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🎨 improve error report

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This commit is contained in:
ValKmjolnir
2022-11-19 22:47:19 +08:00
parent 309a57070c
commit 9196d7815f
6 changed files with 356 additions and 363 deletions
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nasal_err.h
+34 -43
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@@ -77,20 +77,24 @@ protected:
string file;
std::vector<string> res;
public:
flstream():file("<error-file-path>"){}
void load(const string& f)
{
if(file==f) return; // don't need to load a loaded file
file=f;
if(file==f){ // don't need to load a loaded file
return;
}else{
file=f;
}
res.clear();
std::ifstream in(f,std::ios::binary);
if(in.fail())
{
if(in.fail()){
std::cerr<<red<<"src: "<<reset<<"cannot open <"<<f<<">\n";
std::exit(1);
}
string line;
while(!in.eof())
{
while(!in.eof()){
string line;
std::getline(in,line);
res.push_back(line);
}
@@ -112,54 +116,41 @@ private:
}
public:
error():cnt(0){}
void fatal(const string& stage,const string& info)
{
std::cerr
<<red<<stage<<": "<<white<<info<<reset<<"\n"
<<cyan<<" --> "<<red<<file<<"\n\n";
std::exit(1);
}
void err(const string& stage,const string& info)
{
++cnt;
std::cerr
<<red<<stage<<": "
<<white<<info<<reset<<"\n\n";
<<red<<stage<<": "<<white<<info<<reset<<"\n"
<<cyan<<" --> "<<red<<file<<reset<<"\n\n";
}
void err(const string& stage,u32 line,u32 col,const string& info)
void err(const string& stage,u32 line,u32 col,u32 len,const string& info)
{
++cnt;
const string& code=res[line-1];
col=col?col:1;
len=len?len:1;
std::cerr
<<red<<stage<<": "<<white<<info<<reset<<"\n"
<<cyan<<" --> "<<red<<file<<":"<<line<<":"<<col<<reset<<"\n";
const string& code=line?res[line-1]:"# empty line";
const string iden=identation(std::to_string(line).length());
std::cerr
<<red<<stage<<": "
<<white<<info<<reset<<"\n"
<<cyan<<" --> "<<reset
<<orange<<file<<":"<<line<<":"<<col<<"\n";
if(!line)
{
std::cerr<<"\n";
return;
}
std::cerr
<<cyan<<iden<<" | "<<reset<<"\n"
<<cyan<<line<<" | "<<reset<<code<<"\n"
<<cyan<<iden<<" | "<<reset;
for(i32 i=0;i<(i32)col-1;++i)
for(i32 i=0;i<(i32)col-(i32)len;++i)
std::cerr<<char(" \t"[code[i]=='\t']);
std::cerr<<red<<"^ "<<info<<reset<<"\n\n";
}
void err(const string& stage,u32 line,const string& info)
{
++cnt;
const string iden=identation(std::to_string(line).length());
std::cerr
<<red<<stage<<": "
<<white<<info<<reset<<"\n"
<<cyan<<" --> "<<reset
<<orange<<file<<":"<<line<<"\n";
if(!line)
{
std::cerr<<"\n";
return;
}
std::cerr
<<cyan<<iden<<" | "<<reset<<"\n"
<<cyan<<line<<" | "<<reset<<res[line-1]<<"\n"
<<cyan<<iden<<" | "<<reset<<"\n\n";
for(u32 i=0;i<len;++i)
std::cerr<<red<<"^";
std::cerr<<red<<" "<<info<<reset<<"\n\n";
}
void chkerr() const {if(cnt)std::exit(1);}
};