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#include "SourcePos.h"
#include <stdarg.h>
#include <vector>
using namespace std;
// ErrorPos
// =============================================================================
struct ErrorPos
{
String8 file;
int line;
String8 error;
bool fatal;
ErrorPos();
ErrorPos(const ErrorPos& that);
ErrorPos(const String8& file, int line, const String8& error, bool fatal);
~ErrorPos();
bool operator<(const ErrorPos& rhs) const;
bool operator==(const ErrorPos& rhs) const;
ErrorPos& operator=(const ErrorPos& rhs);
void print(FILE* to) const;
};
static vector<ErrorPos> g_errors;
ErrorPos::ErrorPos()
:line(-1), fatal(false)
{
}
ErrorPos::ErrorPos(const ErrorPos& that)
:file(that.file),
line(that.line),
error(that.error),
fatal(that.fatal)
{
}
ErrorPos::ErrorPos(const String8& f, int l, const String8& e, bool fat)
:file(f),
line(l),
error(e),
fatal(fat)
{
}
ErrorPos::~ErrorPos()
{
}
bool
ErrorPos::operator<(const ErrorPos& rhs) const
{
if (this->file < rhs.file) return true;
if (this->file == rhs.file) {
if (this->line < rhs.line) return true;
if (this->line == rhs.line) {
if (this->error < rhs.error) return true;
}
}
return false;
}
bool
ErrorPos::operator==(const ErrorPos& rhs) const
{
return this->file == rhs.file
&& this->line == rhs.line
&& this->error == rhs.error;
}
ErrorPos&
ErrorPos::operator=(const ErrorPos& rhs)
{
this->file = rhs.file;
this->line = rhs.line;
this->error = rhs.error;
return *this;
}
void
ErrorPos::print(FILE* to) const
{
const char* type = fatal ? "error:" : "warning:";
if (this->line >= 0) {
fprintf(to, "%s:%d: %s %s\n", this->file.string(), this->line, type, this->error.string());
} else {
fprintf(to, "%s: %s %s\n", this->file.string(), type, this->error.string());
}
}
// 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()
{
}
int
SourcePos::error(const char* fmt, ...) const
{
int retval=0;
char buf[1024];
va_list ap;
va_start(ap, fmt);
retval = vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
char* p = buf + retval - 1;
while (p > buf && *p == '\n') {
*p = '\0';
p--;
}
g_errors.push_back(ErrorPos(this->file, this->line, String8(buf), true));
return retval;
}
int
SourcePos::warning(const char* fmt, ...) const
{
int retval=0;
char buf[1024];
va_list ap;
va_start(ap, fmt);
retval = vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
char* p = buf + retval - 1;
while (p > buf && *p == '\n') {
*p = '\0';
p--;
}
ErrorPos(this->file, this->line, String8(buf), false).print(stderr);
return retval;
}
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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