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Side by Side Diff: pkg/compiler/lib/src/tree/nodes.dart

Issue 1342213003: Add optional message to assert in Dart2js - continued (Closed) Base URL: https://github.com/dart-lang/sdk.git@master
Patch Set: Add --assert-message flag Created 5 years, 3 months 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 tree; 5 part of tree;
6 6
7 abstract class Visitor<R> { 7 abstract class Visitor<R> {
8 const Visitor(); 8 const Visitor();
9 9
10 R visitNode(Node node); 10 R visitNode(Node node);
11 11
12 R visitAssert(Assert node) => visitStatement(node);
12 R visitAsyncForIn(AsyncForIn node) => visitLoop(node); 13 R visitAsyncForIn(AsyncForIn node) => visitLoop(node);
13 R visitAsyncModifier(AsyncModifier node) => visitNode(node); 14 R visitAsyncModifier(AsyncModifier node) => visitNode(node);
14 R visitAwait(Await node) => visitExpression(node); 15 R visitAwait(Await node) => visitExpression(node);
15 R visitBlock(Block node) => visitStatement(node); 16 R visitBlock(Block node) => visitStatement(node);
16 R visitBreakStatement(BreakStatement node) => visitGotoStatement(node); 17 R visitBreakStatement(BreakStatement node) => visitGotoStatement(node);
17 R visitCascade(Cascade node) => visitExpression(node); 18 R visitCascade(Cascade node) => visitExpression(node);
18 R visitCascadeReceiver(CascadeReceiver node) => visitExpression(node); 19 R visitCascadeReceiver(CascadeReceiver node) => visitExpression(node);
19 R visitCaseMatch(CaseMatch node) => visitNode(node); 20 R visitCaseMatch(CaseMatch node) => visitNode(node);
20 R visitCatchBlock(CatchBlock node) => visitNode(node); 21 R visitCatchBlock(CatchBlock node) => visitNode(node);
21 R visitClassNode(ClassNode node) => visitNode(node); 22 R visitClassNode(ClassNode node) => visitNode(node);
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139 toDebugString() { 140 toDebugString() {
140 return PrettyPrinter.prettyPrint(this); 141 return PrettyPrinter.prettyPrint(this);
141 } 142 }
142 143
143 String getObjectDescription() => super.toString(); 144 String getObjectDescription() => super.toString();
144 145
145 Token getBeginToken(); 146 Token getBeginToken();
146 147
147 Token getEndToken(); 148 Token getEndToken();
148 149
150 Assert asAssert() => null;
149 AsyncModifier asAsyncModifier() => null; 151 AsyncModifier asAsyncModifier() => null;
150 Await asAwait() => null; 152 Await asAwait() => null;
151 Block asBlock() => null; 153 Block asBlock() => null;
152 BreakStatement asBreakStatement() => null; 154 BreakStatement asBreakStatement() => null;
153 Cascade asCascade() => null; 155 Cascade asCascade() => null;
154 CascadeReceiver asCascadeReceiver() => null; 156 CascadeReceiver asCascadeReceiver() => null;
155 CaseMatch asCaseMatch() => null; 157 CaseMatch asCaseMatch() => null;
156 CatchBlock asCatchBlock() => null; 158 CatchBlock asCatchBlock() => null;
157 ClassNode asClassNode() => null; 159 ClassNode asClassNode() => null;
158 Combinator asCombinator() => null; 160 Combinator asCombinator() => null;
(...skipping 1045 matching lines...) Expand 10 before | Expand all | Expand 10 after
1204 1206
1205 visitChildren(Visitor visitor) { 1207 visitChildren(Visitor visitor) {
1206 expression.accept(visitor); 1208 expression.accept(visitor);
1207 } 1209 }
1208 1210
1209 Token getBeginToken() => awaitToken; 1211 Token getBeginToken() => awaitToken;
1210 1212
1211 Token getEndToken() => expression.getEndToken(); 1213 Token getEndToken() => expression.getEndToken();
1212 } 1214 }
1213 1215
1216 class Assert extends Statement {
1217 final Token assertToken;
1218 final Expression condition;
1219 /** Message may be `null`. */
1220 final Expression message;
1221 final Token semicolonToken;
1222
1223 Assert(this.assertToken, this.condition, this.message, this.semicolonToken);
1224
1225 Assert asAssert() => this;
1226
1227 bool get hasMessage => message != null;
1228
1229 accept(Visitor visitor) => visitor.visitAssert(this);
1230
1231 visitChildren(Visitor visitor) {
1232 condition.accept(visitor);
1233 if (message != null) message.accept(visitor);
1234 }
1235
1236 Token getBeginToken() => assertToken;
1237 Token getEndToken() => semicolonToken;
1238 }
1239
1214 class Rethrow extends Statement { 1240 class Rethrow extends Statement {
1215 final Token throwToken; 1241 final Token throwToken;
1216 final Token endToken; 1242 final Token endToken;
1217 1243
1218 Rethrow(this.throwToken, this.endToken); 1244 Rethrow(this.throwToken, this.endToken);
1219 1245
1220 Rethrow asRethrow() => this; 1246 Rethrow asRethrow() => this;
1221 1247
1222 accept(Visitor visitor) => visitor.visitRethrow(this); 1248 accept(Visitor visitor) => visitor.visitRethrow(this);
1223 visitChildren(Visitor visitor) { } 1249 visitChildren(Visitor visitor) { }
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2347 2373
2348 // VariableDefinitions. 2374 // VariableDefinitions.
2349 get metadata => null; 2375 get metadata => null;
2350 get type => null; 2376 get type => null;
2351 2377
2352 // Typedef. 2378 // Typedef.
2353 get typeParameters => null; 2379 get typeParameters => null;
2354 get formals => null; 2380 get formals => null;
2355 get typedefKeyword => null; 2381 get typedefKeyword => null;
2356 } 2382 }
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