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Hoist truncation checking for ParmVarDeclBitfields::ParameterIndex into its own helper method. No functionality change. 

llvm-svn: 141272
This commit is contained in:
Ted Kremenek 2011-10-06 04:19:35 +00:00
parent 485b80fecc
commit 9504ae9370
1 changed files with 13 additions and 7 deletions
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20
clang/include/clang/AST/Decl.h
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@ -728,6 +728,8 @@ private:
friend class StmtIteratorBase;
protected:
enum { NumParameterIndexBits = 8 };
class ParmVarDeclBitfields {
friend class ParmVarDecl;
friend class ASTDeclReader;
@ -752,7 +754,7 @@ protected:
/// The number of parameters preceding this parameter in the
/// function parameter scope in which it was declared.
unsigned ParameterIndex : 8;
unsigned ParameterIndex : NumParameterIndexBits;
};
union {
@ -1218,12 +1220,10 @@ public:
Expr *DefArg);
virtual SourceRange getSourceRange() const;
void setObjCMethodScopeInfo(unsigned parameterIndex) {
ParmVarDeclBits.IsObjCMethodParam = true;
ParmVarDeclBits.ParameterIndex = parameterIndex;
assert(ParmVarDeclBits.ParameterIndex == parameterIndex && "truncation!");
setParameterIndex(parameterIndex);
}
void setScopeInfo(unsigned scopeDepth, unsigned parameterIndex) {
@ -1232,8 +1232,7 @@ public:
ParmVarDeclBits.ScopeDepthOrObjCQuals = scopeDepth;
assert(ParmVarDeclBits.ScopeDepthOrObjCQuals == scopeDepth && "truncation!");
ParmVarDeclBits.ParameterIndex = parameterIndex;
assert(ParmVarDeclBits.ParameterIndex == parameterIndex && "truncation!");
setParameterIndex(parameterIndex);
}
bool isObjCMethodParameter() const {
@ -1364,6 +1363,13 @@ public:
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
static bool classof(const ParmVarDecl *D) { return true; }
static bool classofKind(Kind K) { return K == ParmVar; }
private:
void setParameterIndex(unsigned parameterIndex) {
ParmVarDeclBits.ParameterIndex = parameterIndex;
assert(ParmVarDeclBits.ParameterIndex == parameterIndex && "truncation!");
}
};
/// FunctionDecl - An instance of this class is created to represent a