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Added utilities

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This commit is contained in:
Valentin Kipyatkov
2014-10-01 22:35:05 +04:00
parent 47a311cb15
commit f8ceb039bb
1 changed files with 12 additions and 0 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/psi/psiUtil/jetPsiUtil.kt
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@@ -35,6 +35,7 @@ import com.intellij.psi.PsiDirectory
import org.jetbrains.jet.lang.psi.stubs.KotlinClassOrObjectStub import org.jetbrains.jet.lang.psi.stubs.KotlinClassOrObjectStub
import org.jetbrains.jet.lang.types.expressions.OperatorConventions import org.jetbrains.jet.lang.types.expressions.OperatorConventions
import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils
import com.intellij.lang.ASTNode
import com.intellij.psi.PsiWhiteSpace import com.intellij.psi.PsiWhiteSpace
import com.intellij.psi.PsiComment import com.intellij.psi.PsiComment
import org.jetbrains.jet.lang.resolve.calls.CallTransformer.CallForImplicitInvoke import org.jetbrains.jet.lang.resolve.calls.CallTransformer.CallForImplicitInvoke
@@ -358,11 +359,22 @@ public fun PsiElement.siblings(forward: Boolean = true, withItself: Boolean = tr
return if (withItself) stream else stream.drop(1) return if (withItself) stream else stream.drop(1)
} }
public fun ASTNode.siblings(forward: Boolean = true, withItself: Boolean = true): Stream<ASTNode> {
val stepFun = if (forward) { (node: ASTNode) -> node.getTreeNext() } else { (e: ASTNode) -> e.getTreeNext() }
val stream = stream(this, stepFun)
return if (withItself) stream else stream.drop(1)
}
public fun PsiElement.parents(withItself: Boolean = true): Stream<PsiElement> { public fun PsiElement.parents(withItself: Boolean = true): Stream<PsiElement> {
val stream = stream(this) { if (it is PsiFile) null else it.getParent() } val stream = stream(this) { if (it is PsiFile) null else it.getParent() }
return if (withItself) stream else stream.drop(1) return if (withItself) stream else stream.drop(1)
} }
public fun ASTNode.parents(withItself: Boolean = true): Stream<ASTNode> {
val stream = stream(this) { it.getTreeParent() }
return if (withItself) stream else stream.drop(1)
}
public fun JetExpression.getAssignmentByLHS(): JetBinaryExpression? { public fun JetExpression.getAssignmentByLHS(): JetBinaryExpression? {
val parent = getParent() as? JetBinaryExpression ?: return null val parent = getParent() as? JetBinaryExpression ?: return null
return if (JetPsiUtil.isAssignment(parent) && parent.getLeft() == this) parent else null return if (JetPsiUtil.isAssignment(parent) && parent.getLeft() == this) parent else null