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Java SideEffectChecker.mayHaveSideEffects方法代码示例

本文整理汇总了Java中com.siyeh.ig.psiutils.SideEffectChecker.mayHaveSideEffects方法的典型用法代码示例。如果您正苦于以下问题：Java SideEffectChecker.mayHaveSideEffects方法的具体用法？Java SideEffectChecker.mayHaveSideEffects怎么用？Java SideEffectChecker.mayHaveSideEffects使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.siyeh.ig.psiutils.SideEffectChecker的用法示例。


在下文中一共展示了SideEffectChecker.mayHaveSideEffects方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: visitMethodCallExpression

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
  super.visitMethodCallExpression(expression);
  if (!MethodCallUtils.isEqualsCall(expression)) {
    return;
  }
  final PsiReferenceExpression methodExpression = expression.getMethodExpression();
  final PsiExpression qualifier = methodExpression.getQualifierExpression();
  if (qualifier == null) {
    return;
  }
  final PsiExpressionList argumentList = expression.getArgumentList();
  final PsiExpression[] arguments = argumentList.getExpressions();
  if (arguments.length != 1) {
    return;
  }
  final PsiExpression argument = arguments[0];
  if (!EquivalenceChecker.expressionsAreEquivalent(qualifier, argument) ||
      SideEffectChecker.mayHaveSideEffects(qualifier)) {
    return;
  }
  registerMethodCallError(expression);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:24，代码来源:EqualsWithItselfInspection.java

示例2: canConvertToLambdaWithoutSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
/**
 * Checks whether method reference can be converted to lambda without significant semantics change
 * (i.e. method reference qualifier has no side effects)
 *
 * @param methodReferenceExpression method reference to check
 * @return true if method reference can be converted to lambda
 */
public static boolean canConvertToLambdaWithoutSideEffects(PsiMethodReferenceExpression methodReferenceExpression)
{
	final PsiExpression qualifierExpression = methodReferenceExpression.getQualifierExpression();
	if(qualifierExpression == null)
	{
		PsiElement resolved = methodReferenceExpression.resolve();
		if(resolved == null)
		{
			return false;
		}
		PsiClass arrayClass = JavaPsiFacade.getInstance(methodReferenceExpression.getProject()).getElementFactory().getArrayClass(PsiUtil.getLanguageLevel(methodReferenceExpression));
		return resolved == arrayClass;
	}
	return !SideEffectChecker.mayHaveSideEffects(qualifierExpression);
}
开发者ID:consulo，项目名称:consulo-java，代码行数:23，代码来源:LambdaRefactoringUtil.java

示例3: canBeSwitchExpression

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
private static boolean canBeSwitchExpression(PsiExpression expression, LanguageLevel languageLevel) {
  if (expression == null || SideEffectChecker.mayHaveSideEffects(expression)) {
    return false;
  }
  final PsiType type = expression.getType();
  if (PsiType.CHAR.equals(type) || PsiType.BYTE.equals(type) || PsiType.SHORT.equals(type) || PsiType.INT.equals(type)) {
    return true;
  }
  else if (type instanceof PsiClassType) {
    if (type.equalsToText(CommonClassNames.JAVA_LANG_CHARACTER) || type.equalsToText(CommonClassNames.JAVA_LANG_BYTE) ||
        type.equalsToText(CommonClassNames.JAVA_LANG_SHORT) || type.equalsToText(CommonClassNames.JAVA_LANG_INTEGER)) {
      return true;
    }
    if (languageLevel.isAtLeast(LanguageLevel.JDK_1_5)) {
      final PsiClassType classType = (PsiClassType)type;
      final PsiClass aClass = classType.resolve();
      if (aClass != null && aClass.isEnum()) {
        return true;
      }
    }
    if (languageLevel.isAtLeast(LanguageLevel.JDK_1_7) && type.equalsToText(CommonClassNames.JAVA_LANG_STRING)) {
      return true;
    }
  }
  return false;
}
开发者ID:consulo，项目名称:consulo-java，代码行数:27，代码来源:SwitchUtils.java

示例4: mayHaveSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
private static boolean mayHaveSideEffects(PsiDeclarationStatement statement) {
  for (PsiElement element : statement.getDeclaredElements()) {
    if (element instanceof PsiVariable) {
      PsiExpression initializer = ((PsiVariable)element).getInitializer();
      if (initializer != null && SideEffectChecker.mayHaveSideEffects(initializer)) {
        return true;
      }
    }
  }
  return false;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:12，代码来源:ContractInference.java

示例5: visitField

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@Override
public void visitField(@NotNull PsiField field) {
  if (field.hasModifierProperty(PsiModifier.STATIC)) {
    return;
  }
  if (!field.hasModifierProperty(PsiModifier.FINAL)) {
    return;
  }
  final PsiExpression initializer = field.getInitializer();
  if (initializer == null) {
    return;
  }
  if (SideEffectChecker.mayHaveSideEffects(initializer)) {
    return;
  }
  final PsiType type = field.getType();
  if (!ClassUtils.isImmutable(type)) {
    return;
  }
  final PsiClass containingClass = field.getContainingClass();
  if (containingClass != null
      && !containingClass.hasModifierProperty(PsiModifier.STATIC)
      && containingClass.getContainingClass() != null
      && !PsiUtil.isCompileTimeConstant(field)) {
    // inner class cannot have static declarations
    return;
  }
  if (containingClass instanceof PsiAnonymousClass && !PsiUtil.isCompileTimeConstant(field)) {
    return;
  }
  if (!canBeStatic(initializer)) {
    return;
  }
  registerFieldError(field);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:36，代码来源:FieldMayBeStaticInspection.java

示例6: visitBinaryExpression

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@Override
public void visitBinaryExpression(PsiBinaryExpression expression) {
  super.visitBinaryExpression(expression);
  final IElementType tokenType = expression.getOperationTokenType();
  if (!JavaTokenType.OROR.equals(tokenType)) {
    return;
  }
  final PsiExpression lhs = ParenthesesUtils.stripParentheses(expression.getLOperand());
  final PsiExpression rhs = ParenthesesUtils.stripParentheses(expression.getROperand());
  if (!(lhs instanceof PsiBinaryExpression) || !(rhs instanceof PsiBinaryExpression)) {
    return;
  }
  final PsiBinaryExpression lBinaryExpression = (PsiBinaryExpression)lhs;
  final PsiBinaryExpression rBinaryExpression = (PsiBinaryExpression)rhs;
  final IElementType lTokenType = lBinaryExpression.getOperationTokenType();
  final IElementType rTokenType = rBinaryExpression.getOperationTokenType();
  if (!JavaTokenType.ANDAND.equals(lTokenType) || !JavaTokenType.ANDAND.equals(rTokenType)) {
    return;
  }
  final PsiExpression expression1 = ParenthesesUtils.stripParentheses(lBinaryExpression.getLOperand());
  final PsiExpression expression2 = ParenthesesUtils.stripParentheses(rBinaryExpression.getLOperand());
  if (expression1 == null || expression2 == null ||
      ParenthesesUtils.stripParentheses(lBinaryExpression.getROperand()) == null ||
      ParenthesesUtils.stripParentheses(rBinaryExpression.getROperand()) == null) {
    return;
  }
  if (EquivalenceChecker.expressionsAreEquivalent(BoolUtils.getNegated(expression1), expression2) &&
      !SideEffectChecker.mayHaveSideEffects(expression2)) {
    registerError(expression);
  }
  else if (EquivalenceChecker.expressionsAreEquivalent(expression1, BoolUtils.getNegated(expression2)) &&
           !SideEffectChecker.mayHaveSideEffects(expression1)) {
    registerError(expression);
  }
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:36，代码来源:BooleanExpressionMayBeConditionalInspection.java

示例7: satisfiedBy

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
public boolean satisfiedBy(PsiElement element) {
  if (!(element instanceof PsiAssignmentExpression)) {
    return false;
  }
  final PsiAssignmentExpression assignment = (PsiAssignmentExpression)element;
  final IElementType tokenType = assignment.getOperationTokenType();
  if (!JavaTokenType.EQ.equals(tokenType)) {
    return false;
  }
  final PsiExpression rhs = assignment.getRExpression();
  final PsiExpression expression = PsiUtil.deparenthesizeExpression(rhs);
  if (!(expression instanceof PsiPolyadicExpression)) {
    return false;
  }
  final PsiPolyadicExpression polyadicExpression = (PsiPolyadicExpression)expression;
  final PsiExpression[] operands = polyadicExpression.getOperands();
  if (operands.length < 2) {
    return false;
  }
  final IElementType rhsTokenType = polyadicExpression.getOperationTokenType();
  if (JavaTokenType.OROR.equals(rhsTokenType) || JavaTokenType.ANDAND.equals(rhsTokenType) ||
      JavaTokenType.EQEQ.equals(rhsTokenType) || JavaTokenType.NE.equals(rhsTokenType)) {
    return false;
  }
  final PsiExpression lhs = assignment.getLExpression();
  if (SideEffectChecker.mayHaveSideEffects(lhs)) {
    return false;
  }
  if (!EquivalenceChecker.expressionsAreEquivalent(lhs, operands[0])) {
    return false;
  }
  return !ErrorUtil.containsError(element);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:34，代码来源:ReplaceableWithOperatorAssignmentPredicate.java

示例8: visitField

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@Override
public void visitField(@NotNull PsiField field) {
  if (field.hasModifierProperty(PsiModifier.STATIC)) {
    return;
  }
  if (!field.hasModifierProperty(PsiModifier.FINAL)) {
    return;
  }
  final PsiExpression initializer = field.getInitializer();
  if (initializer == null) {
    return;
  }
  if (SideEffectChecker.mayHaveSideEffects(initializer)) {
    return;
  }
  if (!canBeStatic(initializer)) {
    return;
  }
  final PsiType type = field.getType();
  if (!ClassUtils.isImmutable(type)) {
    return;
  }
  final PsiClass containingClass = field.getContainingClass();
  if (containingClass != null
      && !containingClass.hasModifierProperty(PsiModifier.STATIC)
      && containingClass.getContainingClass() != null
      && !PsiUtil.isCompileTimeConstant(field)) {
    // inner class cannot have static declarations
    return;
  }
  registerFieldError(field);
}
开发者ID:lshain-android-source，项目名称:tools-idea，代码行数:33，代码来源:FieldMayBeStaticInspection.java

示例9: mayHaveSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
public static boolean mayHaveSideEffects(@Nullable final PsiElement element) {
  return element instanceof PsiExpression && SideEffectChecker.mayHaveSideEffects((PsiExpression)element);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:4，代码来源:JavaCompletionUtil.java

示例10: expressionIsArrayCopy

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
private static boolean expressionIsArrayCopy(
  @Nullable PsiExpression expression,
  @NotNull PsiVariable variable,
  @Nullable PsiVariable variable2) {
  final PsiExpression strippedExpression =
    ParenthesesUtils.stripParentheses(expression);
  if (strippedExpression == null) {
    return false;
  }
  if (!(strippedExpression instanceof PsiAssignmentExpression)) {
    return false;
  }
  final PsiAssignmentExpression assignment =
    (PsiAssignmentExpression)strippedExpression;
  final IElementType tokenType = assignment.getOperationTokenType();
  if (!tokenType.equals(JavaTokenType.EQ)) {
    return false;
  }
  final PsiExpression lhs = assignment.getLExpression();
  if (SideEffectChecker.mayHaveSideEffects(lhs)) {
    return false;
  }
  if (!ExpressionUtils.isOffsetArrayAccess(lhs, variable)) {
    return false;
  }
  final PsiExpression rhs = assignment.getRExpression();
  if (rhs == null) {
    return false;
  }
  if (SideEffectChecker.mayHaveSideEffects(rhs)) {
    return false;
  }
  if (!areExpressionsCopyable(lhs, rhs)) {
    return false;
  }
  final PsiType type = lhs.getType();
  if (type instanceof PsiPrimitiveType) {
    final PsiExpression strippedLhs =
      ParenthesesUtils.stripParentheses(lhs);
    final PsiExpression strippedRhs =
      ParenthesesUtils.stripParentheses(rhs);
    if (!areExpressionsCopyable(strippedLhs, strippedRhs)) {
      return false;
    }
  }
  if (variable2 == null) {
    return ExpressionUtils.isOffsetArrayAccess(rhs, variable);
  }
  else {
    return VariableAccessUtils.evaluatesToVariable(rhs, variable2);
  }
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:53，代码来源:ManualArrayCopyInspection.java

示例11: expressionIsArrayToCollectionCopy

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
private static boolean expressionIsArrayToCollectionCopy(
  PsiExpression expression, PsiVariable variable,
  boolean shouldBeOffsetArrayAccess) {
  expression = ParenthesesUtils.stripParentheses(expression);
  if (expression == null) {
    return false;
  }
  if (!(expression instanceof PsiMethodCallExpression)) {
    return false;
  }
  final PsiMethodCallExpression methodCallExpression =
    (PsiMethodCallExpression)expression;
  final PsiExpressionList argumentList =
    methodCallExpression.getArgumentList();
  final PsiExpression[] arguments = argumentList.getExpressions();
  if (arguments.length != 1) {
    return false;
  }
  final PsiReferenceExpression methodExpression =
    methodCallExpression.getMethodExpression();
  final PsiExpression qualifier =
    methodExpression.getQualifierExpression();
  if (!(qualifier instanceof PsiReferenceExpression) &&
      !(qualifier instanceof PsiThisExpression) &&
      !(qualifier instanceof PsiSuperExpression)) {
    return false;
  }
  final PsiExpression argument = arguments[0];
  final PsiType argumentType = argument.getType();
  if (argumentType instanceof PsiPrimitiveType) {
    return false;
  }
  if (SideEffectChecker.mayHaveSideEffects(argument)) {
    return false;
  }
  if (shouldBeOffsetArrayAccess) {
    if (!ExpressionUtils.isOffsetArrayAccess(argument, variable)) {
      return false;
    }
  }
  else if (!VariableAccessUtils.evaluatesToVariable(argument,
                                                    variable)) {
    return false;
  }
  final PsiMethod method = methodCallExpression.resolveMethod();
  if (method == null) {
    return false;
  }
  @NonNls final String name = method.getName();
  if (!name.equals("add")) {
    return false;
  }
  final PsiClass containingClass = method.getContainingClass();
  return InheritanceUtil.isInheritor(containingClass,
                                     CommonClassNames.JAVA_UTIL_COLLECTION);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:57，代码来源:ManualArrayToCollectionCopyInspection.java

示例12: visitIfStatement

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@Override
public void visitIfStatement(
  @NotNull PsiIfStatement statement) {
  super.visitIfStatement(statement);
  final PsiExpression outerCondition = statement.getCondition();
  if (outerCondition == null) {
    return;
  }
  if (SideEffectChecker.mayHaveSideEffects(outerCondition)) {
    return;
  }
  PsiStatement thenBranch = statement.getThenBranch();
  thenBranch = ControlFlowUtils.stripBraces(thenBranch);
  if (!(thenBranch instanceof PsiSynchronizedStatement)) {
    return;
  }
  final PsiSynchronizedStatement synchronizedStatement =
    (PsiSynchronizedStatement)thenBranch;
  final PsiCodeBlock body = synchronizedStatement.getBody();
  if (body == null) {
    return;
  }
  final PsiStatement[] statements = body.getStatements();
  if (statements.length != 1) {
    return;
  }
  final PsiStatement firstStatement = statements[0];
  if (!(firstStatement instanceof PsiIfStatement)) {
    return;
  }
  final PsiIfStatement innerIf = (PsiIfStatement)firstStatement;
  final PsiExpression innerCondition = innerIf.getCondition();
  if (!EquivalenceChecker.expressionsAreEquivalent(innerCondition,
                                                   outerCondition)) {
    return;
  }
  final PsiField field;
  if (ignoreOnVolatileVariables) {
    field = findCheckedField(innerCondition);
    if (field != null &&
        field.hasModifierProperty(PsiModifier.VOLATILE)) {
      return;
    }
  }
  else {
    field = null;
  }
  registerStatementError(statement, field);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:50，代码来源:DoubleCheckedLockingInspection.java

示例13: areExpressionsIdenticalWithoutSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
private boolean areExpressionsIdenticalWithoutSideEffects(PsiExpression expression1, PsiExpression expression2, int index) {
  return index == 1 && EquivalenceChecker.expressionsAreEquivalent(expression1, expression2) &&
         !SideEffectChecker.mayHaveSideEffects(expression1);
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:5，代码来源:PointlessArithmeticExpressionInspection.java

示例14: mayHaveSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
public static boolean mayHaveSideEffects(@Nullable final PsiElement element)
{
	return element instanceof PsiExpression && SideEffectChecker.mayHaveSideEffects((PsiExpression) element);
}
开发者ID:consulo，项目名称:consulo-java，代码行数:5，代码来源:JavaCompletionUtilCore.java

示例15: mayHaveSideEffects

import com.siyeh.ig.psiutils.SideEffectChecker; //导入方法依赖的package包/类
@RequiredReadAction
private static boolean mayHaveSideEffects(PsiCodeBlock body, ExpressionRange range)
{
	PsiExpression expr = range.restoreExpression(body);
	return expr != null && SideEffectChecker.mayHaveSideEffects(expr);
}
开发者ID:consulo，项目名称:consulo-java，代码行数:7，代码来源:SideEffectFilter.java


注：本文中的com.siyeh.ig.psiutils.SideEffectChecker.mayHaveSideEffects方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。