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Propagated bytecode-to-source tracer

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This commit is contained in:
Stiver
2014-10-06 04:27:26 +02:00
parent 0c8508ff8a
commit 9723ab4475
21 changed files with 142 additions and 37 deletions
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30
src/org/jetbrains/java/decompiler/main/ClassWriter.java
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@@ -164,7 +164,8 @@ public class ClassWriter {
ClassNode outerNode = (ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, node);
BytecodeMappingTracer tracer = new BytecodeMappingTracer();
int total_offset_lines = 0;
BytecodeMappingTracer dummy_tracer = new BytecodeMappingTracer();
try {
// last minute processing
@@ -177,8 +178,13 @@ public class ClassWriter {
String lineSeparator = DecompilerContext.getNewLineSeparator();
// write class definition
int start_class_def = buffer.length();
writeClassDefinition(node, buffer, indent);
// count lines in class definition the easiest way
total_offset_lines = buffer.substring(start_class_def).toString().split(lineSeparator, -1).length - 1;
boolean hasContent = false;
// fields
@@ -204,7 +210,7 @@ public class ClassWriter {
enumFields = false;
}
fieldToJava(wrapper, cl, fd, buffer, indent + 1, tracer);
fieldToJava(wrapper, cl, fd, buffer, indent + 1, dummy_tracer); // FIXME: insert real tracer
hasContent = true;
}
@@ -225,9 +231,13 @@ public class ClassWriter {
if (hasContent) {
buffer.append(lineSeparator);
}
boolean methodSkipped = !methodToJava(node, mt, buffer, indent + 1, tracer);
BytecodeMappingTracer method_tracer = new BytecodeMappingTracer(total_offset_lines);
boolean methodSkipped = !methodToJava(node, mt, buffer, indent + 1, method_tracer);
if (!methodSkipped) {
hasContent = true;
DecompilerContext.getBytecodeSourceMapper().addTracer(cl.qualifiedName,
InterpreterUtil.makeUniqueKey(mt.getName(), mt.getDescriptor()), method_tracer);
total_offset_lines = method_tracer.getCurrentSourceline();
}
else {
buffer.setLength(position);
@@ -558,6 +568,10 @@ public class ClassWriter {
MethodWrapper methodWrapper = wrapper.getMethodWrapper(mt.getName(), mt.getDescriptor());
boolean hideMethod = false;
int start_index_method = buffer.length();
String indentString = InterpreterUtil.getIndentString(indent);
String lineSeparator = DecompilerContext.getNewLineSeparator();
MethodWrapper outerWrapper = (MethodWrapper)DecompilerContext.getProperty(DecompilerContext.CURRENT_METHOD_WRAPPER);
DecompilerContext.setProperty(DecompilerContext.CURRENT_METHOD_WRAPPER, methodWrapper);
@@ -569,9 +583,6 @@ public class ClassWriter {
boolean isDeprecated = mt.getAttributes().containsKey("Deprecated");
boolean clinit = false, init = false, dinit = false;
String indentString = InterpreterUtil.getIndentString(indent);
String lineSeparator = DecompilerContext.getNewLineSeparator();
MethodDescriptor md = MethodDescriptor.parseDescriptor(mt.getDescriptor());
int flags = mt.getAccessFlags();
@@ -793,6 +804,9 @@ public class ClassWriter {
if (root != null && !methodWrapper.decompiledWithErrors) { // check for existence
try {
tracer.setCurrentSourceline(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
String code = root.toJava(indent + 1, tracer);
hideMethod = (clinit || dinit || hideConstructor(wrapper, init, throwsExceptions, paramCount)) && code.length() == 0;
@@ -820,6 +834,10 @@ public class ClassWriter {
DecompilerContext.setProperty(DecompilerContext.CURRENT_METHOD_WRAPPER, outerWrapper);
}
// save total lines
// TODO: optimize
tracer.setCurrentSourceline(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
return !hideMethod;
}