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AST2TemplateTests.java
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AST2TemplateTests.java
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/*******************************************************************************
* Copyright (c) 2005, 2016 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Andrew Niefer (IBM) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Bryan Wilkinson (QNX)
* Andrew Ferguson (Symbian)
* Sergey Prigogin (Google)
* Thomas Corbat (IFS)
* Nathan Ridge
* Danny Ferreira
* Marc-Andre Laperle (Ericsson)
* Igor V. Kovalenko
*******************************************************************************/
package org.eclipse.cdt.core.parser.tests.ast2;
import static org.eclipse.cdt.core.parser.ParserLanguage.CPP;
import static org.eclipse.cdt.core.parser.tests.VisibilityAsserts.assertVisibility;
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.TDEF;
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.getNestedType;
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.getUltimateType;
import org.eclipse.cdt.core.dom.IName;
import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement;
import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTImplicitName;
import org.eclipse.cdt.core.dom.ast.IASTImplicitNameOwner;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTNodeSelector;
import org.eclipse.cdt.core.dom.ast.IASTProblem;
import org.eclipse.cdt.core.dom.ast.IASTProblemDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTProblemStatement;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IASTTypeId;
import org.eclipse.cdt.core.dom.ast.IBasicType;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.ICompositeType;
import org.eclipse.cdt.core.dom.ast.IEnumerator;
import org.eclipse.cdt.core.dom.ast.IField;
import org.eclipse.cdt.core.dom.ast.IFunction;
import org.eclipse.cdt.core.dom.ast.IFunctionType;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.IPointerType;
import org.eclipse.cdt.core.dom.ast.IProblemBinding;
import org.eclipse.cdt.core.dom.ast.IQualifierType;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.IVariable;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTExplicitTemplateInstantiation;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNamedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateId;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTUnaryExpression;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPAliasTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPAliasTemplateInstance;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBase;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBasicType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPDeferredFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPReferenceType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateDefinition;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateNonTypeParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTypeParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDeclaration;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPVariable;
import org.eclipse.cdt.core.parser.IProblem;
import org.eclipse.cdt.internal.core.dom.parser.IntegralValue;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTNameBase;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPBasicType;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPReferenceType;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ClassTypeHelper;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPDeferredClassInstance;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalUnknownScope;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownBinding;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
import junit.framework.TestSuite;
public class AST2TemplateTests extends AST2CPPTestBase {
public AST2TemplateTests() {
}
public AST2TemplateTests(String name) {
super(name);
}
public static TestSuite suite() {
return suite(AST2TemplateTests.class);
}
private NameCollector getNameCollector(IASTTranslationUnit ast) {
NameCollector collector = new NameCollector();
ast.accept(collector);
return collector;
}
public void testBasicClassTemplate() throws Exception {
IASTTranslationUnit tu = parse("template <class T> class A{ T t; };", CPP); //$NON-NLS-1$
NameCollector col = new NameCollector();
tu.accept(col);
assertEquals(col.size(), 4);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter T = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPTemplateScope scope = (ICPPTemplateScope) T.getScope();
IScope s2 = A.getScope();
assertSame(scope, s2);
ICPPField t = (ICPPField) col.getName(3).resolveBinding();
ICPPTemplateParameter T2 = (ICPPTemplateParameter) col.getName(2).resolveBinding();
assertSame(T, T2);
IType type = t.getType();
assertSame(type, T);
assertNotNull(T);
assertNotNull(A);
}
// template < class T > class A {
// T t1;
// T * t2;
// };
// void f(){
// A<int> a;
// a.t1; a.t2;
// }
public void testBasicTemplateInstance_a() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
assertEquals(col.size(), 14);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter T = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPField t1 = (ICPPField) col.getName(3).resolveBinding();
ICPPField t2 = (ICPPField) col.getName(5).resolveBinding();
assertSame(t1.getType(), T);
assertSame(((IPointerType) t2.getType()).getType(), T);
ICPPVariable a = (ICPPVariable) col.getName(9).resolveBinding();
ICPPClassType A_int = (ICPPClassType) col.getName(7).resolveBinding();
assertSame(A_int, a.getType());
assertTrue(A_int instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A_int).getTemplateDefinition(), A);
ICPPClassScope A_int_Scope = (ICPPClassScope) A_int.getCompositeScope();
assertNotSame(A_int_Scope, ((ICompositeType) A).getCompositeScope());
ICPPField t = (ICPPField) col.getName(11).resolveBinding();
assertTrue(t instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) t).getSpecializedBinding(), t1);
assertSame(t.getScope(), A_int_Scope);
IType type = t.getType();
assertTrue(type instanceof IBasicType);
assertEquals(((IBasicType) type).getType(), IBasicType.t_int);
t = (ICPPField) col.getName(13).resolveBinding();
assertTrue(t instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) t).getSpecializedBinding(), t2);
assertSame(t.getScope(), A_int_Scope);
type = t.getType();
assertTrue(type instanceof IPointerType);
assertTrue(((IPointerType) type).getType() instanceof IBasicType);
assertEquals(((IBasicType) ((IPointerType) type).getType()).getType(), IBasicType.t_int);
}
// template < class T > class A {
// T f(T *);
// };
// void g(){
// A<int> a;
// a.f((int*)0);
// }
public void testBasicTemplateInstance_b() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassType A = (ICPPClassType) col.getName(1).resolveBinding();
ICPPTemplateParameter T = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPMethod f = (ICPPMethod) col.getName(3).resolveBinding();
IFunctionType ft = f.getType();
assertSame(ft.getReturnType(), T);
assertSame(((IPointerType) ft.getParameterTypes()[0]).getType(), T);
ICPPClassType A_int = (ICPPClassType) col.getName(7).resolveBinding();
assertTrue(A_int instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A_int).getTemplateDefinition(), A);
ICPPMethod f_int = (ICPPMethod) col.getName(11).resolveBinding();
assertTrue(f_int instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) f_int).getSpecializedBinding(), f);
ft = f_int.getType();
assertTrue(ft.getReturnType() instanceof IBasicType);
assertTrue(((IPointerType) ft.getParameterTypes()[0]).getType() instanceof IBasicType);
}
// template <class T > void f(T);
// template <class T > void f(T) {
// T * d;
// }
// void foo() {
// f<int>(0);
// }
public void testBasicTemplateFunction() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter T = (ICPPTemplateParameter) col.getName(0).resolveBinding();
IParameter p1 = (IParameter) col.getName(3).resolveBinding();
ICPPTemplateParameter T2 = (ICPPTemplateParameter) col.getName(4).resolveBinding();
ICPPFunction f2 = (ICPPFunction) col.getName(5).resolveBinding();
IParameter p2 = (IParameter) col.getName(7).resolveBinding();
assertSame(T, T2);
assertSame(f, f2);
assertSame(p1, p2);
assertSame(p1.getType(), T);
ICPPFunction f3 = (ICPPFunction) col.getName(11).resolveBinding();
assertTrue(f3 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) f3).getTemplateDefinition(), f);
assertInstances(col, T, 5);
}
// template < class T > class pair {
// template < class U > pair(const pair<U> &);
// };
public void testStackOverflow_a() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
assertTrue(col.getName(0).resolveBinding() instanceof ICPPTemplateParameter);
ICPPClassTemplate pair = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter U = (ICPPTemplateParameter) col.getName(2).resolveBinding();
assertTrue(col.getName(3).resolveBinding() instanceof ICPPFunctionTemplate);
ICPPTemplateInstance pi = (ICPPTemplateInstance) col.getName(4).resolveBinding();
ICPPClassTemplate p = (ICPPClassTemplate) col.getName(5).resolveBinding();
ICPPTemplateParameter U2 = (ICPPTemplateParameter) col.getName(6).resolveBinding();
assertSame(U, U2);
assertSame(pair, p);
assertSame(pi.getTemplateDefinition(), pair);
}
// template < class T > class A {};
// template < class T > class A< T* > {};
// template < class T > class A< T** > {};
public void testBasicClassPartialSpecialization() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPTemplateParameter T1 = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPClassTemplate A1 = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter T2 = (ICPPTemplateParameter) col.getName(2).resolveBinding();
ICPPClassTemplatePartialSpecialization A2 = (ICPPClassTemplatePartialSpecialization) col.getName(3)
.resolveBinding();
ICPPTemplateParameter T3 = (ICPPTemplateParameter) col.getName(5).resolveBinding();
ICPPClassTemplatePartialSpecialization A3 = (ICPPClassTemplatePartialSpecialization) col.getName(7)
.resolveBinding();
ICPPTemplateParameter T4 = (ICPPTemplateParameter) col.getName(6).resolveBinding();
assertSame(A2.getPrimaryClassTemplate(), A1);
assertSame(A3.getPrimaryClassTemplate(), A1);
assertNotSame(T1, T2);
assertNotSame(A1, A2);
assertNotSame(A1, A3);
assertNotSame(A2, A3);
assertSame(T2, T3);
assertNotSame(T2, T4);
}
// template < class T > class A { typedef int TYPE; };
// template < class T > typename A<T>::TYPE foo(T);
// template < class T > typename A<T>::TYPE foo(T);
public void testStackOverflow_b() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPTemplateParameter T0 = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateParameter T1 = (ICPPTemplateParameter) col.getName(3).resolveBinding();
ICPPTemplateParameter T2 = (ICPPTemplateParameter) col.getName(12).resolveBinding();
assertNotSame(T0, T1);
assertSame(T1, T2);
ICPPFunctionTemplate foo1 = (ICPPFunctionTemplate) col.getName(9).resolveBinding();
ICPPFunctionTemplate foo2 = (ICPPFunctionTemplate) col.getName(18).resolveBinding();
assertSame(foo1, foo2);
ITypedef TYPE = (ITypedef) col.getName(2).resolveBinding();
IBinding b0 = col.getName(8).resolveBinding();
IBinding b1 = col.getName(17).resolveBinding();
assertSame(b1, b0);
// the instantiation of A<T> has to be deferred.
assertInstance(b0, ICPPUnknownBinding.class);
final IType parent = ((ICPPInternalUnknownScope) b0.getScope()).getScopeType();
assertInstance(parent, ICPPDeferredClassInstance.class);
assertSame(((ICPPDeferredClassInstance) parent).getSpecializedBinding(), A);
assertInstances(col, T1, 6);
}
// template<typename _A_>
// struct A : public _A_::member_t {};
//
// struct B : public A<B>{};
public void testStackOverflowInBaseComputation_418996() throws Exception {
BindingAssertionHelper helper = getAssertionHelper();
ICPPClassType B = helper.assertNonProblem("A<B>", 4);
// Check that this line does not cause a StackOverflowError.
B.getBases();
}
// template < class T > class A {
// void f();
// };
// template < class T > void A<T>::f() { }
public void testTemplateMemberDef() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPMethod f1 = (ICPPMethod) col.getName(2).resolveBinding();
ICPPMethod f2 = (ICPPMethod) col.getName(8).resolveBinding();
assertSame(f2, f1);
}
// template < class T > void f(T); // #1
// template < class T > void f(T*); // #2
// template < class T > void f(const T*); // #3
// void main() {
// const int *p;
// f(p); //calls f(const T *) , 3 is more specialized than 1 or 2
// }
public void test14_5_5_2s5_OrderingFunctionTemplates_a() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f1 = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunctionTemplate f2 = (ICPPFunctionTemplate) col.getName(5).resolveBinding();
ICPPFunctionTemplate f3 = (ICPPFunctionTemplate) col.getName(9).resolveBinding();
assertNotSame(f1, f2);
assertNotSame(f2, f3);
assertNotSame(f3, f1);
IFunction f = (IFunction) col.getName(14).resolveBinding();
assertTrue(f instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) f).getTemplateDefinition(), f3);
}
// template < class T > void f(T); // #1
// template < class T > void f(T&); // #2
// void main() {
// float x;
// f(x); //ambiguous 1 or 2
// }
public void test14_5_5_2s5_OrderingFunctionTemplates_b() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f1 = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunctionTemplate f2 = (ICPPFunctionTemplate) col.getName(5).resolveBinding();
assertNotSame(f1, f2);
IProblemBinding f = (IProblemBinding) col.getName(10).resolveBinding();
assertEquals(f.getID(), IProblemBinding.SEMANTIC_AMBIGUOUS_LOOKUP);
}
// template < int N > void f(const int (&v)[N]);
// void main() {
// f({1,2,3});
// }
public void test_dr1591_DeduceArrayFromInitializerList_a() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
assertEquals("f", col.getName(5).toString());
IBinding fCall = col.getName(5).resolveBinding();
assertInstance(fCall, IFunction.class);
IFunction f2 = (IFunction) fCall;
assertInstance(f2, ICPPTemplateInstance.class);
assertSame(f, ((ICPPTemplateInstance) f2).getTemplateDefinition());
}
// template < typename T, int N > void f(const T (&v)[N]);
// void main() {
// f({1,2,3});
// }
public void test_dr1591_DeduceArrayFromInitializerList_b() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(2).resolveBinding();
assertEquals("f", col.getName(7).toString());
IBinding fCall = col.getName(7).resolveBinding();
assertInstance(fCall, IFunction.class);
IFunction f2 = (IFunction) fCall;
assertInstance(f2, ICPPTemplateInstance.class);
assertSame(f, ((ICPPTemplateInstance) f2).getTemplateDefinition());
}
// template < typename T, int N > void f(const T (&v)[N]);
// void main() {
// f({1,2.0,3});
// }
public void test_dr1591_DeduceArrayFromInitializerList_c() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(2).resolveBinding();
assertEquals("f", col.getName(7).toString());
IBinding fCall = col.getName(7).resolveBinding();
assertInstance(fCall, IProblemBinding.class);
IProblemBinding fCallPB = (IProblemBinding) fCall;
assertEquals(IProblemBinding.SEMANTIC_NAME_NOT_FOUND, fCallPB.getID());
}
// template < class T, template < class X > class U, T *pT > class A {
// };
public void testTemplateParameters() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPTemplateTypeParameter T = (ICPPTemplateTypeParameter) col.getName(0).resolveBinding();
ICPPTemplateTemplateParameter U = (ICPPTemplateTemplateParameter) col.getName(2).resolveBinding();
ICPPTemplateNonTypeParameter pT = (ICPPTemplateNonTypeParameter) col.getName(4).resolveBinding();
ICPPTemplateTypeParameter X = (ICPPTemplateTypeParameter) col.getName(1).resolveBinding();
ICPPTemplateParameter[] ps = U.getTemplateParameters();
assertEquals(ps.length, 1);
assertSame(ps[0], X);
IPointerType ptype = (IPointerType) pT.getType();
assertSame(ptype.getType(), T);
}
// template <class T> class A {
// A<T>* a;
// A<T>* a2;
// };
// void f(){
// A<int> * b;
// b->a;
// }
public void testDeferredInstances() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPTemplateInstance A_T = (ICPPTemplateInstance) col.getName(2).resolveBinding();
assertSame(A_T.getTemplateDefinition(), A);
ICPPTemplateInstance A_T2 = (ICPPTemplateInstance) col.getName(6).resolveBinding();
assertSame(A_T, A_T2);
ICPPVariable a = (ICPPVariable) col.getName(5).resolveBinding();
IPointerType pt = (IPointerType) a.getType();
assertSame(pt.getType(), A_T);
ICPPVariable b = (ICPPVariable) col.getName(13).resolveBinding();
IType bt = b.getType();
assertTrue(bt instanceof IPointerType);
ICPPVariable a2 = (ICPPVariable) col.getName(15).resolveBinding();
assertTrue(a2 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) a2).getSpecializedBinding(), a);
IType at = a2.getType();
assertTrue(at instanceof IPointerType);
assertSame(((IPointerType) at).getType(), ((IPointerType) bt).getType());
}
// template < class T1, class T2, int I > class A {}; //#1
// template < class T, int I > class A < T, T*, I > {}; //#2
// template < class T1, class T2, int I > class A < T1*, T2, I > {}; //#3
// template < class T > class A < int, T*, 5 > {}; //#4
// template < class T1, class T2, int I > class A < T1, T2*, I > {}; //#5
//
// A <int, int, 1> a1; //uses #1
// A <int, int*, 1> a2; //uses #2, T is int, I is 1
// A <int, char*, 5> a3; //uses #4, T is char
// A <int, char*, 1> a4; //uses #5, T is int, T2 is char, I is1
// A <int*, int*, 2> a5; //ambiguous, matches #3 & #5.
public void test14_5_4_1s2_MatchingTemplateSpecializations() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate A1 = (ICPPClassTemplate) col.getName(3).resolveBinding();
ICPPClassTemplate A2 = (ICPPClassTemplate) col.getName(6).resolveBinding();
ICPPClassTemplate A3 = (ICPPClassTemplate) col.getName(14).resolveBinding();
ICPPClassTemplate A4 = (ICPPClassTemplate) col.getName(20).resolveBinding();
ICPPClassTemplate A5 = (ICPPClassTemplate) col.getName(26).resolveBinding();
assertTrue(A3 instanceof ICPPClassTemplatePartialSpecialization);
assertSame(((ICPPClassTemplatePartialSpecialization) A3).getPrimaryClassTemplate(), A1);
ICPPTemplateTypeParameter T1 = (ICPPTemplateTypeParameter) col.getName(11).resolveBinding();
ICPPTemplateTypeParameter T2 = (ICPPTemplateTypeParameter) col.getName(12).resolveBinding();
ICPPTemplateNonTypeParameter I = (ICPPTemplateNonTypeParameter) col.getName(13).resolveBinding();
ICPPTemplateParameter TR1 = (ICPPTemplateParameter) col.getName(16).resolveBinding();
ICPPTemplateParameter TR2 = (ICPPTemplateParameter) col.getName(17).resolveBinding();
ICPPTemplateParameter TR3 = (ICPPTemplateParameter) col.getName(18).resolveBinding();
assertSame(T1, TR1);
assertSame(T2, TR2);
assertSame(I, TR3);
ICPPTemplateInstance R1 = (ICPPTemplateInstance) col.getName(31).resolveBinding();
ICPPTemplateInstance R2 = (ICPPTemplateInstance) col.getName(34).resolveBinding();
ICPPTemplateInstance R3 = (ICPPTemplateInstance) col.getName(37).resolveBinding();
ICPPTemplateInstance R4 = (ICPPTemplateInstance) col.getName(40).resolveBinding();
IProblemBinding R5 = (IProblemBinding) col.getName(43).resolveBinding();
assertEquals(R5.getID(), IProblemBinding.SEMANTIC_AMBIGUOUS_LOOKUP);
assertSame(R1.getTemplateDefinition(), A1);
assertSame(R2.getTemplateDefinition(), A2);
assertSame(R4.getTemplateDefinition(), A5);
assertSame(R3.getTemplateDefinition(), A4);
}
// template <class T> void f(T);
// template <class T> void f(T*);
// template <> void f(int); //ok
// template <> void f<int>(int*); //ok
public void test14_7_3_FunctionExplicitSpecialization() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate fT1 = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunctionTemplate fT2 = (ICPPFunctionTemplate) col.getName(5).resolveBinding();
ICPPSpecialization f1 = (ICPPSpecialization) col.getName(8).resolveBinding();
ICPPSpecialization f2 = (ICPPSpecialization) col.getName(10).resolveBinding();
assertSame(f1.getSpecializedBinding(), fT1);
assertSame(f2.getSpecializedBinding(), fT2);
}
// template<class T> void f(T*);
// void g(int* p) { f(p); }
public void test14_5_5_1_FunctionTemplates_a() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunction ref = (ICPPFunction) col.getName(6).resolveBinding();
assertTrue(ref instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref).getTemplateDefinition(), f);
}
// template<class T> void f(T);
// void g(int* p) { f(p); }
public void test14_5_5_1_FunctionTemplates_b() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunction ref = (ICPPFunction) col.getName(6).resolveBinding();
assertTrue(ref instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref).getTemplateDefinition(), f);
}
// template<class X, class Y> X f(Y);
// void g(){
// int i = f<int>(5); // Y is int
// }
public void test14_8_1s2_FunctionTemplates() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(3).resolveBinding();
ICPPFunction ref1 = (ICPPFunction) col.getName(8).resolveBinding();
assertTrue(ref1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref1).getTemplateDefinition(), f);
}
// template<class T> void f(T);
// void g(){
// f("Annemarie");
// }
public void test14_8_3s6_FunctionTemplates() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunction ref = (ICPPFunction) col.getName(5).resolveBinding();
assertTrue(ref instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref).getTemplateDefinition(), f);
}
// template<class T> void f(T); // #1
// template<class T> void f(T*, int=1); // #2
// template<class T> void g(T); // #3
// template<class T> void g(T*, ...); // #4
// int main() {
// int* ip;
// f(ip); //calls #2
// g(ip); //calls #4
// }
public void test14_5_5_2s6_FunctionTemplates() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f1 = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunctionTemplate f2 = (ICPPFunctionTemplate) col.getName(5).resolveBinding();
assertNotSame(f1, f2);
ICPPFunctionTemplate g1 = (ICPPFunctionTemplate) col.getName(10).resolveBinding();
ICPPFunctionTemplate g2 = (ICPPFunctionTemplate) col.getName(14).resolveBinding();
assertNotSame(g1, g2);
ICPPFunction ref1 = (ICPPFunction) col.getName(19).resolveBinding();
ICPPFunction ref2 = (ICPPFunction) col.getName(21).resolveBinding();
assertTrue(ref1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref1).getTemplateDefinition(), f2);
assertTrue(ref2 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) ref2).getTemplateDefinition(), g2);
}
// template<class T> class X {
// X* p; // meaning X<T>
// X<T>* p2;
// };
public void test14_6_1s1_LocalNames() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate X = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPClassType x1 = (ICPPClassType) col.getName(2).resolveBinding();
ICPPClassType x2 = (ICPPClassType) col.getName(4).resolveBinding();
assertTrue(x1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) x1).getTemplateDefinition(), X);
assertSame(x1, x2);
}
// template<class T> T f(T* p){
// };
// void g(int a, char* b){
// f(&a); //call f<int>(int*)
// f(&b); //call f<char*>(char**)
// }
public void test14_8s2() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f = (ICPPFunctionTemplate) col.getName(2).resolveBinding();
ICPPFunction f1 = (ICPPFunction) col.getName(8).resolveBinding();
ICPPFunction f2 = (ICPPFunction) col.getName(10).resolveBinding();
assertNotSame(f1, f2);
assertTrue(f1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) f1).getTemplateDefinition(), f);
assertTrue(f2 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) f2).getTemplateDefinition(), f);
IType fr1 = f1.getType().getReturnType();
IType fr2 = f2.getType().getReturnType();
assertTrue(fr1 instanceof IBasicType);
assertEquals(((IBasicType) fr1).getType(), IBasicType.t_int);
assertTrue(fr2 instanceof IPointerType);
assertTrue(((IPointerType) fr2).getType() instanceof IBasicType);
assertEquals(((IBasicType) ((IPointerType) fr2).getType()).getType(), IBasicType.t_char);
}
// template<class T> void f(T) { }
// template<class T> inline T g(T) { }
// template<> inline void f<>(int) { } //OK: inline
// template<> int g<>(int) { } // OK: not inline
public void test14_7_3s14() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunctionTemplate f1 = (ICPPFunctionTemplate) col.getName(1).resolveBinding();
ICPPFunctionTemplate g1 = (ICPPFunctionTemplate) col.getName(6).resolveBinding();
ICPPSpecialization f2 = (ICPPSpecialization) col.getName(9).resolveBinding();
ICPPSpecialization g2 = (ICPPSpecialization) col.getName(12).resolveBinding();
assertSame(f2.getSpecializedBinding(), f1);
assertSame(g2.getSpecializedBinding(), g1);
assertFalse(((ICPPFunction) f1).isInline());
assertTrue(((ICPPFunction) g1).isInline());
assertTrue(((ICPPFunction) f2).isInline());
assertFalse(((ICPPFunction) g2).isInline());
}
// template<class T> class X {
// X<T*> a; // implicit generation of X<T> requires
// // the implicit instantiation of X<T*> which requires
// // the implicit instantiation of X<T**> which ...
// };
// void f() {
// X<int> x;
// x.a.a.a.a;
// }
public void test14_7_1s14_InfiniteInstantiation() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate X = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPVariable x = (ICPPVariable) col.getName(9).resolveBinding();
IType t = x.getType();
assertTrue(t instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) t).getTemplateDefinition(), X);
ICPPField a = (ICPPField) col.getName(5).resolveBinding();
ICPPField a1 = (ICPPField) col.getName(11).resolveBinding();
ICPPField a2 = (ICPPField) col.getName(12).resolveBinding();
ICPPField a3 = (ICPPField) col.getName(13).resolveBinding();
ICPPField a4 = (ICPPField) col.getName(14).resolveBinding();
assertTrue(a1 instanceof ICPPSpecialization);
assertTrue(a2 instanceof ICPPSpecialization);
assertTrue(a3 instanceof ICPPSpecialization);
assertTrue(a4 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) a1).getSpecializedBinding(), a);
assertSame(((ICPPSpecialization) a2).getSpecializedBinding(), a);
assertSame(((ICPPSpecialization) a3).getSpecializedBinding(), a);
assertSame(((ICPPSpecialization) a4).getSpecializedBinding(), a);
}
// template<class T> class Y;
// template<> class Y<int> {
// Y* p; // meaning Y<int>
// Y<char>* q; // meaning Y<char>
// };
public void test14_6_1s2() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate Y = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPSpecialization Yspec = (ICPPSpecialization) col.getName(2).resolveBinding();
assertTrue(Yspec instanceof ICPPClassType);
assertSame(Yspec.getSpecializedBinding(), Y);
ICPPClassType y1 = (ICPPClassType) col.getName(4).resolveBinding();
assertSame(y1, Yspec);
ICPPClassType y2 = (ICPPClassType) col.getName(6).resolveBinding();
assertTrue(y2 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) y2).getTemplateDefinition(), Y);
}
// template < class T, class U > void f (T (*) (T, U));
// int g (int, char);
// void foo () {
// f(g);
// }
public void testBug45129() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPFunction f1 = (ICPPFunction) col.getName(2).resolveBinding();
ICPPFunction g1 = (ICPPFunction) col.getName(9).resolveBinding();
IBinding f2 = col.getName(13).resolveBinding();
IBinding g2 = col.getName(14).resolveBinding();
assertTrue(f2 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) f2).getTemplateDefinition(), f1);
assertSame(g1, g2);
}
// template <class T, class U = T > class A {
// U u;
// };
// void f() {
// A<int> a;
// a.u;
// }
public void testBug76951() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPTemplateParameter T = (ICPPTemplateParameter) col.getName(0).resolveBinding();
ICPPTemplateTypeParameter U = (ICPPTemplateTypeParameter) col.getName(1).resolveBinding();
assertSame(U.getDefault(), T);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(3).resolveBinding();
ICPPField u1 = (ICPPField) col.getName(5).resolveBinding();
assertSame(u1.getType(), U);
ICPPClassType A1 = (ICPPClassType) col.getName(7).resolveBinding();
assertTrue(A1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A1).getTemplateDefinition(), A);
ICPPField u2 = (ICPPField) col.getName(11).resolveBinding();
assertTrue(u2 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) u2).getSpecializedBinding(), u1);
IType type = u2.getType();
assertTrue(type instanceof IBasicType);
assertEquals(((IBasicType) type).getType(), IBasicType.t_int);
}
// template < class T > class A {
// A< int > a;
// };
// void f(A<int> p) { }
public void testInstances() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPClassType A1 = (ICPPClassType) col.getName(2).resolveBinding();
ICPPClassType A2 = (ICPPClassType) col.getName(6).resolveBinding();
assertSame(A1, A2);
assertTrue(A1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A1).getTemplateDefinition(), A);
}
// template <class T> void f(T);
// template <class T> void f(T) {}
public void testTemplateParameterDeclarations() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPTemplateParameter T1 = (ICPPTemplateParameter) col.getName(4).resolveBinding();
ICPPTemplateParameter T2 = (ICPPTemplateParameter) col.getName(2).resolveBinding();
assertSame(T1, T2);
assertInstances(col, T1, 4);
}
// template < class T > class A {
// int f(A *);
// A < T > *pA;
// };
// void f () {
// A< int > *a;
// a->f(a);
// a->pA;
// };
public void testDeferredInstantiation() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPMethod f = (ICPPMethod) col.getName(2).resolveBinding();
ICPPClassType A1 = (ICPPClassType) col.getName(3).resolveBinding();
ICPPClassType A2 = (ICPPClassType) col.getName(5).resolveBinding();
ICPPField pA = (ICPPField) col.getName(8).resolveBinding();
assertSame(A1, A2);
assertTrue(A1 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A1).getTemplateDefinition(), A);
ICPPClassType AI = (ICPPClassType) col.getName(10).resolveBinding();
ICPPMethod f2 = (ICPPMethod) col.getName(14).resolveBinding();
ICPPField pA2 = (ICPPField) col.getName(17).resolveBinding();
assertTrue(f2 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) f2).getSpecializedBinding(), f);
assertTrue(pA2 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) pA2).getSpecializedBinding(), pA);
IType paT = pA2.getType();
assertTrue(paT instanceof IPointerType);
assertSame(((IPointerType) paT).getType(), AI);
IParameter p = f2.getParameters()[0];
IType pT = p.getType();
assertTrue(pT instanceof IPointerType);
assertSame(((IPointerType) pT).getType(), AI);
}
// template <class T> struct A {
// void f(int);
// template <class T2> void f(T2);
// };
// template <> void A<int>::f(int) { } //nontemplate
// template <> template <> void A<int>::f<>(int) { } //template
// int main() {
// A<int> ac;
// ac.f(1); //nontemplate
// ac.f('c'); //template
// ac.f<>(1); //template
// }
public void test14_5_2s2_MemberSpecializations() throws Exception {
IASTTranslationUnit tu = parse(getAboveComment(), CPP);
NameCollector col = new NameCollector();
tu.accept(col);
ICPPClassTemplate A = (ICPPClassTemplate) col.getName(1).resolveBinding();
ICPPMethod f1 = (ICPPMethod) col.getName(2).resolveBinding();
ICPPMethod f2 = (ICPPMethod) col.getName(5).resolveBinding();
ICPPMethod f1_2 = (ICPPMethod) col.getName(11).resolveBinding();
assertNotSame(f1, f1_2);
assertTrue(f1_2 instanceof ICPPSpecialization);
assertSame(((ICPPSpecialization) f1_2).getSpecializedBinding(), f1);
ICPPClassType A2 = (ICPPClassType) col.getName(9).resolveBinding();
assertTrue(A2 instanceof ICPPTemplateInstance);
assertSame(((ICPPTemplateInstance) A2).getTemplateDefinition(), A);
ICPPMethod f2_2 = (ICPPMethod) col.getName(16).resolveBinding();