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Code Issues Wiki Activity

Content Assist after braces as part of macro expansion, bug 257915.

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This commit is contained in:
Markus Schorn 2008-12-10 09:03:15 +00:00
parent a8a55aa932
commit f0c0936852
6 changed files with 70 additions and 11 deletions
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48
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTElaboratedTypeSpecifier.java
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@ -6,25 +6,30 @@
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Rational Software - Initial API and implementation
* John Camelon (IBM Rational Software) - Initial API and implementation
* Yuan Zhang / Beth Tibbitts (IBM Research)
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTCompletionContext;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.ICompositeType;
import org.eclipse.cdt.core.dom.ast.IEnumeration;
import org.eclipse.cdt.core.dom.ast.c.ICASTElaboratedTypeSpecifier;
/**
* @author jcamelon
* Node for elaborated type specifiers (examples: struct S; union U; enum E;)
*/
public class CASTElaboratedTypeSpecifier extends CASTBaseDeclSpecifier implements
ICASTElaboratedTypeSpecifier {
ICASTElaboratedTypeSpecifier, IASTCompletionContext {
private int kind;
private IASTName name;
@ -102,4 +107,41 @@ public class CASTElaboratedTypeSpecifier extends CASTBaseDeclSpecifier implement
}
return r_reference;
}
public IBinding[] findBindings(IASTName n, boolean isPrefix) {
IBinding[] result= CVisitor.findBindingsForContentAssist(n, isPrefix);
int nextPos= 0;
for (int i = 0; i < result.length; i++) {
IBinding b= result[i];
if (b instanceof ICompositeType) {
ICompositeType ct= (ICompositeType) b;
try {
switch (ct.getKey()) {
case ICompositeType.k_struct:
if (getKind() != k_struct)
b= null;
break;
case ICompositeType.k_union:
if (getKind() != k_union)
b= null;
break;
}
} catch (DOMException e) {
// ignore and propose binding
}
} else if (b instanceof IEnumeration) {
if (getKind() != k_enum)
b= null;
}
if (b != null) {
result[nextPos++]= b;
}
}
if (nextPos != result.length) {
IBinding[] copy = new IBinding[nextPos];
System.arraycopy(result, 0, copy, 0, nextPos);
return copy;
}
return result;
}
}

5
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
View file

@ -6,7 +6,7 @@
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Rational Software - Initial API and implementation
* Andrew Niefer (IBM Rational Software) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Bryan Wilkinson (QNX)
* Andrew Ferguson (Symbian)
@ -109,8 +109,7 @@ import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
import org.eclipse.core.runtime.CoreException;
/**
* Created on Nov 5, 2004
* @author aniefer
* Collection of methods to find information in an AST.
*/
public class CVisitor {
public static class ClearBindingAction extends CASTVisitor {

2
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/GNUCPPSourceParser.java
View file

@ -2294,7 +2294,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
}
identifier= qualifiedName();
if (identifier.getLastName().toCharArray().length == 0)
if (identifier.getLastName().toCharArray().length == 0 && LT(1) != IToken.tEOC)
throwBacktrack(LA(1));
endOffset= calculateEndOffset(identifier);

6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/CPreprocessor.java
View file

@ -406,7 +406,11 @@ public class CPreprocessor implements ILexerLog, IScanner, IAdaptable {
}
public boolean isOnTopContext() {
return fCurrentContext == fRootContext;
ScannerContext ctx= fCurrentContext;
while (ctx != null && ctx.getLocationCtx() instanceof LocationCtxMacroExpansion) {
ctx= ctx.getParent();
}
return ctx == fRootContext;
}
public void cancel() {

13
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
View file

@ -1174,4 +1174,17 @@ public class CompletionTests extends AbstractContentAssistTest {
final String[] expected= {"_f204758(_e204758 x) : void"};
assertCompletionResults(fCursorOffset, expected, COMPARE_DISP_STRINGS);
}
// #define CATCH(X) } catch (X) {
// void foo() {
// try {
// CATCH(float var)
// v/*cursor*/
// } catch (int var2) {
// }
// }
public void testContentAssistWithBraceInMacro_Bug257915() throws Exception {
final String[] expected= {"var : float"};
assertCompletionResults(fCursorOffset, expected, COMPARE_DISP_STRINGS);
}
}

3
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/ParameterHintTests.java
View file

@ -51,6 +51,7 @@ public class ParameterHintTests extends AbstractContentAssistTest {
return BaseTestCase.suite(ParameterHintTests.class, "_");
}
@Override
protected IFile setUpProjectContent(IProject project) throws Exception {
String headerContent= readTaggedComment(HEADER_FILE_NAME);
StringBuffer sourceContent= getContentsForTest(1)[0];
@ -142,7 +143,7 @@ public class ParameterHintTests extends AbstractContentAssistTest {
public void testTemplateConstructor() throws Exception {
assertParameterHints(new String[] {
"tClass(T t)",
"tClass(const tClass &)"
"tClass(const tClass<T> &)"
});
}