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Unified Diff: tools/immic/lib/src/plugins/dart.dart

Issue 2035023003: Remove service-compiler related code. (Closed) Base URL: git@github.com:dartino/sdk.git@master
Patch Set: Created 4 years, 6 months ago
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Index: tools/immic/lib/src/plugins/dart.dart
diff --git a/tools/immic/lib/src/plugins/dart.dart b/tools/immic/lib/src/plugins/dart.dart
deleted file mode 100644
index 23556b05dffdb0d235553b07b6a9c95028cdca8b..0000000000000000000000000000000000000000
--- a/tools/immic/lib/src/plugins/dart.dart
+++ /dev/null
@@ -1,476 +0,0 @@
-// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library immic.plugins.dart;
-
-import 'dart:core' hide Type;
-import 'dart:io' show Platform, File;
-
-import 'package:path/path.dart' show withoutExtension, join, dirname;
-import 'package:strings/strings.dart' as strings;
-
-import 'shared.dart';
-import '../emitter.dart';
-import '../struct_layout.dart';
-import '../primitives.dart' as primitives;
-
-const List<String> RESOURCES = const [
- "immi.dart",
-];
-
-const COPYRIGHT = """
-// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE.md file.
-""";
-
-void generate(String path,
- Map<String, Unit> units,
- String outputDirectory) {
- String directory = join(outputDirectory, 'dart');
- units.forEach((path, unit) => _generateNodeFile(path, unit, directory));
- _generateServiceFile(path, units, directory);
-
- String resourcesDirectory = join(dirname(Platform.script.path),
- '..', 'lib', 'src', 'resources', 'dart');
- for (String resource in RESOURCES) {
- String resourcePath = join(resourcesDirectory, resource);
- File file = new File(resourcePath);
- String contents = file.readAsStringSync();
- writeToFile(directory, resource, contents);
- }
-}
-
-String generateNodeString(String unitPath, Unit unit) {
- _DartVisitor visitor = new _DartVisitor(unitPath);
- visitor.visit(unit);
- return visitor.buffer.toString();
-}
-
-String generateServiceString(String path, Map units) {
- _DartVisitor visitor = new _DartVisitor(path);
- units.values.forEach(visitor.collectMethodSignatures);
- visitor._writeServiceImpl();
- return visitor.buffer.toString();
-}
-
-void _generateNodeFile(String unitPath, Unit unit, String directory) {
- String content = generateNodeString(unitPath, unit);
- writeToFile(directory, unitPath, content, extension: 'dart');
-}
-
-void _generateServiceFile(String path,
- Map<String, Unit> units,
- String directory) {
- _DartVisitor visitor = new _DartVisitor(path);
- String content = generateServiceString(path, units);
- String file = visitor.serviceImplFile;
- writeToFile(directory, file, content, extension: 'dart');
-}
-
-class _DartVisitor extends CodeGenerationVisitor {
- _DartVisitor(String path) : super(path);
-
- visitUnit(Unit node) {
- _writeHeader();
- _writeLibrary();
- _writeImports();
- node.imports.forEach(visit);
- if (node.imports.isNotEmpty) writeln();
- node.structs.forEach(visit);
- }
-
- visitImport(Import import) {
- writeln("import '${withoutExtension(import.import)}.dart';");
- }
-
- getPatchType(Type type) {
- if (type.isList) return 'ListPatch';
- if (type.isNode) return 'NodePatch';
- if (type.resolved != null) return '${type.identifier}Patch';
- return _types[type.identifier];
- }
-
- getSerializeMethodName(Type type) {
- if (type.isList) return 'serializeList';
- if (type.isNode) return 'serializeNode';
- if (type.resolved != null) return 'serialize${type.identifier}';
- throw 'Unserializable type ${type.identifier}';
- }
-
- visitStruct(Struct node) {
- String nodeName = '${node.name}Node';
- String patchName = '${node.name}Patch';
- String replacePatch = '${node.name}ReplacePatch';
- String updatePatch = '${node.name}UpdatePatch';
- String nodeBuilderName = '${node.name}NodeDataBuilder';
- String patchBuilderName = '${node.name}PatchDataBuilder';
- String updateBuilderName = '${node.name}UpdateDataBuilder';
-
- bool hasFields = node.layout.slots.isNotEmpty;
- bool hasMethods = node.methods.isNotEmpty;
- bool hasSlotsAndMethods = hasFields && hasMethods;
-
- writeln('class $nodeName extends Node {');
- // Final fields.
- forEachSlot(node, null, (Type slotType, String slotName) {
- write(' final ');
- writeType(slotType);
- writeln(' $slotName;');
- });
- for (var method in node.methods) {
- writeln(' final Function ${method.name};');
- }
- // Public keyword constructor.
- if (hasFields || hasMethods) {
- write(' factory $nodeName({');
- forEachSlot(node, writeComma, (Type slotType, String slotName) {
- writeType(slotType);
- write(' $slotName');
- });
- if (hasSlotsAndMethods) write(', ');
- write(node.methods.map((method) => 'Function ${method.name}').join(', '));
- writeln('}) =>');
- write(' new ${nodeName}._internal(');
- forEachSlot(node, writeComma, (_, String slotName) {
- write('$slotName');
- });
- if (hasSlotsAndMethods) write(', ');
- write(node.methods.map((method) => method.name).join(', '));
- writeln(');');
- // Positional constructor.
- write(' ${nodeName}._internal(');
- forEachSlot(node, writeComma, (_, String slotName) {
- write('this.${slotName}');
- });
- if (hasSlotsAndMethods) write(', ');
- write(node.methods.map((method) => 'this.${method.name}').join(', '));
- writeln(');');
- }
-
- // Serialization
- String serializeSelf = 'serialize${node.name}';
- writeln(' void serializeNode(NodeDataBuilder builder, ResourceManager manager) {');
- writeln(' $serializeSelf(builder.init${node.name}(), manager);');
- writeln(' }');
- writeln(' void $serializeSelf(${nodeName}DataBuilder builder, ResourceManager manager) {');
- forEachSlot(node, null, (Type slotType, String slotName) {
- String slotNameCamel = camelize(slotName);
- if (slotType.isList) {
- String localSlotLength = "${slotName}Length";
- String localSlotBuilder = "${slotName}Builder";
- // TODO(zerny): Support list of primitives.
- String serialize = slotType.elementType.isNode ?
- 'serializeNode' :
- 'serialize${slotType.elementType.identifier}';
- writeln(' var $localSlotLength = $slotName.length;');
- writeln(' List $localSlotBuilder =');
- writeln(' builder.init$slotNameCamel($localSlotLength);');
- writeln(' for (var i = 0; i < $localSlotLength; ++i) {');
- writeln(' $slotName[i].$serialize($localSlotBuilder[i], manager);');
- writeln(' }');
- } else if (slotType.isNode || slotType.resolved != null) {
- String serialize = getSerializeMethodName(slotType);
- writeln(' $slotName.$serialize(builder.init$slotNameCamel(), manager);');
- } else {
- writeln(' builder.$slotName = $slotName;');
- }
- });
- for (var method in node.methods) {
- String methodName = method.name;
- writeln(' builder.$methodName = manager.addHandler($methodName);');
- }
- writeln(' }');
-
- // Event handlers
- writeln(' void unregisterHandlers(ResourceManager manager) {');
- for (var method in node.methods) {
- writeln(' manager.removeHandler(${method.name});');
- }
- writeln(' }');
-
- // Difference.
- writeln(' ${node.name}Patch diff(Node previousNode) {');
- if (!hasFields && !hasMethods) {
- writeln(' if (previousNode is $nodeName) return null;');
- writeln(' return new $replacePatch(this, previousNode);');
- } else {
- writeln(' if (identical(this, previousNode)) return null;');
- writeln(' if (previousNode is! $nodeName) {');
- writeln(' return new $replacePatch(this, previousNode);');
- writeln(' }');
- writeln(' $nodeName previous = previousNode;');
- writeln(' $updatePatch updates = null;');
- String ensureUpdatePatch =
- 'if (updates == null) updates = new $updatePatch(previous);';
- forEachSlot(node, null, (Type slotType, String slotName) {
- if (slotType.isList) {
- // TODO(zerny): Support lists of primitives.
- String type = slotType.elementType.isNode ?
- 'ListPatchType.AnyNode' :
- 'ListPatchType.SpecificNode';
- writeln(' ${getPatchType(slotType)} ${slotName}Patch =');
- writeln(' diffList($slotName, previous.$slotName, $type);');
- writeln(' if (${slotName}Patch != null) {');
- writeln(' $ensureUpdatePatch');
- writeln(' updates.$slotName = ${slotName}Patch;');
- writeln(' }');
- } else if (slotType.isNode || slotType.resolved != null) {
- writeln(' ${getPatchType(slotType)} ${slotName}Patch =');
- writeln(' $slotName.diff(previous.$slotName);');
- writeln(' if (${slotName}Patch != null) {');
- writeln(' $ensureUpdatePatch');
- writeln(' updates.$slotName = ${slotName}Patch;');
- writeln(' }');
- } else {
- writeln(' if ($slotName != previous.$slotName) {');
- writeln(' $ensureUpdatePatch');
- writeln(' updates.$slotName = $slotName;');
- writeln(' }');
- }
- });
- for (Method method in node.methods) {
- String name = method.name;
- writeln(' if ($name != previous.$name) {');
- writeln(' $ensureUpdatePatch');
- writeln(' updates.$name = $name;');
- writeln(' }');
- }
- writeln(' return updates;');
- }
- writeln(' }');
- // Difference end.
-
- writeln('}');
- writeln();
- // Node class end.
-
- // Node specific patches.
- String serializeSelfNode = 'serialize${node.name}';
- String serializeSelfPatch = 'serialize${node.name}';
- writeln('abstract class $patchName extends NodePatch {');
- writeln(' void serializeNode(NodePatchDataBuilder builder, ResourceManager manager) {');
- writeln(' $serializeSelfPatch(builder.init${node.name}(), manager);');
- writeln(' }');
- writeln(' void $serializeSelfPatch($patchBuilderName builder, ResourceManager manager);');
- writeln('}');
- writeln();
- writeln('class $replacePatch extends $patchName {');
- writeln(' final $nodeName replacement;');
- writeln(' final Node previous;');
- writeln(' $replacePatch(this.replacement, this.previous);');
- writeln(' void $serializeSelfPatch($patchBuilderName builder, ResourceManager manager) {');
- writeln(' if (previous != null) previous.unregisterHandlers(manager);');
- writeln(' replacement.$serializeSelfNode(builder.initReplace(), manager);');
- writeln(' }');
- writeln('}');
- writeln();
- if (hasFields || hasMethods) {
- writeln('class $updatePatch extends $patchName {');
- writeln(' final $nodeName previous;');
- writeln(' $updatePatch(this.previous);');
- writeln(' int _count = 0;');
- forEachSlot(node, null, (Type slotType, String slotName) {
- writeln(' ${getPatchType(slotType)} _$slotName;');
- writeln(' set $slotName(${getPatchType(slotType)} $slotName) {');
- writeln(' ++_count;');
- writeln(' _$slotName = $slotName;');
- writeln(' }');
- });
- for (Method method in node.methods) {
- String name = method.name;
- writeln(' Function _$name;');
- writeln(' set $name(Function $name) {');
- writeln(' ++_count;');
- writeln(' _$name = $name;');
- writeln(' }');
- }
- writeln(' void $serializeSelfPatch($patchBuilderName builder, ResourceManager manager) {');
- writeln(' List<${updateBuilderName}> builders = builder.initUpdates(_count);');
- writeln(' int index = 0;');
- forEachSlot(node, null, (Type slotType, String slotName) {
- writeln(' if (_$slotName != null) {');
- if (slotType.isList || slotType.isNode || slotType.resolved != null) {
- String slotNameCamel = camelize(slotName);
- String serializeSlot = getSerializeMethodName(slotType);
- writeln(' _$slotName.$serializeSlot(builders[index++].init$slotNameCamel(), manager);');
- } else {
- writeln(' builders[index++].$slotName = _$slotName;');
- }
- writeln(' }');
- });
- for (Method method in node.methods) {
- String name = method.name;
- writeln(' if (_$name != null) {');
- writeln(' manager.removeHandler(previous.$name);');
- writeln(' builders[index++].$name = manager.addHandler(_$name);');
- writeln(' }');
- }
- writeln(' assert(index == _count);');
- writeln(' }');
- writeln('}');
- writeln();
- }
- }
-
- visitUnion(Union node) {
- // Ignored for now.
- }
-
- visitMethod(Method node) {
- // Ignored for now.
- }
-
- void _writeServiceImpl() {
- _writeHeader();
- write("""
-library ${serviceImplLib};
-
-import '${immiGenPkg}/dart/immi.dart';
-import '${serviceGenPkg}/dart/${serviceFile}.dart';
-
-class ${serviceImplName} extends ${serviceName} {
- var _nextPresenterId = 1;
- var _presenters = [null];
- var _presenterGraphs = [null];
- var _presenterNameToId = {};
-
- // TODO(zerny): Implement per-graph resource management.
- ResourceManager _manager = new ResourceManager();
-
- ${serviceImplName}();
- void add(String name, presenter) {
- assert(!_presenterNameToId.containsKey(name));
- _presenterNameToId[name] = _addPresenter(presenter);
- }
-
- int _addPresenter(presenter) {
- assert(_presenters.length == _nextPresenterId);
- assert(_presenterGraphs.length == _nextPresenterId);
- _presenters.add(presenter);
- _presenterGraphs.add(null);
- return _nextPresenterId++;
- }
-
- int getPresenter(PresenterData data) {
- String name = data.name;
- int pid = _presenterNameToId[name];
- return pid == null ? 0 : pid;
- }
-
- void reset(int pid) {
- int length = _presenterGraphs.length;
- for (int i = 0; i < length; ++i) {
- _presenterGraphs[i] = null;
- }
- _manager.clear();
- }
-
- void refresh(int pid, PatchDataBuilder builder) {
- assert(0 < pid && pid < _nextPresenterId);
- Node previous = _presenterGraphs[pid];
- Node current = _presenters[pid].present(previous);
- NodePatch patch = current.diff(previous);
- if (patch == null) {
- builder.setNoPatch();
- } else {
- _presenterGraphs[pid] = current;
- patch.serializeNode(builder.initNode(), _manager);
- }
- }
-
- void run() {
- ${serviceName}.initialize(this);
- while (${serviceName}.hasNextEvent()) {
- ${serviceName}.handleNextEvent();
- }
- }
-
-""");
- for (List<Type> formals in methodSignatures.values) {
- String suffix = actionTypeSuffix(formals);
- bool boxedArguments = formals.any((t) => t.isString);
- if (boxedArguments) {
- writeln(' void dispatch$suffix(Action${suffix}Args args) {');
- writeln(' var handler = _manager.getHandler(args.id);');
- writeln(' if (handler != null) handler(');
- for (int j = 0; j <= formals.length - 1; ++j) {
- if (j != 0) write(',');
- write('args.arg$j');
- }
- writeln(');');
- writeln(' }');
- continue;
- }
- write(' void dispatch$suffix(int id');
- int i = 0;
- for (var formal in formals) {
- write(', ');
- writeType(formal);
- write(' arg${i++}');
- }
- writeln(') {');
- writeln(' var handler = _manager.getHandler(id);');
- write(' if (handler != null) handler(');
- for (int j = 0; j <= i - 1; ++j) {
- if (j != 0) write(', ');
- write('arg$j');
- }
- writeln(');');
-
- writeln(' }');
- writeln();
- }
- writeln('}');
- writeln();
- }
-
- void _writeHeader() {
- writeln(COPYRIGHT);
- writeln('// Generated file. Do not edit.');
- writeln();
- }
-
- void _writeLibrary() {
- writeln('library $libraryName;');
- writeln();
- }
-
- void _writeImports() {
- writeln('import "$immiGenPkg/dart/immi.dart";');
- writeln('import "$serviceGenPkg/dart/$serviceFile.dart";');
- writeln();
- }
-
- static const Map<String, String> _types = const {
- 'void' : 'void',
- 'bool' : 'bool',
-
- 'uint8' : 'int',
- 'uint16' : 'int',
-
- 'int8' : 'int',
- 'int16' : 'int',
- 'int32' : 'int',
- 'int64' : 'int',
-
- 'float32' : 'double',
- 'float64' : 'double',
-
- 'String' : 'String',
- };
-
- void writeType(Type node) {
- if (node.isList) write('List<');
- if (node.isNode || (node.isList && node.elementType.isNode)) {
- write('Node');
- } else if (node.resolved != null) {
- write("${node.identifier}Node");
- } else {
- String type = _types[node.identifier];
- write(type);
- }
- if (node.isList) write('>');
- }
-}
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