use of com.sun.tools.classfile.Signature in project ceylon-compiler by ceylon.
the class ClassWriter method writeMethod.
protected void writeMethod(Method m) {
if (!options.checkAccess(m.access_flags))
return;
method = m;
AccessFlags flags = m.access_flags;
Descriptor d;
Type.MethodType methodType;
List<? extends Type> methodExceptions;
Signature_attribute sigAttr = getSignature(m.attributes);
if (sigAttr == null) {
d = m.descriptor;
methodType = null;
methodExceptions = null;
} else {
Signature methodSig = sigAttr.getParsedSignature();
d = methodSig;
try {
methodType = (Type.MethodType) methodSig.getType(constant_pool);
methodExceptions = methodType.throwsTypes;
if (methodExceptions != null && methodExceptions.isEmpty())
methodExceptions = null;
} catch (ConstantPoolException e) {
// report error?
// fall back on standard descriptor
methodType = null;
methodExceptions = null;
}
}
writeModifiers(flags.getMethodModifiers());
if (methodType != null) {
writeListIfNotEmpty("<", methodType.typeParamTypes, "> ");
}
if (getName(m).equals("<init>")) {
print(getJavaName(classFile));
print(getJavaParameterTypes(d, flags));
} else if (getName(m).equals("<clinit>")) {
print("{}");
} else {
print(getJavaReturnType(d));
print(" ");
print(getName(m));
print(getJavaParameterTypes(d, flags));
}
Attribute e_attr = m.attributes.get(Attribute.Exceptions);
if (e_attr != null) {
// if there are generic exceptions, there must be erased exceptions
if (e_attr instanceof Exceptions_attribute) {
Exceptions_attribute exceptions = (Exceptions_attribute) e_attr;
print(" throws ");
if (methodExceptions != null) {
// use generic list if available
writeList("", methodExceptions, "");
} else {
for (int i = 0; i < exceptions.number_of_exceptions; i++) {
if (i > 0)
print(", ");
print(getJavaException(exceptions, i));
}
}
} else {
report("Unexpected or invalid value for Exceptions attribute");
}
}
println(";");
indent(+1);
if (options.showInternalSignatures) {
println("Signature: " + getValue(m.descriptor));
}
if (options.verbose && !options.compat) {
writeList("flags: ", flags.getMethodFlags(), NEWLINE);
}
Code_attribute code = null;
Attribute c_attr = m.attributes.get(Attribute.Code);
if (c_attr != null) {
if (c_attr instanceof Code_attribute)
code = (Code_attribute) c_attr;
else
report("Unexpected or invalid value for Code attribute");
}
if (options.showDisassembled && !options.showAllAttrs) {
if (code != null) {
println("Code:");
codeWriter.writeInstrs(code);
codeWriter.writeExceptionTable(code);
}
}
if (options.showLineAndLocalVariableTables) {
if (code != null) {
attrWriter.write(code, code.attributes.get(Attribute.LineNumberTable), constant_pool);
attrWriter.write(code, code.attributes.get(Attribute.LocalVariableTable), constant_pool);
}
}
if (options.showAllAttrs) {
Attribute[] attrs = m.attributes.attrs;
for (Attribute attr : attrs) attrWriter.write(m, attr, constant_pool);
}
indent(-1);
// set pendingNewline to write a newline before the next method (if any)
// if a separator is desired
setPendingNewline(options.showDisassembled || options.showAllAttrs || options.showInternalSignatures || options.showLineAndLocalVariableTables || options.verbose);
}
use of com.sun.tools.classfile.Signature in project ceylon-compiler by ceylon.
the class LocalVariableTypeTableWriter method writeLocalVariables.
public void writeLocalVariables(int pc, NoteKind kind) {
ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
// get from Options?
String indent = space(2);
List<LocalVariableTypeTable_attribute.Entry> entries = pcMap.get(pc);
if (entries != null) {
for (ListIterator<LocalVariableTypeTable_attribute.Entry> iter = entries.listIterator(kind == NoteKind.END ? entries.size() : 0); kind == NoteKind.END ? iter.hasPrevious() : iter.hasNext(); ) {
LocalVariableTypeTable_attribute.Entry entry = kind == NoteKind.END ? iter.previous() : iter.next();
if (kind.match(entry, pc)) {
print(indent);
print(kind.text);
print(" generic local ");
print(entry.index);
print(" // ");
Descriptor d = new Signature(entry.signature_index);
try {
print(d.getFieldType(constant_pool).toString().replace("/", "."));
} catch (InvalidDescriptor e) {
print(report(e));
} catch (ConstantPoolException e) {
print(report(e));
}
print(" ");
try {
print(constant_pool.getUTF8Value(entry.name_index));
} catch (ConstantPoolException e) {
print(report(e));
}
println();
}
}
}
}
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