mirror of
https://github.com/janet-lang/janet
synced 2024-11-15 21:24:48 +00:00
2d7df6b78e
- Allow passing a table to fibers, which make fiber level scope easier. - Add fiber/getenv, fiber/setenv, dyn, and setdyn - Remove meta, *env*, and *doc-width* - Some functions changed dignatures, and no longer take an env
107 lines
3.9 KiB
C
107 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 2019 Calvin Rose
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef JANET_AMALG
|
|
#include <janet.h>
|
|
#include "state.h"
|
|
#endif
|
|
|
|
/* Run a string */
|
|
int janet_dobytes(JanetTable *env, const uint8_t *bytes, int32_t len, const char *sourcePath, Janet *out) {
|
|
JanetParser parser;
|
|
int errflags = 0, done = 0;
|
|
int32_t index = 0;
|
|
Janet ret = janet_wrap_nil();
|
|
const uint8_t *where = sourcePath ? janet_cstring(sourcePath) : NULL;
|
|
|
|
if (where) janet_gcroot(janet_wrap_string(where));
|
|
if (NULL == sourcePath) sourcePath = "<unknown>";
|
|
janet_parser_init(&parser);
|
|
|
|
/* While we haven't seen an error */
|
|
while (!done) {
|
|
|
|
/* Evaluate parsed values */
|
|
while (janet_parser_has_more(&parser)) {
|
|
Janet form = janet_parser_produce(&parser);
|
|
JanetCompileResult cres = janet_compile(form, env, where);
|
|
if (cres.status == JANET_COMPILE_OK) {
|
|
JanetFunction *f = janet_thunk(cres.funcdef);
|
|
JanetFiber *fiber = janet_fiber(f, 64, 0, NULL);
|
|
fiber->env = env;
|
|
JanetSignal status = janet_continue(fiber, janet_wrap_nil(), &ret);
|
|
if (status != JANET_SIGNAL_OK) {
|
|
janet_stacktrace(fiber, ret);
|
|
errflags |= 0x01;
|
|
done = 1;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "compile error in %s: %s\n", sourcePath,
|
|
(const char *)cres.error);
|
|
errflags |= 0x02;
|
|
done = 1;
|
|
}
|
|
}
|
|
|
|
/* Dispatch based on parse state */
|
|
switch (janet_parser_status(&parser)) {
|
|
case JANET_PARSE_DEAD:
|
|
done = 1;
|
|
break;
|
|
case JANET_PARSE_ERROR:
|
|
errflags |= 0x04;
|
|
fprintf(stderr, "parse error in %s: %s\n",
|
|
sourcePath, janet_parser_error(&parser));
|
|
done = 1;
|
|
break;
|
|
case JANET_PARSE_PENDING:
|
|
if (index == len) {
|
|
janet_parser_eof(&parser);
|
|
} else {
|
|
janet_parser_consume(&parser, bytes[index++]);
|
|
}
|
|
break;
|
|
case JANET_PARSE_ROOT:
|
|
if (index >= len) {
|
|
janet_parser_eof(&parser);
|
|
} else {
|
|
janet_parser_consume(&parser, bytes[index++]);
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/* Clean up and return errors */
|
|
janet_parser_deinit(&parser);
|
|
if (where) janet_gcunroot(janet_wrap_string(where));
|
|
if (out) *out = ret;
|
|
return errflags;
|
|
}
|
|
|
|
int janet_dostring(JanetTable *env, const char *str, const char *sourcePath, Janet *out) {
|
|
int32_t len = 0;
|
|
while (str[len]) ++len;
|
|
return janet_dobytes(env, (const uint8_t *)str, len, sourcePath, out);
|
|
}
|
|
|