71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#ifndef __NASAL_ERR_H__
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#define __NASAL_ERR_H__
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#include <iostream>
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#include <fstream>
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#include <cstring>
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class fstreamline
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{
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protected:
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string file;
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std::vector<string> res;
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public:
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void load(const string& f)
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{
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if(file==f) // don't need to load a loaded file
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return;
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file=f;
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res.clear();
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std::ifstream fin(f,std::ios::binary);
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if(fin.fail())
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{
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std::cerr<<"[src] cannot open file <"<<f<<">\n";
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std::exit(1);
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}
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string line;
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while(!fin.eof())
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{
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std::getline(fin,line);
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res.push_back(line);
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}
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}
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void clear()
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{
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std::vector<string> tmp;
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res.swap(tmp);
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}
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const string& operator[](const u32 line){return res[line];}
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const string& name(){return file;}
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usize size(){return res.size();}
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};
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class nasal_err:public fstreamline
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{
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private:
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u32 error;
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public:
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nasal_err():error(0){}
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void err(const char* stage,const string& info)
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{
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++error;
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std::cerr<<"["<<stage<<"] "<<info<<"\n";
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}
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void err(const char* stage,u32 line,u32 column,const string& info)
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{
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++error;
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const string& code=res[line-1];
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std::cerr<<"["<<stage<<"] "<<file<<":"<<line<<":"<<column<<" "<<info<<"\n"<<code<<"\n";
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for(int i=0;i<(int)column-1;++i)
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std::cerr<<char(" \t"[code[i]=='\t']);
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std::cerr<<"^\n";
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}
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void err(const char* stage,u32 line,const string& info)
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{
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++error;
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std::cerr<<"["<<stage<<"] "<<file<<":"<<line<<" "<<info<<"\n"<<res[line-1]<<'\n';
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}
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void chkerr(){if(error)std::exit(1);}
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};
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#endif |