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Minor refactoring of TImpl codegen

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Use early returns, rename some variables, etc
This commit is contained in:
Alexander Udalov
2013-03-15 20:30:51 +04:00
parent 905ea962d8
commit 8afa46ed6d
1 changed files with 87 additions and 90 deletions
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compiler/backend/src/org/jetbrains/jet/codegen/ImplementationBodyCodegen.java
+23 -26
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@@ -1351,31 +1351,34 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
}
private void generateDelegationToTraitImpl(FunctionDescriptor fun, @NotNull FunctionDescriptor inheritedFun) {
private void generateDelegationToTraitImpl(@NotNull FunctionDescriptor fun, @NotNull FunctionDescriptor inheritedFun) {
DeclarationDescriptor containingDeclaration = fun.getContainingDeclaration();
if (containingDeclaration instanceof ClassDescriptor) {
ClassDescriptor declaration = (ClassDescriptor) containingDeclaration;
if (declaration.getKind() == ClassKind.TRAIT) {
if (!(containingDeclaration instanceof ClassDescriptor)) {
return;
}
ClassDescriptor containingClass = (ClassDescriptor) containingDeclaration;
if (containingClass.getKind() != ClassKind.TRAIT) {
return;
}
int flags = ACC_PUBLIC; // TODO.
Method function;
Method functionOriginal;
if (fun instanceof PropertyAccessorDescriptor) {
PropertyDescriptor property = ((PropertyAccessorDescriptor) fun).getCorrespondingProperty();
PropertyDescriptor original = property.getOriginal();
if (fun instanceof PropertyGetterDescriptor) {
function = typeMapper.mapGetterSignature(property, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
functionOriginal =
typeMapper.mapGetterSignature(property.getOriginal(), OwnerKind.IMPLEMENTATION).getJvmMethodSignature()
.getAsmMethod();
functionOriginal = typeMapper.mapGetterSignature(original, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
}
else if (fun instanceof PropertySetterDescriptor) {
function = typeMapper.mapSetterSignature(property, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
functionOriginal =
typeMapper.mapSetterSignature(property.getOriginal(), OwnerKind.IMPLEMENTATION).getJvmMethodSignature()
.getAsmMethod();
functionOriginal = typeMapper.mapSetterSignature(original, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
}
else {
throw new IllegalStateException("Accessor is neither getter, nor setter, what is it?");
throw new IllegalStateException("Accessor is neither getter, nor setter, what is it? " + fun);
}
}
else {
@@ -1392,6 +1395,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
isCallInsideSameClassAsDeclared(inheritedFun, context),
isCallInsideSameModuleAsDeclared(inheritedFun, context),
OwnerKind.IMPLEMENTATION).getSignature();
JetMethodAnnotationWriter aw = JetMethodAnnotationWriter.visitAnnotation(mv);
int kotlinFlags = getFlagsForVisibility(fun.getVisibility());
if (fun instanceof PropertyAccessorDescriptor) {
@@ -1400,8 +1404,6 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
aw.writePropertyType(jvmSignature.getKotlinReturnType());
}
else {
JetType returnType = fun.getReturnType();
assert returnType != null;
aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
aw.writeReturnType(jvmSignature.getKotlinReturnType());
}
@@ -1415,8 +1417,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
else if (state.getClassBuilderMode() == ClassBuilderMode.FULL) {
mv.visitCode();
FrameMap frameMap = context.prepareFrame(state.getTypeMapper());
ExpressionCodegen codegen =
new ExpressionCodegen(mv, frameMap, jvmSignature.getAsmMethod().getReturnType(), context, state);
ExpressionCodegen codegen = new ExpressionCodegen(mv, frameMap, jvmSignature.getAsmMethod().getReturnType(), context, state);
codegen.generateThisOrOuter(descriptor, false); // ??? wouldn't it be addClosureToConstructorParameters good idea to put it?
Type[] argTypes = function.getArgumentTypes();
@@ -1430,24 +1431,20 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
reg += argTypes[i].getSize();
}
Type type = getTraitImplThisParameterType(declaration, typeMapper);
Type type = getTraitImplThisParameterType(containingClass, typeMapper);
String functionDescriptor = functionOriginal.getDescriptor().replace("(", "(" + type.getDescriptor());
String fdescriptor = functionOriginal.getDescriptor().replace("(", "(" + type.getDescriptor());
Type type1 =
typeMapper.mapType(((ClassDescriptor) fun.getContainingDeclaration()).getDefaultType(), JetTypeMapperMode.TRAIT_IMPL);
iv.invokestatic(type1.getInternalName(), function.getName(), fdescriptor);
if (function.getReturnType().getSort() == Type.OBJECT &&
!function.getReturnType().equals(functionOriginal.getReturnType())) {
iv.checkcast(function.getReturnType());
}
Type tImplType = typeMapper.mapType(containingClass.getDefaultType(), JetTypeMapperMode.TRAIT_IMPL);
iv.invokestatic(tImplType.getInternalName(), function.getName(), functionDescriptor);
StackValue.onStack(functionOriginal.getReturnType()).put(function.getReturnType(), iv);
iv.areturn(function.getReturnType());
FunctionCodegen.endVisit(iv, "trait method", callableDescriptorToDeclaration(bindingContext, fun));
}
FunctionCodegen.generateBridgeIfNeeded(context, state, v, function, fun);
}
}
}
private void generateDelegatorToConstructorCall(
InstructionAdapter iv, ExpressionCodegen codegen,