Merge branch 'master' of ../jet-contrib
This commit is contained in:
unknown
Generated
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k2js
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|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
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||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function () {
|
||||
{
|
||||
return creatures.v_0(-this.get_x(), -this.get_y());
|
||||
}
|
||||
}, minus$0:function (v) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (koef) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() * koef, this.get_y() * koef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus$0(v).get_sqr());
|
||||
}
|
||||
}, rotatedBy:function (theta) {
|
||||
{
|
||||
var sin = Math.sin(theta);
|
||||
var cos = Math.cos(theta);
|
||||
return creatures.v_0(this.get_x() * cos - this.get_y() * sin, this.get_x() * sin + this.get_y() * cos);
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}, get_normalized:function () {
|
||||
{
|
||||
return this.times(1 / Math.sqrt(this.get_sqr()));
|
||||
}
|
||||
}
|
||||
});
|
||||
var RadialGradientGenerator = Kotlin.Class.create({initialize:function (context) {
|
||||
this.$context = context;
|
||||
this.$gradients = new Kotlin.ArrayList;
|
||||
this.$current = 0;
|
||||
{
|
||||
this.newColorStops([
|
||||
[0, '#F59898'],
|
||||
[0.5, '#F57373'],
|
||||
[1, '#DB6B6B']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0.39, 'rgb(140,167,209)'],
|
||||
[0.7, 'rgb(104,139,209)'],
|
||||
[0.85, 'rgb(67,122,217)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,222,255)'],
|
||||
[0.5, 'rgb(255,185,222)'],
|
||||
[1, 'rgb(230,154,185)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,209,114)'],
|
||||
[0.5, 'rgb(255,174,81)'],
|
||||
[1, 'rgb(241,145,54)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(132,240,135)'],
|
||||
[0.5, 'rgb(91,240,96)'],
|
||||
[1, 'rgb(27,245,41)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(250,147,250)'],
|
||||
[0.5, 'rgb(255,80,255)'],
|
||||
[1, 'rgb(250,0,217)']
|
||||
]);
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_gradients:function () {
|
||||
return this.$gradients;
|
||||
}, get_current:function () {
|
||||
return this.$current;
|
||||
}, set_current:function (tmp$0) {
|
||||
this.$current = tmp$0;
|
||||
}, newColorStops:function (colorStops) {
|
||||
{
|
||||
this.get_gradients().add(colorStops);
|
||||
}
|
||||
}, getNext:function () {
|
||||
{
|
||||
var result = this.get_gradients().get(this.get_current());
|
||||
this.set_current((this.get_current() + 1) % this.get_gradients().size());
|
||||
return result;
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new creatures.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus$0(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus$0(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var newCreature = new creatures.Creature_0(tmp$3.mousePos_0(it), tmp$3);
|
||||
tmp$3.addShape(newCreature);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
setInterval((tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
), this.get_interval());
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, set_width:function (tmp$0) {
|
||||
this.$width = tmp$0;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, set_height:function (tmp$0) {
|
||||
this.$height = tmp$0;
|
||||
}, get_size:function () {
|
||||
{
|
||||
return creatures.v_0(this.get_width(), this.get_height());
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new creatures.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new creatures.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new creatures.Vector_0(e.pageX, e.pageY)).minus$0(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = creatures.reversed(this.get_shapes()).iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
creatures.get_Kotlin().draw(this);
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}, shadowed:function (receiver, shadowOffset, alpha, render) {
|
||||
{
|
||||
receiver.save();
|
||||
receiver.shadowColor = 'rgba(100, 100, 100, ' + alpha + ')';
|
||||
receiver.shadowBlur = 5;
|
||||
receiver.shadowOffsetX = shadowOffset.get_x();
|
||||
receiver.shadowOffsetY = shadowOffset.get_y();
|
||||
render.call(receiver);
|
||||
receiver.restore();
|
||||
}
|
||||
}, fillPath:function (receiver, constructPath) {
|
||||
{
|
||||
receiver.beginPath();
|
||||
constructPath.call(receiver);
|
||||
receiver.closePath();
|
||||
receiver.fill();
|
||||
}
|
||||
}
|
||||
});
|
||||
var Creature = Kotlin.Class.create(Shape, {initialize:function (pos, state) {
|
||||
this.$pos = pos;
|
||||
this.$state = state;
|
||||
this.super_init();
|
||||
this.$shadowOffset = creatures.v_0(-5, 5);
|
||||
this.$colorStops = creatures.get_gradientGenerator().getNext();
|
||||
this.$relSize = 0.05;
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_state:function () {
|
||||
return this.$state;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_colorStops:function () {
|
||||
return this.$colorStops;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_radius:function () {
|
||||
{
|
||||
return this.get_state().get_width() * this.get_relSize();
|
||||
}
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, get_directionToLogo:function () {
|
||||
{
|
||||
return creatures.get_Kotlin().get_centre().minus$0(this.get_position()).get_normalized();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}, circlePath:function (receiver, position, rad) {
|
||||
{
|
||||
receiver.arc(position.get_x(), position.get_y(), rad, 0, 2 * Math.PI, false);
|
||||
}
|
||||
}, fillCircle:function (receiver, position, rad) {
|
||||
{
|
||||
var tmp$0;
|
||||
this.fillPath(receiver, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.circlePath(receiver, position, rad);
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (!this.get_selected()) {
|
||||
this.drawCreature(context);
|
||||
}
|
||||
else {
|
||||
this.drawCreatureWithShadow(context);
|
||||
}
|
||||
}
|
||||
}, drawCreature:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillPath(context, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.tailPath(context);
|
||||
tmp$0.circlePath(this, tmp$0.get_position(), tmp$0.get_radius());
|
||||
}
|
||||
}
|
||||
));
|
||||
this.drawEye(context);
|
||||
}
|
||||
}, getGradient:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
var gradientCentre = this.get_position().plus(this.get_directionToLogo().times(this.get_radius() / 4));
|
||||
var gradient = context.createRadialGradient(gradientCentre.get_x(), gradientCentre.get_y(), 1, gradientCentre.get_x(), gradientCentre.get_y(), 2 * this.get_radius());
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(this.get_colorStops());
|
||||
while (tmp$0.hasNext()) {
|
||||
var colorStop = tmp$0.next();
|
||||
{
|
||||
gradient.addColorStop(colorStop[0], colorStop[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
}, tailPath:function (context) {
|
||||
{
|
||||
var tailDirection = this.get_directionToLogo().minus();
|
||||
var tailPos = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
var tailSize = this.get_radius() * 1.6;
|
||||
var angle = Math.PI / 6;
|
||||
var p1 = tailPos.plus(tailDirection.rotatedBy(angle).times(tailSize));
|
||||
var p2 = tailPos.plus(tailDirection.rotatedBy(-angle).times(tailSize));
|
||||
var middlePoint = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
context.moveTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.lineTo(p1.get_x(), p1.get_y());
|
||||
context.quadraticCurveTo(middlePoint.get_x(), middlePoint.get_y(), p2.get_x(), p2.get_y());
|
||||
context.lineTo(tailPos.get_x(), tailPos.get_y());
|
||||
}
|
||||
}, drawEye:function (context) {
|
||||
{
|
||||
var eyePos = this.get_directionToLogo().times(this.get_radius()).times(0.6).plus(this.get_position());
|
||||
var eyeRadius = this.get_radius() / 3;
|
||||
var eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = '#FFFFFF';
|
||||
this.fillCircle(context, eyePos, eyeRadius);
|
||||
context.fillStyle = '#000000';
|
||||
this.fillCircle(context, eyePos, eyeLidRadius);
|
||||
}
|
||||
}, drawCreatureWithShadow:function (context) {
|
||||
{
|
||||
var tmp$0_0;
|
||||
this.shadowed(context, this.get_shadowOffset(), 0.7, (tmp$0_0 = this , function () {
|
||||
{
|
||||
var tmp$0;
|
||||
context.fillStyle = tmp$0_0.getGradient(context);
|
||||
tmp$0_0.fillPath(this, (tmp$0 = tmp$0_0 , function () {
|
||||
{
|
||||
tmp$0.tailPath(context);
|
||||
tmp$0.circlePath(context, tmp$0.get_position(), tmp$0.get_radius());
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}
|
||||
));
|
||||
this.drawEye(context);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Logo = Kotlin.Class.create(Shape, {initialize:function (pos) {
|
||||
this.$pos = pos;
|
||||
this.super_init();
|
||||
this.$relSize = 0.25;
|
||||
this.$shadowOffset = creatures.v_0(-3, 3);
|
||||
this.$imageSize = creatures.v_0(377, 393);
|
||||
this.$size = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, set_size:function (tmp$0) {
|
||||
this.$size = tmp$0;
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, drawLogo:function (state) {
|
||||
{
|
||||
this.set_size(this.get_imageSize().times(state.get_size().get_x() / this.get_imageSize().get_x()).times(this.get_relSize()));
|
||||
state.get_context().drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_position().get_x(), this.get_position().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (this.get_selected()) {
|
||||
var tmp$0;
|
||||
this.shadowed(context, this.get_shadowOffset(), 0.2, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.drawLogo(state);
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
else {
|
||||
this.drawLogo(state);
|
||||
}
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_size());
|
||||
}
|
||||
}, get_centre:function () {
|
||||
{
|
||||
return this.get_pos().plus(this.get_size().times(0.5));
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, Logo_0:Logo, Creature_0:Creature, RadialGradientGenerator_0:RadialGradientGenerator, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var creatures = Kotlin.Namespace.create({initialize:function () {
|
||||
creatures.$Kotlin = new creatures.Logo_0(creatures.v_0(300, 100));
|
||||
creatures.$gradientGenerator = new creatures.RadialGradientGenerator_0(getContext());
|
||||
}, get_Kotlin:function () {
|
||||
return creatures.$Kotlin;
|
||||
}, get_gradientGenerator:function () {
|
||||
return creatures.$gradientGenerator;
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new creatures.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new creatures.CanvasState_0(getCanvas());
|
||||
state.addShape(creatures.get_Kotlin());
|
||||
state.addShape(new creatures.Creature_0(state.get_size().times(0.25), state));
|
||||
state.addShape(new creatures.Creature_0(state.get_size().times(0.75), state));
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}, reversed:function (receiver) {
|
||||
{
|
||||
var result = new Kotlin.ArrayList;
|
||||
var i = receiver.size();
|
||||
while (i > 0) {
|
||||
result.add(receiver.get(--i));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
creatures.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
creatures.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 6.5 KiB |
@@ -0,0 +1,331 @@
|
||||
/*
|
||||
In this example strange creatures are watching the kotlin logo. You can drag'n'drop them as well as the logo.
|
||||
Doubleclick to add more creatures but be careful. They may be watching you!
|
||||
*/
|
||||
package creatures
|
||||
// importing some of the API defined
|
||||
import jquery.*
|
||||
import html5.*
|
||||
import java.util.ArrayList
|
||||
import js.*
|
||||
import js.Math
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
import java.util.List
|
||||
|
||||
|
||||
abstract class Shape() {
|
||||
|
||||
abstract fun draw(state : CanvasState)
|
||||
// these two abstract methods defines that our shapes can be dragged
|
||||
abstract fun contains(mousePos : Vector) : Boolean
|
||||
abstract var pos : Vector
|
||||
|
||||
var selected : Boolean = false
|
||||
|
||||
// a couple of helper extension methods we'll be using in the derived classes
|
||||
fun Context.shadowed(shadowOffset : Vector, alpha : Double, render : Context.() -> Unit) {
|
||||
save()
|
||||
shadowColor = "rgba(100, 100, 100, $alpha)"
|
||||
shadowBlur = 5.0
|
||||
shadowOffsetX = shadowOffset.x
|
||||
shadowOffsetY = shadowOffset.y
|
||||
render()
|
||||
restore()
|
||||
}
|
||||
|
||||
fun Context.fillPath(constructPath : Context.() -> Unit) {
|
||||
beginPath()
|
||||
constructPath()
|
||||
closePath()
|
||||
fill()
|
||||
}
|
||||
}
|
||||
|
||||
val Kotlin = Logo(v(300.0, 100.0))
|
||||
|
||||
class Logo(override var pos : Vector) : Shape()
|
||||
{
|
||||
val relSize : Double = 0.25
|
||||
val shadowOffset = v(-3.0, 3.0)
|
||||
val imageSize = v(377.0, 393.0)
|
||||
var size : Vector = imageSize * relSize
|
||||
// get-only properties like this saves you lots of typing and are very expressive
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
|
||||
|
||||
fun drawLogo(state : CanvasState) {
|
||||
size = imageSize * (state.size.x / imageSize.x) * relSize
|
||||
// getKotlinLogo() is a 'magic' function here defined only for purposes of demonstration but in fact it just find an element containing the logo
|
||||
state.context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, position.x, position.y, size.x, size.y)
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context
|
||||
if (selected) {
|
||||
// using helper we defined in Shape class
|
||||
context.shadowed(shadowOffset, 0.2) {
|
||||
drawLogo(state)
|
||||
}
|
||||
} else {
|
||||
drawLogo(state)
|
||||
}
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, size)
|
||||
|
||||
val centre : Vector
|
||||
get() = pos + size * 0.5
|
||||
}
|
||||
|
||||
val gradientGenerator = RadialGradientGenerator(getContext())
|
||||
|
||||
class Creature(override var pos : Vector, val state : CanvasState) : Shape() {
|
||||
|
||||
val shadowOffset = v(-5.0, 5.0)
|
||||
val colorStops = gradientGenerator.getNext()
|
||||
val relSize = 0.05
|
||||
// these properties have no backing fields and in java/javascript they could be represented as little helper functions
|
||||
val radius : Double
|
||||
get() = state.width * relSize
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
val directionToLogo : Vector
|
||||
get() = (Kotlin.centre - position).normalized
|
||||
|
||||
//notice how the infix call can make some expressions extremely expressive
|
||||
override fun contains(mousePos : Vector) = pos distanceTo mousePos < radius
|
||||
|
||||
// defining more nice extension functions
|
||||
fun Context.circlePath(position : Vector, rad : Double) {
|
||||
arc(position.x, position.y, rad, 0.0, 2 * Math.PI, false)
|
||||
}
|
||||
|
||||
//notice we can use an extension function we just defined inside another extension function
|
||||
fun Context.fillCircle(position : Vector, rad : Double) {
|
||||
fillPath {
|
||||
circlePath(position, rad)
|
||||
}
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context
|
||||
if (!selected) {
|
||||
drawCreature(context)
|
||||
} else {
|
||||
drawCreatureWithShadow(context)
|
||||
}
|
||||
}
|
||||
|
||||
fun drawCreature(context : Context) {
|
||||
context.fillStyle = getGradient(context)
|
||||
context.fillPath {
|
||||
tailPath(context)
|
||||
circlePath(position, radius)
|
||||
}
|
||||
drawEye(context)
|
||||
}
|
||||
|
||||
fun getGradient(context : Context) : CanvasGradient {
|
||||
val gradientCentre = position + directionToLogo * (radius / 4)
|
||||
val gradient = context.createRadialGradient(gradientCentre.x, gradientCentre.y, 1.0, gradientCentre.x, gradientCentre.y, 2 * radius)
|
||||
for (colorStop in colorStops) {
|
||||
gradient.addColorStop(colorStop._1, colorStop._2)
|
||||
}
|
||||
return gradient
|
||||
}
|
||||
|
||||
fun tailPath(context : Context) {
|
||||
val tailDirection = -directionToLogo
|
||||
val tailPos = position + tailDirection * radius * 1.0
|
||||
val tailSize = radius * 1.6
|
||||
val angle = Math.PI / 6.0
|
||||
val p1 = tailPos + tailDirection.rotatedBy(angle) * tailSize
|
||||
val p2 = tailPos + tailDirection.rotatedBy(-angle) * tailSize
|
||||
val middlePoint = position + tailDirection * radius * 1.0
|
||||
context.moveTo(tailPos.x, tailPos.y)
|
||||
context.lineTo(p1.x, p1.y)
|
||||
context.quadraticCurveTo(middlePoint.x, middlePoint.y, p2.x, p2.y)
|
||||
context.lineTo(tailPos.x, tailPos.y)
|
||||
}
|
||||
|
||||
fun drawEye(context : Context) {
|
||||
val eyePos = directionToLogo * radius * 0.6 + position
|
||||
val eyeRadius = radius / 3
|
||||
val eyeLidRadius = eyeRadius / 2
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillCircle(eyePos, eyeRadius)
|
||||
context.fillStyle = "#000000"
|
||||
context.fillCircle(eyePos, eyeLidRadius)
|
||||
}
|
||||
|
||||
fun drawCreatureWithShadow(context : Context) {
|
||||
context.shadowed(shadowOffset, 0.7) {
|
||||
context.fillStyle = getGradient(context)
|
||||
fillPath {
|
||||
tailPath(context)
|
||||
context.circlePath(position, radius)
|
||||
}
|
||||
}
|
||||
drawEye(context)
|
||||
}
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
var width = canvas.width
|
||||
var height = canvas.height
|
||||
val size : Vector
|
||||
get() = v(width, height)
|
||||
val context = getContext()
|
||||
var valid = false
|
||||
var shapes = ArrayList<Shape>()
|
||||
var selection : Shape? = null
|
||||
var dragOff = Vector()
|
||||
val interval = 1000 / 30
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false
|
||||
selection = null
|
||||
val mousePos = mousePos(it)
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos
|
||||
shape.selected = true
|
||||
selection = shape
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff
|
||||
valid = false
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false
|
||||
}
|
||||
selection = null
|
||||
valid = false
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val newCreature = Creature(mousePos(it), this @CanvasState)
|
||||
addShape(newCreature)
|
||||
valid = false
|
||||
}
|
||||
|
||||
setInterval({
|
||||
draw()
|
||||
}, interval)
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector()
|
||||
var element : DomElement? = canvas
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure()
|
||||
offset += Vector(el.offsetLeft, el.offsetTop)
|
||||
element = el.offsetParent
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape)
|
||||
valid = false
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear()
|
||||
for (shape in shapes.reversed()) {
|
||||
shape.draw(this)
|
||||
}
|
||||
Kotlin.draw(this)
|
||||
valid = true
|
||||
}
|
||||
}
|
||||
|
||||
class RadialGradientGenerator(val context : Context) {
|
||||
val gradients = ArrayList<Array<#(Double, String)>>()
|
||||
var current = 0
|
||||
|
||||
fun newColorStops(vararg colorStops : #(Double, String)) {
|
||||
gradients.add(colorStops)
|
||||
}
|
||||
|
||||
{
|
||||
newColorStops(#(0.0, "#F59898"), #(0.5, "#F57373"), #(1.0, "#DB6B6B"))
|
||||
newColorStops(#(0.39, "rgb(140,167,209)"), #(0.7, "rgb(104,139,209)"), #(0.85, "rgb(67,122,217)"))
|
||||
newColorStops(#(0.0, "rgb(255,222,255)"), #(0.5, "rgb(255,185,222)"), #(1.0, "rgb(230,154,185)"))
|
||||
newColorStops(#(0.0, "rgb(255,209,114)"), #(0.5, "rgb(255,174,81)"), #(1.0, "rgb(241,145,54)"))
|
||||
newColorStops(#(0.0, "rgb(132,240,135)"), #(0.5, "rgb(91,240,96)"), #(1.0, "rgb(27,245,41)"))
|
||||
newColorStops(#(0.0, "rgb(250,147,250)"), #(0.5, "rgb(255,80,255)"), #(1.0, "rgb(250,0,217)"))
|
||||
}
|
||||
|
||||
fun getNext() : Array<#(Double, String)> {
|
||||
val result = gradients.get(current)
|
||||
current = (current + 1) % gradients.size()
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y)
|
||||
|
||||
class Vector(val x : Double = 0.0, val y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y)
|
||||
fun minus() = v(-x, -y)
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y)
|
||||
fun times(koef : Double) = v(x * koef, y * koef)
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr)
|
||||
fun rotatedBy(theta : Double) : Vector {
|
||||
val sin = Math.sin(theta)
|
||||
val cos = Math.cos(theta)
|
||||
return v(x * cos - y * sin, x * sin + y * cos)
|
||||
}
|
||||
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
|
||||
val sqr : Double
|
||||
get() = x * x + y * y
|
||||
val normalized : Vector
|
||||
get() = this * (1.0 / Math.sqrt(sqr))
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas())
|
||||
state.addShape(Kotlin)
|
||||
state.addShape(Creature(state.size * 0.25, state))
|
||||
state.addShape(Creature(state.size * 0.75, state))
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
|
||||
fun <T> List<T>.reversed() : List<T> {
|
||||
val result = ArrayList<T>()
|
||||
var i = size()
|
||||
while (i > 0) {
|
||||
result.add(get(--i))
|
||||
}
|
||||
return result
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
|
||||
|
||||
<canvas width="600" height="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="creatures.js" type="text/javascript"></script>
|
||||
<img src="kotlinlogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,103 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var FancyLines = Kotlin.Class.create({initialize:function () {
|
||||
this.$context = getContext();
|
||||
this.$height = getCanvas().height;
|
||||
this.$width = getCanvas().width;
|
||||
this.$x = this.get_width() * Math.random();
|
||||
this.$y = this.get_height() * Math.random();
|
||||
this.$hue = 0;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, set_x:function (tmp$0) {
|
||||
this.$x = tmp$0;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, set_y:function (tmp$0) {
|
||||
this.$y = tmp$0;
|
||||
}, get_hue:function () {
|
||||
return this.$hue;
|
||||
}, set_hue:function (tmp$0) {
|
||||
this.$hue = tmp$0;
|
||||
}, line:function () {
|
||||
{
|
||||
this.get_context().save();
|
||||
this.get_context().beginPath();
|
||||
this.get_context().lineWidth = 20 * Math.random();
|
||||
this.get_context().moveTo(this.get_x(), this.get_y());
|
||||
this.set_x(this.get_width() * Math.random());
|
||||
this.set_y(this.get_height() * Math.random());
|
||||
this.get_context().bezierCurveTo(this.get_width() * Math.random(), this.get_height() * Math.random(), this.get_width() * Math.random(), this.get_height() * Math.random(), this.get_x(), this.get_y());
|
||||
this.set_hue(this.get_hue() + Math.random() * 10);
|
||||
this.get_context().strokeStyle = 'hsl(' + this.get_hue() + ', 50%, 50%)';
|
||||
this.get_context().shadowColor = 'white';
|
||||
this.get_context().shadowBlur = 10;
|
||||
this.get_context().stroke();
|
||||
this.get_context().restore();
|
||||
}
|
||||
}, blank:function () {
|
||||
{
|
||||
this.get_context().fillStyle = 'rgba(255,255,1,0.1)';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, run:function () {
|
||||
{
|
||||
var tmp$1;
|
||||
var tmp$0;
|
||||
setInterval((tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.line();
|
||||
}
|
||||
}
|
||||
), 40);
|
||||
setInterval((tmp$1 = this , function () {
|
||||
{
|
||||
tmp$1.blank();
|
||||
}
|
||||
}
|
||||
), 100);
|
||||
}
|
||||
}
|
||||
});
|
||||
return {FancyLines_0:FancyLines};
|
||||
}
|
||||
();
|
||||
var fancylines = Kotlin.Namespace.create({initialize:function () {
|
||||
}, main:function () {
|
||||
{
|
||||
$(function () {
|
||||
{
|
||||
(new fancylines.FancyLines_0).run();
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
fancylines.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
fancylines.main(args);
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="fancylines.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,64 @@
|
||||
/*
|
||||
This example is based on example from html5 canvas2D docs:
|
||||
http://www.w3.org/TR/2dcontext/
|
||||
Note that only a subset of the api is supported for now.
|
||||
*/
|
||||
|
||||
package fancylines
|
||||
|
||||
import js.*;
|
||||
import html5.*;
|
||||
import jquery.*;
|
||||
|
||||
fun main() {
|
||||
//jq is a name for JQuery function
|
||||
jq {
|
||||
FancyLines().run();
|
||||
}
|
||||
}
|
||||
|
||||
class FancyLines() {
|
||||
// we use two 'magic' functions here getContext() and getCanvas()
|
||||
val context = getContext();
|
||||
val height = getCanvas().height;
|
||||
val width = getCanvas().width;
|
||||
var x = width * Math.random();
|
||||
var y = height * Math.random();
|
||||
var hue = 0;
|
||||
|
||||
fun line() {
|
||||
context.save();
|
||||
|
||||
context.beginPath();
|
||||
|
||||
context.lineWidth = 20.0 * Math.random();
|
||||
context.moveTo(x, y);
|
||||
|
||||
x = width * Math.random();
|
||||
y = height * Math.random();
|
||||
|
||||
context.bezierCurveTo(width * Math.random(), height * Math.random(),
|
||||
width * Math.random(), height * Math.random(), x, y);
|
||||
|
||||
hue += Math.random() * 10;
|
||||
|
||||
context.strokeStyle = "hsl($hue, 50%, 50%)";
|
||||
|
||||
context.shadowColor = "white";
|
||||
context.shadowBlur = 10.0;
|
||||
|
||||
context.stroke();
|
||||
|
||||
context.restore();
|
||||
}
|
||||
|
||||
fun blank() {
|
||||
context.fillStyle = "rgba(255,255,1,0.1)";
|
||||
context.fillRect(0.0, 0.0, width, height);
|
||||
}
|
||||
|
||||
fun run() {
|
||||
setInterval({line()}, 40);
|
||||
setInterval({blank()}, 100);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,162 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var HelloKotlin = Kotlin.Class.create({initialize:function () {
|
||||
this.$relX = 0.2 + 0.2 * Math.random();
|
||||
this.$relY = 0.4 + 0.2 * Math.random();
|
||||
this.$relXVelocity = this.randomVelocity();
|
||||
this.$relYVelocity = this.randomVelocity();
|
||||
this.$message = 'Hello, Kotlin!';
|
||||
this.$textHeightInPixels = 60;
|
||||
{
|
||||
hello.get_context().font = 'bold ' + this.get_textHeightInPixels() + 'px Georgia, serif';
|
||||
}
|
||||
this.$textWidthInPixels = hello.get_context().measureText(this.get_message()).width;
|
||||
}, get_relX:function () {
|
||||
return this.$relX;
|
||||
}, set_relX:function (tmp$0) {
|
||||
this.$relX = tmp$0;
|
||||
}, get_relY:function () {
|
||||
return this.$relY;
|
||||
}, set_relY:function (tmp$0) {
|
||||
this.$relY = tmp$0;
|
||||
}, get_absX:function () {
|
||||
{
|
||||
return this.get_relX() * hello.get_width();
|
||||
}
|
||||
}, get_absY:function () {
|
||||
{
|
||||
return this.get_relY() * hello.get_height();
|
||||
}
|
||||
}, get_relXVelocity:function () {
|
||||
return this.$relXVelocity;
|
||||
}, set_relXVelocity:function (tmp$0) {
|
||||
this.$relXVelocity = tmp$0;
|
||||
}, get_relYVelocity:function () {
|
||||
return this.$relYVelocity;
|
||||
}, set_relYVelocity:function (tmp$0) {
|
||||
this.$relYVelocity = tmp$0;
|
||||
}, get_message:function () {
|
||||
return this.$message;
|
||||
}, get_textHeightInPixels:function () {
|
||||
return this.$textHeightInPixels;
|
||||
}, get_textWidthInPixels:function () {
|
||||
return this.$textWidthInPixels;
|
||||
}, draw:function () {
|
||||
{
|
||||
hello.get_context().save();
|
||||
this.move();
|
||||
hello.get_context().shadowColor = '#000000';
|
||||
hello.get_context().shadowBlur = 5;
|
||||
hello.get_context().shadowOffsetX = -4;
|
||||
hello.get_context().shadowOffsetY = 4;
|
||||
hello.get_context().fillStyle = 'rgb(242,160,110)';
|
||||
hello.get_context().fillText(this.get_message(), this.get_absX(), this.get_absY());
|
||||
hello.get_context().restore();
|
||||
}
|
||||
}, move:function () {
|
||||
{
|
||||
var relTextWidth = this.get_textWidthInPixels() / hello.get_width();
|
||||
if (this.get_relX() > 1 - relTextWidth - this.get_abs(this.get_relXVelocity()) || this.get_relX() < this.get_abs(this.get_relXVelocity())) {
|
||||
this.set_relXVelocity(this.get_relXVelocity() * -1);
|
||||
}
|
||||
var relTextHeight = this.get_textHeightInPixels() / hello.get_height();
|
||||
if (this.get_relY() > 1 - this.get_abs(this.get_relYVelocity()) || this.get_relY() < this.get_abs(this.get_relYVelocity()) + relTextHeight) {
|
||||
this.set_relYVelocity(this.get_relYVelocity() * -1);
|
||||
}
|
||||
this.set_relX(this.get_relX() + this.get_relXVelocity());
|
||||
this.set_relY(this.get_relY() + this.get_relYVelocity());
|
||||
}
|
||||
}, randomVelocity:function () {
|
||||
var tmp$0;
|
||||
if (Math.random() < 0.5)
|
||||
tmp$0 = 1;
|
||||
else
|
||||
tmp$0 = -1;
|
||||
{
|
||||
return 0.03 * Math.random() * tmp$0;
|
||||
}
|
||||
}, get_abs:function (receiver) {
|
||||
var tmp$0;
|
||||
if (receiver > 0)
|
||||
tmp$0 = receiver;
|
||||
else
|
||||
tmp$0 = -receiver;
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}
|
||||
});
|
||||
return {HelloKotlin_0:HelloKotlin};
|
||||
}
|
||||
();
|
||||
var hello = Kotlin.Namespace.create({initialize:function () {
|
||||
hello.$context = getContext();
|
||||
hello.$height = getCanvas().height;
|
||||
hello.$width = getCanvas().width;
|
||||
}, get_context:function () {
|
||||
return hello.$context;
|
||||
}, get_height:function () {
|
||||
return hello.$height;
|
||||
}, get_width:function () {
|
||||
return hello.$width;
|
||||
}, renderBackground:function () {
|
||||
{
|
||||
hello.get_context().save();
|
||||
hello.get_context().fillStyle = '#5C7EED';
|
||||
hello.get_context().fillRect(0, 0, hello.get_width(), hello.get_height());
|
||||
hello.get_context().restore();
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var interval = 50;
|
||||
var logos = Kotlin.arrayFromFun(3, function (it) {
|
||||
{
|
||||
return new hello.HelloKotlin_0;
|
||||
}
|
||||
}
|
||||
);
|
||||
$(function () {
|
||||
{
|
||||
setInterval(function () {
|
||||
{
|
||||
var tmp$0;
|
||||
hello.renderBackground();
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(logos);
|
||||
while (tmp$0.hasNext()) {
|
||||
var logo = tmp$0.next();
|
||||
{
|
||||
logo.draw();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
, interval);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
hello.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
hello.main(args);
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="hello.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,91 @@
|
||||
/*
|
||||
This example is just simple text floating around. If u are using chrome, there is a bug that spoil the visuals.
|
||||
*/
|
||||
package hello
|
||||
|
||||
import js.*
|
||||
import html5.*
|
||||
import jquery.*
|
||||
|
||||
val context = getContext()
|
||||
val height = getCanvas().height
|
||||
val width = getCanvas().width
|
||||
|
||||
// class representing a floating text
|
||||
class HelloKotlin() {
|
||||
var relX = 0.2 + 0.2 * Math.random()
|
||||
var relY = 0.4 + 0.2 * Math.random()
|
||||
|
||||
val absX : Double
|
||||
get() = (relX * width)
|
||||
val absY : Double
|
||||
get() = (relY * height)
|
||||
|
||||
var relXVelocity = randomVelocity()
|
||||
var relYVelocity = randomVelocity()
|
||||
|
||||
|
||||
val message = "Hello, Kotlin!"
|
||||
val textHeightInPixels = 60
|
||||
{
|
||||
context.font = "bold ${textHeightInPixels}px Georgia, serif"
|
||||
}
|
||||
val textWidthInPixels = context.measureText(message).width
|
||||
|
||||
fun draw() {
|
||||
context.save()
|
||||
move()
|
||||
// if you using chrome chances are good you wont see the shadow
|
||||
context.shadowColor = "#000000"
|
||||
context.shadowBlur = 5.0
|
||||
context.shadowOffsetX = -4.0
|
||||
context.shadowOffsetY = 4.0
|
||||
context.fillStyle = "rgb(242,160,110)"
|
||||
context.fillText(message, absX, absY)
|
||||
context.restore()
|
||||
}
|
||||
|
||||
fun move() {
|
||||
val relTextWidth = textWidthInPixels / width
|
||||
if (relX > (1.0 - relTextWidth - relXVelocity.abs) || relX < relXVelocity.abs) {
|
||||
relXVelocity *= -1
|
||||
}
|
||||
val relTextHeight = textHeightInPixels / height
|
||||
if (relY > (1.0 - relYVelocity.abs) || relY < relYVelocity.abs + relTextHeight) {
|
||||
relYVelocity *= -1
|
||||
}
|
||||
relX += relXVelocity
|
||||
relY += relYVelocity
|
||||
}
|
||||
|
||||
fun randomVelocity() = 0.03 * Math.random() * (if (Math.random() < 0.5) 1 else -1)
|
||||
|
||||
|
||||
val Double.abs : Double
|
||||
get() = if (this > 0) this else -this
|
||||
}
|
||||
|
||||
fun renderBackground() {
|
||||
context.save()
|
||||
context.fillStyle = "#5C7EED"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.restore()
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val interval = 50
|
||||
// we pass a literal that constructs a new HelloKotlin object
|
||||
val logos = Array(3) {
|
||||
HelloKotlin()
|
||||
}
|
||||
jq {
|
||||
setInterval({
|
||||
renderBackground()
|
||||
for (logo in logos) {
|
||||
logo.draw()
|
||||
}
|
||||
}, interval)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,339 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, set_x:function (tmp$0) {
|
||||
this.$x = tmp$0;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, set_y:function (tmp$0) {
|
||||
this.$y = tmp$0;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function (v) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (coef) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() * coef, this.get_y() * coef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus(v).get_sqr());
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new interactive.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
this.$size = 20;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var redTransparentCircle = new interactive.Circle_0(tmp$3.mousePos_0(it), tmp$3.get_size(), 'rgba(200, 100, 100, 0.3)');
|
||||
tmp$3.addShape(redTransparentCircle);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
interactive.doWithPeriod(this.get_interval(), (tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new interactive.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new interactive.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new interactive.Vector_0(e.pageX, e.pageY)).minus(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = this.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}
|
||||
});
|
||||
var JB = Kotlin.Class.create(Shape, {initialize:function (pos, relSize) {
|
||||
this.$pos = pos;
|
||||
this.$relSize = relSize;
|
||||
this.super_init();
|
||||
this.$imageSize = interactive.v_0(704, 254);
|
||||
this.$canvasSize = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, set_relSize:function (tmp$0) {
|
||||
this.$relSize = tmp$0;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_canvasSize:function () {
|
||||
return this.$canvasSize;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_pos().get_x(), this.get_pos().get_y(), this.get_canvasSize().get_x(), this.get_canvasSize().get_y());
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_canvasSize());
|
||||
}
|
||||
}
|
||||
});
|
||||
var Rectangle = Kotlin.Class.create(Shape, {initialize:function (pos, size) {
|
||||
this.$pos = pos;
|
||||
this.$size = size;
|
||||
this.super_init();
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, set_size:function (tmp$0) {
|
||||
this.$size = tmp$0;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.fillStyle = 'rgba(0,255,0,.6)';
|
||||
context.fillRect(this.get_pos().get_x(), this.get_pos().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
if (this.get_selected()) {
|
||||
context.strokeStyle = '#FF0000';
|
||||
context.lineWidth = 2;
|
||||
context.strokeRect(this.get_pos().get_x(), this.get_pos().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
}
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_size());
|
||||
}
|
||||
}
|
||||
});
|
||||
var Circle = Kotlin.Class.create(Shape, {initialize:function (pos, radius, fillColor) {
|
||||
this.$pos = pos;
|
||||
this.$radius = radius;
|
||||
this.$fillColor = fillColor;
|
||||
this.super_init();
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_radius:function () {
|
||||
return this.$radius;
|
||||
}, set_radius:function (tmp$0) {
|
||||
this.$radius = tmp$0;
|
||||
}, get_fillColor:function () {
|
||||
return this.$fillColor;
|
||||
}, set_fillColor:function (tmp$0) {
|
||||
this.$fillColor = tmp$0;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.shadowColor = 'white';
|
||||
context.shadowBlur = 10;
|
||||
context.fillStyle = this.get_fillColor();
|
||||
context.beginPath();
|
||||
context.arc(this.get_pos().get_x(), this.get_pos().get_y(), this.get_radius(), 0, 2 * Math.PI, false);
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, JB_0:JB, Rectangle_0:Rectangle, Circle_0:Circle, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var interactive = Kotlin.Namespace.create({initialize:function () {
|
||||
interactive.$state = new interactive.CanvasState_0(getCanvas());
|
||||
}, get_state:function () {
|
||||
return interactive.$state;
|
||||
}, doWithPeriod:function (period, f) {
|
||||
{
|
||||
setInterval(f, period);
|
||||
}
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new interactive.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new interactive.CanvasState_0(getCanvas());
|
||||
state.addShape(new interactive.JB_0(interactive.v_0(1, 1), 0.3));
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
interactive.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
interactive.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 9.1 KiB |
@@ -0,0 +1,183 @@
|
||||
package interactive;
|
||||
|
||||
import jquery.*;
|
||||
import html5.*;
|
||||
import java.util.ArrayList;
|
||||
import js.*;
|
||||
import js.Math;
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
|
||||
val state = CanvasState(getCanvas());
|
||||
|
||||
fun doWithPeriod(period : Int, f : ()->Unit) {
|
||||
setInterval(f, period);
|
||||
}
|
||||
|
||||
abstract class Shape() {
|
||||
abstract fun draw(state : CanvasState);
|
||||
abstract fun contains(mousePos : Vector) : Boolean;
|
||||
abstract var pos : Vector;
|
||||
var selected : Boolean = false;
|
||||
}
|
||||
|
||||
class Circle(override var pos : Vector,
|
||||
var radius : Double = 1.0,
|
||||
var fillColor : String = "#AAAAAA") : Shape() {
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.shadowColor = "white";
|
||||
context.shadowBlur = 10.0;
|
||||
context.fillStyle = fillColor;
|
||||
context.beginPath();
|
||||
context.arc(pos.x, pos.y, radius, 0.0, 2 * Math.PI, false);
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
|
||||
override fun contains(mousePos : Vector) = pos.distanceTo(mousePos) < radius;
|
||||
}
|
||||
|
||||
class Rectangle(override var pos : Vector,
|
||||
var size : Vector) : Shape()
|
||||
{
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.fillStyle = "rgba(0,255,0,.6)";
|
||||
context.fillRect(pos.x, pos.y, size.x, size.y);
|
||||
if (selected) {
|
||||
context.strokeStyle = "#FF0000"
|
||||
context.lineWidth = 2.0;
|
||||
context.strokeRect(pos.x, pos.y, size.x, size.y)
|
||||
}
|
||||
}
|
||||
|
||||
override fun contains(mousePos : Vector) = mousePos.isInRect(pos, size);
|
||||
}
|
||||
|
||||
class JB(override var pos : Vector,
|
||||
var relSize : Double = 0.3) : Shape()
|
||||
{
|
||||
|
||||
val imageSize = v(704.0, 254.0)
|
||||
val canvasSize = imageSize * relSize
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, pos.x, pos.y, canvasSize.x, canvasSize.y)
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, canvasSize)
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
val width = canvas.width;
|
||||
val height = canvas.height;
|
||||
val context = getContext();
|
||||
var valid = false;
|
||||
var shapes = ArrayList<Shape>();
|
||||
var selection : Shape? = null;
|
||||
var dragOff = Vector();
|
||||
val interval = 1000 / 30;
|
||||
val size = 20.0;
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false;
|
||||
selection = null;
|
||||
val mousePos = mousePos(it);
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos;
|
||||
shape.selected = true;
|
||||
selection = shape;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff;
|
||||
valid = false;
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false;
|
||||
}
|
||||
selection = null;
|
||||
valid = false;
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val redTransparentCircle = Circle(mousePos(it), size, "rgba(200, 100, 100, 0.3)");
|
||||
addShape(redTransparentCircle);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
doWithPeriod(interval) {
|
||||
draw();
|
||||
}
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector();
|
||||
var element : DomElement? = canvas;
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure();
|
||||
offset += Vector(el.offsetLeft, el.offsetTop);
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset;
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0;
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear();
|
||||
for (shape in shapes) {
|
||||
shape.draw(this);
|
||||
}
|
||||
valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y);
|
||||
|
||||
class Vector(var x : Double = 0.0, var y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y);
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y);
|
||||
fun times(coef : Double) = v(x * coef, y * coef);
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr);
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
val sqr : Double
|
||||
get() = x * x + y * y;
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas());
|
||||
state.addShape(JB(v(1.0, 1.0)));
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="interactive.js" type="text/javascript"></script>
|
||||
<img src="jbLogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="tutorial.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,238 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
// By Simon Sarris
|
||||
// www.simonsarris.com
|
||||
// sarris@acm.org
|
||||
//
|
||||
// Last update December 2011
|
||||
//
|
||||
// Free to use and distribute at will
|
||||
// So long as you are nice to people, etc
|
||||
|
||||
// Constructor for Shape objects to hold data for all drawn objects.
|
||||
// For now they will just be defined as rectangles.
|
||||
function Shape(x, y, w, h, fill) {
|
||||
// This is a very simple and unsafe constructor. All we're doing is checking if the values exist.
|
||||
// "x || 0" just means "if there is a value for x, use that. Otherwise use 0."
|
||||
// But we aren't checking anything else! We could put "Lalala" for the value of x
|
||||
this.x = x || 0;
|
||||
this.y = y || 0;
|
||||
this.w = w || 1;
|
||||
this.h = h || 1;
|
||||
this.fill = fill || '#AAAAAA';
|
||||
}
|
||||
|
||||
// Draws this shape to a given context
|
||||
Shape.prototype.draw = function (ctx) {
|
||||
ctx.fillStyle = this.fill;
|
||||
ctx.fillRect(this.x, this.y, this.w, this.h);
|
||||
}
|
||||
|
||||
// Determine if a point is inside the shape's bounds
|
||||
Shape.prototype.contains = function (mx, my) {
|
||||
// All we have to do is make sure the Mouse X,Y fall in the area between
|
||||
// the shape's X and (X + Height) and its Y and (Y + Height)
|
||||
return (this.x <= mx) && (this.x + this.w >= mx) &&
|
||||
(this.y <= my) && (this.y + this.h >= my);
|
||||
}
|
||||
|
||||
function CanvasState(canvas) {
|
||||
// **** First some setup! ****
|
||||
|
||||
this.canvas = canvas;
|
||||
this.width = canvas.width;
|
||||
this.height = canvas.height;
|
||||
this.ctx = canvas.getContext('2d');
|
||||
// This complicates things a little but but fixes mouse co-ordinate problems
|
||||
// when there's a border or padding. See getMouse for more detail
|
||||
// if (document.defaultView && document.defaultView.getComputedStyle) {
|
||||
// this.stylePaddingLeft = parseInt(document.defaultView.getComputedStyle(canvas, null)['paddingLeft'], 10) || 0;
|
||||
// this.stylePaddingTop = parseInt(document.defaultView.getComputedStyle(canvas, null)['paddingTop'], 10) || 0;
|
||||
// this.styleBorderLeft = parseInt(document.defaultView.getComputedStyle(canvas, null)['borderLeftWidth'], 10) || 0;
|
||||
// this.styleBorderTop = parseInt(document.defaultView.getComputedStyle(canvas, null)['borderTopWidth'], 10) || 0;
|
||||
// }
|
||||
// Some pages have fixed-position bars (like the stumbleupon bar) at the top or left of the page
|
||||
// They will mess up mouse coordinates and this fixes that
|
||||
var html = document.body.parentNode;
|
||||
this.htmlTop = html.offsetTop;
|
||||
this.htmlLeft = html.offsetLeft;
|
||||
|
||||
// **** Keep track of state! ****
|
||||
|
||||
this.valid = false; // when set to false, the canvas will redraw everything
|
||||
this.shapes = []; // the collection of things to be drawn
|
||||
this.dragging = false; // Keep track of when we are dragging
|
||||
// the current selected object. In the future we could turn this into an array for multiple selection
|
||||
this.selection = null;
|
||||
this.dragoffx = 0; // See mousedown and mousemove events for explanation
|
||||
this.dragoffy = 0;
|
||||
|
||||
// **** Then events! ****
|
||||
|
||||
// This is an example of a closure!
|
||||
// Right here "this" means the CanvasState. But we are making events on the Canvas itself,
|
||||
// and when the events are fired on the canvas the variable "this" is going to mean the canvas!
|
||||
// Since we still want to use this particular CanvasState in the events we have to save a reference to it.
|
||||
// This is our reference!
|
||||
var myState = this;
|
||||
|
||||
//fixes a problem where double clicking causes text to get selected on the canvas
|
||||
canvas.addEventListener('selectstart', function (e) {
|
||||
e.preventDefault();
|
||||
return false;
|
||||
}, false);
|
||||
// Up, down, and move are for dragging
|
||||
canvas.addEventListener('mousedown', function (e) {
|
||||
var mouse = myState.getMouse(e);
|
||||
var mx = mouse.x;
|
||||
var my = mouse.y;
|
||||
var shapes = myState.shapes;
|
||||
var l = shapes.length;
|
||||
for (var i = l - 1; i >= 0; i--) {
|
||||
if (shapes[i].contains(mx, my)) {
|
||||
var mySel = shapes[i];
|
||||
// Keep track of where in the object we clicked
|
||||
// so we can move it smoothly (see mousemove)
|
||||
myState.dragoffx = mx - mySel.x;
|
||||
myState.dragoffy = my - mySel.y;
|
||||
myState.dragging = true;
|
||||
myState.selection = mySel;
|
||||
myState.valid = false;
|
||||
return;
|
||||
}
|
||||
}
|
||||
// havent returned means we have failed to select anything.
|
||||
// If there was an object selected, we deselect it
|
||||
if (myState.selection) {
|
||||
myState.selection = null;
|
||||
myState.valid = false; // Need to clear the old selection border
|
||||
}
|
||||
}, true);
|
||||
canvas.addEventListener('mousemove', function (e) {
|
||||
if (myState.dragging) {
|
||||
var mouse = myState.getMouse(e);
|
||||
// We don't want to drag the object by its top-left corner, we want to drag it
|
||||
// from where we clicked. Thats why we saved the offset and use it here
|
||||
myState.selection.x = mouse.x - myState.dragoffx;
|
||||
myState.selection.y = mouse.y - myState.dragoffy;
|
||||
myState.valid = false; // Something's dragging so we must redraw
|
||||
}
|
||||
}, true);
|
||||
canvas.addEventListener('mouseup', function (e) {
|
||||
myState.dragging = false;
|
||||
}, true);
|
||||
// double click for making new shapes
|
||||
canvas.addEventListener('dblclick', function (e) {
|
||||
var mouse = myState.getMouse(e);
|
||||
myState.addShape(new Shape(mouse.x - 10, mouse.y - 10, 20, 20, 'rgba(0,255,0,.6)'));
|
||||
}, true);
|
||||
|
||||
// **** Options! ****
|
||||
|
||||
this.selectionColor = '#CC0000';
|
||||
this.selectionWidth = 2;
|
||||
this.interval = 30;
|
||||
setInterval(function () {
|
||||
myState.draw();
|
||||
}, myState.interval);
|
||||
}
|
||||
|
||||
CanvasState.prototype.addShape = function (shape) {
|
||||
this.shapes.push(shape);
|
||||
this.valid = false;
|
||||
}
|
||||
|
||||
CanvasState.prototype.clear = function () {
|
||||
this.ctx.clearRect(0, 0, this.width, this.height);
|
||||
}
|
||||
|
||||
// While draw is called as often as the INTERVAL variable demands,
|
||||
// It only ever does something if the canvas gets invalidated by our code
|
||||
CanvasState.prototype.draw = function () {
|
||||
// if our state is invalid, redraw and validate!
|
||||
if (!this.valid) {
|
||||
var ctx = this.ctx;
|
||||
var shapes = this.shapes;
|
||||
this.clear();
|
||||
|
||||
// ** Add stuff you want drawn in the background all the time here **
|
||||
|
||||
// draw all shapes
|
||||
var l = shapes.length;
|
||||
for (var i = 0; i < l; i++) {
|
||||
var shape = shapes[i];
|
||||
// We can skip the drawing of elements that have moved off the screen:
|
||||
if (shape.x > this.width || shape.y > this.height ||
|
||||
shape.x + shape.w < 0 || shape.y + shape.h < 0) continue;
|
||||
shapes[i].draw(ctx);
|
||||
}
|
||||
|
||||
// draw selection
|
||||
// right now this is just a stroke along the edge of the selected Shape
|
||||
if (this.selection != null) {
|
||||
ctx.strokeStyle = this.selectionColor;
|
||||
ctx.lineWidth = this.selectionWidth;
|
||||
var mySel = this.selection;
|
||||
ctx.strokeRect(mySel.x, mySel.y, mySel.w, mySel.h);
|
||||
}
|
||||
|
||||
// ** Add stuff you want drawn on top all the time here **
|
||||
|
||||
this.valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Creates an object with x and y defined, set to the mouse position relative to the state's canvas
|
||||
// If you wanna be super-correct this can be tricky, we have to worry about padding and borders
|
||||
CanvasState.prototype.getMouse = function (e) {
|
||||
var element = this.canvas, offsetX = 0, offsetY = 0, mx, my;
|
||||
|
||||
// Compute the total offset
|
||||
if (element.offsetParent !== undefined) {
|
||||
do {
|
||||
offsetX += element.offsetLeft;
|
||||
offsetY += element.offsetTop;
|
||||
} while ((element = element.offsetParent));
|
||||
}
|
||||
|
||||
// Add padding and border style widths to offset
|
||||
// Also add the <html> offsets in case there's a position:fixed bar
|
||||
// offsetX += this.stylePaddingLeft + this.styleBorderLeft + this.htmlLeft;
|
||||
// offsetY += this.stylePaddingTop + this.styleBorderTop + this.htmlTop;
|
||||
|
||||
mx = e.pageX - offsetX;
|
||||
my = e.pageY - offsetY;
|
||||
|
||||
// We return a simple javascript object (a hash) with x and y defined
|
||||
return {x:mx, y:my};
|
||||
}
|
||||
|
||||
// If you dont want to use <body onLoad='init()'>
|
||||
// You could uncomment this init() reference and place the script reference inside the body tag
|
||||
init();
|
||||
|
||||
function init() {
|
||||
var s = new CanvasState(getCanvas());
|
||||
s.addShape(new Shape(40, 40, 50, 50)); // The default is gray
|
||||
s.addShape(new Shape(60, 140, 40, 60, 'lightskyblue'));
|
||||
// Lets make some partially transparent
|
||||
s.addShape(new Shape(80, 150, 60, 30, 'rgba(127, 255, 212, .5)'));
|
||||
s.addShape(new Shape(125, 80, 30, 80, 'rgba(245, 222, 179, .7)'));
|
||||
}
|
||||
|
||||
// Now go make something amazing!
|
||||
@@ -0,0 +1,475 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function () {
|
||||
{
|
||||
return interactive2.v_0(-this.get_x(), -this.get_y());
|
||||
}
|
||||
}, minus$0:function (v) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (coef) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() * coef, this.get_y() * coef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus$0(v).get_sqr());
|
||||
}
|
||||
}, rotatedBy:function (theta) {
|
||||
{
|
||||
var sin = Math.sin(theta);
|
||||
var cos = Math.cos(theta);
|
||||
return interactive2.v_0(this.get_x() * cos - this.get_y() * sin, this.get_x() * sin + this.get_y() * cos);
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}, get_normalized:function () {
|
||||
{
|
||||
return this.times(1 / Math.sqrt(this.get_sqr()));
|
||||
}
|
||||
}
|
||||
});
|
||||
var RadialGradientGenerator = Kotlin.Class.create({initialize:function (context) {
|
||||
this.$context = context;
|
||||
this.$gradients = new Kotlin.ArrayList;
|
||||
this.$current = 0;
|
||||
{
|
||||
this.newColorStops([
|
||||
[0, '#F59898'],
|
||||
[0.5, '#F57373'],
|
||||
[1, '#DB6B6B']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0.39, 'rgb(140,167,209)'],
|
||||
[0.7, 'rgb(104,139,209)'],
|
||||
[0.85, 'rgb(67,122,217)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,222,255)'],
|
||||
[0.5, 'rgb(255,185,222)'],
|
||||
[1, 'rgb(230,154,185)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,209,114)'],
|
||||
[0.5, 'rgb(255,174,81)'],
|
||||
[1, 'rgb(241,145,54)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(132,240,135)'],
|
||||
[0.5, 'rgb(91,240,96)'],
|
||||
[1, 'rgb(27,245,41)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(250,147,250)'],
|
||||
[0.5, 'rgb(255,80,255)'],
|
||||
[1, 'rgb(250,0,217)']
|
||||
]);
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_gradients:function () {
|
||||
return this.$gradients;
|
||||
}, get_current:function () {
|
||||
return this.$current;
|
||||
}, set_current:function (tmp$0) {
|
||||
this.$current = tmp$0;
|
||||
}, newColorStops:function (colorStops) {
|
||||
{
|
||||
this.get_gradients().add(colorStops);
|
||||
}
|
||||
}, getNext:function () {
|
||||
{
|
||||
var result = this.get_gradients().get(this.get_current());
|
||||
this.set_current((this.get_current() + 1) % this.get_gradients().size());
|
||||
return result;
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new interactive2.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus$0(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus$0(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var redTransparentCircle = new interactive2.Creature_0(tmp$3.mousePos_0(it), tmp$3);
|
||||
tmp$3.addShape(redTransparentCircle);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
interactive2.doWithPeriod(this.get_interval(), (tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new interactive2.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new interactive2.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new interactive2.Vector_0(e.pageX, e.pageY)).minus$0(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = this.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}
|
||||
});
|
||||
var Creature = Kotlin.Class.create(Shape, {initialize:function (pos, state) {
|
||||
this.$pos = pos;
|
||||
this.$state = state;
|
||||
this.super_init();
|
||||
this.$shadowOffset = interactive2.v_0(-5, 5);
|
||||
this.$colorStops = interactive2.get_gradientGenerator().getNext();
|
||||
this.$relSize = 0.05;
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_state:function () {
|
||||
return this.$state;
|
||||
}, set_state:function (tmp$0) {
|
||||
this.$state = tmp$0;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_colorStops:function () {
|
||||
return this.$colorStops;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_radius:function () {
|
||||
{
|
||||
return this.get_state().get_width() * this.get_relSize();
|
||||
}
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, get_directionToLogo:function () {
|
||||
{
|
||||
return interactive2.get_JB().get_centre().minus$0(this.get_position()).get_normalized();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}, fillCircle:function (receiver, position, rad) {
|
||||
{
|
||||
receiver.beginPath();
|
||||
receiver.arc(position.get_x(), position.get_y(), rad, 0, 2 * Math.PI, false);
|
||||
receiver.closePath();
|
||||
receiver.fill();
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (!this.get_selected()) {
|
||||
this.drawCreature(context);
|
||||
}
|
||||
else {
|
||||
this.drawCreatureWithShadow(context);
|
||||
}
|
||||
}
|
||||
}, drawCreature:function (context) {
|
||||
{
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillCircle(context, this.get_position(), this.get_radius());
|
||||
this.drawEye(context);
|
||||
this.drawTail(context);
|
||||
}
|
||||
}, getGradient:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
var gradientCentre = this.get_position().plus(this.get_directionToLogo().times(this.get_radius() / 4));
|
||||
var gradient = context.createRadialGradient(gradientCentre.get_x(), gradientCentre.get_y(), 1, gradientCentre.get_x(), gradientCentre.get_y(), 2 * this.get_radius());
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(this.get_colorStops());
|
||||
while (tmp$0.hasNext()) {
|
||||
var colorStop = tmp$0.next();
|
||||
{
|
||||
gradient.addColorStop(colorStop[0], colorStop[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
}, drawTail:function (context) {
|
||||
{
|
||||
var tailDirection = this.get_directionToLogo().minus();
|
||||
var tailPos = this.get_position().plus(tailDirection.times(this.get_radius()).times(0.7));
|
||||
var tailSize = this.get_radius() * 1.6;
|
||||
var angle = Math.PI / 6;
|
||||
var p1 = tailPos.plus(tailDirection.rotatedBy(angle).times(tailSize));
|
||||
var p2 = tailPos.plus(tailDirection.rotatedBy(-angle).times(tailSize));
|
||||
context.fillStyle = this.getGradient(context);
|
||||
context.beginPath();
|
||||
context.moveTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.lineTo(p1.get_x(), p1.get_y());
|
||||
var middlePoint = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
context.quadraticCurveTo(middlePoint.get_x(), middlePoint.get_y(), p2.get_x(), p2.get_y());
|
||||
context.lineTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
}, drawEye:function (context) {
|
||||
{
|
||||
var eyePos = this.get_directionToLogo().times(this.get_radius()).times(0.6).plus(this.get_position());
|
||||
var eyeRadius = this.get_radius() / 3;
|
||||
var eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = '#FFFFFF';
|
||||
this.fillCircle(context, eyePos, eyeRadius);
|
||||
context.fillStyle = '#000000';
|
||||
this.fillCircle(context, eyePos, eyeLidRadius);
|
||||
}
|
||||
}, drawCreatureWithShadow:function (context) {
|
||||
{
|
||||
context.save();
|
||||
this.setShadow(context);
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillCircle(context, this.get_position(), this.get_radius());
|
||||
context.restore();
|
||||
this.drawEye(context);
|
||||
this.drawTail(context);
|
||||
}
|
||||
}, setShadow:function (context) {
|
||||
{
|
||||
context.shadowColor = 'rgba(100, 100, 100, 0.7)';
|
||||
context.shadowBlur = 5;
|
||||
context.shadowOffsetX = this.get_shadowOffset().get_x();
|
||||
context.shadowOffsetY = this.get_shadowOffset().get_y();
|
||||
}
|
||||
}
|
||||
});
|
||||
var Logo = Kotlin.Class.create(Shape, {initialize:function (pos, relSize) {
|
||||
this.$pos = pos;
|
||||
this.$relSize = relSize;
|
||||
this.super_init();
|
||||
this.$imageSize = interactive2.v_0(704, 254);
|
||||
this.$canvasSize = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, set_relSize:function (tmp$0) {
|
||||
this.$relSize = tmp$0;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_canvasSize:function () {
|
||||
return this.$canvasSize;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_pos().get_x(), this.get_pos().get_y(), this.get_canvasSize().get_x(), this.get_canvasSize().get_y());
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_canvasSize());
|
||||
}
|
||||
}, get_centre:function () {
|
||||
{
|
||||
return this.get_pos().plus(this.get_canvasSize().times(0.5));
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, Logo_0:Logo, Creature_0:Creature, RadialGradientGenerator_0:RadialGradientGenerator, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var interactive2 = Kotlin.Namespace.create({initialize:function () {
|
||||
interactive2.$gradientGenerator = new interactive2.RadialGradientGenerator_0(getContext());
|
||||
interactive2.$JB = new interactive2.Logo_0(interactive2.v_0(20, 20), 0.3);
|
||||
}, get_gradientGenerator:function () {
|
||||
return interactive2.$gradientGenerator;
|
||||
}, get_JB:function () {
|
||||
return interactive2.$JB;
|
||||
}, doWithPeriod:function (period, f) {
|
||||
{
|
||||
setInterval(f, period);
|
||||
}
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new interactive2.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new interactive2.CanvasState_0(getCanvas());
|
||||
state.addShape(interactive2.get_JB());
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
interactive2.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
interactive2.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 9.1 KiB |
@@ -0,0 +1,280 @@
|
||||
package interactive2;
|
||||
|
||||
import jquery.*;
|
||||
import html5.*;
|
||||
import java.util.ArrayList;
|
||||
import js.*;
|
||||
import js.Math;
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
|
||||
val gradientGenerator = RadialGradientGenerator(getContext())
|
||||
val JB = Logo(v(20.0, 20.0))
|
||||
|
||||
fun doWithPeriod(period : Int, f : ()->Unit) {
|
||||
setInterval(f, period);
|
||||
}
|
||||
|
||||
abstract class Shape() {
|
||||
abstract fun draw(state : CanvasState);
|
||||
abstract fun contains(mousePos : Vector) : Boolean;
|
||||
abstract var pos : Vector;
|
||||
var selected : Boolean = false;
|
||||
}
|
||||
|
||||
class Logo(override var pos : Vector,
|
||||
var relSize : Double = 0.3)
|
||||
: Shape()
|
||||
{
|
||||
val imageSize = v(704.0, 254.0)
|
||||
val canvasSize = imageSize * relSize
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, pos.x, pos.y, canvasSize.x, canvasSize.y)
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, canvasSize)
|
||||
|
||||
val centre : Vector
|
||||
get() = pos + canvasSize * 0.5
|
||||
}
|
||||
|
||||
class Creature(override var pos : Vector,
|
||||
var state : CanvasState) : Shape() {
|
||||
|
||||
val shadowOffset = v(-5.0, 5.0)
|
||||
val colorStops = gradientGenerator.getNext()
|
||||
val relSize = 0.05;
|
||||
val radius : Double
|
||||
get() = state.width * relSize;
|
||||
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
|
||||
val directionToLogo : Vector
|
||||
get() = (JB.centre - position).normalized
|
||||
|
||||
override fun contains(mousePos : Vector) = pos.distanceTo(mousePos) < radius;
|
||||
|
||||
fun Context.fillCircle(position : Vector, rad : Double) {
|
||||
beginPath();
|
||||
arc(position.x, position.y, rad, 0.0, 2 * Math.PI, false);
|
||||
closePath();
|
||||
fill()
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
if (!selected) {
|
||||
drawCreature(context)
|
||||
} else {
|
||||
drawCreatureWithShadow(context)
|
||||
}
|
||||
}
|
||||
|
||||
fun drawCreature(context : Context) {
|
||||
context.fillStyle = getGradient(context);
|
||||
context.fillCircle(position, radius)
|
||||
drawEye(context)
|
||||
drawTail(context)
|
||||
}
|
||||
|
||||
fun getGradient(context : Context) : CanvasGradient {
|
||||
val gradientCentre = position + directionToLogo * (radius / 4)
|
||||
val gradient = context.createRadialGradient(gradientCentre.x, gradientCentre.y, 1.0, gradientCentre.x, gradientCentre.y, 2 * radius)
|
||||
for (colorStop in colorStops) {
|
||||
gradient.addColorStop(colorStop._1, colorStop._2)
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
|
||||
fun drawTail(context : Context) {
|
||||
val tailDirection = -directionToLogo;
|
||||
val tailPos = position + tailDirection * radius * 0.7
|
||||
val tailSize = radius * 1.6
|
||||
val angle = Math.PI / 6.0;
|
||||
val p1 = tailPos + tailDirection.rotatedBy(angle) * tailSize
|
||||
val p2 = tailPos + tailDirection.rotatedBy(-angle) * tailSize
|
||||
context.fillStyle = getGradient(context)
|
||||
context.beginPath()
|
||||
context.moveTo(tailPos.x, tailPos.y)
|
||||
context.lineTo(p1.x, p1.y)
|
||||
val middlePoint = position + tailDirection * radius * 1.0
|
||||
context.quadraticCurveTo(middlePoint.x, middlePoint.y, p2.x, p2.y)
|
||||
context.lineTo(tailPos.x, tailPos.y)
|
||||
context.closePath()
|
||||
context.fill()
|
||||
}
|
||||
|
||||
fun drawEye(context : Context) {;
|
||||
val eyePos = directionToLogo * radius * 0.6 + position;
|
||||
val eyeRadius = radius / 3;
|
||||
val eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = "#FFFFFF";
|
||||
context.fillCircle(eyePos, eyeRadius)
|
||||
context.fillStyle = "#000000"
|
||||
context.fillCircle(eyePos, eyeLidRadius)
|
||||
}
|
||||
|
||||
fun drawCreatureWithShadow(context : Context) {
|
||||
context.save()
|
||||
setShadow(context)
|
||||
context.fillStyle = getGradient(context)
|
||||
context.fillCircle(position, radius)
|
||||
context.restore();
|
||||
drawEye(context)
|
||||
drawTail(context)
|
||||
}
|
||||
|
||||
fun setShadow(context : Context) {
|
||||
context.shadowColor = "rgba(100, 100, 100, 0.7)";
|
||||
context.shadowBlur = 5.0;
|
||||
context.shadowOffsetX = shadowOffset.x;
|
||||
context.shadowOffsetY = shadowOffset.y;
|
||||
}
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
val width = canvas.width;
|
||||
val height = canvas.height;
|
||||
val context = getContext();
|
||||
var valid = false;
|
||||
var shapes = ArrayList<Shape>();
|
||||
var selection : Shape? = null;
|
||||
var dragOff = Vector();
|
||||
val interval = 1000 / 30;
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false;
|
||||
selection = null;
|
||||
val mousePos = mousePos(it);
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos;
|
||||
shape.selected = true;
|
||||
selection = shape;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff;
|
||||
valid = false;
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false;
|
||||
}
|
||||
selection = null;
|
||||
valid = false;
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val redTransparentCircle = Creature(mousePos(it), this @CanvasState);
|
||||
addShape(redTransparentCircle);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
doWithPeriod(interval) {
|
||||
draw();
|
||||
}
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector();
|
||||
var element : DomElement? = canvas;
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure();
|
||||
offset += Vector(el.offsetLeft, el.offsetTop);
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset;
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0;
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear();
|
||||
for (shape in shapes) {
|
||||
shape.draw(this);
|
||||
}
|
||||
valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
class RadialGradientGenerator(val context : Context) {
|
||||
val gradients = ArrayList<Array<#(Double, String)>>();
|
||||
var current = 0
|
||||
|
||||
fun newColorStops(vararg colorStops : #(Double, String)) {
|
||||
gradients.add(colorStops)
|
||||
}
|
||||
|
||||
{
|
||||
newColorStops(#(0.0, "#F59898"), #(0.5, "#F57373"), #(1.0, "#DB6B6B"))
|
||||
newColorStops(#(0.39, "rgb(140,167,209)"), #(0.7, "rgb(104,139,209)"), #(0.85, "rgb(67,122,217)"))
|
||||
newColorStops(#(0.0, "rgb(255,222,255)"), #(0.5, "rgb(255,185,222)"), #(1.0, "rgb(230,154,185)"))
|
||||
newColorStops(#(0.0, "rgb(255,209,114)"), #(0.5, "rgb(255,174,81)"), #(1.0, "rgb(241,145,54)"))
|
||||
newColorStops(#(0.0, "rgb(132,240,135)"), #(0.5, "rgb(91,240,96)"), #(1.0, "rgb(27,245,41)"))
|
||||
newColorStops(#(0.0, "rgb(250,147,250)"), #(0.5, "rgb(255,80,255)"), #(1.0, "rgb(250,0,217)"))
|
||||
}
|
||||
|
||||
fun getNext() : Array<#(Double, String)> {
|
||||
val result = gradients.get(current)
|
||||
current = (current + 1) % gradients.size()
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y);
|
||||
|
||||
class Vector(val x : Double = 0.0, val y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y);
|
||||
fun minus() = v(-x, -y)
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y)
|
||||
fun times(coef : Double) = v(x * coef, y * coef)
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr)
|
||||
fun rotatedBy(theta : Double) : Vector {
|
||||
val sin = Math.sin(theta)
|
||||
val cos = Math.cos(theta)
|
||||
return v(x * cos - y * sin, x * sin + y * cos)
|
||||
}
|
||||
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
|
||||
val sqr : Double
|
||||
get() = x * x + y * y
|
||||
val normalized : Vector
|
||||
get() = this * (1.0 / Math.sqrt(sqr))
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas());
|
||||
state.addShape(JB);
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="interactive2.js" type="text/javascript"></script>
|
||||
<img src="jbLogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,8 @@
|
||||
# Below is a list of people and organizations that have contributed
|
||||
# to the Dart project. Names should be added to the list like so:
|
||||
#
|
||||
# Name/Organization <email address>
|
||||
|
||||
Google Inc.
|
||||
|
||||
Ola Martin Bini <ola.bini@gmail.com>
|
||||
+48
@@ -0,0 +1,48 @@
|
||||
This license applies to all parts of Dart that are not externally
|
||||
maintained libraries. The external maintained libraries used by
|
||||
Dart are:
|
||||
|
||||
JSCRE - in runtime/third_party/jscre
|
||||
Ant - in third_party/apache_ant
|
||||
Google App Engine for Java SDK - in third_party/appengine-java-sdk
|
||||
args4j - in third_party/args4j
|
||||
Chrome SDK - in third_party/chromesdk
|
||||
Eclipse - in third_party/eclipse
|
||||
gsutil = in third_party/gsutil
|
||||
Guava - in third_party/guava
|
||||
hamcrest - in third_party/hamcrest
|
||||
Httplib2 - in third_party/httplib2
|
||||
Jetty - in third_party/jetty
|
||||
JSON - in third_party/json
|
||||
JUnit - in third_party/junit
|
||||
Ouath - in third_party/oauth2client
|
||||
Python-scss - in third_party/pyscss
|
||||
Rhino - in third_party/rhino
|
||||
|
||||
The libraries may have their own licenses; we recommend you read them,
|
||||
as their terms may differ from the terms below.
|
||||
|
||||
Copyright 2011, the Dart project authors. All rights reserved.
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the following
|
||||
disclaimer in the documentation and/or other materials provided
|
||||
with the distribution.
|
||||
* Neither the name of Google Inc. nor the names of its
|
||||
contributors may be used to endorse or promote products derived
|
||||
from this software without specific prior written permission.
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
Additional IP Rights Grant (Patents)
|
||||
|
||||
"This implementation" means the copyrightable works distributed by
|
||||
Google as part of the Dart Project.
|
||||
|
||||
Google hereby grants to you a perpetual, worldwide, non-exclusive,
|
||||
no-charge, royalty-free, irrevocable (except as stated in this
|
||||
section) patent license to make, have made, use, offer to sell, sell,
|
||||
import, transfer, and otherwise run, modify and propagate the contents
|
||||
of this implementation of Dart, where such license applies only to
|
||||
those patent claims, both currently owned by Google and acquired in
|
||||
the future, licensable by Google that are necessarily infringed by
|
||||
this implementation of Dart. This grant does not include claims that
|
||||
would be infringed only as a consequence of further modification of
|
||||
this implementation. If you or your agent or exclusive licensee
|
||||
institute or order or agree to the institution of patent litigation
|
||||
against any entity (including a cross-claim or counterclaim in a
|
||||
lawsuit) alleging that this implementation of Dart or any code
|
||||
incorporated within this implementation of Dart constitutes direct or
|
||||
contributory patent infringement, or inducement of patent
|
||||
infringement, then any patent rights granted to you under this License
|
||||
for this implementation of Dart shall terminate as of the date such
|
||||
litigation is filed.
|
||||
@@ -0,0 +1,13 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="JAVA_MODULE" version="4">
|
||||
<component name="NewModuleRootManager" inherit-compiler-output="true">
|
||||
<exclude-output />
|
||||
<content url="file://$MODULE_DIR$">
|
||||
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||
</content>
|
||||
<orderEntry type="jdk" jdkName="1.6" jdkType="JavaSDK" />
|
||||
<orderEntry type="sourceFolder" forTests="false" />
|
||||
<orderEntry type="library" name="guava-10.0.1" level="application" />
|
||||
</component>
|
||||
</module>
|
||||
|
||||
@@ -0,0 +1,15 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler;
|
||||
|
||||
/**
|
||||
* Exception thrown when the compiler encounters an unexpected internal error.
|
||||
*/
|
||||
public class InternalCompilerException extends RuntimeException {
|
||||
|
||||
public InternalCompilerException(String message) {
|
||||
super(message);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.Reader;
|
||||
import java.net.URI;
|
||||
|
||||
/**
|
||||
* Abstract interface to a source file.
|
||||
*/
|
||||
public interface Source {
|
||||
|
||||
/**
|
||||
* Determines whether the given source exists.
|
||||
*/
|
||||
boolean exists();
|
||||
|
||||
/**
|
||||
* Returns the last-modified timestamp for this source, using the same units as
|
||||
* {@link java.util.Date#getTime()}.
|
||||
*/
|
||||
long getLastModified();
|
||||
|
||||
/**
|
||||
* Gets the name of this source.
|
||||
*/
|
||||
String getName();
|
||||
|
||||
/**
|
||||
* Gets a reader for the dart file's source code. The caller is responsible for closing the
|
||||
* returned reader.
|
||||
*/
|
||||
Reader getSourceReader() throws IOException;
|
||||
|
||||
/**
|
||||
* Gets the identifier for this source. This is used to uniquely identify the
|
||||
* source, but should not be used to obtain the source content. Use
|
||||
* {@link #getSourceReader()} to obtain the source content.
|
||||
*/
|
||||
URI getUri();
|
||||
}
|
||||
@@ -0,0 +1,232 @@
|
||||
// Copyright 2011, the Dart project authors. All rights reserved.
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are
|
||||
// met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above
|
||||
// copyright notice, this list of conditions and the following
|
||||
// disclaimer in the documentation and/or other materials provided
|
||||
// with the distribution.
|
||||
// * Neither the name of Google Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived
|
||||
// from this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.InternalCompilerException;
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Stack;
|
||||
|
||||
/**
|
||||
* Implements actual cloning logic. We rely on the JsExpressions to provide
|
||||
* traversal logic. The {@link #stack} field is used to accumulate
|
||||
* already-cloned JsExpression instances. One gotcha that falls out of this is
|
||||
* that argument lists are on the stack in reverse order, so lists should be
|
||||
* constructed via inserts, rather than appends.
|
||||
*/
|
||||
public class Cloner extends JsVisitor {
|
||||
protected final Stack<JsExpression> stack = new Stack<JsExpression>();
|
||||
private boolean successful = true;
|
||||
|
||||
/**
|
||||
* @param expression
|
||||
* @return Return a clone of the expression tree
|
||||
*/
|
||||
public static JsExpression clone(JsExpression expression) {
|
||||
Cloner c = new Cloner();
|
||||
c.accept(expression);
|
||||
return c.getExpression();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsArrayAccess x, JsContext ctx) {
|
||||
JsArrayAccess newExpression = new JsArrayAccess();
|
||||
newExpression.setIndexExpr(stack.pop());
|
||||
newExpression.setArrayExpr(stack.pop());
|
||||
stack.push(newExpression);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsArrayLiteral x, JsContext ctx) {
|
||||
JsArrayLiteral toReturn = new JsArrayLiteral();
|
||||
List<JsExpression> expressions = toReturn.getExpressions();
|
||||
int size = x.getExpressions().size();
|
||||
while (size-- > 0) {
|
||||
expressions.add(0, stack.pop());
|
||||
}
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsBinaryOperation x, JsContext ctx) {
|
||||
JsBinaryOperation toReturn = new JsBinaryOperation(x.getOperator());
|
||||
toReturn.setArg2(stack.pop());
|
||||
toReturn.setArg1(stack.pop());
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsBooleanLiteral x, JsContext ctx) {
|
||||
stack.push(x);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsConditional x, JsContext ctx) {
|
||||
JsConditional toReturn = new JsConditional();
|
||||
toReturn.setElseExpression(stack.pop());
|
||||
toReturn.setThenExpression(stack.pop());
|
||||
toReturn.setTestExpression(stack.pop());
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
/**
|
||||
* The only functions that would get be visited are those being used as
|
||||
* first-class objects.
|
||||
*/
|
||||
@Override
|
||||
public void endVisit(JsFunction x, JsContext ctx) {
|
||||
// Set a flag to indicate that we cannot continue, and push a null so
|
||||
// we don't run out of elements on the stack.
|
||||
successful = false;
|
||||
stack.push(null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Cloning the invocation allows us to modify it without damaging other call
|
||||
* sites.
|
||||
*/
|
||||
@Override
|
||||
public void endVisit(JsInvocation x, JsContext ctx) {
|
||||
JsInvocation toReturn = new JsInvocation();
|
||||
List<JsExpression> params = toReturn.getArguments();
|
||||
int size = x.getArguments().size();
|
||||
while (size-- > 0) {
|
||||
params.add(0, stack.pop());
|
||||
}
|
||||
toReturn.setQualifier(stack.pop());
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
/**
|
||||
* Do a deep clone of a JsNameRef. Because JsNameRef chains are shared
|
||||
* throughout the AST, you can't just go and change their qualifiers when
|
||||
* re-writing an invocation.
|
||||
*/
|
||||
@Override
|
||||
public void endVisit(JsNameRef x, JsContext ctx) {
|
||||
JsNameRef toReturn;
|
||||
JsName name = x.getName();
|
||||
if (name != null) {
|
||||
toReturn = new JsNameRef(name);
|
||||
} else {
|
||||
toReturn = new JsNameRef(x.getIdent());
|
||||
}
|
||||
|
||||
if (x.getQualifier() != null) {
|
||||
toReturn.setQualifier(stack.pop());
|
||||
}
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsNew x, JsContext ctx) {
|
||||
int size = x.getArguments().size();
|
||||
List<JsExpression> arguments = new ArrayList<JsExpression>(size);
|
||||
while (size-- > 0) {
|
||||
arguments.add(0, stack.pop());
|
||||
}
|
||||
JsNew toReturn = new JsNew(stack.pop());
|
||||
toReturn.getArguments().addAll(arguments);
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsNullLiteral x, JsContext ctx) {
|
||||
stack.push(x);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsNumberLiteral x, JsContext ctx) {
|
||||
stack.push(x);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsObjectLiteral x, JsContext ctx) {
|
||||
JsObjectLiteral toReturn = new JsObjectLiteral();
|
||||
List<JsPropertyInitializer> inits = toReturn.getPropertyInitializers();
|
||||
|
||||
int size = x.getPropertyInitializers().size();
|
||||
while (size-- > 0) {
|
||||
/*
|
||||
* JsPropertyInitializers are the only non-JsExpression objects that we
|
||||
* care about, so we just go ahead and create the objects in the loop,
|
||||
* rather than expecting it to be on the stack and having to perform
|
||||
* narrowing casts at all stack.pop() invocations.
|
||||
*/
|
||||
JsPropertyInitializer newInit = new JsPropertyInitializer();
|
||||
newInit.setValueExpr(stack.pop());
|
||||
newInit.setLabelExpr(stack.pop());
|
||||
|
||||
inits.add(0, newInit);
|
||||
}
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsPostfixOperation x, JsContext ctx) {
|
||||
JsPostfixOperation toReturn = new JsPostfixOperation(x.getOperator());
|
||||
toReturn.setArg(stack.pop());
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsPrefixOperation x, JsContext ctx) {
|
||||
JsPrefixOperation toReturn = new JsPrefixOperation(x.getOperator());
|
||||
toReturn.setArg(stack.pop());
|
||||
stack.push(toReturn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsRegExp x, JsContext ctx) {
|
||||
stack.push(x);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsStringLiteral x, JsContext ctx) {
|
||||
stack.push(x);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsThisRef x, JsContext ctx) {
|
||||
stack.push(new JsThisRef());
|
||||
}
|
||||
|
||||
public JsExpression getExpression() {
|
||||
return (successful && checkStack()) ? stack.peek() : null;
|
||||
}
|
||||
|
||||
private boolean checkStack() {
|
||||
if (stack.size() > 1) {
|
||||
throw new InternalCompilerException("Too many expressions on stack");
|
||||
}
|
||||
|
||||
return stack.size() == 1;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,104 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
/**
|
||||
* Searches for method invocations in constructor expressions that would not
|
||||
* normally be surrounded by parentheses.
|
||||
*/
|
||||
public class JsConstructExpressionVisitor extends JsVisitor {
|
||||
|
||||
public static boolean exec(JsExpression expression) {
|
||||
if (JsPrecedenceVisitor.exec(expression) < JsPrecedenceVisitor.PRECEDENCE_NEW) {
|
||||
return true;
|
||||
}
|
||||
JsConstructExpressionVisitor visitor = new JsConstructExpressionVisitor();
|
||||
visitor.accept(expression);
|
||||
return visitor.containsInvocation;
|
||||
}
|
||||
|
||||
private boolean containsInvocation = false;
|
||||
|
||||
private JsConstructExpressionVisitor() {
|
||||
}
|
||||
|
||||
/**
|
||||
* We only look at the array expression since the index has its own scope.
|
||||
*/
|
||||
@Override
|
||||
public boolean visit(JsArrayAccess x, JsContext ctx) {
|
||||
accept(x.getArrayExpr());
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Array literals have their own scoping.
|
||||
*/
|
||||
@Override
|
||||
public boolean visit(JsArrayLiteral x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Functions have their own scoping.
|
||||
*/
|
||||
@Override
|
||||
public boolean visit(JsFunction x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsInvocation x, JsContext ctx) {
|
||||
containsInvocation = true;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNameRef x, JsContext ctx) {
|
||||
if (!x.isLeaf()) {
|
||||
accept(x.getQualifier());
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* New constructs bind to the nearest set of parentheses.
|
||||
*/
|
||||
@Override
|
||||
public boolean visit(JsNew x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Object literals have their own scope.
|
||||
*/
|
||||
@Override
|
||||
public boolean visit(JsObjectLiteral x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* We only look at nodes that would not normally be surrounded by parentheses.
|
||||
*/
|
||||
@Override
|
||||
protected <T extends JsVisitable> T doAccept(T node) {
|
||||
// Assign to Object to prevent 'inconvertible types' toJsAst errors due
|
||||
// to http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6548436
|
||||
// reproducible in jdk1.6.0_02.
|
||||
Object o = node;
|
||||
if (o instanceof JsExpression) {
|
||||
JsExpression expression = (JsExpression) o;
|
||||
int precedence = JsPrecedenceVisitor.exec(expression);
|
||||
// Only visit expressions that won't automatically be surrounded by
|
||||
// parentheses
|
||||
if (precedence < JsPrecedenceVisitor.PRECEDENCE_NEW) {
|
||||
return node;
|
||||
}
|
||||
}
|
||||
return super.doAccept(node);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,119 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
/**
|
||||
* Determines if an expression statement needs to be surrounded by parentheses.
|
||||
*
|
||||
* The statement or the left-most expression needs to be surrounded by
|
||||
* parentheses if the left-most expression is an object literal or a function
|
||||
* object. Function declarations do not need parentheses.
|
||||
*
|
||||
* For example the following require parentheses:<br>
|
||||
* <ul>
|
||||
* <li>{ key : 'value'}</li>
|
||||
* <li>{ key : 'value'}.key</li>
|
||||
* <li>function () {return 1;}()</li>
|
||||
* <li>function () {return 1;}.prototype</li>
|
||||
* </ul>
|
||||
*
|
||||
* The following do not require parentheses:<br>
|
||||
* <ul>
|
||||
* <li>var x = { key : 'value'}</li>
|
||||
* <li>"string" + { key : 'value'}.key</li>
|
||||
* <li>function func() {}</li>
|
||||
* <li>function() {}</li>
|
||||
* </ul>
|
||||
*/
|
||||
public class JsFirstExpressionVisitor extends JsVisitor {
|
||||
|
||||
public static boolean exec(JsExprStmt statement) {
|
||||
JsFirstExpressionVisitor visitor = new JsFirstExpressionVisitor();
|
||||
JsExpression expression = statement.getExpression();
|
||||
// Pure function declarations do not need parentheses
|
||||
if (expression instanceof JsFunction) {
|
||||
return false;
|
||||
}
|
||||
visitor.accept(statement.getExpression());
|
||||
return visitor.needsParentheses;
|
||||
}
|
||||
|
||||
private boolean needsParentheses = false;
|
||||
|
||||
private JsFirstExpressionVisitor() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsArrayAccess x, JsContext ctx) {
|
||||
accept(x.getArrayExpr());
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsArrayLiteral x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBinaryOperation x, JsContext ctx) {
|
||||
accept(x.getArg1());
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsConditional x, JsContext ctx) {
|
||||
accept(x.getTestExpression());
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsFunction x, JsContext ctx) {
|
||||
needsParentheses = true;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsInvocation x, JsContext ctx) {
|
||||
accept(x.getQualifier());
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNameRef x, JsContext ctx) {
|
||||
if (!x.isLeaf()) {
|
||||
accept(x.getQualifier());
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNew x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsObjectLiteral x, JsContext ctx) {
|
||||
needsParentheses = true;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsPostfixOperation x, JsContext ctx) {
|
||||
accept(x.getArg());
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsPrefixOperation x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsRegExp x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,23 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.JsProgram;
|
||||
|
||||
/**
|
||||
* A namer runs through a program and renames the short names of JsNames.
|
||||
* Namers must assign short names that don't clash and that are valid
|
||||
* JS-identifiers. Nested JsScopes must not shadow JsNames from outer
|
||||
* scopes.
|
||||
* If a JsName is marked as non-obfuscatable then it must retain its short
|
||||
* name.
|
||||
*/
|
||||
public interface JsNamer {
|
||||
/**
|
||||
* GlobalNames the shortNames of all JsNames of the program so that they are valid
|
||||
* JS-identifiers and that there are no clashes and no shadowing.
|
||||
*/
|
||||
public void exec(JsProgram program);
|
||||
}
|
||||
@@ -0,0 +1,103 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
/**
|
||||
* Fixes any semantic errors introduced by JS AST gen.
|
||||
*
|
||||
* <ul>
|
||||
* <li>Creating clinit calls can put comma expressions as lvalues; the modifying
|
||||
* operation must be moved inside the comma expression to the last argument.</li>
|
||||
* </ul>
|
||||
*/
|
||||
public class JsNormalizer {
|
||||
|
||||
/**
|
||||
* Resolves any unresolved JsNameRefs.
|
||||
*/
|
||||
private static class JsNormalizing extends JsModVisitor {
|
||||
|
||||
@Override
|
||||
public void endVisit(JsBinaryOperation x, JsContext ctx) {
|
||||
maybeShuffleModifyingBinary(x, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsPostfixOperation x, JsContext ctx) {
|
||||
maybeShuffleModifyingUnary(x, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(JsPrefixOperation x, JsContext ctx) {
|
||||
maybeShuffleModifyingUnary(x, ctx);
|
||||
}
|
||||
|
||||
/**
|
||||
* Due to the way clinits are constructed, you can end up with a comma
|
||||
* operation as the argument to a modifying operation, which is illegal.
|
||||
* Juggle things to put the operator inside of the comma expression.
|
||||
*/
|
||||
private void maybeShuffleModifyingBinary(JsBinaryOperation x, JsContext ctx) {
|
||||
JsBinaryOperator myOp = x.getOperator();
|
||||
JsExpression lhs = x.getArg1();
|
||||
|
||||
if (myOp.isAssignment() && (lhs instanceof JsBinaryOperation)) {
|
||||
// Find the rightmost comma operation
|
||||
JsBinaryOperation curLhs = (JsBinaryOperation) lhs;
|
||||
assert (curLhs.getOperator() == JsBinaryOperator.COMMA);
|
||||
while (curLhs.getArg2() instanceof JsBinaryOperation) {
|
||||
curLhs = (JsBinaryOperation) curLhs.getArg2();
|
||||
assert (curLhs.getOperator() == JsBinaryOperator.COMMA);
|
||||
}
|
||||
// curLhs is now the rightmost comma operation; slide our operation in
|
||||
x.setArg1(curLhs.getArg2());
|
||||
curLhs.setArg2(x);
|
||||
// replace myself with the comma expression
|
||||
ctx.replaceMe(lhs);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Due to the way clinits are constructed, you can end up with a comma
|
||||
* operation as the argument to a modifying operation, which is illegal.
|
||||
* Juggle things to put the operator inside of the comma expression.
|
||||
*/
|
||||
private void maybeShuffleModifyingUnary(JsUnaryOperation x, JsContext ctx) {
|
||||
JsUnaryOperator myOp = x.getOperator();
|
||||
JsExpression arg = x.getArg();
|
||||
if (myOp.isModifying() && (arg instanceof JsBinaryOperation)) {
|
||||
// Find the rightmost comma operation
|
||||
JsBinaryOperation curArg = (JsBinaryOperation) arg;
|
||||
assert (curArg.getOperator() == JsBinaryOperator.COMMA);
|
||||
while (curArg.getArg2() instanceof JsBinaryOperation) {
|
||||
curArg = (JsBinaryOperation) curArg.getArg2();
|
||||
assert (curArg.getOperator() == JsBinaryOperator.COMMA);
|
||||
}
|
||||
// curArg is now the rightmost comma operation; slide our operation in
|
||||
x.setArg(curArg.getArg2());
|
||||
curArg.setArg2(x);
|
||||
// replace myself with the comma expression
|
||||
ctx.replaceMe(arg);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void exec(JsProgram program) {
|
||||
new JsNormalizer(program).execImpl();
|
||||
}
|
||||
|
||||
private final JsProgram program;
|
||||
|
||||
private JsNormalizer(JsProgram program) {
|
||||
this.program = program;
|
||||
}
|
||||
|
||||
private void execImpl() {
|
||||
JsNormalizing normalizer = new JsNormalizing();
|
||||
normalizer.accept(program);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,92 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
/**
|
||||
* Indicates inability to parse JavaScript source.
|
||||
*/
|
||||
public class JsParserException extends Exception {
|
||||
|
||||
/**
|
||||
* Represents the location of a parser exception.
|
||||
*/
|
||||
public static class SourceDetail {
|
||||
private final String fileName;
|
||||
private final int line;
|
||||
private final int lineOffset;
|
||||
private final String lineSource;
|
||||
|
||||
public SourceDetail(int line, String lineSource, int lineOffset, String fileName) {
|
||||
this.line = line;
|
||||
this.lineSource = lineSource;
|
||||
this.lineOffset = lineOffset;
|
||||
this.fileName = fileName;
|
||||
}
|
||||
|
||||
public String getFileName() {
|
||||
return fileName;
|
||||
}
|
||||
|
||||
public int getLine() {
|
||||
return line;
|
||||
}
|
||||
|
||||
public int getLineOffset() {
|
||||
return lineOffset;
|
||||
}
|
||||
|
||||
public String getLineSource() {
|
||||
return lineSource;
|
||||
}
|
||||
}
|
||||
|
||||
private static String createMessageWithDetail(String msg, SourceDetail sourceDetail) {
|
||||
if (sourceDetail == null) {
|
||||
return msg;
|
||||
}
|
||||
StringBuffer sb = new StringBuffer();
|
||||
sb.append(sourceDetail.getFileName());
|
||||
sb.append('(');
|
||||
sb.append(sourceDetail.getLine());
|
||||
sb.append(')');
|
||||
sb.append(": ");
|
||||
sb.append(msg);
|
||||
if (sourceDetail.getLineSource() != null) {
|
||||
sb.append("\n> ");
|
||||
sb.append(sourceDetail.getLineSource());
|
||||
sb.append("\n> ");
|
||||
for (int i = 0, n = sourceDetail.getLineOffset(); i < n; ++i) {
|
||||
sb.append('-');
|
||||
}
|
||||
sb.append('^');
|
||||
}
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
private final SourceDetail sourceDetail;
|
||||
|
||||
public JsParserException(String msg) {
|
||||
this(msg, null);
|
||||
}
|
||||
|
||||
public JsParserException(String msg, int line, String lineSource, int lineOffset, String fileName) {
|
||||
this(msg, new SourceDetail(line, lineSource, lineOffset, fileName));
|
||||
}
|
||||
|
||||
public JsParserException(String msg, SourceDetail sourceDetail) {
|
||||
super(createMessageWithDetail(msg, sourceDetail));
|
||||
this.sourceDetail = sourceDetail;
|
||||
}
|
||||
|
||||
/**
|
||||
* Provides additional source detail in some cases.
|
||||
*
|
||||
* @return additional detail regarding the error, or <code>null</code> if no
|
||||
* additional detail is available
|
||||
*/
|
||||
public SourceDetail getSourceDetail() {
|
||||
return sourceDetail;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,274 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
/**
|
||||
* Precedence indices from "JavaScript - The Definitive Guide" 4th Edition (page
|
||||
* 57)
|
||||
*
|
||||
* Precedence 17 is for indivisible primaries that either don't have children,
|
||||
* or provide their own delimiters.
|
||||
*
|
||||
* Precedence 16 is for really important things that have their own AST classes.
|
||||
*
|
||||
* Precedence 15 is for the new construct.
|
||||
*
|
||||
* Precedence 14 is for unary operators.
|
||||
*
|
||||
* Precedences 12 through 4 are for non-assigning binary operators.
|
||||
*
|
||||
* Precedence 3 is for the tertiary conditional.
|
||||
*
|
||||
* Precedence 2 is for assignments.
|
||||
*
|
||||
* Precedence 1 is for comma operations.
|
||||
*/
|
||||
class JsPrecedenceVisitor extends JsVisitor {
|
||||
|
||||
static final int PRECEDENCE_NEW = 15;
|
||||
|
||||
public static int exec(JsExpression expression) {
|
||||
JsPrecedenceVisitor visitor = new JsPrecedenceVisitor();
|
||||
visitor.accept(expression);
|
||||
if (visitor.answer < 0) {
|
||||
throw new RuntimeException("Precedence must be >= 0!");
|
||||
}
|
||||
return visitor.answer;
|
||||
}
|
||||
|
||||
private int answer = -1;
|
||||
|
||||
private JsPrecedenceVisitor() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsArrayAccess x, JsContext ctx) {
|
||||
answer = 16;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsArrayLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBinaryOperation x, JsContext ctx) {
|
||||
answer = x.getOperator().getPrecedence();
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBlock x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBooleanLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBreak x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsCase x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsCatch x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsConditional x, JsContext ctx) {
|
||||
answer = 3;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsContinue x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsDebugger x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsDefault x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsDoWhile x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsEmpty x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsExprStmt x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsFor x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsForIn x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsFunction x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsIf x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsInvocation x, JsContext ctx) {
|
||||
answer = 16;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsLabel x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNameRef x, JsContext ctx) {
|
||||
if (x.isLeaf()) {
|
||||
answer = 17; // primary
|
||||
} else {
|
||||
answer = 16; // property access
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNew x, JsContext ctx) {
|
||||
answer = PRECEDENCE_NEW;
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNullLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsNumberLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsObjectLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsParameter x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsPostfixOperation x, JsContext ctx) {
|
||||
answer = x.getOperator().getPrecedence();
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsPrefixOperation x, JsContext ctx) {
|
||||
answer = x.getOperator().getPrecedence();
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsProgram x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsPropertyInitializer x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsRegExp x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsReturn x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsStringLiteral x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsSwitch x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsThisRef x, JsContext ctx) {
|
||||
answer = 17; // primary
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsThrow x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsTry x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsVars.JsVar x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsVars x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsWhile x, JsContext ctx) {
|
||||
throw new RuntimeException("Only expressions have precedence.");
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,122 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.JsName;
|
||||
import com.google.dart.compiler.backend.js.ast.JsProgram;
|
||||
import com.google.dart.compiler.backend.js.ast.JsRootScope;
|
||||
import com.google.dart.compiler.backend.js.ast.JsScope;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
/**
|
||||
* A namer that uses short, readable idents to maximize reability.
|
||||
*/
|
||||
public class JsPrettyNamer implements JsNamer {
|
||||
|
||||
public JsPrettyNamer() {
|
||||
this.program = null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void exec(JsProgram program) {
|
||||
new JsPrettyNamer(program).execImpl();
|
||||
}
|
||||
|
||||
/**
|
||||
* Communicates to a parent scope all the idents used by all child scopes.
|
||||
*/
|
||||
private Set<String> childIdents = null;
|
||||
|
||||
private final JsProgram program;
|
||||
|
||||
/**
|
||||
* A map containing the next integer to try as an identifier suffix for a
|
||||
* given JsScope.
|
||||
*/
|
||||
private IdentityHashMap<JsScope, HashMap<String, Integer>> startIdentForScope =
|
||||
new IdentityHashMap<JsScope, HashMap<String, Integer>>();
|
||||
|
||||
protected JsPrettyNamer(JsProgram program) {
|
||||
this.program = program;
|
||||
}
|
||||
|
||||
private void execImpl() {
|
||||
visit(program.getRootScope());
|
||||
}
|
||||
|
||||
private boolean isLegal(JsScope scope, Set<String> childIdents, String newIdent) {
|
||||
if (JsReservedIdentifiers.isKeyword(newIdent)) {
|
||||
return false;
|
||||
}
|
||||
if (childIdents.contains(newIdent)) {
|
||||
// one of my children already claimed this ident
|
||||
return false;
|
||||
}
|
||||
/*
|
||||
* Never obfuscate a name into an identifier that conflicts with an existing
|
||||
* unobfuscatable name! It's okay if it conflicts with an existing
|
||||
* obfuscatable name; that name will get obfuscated out of the way.
|
||||
*/
|
||||
return (scope.findExistingUnobfuscatableName(newIdent) == null);
|
||||
}
|
||||
|
||||
private void visit(JsScope scope) {
|
||||
HashMap<String, Integer> startIdent = startIdentForScope.get(scope);
|
||||
if (startIdent == null) {
|
||||
startIdent = new HashMap<String, Integer>();
|
||||
startIdentForScope.put(scope, startIdent);
|
||||
}
|
||||
|
||||
// Save off the childIdents which is currently being computed for my parent.
|
||||
Set<String> myChildIdents = childIdents;
|
||||
|
||||
/*
|
||||
* Visit my children first. Reset childIdents so that my children will get a
|
||||
* clean slate: I do not communicate to my children.
|
||||
*/
|
||||
childIdents = new HashSet<String>();
|
||||
List<JsScope> children = scope.getChildren();
|
||||
for (Iterator<JsScope> it = children.iterator(); it.hasNext();) {
|
||||
visit(it.next());
|
||||
}
|
||||
|
||||
JsRootScope rootScope = program.getRootScope();
|
||||
if (scope == rootScope) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Visit all my idents.
|
||||
for (Iterator<JsName> it = scope.getAllNames(); it.hasNext();) {
|
||||
JsName name = it.next();
|
||||
if (!name.isObfuscatable()) {
|
||||
// Unobfuscatable names become themselves.
|
||||
name.setShortIdent(name.getIdent());
|
||||
continue;
|
||||
}
|
||||
|
||||
String newIdent = name.getShortIdent();
|
||||
if (!isLegal(scope, childIdents, newIdent)) {
|
||||
String checkIdent;
|
||||
|
||||
// Start searching using a suffix hint stored in the scope.
|
||||
// We still do a search in case there is a collision with
|
||||
// a user-provided identifier
|
||||
Integer s = startIdent.get(newIdent);
|
||||
int suffix = (s == null) ? 0 : s.intValue();
|
||||
do {
|
||||
checkIdent = newIdent + "_" + suffix++;
|
||||
} while (!isLegal(scope, childIdents, checkIdent));
|
||||
startIdent.put(newIdent, suffix);
|
||||
name.setShortIdent(checkIdent);
|
||||
} else {
|
||||
// nothing to do; the short name is already good
|
||||
}
|
||||
childIdents.add(name.getShortIdent());
|
||||
}
|
||||
myChildIdents.addAll(childIdents);
|
||||
childIdents = myChildIdents;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,140 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.backend.js.ast.*;
|
||||
|
||||
/**
|
||||
* Determines if a statement at the end of a block requires a semicolon.
|
||||
*
|
||||
* For example, the following statements require semicolons:<br>
|
||||
* <ul>
|
||||
* <li>if (cond);</li>
|
||||
* <li>while (cond);</li>
|
||||
* </ul>
|
||||
*
|
||||
* The following do not require semicolons:<br>
|
||||
* <ul>
|
||||
* <li>return 1</li>
|
||||
* <li>do {} while(true)</li>
|
||||
* </ul>
|
||||
*/
|
||||
public class JsRequiresSemiVisitor extends JsVisitor {
|
||||
|
||||
public static boolean exec(JsStatement lastStatement) {
|
||||
JsRequiresSemiVisitor visitor = new JsRequiresSemiVisitor();
|
||||
visitor.accept(lastStatement);
|
||||
return visitor.needsSemicolon;
|
||||
}
|
||||
|
||||
private boolean needsSemicolon = false;
|
||||
|
||||
private JsRequiresSemiVisitor() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBlock x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBreak x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsDebugger x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsDoWhile x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsEmpty x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsExprStmt x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsFor x, JsContext ctx) {
|
||||
if (x.getBody() instanceof JsEmpty) {
|
||||
needsSemicolon = true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsForIn x, JsContext ctx) {
|
||||
if (x.getBody() instanceof JsEmpty) {
|
||||
needsSemicolon = true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsIf x, JsContext ctx) {
|
||||
JsStatement thenStmt = x.getThenStmt();
|
||||
JsStatement elseStmt = x.getElseStmt();
|
||||
JsStatement toCheck = thenStmt;
|
||||
if (elseStmt != null) {
|
||||
toCheck = elseStmt;
|
||||
}
|
||||
if (toCheck instanceof JsEmpty) {
|
||||
needsSemicolon = true;
|
||||
} else {
|
||||
// Must recurse to determine last statement (possible if-else chain).
|
||||
accept(toCheck);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsLabel x, JsContext ctx) {
|
||||
if (x.getStmt() instanceof JsEmpty) {
|
||||
needsSemicolon = true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsReturn x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsSwitch x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsThrow x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsTry x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsVars x, JsContext ctx) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsWhile x, JsContext ctx) {
|
||||
if (x.getBody() instanceof JsEmpty) {
|
||||
needsSemicolon = true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,223 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
/**
|
||||
* Determines whether or not a particular string is a JavaScript keyword or not.
|
||||
*/
|
||||
public class JsReservedIdentifiers {
|
||||
|
||||
private static Set<String> javaScriptKeywords;
|
||||
private static Set<String> reservedGlobalSymbols;
|
||||
private static Set<String> reservedPropertySymbols;
|
||||
|
||||
static {
|
||||
javaScriptKeywords = new HashSet<String>();
|
||||
reservedGlobalSymbols = new HashSet<String>();
|
||||
reservedPropertySymbols = new HashSet<String>();
|
||||
initJavaScriptKeywords();
|
||||
initReservedGlobalSymbols();
|
||||
initReservedPropertySymbols();
|
||||
}
|
||||
|
||||
public static boolean isKeyword(String s) {
|
||||
return javaScriptKeywords.contains(s);
|
||||
}
|
||||
|
||||
private static void initJavaScriptKeywords() {
|
||||
String[] keywords = new String[] {
|
||||
// These are current keywords
|
||||
"break", "delete", "function", "return", "typeof", "case", "do", "if", "switch", "var",
|
||||
"catch", "else", "in", "this", "void", "continue", "false", "instanceof", "throw",
|
||||
"while", "debugger", "finally", "new", "true", "with", "default", "for",
|
||||
"null", "try",
|
||||
|
||||
// These are future keywords
|
||||
"abstract", "double", "goto", "native", "static", "boolean", "enum", "implements",
|
||||
"package", "super", "byte", "export", "import", "private", "synchronized", "char",
|
||||
"extends", "int", "protected", "throws", "class", "final", "interface", "public",
|
||||
"transient", "const", "float", "long", "short", "volatile"
|
||||
};
|
||||
|
||||
for (int i = 0; i < keywords.length; i++) {
|
||||
javaScriptKeywords.add(keywords[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return a set containing all known reserved global identifiers. This set must not be modified.
|
||||
*/
|
||||
public static Set<String> getReservedGlobalSymbols() {
|
||||
return reservedGlobalSymbols;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if the string s can not be used as a global identifier. The check includes
|
||||
* JavaScript keywords (as they must not be used either).
|
||||
* @param s
|
||||
* @return true if the given String must not be used as a global identifier.
|
||||
*/
|
||||
public static boolean isReservedGlobalSymbol(String s) {
|
||||
return isKeyword(s) || reservedGlobalSymbols.contains(s);
|
||||
}
|
||||
|
||||
private static void initReservedGlobalSymbols() {
|
||||
// Section references are from Ecma-262
|
||||
// (http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf)
|
||||
String[] commonBuiltins = new String[] {
|
||||
// 15.1.1 Value Properties of the Global Object
|
||||
"NaN", "Infinity", "undefined",
|
||||
|
||||
// 15.1.2 Function Properties of the Global Object
|
||||
"eval", "parseInt", "parseFloat", "isNan", "isFinite",
|
||||
|
||||
// 15.1.3 URI Handling Function Properties
|
||||
"decodeURI", "decodeURIComponent",
|
||||
"encodeURI",
|
||||
"encodeURIComponent",
|
||||
|
||||
// 15.1.4 Constructor Properties of the Global Object
|
||||
"Object", "Function", "Array", "String", "Boolean", "Number", "Date",
|
||||
"RegExp", "Error", "EvalError", "RangeError", "ReferenceError",
|
||||
"SyntaxError", "TypeError", "URIError",
|
||||
|
||||
// 15.1.5 Other Properties of the Global Object
|
||||
"Math",
|
||||
|
||||
// 10.1.6 Activation Object
|
||||
"arguments",
|
||||
|
||||
// B.2 Additional Properties (non-normative)
|
||||
"escape", "unescape",
|
||||
|
||||
// Window props (https://developer.mozilla.org/en/DOM/window)
|
||||
"applicationCache", "closed", "Components", "content", "controllers",
|
||||
"crypto", "defaultStatus", "dialogArguments", "directories",
|
||||
"document", "frameElement", "frames", "fullScreen", "globalStorage",
|
||||
"history", "innerHeight", "innerWidth", "length",
|
||||
"location", "locationbar", "localStorage", "menubar",
|
||||
"mozInnerScreenX", "mozInnerScreenY", "mozScreenPixelsPerCssPixel",
|
||||
"name", "navigator", "opener", "outerHeight", "outerWidth",
|
||||
"pageXOffset", "pageYOffset", "parent", "personalbar", "pkcs11",
|
||||
"returnValue", "screen", "scrollbars", "scrollMaxX", "scrollMaxY",
|
||||
"self", "sessionStorage", "sidebar", "status", "statusbar", "toolbar",
|
||||
"top", "window",
|
||||
|
||||
// Window methods (https://developer.mozilla.org/en/DOM/window)
|
||||
"alert", "addEventListener", "atob", "back", "blur", "btoa",
|
||||
"captureEvents", "clearInterval", "clearTimeout", "close", "confirm",
|
||||
"disableExternalCapture", "dispatchEvent", "dump",
|
||||
"enableExternalCapture", "escape", "find", "focus", "forward",
|
||||
"GeckoActiveXObject", "getAttention", "getAttentionWithCycleCount",
|
||||
"getComputedStyle", "getSelection", "home", "maximize", "minimize",
|
||||
"moveBy", "moveTo", "open", "openDialog", "postMessage", "print",
|
||||
"prompt", "QueryInterface", "releaseEvents", "removeEventListener",
|
||||
"resizeBy", "resizeTo", "restore", "routeEvent", "scroll", "scrollBy",
|
||||
"scrollByLines", "scrollByPages", "scrollTo", "setInterval",
|
||||
"setResizeable", "setTimeout", "showModalDialog", "sizeToContent",
|
||||
"stop", "uuescape", "updateCommands", "XPCNativeWrapper",
|
||||
"XPCSafeJSOjbectWrapper",
|
||||
|
||||
// Mozilla Window event handlers, same cite
|
||||
"onabort", "onbeforeunload", "onchange", "onclick", "onclose",
|
||||
"oncontextmenu", "ondragdrop", "onerror", "onfocus", "onhashchange",
|
||||
"onkeydown", "onkeypress", "onkeyup", "onload", "onmousedown",
|
||||
"onmousemove", "onmouseout", "onmouseover", "onmouseup",
|
||||
"onmozorientation", "onpaint", "onreset", "onresize", "onscroll",
|
||||
"onselect", "onsubmit", "onunload",
|
||||
|
||||
// Safari Web Content Guide
|
||||
// http://developer.apple.com/library/safari/#documentation/AppleApplications/Reference/SafariWebContent/SafariWebContent.pdf
|
||||
// WebKit Window member data, from WebKit DOM Reference
|
||||
// (http://developer.apple.com/safari/library/documentation/AppleApplications/Reference/WebKitDOMRef/DOMWindow_idl/Classes/DOMWindow/index.html)
|
||||
// TODO(fredsa) Many, many more functions and member data to add
|
||||
"ontouchcancel", "ontouchend", "ontouchmove", "ontouchstart",
|
||||
"ongesturestart", "ongesturechange", "ongestureend",
|
||||
|
||||
// extra window methods
|
||||
"uneval",
|
||||
|
||||
// keywords https://developer.mozilla.org/en/New_in_JavaScript_1.7,
|
||||
// https://developer.mozilla.org/en/New_in_JavaScript_1.8.1
|
||||
"getPrototypeOf", "let", "yield",
|
||||
|
||||
// "future reserved words"
|
||||
"abstract", "int", "short", "boolean", "interface", "static", "byte",
|
||||
"long", "char", "final", "native", "synchronized", "float", "package",
|
||||
"throws", "goto", "private", "transient", "implements", "protected",
|
||||
"volatile", "double", "public",
|
||||
|
||||
// IE methods
|
||||
// (http://msdn.microsoft.com/en-us/library/ms535873(VS.85).aspx#)
|
||||
"attachEvent", "clientInformation", "clipboardData", "createPopup",
|
||||
"dialogHeight", "dialogLeft", "dialogTop", "dialogWidth",
|
||||
"onafterprint", "onbeforedeactivate", "onbeforeprint",
|
||||
"oncontrolselect", "ondeactivate", "onhelp", "onresizeend",
|
||||
|
||||
// Common browser-defined identifiers not defined in ECMAScript
|
||||
"event", "external", "Debug", "Enumerator", "Global", "Image",
|
||||
"ActiveXObject", "VBArray", "Components",
|
||||
|
||||
// Functions commonly defined on Object
|
||||
"toString", "getClass", "constructor", "prototype", "valueOf",
|
||||
|
||||
// Client-side JavaScript identifiers, which are needed for linkers
|
||||
// that don't ensure GWT's window != $wnd, document != $doc, etc.
|
||||
// Taken from the Rhino book, pg 715
|
||||
"Anchor", "Applet", "Attr", "Canvas", "CanvasGradient",
|
||||
"CanvasPattern", "CanvasRenderingContext2D", "CDATASection",
|
||||
"CharacterData", "Comment", "CSS2Properties", "CSSRule",
|
||||
"CSSStyleSheet", "Document", "DocumentFragment", "DocumentType",
|
||||
"DOMException", "DOMImplementation", "DOMParser", "Element", "Event",
|
||||
"ExternalInterface", "FlashPlayer", "Form", "Frame", "History",
|
||||
"HTMLCollection", "HTMLDocument", "HTMLElement", "IFrame", "Image",
|
||||
"Input", "JSObject", "KeyEvent", "Link", "Location", "MimeType",
|
||||
"MouseEvent", "Navigator", "Node", "NodeList", "Option", "Plugin",
|
||||
"ProcessingInstruction", "Range", "RangeException", "Screen", "Select",
|
||||
"Table", "TableCell", "TableRow", "TableSelection", "Text", "TextArea",
|
||||
"UIEvent", "Window", "XMLHttpRequest", "XMLSerializer",
|
||||
"XPathException", "XPathResult", "XSLTProcessor",
|
||||
|
||||
// These keywords trigger the loading of the java-plugin. For the
|
||||
// next-generation plugin, this results in starting a new Java process.
|
||||
"java", "Packages", "netscape", "sun", "JavaObject", "JavaClass",
|
||||
"JavaArray", "JavaMember",
|
||||
|
||||
// GWT-defined identifiers
|
||||
"$wnd", "$doc", "$entry", "$moduleName", "$moduleBase", "$gwt_version", "$sessionId",
|
||||
|
||||
// Identifiers used by JsStackEmulator; later set to obfuscatable
|
||||
"$stack", "$stackDepth", "$location",
|
||||
|
||||
// TODO: prove why this is necessary or remove it
|
||||
"call"
|
||||
};
|
||||
for (int i = 0; i < commonBuiltins.length; i++) {
|
||||
reservedGlobalSymbols.add(commonBuiltins[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if the given string can not be used as property symbol. The check excludes
|
||||
* keywords as JavaScript allow keywords as properties.
|
||||
* @param s
|
||||
* @return true if the given string must not be used as a property.
|
||||
*/
|
||||
public static boolean isReservedPropertySymbol(String s) {
|
||||
return reservedPropertySymbols.contains(s);
|
||||
}
|
||||
|
||||
private static void initReservedPropertySymbols() {
|
||||
// TODO(floitsch): fill in reserved property symbols.
|
||||
reservedPropertySymbols.add("__PROTO__");
|
||||
reservedPropertySymbols.add("prototype");
|
||||
}
|
||||
|
||||
private JsReservedIdentifiers() {
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
import com.google.dart.compiler.util.TextOutput;
|
||||
import com.google.dart.compiler.backend.js.ast.JsContext;
|
||||
import com.google.dart.compiler.backend.js.ast.JsProgramFragment;
|
||||
import com.google.dart.compiler.backend.js.ast.JsBlock;
|
||||
import com.google.dart.compiler.backend.js.ast.JsProgram;
|
||||
|
||||
/**
|
||||
* Generates JavaScript source from an AST.
|
||||
*/
|
||||
public class JsSourceGenerationVisitor extends JsToStringGenerationVisitor {
|
||||
|
||||
public JsSourceGenerationVisitor(TextOutput out) {
|
||||
super(out);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsProgram x, JsContext ctx) {
|
||||
// Descend naturally.
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsProgramFragment x, JsContext ctx) {
|
||||
// Descend naturally.
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(JsBlock x, JsContext ctx) {
|
||||
printJsBlock(x, false, true);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,21 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js;
|
||||
|
||||
/**
|
||||
* An unchecked wrapper exception to interop with Rhino.
|
||||
*/
|
||||
class UncheckedJsParserException extends RuntimeException {
|
||||
|
||||
private final JsParserException parserException;
|
||||
|
||||
public UncheckedJsParserException(JsParserException parserException) {
|
||||
this.parserException = parserException;
|
||||
}
|
||||
|
||||
public JsParserException getParserException() {
|
||||
return parserException;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* An interface that describes the boolean evaluation of an expression.
|
||||
*/
|
||||
public interface CanBooleanEval {
|
||||
|
||||
boolean isBooleanFalse();
|
||||
|
||||
boolean isBooleanTrue();
|
||||
}
|
||||
@@ -0,0 +1,14 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Implemented by JavaScript objects that accept arguments.
|
||||
*/
|
||||
public interface HasArguments {
|
||||
List<JsExpression> getArguments();
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Implemented by JavaScript objects with conditional execution.
|
||||
*/
|
||||
public interface HasCondition {
|
||||
|
||||
JsExpression getCondition();
|
||||
|
||||
void setCondition(JsExpression condition);
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Implemented by JavaScript objects that have a name.
|
||||
*/
|
||||
public interface HasName {
|
||||
JsName getName();
|
||||
}
|
||||
@@ -0,0 +1,68 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a javascript expression for array access.
|
||||
*/
|
||||
public final class JsArrayAccess extends JsExpression {
|
||||
|
||||
private JsExpression arrayExpr;
|
||||
private JsExpression indexExpr;
|
||||
|
||||
public JsArrayAccess() {
|
||||
super();
|
||||
}
|
||||
|
||||
public JsArrayAccess(JsExpression arrayExpr, JsExpression indexExpr) {
|
||||
this.arrayExpr = arrayExpr;
|
||||
this.indexExpr = indexExpr;
|
||||
}
|
||||
|
||||
public JsExpression getArrayExpr() {
|
||||
return arrayExpr;
|
||||
}
|
||||
|
||||
public JsExpression getIndexExpr() {
|
||||
return indexExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
return arrayExpr.hasSideEffects() || indexExpr.hasSideEffects();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
public void setArrayExpr(JsExpression arrayExpr) {
|
||||
this.arrayExpr = arrayExpr;
|
||||
}
|
||||
|
||||
public void setIndexExpr(JsExpression indexExpr) {
|
||||
this.indexExpr = indexExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
arrayExpr = v.accept(arrayExpr);
|
||||
indexExpr = v.accept(indexExpr);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.ARRAY_ACCESS;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,67 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript expression for array literals.
|
||||
*/
|
||||
public final class JsArrayLiteral extends JsLiteral {
|
||||
|
||||
private final List<JsExpression> exprs = new ArrayList<JsExpression>();
|
||||
|
||||
public JsArrayLiteral() {
|
||||
super();
|
||||
}
|
||||
|
||||
public List<JsExpression> getExpressions() {
|
||||
return exprs;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
for (JsExpression expr : exprs) {
|
||||
if (expr.hasSideEffects()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
v.acceptWithInsertRemove(exprs);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.ARRAY;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,107 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript binary operation.
|
||||
*/
|
||||
public final class JsBinaryOperation extends JsExpression {
|
||||
|
||||
private JsExpression arg1;
|
||||
private JsExpression arg2;
|
||||
private final JsBinaryOperator op;
|
||||
|
||||
public JsBinaryOperation(JsBinaryOperator op) {
|
||||
this(op, null, null);
|
||||
}
|
||||
|
||||
public JsBinaryOperation(JsBinaryOperator op, JsExpression arg1, JsExpression arg2) {
|
||||
this.op = op;
|
||||
this.arg1 = arg1;
|
||||
this.arg2 = arg2;
|
||||
}
|
||||
|
||||
public JsExpression getArg1() {
|
||||
return arg1;
|
||||
}
|
||||
|
||||
public JsExpression getArg2() {
|
||||
return arg2;
|
||||
}
|
||||
|
||||
public JsBinaryOperator getOperator() {
|
||||
return op;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
return op.isAssignment() || arg1.hasSideEffects() || arg2.hasSideEffects();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
// Precarious coding, but none of these can have null results.
|
||||
if (op.getPrecedence() > 5) {
|
||||
return true;
|
||||
}
|
||||
if (op == JsBinaryOperator.OR) {
|
||||
if (arg1 instanceof CanBooleanEval) {
|
||||
if (((CanBooleanEval) arg1).isBooleanTrue()) {
|
||||
assert arg1.isDefinitelyNotNull();
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
// AND and OR can return nulls
|
||||
if (op.isAssignment()) {
|
||||
if (op == JsBinaryOperator.ASG) {
|
||||
return arg2.isDefinitelyNotNull();
|
||||
} else {
|
||||
// All other ASG's are math ops.
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
if (op == JsBinaryOperator.COMMA) {
|
||||
return arg2.isDefinitelyNotNull();
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
if (op == JsBinaryOperator.AND) {
|
||||
return arg1.isDefinitelyNull();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public void setArg1(JsExpression arg1) {
|
||||
this.arg1 = arg1;
|
||||
}
|
||||
|
||||
public void setArg2(JsExpression arg2) {
|
||||
this.arg2 = arg2;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
if (op.isAssignment()) {
|
||||
arg1 = v.acceptLvalue(arg1);
|
||||
} else {
|
||||
arg1 = v.accept(arg1);
|
||||
}
|
||||
arg2 = v.accept(arg2);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.BINARY_OP;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,120 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents the operator in a JavaScript binary operation.
|
||||
*/
|
||||
public enum JsBinaryOperator implements JsOperator {
|
||||
|
||||
/*
|
||||
* Precedence indices from "JavaScript - The Definitive Guide" 4th Edition
|
||||
* (page 57)
|
||||
*
|
||||
*
|
||||
* Precedence 15 is for really important things that have their own AST
|
||||
* classes.
|
||||
*
|
||||
* Precedence 14 is for unary operators.
|
||||
*/
|
||||
|
||||
MUL("*", 13, LEFT | INFIX), DIV("/", 13, LEFT | INFIX), MOD("%", 13, LEFT
|
||||
| INFIX),
|
||||
|
||||
ADD("+", 12, LEFT | INFIX), SUB("-", 12, LEFT | INFIX),
|
||||
|
||||
SHL("<<", 11, LEFT | INFIX), SHR(">>", 11, LEFT | INFIX), SHRU(">>>", 11,
|
||||
LEFT | INFIX),
|
||||
|
||||
LT("<", 10, LEFT | INFIX), LTE("<=", 10, LEFT | INFIX), GT(">", 10, LEFT
|
||||
| INFIX), GTE(">=", 10, LEFT | INFIX), INSTANCEOF("instanceof", 10, LEFT
|
||||
| INFIX), INOP("in", 10, LEFT | INFIX),
|
||||
|
||||
EQ("==", 9, LEFT | INFIX), NEQ("!=", 9, LEFT | INFIX), REF_EQ("===", 9, LEFT
|
||||
| INFIX), REF_NEQ("!==", 9, LEFT | INFIX),
|
||||
|
||||
BIT_AND("&", 8, LEFT | INFIX),
|
||||
|
||||
BIT_XOR("^", 7, LEFT | INFIX),
|
||||
|
||||
BIT_OR("|", 6, LEFT | INFIX),
|
||||
|
||||
AND("&&", 5, LEFT | INFIX),
|
||||
|
||||
OR("||", 4, LEFT | INFIX),
|
||||
|
||||
// Precedence 3 is for the condition operator.
|
||||
|
||||
// These assignment operators are right-associative.
|
||||
ASG("=", 2, INFIX), ASG_ADD("+=", 2, INFIX), ASG_SUB("-=", 2, INFIX), ASG_MUL(
|
||||
"*=", 2, INFIX), ASG_DIV("/=", 2, INFIX), ASG_MOD("%=", 2, INFIX), ASG_SHL(
|
||||
"<<=", 2, INFIX), ASG_SHR(">>=", 2, INFIX), ASG_SHRU(">>>=", 2, INFIX), ASG_BIT_AND(
|
||||
"&=", 2, INFIX), ASG_BIT_OR("|=", 2, INFIX), ASG_BIT_XOR("^=", 2, INFIX),
|
||||
|
||||
COMMA(",", 1, LEFT | INFIX);
|
||||
|
||||
private final int mask;
|
||||
private final int precedence;
|
||||
private final String symbol;
|
||||
|
||||
private JsBinaryOperator(String symbol, int precedence, int mask) {
|
||||
this.symbol = symbol;
|
||||
this.precedence = precedence;
|
||||
this.mask = mask;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getPrecedence() {
|
||||
return precedence;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSymbol() {
|
||||
return symbol;
|
||||
}
|
||||
|
||||
public boolean isAssignment() {
|
||||
/*
|
||||
* Beware, flaky! Maybe I should have added Yet Another Field to
|
||||
* BinaryOperator?
|
||||
*/
|
||||
return (getPrecedence() == ASG.getPrecedence());
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isKeyword() {
|
||||
return this == INSTANCEOF || this == INOP;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isLeftAssociative() {
|
||||
return (mask & LEFT) != 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isPrecedenceLessThan(JsOperator other) {
|
||||
return precedence < other.getPrecedence();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isValidInfix() {
|
||||
return (mask & INFIX) != 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isValidPostfix() {
|
||||
return (mask & POSTFIX) != 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isValidPrefix() {
|
||||
return (mask & PREFIX) != 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return symbol;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,60 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript block statement.
|
||||
*/
|
||||
public class JsBlock extends JsStatement {
|
||||
|
||||
private final LinkedList<JsStatement> stmts = new LinkedList<JsStatement>();
|
||||
|
||||
public JsBlock() {
|
||||
}
|
||||
|
||||
public JsBlock(JsStatement stmt) {
|
||||
stmts.add(stmt);
|
||||
}
|
||||
|
||||
public List<JsStatement> getStatements() {
|
||||
return stmts;
|
||||
}
|
||||
|
||||
public void addStatement(JsStatement statement) {
|
||||
assert statement != null;
|
||||
stmts.add(statement);
|
||||
}
|
||||
|
||||
public boolean isGlobalBlock() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
v.acceptWithInsertRemove(stmts);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.BLOCK;
|
||||
}
|
||||
|
||||
/*Pavel Talanov*/
|
||||
public void addVarDeclaration(JsVars vars) {
|
||||
stmts.offerFirst(vars);
|
||||
}
|
||||
|
||||
public void setStatements(List<JsStatement> statements) {
|
||||
assert this.stmts.isEmpty() : "Already contains statements.";
|
||||
this.stmts.addAll(statements);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,53 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript literal boolean expression.
|
||||
*/
|
||||
public final class JsBooleanLiteral extends JsValueLiteral {
|
||||
|
||||
private final boolean value;
|
||||
|
||||
// Should be interned by JsProgram
|
||||
JsBooleanLiteral(boolean value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
public boolean getValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return value == false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return value == true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.BOOLEAN;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,46 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents the JavaScript break statement.
|
||||
*/
|
||||
public final class JsBreak extends JsStatement {
|
||||
|
||||
private final JsNameRef label;
|
||||
|
||||
public JsBreak() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public JsBreak(JsNameRef label) {
|
||||
super();
|
||||
this.label = label;
|
||||
}
|
||||
|
||||
public JsNameRef getLabel() {
|
||||
return label;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
if (label != null) {
|
||||
v.accept(label);
|
||||
}
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean unconditionalControlBreak() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.BREAK;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents the JavaScript case statement.
|
||||
*/
|
||||
public final class JsCase extends JsSwitchMember {
|
||||
|
||||
private JsExpression caseExpr;
|
||||
|
||||
public JsCase() {
|
||||
super();
|
||||
}
|
||||
|
||||
public JsExpression getCaseExpr() {
|
||||
return caseExpr;
|
||||
}
|
||||
|
||||
public void setCaseExpr(JsExpression caseExpr) {
|
||||
this.caseExpr = caseExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
caseExpr = v.accept(caseExpr);
|
||||
v.acceptWithInsertRemove(stmts);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.CASE;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript catch clause.
|
||||
*/
|
||||
public class JsCatch extends JsNode implements HasCondition {
|
||||
|
||||
protected final JsCatchScope scope;
|
||||
private JsBlock body;
|
||||
private JsExpression condition;
|
||||
private JsParameter param;
|
||||
|
||||
public JsCatch(JsScope parent, String ident) {
|
||||
super();
|
||||
assert (parent != null);
|
||||
scope = new JsCatchScope(parent, ident);
|
||||
param = new JsParameter(scope.findExistingName(ident));
|
||||
}
|
||||
|
||||
public JsBlock getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsExpression getCondition() {
|
||||
return condition;
|
||||
}
|
||||
|
||||
public JsParameter getParameter() {
|
||||
return param;
|
||||
}
|
||||
|
||||
public JsScope getScope() {
|
||||
return scope;
|
||||
}
|
||||
|
||||
public void setBody(JsBlock body) {
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setCondition(JsExpression condition) {
|
||||
this.condition = condition;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
param = v.accept(param);
|
||||
if (condition != null) {
|
||||
condition = v.accept(condition);
|
||||
}
|
||||
body = v.accept(body);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.CATCH;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,75 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.Iterator;
|
||||
import java.util.NoSuchElementException;
|
||||
|
||||
/**
|
||||
* A special scope used only for catch blocks. It only holds a single symbol:
|
||||
* the catch argument's name.
|
||||
*/
|
||||
public class JsCatchScope extends JsScope {
|
||||
|
||||
private final JsName name;
|
||||
|
||||
public JsCatchScope(JsScope parent, String ident) {
|
||||
super(parent, "Catch scope");
|
||||
this.name = new JsName(this, ident, ident, ident);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName declareName(String ident) {
|
||||
// Declare into parent scope!
|
||||
return getParent().declareName(ident);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName declareName(String ident, String shortIdent) {
|
||||
// Declare into parent scope!
|
||||
return getParent().declareName(ident, shortIdent);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iterator<JsName> getAllNames() {
|
||||
return new Iterator<JsName>() {
|
||||
private boolean didIterate = false;
|
||||
|
||||
@Override
|
||||
public boolean hasNext() {
|
||||
return !didIterate;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName next() {
|
||||
if (didIterate) {
|
||||
throw new NoSuchElementException();
|
||||
}
|
||||
didIterate = true;
|
||||
return name;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void remove() {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
};
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JsName doCreateName(String ident, String shortIdent, String originalName) {
|
||||
throw new UnsupportedOperationException("Cannot create a name in a catch scope");
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName findExistingNameNoRecurse(String ident) {
|
||||
if (name.getIdent().equals(ident)) {
|
||||
return name;
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,78 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript conditional expression.
|
||||
*/
|
||||
public final class JsConditional extends JsExpression {
|
||||
|
||||
private JsExpression elseExpr;
|
||||
private JsExpression testExpr;
|
||||
private JsExpression thenExpr;
|
||||
|
||||
public JsConditional() {
|
||||
}
|
||||
|
||||
public JsConditional(JsExpression testExpr, JsExpression thenExpr, JsExpression elseExpr) {
|
||||
this.testExpr = testExpr;
|
||||
this.thenExpr = thenExpr;
|
||||
this.elseExpr = elseExpr;
|
||||
}
|
||||
|
||||
public JsExpression getElseExpression() {
|
||||
return elseExpr;
|
||||
}
|
||||
|
||||
public JsExpression getTestExpression() {
|
||||
return testExpr;
|
||||
}
|
||||
|
||||
public JsExpression getThenExpression() {
|
||||
return thenExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
return testExpr.hasSideEffects() || thenExpr.hasSideEffects() || elseExpr.hasSideEffects();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return thenExpr.isDefinitelyNotNull() && elseExpr.isDefinitelyNotNull();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return thenExpr.isDefinitelyNull() && elseExpr.isDefinitelyNull();
|
||||
}
|
||||
|
||||
public void setElseExpression(JsExpression elseExpr) {
|
||||
this.elseExpr = elseExpr;
|
||||
}
|
||||
|
||||
public void setTestExpression(JsExpression testExpr) {
|
||||
this.testExpr = testExpr;
|
||||
}
|
||||
|
||||
public void setThenExpression(JsExpression thenExpr) {
|
||||
this.thenExpr = thenExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
testExpr = v.accept(testExpr);
|
||||
thenExpr = v.accept(thenExpr);
|
||||
elseExpr = v.accept(elseExpr);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.CONDITIONAL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* The context in which a JsNode visitation occurs. This represents the set of
|
||||
* possible operations a JsVisitor subclass can perform on the currently visited
|
||||
* node.
|
||||
*/
|
||||
public interface JsContext {
|
||||
|
||||
boolean canInsert();
|
||||
|
||||
boolean canRemove();
|
||||
|
||||
void insertAfter(JsVisitable node);
|
||||
|
||||
void insertBefore(JsVisitable node);
|
||||
|
||||
boolean isLvalue();
|
||||
|
||||
void removeMe();
|
||||
|
||||
void replaceMe(JsVisitable node);
|
||||
}
|
||||
@@ -0,0 +1,46 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents the JavaScript continue statement.
|
||||
*/
|
||||
public final class JsContinue extends JsStatement {
|
||||
|
||||
private final JsNameRef label;
|
||||
|
||||
public JsContinue() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public JsContinue(JsNameRef label) {
|
||||
super();
|
||||
this.label = label;
|
||||
}
|
||||
|
||||
public JsNameRef getLabel() {
|
||||
return label;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
if (label != null) {
|
||||
v.accept(label);
|
||||
}
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean unconditionalControlBreak() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.CONTINUE;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,25 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript debugger statement.
|
||||
*/
|
||||
public class JsDebugger extends JsStatement {
|
||||
|
||||
public JsDebugger() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.DEBUGGER;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents the default option in a JavaScript swtich statement.
|
||||
*/
|
||||
public final class JsDefault extends JsSwitchMember {
|
||||
|
||||
public JsDefault() {
|
||||
super();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
v.acceptWithInsertRemove(stmts);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.DEFAULT;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,54 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript do..while statement.
|
||||
*/
|
||||
public class JsDoWhile extends JsStatement {
|
||||
|
||||
private JsStatement body;
|
||||
private JsExpression condition;
|
||||
|
||||
public JsDoWhile() {
|
||||
super();
|
||||
}
|
||||
|
||||
public JsDoWhile(JsExpression condition, JsStatement body) {
|
||||
super();
|
||||
this.condition = condition;
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
public JsStatement getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
public JsExpression getCondition() {
|
||||
return condition;
|
||||
}
|
||||
|
||||
public void setBody(JsStatement body) {
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
public void setCondition(JsExpression condition) {
|
||||
this.condition = condition;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
body = v.accept(body);
|
||||
condition = v.accept(condition);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.DO;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents an empty statement in JavaScript.
|
||||
*/
|
||||
public class JsEmpty extends JsStatement {
|
||||
|
||||
// Interned by JsProgram
|
||||
JsEmpty() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.EMPTY;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,36 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript expression statement.
|
||||
*/
|
||||
public final class JsExprStmt extends JsStatement {
|
||||
|
||||
private JsExpression expr;
|
||||
|
||||
public JsExprStmt(JsExpression expr) {
|
||||
super();
|
||||
this.expr = expr;
|
||||
this.setSourceInfo(expr);
|
||||
}
|
||||
|
||||
public JsExpression getExpression() {
|
||||
return expr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
expr = v.accept(expr);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.EXPR_STMT;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,52 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import com.google.dart.compiler.common.SourceInfo;
|
||||
|
||||
/**
|
||||
* An abstract base class for all JavaScript expressions.
|
||||
*/
|
||||
public abstract class JsExpression extends JsNode {
|
||||
|
||||
protected JsExpression() {
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines whether the expression can cause side effects.
|
||||
*/
|
||||
public abstract boolean hasSideEffects();
|
||||
|
||||
/**
|
||||
* True if the target expression is definitely not null.
|
||||
*/
|
||||
public abstract boolean isDefinitelyNotNull();
|
||||
|
||||
/**
|
||||
* True if the target expression is definitely null.
|
||||
*/
|
||||
public abstract boolean isDefinitelyNull();
|
||||
|
||||
/**
|
||||
* Determines whether or not this expression is a leaf, such as a
|
||||
* {@link JsNameRef}, {@link JsBooleanLiteral}, and so on. Leaf expressions
|
||||
* never need to be parenthesized.
|
||||
*/
|
||||
public boolean isLeaf() {
|
||||
// Conservatively say that it isn't a leaf.
|
||||
// Individual subclasses can speak for themselves if they are a leaf.
|
||||
return false;
|
||||
}
|
||||
|
||||
public JsExprStmt makeStmt() {
|
||||
return new JsExprStmt(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsExpression setSourceRef(SourceInfo info) {
|
||||
super.setSourceRef(info);
|
||||
return this;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,105 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import com.google.dart.compiler.common.SourceInfo;
|
||||
|
||||
/**
|
||||
* A <code>for</code> statement. If specified at all, the initializer part is
|
||||
* either a declaration of one or more variables, in which case
|
||||
* {@link #getInitVars()} is used, or an expression, in which case
|
||||
* {@link #getInitExpr()} is used. In the latter case, the comma operator is
|
||||
* often used to create a compound expression.
|
||||
*
|
||||
* <p>
|
||||
* Note that any of the parts of the <code>for</code> loop header can be
|
||||
* <code>null</code>, although the body will never be null.
|
||||
*/
|
||||
public class JsFor extends JsStatement {
|
||||
|
||||
private JsStatement body;
|
||||
private JsExpression condition;
|
||||
private JsExpression incrExpr;
|
||||
private JsExpression initExpr;
|
||||
private JsVars initVars;
|
||||
|
||||
public JsFor() {
|
||||
super();
|
||||
}
|
||||
|
||||
public JsStatement getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
public JsExpression getCondition() {
|
||||
return condition;
|
||||
}
|
||||
|
||||
public JsExpression getIncrExpr() {
|
||||
return incrExpr;
|
||||
}
|
||||
|
||||
public JsExpression getInitExpr() {
|
||||
return initExpr;
|
||||
}
|
||||
|
||||
public JsVars getInitVars() {
|
||||
return initVars;
|
||||
}
|
||||
|
||||
public void setBody(JsStatement body) {
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
public void setCondition(JsExpression condition) {
|
||||
this.condition = condition;
|
||||
}
|
||||
|
||||
public void setIncrExpr(JsExpression incrExpr) {
|
||||
this.incrExpr = incrExpr;
|
||||
}
|
||||
|
||||
public void setInitExpr(JsExpression initExpr) {
|
||||
this.initExpr = initExpr;
|
||||
}
|
||||
|
||||
public void setInitVars(JsVars initVars) {
|
||||
this.initVars = initVars;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
assert (!(initExpr != null && initVars != null));
|
||||
|
||||
if (initExpr != null) {
|
||||
initExpr = v.accept(initExpr);
|
||||
} else if (initVars != null) {
|
||||
initVars = v.accept(initVars);
|
||||
}
|
||||
|
||||
if (condition != null) {
|
||||
condition = v.accept(condition);
|
||||
}
|
||||
|
||||
if (incrExpr != null) {
|
||||
incrExpr = v.accept(incrExpr);
|
||||
}
|
||||
body = v.accept(body);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsFor setSourceRef(SourceInfo info) {
|
||||
super.setSourceRef(info);
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.FOR;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,71 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript for..in statement.
|
||||
*/
|
||||
public class JsForIn extends JsStatement {
|
||||
|
||||
private JsStatement body;
|
||||
private JsExpression iterExpr;
|
||||
private JsExpression objExpr;
|
||||
|
||||
// Optional: the name of a new iterator variable to introduce
|
||||
private final JsName iterVarName;
|
||||
|
||||
public JsForIn() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public JsForIn(JsName iterVarName) {
|
||||
this.iterVarName = iterVarName;
|
||||
}
|
||||
|
||||
public JsStatement getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
public JsExpression getIterExpr() {
|
||||
return iterExpr;
|
||||
}
|
||||
|
||||
public JsName getIterVarName() {
|
||||
return iterVarName;
|
||||
}
|
||||
|
||||
public JsExpression getObjExpr() {
|
||||
return objExpr;
|
||||
}
|
||||
|
||||
public void setBody(JsStatement body) {
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
public void setIterExpr(JsExpression iterExpr) {
|
||||
this.iterExpr = iterExpr;
|
||||
}
|
||||
|
||||
public void setObjExpr(JsExpression objExpr) {
|
||||
this.objExpr = objExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
if (iterExpr != null) {
|
||||
iterExpr = v.acceptLvalue(iterExpr);
|
||||
}
|
||||
objExpr = v.accept(objExpr);
|
||||
body = v.accept(body);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.FOR_IN;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,238 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import com.google.dart.compiler.common.SourceInfo;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript function expression.
|
||||
*/
|
||||
public final class JsFunction extends JsLiteral implements HasName {
|
||||
|
||||
private static void trace(String title, String code) {
|
||||
System.out.println("---------------------------");
|
||||
System.out.println(title + ":");
|
||||
System.out.println("---------------------------");
|
||||
System.out.println(code);
|
||||
}
|
||||
|
||||
protected JsBlock body;
|
||||
protected final List<JsParameter> params = new ArrayList<JsParameter>();
|
||||
protected final JsScope scope;
|
||||
private boolean artificiallyRescued;
|
||||
private boolean executeOnce;
|
||||
private boolean fromDart;
|
||||
private JsFunction impliedExecute;
|
||||
private JsName name;
|
||||
private boolean trace = false;
|
||||
private boolean traceFirst = true;
|
||||
private boolean hoisted = false;
|
||||
private boolean constructor = false;
|
||||
|
||||
/**
|
||||
* Creates an anonymous function.
|
||||
*/
|
||||
public JsFunction(JsScope parent) {
|
||||
this(parent, null, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a function that is not derived from Dart source.
|
||||
*/
|
||||
public JsFunction(JsScope parent, JsName name) {
|
||||
this(parent, name, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a named function, possibly derived from Dart source.
|
||||
*/
|
||||
public JsFunction(JsScope parent, JsName name, boolean fromDart) {
|
||||
assert (parent != null);
|
||||
this.fromDart = fromDart;
|
||||
setName(name);
|
||||
String scopeName = (name == null) ? "<anonymous>" : name.getIdent();
|
||||
scopeName = "function " + scopeName;
|
||||
this.scope = new JsScope(parent, scopeName);
|
||||
}
|
||||
|
||||
public JsBlock getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
/**
|
||||
* If true, this indicates that only the first invocation of the function will
|
||||
* have any effects. Subsequent invocations may be considered to be no-op
|
||||
* calls whose return value is ignored.
|
||||
*/
|
||||
public boolean getExecuteOnce() {
|
||||
return executeOnce;
|
||||
}
|
||||
|
||||
public JsFunction getImpliedExecute() {
|
||||
return impliedExecute;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setParameters(List<JsParameter> params) {
|
||||
this.params.clear();
|
||||
this.params.addAll(params);
|
||||
}
|
||||
|
||||
public List<JsParameter> getParameters() {
|
||||
return params;
|
||||
}
|
||||
|
||||
public JsScope getScope() {
|
||||
return scope;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
// If there's a name, the name is assigned to.
|
||||
return name != null;
|
||||
}
|
||||
|
||||
public boolean isArtificiallyRescued() {
|
||||
return artificiallyRescued;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean isFromDart() {
|
||||
return fromDart;
|
||||
}
|
||||
|
||||
public void setArtificiallyRescued(boolean rescued) {
|
||||
this.artificiallyRescued = rescued;
|
||||
}
|
||||
|
||||
public void setBody(JsBlock body) {
|
||||
this.body = body;
|
||||
}
|
||||
|
||||
public void setExecuteOnce(boolean executeOnce) {
|
||||
this.executeOnce = executeOnce;
|
||||
}
|
||||
|
||||
public void setFromDart(boolean fromDart) {
|
||||
this.fromDart = fromDart;
|
||||
}
|
||||
|
||||
public void setImpliedExecute(JsFunction impliedExecute) {
|
||||
this.impliedExecute = impliedExecute;
|
||||
}
|
||||
|
||||
public void setName(JsName name) {
|
||||
this.name = name;
|
||||
if (name != null) {
|
||||
if (isFromDart()) {
|
||||
name.setStaticRef(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void setTrace() {
|
||||
this.trace = true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
String before = null;
|
||||
if (trace && v instanceof JsModVisitor) {
|
||||
before = this.toSource();
|
||||
if (traceFirst) {
|
||||
traceFirst = false;
|
||||
trace("SCRIPT INITIAL", before);
|
||||
}
|
||||
}
|
||||
if (v.visit(this, ctx)) {
|
||||
v.acceptWithInsertRemove(params);
|
||||
body = v.accept(body);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
if (trace && v instanceof JsModVisitor) {
|
||||
String after = this.toSource();
|
||||
if (!after.equals(before)) {
|
||||
String title = v.getClass().getSimpleName();
|
||||
trace(title, after);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void setHoisted() {
|
||||
hoisted = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Whether the function has been hoisted
|
||||
*/
|
||||
public boolean isHoisted() {
|
||||
return hoisted;
|
||||
}
|
||||
|
||||
/**
|
||||
* Rebase the function to a new scope.
|
||||
*
|
||||
* @param newScopeParent The scope to add the function to.
|
||||
*/
|
||||
public void rebaseScope(JsScope newScopeParent) {
|
||||
this.scope.rebase(newScopeParent);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsFunction setSourceRef(SourceInfo info) {
|
||||
super.setSourceRef(info);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isConstructor() {
|
||||
return this.constructor;
|
||||
}
|
||||
|
||||
public boolean setIsConstructor(boolean constructor) {
|
||||
return this.constructor = constructor;
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.FUNCTION;
|
||||
}
|
||||
|
||||
// Pavel Talanov
|
||||
// dummy parameter to distinguish from other constructors
|
||||
private JsFunction(Void dummy, JsScope functionScope) {
|
||||
this.fromDart = false;
|
||||
this.scope = functionScope;
|
||||
}
|
||||
|
||||
public static JsFunction getAnonymousFunctionWithScope(JsScope scope) {
|
||||
return new JsFunction(null, scope);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,19 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represnts a JavaScript block in the global scope.
|
||||
*/
|
||||
public class JsGlobalBlock extends JsBlock {
|
||||
|
||||
public JsGlobalBlock() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isGlobalBlock() {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,65 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript if statement.
|
||||
*/
|
||||
public final class JsIf extends JsStatement {
|
||||
|
||||
private JsExpression ifExpr;
|
||||
private JsStatement thenStmt;
|
||||
private JsStatement elseStmt;
|
||||
|
||||
public JsIf() {
|
||||
}
|
||||
|
||||
public JsIf(JsExpression ifExpr, JsStatement thenStmt, JsStatement elseStmt) {
|
||||
this.ifExpr = ifExpr;
|
||||
this.thenStmt = thenStmt;
|
||||
this.elseStmt = elseStmt;
|
||||
}
|
||||
|
||||
public JsStatement getElseStmt() {
|
||||
return elseStmt;
|
||||
}
|
||||
|
||||
public JsExpression getIfExpr() {
|
||||
return ifExpr;
|
||||
}
|
||||
|
||||
public JsStatement getThenStmt() {
|
||||
return thenStmt;
|
||||
}
|
||||
|
||||
public void setElseStmt(JsStatement elseStmt) {
|
||||
this.elseStmt = elseStmt;
|
||||
}
|
||||
|
||||
public void setIfExpr(JsExpression ifExpr) {
|
||||
this.ifExpr = ifExpr;
|
||||
}
|
||||
|
||||
public void setThenStmt(JsStatement thenStmt) {
|
||||
this.thenStmt = thenStmt;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
ifExpr = v.accept(ifExpr);
|
||||
thenStmt = v.accept(thenStmt);
|
||||
if (elseStmt != null) {
|
||||
elseStmt = v.accept(elseStmt);
|
||||
}
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.IF;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,73 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript invocation.
|
||||
*/
|
||||
public final class JsInvocation extends JsExpression implements HasArguments {
|
||||
|
||||
private final List<JsExpression> args = new ArrayList<JsExpression>();
|
||||
private JsExpression qualifier;
|
||||
|
||||
public JsInvocation() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<JsExpression> getArguments() {
|
||||
return args;
|
||||
}
|
||||
|
||||
public JsExpression getQualifier() {
|
||||
return qualifier;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
public void setQualifier(JsExpression qualifier) {
|
||||
this.qualifier = qualifier;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
qualifier = v.accept(qualifier);
|
||||
v.acceptList(args);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.INVOKE;
|
||||
}
|
||||
|
||||
// Pavel Talanov
|
||||
public void setArguments(List<JsExpression> arguments) {
|
||||
assert this.args.isEmpty() : "Arguments already set.";
|
||||
this.args.addAll(arguments);
|
||||
}
|
||||
|
||||
public void setArguments(JsExpression... arguments) {
|
||||
setArguments(Arrays.asList(arguments));
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,45 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript label statement.
|
||||
*/
|
||||
public class JsLabel extends JsStatement implements HasName {
|
||||
|
||||
private final JsName label;
|
||||
|
||||
private JsStatement stmt;
|
||||
|
||||
public JsLabel(JsName label) {
|
||||
this.label = label;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName getName() {
|
||||
return label;
|
||||
}
|
||||
|
||||
public JsStatement getStmt() {
|
||||
return stmt;
|
||||
}
|
||||
|
||||
public void setStmt(JsStatement stmt) {
|
||||
this.stmt = stmt;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
stmt = v.accept(stmt);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.LABEL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,14 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript string literal expression.
|
||||
*/
|
||||
public abstract class JsLiteral extends JsExpression implements CanBooleanEval {
|
||||
|
||||
protected JsLiteral() {
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,189 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import com.google.dart.compiler.util.Hack;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* A visitor for iterating through and modifying an AST.
|
||||
*/
|
||||
public class JsModVisitor extends JsVisitor {
|
||||
|
||||
private class ListContext<T extends JsVisitable> implements JsContext {
|
||||
|
||||
private List<T> collection;
|
||||
private int index;
|
||||
private boolean removed;
|
||||
private boolean replaced;
|
||||
|
||||
@Override
|
||||
public boolean canInsert() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean canRemove() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void insertAfter(JsVisitable node) {
|
||||
checkRemoved();
|
||||
collection.add(index + 1, Hack.<T>cast(node));
|
||||
didChange = true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void insertBefore(JsVisitable node) {
|
||||
checkRemoved();
|
||||
collection.add(index++, Hack.<T>cast(node));
|
||||
didChange = true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isLvalue() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeMe() {
|
||||
checkState();
|
||||
collection.remove(index--);
|
||||
didChange = removed = true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void replaceMe(JsVisitable node) {
|
||||
checkState();
|
||||
checkReplacement(collection.get(index), node);
|
||||
collection.set(index, Hack.<T>cast(node));
|
||||
didChange = replaced = true;
|
||||
}
|
||||
|
||||
protected void traverse(List<T> collection) {
|
||||
this.collection = collection;
|
||||
for (index = 0; index < collection.size(); ++index) {
|
||||
removed = replaced = false;
|
||||
doTraverse(collection.get(index), this);
|
||||
}
|
||||
}
|
||||
|
||||
private void checkRemoved() {
|
||||
if (removed) {
|
||||
throw new RuntimeException("Node was already removed");
|
||||
}
|
||||
}
|
||||
|
||||
private void checkState() {
|
||||
checkRemoved();
|
||||
if (replaced) {
|
||||
throw new RuntimeException("Node was already replaced");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private class LvalueContext extends NodeContext<JsExpression> {
|
||||
@Override
|
||||
public boolean isLvalue() {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
private class NodeContext<T extends JsVisitable> implements JsContext {
|
||||
private T node;
|
||||
private boolean replaced;
|
||||
|
||||
@Override
|
||||
public boolean canInsert() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean canRemove() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void insertAfter(JsVisitable node) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void insertBefore(JsVisitable node) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isLvalue() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeMe() {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void replaceMe(JsVisitable node) {
|
||||
if (replaced) {
|
||||
throw new RuntimeException("Node was already replaced");
|
||||
}
|
||||
checkReplacement(this.node, node);
|
||||
this.node = Hack.<T>cast(node);
|
||||
didChange = replaced = true;
|
||||
}
|
||||
|
||||
protected T traverse(T node) {
|
||||
this.node = node;
|
||||
replaced = false;
|
||||
doTraverse(node, this);
|
||||
return this.node;
|
||||
}
|
||||
}
|
||||
|
||||
protected static <T extends JsVisitable> void checkReplacement(T origNode, T newNode) {
|
||||
if (newNode == null) {
|
||||
throw new RuntimeException("Cannot replace with null");
|
||||
}
|
||||
if (newNode == origNode) {
|
||||
throw new RuntimeException("The replacement is the same as the original");
|
||||
}
|
||||
}
|
||||
|
||||
protected boolean didChange = false;
|
||||
|
||||
@Override
|
||||
public boolean didChange() {
|
||||
return didChange;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected <T extends JsVisitable> T doAccept(T node) {
|
||||
return new NodeContext<T>().traverse(node);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected <T extends JsVisitable> void doAcceptList(List<T> collection) {
|
||||
NodeContext<T> ctx = new NodeContext<T>();
|
||||
for (int i = 0, c = collection.size(); i < c; ++i) {
|
||||
ctx.traverse(collection.get(i));
|
||||
if (ctx.replaced) {
|
||||
collection.set(i, ctx.node);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JsExpression doAcceptLvalue(JsExpression expr) {
|
||||
return new LvalueContext().traverse(expr);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected <T extends JsVisitable> void doAcceptWithInsertRemove(List<T> collection) {
|
||||
new ListContext<T>().traverse(collection);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,102 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
/**
|
||||
* An abstract base class for named JavaScript objects.
|
||||
*/
|
||||
public class JsName implements Serializable {
|
||||
private final JsScope enclosing;
|
||||
private final String ident;
|
||||
private boolean isObfuscatable;
|
||||
private String shortIdent;
|
||||
private String originalName;
|
||||
|
||||
/**
|
||||
* A back-reference to the JsNode that the JsName refers to.
|
||||
*/
|
||||
private JsNode staticRef;
|
||||
|
||||
/**
|
||||
* @param ident the unmangled ident to use for this name
|
||||
*/
|
||||
JsName(JsScope enclosing, String ident, String shortIdent, String originalName) {
|
||||
this.enclosing = enclosing;
|
||||
this.ident = ident;
|
||||
this.shortIdent = shortIdent;
|
||||
if (originalName != null) {
|
||||
this.originalName = originalName;
|
||||
}
|
||||
this.isObfuscatable = true;
|
||||
}
|
||||
|
||||
public JsScope getEnclosing() {
|
||||
return enclosing;
|
||||
}
|
||||
|
||||
public String getIdent() {
|
||||
return ident;
|
||||
}
|
||||
|
||||
public String getShortIdent() {
|
||||
return shortIdent;
|
||||
}
|
||||
|
||||
public String getOriginalName() {
|
||||
return originalName;
|
||||
}
|
||||
|
||||
public JsNode getStaticRef() {
|
||||
return staticRef;
|
||||
}
|
||||
|
||||
public boolean isObfuscatable() {
|
||||
return isObfuscatable;
|
||||
}
|
||||
|
||||
public JsNameRef makeRef() {
|
||||
return new JsNameRef(this);
|
||||
}
|
||||
|
||||
public void setObfuscatable(boolean isObfuscatable) {
|
||||
this.isObfuscatable = isObfuscatable;
|
||||
}
|
||||
|
||||
public void setShortIdent(String shortIdent) {
|
||||
this.shortIdent = shortIdent;
|
||||
}
|
||||
|
||||
/**
|
||||
* Should never be called except on immutable stuff.
|
||||
*/
|
||||
public void setStaticRef(JsNode node) {
|
||||
this.staticRef = node;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return ident;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return ident.hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (!(obj instanceof JsName)) {
|
||||
return false;
|
||||
}
|
||||
JsName other = (JsName) obj;
|
||||
return ident.equals(other.ident) && enclosing == other.enclosing;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,113 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript expression that references a name.
|
||||
*/
|
||||
public final class JsNameRef extends JsExpression implements CanBooleanEval, HasName {
|
||||
|
||||
private String ident;
|
||||
private JsName name;
|
||||
private JsExpression qualifier;
|
||||
|
||||
public JsNameRef(JsName name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public JsNameRef(String ident) {
|
||||
this.ident = ident;
|
||||
}
|
||||
|
||||
public String getIdent() {
|
||||
return (name == null) ? ident : name.getIdent();
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public JsExpression getQualifier() {
|
||||
return qualifier;
|
||||
}
|
||||
|
||||
public String getShortIdent() {
|
||||
return (name == null) ? ident : name.getShortIdent();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
if (qualifier == null) {
|
||||
return false;
|
||||
}
|
||||
if (!qualifier.isDefinitelyNotNull()) {
|
||||
// Could trigger NPE.
|
||||
return true;
|
||||
}
|
||||
return qualifier.hasSideEffects();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return isDefinitelyNull();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
// TODO: look for single-assignment of stuff from Java?
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
if (name != null) {
|
||||
return (name.getEnclosing().getProgram().getUndefinedLiteral().getName() == name);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isLeaf() {
|
||||
if (qualifier == null) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isResolved() {
|
||||
return name != null;
|
||||
}
|
||||
|
||||
public void resolve(JsName name) {
|
||||
this.name = name;
|
||||
this.ident = null;
|
||||
}
|
||||
|
||||
public void setQualifier(JsExpression qualifier) {
|
||||
this.qualifier = qualifier;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
if (qualifier != null) {
|
||||
qualifier = v.accept(qualifier);
|
||||
}
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.NAME_REF;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Represents the JavaScript new expression.
|
||||
*/
|
||||
public final class JsNew extends JsExpression implements HasArguments {
|
||||
|
||||
private final List<JsExpression> args = new ArrayList<JsExpression>();
|
||||
private JsExpression ctorExpr;
|
||||
|
||||
public JsNew(JsExpression ctorExpr) {
|
||||
this.ctorExpr = ctorExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<JsExpression> getArguments() {
|
||||
return args;
|
||||
}
|
||||
|
||||
public void setArguments(List<JsExpression> arguments) {
|
||||
args.clear();
|
||||
args.addAll(arguments);
|
||||
}
|
||||
|
||||
public JsExpression getConstructorExpression() {
|
||||
return ctorExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
// Sadly, in JS it can be!
|
||||
// TODO: analysis could probably determine most instances cannot be null.
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
ctorExpr = v.accept(ctorExpr);
|
||||
v.acceptList(args);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.NEW;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,50 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import com.google.dart.compiler.backend.js.JsSourceGenerationVisitor;
|
||||
import com.google.dart.compiler.backend.js.JsToStringGenerationVisitor;
|
||||
import com.google.dart.compiler.common.AbstractNode;
|
||||
import com.google.dart.compiler.common.SourceInfo;
|
||||
import com.google.dart.compiler.util.DefaultTextOutput;
|
||||
|
||||
/**
|
||||
* Base class for all JS AST elements.
|
||||
*/
|
||||
public abstract class JsNode extends AbstractNode implements JsVisitable {
|
||||
|
||||
protected JsNode() {
|
||||
}
|
||||
|
||||
// Causes source generation to delegate to the one visitor
|
||||
public final String toSource() {
|
||||
DefaultTextOutput out = new DefaultTextOutput(false);
|
||||
JsSourceGenerationVisitor v = new JsSourceGenerationVisitor(out);
|
||||
v.accept(this);
|
||||
return out.toString();
|
||||
}
|
||||
|
||||
// Causes source generation to delegate to the one visitor
|
||||
@Override
|
||||
public final String toString() {
|
||||
DefaultTextOutput out = new DefaultTextOutput(false);
|
||||
JsToStringGenerationVisitor v = new JsToStringGenerationVisitor(out);
|
||||
v.accept(this);
|
||||
return out.toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public SourceInfo getSourceInfo() {
|
||||
return this;
|
||||
}
|
||||
|
||||
public JsNode setSourceRef(SourceInfo info) {
|
||||
if (info != null) {
|
||||
this.setSourceInfo(info);
|
||||
}
|
||||
return this;
|
||||
}
|
||||
|
||||
public abstract NodeKind getKind();
|
||||
}
|
||||
@@ -0,0 +1,46 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript null literal.
|
||||
*/
|
||||
public final class JsNullLiteral extends JsValueLiteral {
|
||||
|
||||
// Should only be instantiated in JsProgram
|
||||
JsNullLiteral() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.NULL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,53 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Represents a JavaScript literal decimal expression.
|
||||
*/
|
||||
public final class JsNumberLiteral extends JsValueLiteral {
|
||||
|
||||
private final double value;
|
||||
|
||||
// Should be interned by JsProgram
|
||||
JsNumberLiteral(double value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
public double getValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return value == 0.0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return value != 0.0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.NUMBER;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,72 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* A JavaScript object literal.
|
||||
*/
|
||||
public final class JsObjectLiteral extends JsLiteral {
|
||||
|
||||
private final List<JsPropertyInitializer> props;
|
||||
|
||||
public JsObjectLiteral() {
|
||||
props = new ArrayList<JsPropertyInitializer>();
|
||||
}
|
||||
|
||||
public JsObjectLiteral(List<JsPropertyInitializer> props) {
|
||||
assert props != null;
|
||||
this.props = props;
|
||||
}
|
||||
|
||||
public List<JsPropertyInitializer> getPropertyInitializers() {
|
||||
return props;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasSideEffects() {
|
||||
for (JsPropertyInitializer prop : props) {
|
||||
if (prop.hasSideEffects()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
v.acceptWithInsertRemove(props);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.OBJECT;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript operator.
|
||||
*/
|
||||
public interface JsOperator {
|
||||
|
||||
int INFIX = 0x02;
|
||||
int LEFT = 0x01;
|
||||
int POSTFIX = 0x04;
|
||||
int PREFIX = 0x08;
|
||||
|
||||
int getPrecedence();
|
||||
|
||||
String getSymbol();
|
||||
|
||||
boolean isKeyword();
|
||||
|
||||
boolean isLeftAssociative();
|
||||
|
||||
boolean isPrecedenceLessThan(JsOperator other);
|
||||
|
||||
boolean isValidInfix();
|
||||
|
||||
boolean isValidPostfix();
|
||||
|
||||
boolean isValidPrefix();
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript parameter.
|
||||
*/
|
||||
public final class JsParameter extends JsNode implements HasName {
|
||||
|
||||
private final JsName name;
|
||||
|
||||
public JsParameter(JsName name) {
|
||||
this.name = name;
|
||||
name.setStaticRef(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public JsName getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
v.visit(this, ctx);
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.PARAMETER;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,42 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript postfix operation.
|
||||
*/
|
||||
public final class JsPostfixOperation extends JsUnaryOperation {
|
||||
|
||||
public JsPostfixOperation(JsUnaryOperator op) {
|
||||
this(op, null);
|
||||
}
|
||||
|
||||
public JsPostfixOperation(JsUnaryOperator op, JsExpression arg) {
|
||||
super(op, arg);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
super.traverse(v, ctx);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.POSTFIX_OP;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,69 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* A JavaScript prefix operation.
|
||||
*/
|
||||
public final class JsPrefixOperation extends JsUnaryOperation implements CanBooleanEval {
|
||||
|
||||
public JsPrefixOperation(JsUnaryOperator op) {
|
||||
this(op, null);
|
||||
}
|
||||
|
||||
public JsPrefixOperation(JsUnaryOperator op, JsExpression arg) {
|
||||
super(op, arg);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanFalse() {
|
||||
if (getOperator() == JsUnaryOperator.VOID) {
|
||||
return true;
|
||||
}
|
||||
if (getOperator() == JsUnaryOperator.NOT && getArg() instanceof CanBooleanEval) {
|
||||
CanBooleanEval eval = (CanBooleanEval) getArg();
|
||||
return eval.isBooleanTrue();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBooleanTrue() {
|
||||
if (getOperator() == JsUnaryOperator.NOT && getArg() instanceof CanBooleanEval) {
|
||||
CanBooleanEval eval = (CanBooleanEval) getArg();
|
||||
return eval.isBooleanFalse();
|
||||
}
|
||||
if (getOperator() == JsUnaryOperator.TYPEOF) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNotNull() {
|
||||
if (getOperator() == JsUnaryOperator.TYPEOF) {
|
||||
return true;
|
||||
}
|
||||
return getOperator() != JsUnaryOperator.VOID;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDefinitelyNull() {
|
||||
return getOperator() == JsUnaryOperator.VOID;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
super.traverse(v, ctx);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.PREFIX_OP;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,174 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* A JavaScript program.
|
||||
*/
|
||||
public final class JsProgram extends JsNode {
|
||||
|
||||
private final JsStatement debuggerStmt;
|
||||
private final JsEmpty emptyStmt;
|
||||
private final JsBooleanLiteral falseLiteral;
|
||||
private JsProgramFragment[] fragments;
|
||||
private final Map<String, JsFunction> indexedFunctions = new HashMap<String, JsFunction>();
|
||||
private final JsNullLiteral nullLiteral;
|
||||
private final Map<Double, JsNumberLiteral> numberLiteralMap =
|
||||
new HashMap<Double, JsNumberLiteral>();
|
||||
private final JsScope objectScope;
|
||||
private final JsRootScope rootScope;
|
||||
private final Map<String, JsStringLiteral> stringLiteralMap =
|
||||
new HashMap<String, JsStringLiteral>();
|
||||
private final JsScope topScope;
|
||||
private final JsBooleanLiteral trueLiteral;
|
||||
|
||||
/**
|
||||
* Constructs a JavaScript program object.
|
||||
*/
|
||||
public JsProgram(String unitId) {
|
||||
rootScope = new JsRootScope(this);
|
||||
topScope = new JsScope(rootScope, "Global", unitId);
|
||||
objectScope = new JsScope(rootScope, "Object");
|
||||
setFragmentCount(1);
|
||||
|
||||
debuggerStmt = new JsDebugger();
|
||||
emptyStmt = new JsEmpty();
|
||||
falseLiteral = new JsBooleanLiteral(false);
|
||||
nullLiteral = new JsNullLiteral();
|
||||
trueLiteral = new JsBooleanLiteral(true);
|
||||
}
|
||||
|
||||
public JsBooleanLiteral getBooleanLiteral(boolean truth) {
|
||||
if (truth) {
|
||||
return getTrueLiteral();
|
||||
}
|
||||
return getFalseLiteral();
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the {@link JsStatement} to use whenever parsed source include a
|
||||
* <code>debugger</code> statement.
|
||||
*/
|
||||
public JsStatement getDebuggerStmt() {
|
||||
return debuggerStmt;
|
||||
}
|
||||
|
||||
public JsEmpty getEmptyStmt() {
|
||||
return emptyStmt;
|
||||
}
|
||||
|
||||
public JsBooleanLiteral getFalseLiteral() {
|
||||
return falseLiteral;
|
||||
}
|
||||
|
||||
public JsBlock getFragmentBlock(int fragment) {
|
||||
if (fragment < 0 || fragment >= fragments.length) {
|
||||
throw new IllegalArgumentException("Invalid fragment: " + fragment);
|
||||
}
|
||||
return fragments[fragment].getGlobalBlock();
|
||||
}
|
||||
|
||||
public int getFragmentCount() {
|
||||
return this.fragments.length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the one and only global block.
|
||||
*/
|
||||
public JsBlock getGlobalBlock() {
|
||||
return getFragmentBlock(0);
|
||||
}
|
||||
|
||||
public JsFunction getIndexedFunction(String name) {
|
||||
return indexedFunctions.get(name);
|
||||
}
|
||||
|
||||
public JsNullLiteral getNullLiteral() {
|
||||
return nullLiteral;
|
||||
}
|
||||
|
||||
public JsNumberLiteral getNumberLiteral(double value) {
|
||||
JsNumberLiteral lit = numberLiteralMap.get(value);
|
||||
if (lit == null) {
|
||||
lit = new JsNumberLiteral(value);
|
||||
numberLiteralMap.put(value, lit);
|
||||
}
|
||||
|
||||
return lit;
|
||||
}
|
||||
|
||||
public JsScope getObjectScope() {
|
||||
return objectScope;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the quasi-mythical root scope. This is not the same as the top scope;
|
||||
* all unresolvable identifiers wind up here, because they are considered
|
||||
* external to the program.
|
||||
*/
|
||||
public JsRootScope getRootScope() {
|
||||
return rootScope;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the top level scope. This is the scope of all the statements in the
|
||||
* main program.
|
||||
*/
|
||||
public JsScope getScope() {
|
||||
return topScope;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates or retrieves a JsStringLiteral from an interned object pool.
|
||||
*/
|
||||
public JsStringLiteral getStringLiteral(String value) {
|
||||
JsStringLiteral lit = stringLiteralMap.get(value);
|
||||
if (lit == null) {
|
||||
lit = new JsStringLiteral(value);
|
||||
stringLiteralMap.put(value, lit);
|
||||
}
|
||||
return lit;
|
||||
}
|
||||
|
||||
public JsBooleanLiteral getTrueLiteral() {
|
||||
return trueLiteral;
|
||||
}
|
||||
|
||||
public JsNameRef getUndefinedLiteral() {
|
||||
return new JsNameRef("$Dart$Null");
|
||||
}
|
||||
|
||||
public void setFragmentCount(int fragments) {
|
||||
this.fragments = new JsProgramFragment[fragments];
|
||||
for (int i = 0; i < fragments; i++) {
|
||||
this.fragments[i] = new JsProgramFragment();
|
||||
}
|
||||
}
|
||||
|
||||
public void setIndexedFunctions(Map<String, JsFunction> indexedFunctions) {
|
||||
this.indexedFunctions.clear();
|
||||
this.indexedFunctions.putAll(indexedFunctions);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
for (JsProgramFragment fragment : fragments) {
|
||||
v.accept(fragment);
|
||||
}
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.PROGRAM;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* One independently loadable fragment of a {@link JsProgram}.
|
||||
*/
|
||||
public class JsProgramFragment extends JsNode {
|
||||
|
||||
private final JsGlobalBlock globalBlock;
|
||||
|
||||
public JsProgramFragment() {
|
||||
this.globalBlock = new JsGlobalBlock();
|
||||
}
|
||||
|
||||
public JsBlock getGlobalBlock() {
|
||||
return globalBlock;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
v.accept(globalBlock);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.PROGRAM_FRAGMENT;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,56 @@
|
||||
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
package com.google.dart.compiler.backend.js.ast;
|
||||
|
||||
/**
|
||||
* Used in object literals to specify property values by name.
|
||||
*/
|
||||
public class JsPropertyInitializer extends JsNode {
|
||||
|
||||
private JsExpression labelExpr;
|
||||
private JsExpression valueExpr;
|
||||
|
||||
public JsPropertyInitializer() {
|
||||
}
|
||||
|
||||
public JsPropertyInitializer(JsExpression labelExpr, JsExpression valueExpr) {
|
||||
this.labelExpr = labelExpr;
|
||||
this.valueExpr = valueExpr;
|
||||
}
|
||||
|
||||
public JsExpression getLabelExpr() {
|
||||
return labelExpr;
|
||||
}
|
||||
|
||||
public JsExpression getValueExpr() {
|
||||
return valueExpr;
|
||||
}
|
||||
|
||||
public boolean hasSideEffects() {
|
||||
return labelExpr.hasSideEffects() || valueExpr.hasSideEffects();
|
||||
}
|
||||
|
||||
public void setLabelExpr(JsExpression labelExpr) {
|
||||
this.labelExpr = labelExpr;
|
||||
}
|
||||
|
||||
public void setValueExpr(JsExpression valueExpr) {
|
||||
this.valueExpr = valueExpr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void traverse(JsVisitor v, JsContext ctx) {
|
||||
if (v.visit(this, ctx)) {
|
||||
labelExpr = v.accept(labelExpr);
|
||||
valueExpr = v.accept(valueExpr);
|
||||
}
|
||||
v.endVisit(this, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NodeKind getKind() {
|
||||
return NodeKind.PROPERTY_INIT;
|
||||
}
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user