util.h

一个c语言的编译器的源代码

#ifndef UTIL_H_
#define UTIL_H_

#include <iostream>
#include <string>
#include <map>
#include "scan.h"
#include "parse.h"
#include "symtable.h"
#include "pp_scan.h"

using namespace std;

extern int indent;

extern map<TokenType,string> TokenMap;

void init();

TreeNode *NewNode(Kind kind);

void PrintIndent(ostream &os);

/*
void PrintDeclar(TreeNode *p,ostream &os)
{
}
void PrintExp(TreeNode *p,ostream &os)
{
}
void PrintParam(TreeNode *p,ostream &os)
{
}
void PrintArgs(TreeNode *p,ostream &os)
{
}
*/
void PrintSyntaxTree(TreeNode *p,ostream &os);

void PrintOneTable(BucketList *p,ostream &os);

void PrintSymbolTable(TreeNode *p,ostream &os);

Type GetType(TreeNode *t);

SymbolType GetSymbolType(TreeNode *t);

string GetTokenString(TokenType token);

//
// Error reporting below
//
void ReportPos(int lineno, ostream &os);

void SemanticError(string errinfo,int lineno,
                   int ref_lineno=0,ostream &os=cout);

void ParseError(string errinfo,int lineno, ostream &os=cout);

void GenError(string errinfo, ostream &os=cout);

#endif