llvm-6502/include/llvm/SymTabValue.h

47 lines
1.5 KiB
C
Raw Normal View History

//===-- llvm/SymTabValue.h - Implement SymbolTable Values --------*- C++ -*--=//
//
// This subclass of Value implements a def that has a symbol table for keeping
// track of children. This is used by the ValueHolder template class...
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYMTAB_VALUE_H
#define LLVM_SYMTAB_VALUE_H
class SymbolTable;
class Value;
class SymTabValue {
private:
SymbolTable *SymTab, *ParentSymTab;
Value *ValueParent;
protected:
void setParentSymTab(SymbolTable *ST);
public:
SymTabValue(Value *Parent);
~SymTabValue(); // Implemented in Value.cpp
inline Value *getSTVParent() { return ValueParent; }
inline const Value *getSTVParent() const { return ValueParent; }
// hasSymbolTable() - Returns true if there is a symbol table allocated to
// this object AND if there is at least one name in it!
//
bool hasSymbolTable() const;
// CAUTION: The current symbol table may be null if there are no names (ie,
// the symbol table is empty)
//
inline SymbolTable *getSymbolTable() { return SymTab; }
inline const SymbolTable *getSymbolTable() const { return SymTab; }
// getSymbolTableSure is guaranteed to not return a null pointer, because if
// the method does not already have a symtab, one is created. Use this if
// you intend to put something into the symbol table for the method.
//
SymbolTable *getSymbolTableSure(); // Implemented in Value.cpp
};
#endif