struct pic_env * -> pic_value
This commit is contained in:
parent
45879deafd
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215e159598
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@ -100,8 +100,8 @@ internal_equal_p(pic_state *pic, pic_value x, pic_value y, int depth, khash_t(m)
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id1 = pic_id_ptr(pic, x);
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id2 = pic_id_ptr(pic, y);
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s1 = pic_find_identifier(pic, pic_obj_value(id1->u.id), id1->env);
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s2 = pic_find_identifier(pic, pic_obj_value(id2->u.id), id2->env);
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s1 = pic_find_identifier(pic, pic_obj_value(id1->u.id), pic_obj_value(id1->env));
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s2 = pic_find_identifier(pic, pic_obj_value(id2->u.id), pic_obj_value(id2->env));
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return pic_eq_p(pic, s1, s2);
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}
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@ -876,8 +876,7 @@ pic_value
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pic_eval(pic_state *pic, pic_value program, const char *lib)
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{
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const char *prev_lib = pic_current_library(pic);
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struct pic_env *env;
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pic_value r;
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pic_value env, r;
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env = pic_library_environment(pic, lib);
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@ -51,10 +51,8 @@ typedef struct {
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} pic_value;
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#endif
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struct pic_object;
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struct pic_port;
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struct pic_error;
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struct pic_env;
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typedef void *(*pic_allocf)(void *userdata, void *ptr, size_t n);
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@ -291,9 +289,9 @@ void pic_close_port(pic_state *, struct pic_port *port);
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pic_value pic_read(pic_state *, struct pic_port *);
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pic_value pic_read_cstr(pic_state *, const char *);
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pic_value pic_expand(pic_state *, pic_value, struct pic_env *);
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pic_value pic_expand(pic_state *, pic_value program, pic_value env);
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pic_value pic_eval(pic_state *, pic_value, const char *);
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pic_value pic_eval(pic_state *, pic_value program, const char *lib);
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void pic_load(pic_state *, struct pic_port *);
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void pic_load_cstr(pic_state *, const char *);
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@ -360,7 +358,7 @@ void pic_fprintf(pic_state *, struct pic_port *, const char *, ...);
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pic_value pic_display(pic_state *, pic_value);
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pic_value pic_fdisplay(pic_state *, pic_value, xFILE *);
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struct pic_env *pic_library_environment(pic_state *, const char *);
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pic_value pic_library_environment(pic_state *, const char *);
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#if DEBUG
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# define pic_debug(pic,obj) pic_fwrite(pic,obj,xstderr)
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@ -17,6 +17,8 @@ KHASH_DECLARE(weak, struct pic_object *, pic_value)
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unsigned char tt; \
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char gc_mark;
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struct pic_object; /* defined in gc.c */
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struct pic_basic {
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PIC_OBJECT_HEADER
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};
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@ -141,11 +143,11 @@ struct pic_checkpoint {
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#define pic_weak_ptr(pic, o) ((struct pic_weak *)pic_obj_ptr(o))
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#define pic_data_ptr(pic, o) ((struct pic_data *)pic_obj_ptr(o))
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#define pic_proc_ptr(pic, o) ((struct pic_proc *)pic_obj_ptr(o))
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#define pic_env_ptr(pic, o) ((struct pic_env *)pic_obj_ptr(o))
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#define pic_context_ptr(o) ((struct pic_context *)pic_obj_ptr(o))
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#define pic_rec_ptr(v) ((struct pic_record *)pic_obj_ptr(v))
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#define pic_error_ptr(v) ((struct pic_error *)pic_obj_ptr(v))
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#define pic_port_ptr(v) ((struct pic_port *)pic_obj_ptr(v))
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#define pic_env_ptr(v) ((struct pic_env *)pic_obj_ptr(v))
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#define pic_obj_p(pic,v) (pic_vtype(pic,v) == PIC_IVAL_END)
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#define pic_env_p(pic, v) (pic_type(pic, v) == PIC_TYPE_ENV)
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@ -168,16 +170,16 @@ struct pic_object *pic_obj_alloc(pic_state *, size_t, int type);
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if (tolen - at < e - s) pic_errorf(pic, "invalid range"); \
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} while (0)
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pic_value pic_make_identifier(pic_state *, pic_value id, struct pic_env *);
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pic_value pic_make_identifier(pic_state *, pic_value id, pic_value env);
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pic_value pic_make_proc(pic_state *, pic_func_t, int, pic_value *);
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pic_value pic_make_proc_irep(pic_state *, struct pic_irep *, struct pic_context *);
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struct pic_record *pic_make_rec(pic_state *, pic_value, pic_value);
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struct pic_error *pic_make_error(pic_state *, const char *, const char *, pic_value);
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struct pic_env *pic_make_env(pic_state *, struct pic_env *);
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pic_value pic_make_env(pic_state *, pic_value env);
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pic_value pic_add_identifier(pic_state *, pic_value id, struct pic_env *);
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pic_value pic_put_identifier(pic_state *, pic_value id, pic_value uid, struct pic_env *);
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pic_value pic_find_identifier(pic_state *, pic_value id, struct pic_env *);
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pic_value pic_add_identifier(pic_state *, pic_value id, pic_value env);
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pic_value pic_put_identifier(pic_state *, pic_value id, pic_value uid, pic_value env);
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pic_value pic_find_identifier(pic_state *, pic_value id, pic_value env);
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pic_value pic_id_name(pic_state *, pic_value id);
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void pic_rope_incref(pic_state *, struct pic_rope *);
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@ -31,23 +31,26 @@ get_library(pic_state *pic, const char *lib)
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return libp;
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}
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static struct pic_env *
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static pic_value
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make_library_env(pic_state *pic, pic_value name)
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{
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struct pic_env *env;
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pic_value e;
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env = (struct pic_env *)pic_obj_alloc(pic, sizeof(struct pic_env), PIC_TYPE_ENV);
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env->up = NULL;
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env->lib = pic_str_ptr(pic, name);
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kh_init(env, &env->map);
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/* set up default environment */
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pic_put_identifier(pic, pic->sDEFINE_LIBRARY, pic->sDEFINE_LIBRARY, env);
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pic_put_identifier(pic, pic->sIMPORT, pic->sIMPORT, env);
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pic_put_identifier(pic, pic->sEXPORT, pic->sEXPORT, env);
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pic_put_identifier(pic, pic->sCOND_EXPAND, pic->sCOND_EXPAND, env);
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e = pic_obj_value(env);
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return env;
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/* set up default environment */
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pic_put_identifier(pic, pic->sDEFINE_LIBRARY, pic->sDEFINE_LIBRARY, e);
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pic_put_identifier(pic, pic->sIMPORT, pic->sIMPORT, e);
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pic_put_identifier(pic, pic->sEXPORT, pic->sEXPORT, e);
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pic_put_identifier(pic, pic->sCOND_EXPAND, pic->sCOND_EXPAND, e);
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return e;
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}
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void
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@ -55,8 +58,7 @@ pic_make_library(pic_state *pic, const char *lib)
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{
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khash_t(ltable) *h = &pic->ltable;
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const char *old_lib;
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struct pic_env *env;
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pic_value name, exports;
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pic_value name, env, exports;
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khiter_t it;
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int ret;
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@ -74,7 +76,7 @@ pic_make_library(pic_state *pic, const char *lib)
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}
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kh_val(h, it).name = pic_str_ptr(pic, name);
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kh_val(h, it).env = env;
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kh_val(h, it).env = pic_env_ptr(pic, env);
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kh_val(h, it).exports = pic_dict_ptr(pic, exports);
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if (pic->lib) {
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@ -100,10 +102,10 @@ pic_current_library(pic_state *pic)
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return pic_str(pic, pic_obj_value(pic->lib->name));
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}
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struct pic_env *
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pic_value
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pic_library_environment(pic_state *pic, const char *lib)
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{
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return get_library(pic, lib)->env;
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return pic_obj_value(get_library(pic, lib)->env);
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}
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void
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@ -116,11 +118,11 @@ pic_import(pic_state *pic, const char *lib)
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libp = get_library(pic, lib);
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while (pic_dict_next(pic, pic_obj_value(libp->exports), &it, &name, &realname)) {
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uid = pic_find_identifier(pic, realname, libp->env);
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uid = pic_find_identifier(pic, realname, pic_obj_value(libp->env));
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if (! pic_weak_has(pic, pic->globals, uid) && ! pic_weak_has(pic, pic->macros, uid)) {
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pic_errorf(pic, "attempted to export undefined variable '~s'", realname);
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}
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pic_put_identifier(pic, name, uid, pic->lib->env);
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pic_put_identifier(pic, name, uid, pic_obj_value(pic->lib->env));
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}
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}
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@ -192,12 +194,12 @@ pic_lib_library_import(pic_state *pic)
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realname = pic_dict_ref(pic, pic_obj_value(libp->exports), name);
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}
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uid = pic_find_identifier(pic, realname, libp->env);
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uid = pic_find_identifier(pic, realname, pic_obj_value(libp->env));
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if (! pic_weak_has(pic, pic->globals, uid) && ! pic_weak_has(pic, pic->macros, uid)) {
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pic_errorf(pic, "attempted to export undefined variable '~s'", realname);
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}
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pic_put_identifier(pic, alias, uid, pic->lib->env);
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pic_put_identifier(pic, alias, uid, pic_obj_value(pic->lib->env));
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return pic_undef_value(pic);
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}
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@ -7,30 +7,29 @@
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KHASH_DEFINE(env, pic_id *, pic_sym *, kh_ptr_hash_func, kh_ptr_hash_equal)
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struct pic_env *
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pic_make_env(pic_state *pic, struct pic_env *up)
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pic_value
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pic_make_env(pic_state *pic, pic_value up)
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{
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struct pic_env *env;
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assert(up != NULL);
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env = (struct pic_env *)pic_obj_alloc(pic, sizeof(struct pic_env), PIC_TYPE_ENV);
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env->up = up;
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env->up = pic_env_ptr(pic, up);
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env->lib = NULL;
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kh_init(env, &env->map);
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return env;
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return pic_obj_value(env);
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}
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pic_value
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pic_add_identifier(pic_state *pic, pic_value id, struct pic_env *env)
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pic_add_identifier(pic_state *pic, pic_value id, pic_value env)
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{
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const char *name;
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pic_value uid, str;
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name = pic_str(pic, pic_id_name(pic, id));
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if (env->up == NULL && pic_sym_p(pic, id)) { /* toplevel & public */
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str = pic_strf_value(pic, "%s/%s", pic_str(pic, pic_obj_value(env->lib)), name);
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if (pic_env_ptr(pic, env)->up == NULL && pic_sym_p(pic, id)) { /* toplevel & public */
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str = pic_strf_value(pic, "~a/%s", pic_obj_value(pic_env_ptr(pic, env)->lib), name);
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} else {
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str = pic_strf_value(pic, ".%s.%d", name, pic->ucnt++);
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}
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@ -40,55 +39,63 @@ pic_add_identifier(pic_state *pic, pic_value id, struct pic_env *env)
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}
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pic_value
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pic_put_identifier(pic_state *pic, pic_value id, pic_value uid, struct pic_env *env)
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pic_put_identifier(pic_state *pic, pic_value id, pic_value uid, pic_value env)
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{
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khiter_t it;
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int ret;
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it = kh_put(env, &env->map, pic_id_ptr(pic, id), &ret);
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kh_val(&env->map, it) = pic_sym_ptr(pic, uid);
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it = kh_put(env, &pic_env_ptr(pic, env)->map, pic_id_ptr(pic, id), &ret);
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kh_val(&pic_env_ptr(pic, env)->map, it) = pic_sym_ptr(pic, uid);
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return uid;
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}
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static bool
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search_scope(pic_state *pic, pic_value id, struct pic_env *env, pic_value *uid)
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search_scope(pic_state *pic, pic_value id, pic_value env, pic_value *uid)
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{
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khiter_t it;
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it = kh_get(env, &env->map, pic_id_ptr(pic, id));
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if (it == kh_end(&env->map)) {
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it = kh_get(env, &pic_env_ptr(pic, env)->map, pic_id_ptr(pic, id));
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if (it == kh_end(&pic_env_ptr(pic, env)->map)) {
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return false;
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}
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*uid = pic_obj_value(kh_val(&env->map, it));
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*uid = pic_obj_value(kh_val(&pic_env_ptr(pic, env)->map, it));
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return true;
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}
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static bool
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search(pic_state *pic, pic_value id, struct pic_env *env, pic_value *uid)
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search(pic_state *pic, pic_value id, pic_value env, pic_value *uid)
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{
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while (env != NULL) {
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if (search_scope(pic, id, env, uid)) {
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struct pic_env *e;
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while (1) {
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if (search_scope(pic, id, env, uid))
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return true;
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}
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env = env->up;
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e = pic_env_ptr(pic, env)->up;
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if (e == NULL)
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break;
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env = pic_obj_value(e);
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}
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return false;
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}
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pic_value
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pic_find_identifier(pic_state *pic, pic_value id, struct pic_env *env)
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pic_find_identifier(pic_state *pic, pic_value id, pic_value env)
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{
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struct pic_env *e;
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pic_value uid;
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while (! search(pic, id, env, &uid)) {
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if (pic_sym_p(pic, id)) {
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while (env->up != NULL) {
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env = env->up;
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while (1) {
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e = pic_env_ptr(pic, env);
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if (e->up == NULL)
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break;
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env = pic_obj_value(e->up);
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}
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return pic_add_identifier(pic, id, env);
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}
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env = pic_id_ptr(pic, id)->env; /* do not overwrite id first */
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env = pic_obj_value(pic_id_ptr(pic, id)->env); /* do not overwrite id first */
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id = pic_obj_value(pic_id_ptr(pic, id)->u.id);
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}
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return uid;
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@ -127,18 +134,18 @@ shadow_macro(pic_state *pic, pic_value uid)
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}
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}
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static pic_value expand(pic_state *, pic_value, struct pic_env *, pic_value);
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static pic_value expand_lambda(pic_state *, pic_value, struct pic_env *);
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static pic_value expand(pic_state *, pic_value expr, pic_value env, pic_value deferred);
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static pic_value expand_lambda(pic_state *, pic_value expr, pic_value env);
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static pic_value
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expand_var(pic_state *pic, pic_value id, struct pic_env *env, pic_value deferred)
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expand_var(pic_state *pic, pic_value id, pic_value env, pic_value deferred)
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{
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pic_value mac, functor;
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functor = pic_find_identifier(pic, id, env);
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if (find_macro(pic, functor, &mac)) {
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return expand(pic, pic_call(pic, mac, 2, id, pic_obj_value(env)), env, deferred);
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return expand(pic, pic_call(pic, mac, 2, id, env), env, deferred);
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}
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return functor;
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}
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@ -150,7 +157,7 @@ expand_quote(pic_state *pic, pic_value expr)
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}
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static pic_value
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expand_list(pic_state *pic, pic_value obj, struct pic_env *env, pic_value deferred)
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expand_list(pic_state *pic, pic_value obj, pic_value env, pic_value deferred)
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{
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size_t ai = pic_enter(pic);
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pic_value x, head, tail;
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@ -179,7 +186,7 @@ expand_defer(pic_state *pic, pic_value expr, pic_value deferred)
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}
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static void
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expand_deferred(pic_state *pic, pic_value deferred, struct pic_env *env)
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expand_deferred(pic_state *pic, pic_value deferred, pic_value env)
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{
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pic_value defer, val, src, dst, it;
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@ -198,10 +205,10 @@ expand_deferred(pic_state *pic, pic_value deferred, struct pic_env *env)
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}
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static pic_value
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expand_lambda(pic_state *pic, pic_value expr, struct pic_env *env)
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expand_lambda(pic_state *pic, pic_value expr, pic_value env)
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{
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pic_value formal, body;
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struct pic_env *in;
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pic_value in;
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pic_value a, deferred;
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in = pic_make_env(pic, env);
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@ -224,7 +231,7 @@ expand_lambda(pic_state *pic, pic_value expr, struct pic_env *env)
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}
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static pic_value
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expand_define(pic_state *pic, pic_value expr, struct pic_env *env, pic_value deferred)
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expand_define(pic_state *pic, pic_value expr, pic_value env, pic_value deferred)
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{
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pic_value id, uid, val;
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@ -240,7 +247,7 @@ expand_define(pic_state *pic, pic_value expr, struct pic_env *env, pic_value def
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}
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static pic_value
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expand_defmacro(pic_state *pic, pic_value expr, struct pic_env *env)
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expand_defmacro(pic_state *pic, pic_value expr, pic_value env)
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{
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pic_value pic_compile(pic_state *, pic_value);
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pic_value id, uid, val;
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@ -261,7 +268,7 @@ expand_defmacro(pic_state *pic, pic_value expr, struct pic_env *env)
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}
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static pic_value
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expand_node(pic_state *pic, pic_value expr, struct pic_env *env, pic_value deferred)
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expand_node(pic_state *pic, pic_value expr, pic_value env, pic_value deferred)
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{
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switch (pic_type(pic, expr)) {
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case PIC_TYPE_ID:
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@ -294,7 +301,7 @@ expand_node(pic_state *pic, pic_value expr, struct pic_env *env, pic_value defer
|
|||
}
|
||||
|
||||
if (find_macro(pic, functor, &mac)) {
|
||||
return expand(pic, pic_call(pic, mac, 2, expr, pic_obj_value(env)), env, deferred);
|
||||
return expand(pic, pic_call(pic, mac, 2, expr, env), env, deferred);
|
||||
}
|
||||
}
|
||||
return expand_list(pic, expr, env, deferred);
|
||||
|
@ -305,7 +312,7 @@ expand_node(pic_state *pic, pic_value expr, struct pic_env *env, pic_value defer
|
|||
}
|
||||
|
||||
static pic_value
|
||||
expand(pic_state *pic, pic_value expr, struct pic_env *env, pic_value deferred)
|
||||
expand(pic_state *pic, pic_value expr, pic_value env, pic_value deferred)
|
||||
{
|
||||
size_t ai = pic_enter(pic);
|
||||
pic_value v;
|
||||
|
@ -318,7 +325,7 @@ expand(pic_state *pic, pic_value expr, struct pic_env *env, pic_value deferred)
|
|||
}
|
||||
|
||||
pic_value
|
||||
pic_expand(pic_state *pic, pic_value expr, struct pic_env *env)
|
||||
pic_expand(pic_state *pic, pic_value expr, pic_value env)
|
||||
{
|
||||
pic_value v, deferred;
|
||||
|
||||
|
|
|
@ -890,8 +890,7 @@ pic_defvar(pic_state *pic, const char *name, pic_value init, pic_value conv)
|
|||
void
|
||||
pic_define(pic_state *pic, const char *lib, const char *name, pic_value val)
|
||||
{
|
||||
pic_value sym, uid;
|
||||
struct pic_env *env;
|
||||
pic_value sym, uid, env;
|
||||
|
||||
sym = pic_intern_cstr(pic, name);
|
||||
|
||||
|
@ -907,8 +906,7 @@ pic_define(pic_state *pic, const char *lib, const char *name, pic_value val)
|
|||
pic_value
|
||||
pic_ref(pic_state *pic, const char *lib, const char *name)
|
||||
{
|
||||
pic_value sym, uid;
|
||||
struct pic_env *env;
|
||||
pic_value sym, uid, env;
|
||||
|
||||
sym = pic_intern_cstr(pic, name);
|
||||
|
||||
|
@ -925,8 +923,7 @@ pic_ref(pic_state *pic, const char *lib, const char *name)
|
|||
void
|
||||
pic_set(pic_state *pic, const char *lib, const char *name, pic_value val)
|
||||
{
|
||||
pic_value sym, uid;
|
||||
struct pic_env *env;
|
||||
pic_value sym, uid, env;
|
||||
|
||||
sym = pic_intern_cstr(pic, name);
|
||||
|
||||
|
|
|
@ -77,17 +77,17 @@ pic_features(pic_state *pic)
|
|||
return pic->features;
|
||||
}
|
||||
|
||||
#define import_builtin_syntax(name) do { \
|
||||
pic_value nick, real; \
|
||||
nick = pic_intern_lit(pic, "builtin:" name); \
|
||||
real = pic_intern_lit(pic, name); \
|
||||
pic_put_identifier(pic, nick, real, pic->lib->env); \
|
||||
#define import_builtin_syntax(name) do { \
|
||||
pic_value nick, real; \
|
||||
nick = pic_intern_lit(pic, "builtin:" name); \
|
||||
real = pic_intern_lit(pic, name); \
|
||||
pic_put_identifier(pic, nick, real, pic_obj_value(pic->lib->env)); \
|
||||
} while (0)
|
||||
|
||||
#define declare_vm_procedure(name) do { \
|
||||
pic_value sym; \
|
||||
sym = pic_intern_lit(pic, name); \
|
||||
pic_put_identifier(pic, sym, sym, pic->lib->env); \
|
||||
#define declare_vm_procedure(name) do { \
|
||||
pic_value sym; \
|
||||
sym = pic_intern_lit(pic, name); \
|
||||
pic_put_identifier(pic, sym, sym, pic_obj_value(pic->lib->env)); \
|
||||
} while (0)
|
||||
|
||||
void pic_init_bool(pic_state *);
|
||||
|
|
|
@ -35,13 +35,13 @@ pic_intern(pic_state *pic, pic_value str)
|
|||
}
|
||||
|
||||
pic_value
|
||||
pic_make_identifier(pic_state *pic, pic_value base, struct pic_env *env)
|
||||
pic_make_identifier(pic_state *pic, pic_value base, pic_value env)
|
||||
{
|
||||
pic_id *id;
|
||||
|
||||
id = (pic_id *)pic_obj_alloc(pic, sizeof(pic_id), PIC_TYPE_ID);
|
||||
id->u.id = pic_id_ptr(pic, base);
|
||||
id->env = env;
|
||||
id->env = pic_env_ptr(pic, env);
|
||||
|
||||
return pic_obj_value(id);
|
||||
}
|
||||
|
@ -131,7 +131,7 @@ pic_symbol_make_identifier(pic_state *pic)
|
|||
pic_assert_type(pic, id, id);
|
||||
pic_assert_type(pic, env, env);
|
||||
|
||||
return pic_make_identifier(pic, id, pic_env_ptr(env));
|
||||
return pic_make_identifier(pic, id, env);
|
||||
}
|
||||
|
||||
static pic_value
|
||||
|
|
Loading…
Reference in New Issue