static mrb_value
mrb_mod_to_s(mrb_state *mrb, mrb_value klass)
{
mrb_value str;
if (mrb_type(klass) == MRB_TT_SCLASS) {
mrb_value v = mrb_iv_get(mrb, klass, mrb_intern2(mrb, "__attached__", 12));
str = mrb_str_new(mrb, "#<Class:", 8);
switch (mrb_type(v)) {
case MRB_TT_CLASS:
case MRB_TT_MODULE:
case MRB_TT_SCLASS:
mrb_str_append(mrb, str, mrb_inspect(mrb, v));
break;
default:
mrb_str_append(mrb, str, mrb_any_to_s(mrb, v));
break;
}
mrb_str_cat(mrb, str, ">", 1);
}
else {
struct RClass *c;
mrb_value path;
str = mrb_str_buf_new(mrb, 32);
c = mrb_class_ptr(klass);
path = mrb_class_path(mrb, c);
if (mrb_nil_p(path)) {
switch (mrb_type(klass)) {
case MRB_TT_CLASS:
mrb_str_cat(mrb, str, "#<Class:", 8);
break;
case MRB_TT_MODULE:
mrb_str_cat(mrb, str, "#<Module:", 9);
break;
default:
/* Shouldn't be happened? */
mrb_str_cat(mrb, str, "#<??????:", 9);
break;
}
mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, c));
mrb_str_cat(mrb, str, ">", 1);
}
else {
str = path;
}
}
return str;
}
static void
localjump_error(mrb_state *mrb, localjump_error_kind kind)
{
char kind_str[3][7] = { "return", "break", "yield" };
char kind_str_len[] = { 6, 5, 5 };
static const char lead[] = "unexpected ";
mrb_value msg;
mrb_value exc;
msg = mrb_str_buf_new(mrb, sizeof(lead) + 7);
mrb_str_cat(mrb, msg, lead, sizeof(lead) - 1);
mrb_str_cat(mrb, msg, kind_str[kind], kind_str_len[kind]);
exc = mrb_exc_new_str(mrb, E_LOCALJUMP_ERROR, msg);
mrb->exc = mrb_obj_ptr(exc);
}
mrb_value
mrb_class_find_path(mrb_state *mrb, struct RClass *c)
{
mrb_value outer, path;
mrb_sym name;
const char *str;
mrb_int len;
mrb_sym osym = mrb_intern_lit(mrb, "__outer__");
outer = mrb_obj_iv_get(mrb, (struct RObject*)c, osym);
if (mrb_nil_p(outer)) return outer;
name = find_class_sym(mrb, mrb_class_ptr(outer), c);
if (name == 0) return mrb_nil_value();
str = mrb_class_name(mrb, mrb_class_ptr(outer));
path = mrb_str_new_capa(mrb, 40);
mrb_str_cat_cstr(mrb, path, str);
mrb_str_cat_cstr(mrb, path, "::");
str = mrb_sym2name_len(mrb, name, &len);
mrb_str_cat(mrb, path, str, len);
iv_del(mrb, c->iv, osym, NULL);
iv_put(mrb, c->iv, mrb_intern_lit(mrb, "__classname__"), path);
mrb_field_write_barrier_value(mrb, (struct RBasic*)c, path);
return path;
}
mrb_value
mrb_class_find_path(mrb_state *mrb, struct RClass *c)
{
struct RClass *outer;
mrb_value path;
mrb_sym name;
const char *str;
mrb_int len;
if (detect_outer_loop(mrb, c)) return mrb_nil_value();
outer = outer_class(mrb, c);
if (outer == NULL) return mrb_nil_value();
name = find_class_sym(mrb, outer, c);
if (name == 0) return mrb_nil_value();
str = mrb_class_name(mrb, outer);
path = mrb_str_new_capa(mrb, 40);
mrb_str_cat_cstr(mrb, path, str);
mrb_str_cat_cstr(mrb, path, "::");
str = mrb_sym2name_len(mrb, name, &len);
mrb_str_cat(mrb, path, str, len);
if (RSTRING_PTR(path)[0] != '#') {
iv_del(mrb, c->iv, mrb_intern_lit(mrb, "__outer__"), NULL);
iv_put(mrb, c->iv, mrb_intern_lit(mrb, "__classname__"), path);
mrb_field_write_barrier_value(mrb, (struct RBasic*)c, path);
}
return path;
}
static void
get_backtrace_i(mrb_state *mrb, struct backtrace_location *loc, void *data)
{
mrb_value ary, str;
char buf[32];
int ai = mrb_gc_arena_save(mrb);
ary = mrb_obj_value((struct RArray*)data);
str = mrb_str_new_cstr(mrb, loc->filename);
snprintf(buf, sizeof(buf), ":%d", loc->lineno);
mrb_str_cat_cstr(mrb, str, buf);
if (loc->method) {
mrb_str_cat_lit(mrb, str, ":in ");
if (loc->class_name) {
mrb_str_cat_cstr(mrb, str, loc->class_name);
mrb_str_cat(mrb, str, &loc->sep, 1);
}
mrb_str_cat_cstr(mrb, str, loc->method);
}
mrb_ary_push(mrb, ary, str);
mrb_gc_arena_restore(mrb, ai);
}
static mrb_value
inspect_hash(mrb_state *mrb, mrb_value hash, int recur)
{
mrb_value str, str2;
khash_t(ht) *h = RHASH_TBL(hash);
khiter_t k;
if (recur) return mrb_str_new_lit(mrb, "{...}");
str = mrb_str_new_lit(mrb, "{");
if (h && kh_size(h) > 0) {
for (k = kh_begin(h); k != kh_end(h); k++) {
int ai;
if (!kh_exist(h,k)) continue;
ai = mrb_gc_arena_save(mrb);
if (RSTRING_LEN(str) > 1) mrb_str_cat(mrb, str, ", ", 2);
str2 = mrb_inspect(mrb, kh_key(h,k));
mrb_str_append(mrb, str, str2);
mrb_str_buf_cat(mrb, str, "=>", 2);
str2 = mrb_inspect(mrb, kh_value(h,k));
mrb_str_append(mrb, str, str2);
mrb_gc_arena_restore(mrb, ai);
}
}
mrb_str_buf_cat(mrb, str, "}", 1);
return str;
}
static int
inspect_i(mrb_state *mrb, mrb_sym sym, mrb_value v, void *p)
{
mrb_value str = *(mrb_value*)p;
const char *s;
mrb_int len;
mrb_value ins;
char *sp = RSTRING_PTR(str);
/* need not to show internal data */
if (sp[0] == '-') { /* first element */
sp[0] = '#';
mrb_str_cat_lit(mrb, str, " ");
}
else {
mrb_str_cat_lit(mrb, str, ", ");
}
s = mrb_sym2name_len(mrb, sym, &len);
mrb_str_cat(mrb, str, s, len);
mrb_str_cat_lit(mrb, str, "=");
if (mrb_type(v) == MRB_TT_OBJECT) {
ins = mrb_any_to_s(mrb, v);
}
else {
ins = mrb_inspect(mrb, v);
}
mrb_str_cat_str(mrb, str, ins);
return 0;
}
static khint_t
mrb_hash_ht_hash_func(mrb_state *mrb, mrb_value key)
{
char type = mrb_type(key);
mrb_value s1 = mrb_str_new(mrb, &type, 1);
mrb_value s2 = mrb_inspect(mrb, key);
s1 = mrb_str_cat(mrb, s1, RSTRING_PTR(s2), RSTRING_LEN(s2));
return kh_str_hash_func(mrb, RSTRING_PTR(s1));
}
const char*
mrb_class_name(mrb_state *mrb, struct RClass* c)
{
mrb_value path = mrb_class_path(mrb, c);
if (mrb_nil_p(path)) {
path = mrb_str_new(mrb, "#<Class:", 8);
mrb_str_concat(mrb, path, mrb_ptr_to_str(mrb, c));
mrb_str_cat(mrb, path, ">", 1);
}
return mrb_str_ptr(path)->ptr;
}
mrb_value
mrb_obj_iv_inspect(mrb_state *mrb, struct RObject *obj)
{
iv_tbl *t = obj->iv;
size_t len = iv_size(mrb, t);
if (len > 0) {
const char *cn = mrb_obj_classname(mrb, mrb_obj_value(obj));
mrb_value str = mrb_str_buf_new(mrb, 30);
mrb_str_buf_cat(mrb, str, "-<", 2);
mrb_str_cat2(mrb, str, cn);
mrb_str_cat(mrb, str, ":", 1);
mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, obj));
iv_foreach(mrb, t, inspect_i, &str);
mrb_str_cat(mrb, str, ">", 1);
return str;
}
return mrb_any_to_s(mrb, mrb_obj_value(obj));
}
static int
inspect_i(mrb_state *mrb, mrb_sym sym, mrb_value v, void *p)
{
mrb_value str = *(mrb_value*)p;
const char *s;
size_t len;
/* need not to show internal data */
if (RSTRING_PTR(str)[0] == '-') { /* first element */
RSTRING_PTR(str)[0] = '#';
mrb_str_cat(mrb, str, " ", 1);
}
else {
mrb_str_cat(mrb, str, ", ", 2);
}
s = mrb_sym2name_len(mrb, sym, &len);
mrb_str_cat(mrb, str, s, len);
mrb_str_cat(mrb, str, "=", 1);
mrb_str_append(mrb, str, mrb_inspect(mrb, v));
return 0;
}
static mrb_value
exc_inspect(mrb_state *mrb, mrb_value exc)
{
mrb_value str, mesg, file, line;
mesg = mrb_attr_get(mrb, exc, mrb_intern2(mrb, "mesg", 4));
file = mrb_attr_get(mrb, exc, mrb_intern2(mrb, "file", 4));
line = mrb_attr_get(mrb, exc, mrb_intern2(mrb, "line", 4));
if (!mrb_nil_p(file) && !mrb_nil_p(line)) {
str = file;
mrb_str_cat(mrb, str, ":", 1);
mrb_str_append(mrb, str, line);
mrb_str_cat(mrb, str, ": ", 2);
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
mrb_str_append(mrb, str, mesg);
mrb_str_cat(mrb, str, " (", 2);
}
mrb_str_cat_cstr(mrb, str, mrb_obj_classname(mrb, exc));
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
mrb_str_cat(mrb, str, ")", 1);
}
}
else {
str = mrb_str_new_cstr(mrb, mrb_obj_classname(mrb, exc));
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
mrb_str_cat(mrb, str, ": ", 2);
mrb_str_append(mrb, str, mesg);
} else {
mrb_str_cat(mrb, str, ": ", 2);
mrb_str_cat_cstr(mrb, str, mrb_obj_classname(mrb, exc));
}
}
return str;
}
static void post_response(struct st_h2o_mruby_http_request_context_t *ctx, int status,
const h2o_http1client_header_t *headers_sorted, size_t num_headers)
{
mrb_state *mrb = ctx->generator->ctx->shared->mrb;
int gc_arena = mrb_gc_arena_save(mrb);
size_t i;
mrb_value resp = mrb_ary_new_capa(mrb, 3);
/* set status */
mrb_ary_set(mrb, resp, 0, mrb_fixnum_value(status));
/* set headers */
mrb_value headers_hash = mrb_hash_new_capa(mrb, (int)num_headers);
for (i = 0; i < num_headers; ++i) {
/* skip the headers, we determine the eos! */
if (h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, H2O_STRLIT("content-length")) ||
h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, H2O_STRLIT("transfer-encoding")))
continue;
/* build and set the hash entry */
mrb_value k = mrb_str_new(mrb, headers_sorted[i].name, headers_sorted[i].name_len);
mrb_value v = mrb_str_new(mrb, headers_sorted[i].value, headers_sorted[i].value_len);
while (i + 1 < num_headers && h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, headers_sorted[i + 1].name,
headers_sorted[i + 1].name_len)) {
++i;
v = mrb_str_cat_lit(mrb, v, "\n");
v = mrb_str_cat(mrb, v, headers_sorted[i].value, headers_sorted[i].value_len);
}
mrb_hash_set(mrb, headers_hash, k, v);
}
mrb_ary_set(mrb, resp, 1, headers_hash);
/* set input stream */
assert(mrb_nil_p(ctx->refs.input_stream));
ctx->refs.input_stream = h2o_mruby_create_data_instance(
mrb, mrb_ary_entry(ctx->generator->ctx->shared->constants, H2O_MRUBY_HTTP_INPUT_STREAM_CLASS), ctx, &input_stream_type);
mrb_ary_set(mrb, resp, 2, ctx->refs.input_stream);
if (mrb_nil_p(ctx->receiver)) {
/* is async */
mrb_funcall(mrb, ctx->refs.request, "_set_response", 1, resp);
if (mrb->exc != NULL) {
fprintf(stderr, "_set_response failed\n");
abort();
}
} else {
/* send response to the waiting receiver */
h2o_mruby_run_fiber(ctx->generator, detach_receiver(ctx), resp, NULL);
}
mrb_gc_arena_restore(mrb, gc_arena);
}
static mrb_value
range_to_s(mrb_state *mrb, mrb_value range)
{
mrb_value str, str2;
struct RRange *r = mrb_range_ptr(range);
str = mrb_obj_as_string(mrb, r->edges->beg);
str2 = mrb_obj_as_string(mrb, r->edges->end);
str = mrb_str_dup(mrb, str);
mrb_str_cat(mrb, str, "...", r->excl ? 3 : 2);
mrb_str_append(mrb, str, str2);
return str;
}
mrb_value
mrb_any_to_s(mrb_state *mrb, mrb_value obj)
{
mrb_value str = mrb_str_buf_new(mrb, 20);
const char *cname = mrb_obj_classname(mrb, obj);
mrb_str_buf_cat(mrb, str, "#<", 2);
mrb_str_cat2(mrb, str, cname);
mrb_str_cat(mrb, str, ":", 1);
mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, mrb_cptr(obj)));
mrb_str_buf_cat(mrb, str, ">", 1);
return str;
}
mrb_value
mrb_obj_iv_inspect(mrb_state *mrb, struct RObject *obj)
{
iv_tbl *t = obj->iv;
int len = iv_size(mrb, t);
if (len > 0) {
const char *cn = mrb_obj_classname(mrb, mrb_obj_value(obj));
mrb_value str = mrb_sprintf(mrb, "-<%s:%p", cn, (void*)obj);
iv_foreach(mrb, t, inspect_i, &str);
mrb_str_cat(mrb, str, ">", 1);
return str;
}
return mrb_any_to_s(mrb, mrb_obj_value(obj));
}
static mrb_value
inspect_range(mrb_state *mrb, mrb_value range, mrb_value dummy, int recur)
{
mrb_value str, str2;
struct RRange *r = mrb_range_ptr(range);
if (recur) {
return mrb_str_new2(mrb, r->excl ? "(... ... ...)" : "(... .. ...)");
}
str = mrb_inspect(mrb, r->edges->beg);
str2 = mrb_inspect(mrb, r->edges->end);
str = mrb_str_dup(mrb, str);
mrb_str_cat(mrb, str, "...", r->excl ? 3 : 2);
mrb_str_append(mrb, str, str2);
return str;
}
static mrb_value
inspect_range(mrb_state *mrb, mrb_value range, mrb_value dummy, int recur)
{
mrb_value str, str2;
struct RRange *r = mrb_range_ptr(range);
if (recur) {
static const char s[2][14] = { "(... ... ...)", "(... .. ...)" };
static const int n[] = { 13, 12 };
int idx;
idx = (r->excl) ? 0 : 1;
return mrb_str_new(mrb, s[idx], n[idx]);
}
str = mrb_inspect(mrb, r->edges->beg);
str2 = mrb_inspect(mrb, r->edges->end);
str = mrb_str_dup(mrb, str);
mrb_str_cat(mrb, str, "...", r->excl ? 3 : 2);
mrb_str_append(mrb, str, str2);
return str;
}
mrb_value
mrb_restore_backtrace(mrb_state *mrb)
{
int i;
mrb_value backtrace;
backtrace = mrb_ary_new(mrb);
for (i = 0; i < mrb->backtrace.n; i++) {
int ai;
mrb_backtrace_entry *entry;
mrb_value mrb_entry;
char buf[32];
ai = mrb_gc_arena_save(mrb);
entry = &(mrb->backtrace.entries[i]);
mrb_entry = mrb_str_new_cstr(mrb, entry->filename);
snprintf(buf, sizeof(buf), ":%d", entry->lineno);
mrb_str_cat_cstr(mrb, mrb_entry, buf);
if (entry->method_id != 0) {
mrb_str_cat_lit(mrb, mrb_entry, ":in ");
if (entry->klass) {
mrb_str_cat_cstr(mrb, mrb_entry, mrb_class_name(mrb, entry->klass));
mrb_str_cat(mrb, mrb_entry, &entry->sep, 1);
}
mrb_str_cat_cstr(mrb, mrb_entry, mrb_sym2name(mrb, entry->method_id));
}
mrb_ary_push(mrb, backtrace, mrb_entry);
mrb_gc_arena_restore(mrb, ai);
}
return backtrace;
}
/*********************************************************
* main
*********************************************************/
static mrb_value
mrb_value_to_string(mrb_state* mrb, mrb_value value) {
mrb_value str;
if (mrb_nil_p(value)) {
return mrb_str_new_cstr(mrb, "null");
}
switch (mrb_type(value)) {
case MRB_TT_FIXNUM:
case MRB_TT_FLOAT:
case MRB_TT_TRUE:
case MRB_TT_FALSE:
case MRB_TT_UNDEF:
str = mrb_funcall(mrb, value, "to_s", 0, NULL);
break;
case MRB_TT_SYMBOL:
value = mrb_funcall(mrb, value, "to_s", 0, NULL);
/* FALLTHROUGH */
case MRB_TT_STRING:
{
int ai = mrb_gc_arena_save(mrb);
char* ptr = RSTRING_PTR(value);
char* end = RSTRING_END(value);
str = mrb_str_new_cstr(mrb, "\"");
while (ptr < end && *ptr) {
switch (*ptr) {
case '\\':
str = mrb_str_cat_cstr(mrb, str, "\\\\");
break;
case '"':
str = mrb_str_cat_cstr(mrb, str, "\\\"");
break;
case '\b':
str = mrb_str_cat_cstr(mrb, str, "\\b");
break;
case '\f':
str = mrb_str_cat_cstr(mrb, str, "\\f");
break;
case '\n':
str = mrb_str_cat_cstr(mrb, str, "\\n");
break;
case '\r':
str = mrb_str_cat_cstr(mrb, str, "\\r");
break;
case '\t':
str = mrb_str_cat_cstr(mrb, str, "\\t");
break;
default:
// TODO: handle unicode
str = mrb_str_cat(mrb, str, ptr, 1);
}
ptr++;
}
mrb_str_cat_cstr(mrb, str, "\"");
mrb_gc_arena_restore(mrb, ai);
}
break;
case MRB_TT_HASH:
{
mrb_value keys;
int n, l;
str = mrb_str_new_cstr(mrb, "{");
keys = mrb_hash_keys(mrb, value);
l = RARRAY_LEN(keys);
for (n = 0; n < l; n++) {
mrb_value obj;
int ai = mrb_gc_arena_save(mrb);
mrb_value key = mrb_ary_entry(keys, n);
mrb_value enckey = mrb_funcall(mrb, key, "to_s", 0, NULL);
enckey = mrb_funcall(mrb, enckey, "inspect", 0, NULL);
mrb_str_concat(mrb, str, enckey);
mrb_str_cat_cstr(mrb, str, ":");
obj = mrb_hash_get(mrb, value, key);
mrb_str_concat(mrb, str, mrb_value_to_string(mrb, obj));
if (n != l - 1) {
mrb_str_cat_cstr(mrb, str, ",");
}
mrb_gc_arena_restore(mrb, ai);
}
mrb_str_cat_cstr(mrb, str, "}");
break;
}
case MRB_TT_ARRAY:
{
int n, l;
str = mrb_str_new_cstr(mrb, "[");
l = RARRAY_LEN(value);
for (n = 0; n < l; n++) {
int ai = mrb_gc_arena_save(mrb);
mrb_value obj = mrb_ary_entry(value, n);
mrb_str_concat(mrb, str, mrb_value_to_string(mrb, obj));
if (n != l - 1) {
mrb_str_cat_cstr(mrb, str, ",");
}
mrb_gc_arena_restore(mrb, ai);
}
mrb_str_cat_cstr(mrb, str, "]");
break;
}
default:
mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid argument");
}
return str;
}
/*
* call-seq:
* string.succ -> string
*
* Returns next sequence of the string;
*
* a = "abc"
* a.succ #=> "abd"
*/
static mrb_value
mrb_str_succ_bang(mrb_state *mrb, mrb_value self)
{
mrb_value result;
unsigned char *p, *e, *b, *t;
const char *prepend;
struct RString *s = mrb_str_ptr(self);
size_t l;
if (RSTRING_LEN(self) == 0)
return self;
mrb_str_modify(mrb, s);
l = RSTRING_LEN(self);
b = p = (unsigned char*) RSTRING_PTR(self);
t = e = p + l;
*(e--) = 0;
// find trailing ascii/number
while (e >= b) {
if (ISALNUM(*e))
break;
e--;
}
if (e < b) {
e = p + l - 1;
result = mrb_str_new_lit(mrb, "");
} else {
// find leading letter of the ascii/number
b = e;
while (b > p) {
if (!ISALNUM(*b) || (ISALNUM(*b) && *b != '9' && *b != 'z' && *b != 'Z'))
break;
b--;
}
if (!ISALNUM(*b))
b++;
result = mrb_str_new(mrb, (char*) p, b - p);
}
while (e >= b) {
if (!ISALNUM(*e)) {
if (*e == 0xff) {
mrb_str_cat_lit(mrb, result, "\x01");
(*e) = 0;
} else
(*e)++;
break;
}
prepend = NULL;
if (*e == '9') {
if (e == b) prepend = "1";
*e = '0';
} else if (*e == 'z') {
if (e == b) prepend = "a";
*e = 'a';
} else if (*e == 'Z') {
if (e == b) prepend = "A";
*e = 'A';
} else {
(*e)++;
break;
}
if (prepend) mrb_str_cat_cstr(mrb, result, prepend);
e--;
}
result = mrb_str_cat(mrb, result, (char*) b, t - b);
l = RSTRING_LEN(result);
mrb_str_resize(mrb, self, l);
memcpy(RSTRING_PTR(self), RSTRING_PTR(result), l);
return self;
}
