picrin/include/picrin.h

123 lines
3.0 KiB
C

#ifndef PICRIN_H__
#define PICRIN_H__
#include <stddef.h>
#include <stdbool.h>
#include <setjmp.h>
#include <stdio.h>
#include "picconf.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;
pic_sym sDEFINE, sLAMBDA, sIF, sBEGIN, sQUOTE, sSETBANG;
pic_sym sQUASIQUOTE, sUNQUOTE, sUNQUOTE_SPLICING;
pic_sym sDEFINE_SYNTAX, sDEFINE_MACRO;
pic_sym sCONS, sCAR, sCDR, sNILP;
pic_sym sADD, sSUB, sMUL, sDIV;
pic_sym sEQ, sLT, sLE, sGT, sGE;
struct xhash *sym_tbl;
const char **sym_pool;
size_t slen, scapa;
/* positive for variables, negative for macros (bitwise-not) */
struct xhash *global_tbl;
pic_value *globals;
size_t glen, gcapa;
struct pic_proc **macros;
size_t mlen, mcapa;
struct pic_irep **irep;
size_t ilen, icapa;
pic_value *pool;
size_t plen, pcapa;
jmp_buf *jmp;
const char *errmsg;
struct heap_page *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 *, unsigned, size_t);
struct pic_object *pic_obj_alloc(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);
pic_state *pic_open(int argc, char *argv[], char **envp);
void pic_close(pic_state *);
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);
pic_sym pic_intern_cstr(pic_state *, const char *);
const char *pic_symbol_name(pic_state *, pic_sym);
pic_value pic_str_new(pic_state *, const char *, size_t);
pic_value 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);
int pic_parse_file(pic_state *, FILE *file, pic_value *);
int pic_parse_cstr(pic_state *, const char *, pic_value *);
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);
pic_value pic_expand(pic_state *, pic_value);
void pic_abort(pic_state *, const char *);
void pic_raise(pic_state *, pic_value);
void pic_error(pic_state *, const char *);
void pic_warn(pic_state *, const char *);
void pic_debug(pic_state *, pic_value);
#endif