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

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

      // TODO(spoon): immediately simplify the newMulti
      return newMulti;
    }
    if (arg instanceof JBinaryOperation) {
      // try to invert the binary operator
      JBinaryOperation argOp = (JBinaryOperation) arg;
      JBinaryOperator op = argOp.getOp();
      JBinaryOperator newOp = null;
      if (op == JBinaryOperator.EQ) {
        // e.g. !(x == y) -> x != y
        newOp = JBinaryOperator.NEQ;
      } else if (op == JBinaryOperator.NEQ) {
        // e.g. !(x != y) -> x == y
        newOp = JBinaryOperator.EQ;
      } else if (op == JBinaryOperator.GT) {
        // e.g. !(x > y) -> x <= y
        newOp = JBinaryOperator.LTE;
      } else if (op == JBinaryOperator.LTE) {
        // e.g. !(x <= y) -> x > y
        newOp = JBinaryOperator.GT;
      } else if (op == JBinaryOperator.GTE) {
        // e.g. !(x >= y) -> x < y
        newOp = JBinaryOperator.LT;
      } else if (op == JBinaryOperator.LT) {
        // e.g. !(x < y) -> x >= y
        newOp = JBinaryOperator.GTE;
      }
      if (newOp != null) {
        JBinaryOperation newBinOp = new JBinaryOperation(argOp.getSourceInfo(),
            argOp.getType(), newOp, argOp.getLhs(), argOp.getRhs());
        return newBinOp;
      }
    } else if (arg instanceof JPrefixOperation) {
      // try to invert the unary operator

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        if (unflipExpression != null) {
          condExpr = unflipExpression;
          binaryOperator = JBinaryOperator.OR;
        }


        JBinaryOperation binaryOperation = new JBinaryOperation(sourceInfo,
            program.getTypeVoid(), binaryOperator, condExpr, thenExpression);


        return binaryOperation.makeStatement();
      }
    }


    return null;
  }

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        isStatsAvailableMethod);
    JMethodCall onModuleStartCall = new JMethodCall(sourceInfo, null,
        onModuleStartMethod);
    onModuleStartCall.addArg(program.getLiteralString(sourceInfo, mainClassName));


    JBinaryOperation amp = new JBinaryOperation(sourceInfo,
        program.getTypePrimitiveBoolean(), JBinaryOperator.AND, availableCall,
        onModuleStartCall);


    return amp.makeStatement();
  }

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        initializers.add(createDeclaration(info, maxVar, new JFieldRef(info,
            createVariableRef(info, arrayVar),
            program.getIndexedField("Array.length"), currentClass)));


        // i$index < i$max
        JExpression condition = new JBinaryOperation(info,
            program.getTypePrimitiveBoolean(), JBinaryOperator.LT,
            createVariableRef(info, indexVar), createVariableRef(info, maxVar));


        // ++i$index
        List<JExpressionStatement> increments = new ArrayList<JExpressionStatement>(

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     */
    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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    if (boxed != null) {
      // Assignment-to-unbox, e.g.
      // unbox(x) = foo -> x = box(foo)
      JClassType boxedType = (JClassType) boxed.getType();


      ctx.replaceMe(new JBinaryOperation(x.getSourceInfo(), boxedType,
          JBinaryOperator.ASG, boxed, autoboxUtils.box(x.getRhs(), boxedType)));
      return;
    }


    if (lhs instanceof JCastOperation) {
      // Assignment-to-cast-operation, e.g.
      // (Foo) x = foo -> x = foo
      JCastOperation cast = (JCastOperation) lhs;
      JBinaryOperation newAsg = new JBinaryOperation(x.getSourceInfo(),
          x.getType(), JBinaryOperator.ASG, cast.getExpr(), x.getRhs());
      ctx.replaceMe(newAsg);
    }
  }

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    public void endVisit(JBinaryOperation x, Context ctx) {
      if (x.getOp() == JBinaryOperator.CONCAT) {
        JExpression newLhs = convertString(x.getLhs());
        JExpression newRhs = convertString(x.getRhs());
        if (newLhs != x.getLhs() || newRhs != x.getRhs()) {
          JBinaryOperation newExpr = new JBinaryOperation(x.getSourceInfo(),
              program.getTypeJavaLangString(), JBinaryOperator.CONCAT, newLhs,
              newRhs);
          ctx.replaceMe(newExpr);
        }
      } else if (x.getOp() == JBinaryOperator.ASG_CONCAT) {
        JExpression newRhs = convertString(x.getRhs());
        if (newRhs != x.getRhs()) {
          JBinaryOperation newExpr = new JBinaryOperation(x.getSourceInfo(),
              program.getTypeJavaLangString(), JBinaryOperator.ASG_CONCAT,
              x.getLhs(), newRhs);
          ctx.replaceMe(newExpr);
        }
      }

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      JReferenceType argType = (JReferenceType) x.getExpr().getType();
      JReferenceType toType = x.getTestType();
      if (program.typeOracle.canTriviallyCast(argType, toType)) {
        // trivially true if non-null; replace with a null test
        JNullLiteral nullLit = program.getLiteralNull();
        JBinaryOperation eq = new JBinaryOperation(x.getSourceInfo(),
            program.getTypePrimitiveBoolean(), JBinaryOperator.NEQ,
            x.getExpr(), nullLit);
        ctx.replaceMe(eq);
      } else {
        JMethod method;

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      }


      JExpression newLhs = checkAndReplace(x.getLhs(), lhsType);
      JExpression newRhs = checkAndReplace(x.getRhs(), rhsType);
      if (newLhs != x.getLhs() || newRhs != x.getRhs()) {
        JBinaryOperation binOp = new JBinaryOperation(x.getSourceInfo(),
            resultType, x.getOp(), newLhs, newRhs);
        ctx.replaceMe(binOp);
      }
    }

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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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