mirror of https://github.com/janet-lang/janet
76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/*
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* Copyright (c) 2017 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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#include <dst/dst.h>
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#include <dst/dstcorelib.h>
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#include <dst/dstcompile.h>
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#include <dst/dstparse.h>
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/* Run a string */
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int dst_dobytes(DstTable *env, const uint8_t *bytes, int32_t len) {
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DstParser parser;
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int errflags = 0;
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int32_t index = 0;
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dst_parser_init(&parser, DST_PARSEFLAG_SOURCEMAP);
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for (;;) {
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switch (dst_parser_status(&parser)) {
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case DST_PARSE_FULL:
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{
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Dst form = dst_parser_produce(&parser);
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DstCompileResult cres = dst_compile(form, env, 0);
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if (cres.status == DST_COMPILE_OK) {
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DstFunction *f = dst_function(cres.funcdef, NULL);
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Dst ret;
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if (dst_run(dst_wrap_function(f), &ret)) {
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printf("internal runtime error: %s\n", (const char *) dst_to_string(ret));
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errflags |= 0x01;
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}
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} else {
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printf("internal compile error: %s\n", (const char *) cres.error);
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errflags |= 0x02;
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}
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}
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break;
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case DST_PARSE_ERROR:
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errflags |= 0x04;
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printf("internal parse error: %s\n", dst_parser_error(&parser));
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break;
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case DST_PARSE_PENDING:
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if (index >= len)
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printf("internal parse error: unexpected end of source\n");
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/* fallthrough */
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case DST_PARSE_ROOT:
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if (index >= len) return errflags;
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dst_parser_consume(&parser, bytes[index++]);
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break;
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}
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}
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}
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int dst_dostring(DstTable *env, const char *str) {
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int32_t len = 0;
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while (str[len]) ++len;
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return dst_dobytes(env, (const uint8_t *)str, len);
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}
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