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Side by Side Diff: dart/sdk/lib/_internal/compiler/implementation/ssa/nodes.dart

Issue 60293003: Version 0.8.10.5 (Closed) Base URL: http://dart.googlecode.com/svn/trunk/
Patch Set: Created 7 years, 1 month ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 part of ssa; 5 part of ssa;
6 6
7 abstract class HVisitor<R> { 7 abstract class HVisitor<R> {
8 R visitAdd(HAdd node); 8 R visitAdd(HAdd node);
9 R visitBitAnd(HBitAnd node); 9 R visitBitAnd(HBitAnd node);
10 R visitBitNot(HBitNot node); 10 R visitBitNot(HBitNot node);
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1197 } 1197 }
1198 1198
1199 HInstruction convertType(Compiler compiler, DartType type, int kind) { 1199 HInstruction convertType(Compiler compiler, DartType type, int kind) {
1200 if (type == null) return this; 1200 if (type == null) return this;
1201 type = type.unalias(compiler); 1201 type = type.unalias(compiler);
1202 // Only the builder knows how to create [HTypeConversion] 1202 // Only the builder knows how to create [HTypeConversion]
1203 // instructions with generics. It has the generic type context 1203 // instructions with generics. It has the generic type context
1204 // available. 1204 // available.
1205 assert(type.kind != TypeKind.TYPE_VARIABLE); 1205 assert(type.kind != TypeKind.TYPE_VARIABLE);
1206 assert(type.treatAsRaw || type.kind == TypeKind.FUNCTION); 1206 assert(type.treatAsRaw || type.kind == TypeKind.FUNCTION);
1207 if (type.treatAsDynamic) return this; 1207 if (type.isDynamic) return this;
1208 // The type element is either a class or the void element. 1208 // The type element is either a class or the void element.
1209 Element element = type.element; 1209 Element element = type.element;
1210 if (identical(element, compiler.objectClass)) return this; 1210 if (identical(element, compiler.objectClass)) return this;
1211 JavaScriptBackend backend = compiler.backend; 1211 JavaScriptBackend backend = compiler.backend;
1212 if (type.kind != TypeKind.INTERFACE) { 1212 if (type.kind != TypeKind.INTERFACE) {
1213 return new HTypeConversion(type, kind, backend.dynamicType, this); 1213 return new HTypeConversion(type, kind, backend.dynamicType, this);
1214 } else if (kind == HTypeConversion.BOOLEAN_CONVERSION_CHECK) { 1214 } else if (kind == HTypeConversion.BOOLEAN_CONVERSION_CHECK) {
1215 // Boolean conversion checks work on non-nullable booleans. 1215 // Boolean conversion checks work on non-nullable booleans.
1216 return new HTypeConversion(type, kind, backend.boolType, this); 1216 return new HTypeConversion(type, kind, backend.boolType, this);
1217 } else if (kind == HTypeConversion.CHECKED_MODE_CHECK && !type.treatAsRaw) { 1217 } else if (kind == HTypeConversion.CHECKED_MODE_CHECK && !type.treatAsRaw) {
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2820 HBasicBlock get start => expression.start; 2820 HBasicBlock get start => expression.start;
2821 HBasicBlock get end { 2821 HBasicBlock get end {
2822 // We don't create a switch block if there are no cases. 2822 // We don't create a switch block if there are no cases.
2823 assert(!statements.isEmpty); 2823 assert(!statements.isEmpty);
2824 return statements.last.end; 2824 return statements.last.end;
2825 } 2825 }
2826 2826
2827 bool accept(HStatementInformationVisitor visitor) => 2827 bool accept(HStatementInformationVisitor visitor) =>
2828 visitor.visitSwitchInfo(this); 2828 visitor.visitSwitchInfo(this);
2829 } 2829 }
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