130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
#ifndef PICRIN_H__
|
|
#define PICRIN_H__
|
|
|
|
#include <stddef.h>
|
|
#include <stdbool.h>
|
|
#include <setjmp.h>
|
|
#include <stdio.h>
|
|
|
|
#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 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;
|
|
int uniq_sym_count;
|
|
|
|
/* 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 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 *, unsigned, 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_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);
|
|
|
|
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 *, int);
|
|
|
|
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_macroexpand(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_errorf(pic_state *, const char *, size_t, ...);
|
|
void pic_warn(pic_state *, const char *);
|
|
|
|
void pic_debug(pic_state *, pic_value);
|
|
|
|
#endif
|