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Proper order of arguments in array setter calls

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This commit is contained in:
Andrey Breslav
2013-12-03 17:59:47 +04:00
parent 163e5cfbb4
commit a5854560f0
5 changed files with 67 additions and 33 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetControlFlowProcessor.java
+17 -11
View File
@@ -269,10 +269,7 @@ public class JetControlFlowProcessor {
}
}
else if (operationType == JetTokens.EQ) {
if (right != null) {
generateInstructions(right, false);
}
visitAssignment(expression.getLeft(), expression);
visitAssignment(expression.getLeft(), right, expression);
}
else if (OperatorConventions.ASSIGNMENT_OPERATIONS.containsKey(operationType)) {
if (generateCall(operationReference)) {
@@ -282,7 +279,7 @@ public class JetControlFlowProcessor {
Name assignMethodName = OperatorConventions.getNameForOperationSymbol((JetToken) expression.getOperationToken());
if (!descriptor.getName().equals(assignMethodName)) {
// plus() called, assignment needed
visitAssignment(expression.getLeft(), expression);
visitAssignment(expression.getLeft(), null, expression);
}
}
else {
@@ -347,18 +344,22 @@ public class JetControlFlowProcessor {
}
}
private void visitAssignment(JetExpression lhs, JetExpression parentExpression) {
private void visitAssignment(JetExpression lhs, @Nullable JetExpression rhs, JetExpression parentExpression) {
JetExpression left = JetPsiUtil.deparenthesize(lhs);
if (left == null) {
builder.compilationError(lhs, "No lValue in assignment");
return;
}
if (left instanceof JetArrayAccessExpression) {
generateArrayAccess((JetArrayAccessExpression) left);
recordWrite(left, parentExpression);
return;
}
if (left instanceof JetSimpleNameExpression) {
// Do nothing, only record write below
}
else if (left instanceof JetArrayAccessExpression) {
generateArrayAccess((JetArrayAccessExpression) left);
}
else if (left instanceof JetQualifiedExpression) {
// read the receiver
generateInstructions(((JetQualifiedExpression) left).getReceiverExpression(), false);
@@ -370,6 +371,11 @@ public class JetControlFlowProcessor {
builder.unsupported(parentExpression); // TODO
}
generateInstructions(rhs, false);
recordWrite(left, parentExpression);
}
private void recordWrite(JetExpression left, JetExpression parentExpression) {
VariableDescriptor descriptor = BindingContextUtils.extractVariableDescriptorIfAny(trace.getBindingContext(), left, false);
if (descriptor != null) {
builder.write(parentExpression, left);
@@ -408,7 +414,7 @@ public class JetControlFlowProcessor {
boolean incrementOrDecrement = isIncrementOrDecrement(operationType);
if (incrementOrDecrement) {
// We skip dup's and other subtleties here
visitAssignment(baseExpression, expression);
visitAssignment(baseExpression, null, expression);
}
}
}
@@ -797,7 +803,7 @@ public class JetControlFlowProcessor {
JetExpression initializer = property.getInitializer();
if (initializer != null) {
generateInstructions(initializer, false);
visitAssignment(property, property);
visitAssignment(property, null, property);
}
JetExpression delegate = property.getDelegateExpression();
if (delegate != null) {
compiler/testData/cfg/ArrayAccess.instructions
+22 -22
View File
@@ -11,29 +11,29 @@ fun foo() {
---------------------
L0:
<START> NEXT:[v(val a = Array<Int>)] PREV:[]
v(val a = Array<Int>) NEXT:[r(Array)] PREV:[<START>]
r(Array) NEXT:[r(Array<Int>)] PREV:[v(val a = Array<Int>)]
r(Array<Int>) NEXT:[w(a)] PREV:[r(Array)]
w(a) NEXT:[r(3)] PREV:[r(Array<Int>)]
r(3) NEXT:[r(4)] PREV:[w(a)]
r(4) NEXT:[r(10)] PREV:[r(3)]
r(10) NEXT:[r(a)] PREV:[r(4)]
r(a) NEXT:[r(=)] PREV:[r(10)]
r(=) NEXT:[w(a[10])] PREV:[r(a)]
w(a[10]) NEXT:[r(2)] PREV:[r(=)]
r(2) NEXT:[r(10)] PREV:[w(a[10])]
r(10) NEXT:[r(a)] PREV:[r(2)]
r(a) NEXT:[r(a[10])] PREV:[r(10)]
r(a[10]) NEXT:[r(100)] PREV:[r(a)]
r(100) NEXT:[r(10)] PREV:[r(a[10])]
r(10) NEXT:[r(a)] PREV:[r(100)]
r(a) NEXT:[r(a[10])] PREV:[r(10)]
r(a[10]) NEXT:[r(1)] PREV:[r(a)]
r(1) NEXT:[r(+=)] PREV:[r(a[10])]
r(+=) NEXT:[w(a[10])] PREV:[r(1)]
w(a[10]) NEXT:[<END>] PREV:[r(+=)]
v(val a = Array<Int>) NEXT:[call(Array, <init>)] PREV:[<START>]
call(Array, <init>) NEXT:[w(a)] PREV:[v(val a = Array<Int>)]
w(a) NEXT:[r(3)] PREV:[call(Array, <init>)]
r(3) NEXT:[r(a)] PREV:[w(a)]
r(a) NEXT:[r(10)] PREV:[r(3)]
r(10) NEXT:[r(4)] PREV:[r(a)]
r(4) NEXT:[call(a[10], set)] PREV:[r(10)]
call(a[10], set) NEXT:[r(2)] PREV:[r(4)]
r(2) NEXT:[r(a)] PREV:[call(a[10], set)]
r(a) NEXT:[r(10)] PREV:[r(2)]
r(10) NEXT:[call(a[10], get)] PREV:[r(a)]
call(a[10], get) NEXT:[r(100)] PREV:[r(10)]
r(100) NEXT:[r(a)] PREV:[call(a[10], get)]
r(a) NEXT:[r(10)] PREV:[r(100)]
r(10) NEXT:[call(a[10], get)] PREV:[r(a)]
call(a[10], get) NEXT:[r(1)] PREV:[r(10)]
r(1) NEXT:[call(+=, plus)] PREV:[call(a[10], get)]
call(+=, plus) NEXT:[r(a)] PREV:[r(1)]
r(a) NEXT:[r(10)] PREV:[call(+=, plus)]
r(10) NEXT:[call(a[10], set)] PREV:[r(a)]
call(a[10], get) NEXT:[<END>] PREV:[r(10)]
L1:
<END> NEXT:[<SINK>] PREV:[w(a[10])]
<END> NEXT:[<SINK>] PREV:[call(a[10], get)]
error:
<ERROR> NEXT:[<SINK>] PREV:[]
sink:
compiler/testData/cfg/arraySet.instructions
+20
View File
@@ -0,0 +1,20 @@
== foo ==
fun foo(a: Array<Int>) {
a[1] = 2
}
---------------------
L0:
<START> NEXT:[v(a: Array<Int>)] PREV:[]
v(a: Array<Int>) NEXT:[w(a)] PREV:[<START>]
w(a) NEXT:[r(a)] PREV:[v(a: Array<Int>)]
r(a) NEXT:[r(1)] PREV:[w(a)]
r(1) NEXT:[r(2)] PREV:[r(a)]
r(2) NEXT:[call(a[1], set)] PREV:[r(1)]
call(a[1], set) NEXT:[<END>] PREV:[r(2)]
L1:
<END> NEXT:[<SINK>] PREV:[call(a[1], set)]
error:
<ERROR> NEXT:[<SINK>] PREV:[]
sink:
<SINK> NEXT:[] PREV:[<ERROR>, <END>]
=====================
compiler/testData/cfg/arraySet.kt
+3
View File
@@ -0,0 +1,3 @@
fun foo(a: Array<Int>) {
a[1] = 2
}
compiler/tests/org/jetbrains/jet/cfg/ControlFlowTestGenerated.java
+5
View File
@@ -51,6 +51,11 @@ public class ControlFlowTestGenerated extends AbstractControlFlowTest {
doTest("compiler/testData/cfg/arrayAccessExpression.kt");
}
@TestMetadata("arraySet.kt")
public void testArraySet() throws Exception {
doTest("compiler/testData/cfg/arraySet.kt");
}
@TestMetadata("Assignments.kt")
public void testAssignments() throws Exception {
doTest("compiler/testData/cfg/Assignments.kt");