mirror of https://github.com/janet-lang/janet
Refactor module and env code into separate files.
This commit is contained in:
bakpakin
parent
6a8ec0c895
commit
8c20b7229a
2
Makefile
2
Makefile
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@ -21,7 +21,7 @@ all: $(GST_TARGET)
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##### The core vm and runtime #####
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###################################
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GST_CORE_SOURCES=$(addprefix core/,\
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compile.c parse.c stl.c ids.c util.c\
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compile.c parse.c stl.c ids.c util.c env.c module.c\
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value.c vm.c ds.c gc.c thread.c serialize.c\
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string.c)
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GST_CORE_OBJECTS=$(patsubst %.c,%.o,$(GST_CORE_SOURCES))
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@ -113,7 +113,7 @@ static int debug_run(Gst *vm, FILE *in, int64_t flags) {
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printf_flags(flags, "31", "parse error: unexpected end of source%s\n", "");
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return 1;
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}
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/* Otherwise we finished the file with no problems*/
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/* Otherwise we finished the file with no problems */
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return 0;
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}
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reader = buffer;
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@ -0,0 +1,134 @@
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/*
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* Copyright (c) 2017 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <gst/gst.h>
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static GstTable *gst_env_keytab(Gst *vm, GstTable *env, const char *keyword) {
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GstTable *tab;
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GstValue key = gst_string_cv(vm, keyword);
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GstValue maybeTab = gst_table_get(env, key);
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if (maybeTab.type != GST_TABLE) {
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tab = gst_table(vm, 10);
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gst_table_put(vm, env, key, gst_wrap_table(tab));
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} else {
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tab = maybeTab.data.table;
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}
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return tab;
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}
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GstTable *gst_env_nils(Gst *vm, GstTable *env) {
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return gst_env_keytab(vm, env, "nils");
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}
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GstTable *gst_env_meta(Gst *vm, GstTable *env) {
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return gst_env_keytab(vm, env, "meta");
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}
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/* Add many global variables and bind to nil */
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static void mergenils(Gst *vm, GstTable *destEnv, GstTable *nils) {
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const GstValue *data = nils->data;
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uint32_t len = nils->capacity;
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uint32_t i;
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GstTable *destNils = gst_env_nils(vm, destEnv);
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for (i = 0; i < len; i += 2) {
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if (data[i].type == GST_SYMBOL) {
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gst_table_put(vm, destEnv, data[i], gst_wrap_nil());
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gst_table_put(vm, destNils, data[i], gst_wrap_boolean(1));
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}
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}
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}
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/* Add many global variable metadata */
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static void mergemeta(Gst *vm, GstTable *destEnv, GstTable *meta) {
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const GstValue *data = meta->data;
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uint32_t len = meta->capacity;
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uint32_t i;
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GstTable *destMeta = gst_env_meta(vm, destEnv);
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for (i = 0; i < len; i += 2) {
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if (data[i].type == GST_SYMBOL) {
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gst_table_put(vm, destMeta, data[i], data[i + 1]);
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}
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}
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}
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/* Simple strequal between gst string ans c string, no 0s in b allowed */
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static int streq(const char *str, const uint8_t *b) {
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uint32_t len = gst_string_length(b);
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uint32_t i;
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const uint8_t *ustr = (const uint8_t *)str;
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for (i = 0; i < len; ++i) {
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if (ustr[i] != b[i])
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return 0;
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}
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return 1;
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}
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/* Add many global variables */
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void gst_env_merge(Gst *vm, GstTable *destEnv, GstTable *srcEnv) {
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const GstValue *data = srcEnv->data;
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uint32_t len = srcEnv->capacity;
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uint32_t i;
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for (i = 0; i < len; i += 2) {
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if (data[i].type == GST_SYMBOL) {
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gst_table_put(vm, destEnv, data[i], data[i + 1]);
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} else if (data[i].type == GST_STRING) {
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const uint8_t *k = data[i].data.string;
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if (streq("nils", k)) {
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if (data[i + 1].type == GST_TABLE)
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mergenils(vm, destEnv, data[i + 1].data.table);
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} else if (streq("meta", k)) {
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if (data[i + 1].type == GST_TABLE)
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mergemeta(vm, destEnv, data[i + 1].data.table);
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}
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}
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}
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}
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void gst_env_put(Gst *vm, GstTable *env, GstValue key, GstValue value) {
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GstTable *meta = gst_env_meta(vm, env);
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gst_table_put(vm, meta, key, gst_wrap_nil());
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gst_table_put(vm, env, key, value);
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if (value.type == GST_NIL) {
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gst_table_put(vm, gst_env_nils(vm, env), key, gst_wrap_boolean(1));
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}
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}
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void gst_env_putc(Gst *vm, GstTable *env, const char *key, GstValue value) {
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GstValue keyv = gst_string_cvs(vm, key);
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gst_env_put(vm, env, keyv, value);
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}
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void gst_env_putvar(Gst *vm, GstTable *env, GstValue key, GstValue value) {
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GstTable *meta = gst_env_meta(vm, env);
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GstTable *newmeta = gst_table(vm, 4);
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GstArray *ref = gst_array(vm, 1);
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ref->count = 1;
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ref->data[0] = value;
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gst_table_put(vm, env, key, gst_wrap_array(ref));
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gst_table_put(vm, newmeta, gst_string_cv(vm, "mutable"), gst_wrap_boolean(1));
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gst_table_put(vm, meta, key, gst_wrap_table(newmeta));
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}
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void gst_env_putvarc(Gst *vm, GstTable *env, const char *key, GstValue value) {
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GstValue keyv = gst_string_cvs(vm, key);
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gst_env_putvar(vm, env, keyv, value);
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}
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@ -0,0 +1,101 @@
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/*
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* Copyright (c) 2017 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <gst/gst.h>
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static void gst_cmodule_register(Gst *vm, const char *name, const GstModuleItem *mod) {
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uint32_t startLength;
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GstBuffer *buffer = gst_buffer(vm, 10);
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gst_buffer_append_cstring(vm, buffer, name);
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gst_buffer_push(vm, buffer, '.');
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startLength = buffer->count;
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while (mod->name != NULL) {
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GstValue key;
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buffer->count = startLength;
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gst_buffer_append_cstring(vm, buffer, mod->name);
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key = gst_wrap_symbol(gst_buffer_to_string(vm, buffer));
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gst_table_put(vm, vm->registry, key, gst_wrap_cfunction(mod->data));
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gst_table_put(vm, vm->registry, gst_wrap_cfunction(mod->data), key);
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mod++;
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}
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}
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static GstValue gst_cmodule_table(Gst *vm, const GstModuleItem *mod) {
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GstTable *module = gst_table(vm, 10);
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while (mod->name != NULL) {
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GstValue key = gst_string_cvs(vm, mod->name);
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gst_table_put(vm, module, key, gst_wrap_cfunction(mod->data));
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mod++;
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}
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return gst_wrap_table(module);
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}
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static GstValue gst_cmodule_struct(Gst *vm, const GstModuleItem *mod) {
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uint32_t count = 0;
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const GstModuleItem *m = mod;
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GstValue *st;
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while (m->name != NULL) {
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++count;
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++m;
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}
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st = gst_struct_begin(vm, count);
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m = mod;
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while (m->name != NULL) {
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gst_struct_put(st,
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gst_string_cvs(vm, m->name),
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gst_wrap_cfunction(m->data));
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++m;
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}
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return gst_wrap_struct(gst_struct_end(vm, st));
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}
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void gst_module(Gst *vm, const char *packagename, const GstModuleItem *mod) {
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gst_table_put(vm, vm->modules, gst_string_cvs(vm, packagename), gst_cmodule_struct(vm, mod));
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gst_cmodule_register(vm, packagename, mod);
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}
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void gst_module_mutable(Gst *vm, const char *packagename, const GstModuleItem *mod) {
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gst_table_put(vm, vm->modules, gst_string_cvs(vm, packagename), gst_cmodule_table(vm, mod));
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gst_cmodule_register(vm, packagename, mod);
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}
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void gst_module_put(Gst *vm, const char *packagename, const char *name, GstValue v) {
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GstValue modtable = gst_table_get(vm->modules, gst_string_cvs(vm, packagename));
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if (modtable.type == GST_TABLE) {
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GstTable *table = modtable.data.table;
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if (v.type == GST_CFUNCTION) {
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GstValue key;
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GstBuffer *buffer = gst_buffer(vm, 10);
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gst_buffer_append_cstring(vm, buffer, packagename);
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gst_buffer_push(vm, buffer, '.');
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gst_buffer_append_cstring(vm, buffer, name);
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key = gst_wrap_string(gst_buffer_to_string(vm, buffer));
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gst_table_put(vm, vm->registry, key, v);
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gst_table_put(vm, vm->registry, v, key);
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}
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gst_table_put(vm, table, gst_string_cvs(vm, name), v);
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}
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}
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GstValue gst_module_get(Gst *vm, const char *packagename) {
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return gst_table_get(vm->modules, gst_string_cvs(vm, packagename));
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}
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198
core/util.c
198
core/util.c
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@ -89,7 +89,6 @@ void *gst_check_userdata(Gst *vm, uint32_t i, const GstUserType *type) {
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/* Parsing utils */
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/****/
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/* Get an integer power of 10 */
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static double exp10(int power) {
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if (power == 0) return 1;
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@ -170,92 +169,6 @@ int gst_read_real(const uint8_t *string, const uint8_t *end, double *ret, int fo
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return 1;
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}
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/****/
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/* Module utils */
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/****/
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static void gst_cmodule_register(Gst *vm, const char *name, const GstModuleItem *mod) {
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uint32_t startLength;
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GstBuffer *buffer = gst_buffer(vm, 10);
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gst_buffer_append_cstring(vm, buffer, name);
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gst_buffer_push(vm, buffer, '.');
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startLength = buffer->count;
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while (mod->name != NULL) {
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GstValue key;
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buffer->count = startLength;
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gst_buffer_append_cstring(vm, buffer, mod->name);
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key = gst_wrap_symbol(gst_buffer_to_string(vm, buffer));
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gst_table_put(vm, vm->registry, key, gst_wrap_cfunction(mod->data));
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gst_table_put(vm, vm->registry, gst_wrap_cfunction(mod->data), key);
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mod++;
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}
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}
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static GstValue gst_cmodule_table(Gst *vm, const GstModuleItem *mod) {
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GstTable *module = gst_table(vm, 10);
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while (mod->name != NULL) {
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GstValue key = gst_string_cvs(vm, mod->name);
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gst_table_put(vm, module, key, gst_wrap_cfunction(mod->data));
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mod++;
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}
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return gst_wrap_table(module);
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}
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static GstValue gst_cmodule_struct(Gst *vm, const GstModuleItem *mod) {
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uint32_t count = 0;
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const GstModuleItem *m = mod;
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GstValue *st;
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while (m->name != NULL) {
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++count;
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++m;
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}
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st = gst_struct_begin(vm, count);
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m = mod;
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while (m->name != NULL) {
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gst_struct_put(st,
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gst_string_cvs(vm, m->name),
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gst_wrap_cfunction(m->data));
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++m;
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}
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return gst_wrap_struct(gst_struct_end(vm, st));
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}
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void gst_module(Gst *vm, const char *packagename, const GstModuleItem *mod) {
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gst_table_put(vm, vm->modules, gst_string_cvs(vm, packagename), gst_cmodule_struct(vm, mod));
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gst_cmodule_register(vm, packagename, mod);
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}
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void gst_module_mutable(Gst *vm, const char *packagename, const GstModuleItem *mod) {
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gst_table_put(vm, vm->modules, gst_string_cvs(vm, packagename), gst_cmodule_table(vm, mod));
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gst_cmodule_register(vm, packagename, mod);
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}
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void gst_module_put(Gst *vm, const char *packagename, const char *name, GstValue v) {
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GstValue modtable = gst_table_get(vm->modules, gst_string_cvs(vm, packagename));
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if (modtable.type == GST_TABLE) {
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GstTable *table = modtable.data.table;
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if (v.type == GST_CFUNCTION) {
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GstValue key;
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GstBuffer *buffer = gst_buffer(vm, 10);
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gst_buffer_append_cstring(vm, buffer, packagename);
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gst_buffer_push(vm, buffer, '.');
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gst_buffer_append_cstring(vm, buffer, name);
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key = gst_wrap_string(gst_buffer_to_string(vm, buffer));
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gst_table_put(vm, vm->registry, key, v);
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gst_table_put(vm, vm->registry, v, key);
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}
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gst_table_put(vm, table, gst_string_cvs(vm, name), v);
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}
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}
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GstValue gst_module_get(Gst *vm, const char *packagename) {
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return gst_table_get(vm->modules, gst_string_cvs(vm, packagename));
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}
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/****/
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/* Misc */
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/****/
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/* Utilities for manipulating different types with the same semantics */
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/* Read both tuples and arrays as c pointers + uint32_t length. Return 1 if the
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@ -341,115 +254,4 @@ int gst_callc(Gst *vm, GstCFunction fn, int numargs, ...) {
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result = fn(vm);
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gst_thread_popframe(vm, vm->thread);
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return result;
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}
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static GstTable *gst_env_keytab(Gst *vm, GstTable *env, const char *keyword) {
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GstTable *tab;
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GstValue key = gst_string_cv(vm, keyword);
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GstValue maybeTab = gst_table_get(env, key);
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if (maybeTab.type != GST_TABLE) {
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tab = gst_table(vm, 10);
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gst_table_put(vm, env, key, gst_wrap_table(tab));
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} else {
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tab = maybeTab.data.table;
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}
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return tab;
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}
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GstTable *gst_env_nils(Gst *vm, GstTable *env) {
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return gst_env_keytab(vm, env, "nils");
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}
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GstTable *gst_env_meta(Gst *vm, GstTable *env) {
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return gst_env_keytab(vm, env, "meta");
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}
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/* Add many global variables and bind to nil */
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static void mergenils(Gst *vm, GstTable *destEnv, GstTable *nils) {
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const GstValue *data = nils->data;
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uint32_t len = nils->capacity;
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uint32_t i;
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GstTable *destNils = gst_env_nils(vm, destEnv);
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for (i = 0; i < len; i += 2) {
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if (data[i].type == GST_SYMBOL) {
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gst_table_put(vm, destEnv, data[i], gst_wrap_nil());
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gst_table_put(vm, destNils, data[i], gst_wrap_boolean(1));
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}
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}
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}
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/* Add many global variable metadata */
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static void mergemeta(Gst *vm, GstTable *destEnv, GstTable *meta) {
|
||||
const GstValue *data = meta->data;
|
||||
uint32_t len = meta->capacity;
|
||||
uint32_t i;
|
||||
GstTable *destMeta = gst_env_meta(vm, destEnv);
|
||||
for (i = 0; i < len; i += 2) {
|
||||
if (data[i].type == GST_SYMBOL) {
|
||||
gst_table_put(vm, destMeta, data[i], data[i + 1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Simple strequal between gst string ans c string, no 0s in b allowed */
|
||||
static int streq(const char *str, const uint8_t *b) {
|
||||
uint32_t len = gst_string_length(b);
|
||||
uint32_t i;
|
||||
const uint8_t *ustr = (const uint8_t *)str;
|
||||
for (i = 0; i < len; ++i) {
|
||||
if (ustr[i] != b[i])
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Add many global variables */
|
||||
void gst_env_merge(Gst *vm, GstTable *destEnv, GstTable *srcEnv) {
|
||||
const GstValue *data = srcEnv->data;
|
||||
uint32_t len = srcEnv->capacity;
|
||||
uint32_t i;
|
||||
for (i = 0; i < len; i += 2) {
|
||||
if (data[i].type == GST_SYMBOL) {
|
||||
gst_table_put(vm, destEnv, data[i], data[i + 1]);
|
||||
} else if (data[i].type == GST_STRING) {
|
||||
const uint8_t *k = data[i].data.string;
|
||||
if (streq("nils", k)) {
|
||||
if (data[i + 1].type == GST_TABLE)
|
||||
mergenils(vm, destEnv, data[i + 1].data.table);
|
||||
} else if (streq("meta", k)) {
|
||||
if (data[i + 1].type == GST_TABLE)
|
||||
mergemeta(vm, destEnv, data[i + 1].data.table);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void gst_env_put(Gst *vm, GstTable *env, GstValue key, GstValue value) {
|
||||
GstTable *meta = gst_env_meta(vm, env);
|
||||
gst_table_put(vm, meta, key, gst_wrap_nil());
|
||||
gst_table_put(vm, env, key, value);
|
||||
if (value.type == GST_NIL) {
|
||||
gst_table_put(vm, gst_env_nils(vm, env), key, gst_wrap_boolean(1));
|
||||
}
|
||||
}
|
||||
|
||||
void gst_env_putc(Gst *vm, GstTable *env, const char *key, GstValue value) {
|
||||
GstValue keyv = gst_string_cvs(vm, key);
|
||||
gst_env_put(vm, env, keyv, value);
|
||||
}
|
||||
|
||||
void gst_env_putvar(Gst *vm, GstTable *env, GstValue key, GstValue value) {
|
||||
GstTable *meta = gst_env_meta(vm, env);
|
||||
GstTable *newmeta = gst_table(vm, 4);
|
||||
GstArray *ref = gst_array(vm, 1);
|
||||
ref->count = 1;
|
||||
ref->data[0] = value;
|
||||
gst_table_put(vm, env, key, gst_wrap_array(ref));
|
||||
gst_table_put(vm, newmeta, gst_string_cv(vm, "mutable"), gst_wrap_boolean(1));
|
||||
gst_table_put(vm, meta, key, gst_wrap_table(newmeta));
|
||||
}
|
||||
|
||||
void gst_env_putvarc(Gst *vm, GstTable *env, const char *key, GstValue value) {
|
||||
GstValue keyv = gst_string_cvs(vm, key);
|
||||
gst_env_putvar(vm, env, keyv, value);
|
||||
}
|
||||
|
|
@ -2,9 +2,9 @@
|
|||
|
||||
(do (+ 1 2 3))
|
||||
|
||||
(print _ )
|
||||
(print (+ 1 2 3))
|
||||
|
||||
"Comment"
|
||||
# Comment
|
||||
(var i 0)
|
||||
(while (< i 1000)
|
||||
(print i)
|
||||
|
|
|
|||
Loading…
Reference in New Issue