protected static void replaceExpressionWithNegatedExpression( @NotNull PsiExpression newExpression, @NotNull PsiExpression expression) { final Project project = expression.getProject(); final PsiElementFactory factory = JavaPsiFacade.getElementFactory(project); PsiExpression expressionToReplace = expression; final String newExpressionText = newExpression.getText(); final String expString; if (BoolUtils.isNegated(expression)) { expressionToReplace = BoolUtils.findNegation(expression); expString = newExpressionText; } else if (ComparisonUtils.isComparison(newExpression)) { final PsiBinaryExpression binaryExpression = (PsiBinaryExpression) newExpression; final String negatedComparison = ComparisonUtils.getNegatedComparison(binaryExpression.getOperationTokenType()); final PsiExpression lhs = binaryExpression.getLOperand(); final PsiExpression rhs = binaryExpression.getROperand(); assert rhs != null; expString = lhs.getText() + negatedComparison + rhs.getText(); } else { if (ParenthesesUtils.getPrecedence(newExpression) > ParenthesesUtils.PREFIX_PRECEDENCE) { expString = "!(" + newExpressionText + ')'; } else { expString = '!' + newExpressionText; } } final PsiExpression newCall = factory.createExpressionFromText(expString, expression); assert expressionToReplace != null; final PsiElement insertedElement = expressionToReplace.replace(newCall); final CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(project); codeStyleManager.reformat(insertedElement); }
@Override public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) { super.visitBinaryExpression(expression); final PsiExpression rhs = expression.getROperand(); if (!(rhs != null)) { return; } if (!ComparisonUtils.isComparison(expression)) { return; } if (ComparisonUtils.isEqualityComparison(expression)) { return; } final PsiExpression lhs = expression.getLOperand(); if (!isCharacter(lhs)) { return; } if (!isCharacter(rhs)) { return; } if (NonNlsUtils.isNonNlsAnnotated(lhs) || NonNlsUtils.isNonNlsAnnotated(rhs)) { return; } registerError(expression); }
@Override public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) { super.visitBinaryExpression(expression); if (!ComparisonUtils.isComparison(expression)) { return; } final PsiExpression lhs = expression.getLOperand(); final PsiExpression rhs = expression.getROperand(); if (rhs == null || !isConstantExpression(lhs) || isConstantExpression(rhs)) { return; } registerError(expression); }
@Override public void visitBinaryExpression(PsiBinaryExpression expression) { super.visitBinaryExpression(expression); final PsiExpression rhs = expression.getROperand(); if (rhs == null) { return; } if (!ComparisonUtils.isComparison(expression)) { return; } final PsiExpression lhs = expression.getLOperand(); if (lhs instanceof PsiMethodCallExpression) { final PsiJavaToken sign = expression.getOperationSign(); if (canBeReplacedByContains(lhs, sign, rhs, false)) { registerError(expression, expression); } } else if (rhs instanceof PsiMethodCallExpression) { final PsiJavaToken sign = expression.getOperationSign(); if (canBeReplacedByContains(rhs, sign, lhs, true)) { registerError(expression, expression); } } }