diff options
| -rw-r--r-- | Makefile | 9 | ||||
| -rw-r--r--[-rwxr-xr-x] | ell.c | 54 | ||||
| -rw-r--r-- | interpreter.c | 71 |
3 files changed, 77 insertions, 57 deletions
@@ -1,7 +1,10 @@ CFLAGS = -std=c99 -Wall -Wextra -ggdb -all: ell -ell: ell.c + +all: interpreter +interpreter: interpreter.c ell.c + $(CC) $(CFLAGS) $< -o $@ +repl: repl.c ell.c $(CC) $(CFLAGS) $< -o $@ clean: - rm ell + rm -f interpreter repl .PHONY: all clean @@ -24,7 +24,6 @@ #include <errno.h> #include <stdarg.h> #include <assert.h> -#include <time.h> #include <stdbool.h> #include <setjmp.h> @@ -1283,56 +1282,3 @@ init_runtime_library (struct context *ctx) { && native_register (ctx, "=", fn_equals) && native_register (ctx, "<", fn_less); } - -// --- Main -------------------------------------------------------------------- - -int -main (int argc, char *argv[]) { - FILE *fp = stdin; - if (argc > 1 && !(fp = fopen (argv[1], "rb"))) { - fprintf (stderr, "%s: %s\n", argv[1], strerror (errno)); - return 1; - } - - int c; - struct buffer buf = BUFFER_INITIALIZER; - while ((c = fgetc (fp)) != EOF) - buffer_append_c (&buf, c); - buffer_append_c (&buf, 0); - fclose (fp); - - struct parser parser; - parser_init (&parser, buf.s, buf.len - 1); - const char *e = NULL; - struct item *program = parser_run (&parser, &e); -#ifndef NDEBUG - printf ("\x1b[1m%s\x1b[0m\n", buf.s); - print_tree (program, 0); - printf ("\n\n"); -#endif - free (buf.s); - if (e) { - printf ("%s: %s\n", "parse error", e); - return 1; - } - parser_free (&parser); - - struct context ctx; - context_init (&ctx); - if (!init_runtime_library (&ctx)) - printf ("%s\n", "runtime library initialization failed"); - - struct item *result = NULL; - (void) execute (&ctx, program, &result); - item_free_list (result); - item_free_list (program); - - const char *failure = ctx.error; - if (ctx.memory_failure) - failure = "memory allocation failure"; - if (failure) - printf ("%s: %s\n", "runtime error", failure); - context_free (&ctx); - return 0; -} - diff --git a/interpreter.c b/interpreter.c new file mode 100644 index 0000000..4159e08 --- /dev/null +++ b/interpreter.c @@ -0,0 +1,71 @@ +/* + * interpreter.c: test interpreter + * + * Copyright (c) 2017, Přemysl Janouch <p.janouch@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "ell.c" + +int +main (int argc, char *argv[]) { + FILE *fp = stdin; + if (argc > 1 && !(fp = fopen (argv[1], "rb"))) { + fprintf (stderr, "%s: %s\n", argv[1], strerror (errno)); + return 1; + } + + int c; + struct buffer buf = BUFFER_INITIALIZER; + while ((c = fgetc (fp)) != EOF) + buffer_append_c (&buf, c); + buffer_append_c (&buf, 0); + fclose (fp); + + struct parser parser; + parser_init (&parser, buf.s, buf.len - 1); + const char *e = NULL; + struct item *program = parser_run (&parser, &e); +#ifndef NDEBUG + printf ("\x1b[1m%s\x1b[0m\n", buf.s); + print_tree (program, 0); + printf ("\n\n"); +#endif + free (buf.s); + if (e) { + printf ("%s: %s\n", "parse error", e); + return 1; + } + parser_free (&parser); + + struct context ctx; + context_init (&ctx); + if (!init_runtime_library (&ctx)) + printf ("%s\n", "runtime library initialization failed"); + + struct item *result = NULL; + (void) execute (&ctx, program, &result); + item_free_list (result); + item_free_list (program); + + const char *failure = ctx.error; + if (ctx.memory_failure) + failure = "memory allocation failure"; + if (failure) + printf ("%s: %s\n", "runtime error", failure); + context_free (&ctx); + return 0; +} + |