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The case of @This at constructor entry point fixed

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This commit is contained in:
Andrey Breslav
2013-05-12 17:59:42 +03:00
parent 098cf477f4
commit 31ce4d85e8
1 changed files with 16 additions and 7 deletions
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compiler/preloader/instrumentation/src/org/jetbrains/jet/preloading/instrumentation/InterceptionInstrumenter.java
+16 -7
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@@ -324,7 +324,7 @@ public class InterceptionInstrumenter {
if (enterDataWritten) return;
enterDataWritten = true;
for (MethodData methodData : enterData) {
invokeMethod(access, name, desc, getInstructionAdapter(), methodData);
invokeMethod(access, name, desc, getInstructionAdapter(), methodData, "<init>".equals(name));
}
}
@@ -340,7 +340,7 @@ public class InterceptionInstrumenter {
case ARETURN:
case ATHROW:
for (MethodData methodData : exitData) {
invokeMethod(access, name, desc, getInstructionAdapter(), methodData);
invokeMethod(access, name, desc, getInstructionAdapter(), methodData, false);
}
break;
}
@@ -361,11 +361,11 @@ public class InterceptionInstrumenter {
}
}
private TraceMethodVisitor getDumpingVisitorWrapper(MethodVisitor mv, final String name, final String desc) {
private TraceMethodVisitor getDumpingVisitorWrapper(MethodVisitor mv, final String methodName, final String methodDesc) {
return new TraceMethodVisitor(mv, new Textifier() {
@Override
public void visitMethodEnd() {
System.out.println(cr.getClassName() + ":" + name + desc);
System.out.println(cr.getClassName() + ":" + methodName + methodDesc);
for (Object line : getText()) {
System.out.print(line);
}
@@ -379,7 +379,14 @@ public class InterceptionInstrumenter {
return cw.toByteArray();
}
private static void invokeMethod(int access, String instrumentedMethodName, String instrumentedMethodDesc, InstructionAdapter ia, MethodData methodData) {
private static void invokeMethod(
int access,
String instrumentedMethodName,
String instrumentedMethodDesc,
InstructionAdapter ia,
MethodData methodData,
boolean constructorEntryPoint
) {
FieldData field = methodData.getOwnerField();
ia.getstatic(field.getDeclaringClass(), field.getName(), field.getDesc());
ia.checkcast(field.getRuntimeType());
@@ -392,8 +399,10 @@ public class InterceptionInstrumenter {
int parameterOffset = 0;
for (int i = 0; i < parameterCount; i++) {
if (i == methodData.getThisParameterIndex()) {
if (isStatic) {
// static method, 'this' is null
if (isStatic || constructorEntryPoint) {
// a) static method, 'this' is null
// b) At the very beginning of a constructor, i.e. before any super() call, 'this' is not available
// It's too hard to detect a place right after the super() call, so we just put null instead of 'this' in such cases
ia.aconst(null);
}
else {