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ArrayRef'ize MultiLevelTemplateArgumentList::ArgList. Patch by Faisal Vali!

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llvm-svn: 181077
This commit is contained in:
Richard Smith 2013-05-03 23:46:09 +00:00
parent b4eadc34e1
commit 47752e489e
3 changed files with 22 additions and 29 deletions
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17
clang/include/clang/Sema/Template.h
View File

@ -40,10 +40,9 @@ namespace clang {
/// list will contain a template argument list (int) at depth 0 and a
/// template argument list (17) at depth 1.
class MultiLevelTemplateArgumentList {
public:
typedef std::pair<const TemplateArgument *, unsigned> ArgList;
private:
/// \brief The template argument list at a certain template depth
typedef ArrayRef<TemplateArgument> ArgList;
/// \brief The template argument lists, stored from the innermost template
/// argument list (first) to the outermost template argument list (last).
SmallVector<ArgList, 4> TemplateArgumentLists;
@ -65,8 +64,8 @@ namespace clang {
/// \brief Retrieve the template argument at a given depth and index.
const TemplateArgument &operator()(unsigned Depth, unsigned Index) const {
assert(Depth < TemplateArgumentLists.size());
assert(Index < TemplateArgumentLists[getNumLevels() - Depth - 1].second);
return TemplateArgumentLists[getNumLevels() - Depth - 1].first[Index];
assert(Index < TemplateArgumentLists[getNumLevels() - Depth - 1].size());
return TemplateArgumentLists[getNumLevels() - Depth - 1][Index];
}
/// \brief Determine whether there is a non-NULL template argument at the
@ -76,7 +75,7 @@ namespace clang {
bool hasTemplateArgument(unsigned Depth, unsigned Index) const {
assert(Depth < TemplateArgumentLists.size());
if (Index >= TemplateArgumentLists[getNumLevels() - Depth - 1].second)
if (Index >= TemplateArgumentLists[getNumLevels() - Depth - 1].size())
return false;
return !(*this)(Depth, Index).isNull();
@ -86,9 +85,9 @@ namespace clang {
void setArgument(unsigned Depth, unsigned Index,
TemplateArgument Arg) {
assert(Depth < TemplateArgumentLists.size());
assert(Index < TemplateArgumentLists[getNumLevels() - Depth - 1].second);
assert(Index < TemplateArgumentLists[getNumLevels() - Depth - 1].size());
const_cast<TemplateArgument&>(
TemplateArgumentLists[getNumLevels() - Depth - 1].first[Index])
TemplateArgumentLists[getNumLevels() - Depth - 1][Index])
= Arg;
}

9
clang/lib/Sema/SemaExpr.cpp
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@ -3668,14 +3668,11 @@ ExprResult Sema::BuildCXXDefaultArgExpr(SourceLocation CallLoc,
Param);
// Instantiate the expression.
MultiLevelTemplateArgumentList ArgList
MultiLevelTemplateArgumentList MutiLevelArgList
= getTemplateInstantiationArgs(FD, 0, /*RelativeToPrimary=*/true);
std::pair<const TemplateArgument *, unsigned> Innermost
= ArgList.getInnermost();
InstantiatingTemplate Inst(*this, CallLoc, Param,
ArrayRef<TemplateArgument>(Innermost.first,
Innermost.second));
MutiLevelArgList.getInnermost());
if (Inst)
return ExprError();
@ -3687,7 +3684,7 @@ ExprResult Sema::BuildCXXDefaultArgExpr(SourceLocation CallLoc,
// default argument expression appears.
ContextRAII SavedContext(*this, FD);
LocalInstantiationScope Local(*this);
Result = SubstExpr(UninstExpr, ArgList);
Result = SubstExpr(UninstExpr, MutiLevelArgList);
}
if (Result.isInvalid())
return ExprError();

25
clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
View File

@ -1152,12 +1152,11 @@ Decl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D,
// this declaration.
FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate();
if (FunctionTemplate && !TemplateParams) {
std::pair<const TemplateArgument *, unsigned> Innermost
= TemplateArgs.getInnermost();
ArrayRef<TemplateArgument> Innermost = TemplateArgs.getInnermost();
void *InsertPos = 0;
FunctionDecl *SpecFunc
= FunctionTemplate->findSpecialization(Innermost.first, Innermost.second,
= FunctionTemplate->findSpecialization(Innermost.begin(), Innermost.size(),
InsertPos);
// If we already have a function template specialization, return it.
@ -1282,12 +1281,11 @@ Decl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D,
}
} else if (FunctionTemplate) {
// Record this function template specialization.
std::pair<const TemplateArgument *, unsigned> Innermost
= TemplateArgs.getInnermost();
ArrayRef<TemplateArgument> Innermost = TemplateArgs.getInnermost();
Function->setFunctionTemplateSpecialization(FunctionTemplate,
TemplateArgumentList::CreateCopy(SemaRef.Context,
Innermost.first,
Innermost.second),
Innermost.begin(),
Innermost.size()),
/*InsertPos=*/0);
} else if (isFriend) {
// Note, we need this connection even if the friend doesn't have a body.
@ -1460,12 +1458,12 @@ TemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D,
// We are creating a function template specialization from a function
// template. Check whether there is already a function template
// specialization for this particular set of template arguments.
std::pair<const TemplateArgument *, unsigned> Innermost
= TemplateArgs.getInnermost();
ArrayRef<TemplateArgument> Innermost = TemplateArgs.getInnermost();
void *InsertPos = 0;
FunctionDecl *SpecFunc
= FunctionTemplate->findSpecialization(Innermost.first, Innermost.second,
= FunctionTemplate->findSpecialization(Innermost.begin(),
Innermost.size(),
InsertPos);
// If we already have a function template specialization, return it.
@ -1616,12 +1614,11 @@ TemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D,
Method->setDescribedFunctionTemplate(FunctionTemplate);
} else if (FunctionTemplate) {
// Record this function template specialization.
std::pair<const TemplateArgument *, unsigned> Innermost
= TemplateArgs.getInnermost();
ArrayRef<TemplateArgument> Innermost = TemplateArgs.getInnermost();
Method->setFunctionTemplateSpecialization(FunctionTemplate,
TemplateArgumentList::CreateCopy(SemaRef.Context,
Innermost.first,
Innermost.second),
Innermost.begin(),
Innermost.size()),
/*InsertPos=*/0);
} else if (!isFriend) {
// Record that this is an instantiation of a member function.