/** * Copyright (c) 2012-2013 Yuichi Nishiwaki and other picrin contributors. * * 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 PICRIN_H__ #define PICRIN_H__ #if defined(__cplusplus) extern "C" { #endif #include #include #include #include #if __STDC_VERSION__ >= 201112L # define NORETURN _Noreturn #elif __GNUC__ || __clang__ # define NORETURN __attribute__((noreturn)) #endif #define FALLTHROUGH ((void)0) #define UNUSED(v) ((void)(v)) #define GENSYM2__(x,y) x##y #define GENSYM1__(x,y) GENSYM2__(x,y) #if defined(__COUNTER__) # define GENSYM(x) GENSYM1__(x,__COUNTER__) #else # define GENSYM(x) GENSYM1__(x,__LINE__) #endif #include "config.h" #include "picrin/value.h" struct pic_code; typedef struct { int argc; struct pic_code *pc; pic_value *fp; struct pic_env *env; } pic_callinfo; struct pic_block { struct pic_block *prev; int depth; struct pic_proc *in, *out; unsigned refcnt; }; typedef struct { int argc; char **argv, **envp; struct pic_block *blk; pic_value *sp; pic_value *stbase, *stend; pic_callinfo *ci; pic_callinfo *cibase, *ciend; struct pic_proc **rescue; size_t ridx, rlen; pic_sym sDEFINE, sLAMBDA, sIF, sBEGIN, sQUOTE, sSETBANG; pic_sym sQUASIQUOTE, sUNQUOTE, sUNQUOTE_SPLICING; pic_sym sDEFINE_SYNTAX, sDEFINE_MACRO; pic_sym sDEFINE_LIBRARY, sIMPORT, sEXPORT; pic_sym sCONS, sCAR, sCDR, sNILP; pic_sym sADD, sSUB, sMUL, sDIV, sMINUS; pic_sym sEQ, sLT, sLE, sGT, sGE; struct xhash *sym_tbl; const char **sym_pool; size_t slen, scapa; int uniq_sym_count; struct xhash *global_tbl; pic_value *globals; size_t glen, gcapa; pic_value lib_tbl; struct pic_lib *lib; jmp_buf *jmp; const char *errmsg; struct pic_heap *heap; struct pic_object *arena[PIC_ARENA_SIZE]; int arena_idx; pic_value *native_stack_start; } pic_state; typedef pic_value (*pic_func_t)(pic_state *); enum pic_parser_res { PIC_PARSER_INCOMPLETE = -1, PIC_PARSER_ERROR = -2 /* if parser is successfully done, return the number of exprs (>= 0) */ }; void *pic_alloc(pic_state *, size_t); void *pic_realloc(pic_state *, void *, size_t); void *pic_calloc(pic_state *, size_t, size_t); struct pic_object *pic_obj_alloc(pic_state *, size_t, enum pic_tt); struct pic_object *pic_obj_alloc_unsafe(pic_state *, size_t, enum pic_tt); void pic_free(pic_state *, void *); void pic_gc_run(pic_state *); void pic_gc_protect(pic_state *, pic_value); int pic_gc_arena_preserve(pic_state *); void pic_gc_arena_restore(pic_state *, int); pic_state *pic_open(int argc, char *argv[], char **envp); void pic_close(pic_state *); void pic_define(pic_state *, const char *, pic_value); /* symbol is automatically exported */ pic_value pic_ref(pic_state *, const char *); void pic_set(pic_state *, const char *, pic_value); struct pic_proc *pic_get_proc(pic_state *); int pic_get_args(pic_state *, const char *, ...); void pic_defun(pic_state *, const char *, pic_func_t); void pic_defmacro(pic_state *, const char *, struct pic_proc *); void pic_defvar(pic_state *, const char *, pic_value); bool pic_equal_p(pic_state *, pic_value, pic_value); pic_sym pic_intern_cstr(pic_state *, const char *); const char *pic_symbol_name(pic_state *, pic_sym); pic_sym pic_gensym(pic_state *, pic_sym); bool pic_interned_p(pic_state *, pic_sym); char *pic_strdup(pic_state *pic, const char *s); char *pic_strndup(pic_state *pic, const char *s, size_t n); struct pic_string *pic_str_new(pic_state *, const char *, size_t); struct pic_string *pic_str_new_cstr(pic_state *, const char *); struct pic_vector *pic_vec_new(pic_state *, size_t); struct pic_vector *pic_vec_new_from_list(pic_state *, pic_value); void pic_vec_extend_ip(pic_state *, struct pic_vector *, size_t); int pic_parse_file(pic_state *, FILE *file, pic_value *); int pic_parse_cstr(pic_state *, const char *, pic_value *); pic_value pic_parse(pic_state *, const char *); pic_value pic_load(pic_state *, const char *); pic_value pic_apply(pic_state *pic, struct pic_proc *, pic_value); pic_value pic_apply_argv(pic_state *pic, struct pic_proc *, size_t, ...); struct pic_proc *pic_compile(pic_state *, pic_value); pic_value pic_macroexpand(pic_state *, pic_value); void pic_in_library(pic_state *, pic_value); struct pic_lib *pic_make_library(pic_state *, pic_value); struct pic_lib *pic_find_library(pic_state *, pic_value); #define PIC_DEFLIBRARY_HELPER2(tmp1, tmp2, tmp3, spec) \ for (struct pic_lib *tmp1 = pic->lib, \ *tmp2 = (pic_make_library(pic, pic_parse(pic, spec)), \ pic_in_library(pic, pic_parse(pic, spec)), \ NULL); \ tmp3 < 1; \ (pic->lib = tmp1), ((void)tmp2), ++tmp3) #define PIC_DEFLIBRARY_HELPER1(tmp1, tmp2, spec) \ for (int tmp1 = 0, tmp2 = 0; tmp1 < 1; ++tmp1) \ PIC_DEFLIBRARY_HELPER2(GENSYM(pic_deflib_tmp3__), \ GENSYM(pic_deflib_tmp4__), \ tmp2, spec) #define pic_deflibrary(spec) \ PIC_DEFLIBRARY_HELPER1(GENSYM(pic_deflib_tmp1__), GENSYM(pic_deflib_tmp2__), spec) void pic_import(pic_state *, pic_value); void pic_export(pic_state *, pic_sym); NORETURN void pic_abort(pic_state *, const char *); NORETURN void pic_raise(pic_state *, pic_value); NORETURN void pic_error(pic_state *, const char *); NORETURN void pic_errorf(pic_state *, const char *, size_t, ...); void pic_warn(pic_state *, const char *); void pic_debug(pic_state *, pic_value); #if defined(__cplusplus) } #endif #endif