picrin/include/picrin.h

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C
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#ifndef PICRIN_H__
#define PICRIN_H__
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#include <stddef.h>
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#include <stdbool.h>
#include <setjmp.h>
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#include <stdio.h>
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#include "config.h"
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#include "picrin/value.h"
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struct pic_code;
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typedef struct {
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int argc;
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struct pic_code *pc;
pic_value *fp;
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struct pic_env *env;
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} pic_callinfo;
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struct pic_block {
struct pic_block *prev;
int depth;
struct pic_proc *in, *out;
unsigned refcnt;
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};
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typedef struct {
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int argc;
char **argv, **envp;
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struct pic_block *blk;
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pic_value *sp;
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pic_value *stbase, *stend;
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pic_callinfo *ci;
pic_callinfo *cibase, *ciend;
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struct pic_proc **rescue;
size_t ridx, rlen;
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pic_sym sDEFINE, sLAMBDA, sIF, sBEGIN, sQUOTE, sSETBANG;
pic_sym sQUASIQUOTE, sUNQUOTE, sUNQUOTE_SPLICING;
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pic_sym sDEFINE_SYNTAX, sDEFINE_MACRO;
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pic_sym sDEFINE_LIBRARY, sIMPORT, sEXPORT;
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pic_sym sCONS, sCAR, sCDR, sNILP;
pic_sym sADD, sSUB, sMUL, sDIV;
pic_sym sEQ, sLT, sLE, sGT, sGE;
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struct xhash *sym_tbl;
const char **sym_pool;
size_t slen, scapa;
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int uniq_sym_count;
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struct xhash *global_tbl;
pic_value *globals;
size_t glen, gcapa;
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pic_value lib_tbl;
struct pic_lib *lib;
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struct pic_irep **irep;
size_t ilen, icapa;
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pic_value *pool;
size_t plen, pcapa;
jmp_buf *jmp;
const char *errmsg;
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struct pic_heap *heap;
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struct pic_object *arena[PIC_ARENA_SIZE];
int arena_idx;
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pic_value *native_stack_start;
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} pic_state;
typedef pic_value (*pic_func_t)(pic_state *);
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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);
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void *pic_realloc(pic_state *, void *, size_t);
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void *pic_calloc(pic_state *, size_t, size_t);
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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_protect(pic_state *, pic_value);
int pic_gc_arena_preserve(pic_state *);
void pic_gc_arena_restore(pic_state *, int);
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pic_state *pic_open(int argc, char *argv[], char **envp);
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void pic_close(pic_state *);
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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);
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void pic_defmacro(pic_state *, const char *, struct pic_proc *);
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bool pic_equal_p(pic_state *, pic_value, pic_value);
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pic_sym pic_intern_cstr(pic_state *, const char *);
const char *pic_symbol_name(pic_state *, pic_sym);
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struct pic_string *pic_str_new(pic_state *, const char *, size_t);
struct pic_string *pic_str_new_cstr(pic_state *, const char *);
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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 *, int);
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int pic_parse_file(pic_state *, FILE *file, pic_value *);
int pic_parse_cstr(pic_state *, const char *, pic_value *);
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pic_value pic_parse(pic_state *, const char *);
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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_codegen(pic_state *, pic_value);
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pic_value pic_macroexpand(pic_state *, pic_value);
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void pic_in_library(pic_state *, pic_value);
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struct pic_lib *pic_make_library(pic_state *, pic_value);
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struct pic_lib *pic_find_library(pic_state *, pic_value);
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#define DEFLIBRARY(pic,name) \
{ \
struct pic_lib *lib__ = pic->lib; \
pic_make_library(pic, pic_parse(pic, name)); \
pic_in_library(pic, pic_parse(pic, name));
#define ENDLIBRARY(pic) \
pic->lib = lib__; \
}
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void pic_export(pic_state *, pic_sym);
void pic_abort(pic_state *, const char *);
void pic_raise(pic_state *, pic_value);
void pic_error(pic_state *, const char *);
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void pic_errorf(pic_state *, const char *, size_t, ...);
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void pic_warn(pic_state *, const char *);
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void pic_debug(pic_state *, pic_value);
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#endif