Package com.google.gwt.dev.js.ast

Examples of com.google.gwt.dev.js.ast.JsExprStmt

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        /*
         * We can ignore intermediate expressions as long as they have no
         * side-effects.
         */
        if (op.getArg2().hasSideEffects()) {
          statements.add(0, new JsExprStmt(op.getArg2()));
        }

        e = op.getArg1();
      }

      /*
       * We know the return value from the original invocation was ignored, so
       * it may be possible to ignore the final expressions as long as it has no
       * side-effects.
       */
      if (e.hasSideEffects()) {
        statements.add(0, new JsExprStmt(e));
      }

      if (statements.size() == 0) {
        // The expression contained no side effects at all.
        if (ctx.canRemove()) {
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  private static JsExpression hoistedExpression(JsStatement statement) {

    JsExpression expression;
    if (statement instanceof JsExprStmt) {
      // Extract the expression
      JsExprStmt exprStmt = (JsExprStmt) statement;
      expression = exprStmt.getExpression();

    } else if (statement instanceof JsReturn) {
      // Extract the return value
      JsReturn ret = (JsReturn) statement;
      expression = ret.getExpr();
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    SourceInfo jsInfo = baseInfo.makeChild(SourceOrigin.create(jsStartPos,
        jsEndPos, jsLine, baseInfo.getFileName()));
    try {
      List<JsStatement> result = JsParser.parse(jsInfo, scope, sr);
      JsExprStmt jsExprStmt = (JsExprStmt) result.get(0);
      return (JsFunction) jsExprStmt.getExpression();
    } catch (IOException e) {
      throw new InternalCompilerException("Internal error parsing JSNI in '"
          + enclosingType + '.' + method.toString() + '\'', e);
    } catch (JsParserException e) {
      int problemCharPos = computeAbsoluteProblemPosition(indexes, e
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  }

  private static JsExprStmt createDefineClassClone(JsExprStmt defineClassStatement) {
    Cloner cloner = new Cloner();
    cloner.accept(defineClassStatement.getExpression());
    JsExprStmt minimalDefineClassStatement = cloner.getExpression().makeStmt();
    return minimalDefineClassStatement;
  }
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    /**
     * The type whose vtables can currently be installed.
     */
    JClassType currentVtableType = null;
    JClassType pendingVtableType = null;
    JsExprStmt pendingDefineClass = null;

    List<JsStatement> statements = jsprogram.getGlobalBlock().getStatements();
    for (JsStatement statement : statements) {

      boolean keep;
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   */
  private MinimalDefineClassResult createMinimalDefineClass(LivenessPredicate livenessPredicate,
      LivenessPredicate alreadyLoadedPredicate, JsExprStmt defineClassStatement) {
    DefineClassMinimizerVisitor defineClassMinimizerVisitor =
        new DefineClassMinimizerVisitor(alreadyLoadedPredicate, livenessPredicate);
    JsExprStmt minimalDefineClassStatement = createDefineClassClone(defineClassStatement);
    defineClassMinimizerVisitor.accept(minimalDefineClassStatement);
    return new MinimalDefineClassResult(
        minimalDefineClassStatement, defineClassMinimizerVisitor.liveConstructorCount);
  }
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   */
  private JClassType vtableTypeAssigned(JsStatement stat) {
    if (!(stat instanceof JsExprStmt)) {
      return null;
    }
    JsExprStmt expr = (JsExprStmt) stat;
    if (expr.getExpression() instanceof JsInvocation) {
      // Handle a defineClass call.
      JsInvocation call = (JsInvocation) expr.getExpression();
      if (!(call.getQualifier() instanceof JsNameRef)) {
        return null;
      }
      JsNameRef func = (JsNameRef) call.getQualifier();
      JsFunction defineClassJsFunc =
          jsprogram.getIndexedFunction("JavaClassHierarchySetupUtil.defineClass");
      JsFunction defineClassJsProtoFunc =
          jsprogram.getIndexedFunction(
              "JavaClassHierarchySetupUtil.defineClassWithPrototype");
      if (func.getName() != defineClassJsFunc.getName() && func.getName() !=
          defineClassJsProtoFunc.getName()) {
        return null;
      }
      return map.typeForStatement(stat);
    }

    // Handle String.
    if (!(expr.getExpression() instanceof JsBinaryOperation)) {
      return null;
    }
    JsBinaryOperation binExpr = (JsBinaryOperation) expr.getExpression();
    if (binExpr.getOperator() != JsBinaryOperator.ASG) {
      return null;
    }
    if (!(binExpr.getArg1() instanceof JsNameRef)) {
      return null;
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          globalStmts.add(func.makeStmt());

          if (shouldEmitDisplayNames()) {
            // get the original method for this function
            JMethod originalMethod = javaMethodForJSFunction.get(func);
            JsExprStmt displayNameAssignment =
                outputDisplayName(func.getName().makeRef(func.getSourceInfo()), originalMethod);
            globalStmts.add(displayNameAssignment);
          }
        }
      }
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        // for non-statics, only setup an assignment if needed
        if (rhs != null) {
          JsNameRef fieldRef = name.makeRef(x.getSourceInfo());
          fieldRef.setQualifier(globalTemp.makeRef(x.getSourceInfo()));
          JsExpression asg = createAssignment(fieldRef, rhs);
          push(new JsExprStmt(x.getSourceInfo(), asg));
        } else {
          push(null);
        }
      }
    }
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      // initializers
      JsExpression initExpr = null;
      List<JsExprStmt> initStmts = popList(x.getInitializers().size());
      for (int i = 0; i < initStmts.size(); ++i) {
        JsExprStmt initStmt = initStmts.get(i);
        if (initStmt != null) {
          initExpr = createCommaExpression(initExpr, initStmt.getExpression());
        }
      }
      jsFor.setInitExpr(initExpr);

      push(jsFor);
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Related Classes of com.google.gwt.dev.js.ast.JsExprStmt

  • com.google.gwt.dev.javac.JsniCollector
  • com.google.gwt.dev.javac.JsniMethodCollector
  • com.google.gwt.dev.jjs.impl.BuildTypeMap$BuildDeclMapVisitor
  • com.google.gwt.dev.jjs.impl.codesplitter.FragmentExtractor
  • com.google.gwt.dev.jjs.impl.codesplitter.FragmentExtractorTest
  • com.google.gwt.dev.jjs.impl.FragmentExtractor
  • com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$CreateNamesAndScopesVisitor
  • com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$GenerateJavaScriptVisitor
  • com.google.gwt.dev.js.CoverageInstrumentorTest
  • com.google.gwt.dev.js.JsInliner
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