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Unified Diff: dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart

Issue 25657008: Only have one method for generating a method. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge
Patch Set: Change name of writeOn to make it absolutely clear that it shouldn't be used in normal situations. Created 7 years, 2 months ago
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Index: dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart b/dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
index 8d0c6a9bdcd39808fd44a6ceef4e6769a9975993..dae866324a174863ad9935d06e49eea0f09c1bdb 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
@@ -911,55 +911,6 @@ class CodeEmitterTask extends CompilerTask {
return field is ClosureFieldElement;
}
- /**
- * Documentation wanted -- johnniwinther
- *
- * Invariant: [member] must be a declaration element.
- */
- void addInstanceMember(Element member, ClassBuilder builder) {
- assert(invariant(member, member.isDeclaration));
- // TODO(floitsch): we don't need to deal with members of
- // uninstantiated classes, that have been overwritten by subclasses.
-
- if (member.isFunction()
- || member.isGenerativeConstructorBody()
- || member.isAccessor()) {
- if (member.isAbstract(compiler)) return;
- jsAst.Expression code = backend.generatedCode[member];
- if (code == null) return;
- String name = namer.getNameOfInstanceMember(member);
- if (backend.isInterceptedMethod(member)) {
- interceptorInvocationNames.add(name);
- }
- code = extendWithMetadata(member, code);
- builder.addProperty(name, code);
- String reflectionName = getReflectionName(member, name);
- if (reflectionName != null) {
- var reflectable =
- js(backend.isAccessibleByReflection(member) ? '1' : '0');
- builder.addProperty('+$reflectionName', reflectable);
- jsAst.Node defaultValues = reifyDefaultArguments(member);
- if (defaultValues != null) {
- String unmangledName = member.name.slowToString();
- builder.addProperty('*$unmangledName', defaultValues);
- }
- }
- code = backend.generatedBailoutCode[member];
- if (code != null) {
- builder.addProperty(namer.getBailoutName(member), code);
- }
- FunctionElement function = member;
- FunctionSignature parameters = function.computeSignature(compiler);
- if (!parameters.optionalParameters.isEmpty) {
- containerBuilder.addParameterStubs(function, builder.addProperty);
- }
- } else if (!member.isField()) {
- compiler.internalError('unexpected kind: "${member.kind}"',
- element: member);
- }
- containerBuilder.emitExtraAccessors(member, builder);
- }
-
/// Returns the "reflection name" of an [Element] or [Selector].
/// The reflection name of a getter 'foo' is 'foo'.
/// The reflection name of a setter 'foo' is 'foo='.
@@ -1082,7 +1033,7 @@ class CodeEmitterTask extends CompilerTask {
void visitMember(ClassElement enclosing, Element member) {
assert(invariant(classElement, member.isDeclaration));
if (member.isInstanceMember()) {
- addInstanceMember(member, builder);
+ containerBuilder.addMember(member, builder);
}
}
@@ -2038,18 +1989,6 @@ class CodeEmitterTask extends CompilerTask {
}
}
- void emitStaticFunction(CodeBuffer buffer,
- String name,
- jsAst.Expression functionExpression) {
- // TODO(ahe): This method (emitStaticFunction) should return a
- // jsAst.Expression.
- if (!buffer.isEmpty) {
- buffer.write(',$n$n');
- }
- buffer.write('$name:$_');
- buffer.write(jsAst.prettyPrint(functionExpression, compiler));
- }
-
void emitStaticFunctions(CodeBuffer eagerBuffer) {
bool isStaticFunction(Element element) =>
!element.isInstanceMember() && !element.isField();
@@ -2062,27 +2001,11 @@ class CodeEmitterTask extends CompilerTask {
.toSet();
for (Element element in Elements.sortedByPosition(elements)) {
- CodeBuffer buffer = bufferForElement(element, eagerBuffer);
- jsAst.Expression code = backend.generatedCode[element];
- String name = namer.getNameOfGlobalFunction(element);
- code = extendWithMetadata(element, code);
- emitStaticFunction(buffer, name, code);
- String reflectionName = getReflectionName(element, name);
- if (reflectionName != null) {
- var reflectable = backend.isAccessibleByReflection(element) ? 1 : 0;
- buffer.write(',$n$n"+$reflectionName":${_}$reflectable');
- jsAst.Node defaultValues = reifyDefaultArguments(element);
- if (defaultValues != null) {
- String unmangledName = element.name.slowToString();
- buffer.write(',$n$n"*$unmangledName":${_}');
- buffer.write(jsAst.prettyPrint(defaultValues, compiler));
- }
- }
- jsAst.Expression bailoutCode = backend.generatedBailoutCode[element];
- if (bailoutCode != null) {
- pendingElementsWithBailouts.remove(element);
- emitStaticFunction(buffer, namer.getBailoutName(element), bailoutCode);
- }
+ pendingElementsWithBailouts.remove(element);
+ ClassBuilder builder = new ClassBuilder();
+ containerBuilder.addMember(element, builder);
+ builder.writeOn_DO_NOT_USE(
+ bufferForElement(element, eagerBuffer), compiler, ',$n$n');
}
if (!pendingElementsWithBailouts.isEmpty) {
@@ -2091,9 +2014,11 @@ class CodeEmitterTask extends CompilerTask {
// Is it possible the primary function was inlined but the bailout was not?
for (Element element in
Elements.sortedByPosition(pendingElementsWithBailouts)) {
- CodeBuffer buffer = bufferForElement(element, eagerBuffer);
jsAst.Expression bailoutCode = backend.generatedBailoutCode[element];
- emitStaticFunction(buffer, namer.getBailoutName(element), bailoutCode);
+ new ClassBuilder()
+ ..addProperty(namer.getBailoutName(element), bailoutCode)
+ ..writeOn_DO_NOT_USE(
+ bufferForElement(element, eagerBuffer), compiler, ',$n$n');
}
}
@@ -3066,33 +2991,6 @@ class CodeEmitterTask extends CompilerTask {
});
}
- jsAst.Fun extendWithMetadata(FunctionElement element, jsAst.Fun code) {
- if (!backend.retainMetadataOf(element)) return code;
- return compiler.withCurrentElement(element, () {
- List<int> metadata = <int>[];
- FunctionSignature signature = element.functionSignature;
- if (element.isConstructor()) {
- metadata.add(reifyType(element.getEnclosingClass().thisType));
- } else {
- metadata.add(reifyType(signature.returnType));
- }
- signature.forEachParameter((Element parameter) {
- metadata
- ..add(reifyName(parameter.name))
- ..add(reifyType(parameter.computeType(compiler)));
- });
- Link link = element.metadata;
- // TODO(ahe): Why is metadata sometimes null?
- if (link != null) {
- for (; !link.isEmpty; link = link.tail) {
- metadata.add(reifyMetadata(link.head));
- }
- }
- code.body.statements.add(js.string(metadata.join(',')).toStatement());
- return code;
- });
- }
-
void emitMetadata(CodeBuffer buffer) {
var literals = backend.typedefTypeLiterals.toList();
Elements.sortedByPosition(literals);

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