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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | |
| 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. | |
| 4 | |
| 5 package com.google.dart.compiler.backend.js; | |
| 6 | |
| 7 import com.google.dart.compiler.backend.js.FlatteningVisitor.TreeNode; | |
| 8 import com.google.dart.compiler.backend.js.ast.JsArrayAccess; | |
| 9 import com.google.dart.compiler.backend.js.ast.JsArrayLiteral; | |
| 10 import com.google.dart.compiler.backend.js.ast.JsBinaryOperation; | |
| 11 import com.google.dart.compiler.backend.js.ast.JsBlock; | |
| 12 import com.google.dart.compiler.backend.js.ast.JsBooleanLiteral; | |
| 13 import com.google.dart.compiler.backend.js.ast.JsBreak; | |
| 14 import com.google.dart.compiler.backend.js.ast.JsCase; | |
| 15 import com.google.dart.compiler.backend.js.ast.JsCatch; | |
| 16 import com.google.dart.compiler.backend.js.ast.JsConditional; | |
| 17 import com.google.dart.compiler.backend.js.ast.JsContext; | |
| 18 import com.google.dart.compiler.backend.js.ast.JsContinue; | |
| 19 import com.google.dart.compiler.backend.js.ast.JsDebugger; | |
| 20 import com.google.dart.compiler.backend.js.ast.JsDefault; | |
| 21 import com.google.dart.compiler.backend.js.ast.JsDoWhile; | |
| 22 import com.google.dart.compiler.backend.js.ast.JsEmpty; | |
| 23 import com.google.dart.compiler.backend.js.ast.JsExprStmt; | |
| 24 import com.google.dart.compiler.backend.js.ast.JsFor; | |
| 25 import com.google.dart.compiler.backend.js.ast.JsForIn; | |
| 26 import com.google.dart.compiler.backend.js.ast.JsFunction; | |
| 27 import com.google.dart.compiler.backend.js.ast.JsIf; | |
| 28 import com.google.dart.compiler.backend.js.ast.JsInvocation; | |
| 29 import com.google.dart.compiler.backend.js.ast.JsLabel; | |
| 30 import com.google.dart.compiler.backend.js.ast.JsName; | |
| 31 import com.google.dart.compiler.backend.js.ast.JsNameRef; | |
| 32 import com.google.dart.compiler.backend.js.ast.JsNew; | |
| 33 import com.google.dart.compiler.backend.js.ast.JsNullLiteral; | |
| 34 import com.google.dart.compiler.backend.js.ast.JsNumberLiteral; | |
| 35 import com.google.dart.compiler.backend.js.ast.JsObjectLiteral; | |
| 36 import com.google.dart.compiler.backend.js.ast.JsParameter; | |
| 37 import com.google.dart.compiler.backend.js.ast.JsPostfixOperation; | |
| 38 import com.google.dart.compiler.backend.js.ast.JsPrefixOperation; | |
| 39 import com.google.dart.compiler.backend.js.ast.JsProgram; | |
| 40 import com.google.dart.compiler.backend.js.ast.JsPropertyInitializer; | |
| 41 import com.google.dart.compiler.backend.js.ast.JsRegExp; | |
| 42 import com.google.dart.compiler.backend.js.ast.JsReturn; | |
| 43 import com.google.dart.compiler.backend.js.ast.JsStatement; | |
| 44 import com.google.dart.compiler.backend.js.ast.JsStringLiteral; | |
| 45 import com.google.dart.compiler.backend.js.ast.JsSwitch; | |
| 46 import com.google.dart.compiler.backend.js.ast.JsThisRef; | |
| 47 import com.google.dart.compiler.backend.js.ast.JsThrow; | |
| 48 import com.google.dart.compiler.backend.js.ast.JsTry; | |
| 49 import com.google.dart.compiler.backend.js.ast.JsVars; | |
| 50 import com.google.dart.compiler.backend.js.ast.JsVars.JsVar; | |
| 51 import com.google.dart.compiler.backend.js.ast.JsVisitable; | |
| 52 import com.google.dart.compiler.backend.js.ast.JsVisitor; | |
| 53 import com.google.dart.compiler.backend.js.ast.JsWhile; | |
| 54 | |
| 55 import junit.framework.Assert; | |
| 56 import junit.framework.TestCase; | |
| 57 | |
| 58 import java.util.List; | |
| 59 | |
| 60 class ComparingVisitor extends JsVisitor { | |
| 61 | |
| 62 public static void exec(List<JsStatement> expected, List<JsStatement> actual)
{ | |
| 63 TreeNode expectedTree = FlatteningVisitor.exec(expected); | |
| 64 TreeNode actualTree = FlatteningVisitor.exec(actual); | |
| 65 compare(expectedTree, actualTree); | |
| 66 } | |
| 67 | |
| 68 private static void compare(JsVisitable expected, JsVisitable actual) { | |
| 69 if (expected == actual) { | |
| 70 return; | |
| 71 } | |
| 72 Assert.assertNotNull(expected); | |
| 73 Assert.assertNotNull(actual); | |
| 74 ComparingVisitor visitor = new ComparingVisitor(expected); | |
| 75 visitor.accept(actual); | |
| 76 } | |
| 77 | |
| 78 private static void compare(TreeNode expected, TreeNode actual) { | |
| 79 compare(expected.node, actual.node); | |
| 80 List<TreeNode> expectedChildren = expected.children; | |
| 81 List<TreeNode> actualChildren = actual.children; | |
| 82 Assert.assertEquals(expectedChildren.size(), actualChildren.size()); | |
| 83 for (int i = 0; i < expectedChildren.size(); i++) { | |
| 84 compare(expectedChildren.get(i), actualChildren.get(i)); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 /** | |
| 89 * We use a raw type here because Sun's javac will barf all over the casts and | |
| 90 * instanceof tests we do all throughout this file. | |
| 91 */ | |
| 92 private final JsVisitable other; | |
| 93 | |
| 94 private ComparingVisitor(JsVisitable other) { | |
| 95 this.other = other; | |
| 96 } | |
| 97 | |
| 98 @Override | |
| 99 public boolean visit(JsArrayAccess x, JsContext ctx) { | |
| 100 Assert.assertTrue(other instanceof JsArrayAccess); | |
| 101 return false; | |
| 102 } | |
| 103 | |
| 104 @Override | |
| 105 public boolean visit(JsArrayLiteral x, JsContext ctx) { | |
| 106 Assert.assertTrue(other instanceof JsArrayLiteral); | |
| 107 return false; | |
| 108 } | |
| 109 | |
| 110 @Override | |
| 111 public boolean visit(JsBinaryOperation x, JsContext ctx) { | |
| 112 Assert.assertTrue(other instanceof JsBinaryOperation); | |
| 113 Assert.assertEquals(((JsBinaryOperation) other).getOperator().getSymbol(), | |
| 114 x.getOperator().getSymbol()); | |
| 115 return false; | |
| 116 } | |
| 117 | |
| 118 @Override | |
| 119 public boolean visit(JsBlock x, JsContext ctx) { | |
| 120 Assert.assertTrue(other instanceof JsBlock); | |
| 121 Assert.assertEquals(((JsBlock) other).isGlobalBlock(), x.isGlobalBlock()); | |
| 122 return false; | |
| 123 } | |
| 124 | |
| 125 @Override | |
| 126 public boolean visit(JsBooleanLiteral x, JsContext ctx) { | |
| 127 Assert.assertTrue(other instanceof JsBooleanLiteral); | |
| 128 Assert.assertEquals(((JsBooleanLiteral) other).getValue(), x.getValue()); | |
| 129 return false; | |
| 130 } | |
| 131 | |
| 132 @Override | |
| 133 public boolean visit(JsBreak x, JsContext ctx) { | |
| 134 Assert.assertTrue(other instanceof JsBreak); | |
| 135 Assert.assertEquals(((JsBreak) other).getLabel().getIdent(), x.getLabel().ge
tIdent()); | |
| 136 return false; | |
| 137 } | |
| 138 | |
| 139 @Override | |
| 140 public boolean visit(JsCase x, JsContext ctx) { | |
| 141 Assert.assertTrue(other instanceof JsCase); | |
| 142 return false; | |
| 143 } | |
| 144 | |
| 145 @Override | |
| 146 public boolean visit(JsCatch x, JsContext ctx) { | |
| 147 Assert.assertTrue(other instanceof JsCatch); | |
| 148 Assert.assertEquals(((JsCatch) other).getParameter().getName().getIdent(), | |
| 149 x.getParameter().getName().getIdent()); | |
| 150 return false; | |
| 151 } | |
| 152 | |
| 153 @Override | |
| 154 public boolean visit(JsConditional x, JsContext ctx) { | |
| 155 Assert.assertTrue(other instanceof JsConditional); | |
| 156 return false; | |
| 157 } | |
| 158 | |
| 159 @Override | |
| 160 public boolean visit(JsContinue x, JsContext ctx) { | |
| 161 Assert.assertTrue(other instanceof JsContinue); | |
| 162 Assert.assertEquals(((JsContinue) other).getLabel().getIdent(), x.getLabel()
.getIdent()); | |
| 163 return false; | |
| 164 } | |
| 165 | |
| 166 @Override | |
| 167 public boolean visit(JsDebugger x, JsContext ctx) { | |
| 168 Assert.assertTrue(other instanceof JsDebugger); | |
| 169 return false; | |
| 170 } | |
| 171 | |
| 172 @Override | |
| 173 public boolean visit(JsDefault x, JsContext ctx) { | |
| 174 Assert.assertTrue(other instanceof JsDefault); | |
| 175 return false; | |
| 176 } | |
| 177 | |
| 178 @Override | |
| 179 public boolean visit(JsDoWhile x, JsContext ctx) { | |
| 180 Assert.assertTrue(other instanceof JsDoWhile); | |
| 181 return false; | |
| 182 } | |
| 183 | |
| 184 @Override | |
| 185 public boolean visit(JsEmpty x, JsContext ctx) { | |
| 186 Assert.assertTrue(other instanceof JsEmpty); | |
| 187 return false; | |
| 188 } | |
| 189 | |
| 190 @Override | |
| 191 public boolean visit(JsExprStmt x, JsContext ctx) { | |
| 192 Assert.assertTrue(other instanceof JsExprStmt); | |
| 193 return false; | |
| 194 } | |
| 195 | |
| 196 @Override | |
| 197 public boolean visit(JsFor x, JsContext ctx) { | |
| 198 Assert.assertTrue(other instanceof JsFor); | |
| 199 return false; | |
| 200 } | |
| 201 | |
| 202 @Override | |
| 203 public boolean visit(JsForIn x, JsContext ctx) { | |
| 204 Assert.assertTrue(other instanceof JsForIn); | |
| 205 return false; | |
| 206 } | |
| 207 | |
| 208 @Override | |
| 209 public boolean visit(JsFunction x, JsContext ctx) { | |
| 210 Assert.assertTrue(other instanceof JsFunction); | |
| 211 JsFunction otherFunc = (JsFunction) other; | |
| 212 JsName otherName = otherFunc.getName(); | |
| 213 JsName name = x.getName(); | |
| 214 if (name != otherName) { | |
| 215 Assert.assertEquals(otherName.getIdent(), name.getIdent()); | |
| 216 } | |
| 217 return false; | |
| 218 } | |
| 219 | |
| 220 @Override | |
| 221 public boolean visit(JsIf x, JsContext ctx) { | |
| 222 Assert.assertTrue(other instanceof JsIf); | |
| 223 return false; | |
| 224 } | |
| 225 | |
| 226 @Override | |
| 227 public boolean visit(JsInvocation x, JsContext ctx) { | |
| 228 Assert.assertTrue(other instanceof JsInvocation); | |
| 229 return false; | |
| 230 } | |
| 231 | |
| 232 @Override | |
| 233 public boolean visit(JsLabel x, JsContext ctx) { | |
| 234 Assert.assertTrue(other instanceof JsLabel); | |
| 235 Assert.assertEquals(((JsLabel) other).getName().getIdent(), x.getName().getI
dent()); | |
| 236 return false; | |
| 237 } | |
| 238 | |
| 239 @Override | |
| 240 public boolean visit(JsNameRef x, JsContext ctx) { | |
| 241 Assert.assertTrue(other instanceof JsNameRef); | |
| 242 Assert.assertEquals(((JsNameRef) other).getIdent(), x.getIdent()); | |
| 243 return false; | |
| 244 } | |
| 245 | |
| 246 @Override | |
| 247 public boolean visit(JsNew x, JsContext ctx) { | |
| 248 Assert.assertTrue(other instanceof JsNew); | |
| 249 return false; | |
| 250 } | |
| 251 | |
| 252 @Override | |
| 253 public boolean visit(JsNullLiteral x, JsContext ctx) { | |
| 254 Assert.assertTrue(other instanceof JsNullLiteral); | |
| 255 return false; | |
| 256 } | |
| 257 | |
| 258 @Override | |
| 259 public boolean visit(JsNumberLiteral x, JsContext ctx) { | |
| 260 Assert.assertTrue(other instanceof JsNumberLiteral); | |
| 261 Assert.assertEquals(((JsNumberLiteral) other).getValue(), x.getValue()); | |
| 262 return false; | |
| 263 } | |
| 264 | |
| 265 @Override | |
| 266 public boolean visit(JsObjectLiteral x, JsContext ctx) { | |
| 267 Assert.assertTrue(other instanceof JsObjectLiteral); | |
| 268 return false; | |
| 269 } | |
| 270 | |
| 271 @Override | |
| 272 public boolean visit(JsParameter x, JsContext ctx) { | |
| 273 Assert.assertTrue(other instanceof JsParameter); | |
| 274 Assert.assertEquals(((JsParameter) other).getName().getIdent(), x.getName().
getIdent()); | |
| 275 return false; | |
| 276 } | |
| 277 | |
| 278 @Override | |
| 279 public boolean visit(JsPostfixOperation x, JsContext ctx) { | |
| 280 Assert.assertTrue(other instanceof JsPostfixOperation); | |
| 281 Assert.assertEquals(((JsPostfixOperation) other).getOperator().getSymbol(), | |
| 282 x.getOperator().getSymbol()); | |
| 283 return false; | |
| 284 } | |
| 285 | |
| 286 @Override | |
| 287 public boolean visit(JsPrefixOperation x, JsContext ctx) { | |
| 288 Assert.assertTrue(other instanceof JsPrefixOperation); | |
| 289 Assert.assertEquals(((JsPrefixOperation) other).getOperator().getSymbol(), | |
| 290 x.getOperator().getSymbol()); | |
| 291 return false; | |
| 292 } | |
| 293 | |
| 294 @Override | |
| 295 public boolean visit(JsProgram x, JsContext ctx) { | |
| 296 Assert.assertTrue(other instanceof JsProgram); | |
| 297 return false; | |
| 298 } | |
| 299 | |
| 300 @Override | |
| 301 public boolean visit(JsPropertyInitializer x, JsContext ctx) { | |
| 302 Assert.assertTrue(other instanceof JsPropertyInitializer); | |
| 303 return false; | |
| 304 } | |
| 305 | |
| 306 @Override | |
| 307 public boolean visit(JsRegExp x, JsContext ctx) { | |
| 308 Assert.assertTrue(other instanceof JsRegExp); | |
| 309 Assert.assertEquals(((JsRegExp) other).getFlags(), x.getFlags()); | |
| 310 Assert.assertEquals(((JsRegExp) other).getPattern(), x.getPattern()); | |
| 311 return false; | |
| 312 } | |
| 313 | |
| 314 @Override | |
| 315 public boolean visit(JsReturn x, JsContext ctx) { | |
| 316 Assert.assertTrue(other instanceof JsReturn); | |
| 317 return false; | |
| 318 } | |
| 319 | |
| 320 @Override | |
| 321 public boolean visit(JsStringLiteral x, JsContext ctx) { | |
| 322 Assert.assertTrue(other instanceof JsStringLiteral); | |
| 323 Assert.assertEquals(((JsStringLiteral) other).getValue(), x.getValue()); | |
| 324 return false; | |
| 325 } | |
| 326 | |
| 327 @Override | |
| 328 public boolean visit(JsSwitch x, JsContext ctx) { | |
| 329 Assert.assertTrue(other instanceof JsSwitch); | |
| 330 return false; | |
| 331 } | |
| 332 | |
| 333 @Override | |
| 334 public boolean visit(JsThisRef x, JsContext ctx) { | |
| 335 Assert.assertTrue(other instanceof JsThisRef); | |
| 336 return false; | |
| 337 } | |
| 338 | |
| 339 @Override | |
| 340 public boolean visit(JsThrow x, JsContext ctx) { | |
| 341 Assert.assertTrue(other instanceof JsThrow); | |
| 342 return false; | |
| 343 } | |
| 344 | |
| 345 @Override | |
| 346 public boolean visit(JsTry x, JsContext ctx) { | |
| 347 Assert.assertTrue(other instanceof JsTry); | |
| 348 return false; | |
| 349 } | |
| 350 | |
| 351 @Override | |
| 352 public boolean visit(JsVar x, JsContext ctx) { | |
| 353 TestCase.assertTrue(other instanceof JsVar); | |
| 354 TestCase.assertEquals(((JsVar) other).getName().getIdent(), x.getName().getI
dent()); | |
| 355 return false; | |
| 356 } | |
| 357 | |
| 358 public boolean visit(JsVars x, JsContext ctx) { | |
| 359 TestCase.assertTrue(other instanceof JsVars); | |
| 360 return false; | |
| 361 } | |
| 362 | |
| 363 public boolean visit(JsWhile x, JsContext ctx) { | |
| 364 TestCase.assertTrue(other instanceof JsWhile); | |
| 365 return false; | |
| 366 } | |
| 367 } | |
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Chromium Code Reviews
Issue 9479013:
Remove backends. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart