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-rw-r--r--parser.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/parser.c b/parser.c
index c0f3c6da..aa85a7f4 100644
--- a/parser.c
+++ b/parser.c
@@ -64,32 +64,52 @@ static void parser_mark(val obj)
gc_mark(p->primer);
}
+static void parser_destroy(val obj)
+{
+ parser_t *p = coerce(parser_t *, obj->co.handle);
+ parser_cleanup(p);
+}
+
static struct cobj_ops parser_ops = {
eq,
cobj_print_op,
- cobj_destroy_free_op,
+ parser_destroy,
parser_mark,
cobj_hash_op,
};
-val parser(val stream, val lineno, val primer)
+void parser_common_init(parser_t *p)
{
- parser_t *p = coerce(parser_t *, chk_malloc(sizeof *p));
- val parser;
p->parser = nil;
- p->lineno = 0;
+ p->lineno = 1;
p->errors = 0;
p->stream = nil;
p->name = nil;
p->prepared_msg = nil;
p->syntax_tree = nil;
p->primer = nil;
- p->scanner = 0;
+ yylex_init(&p->yyscan);
+ p->scanner = convert(scanner_t *, p->yyscan);
+ yyset_extra(p, p->scanner);
+}
+
+void parser_cleanup(parser_t *p)
+{
+ if (p->scanner != 0)
+ yylex_destroy(p->scanner);
+}
+
+val parser(val stream, val lineno, val primer)
+{
+ parser_t *p = coerce(parser_t *, chk_malloc(sizeof *p));
+ val parser;
+ parser_common_init(p);
parser = cobj(coerce(mem_t *, p), parser_s, &parser_ops);
p->parser = parser;
p->lineno = c_num(default_arg(lineno, one));
p->stream = stream;
p->primer = primer;
+
return parser;
}