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Implements transformer that substitutes all invocations of resources

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with ResourcesAccessor
This commit is contained in:
konsoletyper 2014-06-06 17:02:34 +04:00
parent 7e3d62a85d
commit 8956e8b8d0
2 changed files with 124 additions and 31 deletions
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4
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceAccessor.java
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@ -26,11 +26,11 @@ final class ResourceAccessor {
public static native Object get(Object obj, int index);
public static native Object add(Object obj, Object elem);
public static native void add(Object obj, Object elem);
public static native boolean has(Object obj, String key);
public static native boolean size(Object obj);
public static native int size(Object obj);
public static native int castToInt(Object obj);

151
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceTransformer.java
View File

@ -16,14 +16,14 @@
package org.teavm.platform.plugin;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.teavm.model.*;
import org.teavm.model.instructions.EmptyInstruction;
import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.instructions.StringConstantInstruction;
import org.teavm.model.instructions.*;
import org.teavm.platform.metadata.Resource;
import org.teavm.platform.metadata.ResourceArray;
import org.teavm.platform.metadata.ResourceMap;
/**
*
@ -67,21 +67,35 @@ class ResourceTransformer implements ClassHolderTransformer {
return null;
}
MethodReference method = insn.getMethod();
if (method.getClassName().equals(ResourceArray.class.getName()) ||
method.getClassName().equals(ResourceMap.class.getName())) {
InvokeInstruction accessInsn = new InvokeInstruction();
accessInsn.setType(InvocationType.SPECIAL);
ValueType[] types = new ValueType[method.getDescriptor().parameterCount() + 2];
types[0] = ValueType.object("java.lang.Object");
System.arraycopy(method.getDescriptor().getSignature(), 0, types, 1,
method.getDescriptor().parameterCount() + 1);
accessInsn.setMethod(new MethodReference(ResourceAccessor.class.getName(), method.getName(), types));
accessInsn.getArguments().add(insn.getInstance());
accessInsn.getArguments().addAll(insn.getArguments());
accessInsn.setReceiver(insn.getReceiver());
return Arrays.<Instruction>asList(accessInsn);
}
ClassReader iface = innerSource.get(method.getClassName());
if (iface.getAnnotations().get(Resource.class.getName()) == null) {
return null;
}
if (method.getName().startsWith("get")) {
if (method.getName().length() > 3) {
return transformGetterInvocation(insn, method.getName().substring(3));
return transformGetterInvocation(insn, getPropertyName(method.getName().substring(3)));
}
} else if (method.getName().startsWith("is")) {
if (method.getName().length() > 2) {
return transformGetterInvocation(insn, method.getName().substring(2));
return transformGetterInvocation(insn, getPropertyName(method.getName().substring(2)));
}
} else if (method.getName().startsWith("set")) {
if (method.getName().length() > 3) {
return transformSetterInvocation(insn, method.getName().substring(3));
return transformSetterInvocation(insn, getPropertyName(method.getName().substring(3)));
}
}
return null;
@ -92,39 +106,118 @@ class ResourceTransformer implements ClassHolderTransformer {
return Collections.emptyList();
}
ValueType type = insn.getMethod().getDescriptor().getResultType();
Program program = insn.getProgram();
List<Instruction> instructions = new ArrayList<>();
if (type instanceof ValueType.Primitive) {
switch (((ValueType.Primitive)type).getKind()) {
case BOOLEAN:
Variable nameVar = program.createVariable();
Variable resultVar = program.createVariable();
StringConstantInstruction nameInsn = new StringConstantInstruction();
nameInsn.setConstant(property);
nameInsn.setReceiver(nameVar);
instructions.add(nameInsn);
InvokeInstruction accessorInvoke = new InvokeInstruction();
accessorInvoke.setType(InvocationType.SPECIAL);
accessorInvoke.setMethod(new MethodReference(ResourceAccessor.class, "get",
Object.class, String.class, Object.class));
accessorInvoke.getArguments().add(insn.getInstance());
accessorInvoke.getArguments().add(nameVar);
accessorInvoke.setReceiver(resultVar);
instructions.add(accessorInvoke);
InvokeInstruction castInvoke = new InvokeInstruction();
castInvoke.setType(InvocationType.SPECIAL);
castInvoke.setMethod(new MethodReference(ResourceAccessor.class, "castToBoolean", Object.class,
boolean.class));
castInvoke.getArguments().add(resultVar);
castInvoke.setReceiver(insn.getReceiver());
getAndCastProperty(insn, property, instructions, boolean.class);
return instructions;
case BYTE:
getAndCastProperty(insn, property, instructions, byte.class);
return instructions;
case SHORT:
getAndCastProperty(insn, property, instructions, short.class);
return instructions;
case INTEGER:
getAndCastProperty(insn, property, instructions, int.class);
return instructions;
case FLOAT:
getAndCastProperty(insn, property, instructions, float.class);
return instructions;
case DOUBLE:
getAndCastProperty(insn, property, instructions, double.class);
return instructions;
case CHARACTER:
case LONG:
break;
}
} else if (type instanceof ValueType.Object) {
switch (((ValueType.Object)type).getClassName()) {
case "java.lang.Boolean":
getAndCastPropertyToWrapper(insn, property, instructions, boolean.class, Boolean.class);
return instructions;
case "java.lang.Byte":
getAndCastPropertyToWrapper(insn, property, instructions, byte.class, Byte.class);
return instructions;
case "java.lang.Short":
getAndCastPropertyToWrapper(insn, property, instructions, short.class, Short.class);
return instructions;
case "java.lang.Integer":
getAndCastPropertyToWrapper(insn, property, instructions, int.class, Integer.class);
return instructions;
case "java.lang.Float":
getAndCastPropertyToWrapper(insn, property, instructions, float.class, Float.class);
return instructions;
case "java.lang.Double":
getAndCastPropertyToWrapper(insn, property, instructions, double.class, Double.class);
return instructions;
default: {
Variable resultVar = insn.getProgram().createVariable();
getProperty(insn, property, instructions, resultVar);
CastInstruction castInsn = new CastInstruction();
castInsn.setReceiver(insn.getReceiver());
castInsn.setTargetType(type);
castInsn.setValue(resultVar);
instructions.add(castInsn);
return instructions;
}
}
}
return null;
}
private void getProperty(InvokeInstruction insn, String property, List<Instruction> instructions,
Variable resultVar) {
Program program = insn.getProgram();
Variable nameVar = program.createVariable();
StringConstantInstruction nameInsn = new StringConstantInstruction();
nameInsn.setConstant(property);
nameInsn.setReceiver(nameVar);
instructions.add(nameInsn);
InvokeInstruction accessorInvoke = new InvokeInstruction();
accessorInvoke.setType(InvocationType.SPECIAL);
accessorInvoke.setMethod(new MethodReference(ResourceAccessor.class, "get",
Object.class, String.class, Object.class));
accessorInvoke.getArguments().add(insn.getInstance());
accessorInvoke.getArguments().add(nameVar);
accessorInvoke.setReceiver(resultVar);
instructions.add(accessorInvoke);
}
private void getAndCastProperty(InvokeInstruction insn, String property, List<Instruction> instructions,
Class<?> primitive) {
Program program = insn.getProgram();
Variable resultVar = program.createVariable();
getProperty(insn, property, instructions, resultVar);
InvokeInstruction castInvoke = new InvokeInstruction();
castInvoke.setType(InvocationType.SPECIAL);
String primitiveCapitalized = primitive.getName();
primitiveCapitalized = Character.toUpperCase(primitiveCapitalized.charAt(0)) +
primitiveCapitalized.substring(1);
castInvoke.setMethod(new MethodReference(ResourceAccessor.class, "castTo" + primitiveCapitalized,
Object.class, primitive));
castInvoke.getArguments().add(resultVar);
castInvoke.setReceiver(insn.getReceiver());
instructions.add(castInvoke);
}
private void getAndCastPropertyToWrapper(InvokeInstruction insn, String property, List<Instruction> instructions,
Class<?> primitive, Class<?> wrapper) {
Program program = insn.getProgram();
Variable resultVar = program.createVariable();
getProperty(insn, property, instructions, resultVar);
InvokeInstruction castInvoke = new InvokeInstruction();
castInvoke.setType(InvocationType.SPECIAL);
String primitiveCapitalized = primitive.getName();
primitiveCapitalized = Character.toUpperCase(primitiveCapitalized.charAt(0)) +
primitiveCapitalized.substring(1);
castInvoke.setMethod(new MethodReference(ResourceAccessor.class, "castTo" + primitiveCapitalized + "Primitive",
Object.class, wrapper));
castInvoke.getArguments().add(resultVar);
castInvoke.setReceiver(insn.getReceiver());
instructions.add(castInvoke);
}
private List<Instruction> transformSetterInvocation(InvokeInstruction insn, String property) {
return null;
}