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Code Issues Wiki Activity

Fixed 39701 [Parser] Extended syntax for template instantiation is not supported (GCC, C++)

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This commit is contained in:
John Camelon 2004-10-13 14:13:27 +00:00
parent f1617823d5
commit 69c2f46f4b
7 changed files with 65 additions and 27 deletions
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12
core/org.eclipse.cdt.core.tests/failures/org/eclipse/cdt/core/parser/failedTests/ASTFailedTests.java
View file

@ -87,18 +87,6 @@ public class ASTFailedTests extends BaseASTTest
assertCodeFailsParse("register int *foo asm (\"a5\");");
}
public void testBug39701A() throws Exception
{
assertCodeFailsParse("extern template int max (int, int);");
}
public void testBug39701B() throws Exception
{
assertCodeFailsParse("inline template class Foo<int>;");
}
public void testBug39701C() throws Exception
{
assertCodeFailsParse("static template class Foo<int>;");
}
public void testBug39702() throws Exception
{
Writer code = new StringWriter();

13
core/org.eclipse.cdt.core.tests/failures/org/eclipse/cdt/core/parser/failedTests/FailedCompleteParseASTTest.java
View file

@ -160,17 +160,4 @@ public class FailedCompleteParseASTTest extends CompleteParseBaseTest
}
public void testGNUExternalTemplate_bug71603() throws Exception {
try {
parse("template <typename T> \n class A {}; \n extern template class A<int>; \n"); //$NON-NLS-1$
fail();
} catch (ParserException e) {
assertTrue( e.getMessage().equals( "FAILURE" ) ); //$NON-NLS-1$
}
// Iterator i = parse("template <typename T> \n class A {}; \n extern template class A<int>; \n").getDeclarations();
// IASTTemplateDeclaration td = (IASTTemplateDeclaration) i.next();
// IASTClassSpecifier cs = (IASTClassSpecifier) td.getOwnedDeclaration();
// IASTTemplateInstantiation ti = (IASTTemplateInstantiation) i.next();
// assertFalse(i.hasNext());
}
}

12
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/GCCCompleteParseExtensionsTest.java
View file

@ -18,9 +18,12 @@ import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.ast.ASTPointerOperator;
import org.eclipse.cdt.core.parser.ast.ASTUtil;
import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
import org.eclipse.cdt.core.parser.ast.IASTClassSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTExpression;
import org.eclipse.cdt.core.parser.ast.IASTFunction;
import org.eclipse.cdt.core.parser.ast.IASTSimpleTypeSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTTemplateDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTTemplateInstantiation;
import org.eclipse.cdt.core.parser.ast.IASTTypedefDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTVariable;
import org.eclipse.cdt.core.parser.ast.gcc.IASTGCCExpression;
@ -235,4 +238,13 @@ public class GCCCompleteParseExtensionsTest extends CompleteParseBaseTest {
parse( writer.toString(), true, ParserLanguage.C );
}
public void testGNUExternalTemplate_bug71603() throws Exception {
Iterator i = parse("template <typename T> \n class A {}; \n extern template class A<int>; \n").getDeclarations(); //$NON-NLS-1$
IASTTemplateDeclaration td = (IASTTemplateDeclaration) i.next();
IASTClassSpecifier cs = (IASTClassSpecifier) td.getOwnedDeclaration();
IASTTemplateInstantiation ti = (IASTTemplateInstantiation) i.next();
assertFalse(i.hasNext());
}
}

13
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/GCCQuickParseExtensionsTest.java
View file

@ -150,4 +150,17 @@ public class GCCQuickParseExtensionsTest extends BaseASTTest {
writer.write( "else z = - y;\n" );//$NON-NLS-1$
writer.write( "z; }) zoot;\n" );//$NON-NLS-1$
}
public void testBug39701A() throws Exception
{
parse("extern template int max (int, int);"); //$NON-NLS-1$
}
public void testBug39701B() throws Exception
{
parse("inline template class Foo<int>;"); //$NON-NLS-1$
}
public void testBug39701C() throws Exception
{
parse("static template class Foo<int>;"); //$NON-NLS-1$
}
}

4
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/extension/IParserExtension.java
View file

@ -76,4 +76,8 @@ public interface IParserExtension {
* @return
*/
public Kind getExpressionKindForStatement();
public boolean supportsExtendedTemplateInstantiationSyntax();
public boolean isValidModifierForInstantiation( IToken la );
}

23
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/GCCParserExtension.java
View file

@ -463,4 +463,27 @@ public class GCCParserExtension implements IParserExtension {
return IASTGCCExpression.Kind.STATEMENT_EXPRESSION;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.parser.extension.IParserExtension#supportsExtendedTemplateInstantiationSyntax()
*/
public boolean supportsExtendedTemplateInstantiationSyntax() {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.parser.extension.IParserExtension#isValidModifierForInstantiation(org.eclipse.cdt.core.parser.IToken)
*/
public boolean isValidModifierForInstantiation(IToken la) {
if( la == null ) return false;
switch( la.getType() )
{
case IToken.t_static:
case IToken.t_inline:
case IToken.t_extern:
return true;
default:
return false;
}
}
}

11
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
View file

@ -3345,8 +3345,16 @@ public class Parser implements IParserData, IParser
firstToken = consume(IToken.t_export);
consume(IToken.t_template);
}
else
{
if( extension.supportsExtendedTemplateInstantiationSyntax() && extension.isValidModifierForInstantiation(LA(1)))
{
firstToken = consume(); // consume the modifier
consume( IToken.t_template );
}
else
firstToken = consume(IToken.t_template);
}
if (LT(1) != IToken.tLT)
{
// explicit-instantiation
@ -3721,6 +3729,9 @@ public class Parser implements IParserData, IParser
break;
}
default :
if( extension.supportsExtendedTemplateInstantiationSyntax() && extension.isValidModifierForInstantiation(LA(1)) && LT(2) == IToken.t_template )
resultDeclaration = templateDeclaration(scope);
else
resultDeclaration = simpleDeclarationStrategyUnion(scope, ownerTemplate, overideKind, overideKey);
}
setCompletionValues(scope, kind, KeywordSetKey.DECLARATION );