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Extracted generator of ranges into GenerateRanges class.

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This commit is contained in:
Evgeny Gerashchenko
2012-11-12 18:18:02 +04:00
parent 97d749f361
commit 666aecf716
2 changed files with 115 additions and 54 deletions
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generators/org/jetbrains/jet/generators/GenerateRanges.java
+112
View File
@@ -0,0 +1,112 @@
/*
* Copyright 2010-2012 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.
*/
package org.jetbrains.jet.generators;
import com.intellij.openapi.util.io.FileUtil;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.List;
public class GenerateRanges {
public static void main(String[] args) throws IOException {
PrintStream out = new PrintStream(new FileOutputStream("runtime/src/jet/runtime/Ranges.java"));
try {
String copyright = "injector-generator/copyright.txt";
out.println(FileUtil.loadFile(new File(copyright)));
out.println();
out.println("package jet.runtime;");
out.println();
out.println("import jet.*;");
out.println();
out.println("/* This file is generated by " + GenerateRanges.class.getName() + ". DO NOT EDIT! */");
out.println("public class Ranges {");
List<String> strings = Arrays.asList("byte", "short", "int", "long", "float", "double", "char");
for (String t1 : strings) {
for (String t2 : strings) {
String resType;
if (t1.equals("double") || t2.equals("double")) {
resType = "DoubleRange";
}
else if (t1.equals("float") || t2.equals("float")) {
resType = "FloatRange";
}
else if (t1.equals("long") || t2.equals("long")) {
resType = "LongRange";
}
else if (t1.equals("int") || t2.equals("int")) {
resType = "IntRange";
}
else if (t1.equals("short") || t2.equals("short")) {
resType = "ShortRange";
}
else if (t1.equals("char") || t2.equals("char")) {
resType = "CharRange";
}
else {
resType = "ByteRange";
}
if (resType.equals("FloatRange") || resType.equals("DoubleRange")) {
out.println(" public static " + resType + " rangeTo(" + t1 + " from, " + t2 + " to) {");
out.println(" return new " + resType + "(from, to - from);");
out.println(" }");
out.println();
}
else {
String castIfNecessary;
if (t1.equals("byte") && t2.equals("char") || t1.equals("char") && t2.equals("short")) {
castIfNecessary = "(" + t2 + ") ";
}
else {
castIfNecessary = "";
}
out.println(" public static " + resType + " rangeTo(" + t1 + " from, " + t2 + " to) {");
out.println(" if (from > to) {");
out.println(" return " + resType + ".EMPTY;");
out.println(" }");
out.println(" else {");
out.println(" return new " + resType + "(" + castIfNecessary + "from, to - from + 1);");
out.println(" }");
out.println(" }");
out.println();
}
}
}
out.println(" private Ranges() {}");
out.println("}");
}
finally {
out.close();
}
}
private GenerateRanges() {
}
}
runtime/src/jet/runtime/Ranges.java
+3 -54
View File
@@ -14,20 +14,13 @@
* limitations under the License.
*/
package jet.runtime;
import jet.*;
import java.util.Arrays;
import java.util.List;
/**
* @author alex.tkachman
*/
/* This file is generated by org.jetbrains.jet.generators.GenerateRanges. DO NOT EDIT! */
public class Ranges {
private Ranges() {
}
public static ByteRange rangeTo(byte from, byte to) {
if (from > to) {
return ByteRange.EMPTY;
@@ -349,49 +342,5 @@ public class Ranges {
}
}
public static void main(String[] args) {
List<String> strings = Arrays.asList("byte", "short", "int", "long", "float", "double", "char");
for (String t1 : strings) {
for (String t2 : strings) {
String resType;
if (t1.equals("double") || t2.equals("double")) {
resType = "DoubleRange";
}
else if (t1.equals("float") || t2.equals("float")) {
resType = "FloatRange";
}
else if (t1.equals("long") || t2.equals("long")) {
resType = "LongRange";
}
else if (t1.equals("int") || t2.equals("int")) {
resType = "IntRange";
}
else if (t1.equals("short") || t2.equals("short")) {
resType = "ShortRange";
}
else if (t1.equals("char") || t2.equals("char")) {
resType = "CharRange";
}
else {
resType = "ByteRange";
}
if (resType.equals("FloatRange") || resType.equals("DoubleRange")) {
System.out.println("\npublic static " + resType + " rangeTo(" + t1 + " from, " + t2 + " to) {\n" +
" return new " + resType + "(from, to - from);\n" +
"}");
}
else {
System.out.println("\npublic static " + resType + " rangeTo(" + t1 + " from, " + t2 + " to) {" +
"\n if (from > to) {\n" +
" return " + resType + ".EMPTY;\n" +
" }\n" +
" else {\n" +
" return new " + resType + "(from, to - from + 1);\n" +
" }\n" +
"}");
}
}
}
}
private Ranges() {}
}