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IDEA-60499 Parameter Info not displayed when no closing paren

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Maxim.Mossienko
2010-11-23 19:49:36 +03:00
parent e88d845304
commit 71beb2c312
1 changed files with 8 additions and 2 deletions
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platform/lang-api/src/com/intellij/lang/parameterInfo/ParameterInfoUtils.java
+8 -2
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@@ -20,6 +20,7 @@ import com.intellij.lang.ASTNode;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiWhiteSpace;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.text.CharArrayUtil;
@@ -34,10 +35,15 @@ import java.util.Set;
public class ParameterInfoUtils {
public static final String DEFAULT_PARAMETER_CLOSE_CHARS = ",){}";
public static <T extends PsiElement> T findParentOfType (PsiFile file, int offset, Class<T> parentClass) {
public static @Nullable <T extends PsiElement> T findParentOfType (PsiFile file, int offset, Class<T> parentClass) {
PsiElement element = file.findElementAt(offset);
if (element == null) return null;
return PsiTreeUtil.getParentOfType(element, parentClass);
T parentOfType = PsiTreeUtil.getParentOfType(element, parentClass);
if (element instanceof PsiWhiteSpace) {
parentOfType = PsiTreeUtil.getParentOfType(PsiTreeUtil.prevLeaf(element), parentClass);
}
return parentOfType;
}
public static int getCurrentParameterIndex(ASTNode argList, int offset, IElementType delimiterType) {