private NamesByExprInfo suggestVariableNameByExpressionPlace( PsiExpression expr, final VariableKind variableKind, boolean correctKeywords) { if (expr.getParent() instanceof PsiExpressionList) { PsiExpressionList list = (PsiExpressionList) expr.getParent(); PsiElement listParent = list.getParent(); PsiSubstitutor subst = PsiSubstitutor.EMPTY; PsiMethod method = null; if (listParent instanceof PsiMethodCallExpression) { final JavaResolveResult resolveResult = ((PsiMethodCallExpression) listParent).getMethodExpression().advancedResolve(false); method = (PsiMethod) resolveResult.getElement(); subst = resolveResult.getSubstitutor(); } else { if (listParent instanceof PsiAnonymousClass) { listParent = listParent.getParent(); } if (listParent instanceof PsiNewExpression) { method = ((PsiNewExpression) listParent).resolveConstructor(); } } if (method != null) { final PsiElement navElement = method.getNavigationElement(); if (navElement instanceof PsiMethod) { method = (PsiMethod) navElement; } PsiExpression[] expressions = list.getExpressions(); int index = -1; for (int i = 0; i < expressions.length; i++) { if (expressions[i] == expr) { index = i; break; } } PsiParameter[] parameters = method.getParameterList().getParameters(); if (index < parameters.length) { String name = parameters[index].getName(); if (name != null && TypeConversionUtil.areTypesAssignmentCompatible( subst.substitute(parameters[index].getType()), expr)) { name = variableNameToPropertyName(name, VariableKind.PARAMETER); String[] names = getSuggestionsByName(name, variableKind, false, correctKeywords); if (expressions.length == 1) { final String methodName = method.getName(); String[] words = NameUtil.nameToWords(methodName); if (words.length > 0) { final String firstWord = words[0]; if (SET_PREFIX.equals(firstWord)) { final String propertyName = methodName.substring(firstWord.length()); final String[] setterNames = getSuggestionsByName(propertyName, variableKind, false, correctKeywords); names = ArrayUtil.mergeArrays(names, setterNames); } } } return new NamesByExprInfo(name, names); } } } } else if (expr.getParent() instanceof PsiAssignmentExpression && variableKind == VariableKind.PARAMETER) { final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) expr.getParent(); if (expr == assignmentExpression.getRExpression()) { final PsiExpression leftExpression = assignmentExpression.getLExpression(); if (leftExpression instanceof PsiReferenceExpression && ((PsiReferenceExpression) leftExpression).getQualifier() == null) { String name = leftExpression.getText(); if (name != null) { final PsiElement resolve = ((PsiReferenceExpression) leftExpression).resolve(); if (resolve instanceof PsiVariable) { name = variableNameToPropertyName(name, getVariableKind((PsiVariable) resolve)); } String[] names = getSuggestionsByName(name, variableKind, false, correctKeywords); return new NamesByExprInfo(name, names); } } } } return new NamesByExprInfo(null, ArrayUtil.EMPTY_STRING_ARRAY); }