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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
/*
* standalone mini error implementation
*/
#include <ast/ast.h>
#include <ast/error.h>
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
#include <util/exit.h>
Error_info_t error_info;
void setErrorLine (int line) { error_info.line = line; }
void setErrorFileLine (char* src, int line) {
error_info.file = src;
error_info.line = line;
}
void setErrorId (char* id) { error_info.id = id; }
void setErrorErrors (int errors) { error_info.errors = errors; }
int getErrorErrors (void) { return error_info.errors; }
void setTraceLevel (int i) { error_info.trace = i; }
void errorv(const char *id, int level, const char *s, va_list ap)
{
int flags;
if (level < error_info.trace) return;
if (level < 0)
flags = 0;
else {
flags = level & ~ERROR_LEVEL;
level &= ERROR_LEVEL;
}
const char *prefix;
if (level && ((prefix = error_info.id) || (prefix = id))) {
if (flags & ERROR_USAGE)
fprintf(stderr, "Usage: %s ", prefix);
else
fprintf(stderr, "%s: ", prefix);
}
if (flags & ERROR_USAGE)
/*nop */ ;
else if (level < 0) {
int i;
for (i = 0; i < error_info.indent; i++)
fprintf(stderr, " ");
fprintf(stderr, "debug%d: ", level);
} else if (level) {
if (level == ERROR_WARNING) {
fprintf(stderr, "warning: ");
error_info.warnings++;
} else {
error_info.errors++;
if (level == ERROR_PANIC)
fprintf(stderr, "panic: ");
}
if (error_info.line) {
if (error_info.file && *error_info.file)
fprintf(stderr, "\"%s\", ", error_info.file);
fprintf(stderr, "line %d: ", error_info.line);
}
}
vfprintf(stderr, s, ap);
fprintf(stderr, "\n");
if (level >= ERROR_FATAL)
graphviz_exit(level - ERROR_FATAL + 1);
}
void error(int level, const char *s, ...)
{
va_list ap;
va_start(ap, s);
errorv(NULL, level, s, ap);
va_end(ap);
}
void errorf(void *handle, void *discipline, int level, const char *s, ...)
{
va_list ap;
va_start(ap, s);
errorv((discipline
&& handle) ? *((char **) handle) : (char *) handle, level, s, ap);
va_end(ap);
}
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