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Code Issues 1 Releases Wiki Activity

Allow dynamically setting output for printers

Browse Source 
Some functions like print and debug/stacktrace print
to a file, usually stdout. This file can now be optionally set
via a dynamic variable.
This commit is contained in:
Calvin Rose
2019-04-16 21:44:19 -04:00
parent 513d551df6
commit 7918add47d
6 changed files with 32 additions and 20 deletions
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21
src/core/debug.c
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@@ -95,6 +95,7 @@ void janet_debug_find(
* consitency with the top level code it is defined once. */
void janet_stacktrace(JanetFiber *fiber, Janet err) {
int32_t fi;
FILE *out = janet_dynfile("err", stderr);
const char *errstr = (const char *)janet_to_string(err);
JanetFiber **fibers = NULL;
int wrote_error = 0;
@@ -116,43 +117,43 @@ void janet_stacktrace(JanetFiber *fiber, Janet err) {
if (!wrote_error) {
JanetFiberStatus status = janet_fiber_status(fiber);
const char *prefix = status == JANET_STATUS_ERROR ? "" : "status ";
fprintf(stderr, "%s%s: %s\n",
fprintf(out, "%s%s: %s\n",
prefix,
janet_status_names[status],
errstr);
wrote_error = 1;
}
fprintf(stderr, " in");
fprintf(out, " in");
if (frame->func) {
def = frame->func->def;
fprintf(stderr, " %s", def->name ? (const char *)def->name : "<anonymous>");
fprintf(out, " %s", def->name ? (const char *)def->name : "<anonymous>");
if (def->source) {
fprintf(stderr, " [%s]", (const char *)def->source);
fprintf(out, " [%s]", (const char *)def->source);
}
} else {
JanetCFunction cfun = (JanetCFunction)(frame->pc);
if (cfun) {
Janet name = janet_table_get(janet_vm_registry, janet_wrap_cfunction(cfun));
if (!janet_checktype(name, JANET_NIL))
fprintf(stderr, " %s", (const char *)janet_to_string(name));
fprintf(out, " %s", (const char *)janet_to_string(name));
else
fprintf(stderr, " <cfunction>");
fprintf(out, " <cfunction>");
}
}
if (frame->flags & JANET_STACKFRAME_TAILCALL)
fprintf(stderr, " (tailcall)");
fprintf(out, " (tailcall)");
if (frame->func && frame->pc) {
int32_t off = (int32_t)(frame->pc - def->bytecode);
if (def->sourcemap) {
JanetSourceMapping mapping = def->sourcemap[off];
fprintf(stderr, " at (%d:%d)", mapping.start, mapping.end);
fprintf(out, " at (%d:%d)", mapping.start, mapping.end);
} else {
fprintf(stderr, " pc=%d", off);
fprintf(out, " pc=%d", off);
}
}
fprintf(stderr, "\n");
fprintf(out, "\n");
}
}