/**
* Adds the given new method declaration to the provided type AST Node. Can also inject
* constructors.
*
* <p>Also takes care of updating the JavacAST.
*/
public static void injectMethod(JavacNode typeNode, JCMethodDecl method) {
JCClassDecl type = (JCClassDecl) typeNode.get();
if (method.getName().contentEquals("<init>")) {
// Scan for default constructor, and remove it.
int idx = 0;
for (JCTree def : type.defs) {
if (def instanceof JCMethodDecl) {
if ((((JCMethodDecl) def).mods.flags & Flags.GENERATEDCONSTR) != 0) {
JavacNode tossMe = typeNode.getNodeFor(def);
if (tossMe != null) tossMe.up().removeChild(tossMe);
type.defs = addAllButOne(type.defs, idx);
if (type.sym != null && type.sym.members_field != null) {
type.sym.members_field.remove(((JCMethodDecl) def).sym);
}
break;
}
}
idx++;
}
}
addSuppressWarningsAll(method.mods, typeNode, method.pos, getGeneratedBy(method));
type.defs = type.defs.append(method);
typeNode.add(method, Kind.METHOD);
}
private static void injectField(
JavacNode typeNode, JCVariableDecl field, boolean addSuppressWarnings) {
JCClassDecl type = (JCClassDecl) typeNode.get();
if (addSuppressWarnings)
addSuppressWarningsAll(field.mods, typeNode, field.pos, getGeneratedBy(field));
List<JCTree> insertAfter = null;
List<JCTree> insertBefore = type.defs;
while (insertBefore.tail != null) {
if (insertBefore.head instanceof JCVariableDecl) {
JCVariableDecl f = (JCVariableDecl) insertBefore.head;
if (isEnumConstant(f) || isGenerated(f)) {
insertAfter = insertBefore;
insertBefore = insertBefore.tail;
continue;
}
}
break;
}
List<JCTree> fieldEntry = List.<JCTree>of(field);
fieldEntry.tail = insertBefore;
if (insertAfter == null) {
type.defs = fieldEntry;
} else {
insertAfter.tail = fieldEntry;
}
typeNode.add(field, Kind.FIELD);
}
private JavaFileObject genCodeUnlessError(Env<AttrContext> env, JCClassDecl cdef)
throws IOException {
try {
CeylonFileObject sourcefile = (CeylonFileObject) env.toplevel.sourcefile;
// do not look at the global number of errors but only those for this file
if (super.gen.genClass(env, cdef) && sourcefile.errors == 0)
return writer.writeClass(cdef.sym);
} catch (ClassWriter.PoolOverflow ex) {
log.error(cdef.pos(), "limit.pool");
} catch (ClassWriter.StringOverflow ex) {
log.error(cdef.pos(), "limit.string.overflow", ex.value.substring(0, 20));
} catch (CompletionFailure ex) {
chk.completionError(cdef.pos(), ex);
}
return null;
}
public void visitClassDef(JCClassDecl tree) {
try {
consumeComments(tree.pos);
println();
align();
printDocComment(tree);
printAnnotations(tree.mods.annotations);
printFlags(tree.mods.flags & ~INTERFACE);
Name enclClassNamePrev = enclClassName;
enclClassName = tree.name;
if ((tree.mods.flags & INTERFACE) != 0) {
print("interface " + tree.name);
printTypeParameters(tree.typarams);
if (tree.implementing.nonEmpty()) {
print(" extends ");
printExprs(tree.implementing);
}
} else {
if ((tree.mods.flags & ENUM) != 0) print("enum " + tree.name);
else print("class " + tree.name);
printTypeParameters(tree.typarams);
if (tree.getExtendsClause() != null) {
print(" extends ");
printExpr(tree.getExtendsClause());
}
if (tree.implementing.nonEmpty()) {
print(" implements ");
printExprs(tree.implementing);
}
}
print(" ");
// <Added for delombok by Reinier Zwitserloot>
if ((tree.mods.flags & INTERFACE) != 0) {
removeImplicitModifiersForInterfaceMembers(tree.defs);
}
// </Added for delombok by Reinier Zwitserloot>
if ((tree.mods.flags & ENUM) != 0) {
printEnumBody(tree.defs);
} else {
printBlock(tree.defs, tree);
}
enclClassName = enclClassNamePrev;
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private JavaFileObject genCodeUnlessError(Env<AttrContext> env, JCClassDecl cdef)
throws IOException {
CeylonFileObject sourcefile = (CeylonFileObject) env.toplevel.sourcefile;
try {
// do not look at the global number of errors but only those for this file
if (super.gen.genClass(env, cdef) && !sourcefile.hasError(cdef.pos)) {
String packageName = cdef.sym.packge().getQualifiedName().toString();
Package pkg = modelLoader.findPackage(packageName);
if (pkg == null) throw new RuntimeException("Failed to find package: " + packageName);
Module module = pkg.getModule();
if (!module.isDefault()) {
String moduleName = module.getNameAsString();
CeylonFileObject moduleFileObject = moduleNamesToFileObjects.get(moduleName);
// if there's no module source file object it means the module descriptor had parse errors
if (moduleFileObject == null || moduleFileObject.hasError()) {
// we do not produce any class files for modules with errors
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(
log.noticeWriter,
"[Not writing class "
+ cdef.sym.className()
+ " because its module has errors: "
+ moduleName
+ "]");
}
return null;
}
}
return writer.writeClass(cdef.sym);
}
} catch (ClassWriter.PoolOverflow ex) {
log.error(cdef.pos(), "limit.pool");
} catch (ClassWriter.StringOverflow ex) {
log.error(cdef.pos(), "limit.string.overflow", ex.value.substring(0, 20));
} catch (CompletionFailure ex) {
chk.completionError(cdef.pos(), ex);
} catch (AssertionError e) {
throw new RuntimeException("Error generating bytecode for " + sourcefile.getName(), e);
}
return null;
}
public void visitClassDef(JCClassDecl tree) {
Symbol owner = env.info.scope.owner;
Scope enclScope = enterScope(env);
ClassSymbol c;
if (owner.kind == PCK) {
// We are seeing a toplevel class.
PackageSymbol packge = (PackageSymbol) owner;
for (Symbol q = packge; q != null && q.kind == PCK; q = q.owner) q.flags_field |= EXISTS;
c = reader.enterClass(tree.name, packge);
packge.members().enterIfAbsent(c);
if ((tree.mods.flags & PUBLIC) != 0 && !classNameMatchesFileName(c, env)) {
log.error(tree.pos(), "class.public.should.be.in.file", tree.name);
}
} else {
if (!tree.name.isEmpty() && !chk.checkUniqueClassName(tree.pos(), tree.name, enclScope)) {
result = null;
return;
}
if (owner.kind == TYP) {
// We are seeing a member class.
c = reader.enterClass(tree.name, (TypeSymbol) owner);
if ((owner.flags_field & INTERFACE) != 0) {
tree.mods.flags |= PUBLIC | STATIC;
}
} else {
// We are seeing a local class.
c = reader.defineClass(tree.name, owner);
c.flatname = chk.localClassName(c);
if (!c.name.isEmpty()) chk.checkTransparentClass(tree.pos(), c, env.info.scope);
}
}
tree.sym = c;
// Enter class into `compiled' table and enclosing scope.
if (chk.compiled.get(c.flatname) != null) {
duplicateClass(tree.pos(), c);
result = types.createErrorType(tree.name, (TypeSymbol) owner, Type.noType);
tree.sym = (ClassSymbol) result.tsym;
return;
}
chk.compiled.put(c.flatname, c);
enclScope.enter(c);
// Set up an environment for class block and store in `typeEnvs'
// table, to be retrieved later in memberEnter and attribution.
Env<AttrContext> localEnv = classEnv(tree, env);
typeEnvs.put(c, localEnv);
// Fill out class fields.
c.completer = memberEnter;
c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree);
c.sourcefile = env.toplevel.sourcefile;
c.members_field = new Scope(c);
ClassType ct = (ClassType) c.type;
if (owner.kind != PCK && (c.flags_field & STATIC) == 0) {
// We are seeing a local or inner class.
// Set outer_field of this class to closest enclosing class
// which contains this class in a non-static context
// (its "enclosing instance class"), provided such a class exists.
Symbol owner1 = owner;
while ((owner1.kind & (VAR | MTH)) != 0 && (owner1.flags_field & STATIC) == 0) {
owner1 = owner1.owner;
}
if (owner1.kind == TYP) {
ct.setEnclosingType(owner1.type);
}
}
// Enter type parameters.
ct.typarams_field = classEnter(tree.typarams, localEnv);
// Add non-local class to uncompleted, to make sure it will be
// completed later.
if (!c.isLocal() && uncompleted != null) uncompleted.append(c);
// System.err.println("entering " + c.fullname + " in " + c.owner);//DEBUG
// Recursively enter all member classes.
classEnter(tree.defs, localEnv);
result = c.type;
}
public void visitClassDef(JCClassDecl node) {
node.sym = null;
super.visitClassDef(node);
}