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/*****
* errormsg.cc
* Andy Hammerlindl 2002/06/17
*
* Used in all phases of the compiler to give error messages.
*****/
#include <cstdio>
#include <cstdlib>
#include "errormsg.h"
#include "interact.h"
#include "fileio.h"
errorstream em;
position nullPos;
static nullPosInitializer nullPosInit;
bool errorstream::interrupt=false;
ostream& operator<< (ostream& out, const position& pos)
{
if (!pos)
return out;
string filename=pos.file->name();
if(filename != "-" && !settings::getSetting<bool>("quiet")) {
std::ifstream fin(filename.c_str());
string s;
size_t count=pos.line;
while(count > 0 && getline(fin,s)) {
count--;
}
out << s << endl;
for(size_t i=1; i < pos.column; ++i)
out << " ";
out << "^" << endl;
}
out << filename << ": ";
out << pos.line << "." << pos.column << ": ";
if(settings::getSetting<bool>("xasy")) {
camp::openpipeout();
fprintf(camp::pipeout,"Error\n");
fflush(camp::pipeout);
}
return out;
}
void errorstream::clear()
{
sync();
anyErrors = anyWarnings = false;
}
void errorstream::message(position pos, const string& s)
{
if (floating) out << endl;
out << pos << s;
floating = true;
}
void errorstream::compiler(position pos)
{
message(pos,"compiler: ");
anyErrors = true;
}
void errorstream::compiler()
{
message(nullPos,"compiler: ");
anyErrors = true;
}
void errorstream::runtime(position pos)
{
message(pos,"runtime: ");
anyErrors = true;
}
void errorstream::error(position pos)
{
message(pos,"");
anyErrors = true;
}
void errorstream::warning(position pos, string s)
{
message(pos,"warning ["+s+"]: ");
anyWarnings = true;
}
void errorstream::warning(position pos)
{
message(pos,"warning: ");
anyWarnings = true;
}
void errorstream::fatal(position pos)
{
message(pos,"abort: ");
anyErrors = true;
}
void errorstream::trace(position pos)
{
static position lastpos;
if(!pos || (pos.match(lastpos.filename()) && pos.match(lastpos.Line())))
return;
lastpos=pos;
message(pos,"");
sync();
}
void errorstream::cont()
{
floating = false;
}
void errorstream::sync()
{
if (floating) out << endl;
floating = false;
}
void outOfMemory()
{
cerr << "error: out of memory" << endl;
exit(1);
}
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