mirror of
https://github.com/janet-lang/janet
synced 2024-11-26 02:07:19 +00:00
333ae7c4f8
This way we can support fewer build configurations. Also, remove all undefined behavior due to use of memcpy with NULL pointers. GCC was exploiting this to remove NULL checks in some builds.
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/*
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* Copyright (c) 2020 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef JANET_UTIL_H_defined
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#define JANET_UTIL_H_defined
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#ifndef JANET_AMALG
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#include "features.h"
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#include <janet.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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/* Handle runtime errors */
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#ifndef janet_exit
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#include <stdio.h>
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#define janet_exit(m) do { \
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printf("C runtime error at line %d in file %s: %s\n",\
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__LINE__,\
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__FILE__,\
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(m));\
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exit(1);\
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} while (0)
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#endif
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#define janet_assert(c, m) do { \
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if (!(c)) janet_exit((m)); \
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} while (0)
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/* What to do when out of memory */
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#ifndef JANET_OUT_OF_MEMORY
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#include <stdio.h>
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#define JANET_OUT_OF_MEMORY do { printf("janet out of memory\n"); exit(1); } while (0)
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#endif
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/* Omit docstrings in some builds */
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#ifndef JANET_BOOTSTRAP
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#define JDOC(x) NULL
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#define JANET_NO_BOOTSTRAP
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#else
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#define JDOC(x) x
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#endif
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/* Utils */
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#define janet_maphash(cap, hash) ((uint32_t)(hash) & (cap - 1))
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extern const char janet_base64[65];
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int32_t janet_array_calchash(const Janet *array, int32_t len);
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int32_t janet_kv_calchash(const JanetKV *kvs, int32_t len);
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int32_t janet_string_calchash(const uint8_t *str, int32_t len);
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int32_t janet_tablen(int32_t n);
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void safe_memcpy(void *dest, const void *src, size_t len);
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void janet_buffer_push_types(JanetBuffer *buffer, int types);
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const JanetKV *janet_dict_find(const JanetKV *buckets, int32_t cap, Janet key);
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Janet janet_dict_get(const JanetKV *buckets, int32_t cap, Janet key);
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void janet_memempty(JanetKV *mem, int32_t count);
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void *janet_memalloc_empty(int32_t count);
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JanetTable *janet_get_core_table(const char *name);
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const void *janet_strbinsearch(
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const void *tab,
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size_t tabcount,
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size_t itemsize,
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const uint8_t *key);
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void janet_buffer_format(
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JanetBuffer *b,
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const char *strfrmt,
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int32_t argstart,
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int32_t argc,
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Janet *argv);
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/* Inside the janet core, defining globals is different
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* at bootstrap time and normal runtime */
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#ifdef JANET_BOOTSTRAP
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#define janet_core_def janet_def
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#define janet_core_cfuns janet_cfuns
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#else
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void janet_core_def(JanetTable *env, const char *name, Janet x, const void *p);
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void janet_core_cfuns(JanetTable *env, const char *regprefix, const JanetReg *cfuns);
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#endif
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/* Initialize builtin libraries */
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void janet_lib_io(JanetTable *env);
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void janet_lib_math(JanetTable *env);
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void janet_lib_array(JanetTable *env);
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void janet_lib_tuple(JanetTable *env);
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void janet_lib_buffer(JanetTable *env);
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void janet_lib_table(JanetTable *env);
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void janet_lib_fiber(JanetTable *env);
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void janet_lib_os(JanetTable *env);
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void janet_lib_string(JanetTable *env);
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void janet_lib_marsh(JanetTable *env);
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void janet_lib_parse(JanetTable *env);
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#ifdef JANET_ASSEMBLER
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void janet_lib_asm(JanetTable *env);
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#endif
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void janet_lib_compile(JanetTable *env);
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void janet_lib_debug(JanetTable *env);
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#ifdef JANET_PEG
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void janet_lib_peg(JanetTable *env);
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#endif
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#ifdef JANET_TYPED_ARRAY
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void janet_lib_typed_array(JanetTable *env);
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#endif
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#ifdef JANET_INT_TYPES
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void janet_lib_inttypes(JanetTable *env);
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#endif
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#ifdef JANET_THREADS
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void janet_lib_thread(JanetTable *env);
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#endif
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#endif
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