Examples of com.google.gwt.dev.jjs.ast.JExpression

com.google.gwt.dev.jjs.ast.JExpression
Base class for all Java expressions.

      }
    }


    JStatement processStatement(SwitchStatement x) {
      SourceInfo info = makeSourceInfo(x);
      JExpression expression = dispProcessExpression(x.expression);
      if (expression.getType() instanceof JClassType) {
        // Must be an enum; synthesize a call to ordinal().
        expression = new JMethodCall(info, expression,
            program.getIndexedMethod("Enum.ordinal"));
      }
      JBlock block = new JBlock(info);

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      return new JSwitchStatement(info, expression, block);
    }


    JStatement processStatement(SynchronizedStatement x) {
      JBlock block = (JBlock) dispProcessStatement(x.block);
      JExpression expr = dispProcessExpression(x.expression);
      block.addStmt(0, expr.makeStatement());
      return block;
    }

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      return block;
    }


    JStatement processStatement(ThrowStatement x) {
      SourceInfo info = makeSourceInfo(x);
      JExpression toThrow = dispProcessExpression(x.exception);
      return new JThrowStatement(info, toThrow);
    }

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      // SEE NOTE ON JDT FORCED OPTIMIZATIONS
      // If the condition is false, don't process the body
      boolean removeBody = isOptimizedFalse(x.condition);


      SourceInfo info = makeSourceInfo(x);
      JExpression loopTest = dispProcessExpression(x.condition);
      JStatement loopBody = removeBody ? null : dispProcessStatement(x.action);
      JWhileStatement stmt = new JWhileStatement(info, loopTest, loopBody);
      return stmt;
    }

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    @SuppressWarnings("unused")
    JMethodCall processSuperConstructorCall(ExplicitConstructorCall x) {
      SourceInfo info = makeSourceInfo(x);
      JMethod ctor = (JMethod) typeMap.get(x.binding);
      JExpression trueQualifier = createThisRef(info, currentClass);
      JMethodCall call = new JMethodCall(info, trueQualifier, ctor);


      addCallArgs(x.arguments, call, x.binding);


      // We have to find and pass through any synthetics our supertype needs
      ReferenceBinding superClass = x.binding.declaringClass;
      if (superClass.isNestedType() && !superClass.isStatic()) {
        ReferenceBinding myBinding = currentClassScope.referenceType().binding;
        ReferenceBinding superBinding = superClass;


        // enclosing types
        if (superBinding.syntheticEnclosingInstanceTypes() != null) {
          JExpression qualifier = dispProcessExpression(x.qualification);
          for (ReferenceBinding arg : superBinding.syntheticEnclosingInstanceTypes()) {
            JClassType classType = (JClassType) typeMap.get(arg);
            if (qualifier == null) {
              /*
               * Got to be one of my params; it would be illegal to use a this

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    }


    JMethodCall processThisConstructorCall(ExplicitConstructorCall x) {
      SourceInfo info = makeSourceInfo(x);
      JMethod ctor = (JMethod) typeMap.get(x.binding);
      JExpression trueQualifier = createThisRef(info, currentClass);
      JMethodCall call = new JMethodCall(info, trueQualifier, ctor);


      assert (x.qualification == null);


      addCallArgs(x.arguments, call, x.binding);

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     * creating a naked JThisRef or you won't get the synthetic accesses right.
     */
    private JExpression createQualifiedThisRef(SourceInfo info,
        JClassType targetType) {
      assert (currentClass instanceof JClassType);
      JExpression expr = program.getExprThisRef(info, (JClassType) currentClass);
      List<JExpression> list = new ArrayList<JExpression>();
      addAllOuterThisRefsPlusSuperChain(list, expr, (JClassType) currentClass);
      return createThisRef(targetType, list);
    }

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    private JExpression createThisRef(JReferenceType qualType,
        List<JExpression> list) {
      LinkedList<JExpression> workList = new LinkedList<JExpression>();
      workList.addAll(list);
      while (!workList.isEmpty()) {
        JExpression expr = workList.removeFirst();
        JClassType classType = (JClassType) expr.getType();
        for (; classType != null; classType = classType.getSuperClass()) {
          // prefer myself or myself-as-supertype over any of my this$ fields
          // that may have already been added to the work list
          if (program.typeOracle.canTriviallyCast(classType, qualType)) {
            return expr;

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              "ParameterRef referencing param in a different method.");
        }
        return new JParameterRef(info, parameter);
      } else if (variable instanceof JField) {
        JField field = (JField) variable;
        JExpression instance = null;
        if (!field.isStatic()) {
          JClassType fieldEnclosingType = (JClassType) field.getEnclosingType();
          instance = createThisRef(info, fieldEnclosingType);
          if (!program.typeOracle.canTriviallyCast(
              (JClassType) instance.getType(), fieldEnclosingType)) {
            throw new InternalCompilerException(
                "FieldRef referencing field in a different type.");
          }
        }
        return new JFieldRef(info.makeChild(JavaASTGenerationVisitor.class,

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     * look for the specific operators that we think should match each JDT node,
     * and throw an error if there's a mismatch.
     */
    private JExpression processBinaryOperation(SourceInfo info,
        JBinaryOperator op, JType type, Expression arg1, Expression arg2) {
      JExpression exprArg1 = dispProcessExpression(arg1);
      JExpression exprArg2 = dispProcessExpression(arg2);
      JBinaryOperation binaryOperation = new JBinaryOperation(info, type, op,
          exprArg1, exprArg2);
      return binaryOperation;
    }

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