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IDEA-86926 Also suggest to change parameter type if types mismatch in assignment implemented

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This commit is contained in:
Danila Ponomarenko
2012-06-07 21:16:07 +04:00
parent 3ef2ee29e1
commit acb65a92ad
1 changed files with 24 additions and 11 deletions
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java/java-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightUtil.java
+24 -11
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@@ -422,21 +422,34 @@ public class HighlightUtil {
if (rType == null) return null;
HighlightInfo highlightInfo = checkAssignability(lType, rType, rExpr, assignment);
if (highlightInfo != null) {
PsiVariable leftVar = null;
if (lExpr instanceof PsiReferenceExpression) {
PsiElement element = ((PsiReferenceExpression)lExpr).resolve();
if (element instanceof PsiVariable) {
leftVar = (PsiVariable)element;
}
}
if (leftVar != null) {
registerChangeVariableTypeFixes(leftVar, rType, highlightInfo);
}
if (highlightInfo == null) {
return null;
}
registerChangeVariableTypeFixes(lExpr, rType, highlightInfo);
if (lType != null) {
registerChangeVariableTypeFixes(rExpr, lType, highlightInfo);
}
return highlightInfo;
}
private static void registerChangeVariableTypeFixes(@NotNull PsiExpression expression,
@NotNull PsiType type,
@NotNull HighlightInfo highlightInfo) {
if (!(expression instanceof PsiReferenceExpression)){
return;
}
final PsiElement element = ((PsiReferenceExpression)expression).resolve();
if (element == null || !(element instanceof PsiVariable)){
return;
}
registerChangeVariableTypeFixes((PsiVariable)element, type, highlightInfo);
}
private static boolean isCastIntentionApplicable(@NotNull PsiExpression expression, @Nullable PsiType toType) {
while (expression instanceof PsiTypeCastExpression || expression instanceof PsiParenthesizedExpression) {
if (expression instanceof PsiTypeCastExpression) {