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org.codehaus.groovy.classgen.asm.util.LoggableTextifier Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.codehaus.groovy.classgen.asm.util;
import org.codehaus.groovy.control.CompilerConfiguration;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.TypePath;
import org.objectweb.asm.util.Printer;
import org.objectweb.asm.util.Textifier;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* Logging bytecode generation, which can make debugging easy
*
* @since 2.5.0
*/
public class LoggableTextifier extends Textifier {
private final CompilerConfiguration compilerConfiguration;
private final PrintWriter out;
private int lineCount;
public LoggableTextifier() {
this(CompilerConfiguration.DEFAULT);
}
public LoggableTextifier(final CompilerConfiguration compilerConfiguration) {
super(CompilerConfiguration.ASM_API_VERSION);
this.compilerConfiguration = compilerConfiguration;
this.out = Optional.ofNullable(compilerConfiguration.getOutput()).orElseGet(() -> new PrintWriter(System.out, true));
}
@Override
protected Textifier createTextifier() {
return new LoggableTextifier(compilerConfiguration);
}
protected void log() {
int textSize = text.size();
List bcList = new ArrayList<>();
for (int i = lineCount; i < textSize; i += 1) {
Object bc = text.get(i);
if (!(bc instanceof List && ((List) bc).isEmpty())) {
bcList.add(bc);
}
}
if (!bcList.isEmpty()) {
out.print(getInvocationPositionInfo());
for (Object bc : bcList) {
out.print(bc);
}
}
lineCount = textSize;
}
private String getInvocationPositionInfo() {
int maxDepth = compilerConfiguration.getLogClassgenStackTraceMaxDepth();
return maxDepth <= 0 ? "" : Arrays.stream(new Throwable().getStackTrace()).filter(stackTraceElement ->
stackTraceElement.getClassName().contains(".groovy.") && !stackTraceElement.getClassName().endsWith(".LoggableTextifier")
).map(stackTraceElement ->
String.format("%30s// %s#%s:%s%n", "", stackTraceElement.getClassName(), stackTraceElement.getMethodName(), stackTraceElement.getLineNumber())
).limit(maxDepth).collect(Collectors.joining());
}
//--------------------------------------------------------------------------
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
super.visit(version, access, name, signature, superName, interfaces);
log();
}
@Override
public void visitSource(String file, String debug) {
super.visitSource(file, debug);
log();
}
@Override
public Printer visitModule(final String name, final int access, final String version) {
Printer p = super.visitModule(name, access, version);
log();
return p;
}
@Override
public void visitOuterClass(String owner, String name, String desc) {
super.visitOuterClass(owner, name, desc);
log();
}
@Override
public Textifier visitClassAnnotation(String desc, boolean visible) {
Textifier t = super.visitClassAnnotation(desc, visible);
log();
return t;
}
@Override
public Printer visitClassTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Printer t = super.visitClassTypeAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public void visitClassAttribute(Attribute attr) {
super.visitClassAttribute(attr);
log();
}
@Override
public void visitInnerClass(String name, String outerName, String innerName, int access) {
super.visitInnerClass(name, outerName, innerName, access);
log();
}
@Override
public Textifier visitField(int access, String name, String desc, String signature, Object value) {
Textifier t = super.visitField(access, name, desc, signature, value);
log();
return t;
}
@Override
public Textifier visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
Textifier t = super.visitMethod(access, name, desc, signature, exceptions);
log();
return t;
}
@Override
public void visitClassEnd() {
super.visitClassEnd();
log();
}
@Override
public void visitRequire(String require, int access, String version) {
super.visitRequire(require, access, version);
log();
}
@Override
public void visitExport(String export, int access, String... modules) {
super.visitExport(export, access, modules);
log();
}
@Override
public void visitUse(String use) {
super.visitUse(use);
log();
}
@Override
public void visitProvide(String provide, String... providers) {
super.visitProvide(provide, providers);
log();
}
@Override
public void visitModuleEnd() {
super.visitModuleEnd();
log();
}
@Override
public void visit(String name, Object value) {
super.visit(name, value);
log();
}
@Override
public void visitEnum(String name, String desc, String value) {
super.visitEnum(name, desc, value);
log();
}
@Override
public Textifier visitAnnotation(String name, String desc) {
Textifier t = super.visitAnnotation(name, desc);
log();
return t;
}
@Override
public Textifier visitArray(String name) {
Textifier t = super.visitArray(name);
log();
return t;
}
@Override
public void visitAnnotationEnd() {
super.visitAnnotationEnd();
log();
}
@Override
public Textifier visitFieldAnnotation(String desc, boolean visible) {
Textifier t = super.visitFieldAnnotation(desc, visible);
log();
return t;
}
@Override
public Printer visitFieldTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Printer t = super.visitFieldTypeAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public void visitFieldAttribute(Attribute attr) {
super.visitFieldAttribute(attr);
log();
}
@Override
public void visitFieldEnd() {
super.visitFieldEnd();
log();
}
@Override
public void visitParameter(String name, int access) {
super.visitParameter(name, access);
log();
}
@Override
public Textifier visitAnnotationDefault() {
Textifier t = super.visitAnnotationDefault();
log();
return t;
}
@Override
public Textifier visitMethodAnnotation(String desc, boolean visible) {
Textifier t = super.visitMethodAnnotation(desc, visible);
log();
return t;
}
@Override
public Printer visitMethodTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Printer t = super.visitMethodTypeAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public Textifier visitParameterAnnotation(int parameter, String desc, boolean visible) {
Textifier t = super.visitParameterAnnotation(parameter, desc, visible);
log();
return t;
}
@Override
public void visitMethodAttribute(Attribute attr) {
super.visitMethodAttribute(attr);
log();
}
@Override
public void visitCode() {
super.visitCode();
log();
}
@Override
public void visitFrame(int type, int nLocal, Object[] local, int nStack, Object[] stack) {
super.visitFrame(type, nLocal, local, nStack, stack);
log();
}
@Override
public void visitInsn(int opcode) {
super.visitInsn(opcode);
log();
}
@Override
public void visitIntInsn(int opcode, int operand) {
super.visitIntInsn(opcode, operand);
log();
}
@Override
public void visitVarInsn(int opcode, int varIndex) {
super.visitVarInsn(opcode, varIndex);
log();
}
@Override
public void visitTypeInsn(int opcode, String type) {
super.visitTypeInsn(opcode, type);
log();
}
@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
super.visitFieldInsn(opcode, owner, name, desc);
log();
}
@Override
@Deprecated
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
super.visitMethodInsn(opcode, owner, name, desc);
log();
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
super.visitMethodInsn(opcode, owner, name, desc, itf);
log();
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
log();
}
@Override
public void visitJumpInsn(int opcode, Label label) {
super.visitJumpInsn(opcode, label);
log();
}
@Override
public void visitLabel(Label label) {
super.visitLabel(label);
log();
}
@Override
public void visitLdcInsn(Object cst) {
super.visitLdcInsn(cst);
log();
}
@Override
public void visitIincInsn(int varIndex, int increment) {
super.visitIincInsn(varIndex, increment);
log();
}
@Override
public void visitTableSwitchInsn(int min, int max, Label dflt, Label... labels) {
super.visitTableSwitchInsn(min, max, dflt, labels);
log();
}
@Override
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
super.visitLookupSwitchInsn(dflt, keys, labels);
log();
}
@Override
public void visitMultiANewArrayInsn(String desc, int dims) {
super.visitMultiANewArrayInsn(desc, dims);
log();
}
@Override
public Printer visitInsnAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Printer t = super.visitInsnAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public void visitTryCatchBlock(Label start, Label end, Label handler, String type) {
super.visitTryCatchBlock(start, end, handler, type);
log();
}
@Override
public Printer visitTryCatchAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Printer t = super.visitTryCatchAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index) {
super.visitLocalVariable(name, desc, signature, start, end, index);
log();
}
@Override
public Printer visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String desc, boolean visible) {
Printer t = super.visitLocalVariableAnnotation(typeRef, typePath, start, end, index, desc, visible);
log();
return t;
}
@Override
public void visitLineNumber(int line, Label start) {
super.visitLineNumber(line, start);
log();
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
super.visitMaxs(maxStack, maxLocals);
log();
}
@Override
public void visitMethodEnd() {
super.visitMethodEnd();
log();
}
@Override
public Textifier visitAnnotation(String desc, boolean visible) {
Textifier t = super.visitAnnotation(desc, visible);
log();
return t;
}
@Override
public Textifier visitTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
Textifier t = super.visitTypeAnnotation(typeRef, typePath, desc, visible);
log();
return t;
}
@Override
public void visitAttribute(Attribute attr) {
super.visitAttribute(attr);
log();
}
@Override
public void visitNestHost(String nestHost) {
super.visitNestHost(nestHost);
log();
}
@Override
public void visitNestMember(String nestMember) {
super.visitNestMember(nestMember);
log();
}
@Override
public void visitMainClass(String mainClass) {
super.visitMainClass(mainClass);
log();
}
@Override
public void visitPackage(String packaze) {
super.visitPackage(packaze);
log();
}
@Override
public void visitOpen(String packaze, int access, String... modules) {
super.visitOpen(packaze, access, modules);
log();
}
@Override
public Textifier visitAnnotableParameterCount(int parameterCount, boolean visible) {
Textifier t = super.visitAnnotableParameterCount(parameterCount, visible);
log();
return t;
}
@Override
public Printer visitRecordComponent(String name, String descriptor, String signature) {
Printer p = super.visitRecordComponent(name, descriptor, signature);
log();
return p;
}
@Override
public Textifier visitRecordComponentAnnotation(String descriptor, boolean visible) {
Textifier t = super.visitRecordComponentAnnotation(descriptor, visible);
log();
return t;
}
@Override
public Printer visitRecordComponentTypeAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible) {
Printer p = super.visitRecordComponentTypeAnnotation(typeRef, typePath, descriptor, visible);
log();
return p;
}
@Override
public void visitRecordComponentAttribute(Attribute attribute) {
super.visitRecordComponentAttribute(attribute);
log();
}
@Override
public void visitRecordComponentEnd() {
super.visitRecordComponentEnd();
log();
}
@Override
public void visitPermittedSubclass(String permittedSubclass) {
super.visitPermittedSubclass(permittedSubclass);
log();
}
}
