300 lines
12 KiB
C
300 lines
12 KiB
C
/**
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* Copyright (c) 2013-2017 Picrin developers.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef PICRIN_H
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#define PICRIN_H
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#include <stddef.h>
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#include <limits.h>
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#include <stdarg.h>
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#include "picrin/setup.h"
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typedef struct pic_state pic_state;
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#if PIC_NAN_BOXING
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# include <stdint.h>
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typedef uint64_t pic_value;
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#else
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typedef struct {
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unsigned char type;
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union {
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void *data;
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double f;
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int i;
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char c;
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} u;
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} pic_value;
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#endif
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typedef void *(*pic_allocf)(void *userdata, void *ptr, size_t n);
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pic_state *pic_open(pic_allocf f, void *userdata);
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void pic_close(pic_state *);
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void pic_add_feature(pic_state *, const char *feature);
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void *pic_malloc(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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void pic_free(pic_state *, void *);
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typedef pic_value (*pic_func_t)(pic_state *);
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void *pic_alloca(pic_state *, size_t);
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size_t pic_enter(pic_state *);
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void pic_leave(pic_state *, size_t);
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pic_value pic_protect(pic_state *, pic_value);
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void pic_gc(pic_state *);
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int pic_get_args(pic_state *, const char *fmt, ...);
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void pic_defun(pic_state *, const char *name, pic_func_t f);
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void pic_defvar(pic_state *, const char *name, pic_value v, pic_value conv);
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void pic_define(pic_state *, const char *lib, const char *name, pic_value v);
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pic_value pic_ref(pic_state *, const char *lib, const char *name);
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void pic_set(pic_state *, const char *lib, const char *name, pic_value v);
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pic_value pic_closure_ref(pic_state *, int i);
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void pic_closure_set(pic_state *, int i, pic_value v);
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pic_value pic_funcall(pic_state *, const char *lib, const char *name, int n, ...);
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pic_value pic_make_var(pic_state *, pic_value init, pic_value conv);
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pic_value pic_return(pic_state *, int n, ...);
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pic_value pic_vreturn(pic_state *, int n, va_list);
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pic_value pic_valuesk(pic_state *, int n, pic_value *retv);
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int pic_receive(pic_state *, int n, pic_value *retv);
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void pic_make_library(pic_state *, const char *lib);
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void pic_in_library(pic_state *, const char *lib);
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bool pic_find_library(pic_state *, const char *lib);
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const char *pic_current_library(pic_state *);
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void pic_import(pic_state *, const char *lib);
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void pic_export(pic_state *, pic_value sym);
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typedef void (*pic_panicf)(pic_state *, const char *msg);
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pic_panicf pic_atpanic(pic_state *, pic_panicf f);
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PIC_NORETURN void pic_panic(pic_state *, const char *msg);
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PIC_NORETURN void pic_error(pic_state *, const char *msg, int n, ...);
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PIC_NORETURN void pic_raise(pic_state *, pic_value v);
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pic_value pic_make_error(pic_state *, const char *type, const char *msg, pic_value irrs);
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pic_value pic_lambda(pic_state *, pic_func_t f, int n, ...);
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pic_value pic_vlambda(pic_state *, pic_func_t f, int n, va_list);
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pic_value pic_call(pic_state *, pic_value proc, int, ...);
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pic_value pic_vcall(pic_state *, pic_value proc, int, va_list);
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pic_value pic_apply(pic_state *, pic_value proc, int n, pic_value *argv);
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pic_value pic_applyk(pic_state *, pic_value proc, int n, pic_value *argv);
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int pic_int(pic_state *, pic_value i);
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double pic_float(pic_state *, pic_value f);
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char pic_char(pic_state *, pic_value c);
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#define pic_bool(pic,b) (! pic_false_p(pic, b))
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const char *pic_str(pic_state *, pic_value str);
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#define pic_sym(pic,s) (pic_str(pic, pic_sym_name(pic, (s))))
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unsigned char *pic_blob(pic_state *, pic_value blob, int *len);
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void *pic_data(pic_state *, pic_value data);
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typedef struct {
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const char *type_name;
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void (*dtor)(pic_state *, void *);
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void (*mark)(pic_state *, void *, void (*)(pic_state *, pic_value));
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} pic_data_type;
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pic_value pic_invalid_value(pic_state *);
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pic_value pic_undef_value(pic_state *);
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pic_value pic_int_value(pic_state *, int);
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pic_value pic_float_value(pic_state *, double);
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pic_value pic_char_value(pic_state *, char);
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pic_value pic_true_value(pic_state *);
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pic_value pic_false_value(pic_state *);
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#define pic_bool_value(pic, b) ((b) ? pic_true_value(pic) : pic_false_value(pic))
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pic_value pic_eof_object(pic_state *);
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pic_value pic_str_value(pic_state *, const char *str, int len);
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#define pic_cstr_value(pic, cstr) pic_str_value(pic, (cstr), strlen(cstr))
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#define pic_lit_value(pic, lit) pic_str_value(pic, "" lit, -((int)sizeof lit - 1))
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pic_value pic_strf_value(pic_state *, const char *fmt, ...);
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pic_value pic_vstrf_value(pic_state *, const char *fmt, va_list ap);
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pic_value pic_blob_value(pic_state *, const unsigned char *buf, int len);
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pic_value pic_data_value(pic_state *, void *ptr, const pic_data_type *type);
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enum {
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PIC_TYPE_INVALID = 1,
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PIC_TYPE_FLOAT = 2,
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PIC_TYPE_INT = 3,
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PIC_TYPE_CHAR = 4,
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PIC_TYPE_EOF = 5,
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PIC_TYPE_UNDEF = 6,
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PIC_TYPE_TRUE = 8,
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PIC_TYPE_NIL = 7,
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PIC_TYPE_FALSE = 9,
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PIC_IVAL_END = 10,
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/* -------------------- */
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PIC_TYPE_STRING = 16,
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PIC_TYPE_VECTOR = 17,
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PIC_TYPE_BLOB = 18,
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PIC_TYPE_PORT = 20,
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PIC_TYPE_ERROR = 21,
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PIC_TYPE_ID = 22,
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PIC_TYPE_ENV = 23,
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PIC_TYPE_DATA = 24,
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PIC_TYPE_DICT = 25,
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PIC_TYPE_WEAK = 26,
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PIC_TYPE_RECORD = 27,
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PIC_TYPE_SYMBOL = 28,
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PIC_TYPE_PAIR = 29,
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PIC_TYPE_CXT = 30,
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PIC_TYPE_CP = 31,
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PIC_TYPE_FUNC = 32,
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PIC_TYPE_IREP = 33
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};
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#define pic_invalid_p(pic,v) (pic_type(pic,v) == PIC_TYPE_INVALID)
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#define pic_undef_p(pic,v) (pic_type(pic,v) == PIC_TYPE_UNDEF)
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#define pic_int_p(pic,v) (pic_type(pic,v) == PIC_TYPE_INT)
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#define pic_float_p(pic,v) (pic_type(pic,v) == PIC_TYPE_FLOAT)
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#define pic_char_p(pic,v) (pic_type(pic,v) == PIC_TYPE_CHAR)
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#define pic_eof_p(pic, v) (pic_type(pic, v) == PIC_TYPE_EOF)
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#define pic_true_p(pic,v) (pic_type(pic,v) == PIC_TYPE_TRUE)
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#define pic_false_p(pic,v) (pic_type(pic,v) == PIC_TYPE_FALSE)
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#define pic_id_p(pic, v) (pic_type(pic, v) == PIC_TYPE_ID || pic_type(pic, v) == PIC_TYPE_SYMBOL)
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#define pic_str_p(pic,v) (pic_type(pic,v) == PIC_TYPE_STRING)
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#define pic_blob_p(pic,v) (pic_type(pic,v) == PIC_TYPE_BLOB)
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#define pic_proc_p(pic,v) (pic_type(pic,v) == PIC_TYPE_FUNC || pic_type(pic, v) == PIC_TYPE_IREP)
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#define pic_nil_p(pic,v) (pic_type(pic,v) == PIC_TYPE_NIL)
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#define pic_pair_p(pic,v) (pic_type(pic,v) == PIC_TYPE_PAIR)
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#define pic_vec_p(pic,v) (pic_type(pic,v) == PIC_TYPE_VECTOR)
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#define pic_dict_p(pic,v) (pic_type(pic,v) == PIC_TYPE_DICT)
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#define pic_weak_p(pic,v) (pic_type(pic,v) == PIC_TYPE_WEAK)
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#define pic_port_p(pic, v) (pic_type(pic, v) == PIC_TYPE_PORT)
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#define pic_sym_p(pic,v) (pic_type(pic,v) == PIC_TYPE_SYMBOL)
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bool pic_data_p(pic_state *, pic_value, const pic_data_type *);
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int pic_type(pic_state *, pic_value);
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const char *pic_typename(pic_state *, int);
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bool pic_eq_p(pic_state *, pic_value, pic_value);
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bool pic_eqv_p(pic_state *, pic_value, pic_value);
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bool pic_equal_p(pic_state *, pic_value, pic_value);
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/* pair */
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pic_value pic_cons(pic_state *, pic_value car, pic_value cdr);
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pic_value pic_car(pic_state *, pic_value pair);
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pic_value pic_cdr(pic_state *, pic_value pair);
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void pic_set_car(pic_state *, pic_value pair, pic_value car);
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void pic_set_cdr(pic_state *, pic_value pair, pic_value cdr);
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pic_value pic_caar(pic_state *, pic_value);
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pic_value pic_cadr(pic_state *, pic_value);
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pic_value pic_cdar(pic_state *, pic_value);
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pic_value pic_cddr(pic_state *, pic_value);
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/* list */
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pic_value pic_nil_value(pic_state *);
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bool pic_list_p(pic_state *, pic_value);
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pic_value pic_make_list(pic_state *, int n, pic_value *argv);
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pic_value pic_list(pic_state *, int n, ...);
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pic_value pic_vlist(pic_state *, int n, va_list);
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pic_value pic_list_ref(pic_state *, pic_value list, int i);
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void pic_list_set(pic_state *, pic_value list, int i, pic_value v);
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pic_value pic_list_tail(pic_state *, pic_value list, int i);
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int pic_length(pic_state *, pic_value list);
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pic_value pic_reverse(pic_state *, pic_value list);
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pic_value pic_append(pic_state *, pic_value xs, pic_value ys);
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/* vector */
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pic_value pic_make_vec(pic_state *, int n, pic_value *argv);
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pic_value pic_vec_ref(pic_state *, pic_value vec, int i);
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void pic_vec_set(pic_state *, pic_value vec, int i, pic_value v);
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int pic_vec_len(pic_state *, pic_value vec);
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/* dictionary */
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pic_value pic_make_dict(pic_state *);
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pic_value pic_dict_ref(pic_state *, pic_value dict, pic_value key);
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void pic_dict_set(pic_state *, pic_value dict, pic_value key, pic_value);
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void pic_dict_del(pic_state *, pic_value dict, pic_value key);
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bool pic_dict_has(pic_state *, pic_value dict, pic_value key);
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int pic_dict_size(pic_state *, pic_value dict);
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bool pic_dict_next(pic_state *, pic_value dict, int *iter, pic_value *key, pic_value *val);
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/* ephemeron */
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pic_value pic_make_weak(pic_state *);
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pic_value pic_weak_ref(pic_state *, pic_value weak, pic_value key);
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void pic_weak_set(pic_state *, pic_value weak, pic_value key, pic_value val);
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void pic_weak_del(pic_state *, pic_value weak, pic_value key);
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bool pic_weak_has(pic_state *, pic_value weak, pic_value key);
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/* symbol */
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pic_value pic_intern(pic_state *, pic_value str);
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#define pic_intern_str(pic,s,i) pic_intern(pic, pic_str_value(pic, (s), (i)))
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#define pic_intern_cstr(pic,s) pic_intern(pic, pic_cstr_value(pic, (s)))
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#define pic_intern_lit(pic,lit) pic_intern(pic, pic_lit_value(pic, lit))
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pic_value pic_sym_name(pic_state *, pic_value sym);
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/* string */
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int pic_str_len(pic_state *, pic_value str);
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char pic_str_ref(pic_state *, pic_value str, int i);
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pic_value pic_str_cat(pic_state *, pic_value str1, pic_value str2);
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pic_value pic_str_sub(pic_state *, pic_value str, int i, int j);
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int pic_str_cmp(pic_state *, pic_value str1, pic_value str2);
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int pic_str_hash(pic_state *, pic_value str);
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/* External I/O */
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#define PIC_SEEK_CUR 0
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#define PIC_SEEK_END 1
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#define PIC_SEEK_SET 2
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pic_value pic_funopen(pic_state *, void *cookie, int (*read)(pic_state *, void *, char *, int), int (*write)(pic_state *, void *, const char *, int), long (*seek)(pic_state *, void *, long, int), int (*close)(pic_state *, void *));
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size_t pic_fread(pic_state *, void *ptr, size_t size, size_t count, pic_value port);
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size_t pic_fwrite(pic_state *, const void *ptr, size_t size, size_t count, pic_value port);
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long pic_fseek(pic_state *, pic_value port, long offset, int whence);
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int pic_fclose(pic_state *, pic_value port);
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void pic_clearerr(pic_state *, pic_value port);
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int pic_feof(pic_state *, pic_value port);
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int pic_ferror(pic_state *, pic_value port);
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int pic_fputc(pic_state *, int c, pic_value port);
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int pic_fgetc(pic_state *, pic_value port);
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int pic_fputs(pic_state *, const char *s, pic_value port);
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char *pic_fgets(pic_state *, char *s, int size, pic_value port);
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int pic_ungetc(pic_state *, int c, pic_value port);
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int pic_fflush(pic_state *, pic_value port);
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int pic_printf(pic_state *, const char *fmt, ...);
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int pic_fprintf(pic_state *, pic_value port, const char *fmt, ...);
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int pic_vfprintf(pic_state *, pic_value port, const char *fmt, va_list ap);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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