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|
/*
* Created on Mar 30, 2004
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
package org.eclipse.cdt.core.parser.tests;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Iterator;
import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTClassSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTField;
import org.eclipse.cdt.core.parser.ast.IASTFunction;
import org.eclipse.cdt.core.parser.ast.IASTMethod;
import org.eclipse.cdt.core.parser.ast.IASTNamespaceDefinition;
import org.eclipse.cdt.core.parser.ast.IASTParameterDeclaration;
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.IASTTemplateParameter;
import org.eclipse.cdt.core.parser.ast.IASTTemplatedDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTTypedefDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTVariable;
import org.eclipse.cdt.internal.core.parser.ParserException;
/**
* @author aniefer
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
public class CompleteParseASTTemplateTest extends CompleteParseBaseTest {
/**
* @param name
*/
public CompleteParseASTTemplateTest(String name) {
super(name);
}
public void testTemplateClassDeclaration() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template < class T > class A { T t; }; " );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
Iterator params = template.getTemplateParameters();
IASTTemplateParameter T = (IASTTemplateParameter) params.next();
assertEquals( T.getIdentifier(), "T" );
assertFalse( params.hasNext() );
assertFalse( i.hasNext() );
i = getDeclarations( template );
IASTClassSpecifier classA = (IASTClassSpecifier)((IASTAbstractTypeSpecifierDeclaration)i.next()).getTypeSpecifier();
assertEquals( classA.getName(), "A" );
assertFalse( i.hasNext() );
i = getDeclarations( classA );
IASTField t = (IASTField) i.next();
assertEquals( t.getName(), "t" );
IASTSimpleTypeSpecifier specifier = (IASTSimpleTypeSpecifier) t.getAbstractDeclaration().getTypeSpecifier();
assertEquals( specifier.getTypename(), "T" );
//assertEquals( specifier.getTypeSpecifier(), T ); //TODO uncomment when bug 54029 is fixed
}
public void testTemplateFunction() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template < class T > void f( T t ){} " );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
Iterator params = template.getTemplateParameters();
IASTTemplateParameter T = (IASTTemplateParameter) params.next();
assertEquals( T.getIdentifier(), "T" );
assertFalse( params.hasNext() );
assertFalse( i.hasNext() );
i = getDeclarations( template );
IASTFunction f = (IASTFunction) i.next();
assertEquals( f.getName(), "f" );
params = f.getParameters();
IASTParameterDeclaration t = (IASTParameterDeclaration) params.next();
assertEquals( t.getName(), "t" );
IASTSimpleTypeSpecifier typeSpec = (IASTSimpleTypeSpecifier) t.getTypeSpecifier();
assertEquals( typeSpec.getTypename(), "T" );
//assertEquals( typeSpec.getTypeSpecifier(), T ); //TODO uncomment when bug 54029 is fixed
}
public void testTemplateFunctionDefinition() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template <class T> void f( T t );" );
writer.write( "template <class U> void f( U u ) { }" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
Iterator params = template.getTemplateParameters();
IASTTemplateParameter T = (IASTTemplateParameter) params.next();
assertEquals( T.getIdentifier(), "T" );
assertFalse( params.hasNext() );
Iterator tempDecls = getDeclarations( template );
IASTFunction f = (IASTFunction) tempDecls.next();
assertEquals( f.getName(), "f" );
assertFalse( f.hasFunctionBody() );
assertFalse( tempDecls.hasNext() );
params = f.getParameters();
IASTParameterDeclaration t = (IASTParameterDeclaration) params.next();
assertEquals( t.getName(), "t" );
IASTSimpleTypeSpecifier typeSpec = (IASTSimpleTypeSpecifier) t.getTypeSpecifier();
assertEquals( typeSpec.getTypename(), "T" );
//assertEquals( typeSpec.getTypeSpecifier(), T ); //TODO uncomment when bug 54029 is fixed
IASTTemplateDeclaration template2 = (IASTTemplateDeclaration) i.next();
params = template2.getTemplateParameters();
IASTTemplateParameter U = (IASTTemplateParameter) params.next();
assertEquals( U.getIdentifier(), "U" );
assertFalse( params.hasNext() );
tempDecls = getDeclarations( template2 );
IASTFunction f2 = (IASTFunction) tempDecls.next();
assertEquals( f2.getName(), "f" );
assertTrue( f2.previouslyDeclared() );
params = f2.getParameters();
IASTParameterDeclaration u = (IASTParameterDeclaration) params.next();
assertEquals( u.getName(), "u" );
typeSpec = (IASTSimpleTypeSpecifier) u.getTypeSpecifier();
assertEquals( typeSpec.getTypename(), "U" );
//assertEquals( typeSpec.getTypeSpecifier(), U ); //TODO uncomment when bug 54029 is fixed
assertFalse( i.hasNext() );
}
public void testClassMemberTemplate() throws Exception{
Writer writer = new StringWriter();
writer.write( "namespace N { " );
writer.write( " class A { " );
writer.write( " template < class T > T f();" );
writer.write( " }; " );
writer.write( "}" );
writer.write( "template <class U> U N::A::f() {} " );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTNamespaceDefinition N = (IASTNamespaceDefinition) i.next();
Iterator i2 = getDeclarations( N );
IASTClassSpecifier A = (IASTClassSpecifier)((IASTAbstractTypeSpecifierDeclaration)i2.next()).getTypeSpecifier();
assertFalse( i2.hasNext() );
i2 = getDeclarations( A );
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i2.next();
Iterator params = template.getTemplateParameters();
IASTTemplateParameter T = (IASTTemplateParameter) params.next();
assertFalse( params.hasNext() );
assertFalse( i2.hasNext() );
i2 = getDeclarations( template );
IASTMethod f = (IASTMethod) i2.next();
assertEquals( ((IASTSimpleTypeSpecifier)f.getReturnType().getTypeSpecifier()).getTypename(), "T" );
assertFalse( i2.hasNext() );
IASTTemplateDeclaration template2 = (IASTTemplateDeclaration) i.next();
params = template.getTemplateParameters();
IASTTemplateParameter U = (IASTTemplateParameter) params.next();
assertFalse( params.hasNext() );
assertFalse( i.hasNext() );
i2 = getDeclarations( template2 );
IASTMethod f2 = (IASTMethod) i2.next();
assertEquals( ((IASTSimpleTypeSpecifier)f2.getReturnType().getTypeSpecifier()).getTypename(), "U" );
assertQualifiedName( f2.getFullyQualifiedName(), new String [] { "N", "A", "f" } );
assertTrue( f2.previouslyDeclared() );
assertFalse( i2.hasNext() );
}
public void testOverloadedFunctionTemplates() throws Exception
{
Writer writer = new StringWriter();
writer.write( " template < class T > void f ( T ) {} " );
writer.write( " template < class T > void f ( T * ) {} " );
writer.write( " int * p;" );
writer.write( " void main () {" );
writer.write( " f( p );" );
writer.write( " f( *p );" );
writer.write( " }" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template1 = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T1 = (IASTTemplateParameter) template1.getTemplateParameters().next();
IASTFunction f1 = (IASTFunction) template1.getOwnedDeclaration();
IASTTemplateDeclaration template2 = (IASTTemplateDeclaration) i.next();
IASTFunction f2 = (IASTFunction) template2.getOwnedDeclaration();
IASTTemplateParameter T2 = (IASTTemplateParameter) template2.getTemplateParameters().next();
IASTVariable p = (IASTVariable) i.next();
IASTFunction main = (IASTFunction) i.next();
assertFalse( i.hasNext() );
assertAllReferences( 6, createTaskList( new Task( T1 ),
new Task( T2 ),
new Task( f1, 1, false, false ),
new Task( p, 2 ),
new Task( f2, 1, false, false ) ) );
}
public void testOverloadedFunctionTemplates_2() throws Exception
{
Writer writer = new StringWriter();
writer.write("template< class T > struct A { }; \n");
writer.write("template< class T > void h( const T & ); //#1 \n");
writer.write("template< class T > void h( A<T>& ); //#2 \n");
writer.write("void foo() { \n");
writer.write(" A<int> z; \n");
writer.write(" h( z ); //calls 2 \n");
writer.write(" const A<int> z2; \n");
writer.write(" h( z2 ); //calls 1 because 2 is not callable. \n");
writer.write( "} \n");
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration templateA = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateh1 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateh2 = (IASTTemplateDeclaration) i.next();
IASTClassSpecifier A = (IASTClassSpecifier) templateA.getOwnedDeclaration();
IASTFunction h1 = (IASTFunction) templateh1.getOwnedDeclaration();
IASTFunction h2 = (IASTFunction) templateh2.getOwnedDeclaration();
IASTTemplateParameter T1 = (IASTTemplateParameter) templateA.getTemplateParameters().next();
IASTTemplateParameter T2 = (IASTTemplateParameter) templateh1.getTemplateParameters().next();
IASTTemplateParameter T3 = (IASTTemplateParameter) templateh2.getTemplateParameters().next();
IASTFunction foo = (IASTFunction) i.next();
assertFalse( i.hasNext() );
i = getDeclarations( foo );
IASTVariable z = (IASTVariable) i.next();
IASTVariable z2 = (IASTVariable) i.next();
assertFalse( i.hasNext() );
assertEquals( ((IASTSimpleTypeSpecifier)z.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A );
assertEquals( ((IASTSimpleTypeSpecifier)z2.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A );
assertAllReferences( 9, createTaskList( new Task( T2 ),
new Task( T3 ),
new Task( A, 3 ),
new Task( z ),
new Task( z2 ),
new Task( h1, 1, false, false ),
new Task( h2, 1, false, false ) ) );
}
public void testTemplateClassPartialSpecialization() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template < class T1, class T2, int I > class A {}; //#1\n" );
writer.write( "template < class T, int I > class A < T, T*, I > {}; //#2\n");
writer.write( "template < class T1, class T2, int I > class A < T1*, T2, I > {}; //#3\n");
writer.write( "template < class T > class A < int, T*, 5 > {}; //#4\n");
writer.write( "template < class T1, class T2, int I > class A < T1, T2*, I > {}; //#5\n");
writer.write( "A <int, int, 1> a1; //uses #1 \n");
writer.write( "A <int, int*, 1> a2; //uses #2, T is int, I is 1 \n");
writer.write( "A <int, char*, 5> a4; //uses #4, T is char \n");
writer.write( "A <int, char*, 1> a5; //uses #5, T is int, T2 is char, I is1 \n");
Iterator i = parse( writer.toString() ).getDeclarations();
writer.write( " A <int*, int*, 2> amgiguous; //ambiguous, matches #3 & #5 \n");
try{
//we expect this parse to fail because of the ambiguity in the last line
parse( writer.toString() );
assertFalse( true );
} catch ( ParserException e ){
assertEquals( e.getMessage(), "FAILURE" );
}
IASTTemplateDeclaration template1 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration spec2 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration spec3 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration spec4 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration spec5 = (IASTTemplateDeclaration) i.next();
IASTVariable a1 = (IASTVariable) i.next();
IASTVariable a2 = (IASTVariable) i.next();
IASTVariable a4 = (IASTVariable) i.next();
IASTVariable a5 = (IASTVariable) i.next();
assertFalse( i.hasNext() );
IASTClassSpecifier A1 = (IASTClassSpecifier)template1.getOwnedDeclaration();
IASTClassSpecifier A2 = (IASTClassSpecifier)spec2.getOwnedDeclaration();
IASTClassSpecifier A3 = (IASTClassSpecifier)spec3.getOwnedDeclaration();
IASTClassSpecifier A4 = (IASTClassSpecifier)spec4.getOwnedDeclaration();
IASTClassSpecifier A5 = (IASTClassSpecifier)spec5.getOwnedDeclaration();
assertEquals( ((IASTSimpleTypeSpecifier)a1.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A1 );
assertEquals( ((IASTSimpleTypeSpecifier)a2.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A2 );
assertEquals( ((IASTSimpleTypeSpecifier)a4.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A4 );
assertEquals( ((IASTSimpleTypeSpecifier)a5.getAbstractDeclaration().getTypeSpecifier()).getTypeSpecifier(), A5 );
}
public void testTemplateInstanceAsBaseClause() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template< class T > class A { T t; }; \n" );
writer.write( "class B : public A< int > {}; \n" );
writer.write( "void f( int ); \n" );
writer.write( "void main(){ \n" );
writer.write( " B b; \n" );
writer.write( " f( b.t ); \n" ); //if this function call is good, it implies that b.t is type int
writer.write( "} \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T = (IASTTemplateParameter) template.getTemplateParameters().next();
IASTClassSpecifier B = (IASTClassSpecifier)((IASTAbstractTypeSpecifierDeclaration)i.next()).getTypeSpecifier();
IASTFunction f = (IASTFunction) i.next();
IASTFunction main = (IASTFunction) i.next();
assertFalse( i.hasNext() );
IASTClassSpecifier A = (IASTClassSpecifier) template.getOwnedDeclaration();
i = getDeclarations( A );
IASTField t = (IASTField) i.next();
assertFalse( i.hasNext() );
i = getDeclarations( main );
IASTVariable b = (IASTVariable) i.next();
assertFalse( i.hasNext() );
assertAllReferences( 6, createTaskList( new Task( T ),
new Task( A ),
new Task( B ),
new Task( b ),
new Task( t ),
new Task( f ) ) );
}
public void testTemplateParameterAsBaseClause() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template < class T > class A : public T {}; \n" );
writer.write( "class B { int i; }; \n" );
writer.write( "void main() { \n" );
writer.write( " A<B> a; \n" );
writer.write( " a.i; \n" );
writer.write( "} \n" );
writer.write( "\n" );
Iterator iter = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) iter.next();
IASTTemplateParameter T = (IASTTemplateParameter) template.getTemplateParameters().next();
IASTClassSpecifier B = (IASTClassSpecifier)((IASTAbstractTypeSpecifierDeclaration)iter.next()).getTypeSpecifier();
IASTFunction main = (IASTFunction) iter.next();
assertFalse( iter.hasNext() );
IASTClassSpecifier A = (IASTClassSpecifier) template.getOwnedDeclaration();
iter = getDeclarations( B );
IASTVariable i = (IASTVariable) iter.next();
iter = getDeclarations( main );
IASTVariable a = (IASTVariable) iter.next();
assertAllReferences( 5, createTaskList( new Task( T ), new Task( A ), new Task( B ), new Task( a ), new Task( i ) ) );
}
public void testTypedefedTemplate() throws Exception{
Writer writer = new StringWriter();
writer.write( "template < class T > class _A{ int x; }; \n" );
writer.write( "typedef _A < char > A; \n" );
writer.write( "void foo() { \n" );
writer.write( " A a; \n" );
writer.write( " a.x; \n" );
writer.write( "} \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration _A = (IASTTemplateDeclaration) i.next();
IASTTypedefDeclaration A = (IASTTypedefDeclaration) i.next();
IASTFunction foo = (IASTFunction) i.next();
IASTClassSpecifier classA = (IASTClassSpecifier) _A.getOwnedDeclaration();
IASTVariable x = (IASTVariable) getDeclarations( classA ).next();
IASTVariable a = (IASTVariable) getDeclarations( foo ).next();
assertAllReferences( 4, createTaskList( new Task( classA ), new Task( A ), new Task( a ), new Task( x ) ) );
}
public void testTypedefedTemplate_2() throws Exception{
Writer writer = new StringWriter();
writer.write( "template < class T > struct A { T x; }; \n" );
writer.write( "template < class U > struct B { \n" );
writer.write( " typedef A< U > AU; \n" );
writer.write( " void f( U ); \n" );
writer.write( " void f( char ); \n" );
writer.write( " void g(){ \n" );
writer.write( " AU au; \n" );
writer.write( " f( au.x ); \n" );
writer.write( " } \n" );
writer.write( "}; \n" );
writer.write( "void f2( int ); \n" );
writer.write( "void f2( char ); \n" );
writer.write( "void h(){ \n" );
writer.write( " B< int >::AU b; \n" );
writer.write( " f2( b.x ); \n" );
writer.write( "} \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration tA = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T = (IASTTemplateParameter) tA.getTemplateParameters().next();
IASTClassSpecifier A = (IASTClassSpecifier) tA.getOwnedDeclaration();
IASTField x = (IASTField) getDeclarations( A ).next();
IASTTemplateDeclaration tB = (IASTTemplateDeclaration) i.next();
IASTClassSpecifier B = (IASTClassSpecifier) tB.getOwnedDeclaration();
IASTTemplateParameter U = (IASTTemplateParameter) tB.getTemplateParameters().next();
IASTFunction f21 = (IASTFunction) i.next();
IASTFunction f22 = (IASTFunction) i.next();
IASTFunction h = (IASTFunction) i.next();
i = getDeclarations( B );
IASTTypedefDeclaration AU = (IASTTypedefDeclaration) i.next();
IASTMethod f11 = (IASTMethod) i.next();
IASTMethod f12 = (IASTMethod) i.next();
IASTMethod g = (IASTMethod) i.next();
IASTVariable au = (IASTVariable) getDeclarations( g ).next();
IASTVariable b = (IASTVariable) getDeclarations( h ).next();
assertAllReferences( 13, createTaskList( new Task( A ),
new Task( T ),
new Task( U, 2 ),
new Task( AU, 2 ),
new Task( au ),
new Task( x, 2 ),
new Task( f11, 1, false, false ),
new Task( B ),
new Task( b ),
new Task( f21, 1, false, false ) ) );
}
public void testInstantiatingDeferredInstances() throws Exception{
Writer writer = new StringWriter();
writer.write( "template < class T > struct A { A < T > next; }; \n" );
writer.write( "A< int > a; \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T = (IASTTemplateParameter) template.getTemplateParameters().next();
IASTClassSpecifier A = (IASTClassSpecifier) template.getOwnedDeclaration();
IASTField next = (IASTField) getDeclarations( A ).next();
IASTVariable a = (IASTVariable) i.next();
assertAllReferences( 3, createTaskList( new Task( A, 2 ), new Task( T ) ) );
}
public void testTemplateArgumentDeduction() throws Exception{
Writer writer = new StringWriter();
writer.write( "template< class T > struct B {}; \n" );
writer.write( "template< class T > struct D : public B < T > {}; \n" );
writer.write( "struct D2 : public B< int > {}; \n" );
writer.write( "template< class T > T f( B<T> & ) {} \n" );
writer.write( "void test( int ); \n" );
writer.write( "void test( char ); \n" );
writer.write( "void main() { \n" );
writer.write( " D<int> d; \n" );
writer.write( " D2 d2; \n" );
writer.write( " test( f( d ) ); \n" );
writer.write( " test( f( d2 ) ); \n" );
writer.write( "} \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration templateB = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateD = (IASTTemplateDeclaration) i.next();
IASTClassSpecifier D2 = (IASTClassSpecifier)((IASTAbstractTypeSpecifierDeclaration)i.next()).getTypeSpecifier();
IASTTemplateDeclaration templateF = (IASTTemplateDeclaration) i.next();
IASTFunction test1 = (IASTFunction) i.next();
IASTFunction test2 = (IASTFunction) i.next();
IASTFunction main = (IASTFunction) i.next();
assertFalse( i.hasNext() );
assertReferenceTask( new Task( test1, 2, false, false ) );
}
public void testClassTemplateStaticMemberDefinition() throws Exception {
Writer writer = new StringWriter();
writer.write( "template< class T > class A{ \n" );
writer.write( " typedef T * PT; \n" );
writer.write( " static T member; \n" );
writer.write( "}; \n" );
writer.write( "template< class T> A<T>::PT A<T>::member = null; \n" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T1 = (IASTTemplateParameter) template.getTemplateParameters().next();
IASTTemplateDeclaration template2 = (IASTTemplateDeclaration) i.next();
IASTTemplateParameter T2 = (IASTTemplateParameter) template2.getTemplateParameters().next();
IASTField member = (IASTField) getDeclarations( template2 ).next();
assertEquals( member.getName(), "member" );
assertReferenceTask( new Task( T1, 2, false, false ) );
assertReferenceTask( new Task( T2, 2, false, false ) );
}
public void testTemplateTemplateParameter() throws Exception{
Writer writer = new StringWriter();
writer.write( " template< class T > class A { ");
writer.write( " int x; ");
writer.write( " }; ");
writer.write( " template < class T > class A < T * > { ");
writer.write( " long x; ");
writer.write( " }; ");
writer.write( " template< template< class U > class V > class C{ ");
writer.write( " V< int > y; ");
writer.write( " V< int * > z; ");
writer.write( " }; ");
writer.write( " void f( int ); ");
writer.write( " void f( long ); ");
writer.write( " void main() { ");
writer.write( " C< A > c; ");
writer.write( " f( c.y.x ); ");
writer.write( " f( c.z.x ); ");
writer.write( " } ");
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration templateA = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateA2 = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateC = (IASTTemplateDeclaration) i.next();
IASTFunction f1 = (IASTFunction) i.next();
IASTFunction f2 = (IASTFunction) i.next();
IASTFunction main = (IASTFunction) i.next();
IASTVariable c = (IASTVariable) getDeclarations( main ).next();
IASTSimpleTypeSpecifier spec = (IASTSimpleTypeSpecifier) c.getAbstractDeclaration().getTypeSpecifier();
IASTClassSpecifier C = (IASTClassSpecifier) spec.getTypeSpecifier();
assertReferenceTask( new Task( f1, 1, false, false ) );
assertReferenceTask( new Task( f2, 1, false, false ) );
}
public void testBug56834() throws Exception{
Iterator i = parse( "template < class T, class U = T > class A;" ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
assertFalse( i.hasNext() );
i = template.getTemplateParameters();
IASTTemplateParameter T = (IASTTemplateParameter) i.next();
IASTTemplateParameter U = (IASTTemplateParameter) i.next();
}
public void testDefaultTemplateParameters() throws Exception {
Iterator i = parse( "template < class T = int > class A{}; A<> a;" ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTVariable a = (IASTVariable) i.next();
}
public void testBug56834WithInstantiation() throws Exception{
Writer writer = new StringWriter();
writer.write( "template< class T, class U = T > class A {};" );
writer.write( "A< char > a;" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTVariable a = (IASTVariable) i.next();
}
public void testDefaultTemplateParameterWithDeferedInstance() throws Exception{
Writer writer = new StringWriter();
writer.write( "template < class T > class A; \n" );
writer.write( "template < class U, class V = A< U > > class B; \n" );
writer.write( "B< int > b;" );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration templateA = (IASTTemplateDeclaration) i.next();
IASTTemplateDeclaration templateB = (IASTTemplateDeclaration) i.next();
IASTVariable b = (IASTVariable) i.next();
}
public void testExplicitInstantiation() throws Exception{
Writer writer = new StringWriter();
writer.write( "template < class T > class A { }; " );
writer.write( "template class A< int >; " );
writer.write( "A< int > a; " );
Iterator i = parse( writer.toString() ).getDeclarations();
IASTTemplateDeclaration template = (IASTTemplateDeclaration) i.next();
IASTClassSpecifier A = (IASTClassSpecifier) template.getOwnedDeclaration();
IASTTemplateInstantiation instance = (IASTTemplateInstantiation) i.next();
IASTVariable var = (IASTVariable) i.next();
assertAllReferences( 2, createTaskList( new Task( A, 2 ) ) );
}
public void testTemplateParametersInExpressions() throws Exception
{
Writer writer = new StringWriter();
writer.write( "template < typename _Tp > power( _Tp, unsigned int ); \n" );
writer.write( "template < typename _Tp > _Tp helper( _Tp __x, int _n ) \n" );
writer.write( "{ " );
writer.write( " return n < 0 ? _Tp( 1 ) / power( __x, -__n ) \n" );
writer.write( " : power( __x, __n ); \n" );
writer.write( "} " );
parse( writer.toString () );
}
}
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