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

com.google.gwt.dev.jjs.ast.JBinaryOperation
Binary operator expression.

          return;
        }


        if (caseStatement.getExpr() != null) {
          // Create an if statement equivalent to the single-case switch.
          JBinaryOperation compareOperation =
              new JBinaryOperation(x.getSourceInfo(), program.getTypePrimitiveBoolean(),
                  JBinaryOperator.EQ, x.getExpr(), caseStatement.getExpr());
          JBlock block = new JBlock(x.getSourceInfo());
          block.addStmt(statement);
          JIfStatement ifStatement =
              new JIfStatement(x.getSourceInfo(), compareOperation, block, null);

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          // don't depend on type-tightener having run
          || (program.typeOracle.willCrossCastLikeJso(argType)
              && program.typeOracle.willCrossCastLikeJso(toType));
      if (pruneTrivialCasts && isTrivialCast) {
        // trivially true if non-null; replace with a null test
        JBinaryOperation eq =
            new JBinaryOperation(x.getSourceInfo(), program.getTypePrimitiveBoolean(),
                JBinaryOperator.NEQ, x.getExpr(), program.getLiteralNull());
        ctx.replaceMe(eq);
      } else {
        // Replace the instance of check by a call to the appropriate instanceof method in class
        // Cast.

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  protected JExpression modifyResultOperation(JBinaryOperation op) {
    JType lhsType = op.getLhs().getType();
    JType rhsType = op.getRhs().getType();
    if (lhsType != rhsType) {
      // first widen binary op to encompass both sides, then add narrow cast
      return new JCastOperation(op.getSourceInfo(), lhsType, new JBinaryOperation(op
          .getSourceInfo(), widenType(lhsType, rhsType), op.getOp(), op.getLhs(), op.getRhs()));
    }
    return op;
  }

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          @Override
          public boolean visit(JExpressionStatement x, Context ctx) {
            JExpression expr = x.getExpr();
            if (expr instanceof JBinaryOperation) {
              JBinaryOperation binop = (JBinaryOperation) expr;
              if (shouldKill(binop) &&
                  !binop.getRhs().hasSideEffects()) {
                ctx.removeMe();
                return false;
              }
            }
            return true;

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          ReferenceBinding declaringClass = (ReferenceBinding) x.binding.declaringClass.erasure();
          if (declaringClass instanceof NestedTypeBinding) {
            NestedTypeBinding nestedBinding = (NestedTypeBinding) declaringClass;
            if (nestedBinding.enclosingInstances != null) {
              for (SyntheticArgumentBinding arg : nestedBinding.enclosingInstances) {
                JBinaryOperation asg = assignSyntheticField(info, arg);
                block.addStmt(asg.makeStatement());
              }
            }


            if (nestedBinding.outerLocalVariables != null) {
              for (SyntheticArgumentBinding arg : nestedBinding.outerLocalVariables) {
                JBinaryOperation asg = assignSyntheticField(info, arg);
                block.addStmt(asg.makeStatement());
              }
            }
          }
        }

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          initializers.add(makeDeclaration(info, maxVar, new JArrayLength(info, new JLocalRef(info,
              arrayVar))));


          // i$index < i$max
          JExpression condition =
              new JBinaryOperation(info, JPrimitiveType.BOOLEAN, JBinaryOperator.LT, new JLocalRef(
                  info, indexVar), new JLocalRef(info, maxVar));


          // ++i$index
          List<JExpressionStatement> increments = new ArrayList<JExpressionStatement>(1);
          increments.add(new JPrefixOperation(info, JUnaryOperator.INC, new JLocalRef(info,

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      assert param != null;
      JField field = curClass.syntheticFields.get(arg);
      assert field != null;
      JFieldRef lhs = makeInstanceFieldRef(info, field);
      JParameterRef rhs = new JParameterRef(info, param);
      JBinaryOperation asg =
          new JBinaryOperation(info, lhs.getType(), JBinaryOperator.ASG, lhs, rhs);
      return asg;
    }

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      try {
        JType type = typeMap.get(x.resolvedType);
        SourceInfo info = makeSourceInfo(x);
        JExpression exprArg2 = pop(rhs);
        JExpression exprArg1 = pop(lhs);
        push(new JBinaryOperation(info, type, op, exprArg1, exprArg2));
      } catch (Throwable e) {
        throw translateException(x, e);
      }
    }

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    return false;
  }


  @Override
  public boolean visit(JBinaryOperation x, Context ctx) {
    expression = new JBinaryOperation(x.getSourceInfo(), x.getType(),
        x.getOp(), cloneExpression(x.getLhs()), cloneExpression(x.getRhs()));
    return false;
  }

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       */
      ReplaceSideEffectsInLvalue replacer = new ReplaceSideEffectsInLvalue(
          new JMultiExpression(x.getSourceInfo()));
      JExpression newLhs = replacer.accept(x.getLhs());


      JExpression operation = new JBinaryOperation(x.getSourceInfo(),
          newLhs.getType(), op.getNonAssignmentOf(), newLhs, x.getRhs());
      operation = modifyResultOperation((JBinaryOperation) operation);
      
      // newLhs is cloned below because it was used in operation
      JBinaryOperation asg = new JBinaryOperation(x.getSourceInfo(), newLhs.getType(),
          JBinaryOperator.ASG, cloner.cloneExpression(newLhs),
          operation);


      JMultiExpression multiExpr = replacer.getMultiExpr();
      if (multiExpr.exprs.isEmpty()) {

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Related Classes of com.google.gwt.dev.jjs.ast.JBinaryOperation

com.google.gwt.dev.jjs.impl.AssertionNormalizer$AssertNormalizeVisitor

com.google.gwt.dev.jjs.impl.CastNormalizer$ConcatVisitor

com.google.gwt.dev.jjs.impl.CastNormalizer$ReplaceTypeChecksVisitor

com.google.gwt.dev.jjs.impl.CatchBlockNormalizer$CollapseCatchBlocks

com.google.gwt.dev.jjs.impl.CloneExpressionVisitor

com.google.gwt.dev.jjs.impl.CompoundAssignmentNormalizer$BreakupAssignOpsVisitor

com.google.gwt.dev.jjs.impl.CompoundAssignmentNormalizer$BreakupAssignOpsVisitor$ReplaceSideEffectsInLvalue

com.google.gwt.dev.jjs.impl.CompoundAssignmentNormalizer$ReplaceSideEffectsInLvalue

com.google.gwt.dev.jjs.impl.DeadCodeElimination$DeadCodeVisitor

com.google.gwt.dev.jjs.impl.EqualityNormalizer$BreakupAssignOpsVisitor

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