372 lines
14 KiB
C
372 lines
14 KiB
C
/**
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* Copyright (c) 2013-2016 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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int pic_get_args(pic_state *, const char *fmt, ...);
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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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void pic_add_feature(pic_state *, const char *feature);
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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_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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PIC_NORETURN void pic_panic(pic_state *, const char *msg);
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PIC_NORETURN void pic_errorf(pic_state *, const char *fmt, ...);
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PIC_NORETURN void pic_error(pic_state *, const char *type, const char *msg, pic_value irrs);
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PIC_NORETURN void pic_raise(pic_state *, pic_value v);
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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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PIC_INLINE int pic_int(pic_state *, pic_value i);
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PIC_INLINE double pic_float(pic_state *, pic_value f);
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PIC_INLINE 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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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_INLINE pic_value pic_undef_value(pic_state *);
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PIC_INLINE pic_value pic_int_value(pic_state *, int);
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PIC_INLINE pic_value pic_float_value(pic_state *, double);
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PIC_INLINE pic_value pic_char_value(pic_state *, char);
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PIC_INLINE pic_value pic_true_value(pic_state *);
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PIC_INLINE pic_value pic_false_value(pic_state *);
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PIC_INLINE pic_value pic_bool_value(pic_state *, bool);
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PIC_INLINE 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_PROC = 19,
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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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};
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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_vtype(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_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_PROC)
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#define pic_data_p(pic,v) (pic_type(pic,v) == PIC_TYPE_DATA)
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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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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_INLINE 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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/* extra stuff */
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typedef struct pic_identifier pic_id;
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typedef pic_id pic_sym;
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#include "picrin/type.h"
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#include "picrin/state.h"
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#include "picrin/cont.h"
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void *pic_default_allocf(void *, void *, size_t);
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#define pic_assert_type(pic, v, type) \
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if (! pic_##type##_p(pic, v)) { \
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pic_errorf(pic, "expected " #type ", but got ~s", v); \
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}
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pic_value pic_make_port(pic_state *, xFILE *file);
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void pic_close_port(pic_state *, pic_value port);
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#define pic_void(exec) \
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pic_void_(PIC_GENSYM(ai), exec)
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#define pic_void_(ai,exec) do { \
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size_t ai = pic_enter(pic); \
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exec; \
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pic_leave(pic, ai); \
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} while (0)
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pic_value pic_read(pic_state *, pic_value port);
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pic_value pic_read_cstr(pic_state *, const char *);
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pic_value pic_expand(pic_state *, pic_value program, pic_value env);
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pic_value pic_eval(pic_state *, pic_value program, const char *lib);
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void pic_load(pic_state *, pic_value port);
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void pic_load_cstr(pic_state *, const char *);
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pic_value pic_make_var(pic_state *, pic_value init, pic_value conv);
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bool pic_data_type_p(pic_state *, pic_value, const pic_data_type *);
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#define pic_deflibrary(pic, lib) do { \
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if (! pic_find_library(pic, lib)) { \
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pic_make_library(pic, lib); \
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} \
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pic_in_library(pic, lib); \
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} while (0)
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/* do not return from try block! */
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#define pic_try \
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pic_try_(PIC_GENSYM(cont), PIC_GENSYM(handler))
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#define pic_catch \
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pic_catch_(PIC_GENSYM(label))
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#define pic_try_(cont, handler) \
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do { \
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extern void pic_push_handler(pic_state *, pic_value proc); \
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extern pic_value pic_pop_handler(pic_state *); \
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extern pic_value pic_native_exception_handler(pic_state *); \
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struct pic_cont cont; \
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pic_save_point(pic, &cont); \
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if (PIC_SETJMP(pic, cont.jmp) == 0) { \
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pic_value handler; \
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handler = pic_lambda(pic, pic_native_exception_handler, 1, pic_make_cont(pic, &cont)); \
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do { \
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pic_push_handler(pic, handler);
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#define pic_catch_(label) \
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pic_pop_handler(pic); \
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} while (0); \
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pic->cc = pic->cc->prev; \
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} else { \
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goto label; \
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} \
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} while (0); \
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if (0) \
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label:
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#define pic_for_each(var, list, it) \
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for (it = (list); ! pic_nil_p(pic, it); it = pic_cdr(pic, it)) \
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if ((var = pic_car(pic, it)), true)
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#define pic_push(pic, item, place) (place = pic_cons(pic, item, place))
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#define pic_pop(pic, place) (place = pic_cdr(pic, place))
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void pic_warnf(pic_state *, const char *, ...);
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pic_value pic_get_backtrace(pic_state *);
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void pic_print_backtrace(pic_state *, xFILE *);
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#define pic_stdin(pic) pic_funcall(pic, "picrin.base", "current-input-port", 0)
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#define pic_stdout(pic) pic_funcall(pic, "picrin.base", "current-output-port", 0)
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#define pic_stderr(pic) pic_funcall(pic, "picrin.base", "current-error-port", 0)
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xFILE *pic_fileno(pic_state *, pic_value port);
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pic_value pic_write(pic_state *, pic_value); /* returns given obj */
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pic_value pic_fwrite(pic_state *, pic_value, xFILE *);
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void pic_printf(pic_state *, const char *, ...);
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void pic_fprintf(pic_state *, pic_value port, const char *, ...);
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pic_value pic_display(pic_state *, pic_value);
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pic_value pic_fdisplay(pic_state *, pic_value, xFILE *);
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pic_value pic_library_environment(pic_state *, const char *);
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#if DEBUG
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# define pic_debug(pic,obj) pic_fwrite(pic,obj,xstderr)
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# define pic_fdebug(pic,obj,file) pic_fwrite(pic,obj,file)
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#endif
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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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