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org.jetbrains.jet.codegen.AbstractClassBuilder Maven / Gradle / Ivy
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.jet.codegen;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.resolve.java.diagnostics.JvmDeclarationOrigin;
import org.jetbrains.org.objectweb.asm.*;
public abstract class AbstractClassBuilder implements ClassBuilder {
protected static final MethodVisitor EMPTY_METHOD_VISITOR = new MethodVisitor(Opcodes.ASM5) {};
protected static final FieldVisitor EMPTY_FIELD_VISITOR = new FieldVisitor(Opcodes.ASM5) {};
private String thisName;
private final JvmSerializationBindings serializationBindings = new JvmSerializationBindings();
public static class Concrete extends AbstractClassBuilder {
private final ClassVisitor v;
public Concrete(@NotNull ClassVisitor v) {
this.v = v;
}
@Override
@NotNull
public ClassVisitor getVisitor() {
return v;
}
}
@Override
@NotNull
public FieldVisitor newField(
@NotNull JvmDeclarationOrigin origin,
int access,
@NotNull String name,
@NotNull String desc,
@Nullable String signature,
@Nullable Object value
) {
FieldVisitor visitor = getVisitor().visitField(access, name, desc, signature, value);
if (visitor == null) {
return EMPTY_FIELD_VISITOR;
}
return visitor;
}
@Override
@NotNull
public MethodVisitor newMethod(
@NotNull JvmDeclarationOrigin origin,
int access,
@NotNull String name,
@NotNull String desc,
@Nullable String signature,
@Nullable String[] exceptions
) {
MethodVisitor visitor = getVisitor().visitMethod(access, name, desc, signature, exceptions);
if (visitor == null) {
return EMPTY_METHOD_VISITOR;
}
return visitor;
}
@Override
@NotNull
public JvmSerializationBindings getSerializationBindings() {
return serializationBindings;
}
@Override
@NotNull
public AnnotationVisitor newAnnotation(@NotNull String desc, boolean visible) {
return getVisitor().visitAnnotation(desc, visible);
}
@Override
public void done() {
getVisitor().visitEnd();
}
@Override
public void defineClass(
@Nullable PsiElement origin,
int version,
int access,
@NotNull String name,
@Nullable String signature,
@NotNull String superName,
@NotNull String[] interfaces
) {
thisName = name;
getVisitor().visit(version, access, name, signature, superName, interfaces);
}
@Override
public void visitSource(@NotNull String name, @Nullable String debug) {
getVisitor().visitSource(name, debug);
}
@Override
public void visitOuterClass(@NotNull String owner, @Nullable String name, @Nullable String desc) {
getVisitor().visitOuterClass(owner, name, desc);
}
@Override
public void visitInnerClass(@NotNull String name, @Nullable String outerName, @Nullable String innerName, int access) {
getVisitor().visitInnerClass(name, outerName, innerName, access);
}
@Override
@NotNull
public String getThisName() {
assert thisName != null : "This name isn't set";
return thisName;
}
}