private ReturnStatement makeNewReturnStatement(ASTRewrite rewrite, USBRVisitor visitor) { AST ast = rewrite.getAST(); ReturnStatement retVal = ast.newReturnStatement(); Expression baseExpression = (Expression) rewrite.createCopyTarget(visitor.unnecessaryStoreExpression); Operator assignOperator = visitor.unnecessaryStoreOperator; if (assignOperator != null && assignOperator != Operator.ASSIGN) { InfixExpression infixExpression = ast.newInfixExpression(); infixExpression.setLeftOperand((Expression) rewrite.createCopyTarget(visitor.storedVariable)); infixExpression.setRightOperand(baseExpression); infixExpression.setOperator(convertAssignOperatorToInfixOperator(assignOperator)); baseExpression = infixExpression; } retVal.setExpression(baseExpression); return retVal; }
private static Expression createInfixInvocationFromPostPrefixExpression(InfixExpression.Operator operator, Expression getterExpression, AST ast, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression infix = ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(operator); NumberLiteral number = ast.newNumberLiteral(); number.setToken("1"); //$NON-NLS-1$ infix.setRightOperand(number); ITypeBinding infixType = infix.resolveTypeBinding(); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); }
private static Expression createInfixInvocationFromPostPrefixExpression( InfixExpression.Operator operator, Expression getterExpression, AST ast, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression infix = ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(operator); NumberLiteral number = ast.newNumberLiteral(); number.setToken("1"); // $NON-NLS-1$ infix.setRightOperand(number); ITypeBinding infixType = infix.resolveTypeBinding(); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); }
private static Expression createInfixInvocationFromPostPrefixExpression(InfixExpression.Operator operator, Expression getterExpression, AST ast, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression infix= ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(operator); NumberLiteral number= ast.newNumberLiteral(); number.setToken("1"); //$NON-NLS-1$ infix.setRightOperand(number); ITypeBinding infixType= infix.resolveTypeBinding(); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); }
private InfixExpression.Operator convertAssignOperatorToInfixOperator(Operator assignOperator) { if (assignOperator == Operator.PLUS_ASSIGN) { return InfixExpression.Operator.PLUS; } else if (assignOperator == Operator.TIMES_ASSIGN) { return InfixExpression.Operator.TIMES; } else if (assignOperator == Operator.MINUS_ASSIGN) { return InfixExpression.Operator.MINUS; } else if (assignOperator == Operator.DIVIDE_ASSIGN) { return InfixExpression.Operator.DIVIDE; } else if (assignOperator == Operator.REMAINDER_ASSIGN) { return InfixExpression.Operator.REMAINDER; } else if (assignOperator == Operator.LEFT_SHIFT_ASSIGN) { return InfixExpression.Operator.LEFT_SHIFT; } else if (assignOperator == Operator.RIGHT_SHIFT_SIGNED_ASSIGN) { return InfixExpression.Operator.RIGHT_SHIFT_SIGNED; } else if (assignOperator == Operator.RIGHT_SHIFT_UNSIGNED_ASSIGN) { return InfixExpression.Operator.RIGHT_SHIFT_UNSIGNED; } else if (assignOperator == Operator.RIGHT_SHIFT_UNSIGNED_ASSIGN) { return InfixExpression.Operator.RIGHT_SHIFT_UNSIGNED; } else if (assignOperator == Operator.BIT_AND_ASSIGN) { return InfixExpression.Operator.AND; } else if (assignOperator == Operator.BIT_OR_ASSIGN) { return InfixExpression.Operator.OR; } else if (assignOperator == Operator.BIT_XOR_ASSIGN) { return InfixExpression.Operator.XOR; } return null; }
/** * Converts an assignment, postfix expression or prefix expression into an * assignable equivalent expression using the getter. * * @param node * the assignment/prefix/postfix node * @param astRewrite * the astRewrite to use * @param getterExpression * the expression to insert for read accesses or * <code>null</code> if such an expression does not exist * @param variableType * the type of the variable that the result will be assigned to * @param is50OrHigher * <code>true</code> if a 5.0 or higher environment can be used * @return an expression that can be assigned to the type variableType with * node being replaced by a equivalent expression using the getter */ public static Expression getAssignedValue(ASTNode node, ASTRewrite astRewrite, Expression getterExpression, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression.Operator op = null; AST ast = astRewrite.getAST(); if (isNotInBlock(node)) { return null; } if (node.getNodeType() == ASTNode.ASSIGNMENT) { Assignment assignment = ((Assignment) node); Expression rightHandSide = assignment.getRightHandSide(); Expression copiedRightOp = (Expression) astRewrite.createCopyTarget(rightHandSide); if (assignment.getOperator() == Operator.ASSIGN) { ITypeBinding rightHandSideType = rightHandSide.resolveTypeBinding(); copiedRightOp = createNarrowCastIfNessecary(copiedRightOp, rightHandSideType, ast, variableType, is50OrHigher); return copiedRightOp; } if (getterExpression != null) { InfixExpression infix = ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(ASTNodes.convertToInfixOperator(assignment.getOperator())); ITypeBinding infixType = infix.resolveTypeBinding(); if (NecessaryParenthesesChecker.needsParenthesesForRightOperand(rightHandSide, infix, variableType)) { ParenthesizedExpression p = ast.newParenthesizedExpression(); p.setExpression(copiedRightOp); copiedRightOp = p; } infix.setRightOperand(copiedRightOp); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); } } else if (node.getNodeType() == ASTNode.POSTFIX_EXPRESSION) { PostfixExpression po = (PostfixExpression) node; if (po.getOperator() == PostfixExpression.Operator.INCREMENT) { op = InfixExpression.Operator.PLUS; } if (po.getOperator() == PostfixExpression.Operator.DECREMENT) { op = InfixExpression.Operator.MINUS; } } else if (node.getNodeType() == ASTNode.PREFIX_EXPRESSION) { PrefixExpression pe = (PrefixExpression) node; if (pe.getOperator() == PrefixExpression.Operator.INCREMENT) { op = InfixExpression.Operator.PLUS; } if (pe.getOperator() == PrefixExpression.Operator.DECREMENT) { op= InfixExpression.Operator.MINUS; } } if (op != null && getterExpression != null) { return createInfixInvocationFromPostPrefixExpression(op, getterExpression, ast, variableType, is50OrHigher); } return null; }
/** * Converts an assignment, postfix expression or prefix expression into an assignable equivalent * expression using the getter. * * @param node the assignment/prefix/postfix node * @param astRewrite the astRewrite to use * @param getterExpression the expression to insert for read accesses or <code>null</code> if such * an expression does not exist * @param variableType the type of the variable that the result will be assigned to * @param is50OrHigher <code>true</code> if a 5.0 or higher environment can be used * @return an expression that can be assigned to the type variableType with node being replaced by * a equivalent expression using the getter */ public static Expression getAssignedValue( ASTNode node, ASTRewrite astRewrite, Expression getterExpression, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression.Operator op = null; AST ast = astRewrite.getAST(); if (isNotInBlock(node)) return null; if (node.getNodeType() == ASTNode.ASSIGNMENT) { Assignment assignment = ((Assignment) node); Expression rightHandSide = assignment.getRightHandSide(); Expression copiedRightOp = (Expression) astRewrite.createCopyTarget(rightHandSide); if (assignment.getOperator() == Operator.ASSIGN) { ITypeBinding rightHandSideType = rightHandSide.resolveTypeBinding(); copiedRightOp = createNarrowCastIfNessecary( copiedRightOp, rightHandSideType, ast, variableType, is50OrHigher); return copiedRightOp; } if (getterExpression != null) { InfixExpression infix = ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(ASTNodes.convertToInfixOperator(assignment.getOperator())); ITypeBinding infixType = infix.resolveTypeBinding(); if (NecessaryParenthesesChecker.needsParenthesesForRightOperand( rightHandSide, infix, variableType)) { ParenthesizedExpression p = ast.newParenthesizedExpression(); p.setExpression(copiedRightOp); copiedRightOp = p; } infix.setRightOperand(copiedRightOp); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); } } else if (node.getNodeType() == ASTNode.POSTFIX_EXPRESSION) { PostfixExpression po = (PostfixExpression) node; if (po.getOperator() == PostfixExpression.Operator.INCREMENT) op = InfixExpression.Operator.PLUS; if (po.getOperator() == PostfixExpression.Operator.DECREMENT) op = InfixExpression.Operator.MINUS; } else if (node.getNodeType() == ASTNode.PREFIX_EXPRESSION) { PrefixExpression pe = (PrefixExpression) node; if (pe.getOperator() == PrefixExpression.Operator.INCREMENT) op = InfixExpression.Operator.PLUS; if (pe.getOperator() == PrefixExpression.Operator.DECREMENT) op = InfixExpression.Operator.MINUS; } if (op != null && getterExpression != null) { return createInfixInvocationFromPostPrefixExpression( op, getterExpression, ast, variableType, is50OrHigher); } return null; }
/** * Converts an assignment, postfix expression or prefix expression into an assignable equivalent expression using the getter. * * @param node the assignment/prefix/postfix node * @param astRewrite the astRewrite to use * @param getterExpression the expression to insert for read accesses or <code>null</code> if such an expression does not exist * @param variableType the type of the variable that the result will be assigned to * @param is50OrHigher <code>true</code> if a 5.0 or higher environment can be used * @return an expression that can be assigned to the type variableType with node being replaced by a equivalent expression using the getter */ public static Expression getAssignedValue(ASTNode node, ASTRewrite astRewrite, Expression getterExpression, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression.Operator op= null; AST ast= astRewrite.getAST(); if (isNotInBlock(node)) return null; if (node.getNodeType() == ASTNode.ASSIGNMENT) { Assignment assignment= ((Assignment) node); Expression rightHandSide= assignment.getRightHandSide(); Expression copiedRightOp= (Expression) astRewrite.createCopyTarget(rightHandSide); if (assignment.getOperator() == Operator.ASSIGN) { ITypeBinding rightHandSideType= rightHandSide.resolveTypeBinding(); copiedRightOp= createNarrowCastIfNessecary(copiedRightOp, rightHandSideType, ast, variableType, is50OrHigher); return copiedRightOp; } if (getterExpression != null) { InfixExpression infix= ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(ASTNodes.convertToInfixOperator(assignment.getOperator())); ITypeBinding infixType= infix.resolveTypeBinding(); if (NecessaryParenthesesChecker.needsParenthesesForRightOperand(rightHandSide, infix, variableType)) { ParenthesizedExpression p= ast.newParenthesizedExpression(); p.setExpression(copiedRightOp); copiedRightOp= p; } infix.setRightOperand(copiedRightOp); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); } } else if (node.getNodeType() == ASTNode.POSTFIX_EXPRESSION) { PostfixExpression po= (PostfixExpression) node; if (po.getOperator() == PostfixExpression.Operator.INCREMENT) op= InfixExpression.Operator.PLUS; if (po.getOperator() == PostfixExpression.Operator.DECREMENT) op= InfixExpression.Operator.MINUS; } else if (node.getNodeType() == ASTNode.PREFIX_EXPRESSION) { PrefixExpression pe= (PrefixExpression) node; if (pe.getOperator() == PrefixExpression.Operator.INCREMENT) op= InfixExpression.Operator.PLUS; if (pe.getOperator() == PrefixExpression.Operator.DECREMENT) op= InfixExpression.Operator.MINUS; } if (op != null && getterExpression != null) { return createInfixInvocationFromPostPrefixExpression(op, getterExpression, ast, variableType, is50OrHigher); } return null; }
/** * Converts an assignment, postfix expression or prefix expression into an assignable equivalent expression using the getter. * * @param node the assignment/prefix/postfix node * @param astRewrite the astRewrite to use * @param getterExpression the expression to insert for read accesses or <code>null</code> if such an expression does not exist * @param variableType the type of the variable that the result will be assigned to * @param is50OrHigher <code>true</code> if a 5.0 or higher environment can be used * @return an expression that can be assigned to the type variableType with node being replaced by a equivalent expression using the getter */ public static Expression getAssignedValue(ASTNode node, ASTRewrite astRewrite, Expression getterExpression, ITypeBinding variableType, boolean is50OrHigher) { InfixExpression.Operator op= null; AST ast= astRewrite.getAST(); if (isNotInBlock(node)) return null; if (node.getNodeType() == ASTNode.ASSIGNMENT) { Assignment assignment= ((Assignment) node); Expression rightHandSide= assignment.getRightHandSide(); Expression copiedRightOp= (Expression) astRewrite.createCopyTarget(rightHandSide); if (assignment.getOperator() == Operator.ASSIGN) { ITypeBinding rightHandSideType= rightHandSide.resolveTypeBinding(); copiedRightOp= createNarrowCastIfNessecary(copiedRightOp, rightHandSideType, ast, variableType, is50OrHigher); return copiedRightOp; } if (getterExpression != null) { InfixExpression infix= ast.newInfixExpression(); infix.setLeftOperand(getterExpression); infix.setOperator(ASTNodes.convertToInfixOperator(assignment.getOperator())); ITypeBinding infixType= infix.resolveTypeBinding(); if (NecessaryParenthesesChecker.needsParentheses(copiedRightOp, infix, InfixExpression.RIGHT_OPERAND_PROPERTY)) { //TODO: this introduces extra parentheses as the new "infix" node doesn't have bindings ParenthesizedExpression p= ast.newParenthesizedExpression(); p.setExpression(copiedRightOp); copiedRightOp= p; } infix.setRightOperand(copiedRightOp); return createNarrowCastIfNessecary(infix, infixType, ast, variableType, is50OrHigher); } } else if (node.getNodeType() == ASTNode.POSTFIX_EXPRESSION) { PostfixExpression po= (PostfixExpression) node; if (po.getOperator() == PostfixExpression.Operator.INCREMENT) op= InfixExpression.Operator.PLUS; if (po.getOperator() == PostfixExpression.Operator.DECREMENT) op= InfixExpression.Operator.MINUS; } else if (node.getNodeType() == ASTNode.PREFIX_EXPRESSION) { PrefixExpression pe= (PrefixExpression) node; if (pe.getOperator() == PrefixExpression.Operator.INCREMENT) op= InfixExpression.Operator.PLUS; if (pe.getOperator() == PrefixExpression.Operator.DECREMENT) op= InfixExpression.Operator.MINUS; } if (op != null && getterExpression != null) { return createInfixInvocationFromPostPrefixExpression(op, getterExpression, ast, variableType, is50OrHigher); } return null; }