static void
write_constant(write_ctx *ctx, const nir_constant *c)
{
blob_write_bytes(ctx->blob, c->values, sizeof(c->values));
blob_write_uint32(ctx->blob, c->num_elements);
for (unsigned i = 0; i < c->num_elements; i++)
write_constant(ctx, c->elements[i]);
}
static void
write_variable(write_ctx *ctx, const nir_variable *var)
{
write_add_object(ctx, var);
encode_type_to_blob(ctx->blob, var->type);
blob_write_uint32(ctx->blob, !!(var->name));
if (var->name)
blob_write_string(ctx->blob, var->name);
blob_write_bytes(ctx->blob, (uint8_t *) &var->data, sizeof(var->data));
blob_write_uint32(ctx->blob, var->num_state_slots);
blob_write_bytes(ctx->blob, (uint8_t *) var->state_slots,
var->num_state_slots * sizeof(nir_state_slot));
blob_write_uint32(ctx->blob, !!(var->constant_initializer));
if (var->constant_initializer)
write_constant(ctx, var->constant_initializer);
blob_write_uint32(ctx->blob, !!(var->interface_type));
if (var->interface_type)
encode_type_to_blob(ctx->blob, var->interface_type);
blob_write_uint32(ctx->blob, var->num_members);
if (var->num_members > 0) {
blob_write_bytes(ctx->blob, (uint8_t *) var->members,
var->num_members * sizeof(*var->members));
}
}
static struct child_process *get_helper(struct transport *transport)
{
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct child_process *helper;
const char **refspecs = NULL;
int refspec_nr = 0;
int refspec_alloc = 0;
int duped;
int code;
if (data->helper)
return data->helper;
helper = xcalloc(1, sizeof(*helper));
helper->in = -1;
helper->out = -1;
helper->err = 0;
helper->argv = xcalloc(4, sizeof(*helper->argv));
strbuf_addf(&buf, "git-remote-%s", data->name);
helper->argv[0] = strbuf_detach(&buf, NULL);
helper->argv[1] = transport->remote->name;
helper->argv[2] = remove_ext_force(transport->url);
helper->git_cmd = 0;
helper->silent_exec_failure = 1;
code = start_command(helper);
if (code < 0 && errno == ENOENT)
die("Unable to find remote helper for '%s'", data->name);
else if (code != 0)
exit(code);
data->helper = helper;
data->no_disconnect_req = 0;
/*
* Open the output as FILE* so strbuf_getline() can be used.
* Do this with duped fd because fclose() will close the fd,
* and stuff like taking over will require the fd to remain.
*/
duped = dup(helper->out);
if (duped < 0)
die_errno("Can't dup helper output fd");
data->out = xfdopen(duped, "r");
write_constant(helper->in, "capabilities\n");
while (1) {
const char *capname;
int mandatory = 0;
recvline(data, &buf);
if (!*buf.buf)
break;
if (*buf.buf == '*') {
capname = buf.buf + 1;
mandatory = 1;
} else
capname = buf.buf;
if (debug)
fprintf(stderr, "Debug: Got cap %s\n", capname);
if (!strcmp(capname, "fetch"))
data->fetch = 1;
else if (!strcmp(capname, "option"))
data->option = 1;
else if (!strcmp(capname, "push"))
data->push = 1;
else if (!strcmp(capname, "import"))
data->import = 1;
else if (!data->refspecs && !prefixcmp(capname, "refspec ")) {
ALLOC_GROW(refspecs,
refspec_nr + 1,
refspec_alloc);
refspecs[refspec_nr++] = strdup(buf.buf + strlen("refspec "));
} else if (!strcmp(capname, "connect")) {
data->connect = 1;
} else if (mandatory) {
die("Unknown mandatory capability %s. This remote "
"helper probably needs newer version of Git.\n",
capname);
}
}
if (refspecs) {
int i;
data->refspec_nr = refspec_nr;
data->refspecs = parse_fetch_refspec(refspec_nr, refspecs);
for (i = 0; i < refspec_nr; i++) {
free((char *)refspecs[i]);
}
free(refspecs);
}
strbuf_release(&buf);
if (debug)
fprintf(stderr, "Debug: Capabilities complete.\n");
return data->helper;
}
static void
write_obj(ScmObj port, ScmObj obj, enum ScmOutputType otype)
{
ScmObj sym;
#if SCM_USE_SRFI38
if (INTERESTINGP(obj)) {
scm_intobj_t index = get_shared_index(obj);
if (index > 0) {
/* defined datum */
scm_format(port, SCM_FMT_RAW_C, "#~ZU#", (size_t)index);
return;
}
if (index < 0) {
/* defining datum, with the new index negated */
scm_format(port, SCM_FMT_RAW_C, "#~ZU=", (size_t)-index);
/* Print it; the next time it'll be defined. */
}
}
#endif
switch (SCM_TYPE(obj)) {
#if SCM_USE_INT
case ScmInt:
scm_format(port, SCM_FMT_RAW_C, "~MD", SCM_INT_VALUE(obj));
break;
#endif
case ScmCons:
if (ERROBJP(obj))
write_errobj(port, obj, otype);
else
write_list(port, obj, otype);
break;
case ScmSymbol:
scm_port_puts(port, SCM_SYMBOL_NAME(obj));
break;
#if SCM_USE_CHAR
case ScmChar:
write_char(port, obj, otype);
break;
#endif
#if SCM_USE_STRING
case ScmString:
write_string(port, obj, otype);
break;
#endif
case ScmFunc:
scm_port_puts(port, (SCM_SYNTAXP(obj)) ? "#<syntax " : "#<subr ");
sym = scm_symbol_bound_to(obj);
if (TRUEP(sym))
scm_display(port, sym);
else
scm_format(port, SCM_FMT_RAW_C, "~P", (void *)obj);
scm_port_put_char(port, '>');
break;
#if SCM_USE_HYGIENIC_MACRO
case ScmMacro:
scm_port_puts(port, "#<macro ");
write_obj(port, SCM_HMACRO_RULES(obj), otype);
scm_port_puts(port, ">");
break;
case ScmFarsymbol:
write_farsymbol(port, obj, otype);
break;
case ScmSubpat:
if (SCM_SUBPAT_PVARP(obj)) {
#if SCM_DEBUG_MACRO
scm_port_puts(port, "#<pvar ");
write_obj(port, SCM_SUBPAT_OBJ(obj), otype);
scm_format(port, SCM_FMT_RAW_C, " ~MD>",
SCM_SUBPAT_PVAR_INDEX(obj));
#else /* not SCM_DEBUG_MACRO */
write_obj(port, SCM_SUBPAT_OBJ(obj), otype);
#endif /* not SCM_DEBUG_MACRO */
} else {
SCM_ASSERT(SCM_SUBPAT_REPPATP(obj));
write_obj(port, SCM_SUBPAT_REPPAT_PAT(obj), otype);
#if SCM_DEBUG_MACRO
scm_format(port, SCM_FMT_RAW_C, " ..[~MD]..",
SCM_SUBPAT_REPPAT_PVCOUNT(obj));
#else
scm_port_puts(port, " ...");
#endif
}
break;
#endif /* SCM_USE_HYGIENIC_MACRO */
case ScmClosure:
#if SCM_USE_LEGACY_MACRO
if (SYNTACTIC_CLOSUREP(obj))
scm_port_puts(port, "#<syntactic closure ");
else
#endif
scm_port_puts(port, "#<closure ");
write_obj(port, SCM_CLOSURE_EXP(obj), otype);
scm_port_put_char(port, '>');
break;
#if SCM_USE_VECTOR
case ScmVector:
write_vector(port, obj, otype);
break;
#endif
case ScmPort:
write_port(port, obj, otype);
break;
#if SCM_USE_CONTINUATION
case ScmContinuation:
scm_format(port, SCM_FMT_RAW_C, "#<continuation ~P>", (void *)obj);
break;
#endif
case ScmValuePacket:
scm_port_puts(port, "#<values ");
write_obj(port, SCM_VALUEPACKET_VALUES(obj), otype);
#if SCM_USE_VALUECONS
#if SCM_USE_STORAGE_FATTY
/* SCM_VALUEPACKET_VALUES() changes the type destructively */
SCM_ENTYPE(obj, ScmValuePacket);
#else /* SCM_USE_STORAGE_FATTY */
#error "valuecons is not supported on this storage implementation"
#endif /* SCM_USE_STORAGE_FATTY */
#endif /* SCM_USE_VALUECONS */
scm_port_put_char(port, '>');
break;
case ScmConstant:
write_constant(port, obj, otype);
break;
#if SCM_USE_SSCM_EXTENSIONS
case ScmCPointer:
scm_format(port, SCM_FMT_RAW_C,
"#<c_pointer ~P>", SCM_C_POINTER_VALUE(obj));
break;
case ScmCFuncPointer:
scm_format(port, SCM_FMT_RAW_C,
"#<c_func_pointer ~P>",
(void *)(uintptr_t)SCM_C_FUNCPOINTER_VALUE(obj));
break;
#endif
case ScmRational:
case ScmReal:
case ScmComplex:
default:
SCM_NOTREACHED;
}
}