mirror of
https://github.com/openjdk/jdk.git
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8294969: Convert jdk.jdeps javap to use the Classfile API
Reviewed-by: vromero
This commit is contained in:
Adam Sotona
parent
fbc766ee21
commit
1203e11a8d
29 changed files with 2012 additions and 2870 deletions
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@ -25,11 +25,8 @@
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package com.sun.tools.javap;
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import com.sun.tools.classfile.ClassFile;
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import com.sun.tools.classfile.ConstantPool;
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import com.sun.tools.classfile.ConstantPoolException;
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import static com.sun.tools.classfile.ConstantPool.*;
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import jdk.internal.classfile.constantpool.*;
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import static jdk.internal.classfile.Classfile.*;
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/*
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* Write a constant pool entry.
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@ -55,122 +52,11 @@ public class ConstantWriter extends BasicWriter {
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}
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protected void writeConstantPool() {
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ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
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var constant_pool = classWriter.getClassModel().constantPool();
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writeConstantPool(constant_pool);
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}
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protected void writeConstantPool(ConstantPool constant_pool) {
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ConstantPool.Visitor<Integer, Void> v = new ConstantPool.Visitor<>() {
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public Integer visitClass(CONSTANT_Class_info info, Void p) {
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print("#" + info.name_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitDouble(CONSTANT_Double_info info, Void p) {
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println(stringValue(info));
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return 2;
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}
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public Integer visitFieldref(CONSTANT_Fieldref_info info, Void p) {
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print("#" + info.class_index + ".#" + info.name_and_type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitFloat(CONSTANT_Float_info info, Void p) {
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println(stringValue(info));
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return 1;
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}
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public Integer visitInteger(CONSTANT_Integer_info info, Void p) {
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println(stringValue(info));
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return 1;
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}
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public Integer visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, Void p) {
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print("#" + info.class_index + ".#" + info.name_and_type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitInvokeDynamic(CONSTANT_InvokeDynamic_info info, Void p) {
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print("#" + info.bootstrap_method_attr_index + ":#" + info.name_and_type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitDynamicConstant(CONSTANT_Dynamic_info info, Void p) {
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print("#" + info.bootstrap_method_attr_index + ":#" + info.name_and_type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitLong(CONSTANT_Long_info info, Void p) {
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println(stringValue(info));
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return 2;
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}
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public Integer visitMethodref(CONSTANT_Methodref_info info, Void p) {
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print("#" + info.class_index + ".#" + info.name_and_type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitMethodHandle(CONSTANT_MethodHandle_info info, Void p) {
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print(info.reference_kind.tag + ":#" + info.reference_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitMethodType(CONSTANT_MethodType_info info, Void p) {
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print("#" + info.descriptor_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitModule(CONSTANT_Module_info info, Void p) {
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print("#" + info.name_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitNameAndType(CONSTANT_NameAndType_info info, Void p) {
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print("#" + info.name_index + ":#" + info.type_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitPackage(CONSTANT_Package_info info, Void p) {
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print("#" + info.name_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitString(CONSTANT_String_info info, Void p) {
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print("#" + info.string_index);
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tab();
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println("// " + stringValue(info));
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return 1;
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}
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public Integer visitUtf8(CONSTANT_Utf8_info info, Void p) {
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println(stringValue(info));
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return 1;
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}
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};
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println("Constant pool:");
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indent(+1);
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int width = String.valueOf(constant_pool.size()).length() + 1;
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@ -178,321 +64,228 @@ public class ConstantWriter extends BasicWriter {
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while (cpx < constant_pool.size()) {
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print(String.format("%" + width + "s", ("#" + cpx)));
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try {
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CPInfo cpInfo = constant_pool.get(cpx);
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print(String.format(" = %-18s ", cpTagName(cpInfo)));
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cpx += cpInfo.accept(v, null);
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} catch (ConstantPool.InvalidIndex ex) {
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// should not happen
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var cpInfo = constant_pool.entryByIndex(cpx);
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print(String.format(" = %-18s ", cpTagName(cpInfo.tag())));
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switch (cpInfo) {
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case ClassEntry info -> {
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print(() -> "#" + info.name().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case AnnotationConstantValueEntry info -> {
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println(() -> stringValue(info));
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}
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case MemberRefEntry info -> {
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print(() -> "#" + info.owner().index() + ".#"
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+ info.nameAndType().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case DynamicConstantPoolEntry info -> {
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print(() -> "#" + info.bootstrapMethodIndex() + ":#"
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+ info.nameAndType().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case MethodHandleEntry info -> {
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print(() -> info.kind() + ":#" + info.reference().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case MethodTypeEntry info -> {
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print(() -> "#" + info.descriptor().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case ModuleEntry info -> {
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print(() -> "#" + info.name().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case NameAndTypeEntry info -> {
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print(() -> "#" + info.name().index() + ":#" + info.type().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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case PackageEntry info -> {
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print(() -> "#" + info.name().index());
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tab();
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println("// " + stringValue(info));
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}
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case StringEntry info -> {
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print(() -> "#" + info.utf8().index());
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tab();
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println(() -> "// " + stringValue(info));
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}
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default ->
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throw new IllegalArgumentException("unknown entry: "+ cpInfo);
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}
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cpx += cpInfo.width();
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} catch (IllegalArgumentException e) {
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println(report(e));
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cpx++;
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}
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}
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indent(-1);
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}
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protected void write(int cpx) {
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ClassFile classFile = classWriter.getClassFile();
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if (cpx == 0) {
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print("#0");
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return;
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}
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var classModel = classWriter.getClassModel();
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CPInfo cpInfo;
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try {
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cpInfo = classFile.constant_pool.get(cpx);
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} catch (ConstantPoolException e) {
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print("#" + cpx);
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return;
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}
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int tag = cpInfo.getTag();
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switch (tag) {
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case CONSTANT_Methodref:
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case CONSTANT_InterfaceMethodref:
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case CONSTANT_Fieldref:
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// simplify references within this class
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CPRefInfo ref = (CPRefInfo) cpInfo;
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try {
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if (ref.class_index == classFile.this_class)
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cpInfo = classFile.constant_pool.get(ref.name_and_type_index);
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} catch (ConstantPool.InvalidIndex e) {
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// ignore, for now
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}
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var cpInfo = classModel.constantPool().entryByIndex(cpx);
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var tag = cpInfo.tag();
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if (cpInfo instanceof MemberRefEntry ref) {
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// simplify references within this class
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if (ref.owner().index() == classModel.thisClass().index())
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cpInfo = ref.nameAndType();
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}
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print(tagName(tag) + " " + stringValue(cpInfo));
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}
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String cpTagName(CPInfo cpInfo) {
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String n = cpInfo.getClass().getSimpleName();
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return n.replace("CONSTANT_", "").replace("_info", "");
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String cpTagName(int tag) {
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return switch (tag) {
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case TAG_UTF8 -> "Utf8";
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case TAG_INTEGER -> "Integer";
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case TAG_FLOAT -> "Float";
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case TAG_LONG -> "Long";
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case TAG_DOUBLE -> "Double";
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case TAG_CLASS -> "Class";
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case TAG_STRING -> "String";
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case TAG_FIELDREF -> "Fieldref";
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case TAG_METHODHANDLE -> "MethodHandle";
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case TAG_METHODTYPE -> "MethodType";
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case TAG_METHODREF -> "Methodref";
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case TAG_INTERFACEMETHODREF -> "InterfaceMethodref";
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case TAG_INVOKEDYNAMIC -> "InvokeDynamic";
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case TAG_CONSTANTDYNAMIC -> "Dynamic";
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case TAG_NAMEANDTYPE -> "NameAndType";
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default -> "Unknown";
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};
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}
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String tagName(int tag) {
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switch (tag) {
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case CONSTANT_Utf8:
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return "Utf8";
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case CONSTANT_Integer:
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return "int";
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case CONSTANT_Float:
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return "float";
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case CONSTANT_Long:
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return "long";
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case CONSTANT_Double:
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return "double";
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case CONSTANT_Class:
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return "class";
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case CONSTANT_String:
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return "String";
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case CONSTANT_Fieldref:
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return "Field";
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case CONSTANT_MethodHandle:
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return "MethodHandle";
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case CONSTANT_MethodType:
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return "MethodType";
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case CONSTANT_Methodref:
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return "Method";
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case CONSTANT_InterfaceMethodref:
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return "InterfaceMethod";
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case CONSTANT_InvokeDynamic:
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return "InvokeDynamic";
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case CONSTANT_Dynamic:
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return "Dynamic";
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case CONSTANT_NameAndType:
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return "NameAndType";
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default:
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return "(unknown tag " + tag + ")";
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return switch (tag) {
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case TAG_UTF8 -> "Utf8";
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case TAG_INTEGER -> "int";
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case TAG_FLOAT -> "float";
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case TAG_LONG -> "long";
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case TAG_DOUBLE -> "double";
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case TAG_CLASS -> "class";
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case TAG_STRING -> "String";
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case TAG_FIELDREF -> "Field";
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case TAG_METHODHANDLE -> "MethodHandle";
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case TAG_METHODTYPE -> "MethodType";
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case TAG_METHODREF -> "Method";
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case TAG_INTERFACEMETHODREF -> "InterfaceMethod";
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case TAG_INVOKEDYNAMIC -> "InvokeDynamic";
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case TAG_CONSTANTDYNAMIC -> "Dynamic";
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case TAG_NAMEANDTYPE -> "NameAndType";
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default -> "(unknown tag " + tag + ")";
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};
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}
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String booleanValue(PoolEntry info) {
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if (info instanceof IntegerEntry ie) {
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switch (ie.intValue()) {
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case 0: return "false";
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case 1: return "true";
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}
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}
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return "#" + info.index();
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}
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String booleanValue(int constant_pool_index) {
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ClassFile classFile = classWriter.getClassFile();
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try {
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CPInfo info = classFile.constant_pool.get(constant_pool_index);
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if (info instanceof CONSTANT_Integer_info) {
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int value = ((CONSTANT_Integer_info) info).value;
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switch (value) {
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case 0: return "false";
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case 1: return "true";
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}
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}
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return "#" + constant_pool_index;
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} catch (ConstantPool.InvalidIndex e) {
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return report(e);
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var info = classWriter.getClassModel().constantPool()
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.entryByIndex(constant_pool_index);
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if (info instanceof IntegerEntry ie) {
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switch (ie.intValue()) {
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case 0: return "false";
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case 1: return "true";
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}
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}
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return "#" + constant_pool_index;
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}
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String charValue(PoolEntry info) {
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if (info instanceof IntegerEntry ie) {
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int value = ie.intValue();
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return String.valueOf((char) value);
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} else {
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return "#" + info.index();
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}
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}
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String charValue(int constant_pool_index) {
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ClassFile classFile = classWriter.getClassFile();
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try {
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CPInfo info = classFile.constant_pool.get(constant_pool_index);
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if (info instanceof CONSTANT_Integer_info) {
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int value = ((CONSTANT_Integer_info) info).value;
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return String.valueOf((char) value);
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} else {
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return "#" + constant_pool_index;
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}
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} catch (ConstantPool.InvalidIndex e) {
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return report(e);
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var info = classWriter.getClassModel().constantPool()
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.entryByIndex(constant_pool_index);
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if (info instanceof IntegerEntry ie) {
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int value = ie.intValue();
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return String.valueOf((char) value);
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} else {
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return "#" + constant_pool_index;
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}
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}
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String stringValue(int constant_pool_index) {
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ClassFile classFile = classWriter.getClassFile();
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try {
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return stringValue(classFile.constant_pool.get(constant_pool_index));
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} catch (ConstantPool.InvalidIndex e) {
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return report(e);
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}
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return stringValue(classWriter.getClassModel().constantPool()
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.entryByIndex(constant_pool_index));
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}
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String stringValue(CPInfo cpInfo) {
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return stringValueVisitor.visit(cpInfo);
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}
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StringValueVisitor stringValueVisitor = new StringValueVisitor();
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private class StringValueVisitor implements ConstantPool.Visitor<String, Void> {
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public String visit(CPInfo info) {
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return info.accept(this, null);
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}
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public String visitClass(CONSTANT_Class_info info, Void p) {
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return getCheckedName(info);
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}
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String getCheckedName(CONSTANT_Class_info info) {
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try {
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return checkName(info.getName());
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} catch (ConstantPoolException e) {
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return report(e);
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String stringValue(PoolEntry cpInfo) {
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return switch (cpInfo) {
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case ClassEntry info -> checkName(info.asInternalName());
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case DoubleEntry info -> info.doubleValue() + "d";
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case MemberRefEntry info -> checkName(info.owner().asInternalName())
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+ '.' + stringValue(info.nameAndType());
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case FloatEntry info -> info.floatValue()+ "f";
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case IntegerEntry info -> String.valueOf(info.intValue());
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case DynamicConstantPoolEntry info -> "#" + info.bootstrapMethodIndex()
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+ ":" + stringValue(info.nameAndType());
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case LongEntry info -> info.longValue()+ "l";
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case ModuleEntry info -> checkName(info.name().stringValue());
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case NameAndTypeEntry info -> checkName(info.name().stringValue())
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+ ':' + info.type().stringValue();
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case PackageEntry info -> checkName(info.name().stringValue());
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case MethodHandleEntry info -> {
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String kind = switch (info.asSymbol().kind()) {
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case STATIC, INTERFACE_STATIC -> "REF_invokeStatic";
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case VIRTUAL -> "REF_invokeVirtual";
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case INTERFACE_VIRTUAL -> "REF_invokeInterface";
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case SPECIAL, INTERFACE_SPECIAL -> "REF_invokeSpecial";
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case CONSTRUCTOR -> "REF_newInvokeSpecial";
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case GETTER -> "REF_getField";
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case SETTER -> "REF_putField";
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case STATIC_GETTER -> "REF_getStatic";
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case STATIC_SETTER -> "REF_putStatic";
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};
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yield kind + " " + stringValue(info.reference());
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}
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}
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public String visitDouble(CONSTANT_Double_info info, Void p) {
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return info.value + "d";
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}
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public String visitFieldref(CONSTANT_Fieldref_info info, Void p) {
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return visitRef(info, p);
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}
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public String visitFloat(CONSTANT_Float_info info, Void p) {
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return info.value + "f";
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}
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public String visitInteger(CONSTANT_Integer_info info, Void p) {
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return String.valueOf(info.value);
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}
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|
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public String visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, Void p) {
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return visitRef(info, p);
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}
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public String visitInvokeDynamic(CONSTANT_InvokeDynamic_info info, Void p) {
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try {
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String callee = stringValue(info.getNameAndTypeInfo());
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return "#" + info.bootstrap_method_attr_index + ":" + callee;
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} catch (ConstantPoolException e) {
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return report(e);
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}
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}
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public String visitDynamicConstant(CONSTANT_Dynamic_info info, Void p) {
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try {
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||||
String callee = stringValue(info.getNameAndTypeInfo());
|
||||
return "#" + info.bootstrap_method_attr_index + ":" + callee;
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitLong(CONSTANT_Long_info info, Void p) {
|
||||
return info.value + "l";
|
||||
}
|
||||
|
||||
public String visitModule(CONSTANT_Module_info info, Void p) {
|
||||
try {
|
||||
return checkName(info.getName());
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitNameAndType(CONSTANT_NameAndType_info info, Void p) {
|
||||
return getCheckedName(info) + ":" + getType(info);
|
||||
}
|
||||
|
||||
String getCheckedName(CONSTANT_NameAndType_info info) {
|
||||
try {
|
||||
return checkName(info.getName());
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitPackage(CONSTANT_Package_info info, Void p) {
|
||||
try {
|
||||
return checkName(info.getName());
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
String getType(CONSTANT_NameAndType_info info) {
|
||||
try {
|
||||
return info.getType();
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitMethodHandle(CONSTANT_MethodHandle_info info, Void p) {
|
||||
try {
|
||||
return info.reference_kind + " " + stringValue(info.getCPRefInfo());
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitMethodType(CONSTANT_MethodType_info info, Void p) {
|
||||
try {
|
||||
return info.getType();
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitMethodref(CONSTANT_Methodref_info info, Void p) {
|
||||
return visitRef(info, p);
|
||||
}
|
||||
|
||||
public String visitString(CONSTANT_String_info info, Void p) {
|
||||
try {
|
||||
ClassFile classFile = classWriter.getClassFile();
|
||||
int string_index = info.string_index;
|
||||
return stringValue(classFile.constant_pool.getUTF8Info(string_index));
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
|
||||
public String visitUtf8(CONSTANT_Utf8_info info, Void p) {
|
||||
String s = info.value;
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (int i = 0; i < s.length(); i++) {
|
||||
char c = s.charAt(i);
|
||||
switch (c) {
|
||||
case '\t':
|
||||
sb.append('\\').append('t');
|
||||
break;
|
||||
case '\n':
|
||||
sb.append('\\').append('n');
|
||||
break;
|
||||
case '\r':
|
||||
sb.append('\\').append('r');
|
||||
break;
|
||||
case '\b':
|
||||
sb.append('\\').append('b');
|
||||
break;
|
||||
case '\f':
|
||||
sb.append('\\').append('f');
|
||||
break;
|
||||
case '\"':
|
||||
sb.append('\\').append('\"');
|
||||
break;
|
||||
case '\'':
|
||||
sb.append('\\').append('\'');
|
||||
break;
|
||||
case '\\':
|
||||
sb.append('\\').append('\\');
|
||||
break;
|
||||
default:
|
||||
if (Character.isISOControl(c)) {
|
||||
sb.append(String.format("\\u%04x", (int) c));
|
||||
break;
|
||||
}
|
||||
sb.append(c);
|
||||
case MethodTypeEntry info -> info.descriptor().stringValue();
|
||||
case StringEntry info -> stringValue(info.utf8());
|
||||
case Utf8Entry info -> {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (char c : info.stringValue().toCharArray()) {
|
||||
sb.append(switch (c) {
|
||||
case '\t' -> "\\t";
|
||||
case '\n' -> "\\n";
|
||||
case '\r' -> "\\r";
|
||||
case '\b' -> "\\b";
|
||||
case '\f' -> "\\f";
|
||||
case '\"' -> "\\\"";
|
||||
case '\'' -> "\\\'";
|
||||
case '\\' -> "\\\\";
|
||||
default -> Character.isISOControl(c)
|
||||
? String.format("\\u%04x", (int) c) : c;
|
||||
});
|
||||
}
|
||||
yield sb.toString();
|
||||
}
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
String visitRef(CPRefInfo info, Void p) {
|
||||
String cn = getCheckedClassName(info);
|
||||
String nat;
|
||||
try {
|
||||
nat = stringValue(info.getNameAndTypeInfo());
|
||||
} catch (ConstantPoolException e) {
|
||||
nat = report(e);
|
||||
}
|
||||
return cn + "." + nat;
|
||||
}
|
||||
|
||||
String getCheckedClassName(CPRefInfo info) {
|
||||
try {
|
||||
return checkName(info.getClassName());
|
||||
} catch (ConstantPoolException e) {
|
||||
return report(e);
|
||||
}
|
||||
}
|
||||
default -> throw new IllegalArgumentException("unknown " + cpInfo);
|
||||
};
|
||||
}
|
||||
|
||||
/* If name is a valid binary name, return it; otherwise quote it. */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue