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* Add another overload taking DeclarationName as an argument. This is useful when

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we have to deal with failed lookups.
* Improve documentation.


git-svn-id: http://root.cern.ch/svn/root/trunk@46394 27541ba8-7e3a-0410-8455-c3a389f83636
This commit is contained in:
Vassil Vassilev 2012-10-09 09:41:26 +00:00
parent 9ac54aa5d9
commit a67f0ebca8
2 changed files with 40 additions and 1 deletions
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35
include/cling/Utils/AST.h
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@ -13,6 +13,7 @@ namespace clang {
class ASTContext;
class Expr;
class DeclContext;
class DeclarationName;
class NamedDecl;
class NamespaceDecl;
class QualType;
@ -64,13 +65,47 @@ namespace utils {
///
class Lookup {
public:
///\brief Quick lookup for a single namespace declaration in a given
/// declaration context.
///
///\param[in] S - Semantic Analysis object doing the lookup.
///\param[in] Name - The name we are looking up.
///\param[in] Within - The context within the lookup is done. If 0 the
/// TranslationUnitDecl is used.
///\returns the found result (if single) or 0.
///
static clang::NamespaceDecl* Namespace(clang::Sema* S,
const char* Name,
clang::DeclContext* Within = 0);
///\brief Quick lookup for a single named declaration in a given
/// declaration context.
///
///\param[in] S - Semantic Analysis object doing the lookup.
///\param[in] Name - The name we are looking up.
///\param[in] Within - The context within the lookup is done. If 0 the
/// TranslationUnitDecl is used.
///\returns the found result (if single) or 0.
///
static clang::NamedDecl* Named(clang::Sema* S,
const char* Name,
clang::DeclContext* Within = 0);
///\brief Quick lookup for a single namespace declaration in a given
/// declaration context.
///
///\param[in] S - Semantic Analysis object doing the lookup.
///\param[in] Name - The name we are looking up. The & avoids inclusion of
/// DeclarationName.h (faster at runtime).
///\param[in] Within - The context within the lookup is done. If 0 the
/// TranslationUnitDecl is used.
///\returns the found result (if single) or 0.
///
static clang::NamedDecl* Named(clang::Sema* S,
const clang::DeclarationName& Name,
clang::DeclContext* Within = 0);
};
} // end namespace utils
} // end namespace cling

6
lib/Utils/AST.cpp
View File

@ -389,8 +389,12 @@ namespace utils {
NamedDecl* Lookup::Named(Sema* S, const char* Name, DeclContext* Within) {
DeclarationName DName = &S->Context.Idents.get(Name);
return Lookup::Named(S, DName, Within);
}
LookupResult R(*S, DName, SourceLocation(), Sema::LookupOrdinaryName,
NamedDecl* Lookup::Named(Sema* S, const DeclarationName& Name,
DeclContext* Within) {
LookupResult R(*S, Name, SourceLocation(), Sema::LookupOrdinaryName,
Sema::ForRedeclaration);
if (!Within)
S->LookupName(R, S->TUScope);