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add a new helper function to FunctionDecl instead of it being

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static in Decl.cpp.

llvm-svn: 70014
This commit is contained in:
Chris Lattner
2009-04-25 05:56:45 +00:00
parent ae4ee5be22
commit dfd637f204
2 changed files with 13 additions and 5 deletions
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5
clang/include/clang/AST/Decl.h
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@@ -643,6 +643,11 @@ public:
unsigned getBuiltinID(ASTContext &Context) const;
/// getNumParmVarDeclsFromType - Ignoring the actual argument list, this
/// returns the number of ParmVarDecls that the FunctionType of this function
/// expects.
unsigned getNumParmVarDeclsFromType() const;
// Iterator access to formal parameters.
unsigned param_size() const { return getNumParams(); }
typedef ParmVarDecl **param_iterator;

13
clang/lib/AST/Decl.cpp
View File

@@ -431,12 +431,15 @@ unsigned FunctionDecl::getBuiltinID(ASTContext &Context) const {
}
// Helper function for FunctionDecl::getNumParams and FunctionDecl::setParams()
static unsigned getNumTypeParams(QualType T) {
const FunctionType *FT = T->getAsFunctionType();
/// getNumParmVarDeclsFromType - Ignoring the actual argument list, this
/// returns the number of ParmVarDecls that the FunctionType of this function
/// expects.
unsigned FunctionDecl::getNumParmVarDeclsFromType() const {
const FunctionType *FT = getType()->getAsFunctionType();
if (isa<FunctionNoProtoType>(FT))
return 0;
return cast<FunctionProtoType>(FT)->getNumArgs();
}
unsigned FunctionDecl::getNumParams() const {
@@ -444,13 +447,13 @@ unsigned FunctionDecl::getNumParams() const {
if (!ParamInfo)
return 0;
return getNumTypeParams(getType());
return getNumParmVarDeclsFromType();
}
void FunctionDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo,
unsigned NumParams) {
assert(ParamInfo == 0 && "Already has param info!");
assert(NumParams == getNumTypeParams(getType()) &&
assert(NumParams == getNumParmVarDeclsFromType() &&
"Parameter count mismatch!");
// Zero params -> null pointer.