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* Add ability to get and set the output stream

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* New feature: outputting a Type* as symbolic, controlled via the stream
  similarly to sending std::hex to change number format

llvm-svn: 13226
This commit is contained in:
Misha Brukman 2004-04-28 15:30:33 +00:00
parent 8e3668faca
commit dd23f36ed6
1 changed files with 23 additions and 11 deletions
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34
include/llvm/Assembly/CachedWriter.h
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@ -30,12 +30,20 @@ class AssemblyWriter; // Internal private class
class CachedWriter {
AssemblyWriter *AW;
SlotCalculator *SC;
bool SymbolicTypes;
public:
std::ostream &Out;
std::ostream *Out;
enum TypeWriter {
SymTypeOn,
SymTypeOff
};
public:
CachedWriter(std::ostream &O = std::cout) : AW(0), SC(0), Out(O) { }
CachedWriter(std::ostream &O = std::cout)
: AW(0), SC(0), SymbolicTypes(false), Out(&O) { }
CachedWriter(const Module *M, std::ostream &O = std::cout)
: AW(0), SC(0), Out(O) {
: AW(0), SC(0), SymbolicTypes(false), Out(&O) {
setModule(M);
}
~CachedWriter();
@ -66,22 +74,26 @@ public:
inline CachedWriter &operator<<(const Constant *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Type *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const PointerType *X) {
return *this << (const Value*)X;
}
CachedWriter &operator<<(const Type *X);
inline CachedWriter &operator<<(const PointerType *X);
inline CachedWriter &operator<<(std::ostream &(&Manip)(std::ostream &)) {
Out << Manip; return *this;
*Out << Manip; return *this;
}
template<class X>
inline CachedWriter &operator<<(const X &v) {
Out << v;
*Out << v;
return *this;
}
inline CachedWriter &operator<<(enum TypeWriter tw) {
SymbolicTypes = (tw == SymTypeOn);
return *this;
}
inline std::ostream& getStream() { return *Out; }
inline void setStream(std::ostream &os) { Out = &os; }
};
} // End llvm namespace