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Improve tracking of lookup points

ASTCache now sets the AST as the initial lookup point when invoking
an ASTRunnable.

In addition, OpenDeclarationsJob sets the selected node as a more precise
lookup point.

Change-Id: I9b32fccd80bc1b13e6da49a80a896b595784b868
This commit is contained in:
Nathan Ridge 2017-10-10 01:57:08 -04:00
parent 45101e2a64
commit 1054a38b44
2 changed files with 74 additions and 71 deletions

View file

@ -18,6 +18,7 @@ import org.eclipse.cdt.core.index.IIndexManager;
import org.eclipse.cdt.core.model.ILanguage;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.core.dom.parser.ASTTranslationUnit;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.ISafeRunnable;
@ -216,8 +217,10 @@ public class ASTCache {
return astRunnable.runOnAST(lang, ast);
}
try {
CPPSemantics.pushLookupPoint(ast);
return astRunnable.runOnAST(lang, ast);
} finally {
CPPSemantics.popLookupPoint();
releaseSharedAST(ast);
}
} catch (CoreException e) {

View file

@ -252,6 +252,8 @@ class OpenDeclarationsJob extends Job implements ASTRunnable {
if (navigateViaCElements(fTranslationUnit.getCProject(), fIndex, implicitTargets))
return Status.OK_STATUS;
} else {
CPPSemantics.pushLookupPoint(sourceName);
try {
boolean found= false;
final IASTNode parent = sourceName.getParent();
if (parent instanceof IASTPreprocessorIncludeStatement) {
@ -286,17 +288,12 @@ class OpenDeclarationsJob extends Job implements ASTRunnable {
// To try to do something useful anyways, we try to heuristically
// resolve the unknown binding to one or more concrete bindings,
// and use those instead.
try {
CPPSemantics.pushLookupPoint(sourceName);
IBinding[] resolved = HeuristicResolver.resolveUnknownBinding(
(ICPPUnknownBinding) binding);
if (resolved.length > 0) {
bindings = ArrayUtil.addAll(bindings, resolved);
continue;
}
} finally {
CPPSemantics.popLookupPoint();
}
}
if (binding instanceof ICPPUsingDeclaration) {
// Skip using-declaration bindings. Their delegates will be among the implicit targets.
@ -338,6 +335,9 @@ class OpenDeclarationsJob extends Job implements ASTRunnable {
fAction.reportSymbolLookupFailure(new String(sourceName.toCharArray()));
}
return Status.OK_STATUS;
} finally {
CPPSemantics.popLookupPoint();
}
}
// No enclosing name, check if we're in an include statement