Remove service-compiler related code.

tools/servicec/lib/src/resolver.dart

-// 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 old_servicec.resolver;
-
-import 'dart:core' hide Type;
-
-import 'parser.dart';
-import 'primitives.dart' as primitives;
-import 'struct_layout.dart';
-
-void resolve(Unit unit) {
-  Definer definer = new Definer();
-  definer.visit(unit);
-  Resolver resolver = new Resolver(definer.definitions);
-  resolver.visit(unit);
-  resolver.resolveAllStructs();
-}
-
-class Definer extends ResolutionVisitor {
-  final Map<String, Node> definitions = <String, Node>{};
-
-  visitService(Service node) {
-    define(node.name, node);
-    super.visitService(node);
-  }
-
-  visitStruct(Struct node) {
-    define(node.name, node);
-    super.visitStruct(node);
-  }
-
-  void define(String name, Node node) {
-    if (definitions.containsKey(name)) {
-      throw "Multiple definitions for $name";
-    }
-    definitions[name] = node;
-  }
-}
-
-class Resolver extends ResolutionVisitor {
-  final Map<String, Node> definitions;
-  final Map<Struct, Set<Struct>> dependencyMap = <Struct, Set<Struct>>{};
-  Resolver(this.definitions);
-
-  void resolveAllStructs() {
-    for (Struct struct in dependencyMap.keys) {
-      resolveStruct(struct, new Set<Struct>());
-    }
-  }
-
-  void resolveStruct(Struct struct, Set<Struct> visited) {
-    if (visited.contains(struct)) {
-      if (struct.layout != null) return;
-      throw new UnsupportedError("Cyclic struct graph at ${struct.name}.");
-    }
-
-    visited.add(struct);
-    Set<Struct> dependencies = dependencyMap[struct];
-    dependencies.forEach((Struct each) { resolveStruct(each, visited); });
-    struct.layout = new StructLayout(struct);
-  }
-
-  visitMethod(Method node) {
-    super.visitMethod(node);
-
-    if (node.returnType.isPrimitive) {
-      node.outputKind = OutputKind.PRIMITIVE;
-    } else {
-      node.outputKind = OutputKind.STRUCT;
-      if (!node.returnType.isPointer) {
-        throw new UnsupportedError("Cannot return structs by value.");
-      }
-    }
-
-    List<Formal> arguments = node.arguments;
-    if (arguments.any((e) => !e.type.isPrimitive && !e.type.isPointer)) {
-      throw new UnsupportedError("Cannot pass structs by value as arguments.");
-    }
-
-    if (arguments.any((e) => e.type.isVoid)) {
-      throw new UnsupportedError("Cannot pass void as argument.");
-    }
-
-    if (arguments.length == 1) {
-      node.inputKind = arguments[0].type.isPrimitive
-          ? InputKind.PRIMITIVES
-          : InputKind.STRUCT;
-    } else if (arguments.any((Formal each) => !each.type.isPrimitive)) {
-      throw new UnsupportedError("Methods accepting multiple arguments can "
-                                 "only take primitive values.");
-    } else {
-      node.inputKind = InputKind.PRIMITIVES;
-    }
-
-    if (node.inputKind == InputKind.PRIMITIVES) {
-      StructLayout layout = new StructLayout.forArguments(arguments);
-      node.inputPrimitiveStructLayout = layout;
-    }
-  }
-
-  visitStruct(Struct node) {
-    super.visitStruct(node);
-
-    Iterable<Struct> computeDependencies(Iterable<Formal> slots) {
-      return slots
-          .where((Formal slot) => !slot.type.isPointer)
-          .where((Formal slot) => !slot.type.isPrimitive &&
-                                  !slot.type.isList &&
-                                  !slot.type.isString)
-          .map((Formal slot) => definitions[slot.type.identifier]);
-    }
-
-    Set<Struct> dependencies = dependencyMap[node] =
-        computeDependencies(node.slots).toSet();
-
-    if (node.slots.any((Formal slot) => slot.type.isVoid)) {
-      throw new UnsupportedError("Cannot have void slots in struct");
-    }
-
-    if (node.unions.isNotEmpty) {
-      if (node.unions.length != 1) {
-        throw new UnsupportedError("Structs can have at most one union");
-      }
-      Union union = node.unions.single;
-      union.struct = node;
-      node.slots.add(union.tag);
-      dependencies.addAll(computeDependencies(union.slots));
-    }
-  }
-
-  void resolveType(Type node) {
-    if (node.isString) return;
-    primitives.PrimitiveType primitiveType = primitives.lookup(node.identifier);
-    if (primitiveType != null) {
-      node.primitiveType = primitiveType;
-    } else {
-      String type = node.identifier;
-      if (definitions.containsKey(type)) {
-        node.resolved = definitions[type];
-      } else {
-        throw new UnsupportedError("Cannot deal with type $type");
-      }
-    }
-  }
-
-  visitFormal(Formal node) {
-    super.visitFormal(node);
-    if (node.type.isList) {
-      ListType listType = node.type;
-      if (listType.elementType.isPointer) {
-        throw new UnsupportedError("Cannot handle lists of pointers");
-      }
-    } else if (node.type.isPointer) {
-      if (node.type.isPrimitive) {
-        throw new UnsupportedError("Cannot handle pointers to primitive types");
-      }
-    }
-  }
-}
-
-class ResolutionVisitor extends Visitor {
-  visit(Node node) => node.accept(this);
-
-  visitUnit(Unit node) {
-    node.services.forEach(visit);
-    node.structs.forEach(visit);
-  }
-
-  visitService(Service node) {
-    node.methods.forEach(visit);
-  }
-
-  visitStruct(Struct node) {
-    node.slots.forEach(visit);
-    node.unions.forEach(visit);
-  }
-
-  visitUnion(Union node) {
-    visit(node.tag);
-    node.slots.forEach(visit);
-  }
-
-  visitMethod(Method node) {
-    node.arguments.forEach(visit);
-    resolveType(node.returnType);
-  }
-
-  visitFormal(Formal node) {
-    resolveType(node.type);
-  }
-
-  void resolveType(Type node) {
-  }
-}