Examples with BinaryExpression com.jetbrains.php.lang.psi.elements.BinaryExpression used on opensource projects

Example 6 with BinaryExpression

use of com.jetbrains.php.lang.psi.elements.BinaryExpression in project phpinspectionsea by kalessil.

the class SubStrShortHandUsageInspector method buildVisitor.

@Override
@NotNull
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, boolean isOnTheFly) {
    return new BasePhpElementVisitor() {

        @Override
        public void visitPhpFunctionCall(@NotNull FunctionReference reference) {
            final String functionName = reference.getName();
            if (functionName != null && substringFunctions.contains(functionName)) {
                final PsiElement[] arguments = reference.getParameters();
                if ((arguments.length == 3 || arguments.length == 4) && arguments[2] instanceof BinaryExpression) {
                    /* check if 3rd argument is "strlen($search) - strlen(...)": "strlen($search)" is not needed */
                    final BinaryExpression binary = (BinaryExpression) arguments[2];
                    if (binary.getOperationType() == PhpTokenTypes.opMINUS) {
                        final PsiElement left = binary.getLeftOperand();
                        final PsiElement right = binary.getRightOperand();
                        if (right != null && OpenapiTypesUtil.isFunctionReference(left)) {
                            final FunctionReference leftCall = (FunctionReference) left;
                            final String leftName = leftCall.getName();
                            if (leftName != null && lengthFunctions.contains(leftName)) {
                                final PsiElement[] leftArguments = leftCall.getParameters();
                                if (leftArguments.length == 1 && OpenapiEquivalenceUtil.areEqual(leftArguments[0], arguments[0])) {
                                    final PsiElement startOffset = arguments[1];
                                    if (OpenapiEquivalenceUtil.areEqual(right, startOffset)) {
                                        /* case: third parameter is not needed at all */
                                        holder.registerProblem(arguments[2], String.format(MessagesPresentationUtil.prefixWithEa(patternDropLength), arguments[2].getText()), ProblemHighlightType.LIKE_UNUSED_SYMBOL, new DropThirdParameterFix(holder.getProject(), reference));
                                    } else if (OpenapiTypesUtil.isNumber(startOffset) && OpenapiTypesUtil.isNumber(right)) {
                                        try {
                                            int offset = Integer.parseInt(startOffset.getText()) - Integer.parseInt(right.getText());
                                            if (offset < 0) {
                                                /* case: third parameter can be simplified */
                                                holder.registerProblem(binary, String.format(MessagesPresentationUtil.prefixWithEa(patternSimplifyLength), offset), new SimplifyFix(String.valueOf(offset)));
                                            } else {
                                                /* case: third parameter is not needed at all */
                                                holder.registerProblem(arguments[2], String.format(MessagesPresentationUtil.prefixWithEa(patternDropLength), arguments[2].getText()), ProblemHighlightType.LIKE_UNUSED_SYMBOL, new DropThirdParameterFix(holder.getProject(), reference));
                                            }
                                        } catch (final NumberFormatException expected) {
                                        // return;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    };
}

Example 7 with BinaryExpression

use of com.jetbrains.php.lang.psi.elements.BinaryExpression in project phpinspectionsea by kalessil.

the class ArrayIsListCanBeUsedInspector method buildVisitor.

@Override
@NotNull
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, final boolean isOnTheFly) {
    return new BasePhpElementVisitor() {

        @Override
        public void visitPhpFunctionCall(@NotNull FunctionReference reference) {
            final String functionName = reference.getName();
            if (functionName != null && (functionName.equals("array_keys") || functionName.equals("array_values"))) {
                final boolean isTargetVersion = PhpLanguageLevel.get(holder.getProject()).atLeast(PhpLanguageLevel.PHP800);
                if (isTargetVersion) {
                    final PsiElement[] arguments = reference.getParameters();
                    if (arguments.length == 1) {
                        final PsiElement context = reference.getParent();
                        if (context instanceof BinaryExpression) {
                            final BinaryExpression binary = (BinaryExpression) context;
                            final IElementType operator = binary.getOperationType();
                            if (OpenapiTypesUtil.tsCOMPARE_EQUALITY_OPS.contains(operator)) {
                                final PsiElement second = OpenapiElementsUtil.getSecondOperand(binary, reference);
                                if (functionName.equals("array_values")) {
                                    if (second != null && OpenapiEquivalenceUtil.areEqual(arguments[0], second)) {
                                        this.report(reference, operator, arguments[0]);
                                    }
                                } else if (functionName.equals("array_keys")) {
                                    if (OpenapiTypesUtil.isFunctionReference(second)) {
                                        final FunctionReference rightReference = (FunctionReference) second;
                                        final String rightFunctionName = rightReference.getName();
                                        final PsiElement[] rightArguments = rightReference.getParameters();
                                        if ((rightFunctionName != null && rightFunctionName.equals("range")) && rightArguments.length == 2) {
                                            final boolean rangeFromZero = OpenapiTypesUtil.isNumber(rightArguments[0]) && rightArguments[0].getText().equals("0");
                                            if (rangeFromZero && rightArguments[1] instanceof BinaryExpression) {
                                                final BinaryExpression rangeToBinary = (BinaryExpression) rightArguments[1];
                                                if (rangeToBinary.getOperationType() == PhpTokenTypes.opMINUS) {
                                                    final PsiElement right = rangeToBinary.getRightOperand();
                                                    final PsiElement left = rangeToBinary.getLeftOperand();
                                                    if (OpenapiTypesUtil.isNumber(right) && right.getText().equals("1") && OpenapiTypesUtil.isFunctionReference(left)) {
                                                        final FunctionReference leftReference = (FunctionReference) left;
                                                        final String leftName = leftReference.getName();
                                                        final PsiElement[] leftArguments = leftReference.getParameters();
                                                        if (leftName != null && leftName.equals("count") && leftArguments.length == 1) {
                                                            if (OpenapiEquivalenceUtil.areEqual(arguments[0], leftArguments[0])) {
                                                                this.report(reference, operator, arguments[0]);
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        private void report(@NotNull FunctionReference reference, @NotNull IElementType operator, @NotNull PsiElement argument) {
            final boolean listExpected = operator == PhpTokenTypes.opIDENTICAL || operator == PhpTokenTypes.opEQUAL;
            final String replacement = String.format("%s%sarray_is_list(%s)", listExpected ? "" : "!", reference.getImmediateNamespaceName(), argument.getText());
            holder.registerProblem(reference.getParent(), String.format(MessagesPresentationUtil.prefixWithEa(message), replacement), new UseArrayIsListFix(replacement));
        }
    };
}

Example 8 with BinaryExpression

use of com.jetbrains.php.lang.psi.elements.BinaryExpression in project phpinspectionsea by kalessil.

the class StrContainsCanBeUsedInspector method buildVisitor.

@Override
@NotNull
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, final boolean isOnTheFly) {
    return new BasePhpElementVisitor() {

        @Override
        public void visitPhpFunctionCall(@NotNull FunctionReference reference) {
            final String functionName = reference.getName();
            if (functionName != null && (functionName.equals("strpos") || functionName.equals("mb_strpos"))) {
                final boolean isTargetVersion = PhpLanguageLevel.get(holder.getProject()).atLeast(PhpLanguageLevel.PHP800);
                if (isTargetVersion) {
                    final PsiElement[] arguments = reference.getParameters();
                    if (arguments.length == 2) {
                        final PsiElement context = reference.getParent();
                        if (context instanceof BinaryExpression) {
                            final BinaryExpression binary = (BinaryExpression) context;
                            final IElementType operation = binary.getOperationType();
                            final boolean isTarget = (operation == PhpTokenTypes.opNOT_IDENTICAL || operation == PhpTokenTypes.opIDENTICAL) && PhpLanguageUtil.isFalse(OpenapiElementsUtil.getSecondOperand(binary, reference));
                            if (isTarget) {
                                final String replacement = String.format("%s%sstr_contains(%s, %s)", operation == PhpTokenTypes.opIDENTICAL ? "! " : "", reference.getImmediateNamespaceName(), arguments[0].getText(), arguments[1].getText());
                                holder.registerProblem(binary, String.format(MessagesPresentationUtil.prefixWithEa(message), replacement), new UseStrContainsFix(replacement));
                            }
                        }
                    }
                }
            }
        }
    };
}

Example 9 with BinaryExpression

use of com.jetbrains.php.lang.psi.elements.BinaryExpression in project phpinspectionsea by kalessil.

the class ComparisonOperandsOrderInspector method buildVisitor.

@Override
@NotNull
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder problemsHolder, final boolean isOnTheFly) {
    return new BasePhpElementVisitor() {

        @Override
        public void visitPhpBinaryExpression(@NotNull BinaryExpression expression) {
            final IElementType operator = expression.getOperationType();
            if (operator != null && OpenapiTypesUtil.tsCOMPARE_EQUALITY_OPS.contains(operator)) {
                final PsiElement left = expression.getLeftOperand();
                final PsiElement right = expression.getRightOperand();
                if (left != null && right != null) {
                    final boolean isLeftConstant = left instanceof StringLiteralExpression || left instanceof ConstantReference || OpenapiTypesUtil.isNumber(left);
                    final boolean isRightConstant = right instanceof StringLiteralExpression || right instanceof ConstantReference || OpenapiTypesUtil.isNumber(right);
                    if (isLeftConstant != isRightConstant) {
                        final boolean isRegular = ComparisonStyle.isRegular();
                        if (isRightConstant && !isRegular) {
                            problemsHolder.registerProblem(expression, MessagesPresentationUtil.prefixWithEa(messageUseYoda), new TheLocalFix());
                        }
                        if (isLeftConstant && isRegular) {
                            problemsHolder.registerProblem(expression, MessagesPresentationUtil.prefixWithEa(messageUseRegular), new TheLocalFix());
                        }
                    }
                }
            }
        }
    };
}

Example 10 with BinaryExpression

use of com.jetbrains.php.lang.psi.elements.BinaryExpression in project phpinspectionsea by kalessil.

the class IsCountableCanBeUsedInspector method buildVisitor.

@Override
@NotNull
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, final boolean isOnTheFly) {
    return new BasePhpElementVisitor() {

        @Override
        public void visitPhpFunctionCall(@NotNull FunctionReference reference) {
            final String functionName = reference.getName();
            if (functionName != null && functionName.equals("is_array")) {
                final boolean isTargetVersion = PhpLanguageLevel.get(holder.getProject()).atLeast(PhpLanguageLevel.PHP740);
                if (isTargetVersion) {
                    final PsiElement[] arguments = reference.getParameters();
                    final PsiElement parent = reference.getParent();
                    if (parent instanceof BinaryExpression && arguments.length == 1) {
                        final BinaryExpression binary = (BinaryExpression) parent;
                        final IElementType operation = binary.getOperationType();
                        if (operation == PhpTokenTypes.opOR) {
                            /* find the high-level binary expression */
                            BinaryExpression context = binary;
                            while (context instanceof BinaryExpression) {
                                PsiElement up = context.getParent();
                                while (up instanceof ParenthesizedExpression) {
                                    up = up.getParent();
                                }
                                if (up instanceof BinaryExpression && ((BinaryExpression) up).getOperationType() == PhpTokenTypes.opOR) {
                                    context = (BinaryExpression) up;
                                } else {
                                    break;
                                }
                            }
                            /* check the pattern */
                            final List<PsiElement> fragments = this.extract(context, PhpTokenTypes.opOR);
                            if (!fragments.isEmpty()) {
                                if (fragments.size() > 1) {
                                    for (final PsiElement fragment : fragments) {
                                        if (fragment != reference && fragment instanceof BinaryExpression) {
                                            final BinaryExpression candidate = (BinaryExpression) fragment;
                                            if (candidate.getOperationType() == PhpTokenTypes.kwINSTANCEOF) {
                                                final PsiElement clazz = candidate.getRightOperand();
                                                if (clazz instanceof ClassReference && "Countable".equals(((ClassReference) clazz).getName())) {
                                                    final PsiElement subject = candidate.getLeftOperand();
                                                    if (subject != null && OpenapiEquivalenceUtil.areEqual(subject, arguments[0])) {
                                                        final String argument = subject.getText();
                                                        holder.registerProblem(reference, String.format(MessagesPresentationUtil.prefixWithEa(message), argument, argument, argument));
                                                        break;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                                fragments.clear();
                            }
                        }
                    }
                }
            }
        }

        @NotNull
        private List<PsiElement> extract(@NotNull BinaryExpression binary, @Nullable IElementType operator) {
            final List<PsiElement> result = new ArrayList<>();
            if (binary.getOperationType() == operator) {
                Stream.of(binary.getLeftOperand(), binary.getRightOperand()).filter(Objects::nonNull).map(ExpressionSemanticUtil::getExpressionTroughParenthesis).forEach(expression -> {
                    if (expression instanceof BinaryExpression) {
                        result.addAll(this.extract((BinaryExpression) expression, operator));
                    } else {
                        result.add(expression);
                    }
                });
            } else {
                result.add(binary);
            }
            return result;
        }
    };
}