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#include "Rts.h"
#include "TraceDump.h"
#include "Trace.h"
#include "Printer.h"
#if defined(TRACE_DUMP)
static int gc_n = 0;
static FILE *trace_dump = NULL;
static char current_src[255] = "unknown";
void
trace_dump_start_gc(void)
{
trace_dump_end_gc();
char fname[255];
snprintf(fname, 255, "trace-dumps/%05d.dot", gc_n);
trace_dump = fopen(fname, "w");
if (trace_dump == NULL) abort();
fprintf(trace_dump, "digraph {\n");
debugBelch("trace dump: Starting trace %d\n", gc_n);
//trace(TRACE_gc, "trace dump: Starting trace %d\n", gc_n);
gc_n++;
}
void
trace_dump_end_gc(void)
{
if (trace_dump) {
fprintf(trace_dump, "}\n");
fclose(trace_dump);
}
trace_dump = NULL;
}
void
trace_dump_set_source(const char *c)
{
strncpy(current_src, c, sizeof(current_src));
}
void
trace_dump_set_source_closure(StgClosure *c)
{
c = UNTAG_CLOSURE(c);
snprintf(current_src, sizeof(current_src), "%p", c);
if (!trace_dump)
return;
const StgInfoTable *info = get_itbl(c);
const char *type;
switch ( info->type ) {
case CONSTR:
case CONSTR_1_0: case CONSTR_0_1:
case CONSTR_1_1: case CONSTR_0_2: case CONSTR_2_0:
case CONSTR_NOCAF:
{
const StgConInfoTable *con_info = get_con_itbl (c);
type = GET_CON_DESC(con_info);
break;
}
default:
type = closure_type_names[info->type];
}
fprintf(trace_dump, " \"%p\" [label=\"%p\\n%s\" info=\"%p\" type=\"%s\"];\n",
UNTAG_CLOSURE(c), UNTAG_CLOSURE(c), type, info, type);
}
void
trace_dump_edge(StgClosure *tgt)
{
if (!trace_dump)
return;
fprintf(trace_dump, " \"%s\" -> \"%p\";\n", current_src, UNTAG_CLOSURE(tgt));
}
#endif
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