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ClassCastException using template template parameters, bug 279619

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This commit is contained in:
Markus Schorn 2009-06-23 12:54:19 +00:00
parent 5bbbd7720b
commit de93e043c2
4 changed files with 13 additions and 7 deletions
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8
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
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@ -4051,4 +4051,12 @@ public class AST2TemplateTests extends AST2BaseTest {
final String code = getAboveComment(); final String code = getAboveComment();
parseAndCheckBindings(code, ParserLanguage.CPP); parseAndCheckBindings(code, ParserLanguage.CPP);
} }
// template<unsigned int> struct ST{};
// template<template<unsigned int> class T> class CT {};
// typedef CT<ST> TDef;
public void testUsingTemplateTemplateParameter_279619() throws Exception {
final String code = getAboveComment();
parseAndCheckBindings(code, ParserLanguage.CPP);
}
} }

6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateTemplateParameter.java
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@ -70,13 +70,11 @@ public class CPPTemplateTemplateParameter extends CPPTemplateParameter implement
if (templateParameters == null) { if (templateParameters == null) {
ICPPASTTemplatedTypeTemplateParameter template = (ICPPASTTemplatedTypeTemplateParameter) getPrimaryDeclaration().getParent(); ICPPASTTemplatedTypeTemplateParameter template = (ICPPASTTemplatedTypeTemplateParameter) getPrimaryDeclaration().getParent();
ICPPASTTemplateParameter[] params = template.getTemplateParameters(); ICPPASTTemplateParameter[] params = template.getTemplateParameters();
ICPPTemplateParameter p = null;
ICPPTemplateParameter[] result = null; ICPPTemplateParameter[] result = null;
for (ICPPASTTemplateParameter param : params) { for (ICPPASTTemplateParameter param : params) {
IBinding binding = CPPTemplates.getTemplateParameterName(param).resolveBinding(); IBinding binding = CPPTemplates.getTemplateParameterName(param).resolveBinding();
p= (ICPPTemplateParameter) binding; if (binding instanceof ICPPTemplateParameter) {
if (p != null) { result = (ICPPTemplateParameter[]) ArrayUtil.append(ICPPTemplateParameter.class, result, binding);
result = (ICPPTemplateParameter[]) ArrayUtil.append(ICPPTemplateParameter.class, result, p);
} }
} }
templateParameters = (ICPPTemplateParameter[]) ArrayUtil.trim(ICPPTemplateParameter.class, result); templateParameters = (ICPPTemplateParameter[]) ArrayUtil.trim(ICPPTemplateParameter.class, result);

4
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
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@ -1981,8 +1981,8 @@ public class CPPTemplates {
ab= aParam instanceof ICPPTemplateNonTypeParameter; ab= aParam instanceof ICPPTemplateNonTypeParameter;
if (pb != ab) if (pb != ab)
return null; return null;
assert pParam instanceof ICPPTemplateTemplateParameter; // no other choice left assert pb || pParam instanceof ICPPTemplateTemplateParameter; // no other choice left
assert aParam instanceof ICPPTemplateTemplateParameter; // no other choice left assert ab || aParam instanceof ICPPTemplateTemplateParameter; // no other choice left
} }
} }

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

@ -526,7 +526,7 @@ public class CPPVisitor extends ASTQueries {
// function type for non-type template parameter // function type for non-type template parameter
ASTNodeProperty prop = parent.getPropertyInParent(); ASTNodeProperty prop = parent.getPropertyInParent();
if (prop == ICPPASTTemplateDeclaration.PARAMETER) { if (prop == ICPPASTTemplateDeclaration.PARAMETER || prop == ICPPASTTemplatedTypeTemplateParameter.PARAMETER) {
return CPPTemplates.createBinding((ICPPASTTemplateParameter) parent); return CPPTemplates.createBinding((ICPPASTTemplateParameter) parent);
} }