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wasm gc: fix issues in Java 17 switch expression and metaprogramming API

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This commit is contained in:
Alexey Andreev 2024-09-23 20:23:24 +02:00
parent f85aa977eb
commit f8022f9465
3 changed files with 39 additions and 12 deletions
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16
core/src/main/java/org/teavm/backend/wasm/generate/gc/classes/WasmGCClassGenerator.java
View File

@ -134,7 +134,7 @@ public class WasmGCClassGenerator implements WasmGCClassInfoProvider, WasmGCInit
private int classNameOffset;
private int classSimpleNameOffset;
private int classCanonicalNameOffset;
private int classParentOffset;
private int classParentOffset = -1;
private int classArrayOffset;
private int classArrayItemOffset;
private int classNewArrayOffset;
@ -1438,12 +1438,14 @@ public class WasmGCClassGenerator implements WasmGCClassInfoProvider, WasmGCInit
classTagOffset,
new WasmInt32Constant(0)
));
function.getBody().add(new WasmStructSet(
standardClasses.classClass().getStructure(),
new WasmGetLocal(targetVar),
classParentOffset,
new WasmGetGlobal(standardClasses.objectClass().pointer)
));
if (classParentOffset >= 0) {
function.getBody().add(new WasmStructSet(
standardClasses.classClass().getStructure(),
new WasmGetLocal(targetVar),
classParentOffset,
new WasmGetGlobal(standardClasses.objectClass().pointer)
));
}
return function;
}

5
core/src/main/java/org/teavm/backend/wasm/generate/gc/methods/WasmGCGenerationVisitor.java
View File

@ -480,9 +480,10 @@ public class WasmGCGenerationVisitor extends BaseWasmGenerationVisitor {
canInsertCast = false;
} else if (!sourceStruct.isSupertypeOf(targetStruct)) {
var block = new WasmBlock(false);
block.setType(targetType);
block.setLocation(expr.getLocation());
block.getBody().add(result);
block.getBody().add(new WasmUnreachable());
block.getBody().add(new WasmDrop(result));
block.getBody().add(new WasmNullConstant(targetType));
result = block;
return;
}

30
metaprogramming/impl/src/main/java/org/teavm/metaprogramming/impl/CompositeMethodGenerator.java
View File

@ -878,7 +878,15 @@ public class CompositeMethodGenerator {
case "get": {
Variable var = program.createVariable();
GetFieldInstruction insn = new GetFieldInstruction();
insn.setInstance(!field.field.hasModifier(ElementModifier.STATIC) ? var(arguments.get(0)) : null);
if (!field.field.hasModifier(ElementModifier.STATIC)) {
var cast = new CastInstruction();
cast.setReceiver(program.createVariable());
cast.setValue(var(arguments.get(0)));
cast.setWeak(true);
cast.setTargetType(ValueType.object(field.field.getOwnerName()));
add(cast);
insn.setInstance(cast.getReceiver());
}
insn.setReceiver(var);
insn.setField(field.getBackingField().getReference());
insn.setFieldType(field.getBackingField().getType());
@ -895,7 +903,15 @@ public class CompositeMethodGenerator {
}
case "set": {
PutFieldInstruction insn = new PutFieldInstruction();
insn.setInstance(!field.field.hasModifier(ElementModifier.STATIC) ? var(arguments.get(0)) : null);
if (!field.field.hasModifier(ElementModifier.STATIC)) {
var cast = new CastInstruction();
cast.setReceiver(program.createVariable());
cast.setValue(var(arguments.get(0)));
cast.setWeak(true);
cast.setTargetType(ValueType.object(field.field.getOwnerName()));
add(cast);
insn.setInstance(cast.getReceiver());
}
insn.setValue(unbox(var(arguments.get(1)), field.getBackingField().getType()));
insn.setField(field.getBackingField().getReference());
insn.setFieldType(field.getBackingField().getType());
@ -930,7 +946,15 @@ public class CompositeMethodGenerator {
switch (method.getName()) {
case "invoke": {
InvokeInstruction insn = new InvokeInstruction();
insn.setInstance(!Modifier.isStatic(reflectMethod.getModifiers()) ? var(arguments.get(0)) : null);
if (!Modifier.isStatic(reflectMethod.getModifiers())) {
var cast = new CastInstruction();
cast.setReceiver(program.createVariable());
cast.setValue(var(arguments.get(0)));
cast.setWeak(true);
cast.setTargetType(ValueType.object(reflectMethod.method.getOwnerName()));
add(cast);
insn.setInstance(cast.getReceiver());
}
insn.setType(Modifier.isStatic(reflectMethod.getModifiers()) ? InvocationType.SPECIAL
: InvocationType.VIRTUAL);
insn.setMethod(reflectMethod.method.getReference());