xxq250/Nasal-Interpreter
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🚀 add colorful error info print.

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ValKmjolnir
2022-08-31 00:56:19 +08:00
parent 4dfc4012df
commit fb00ddc19a
5 changed files with 30 additions and 15 deletions
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nasal_err.h
+26 -3
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@@ -6,6 +6,10 @@
#include <sstream> // MSVC need this to use std::getline
#include <cstring>
#ifdef _WIN32
#include <windows.h> // use SetConsoleTextAttribute
#endif
class fstreamline
{
protected:
@@ -45,18 +49,36 @@ class nasal_err:public fstreamline
{
private:
u32 error;
void printstg(const char* stage)
{
#ifdef _WIN32
CONSOLE_SCREEN_BUFFER_INFO scrinfo;
GetConsoleScreenBufferInfo(GetStdHandle(STD_ERROR_HANDLE),&scrinfo);
SetConsoleTextAttribute(GetStdHandle(STD_ERROR_HANDLE),0x03);
std::cerr<<"[";
SetConsoleTextAttribute(GetStdHandle(STD_ERROR_HANDLE),0x0c);
std::cerr<<stage;
SetConsoleTextAttribute(GetStdHandle(STD_ERROR_HANDLE),0x03);
std::cerr<<"] ";
SetConsoleTextAttribute(GetStdHandle(STD_ERROR_HANDLE),scrinfo.wAttributes);
#else
std::cerr<<"\033[36m[\033[91m"<<stage<<"\033[36m]\033[0m ";
#endif
}
public:
nasal_err():error(0){}
void err(const char* stage,const string& info)
{
++error;
std::cerr<<"["<<stage<<"] "<<info<<"\n";
printstg(stage);
std::cerr<<info<<"\n";
}
void err(const char* stage,u32 line,u32 column,const string& info)
{
++error;
const string& code=res[line-1];
std::cerr<<"["<<stage<<"] "<<file<<":"<<line<<":"<<column<<" "<<info<<"\n"<<code<<"\n";
printstg(stage);
std::cerr<<file<<":"<<line<<":"<<column<<" "<<info<<"\n"<<code<<"\n";
for(i32 i=0;i<(i32)column-1;++i)
std::cerr<<char(" \t"[code[i]=='\t']);
std::cerr<<"^\n";
@@ -64,7 +86,8 @@ public:
void err(const char* stage,u32 line,const string& info)
{
++error;
std::cerr<<"["<<stage<<"] "<<file<<":"<<line<<" "<<info<<"\n"<<res[line-1]<<'\n';
printstg(stage);
std::cerr<<file<<":"<<line<<" "<<info<<"\n"<<res[line-1]<<'\n';
}
void chkerr(){if(error)std::exit(1);}
};