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#include "SourcePos.h"
#include <stdarg.h>
#include <vector>
using namespace std;
// ErrorPos
// =============================================================================
struct ErrorPos
{
enum Level {
NOTE,
WARNING,
ERROR
};
String8 file;
int line;
String8 error;
Level level;
ErrorPos();
ErrorPos(const ErrorPos& that);
ErrorPos(const String8& file, int line, const String8& error, Level level);
ErrorPos& operator=(const ErrorPos& rhs);
void print(FILE* to) const;
};
static vector<ErrorPos> g_errors;
ErrorPos::ErrorPos()
:line(-1), level(NOTE)
{
}
ErrorPos::ErrorPos(const ErrorPos& that)
:file(that.file),
line(that.line),
error(that.error),
level(that.level)
{
}
ErrorPos::ErrorPos(const String8& f, int l, const String8& e, Level lev)
:file(f),
line(l),
error(e),
level(lev)
{
}
ErrorPos&
ErrorPos::operator=(const ErrorPos& rhs)
{
this->file = rhs.file;
this->line = rhs.line;
this->error = rhs.error;
this->level = rhs.level;
return *this;
}
void
ErrorPos::print(FILE* to) const
{
const char* type = "";
switch (level) {
case NOTE:
type = "note: ";
break;
case WARNING:
type = "warning: ";
break;
case ERROR:
type = "error: ";
break;
}
if (!this->file.empty()) {
if (this->line >= 0) {
fprintf(to, "%s:%d: %s%s\n", this->file.c_str(), this->line, type, this->error.c_str());
} else {
fprintf(to, "%s: %s%s\n", this->file.c_str(), type, this->error.c_str());
}
} else {
fprintf(to, "%s%s\n", type, this->error.c_str());
}
}
// SourcePos
// =============================================================================
SourcePos::SourcePos(const String8& f, int l)
: file(f), line(l)
{
}
SourcePos::SourcePos(const SourcePos& that)
: file(that.file), line(that.line)
{
}
SourcePos::SourcePos()
: file("???", 0), line(-1)
{
}
SourcePos::~SourcePos()
{
}
void
SourcePos::error(const char* fmt, ...) const
{
va_list ap;
va_start(ap, fmt);
String8 msg = String8::formatV(fmt, ap);
va_end(ap);
g_errors.push_back(ErrorPos(this->file, this->line, msg, ErrorPos::ERROR));
}
void
SourcePos::warning(const char* fmt, ...) const
{
va_list ap;
va_start(ap, fmt);
String8 msg = String8::formatV(fmt, ap);
va_end(ap);
ErrorPos(this->file, this->line, msg, ErrorPos::WARNING).print(stderr);
}
void
SourcePos::printf(const char* fmt, ...) const
{
va_list ap;
va_start(ap, fmt);
String8 msg = String8::formatV(fmt, ap);
va_end(ap);
ErrorPos(this->file, this->line, msg, ErrorPos::NOTE).print(stderr);
}
bool
SourcePos::operator<(const SourcePos& rhs) const
{
return (file < rhs.file) || (line < rhs.line);
}
bool
SourcePos::hasErrors()
{
return g_errors.size() > 0;
}
void
SourcePos::printErrors(FILE* to)
{
vector<ErrorPos>::const_iterator it;
for (it=g_errors.begin(); it!=g_errors.end(); it++) {
it->print(to);
}
}
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