/*
+ * Copyright (c) 1995, the EUROPAGATE consortium (see below).
+ *
+ * The EUROPAGATE consortium members are:
+ *
+ * University College Dublin
+ * Danmarks Teknologiske Videnscenter
+ * An Chomhairle Leabharlanna
+ * Consejo Superior de Investigaciones Cientificas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation, in whole or in part, for any purpose, is hereby granted,
+ * provided that:
+ *
+ * 1. This copyright and permission notice appear in all copies of the
+ * software and its documentation. Notices of copyright or attribution
+ * which appear at the beginning of any file must remain unchanged.
+ *
+ * 2. The names of EUROPAGATE or the project partners may not be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * 3. Users of this software (implementors and gateway operators) agree to
+ * inform the EUROPAGATE consortium of their use of the software. This
+ * information will be used to evaluate the EUROPAGATE project and the
+ * software, and to plan further developments. The consortium may use
+ * the information in later publications.
+ *
+ * 4. Users of this software agree to make their best efforts, when
+ * documenting their use of the software, to acknowledge the EUROPAGATE
+ * consortium, and the role played by the software in their work.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
+ * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
+ * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+ * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
+ * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/*
* FML interpreter. Europagate, 1995
*
- * fml.c,v
+ * $Log: fml.c,v $
+ * Revision 1.16 1995/05/16 09:39:32 adam
+ * LICENSE.
+ *
+ * Revision 1.15 1995/02/27 09:01:20 adam
+ * Regular expression support. Argument passing by name option. New FML
+ * function strlen.
+ *
+ * Revision 1.14 1995/02/23 08:32:04 adam
+ * Changed header.
+ *
* Revision 1.12 1995/02/22 15:20:13 adam
* Bug fix in fml_exec_space.
*
void fml_cmd_lex (struct fml_node **np, struct token *tp)
{
+ fml_cmd_lex_s (np, tp, 1);
+}
+
+void fml_cmd_lex_s (struct fml_node **np, struct token *tp, int esc_stop)
+{
char *cp;
char *dst;
if (!*np)
}
while (*cp)
{
- if (*cp == tp->escape_char)
+ if (*cp == tp->escape_char && esc_stop)
{
*dst = '\0';
tp->offset = cp - tp->atombuf;
(*fml->write_func) ('_');
else
(*fml->write_func) (' ');
- putchar (' ');
return NULL;
}
struct fml_node *fn;
struct fml_sym_info *arg_info;
struct fml_node *return_value;
- static char arg[128];
+ static char arg_name[128];
if (fml->debug & 1)
{
fml_cmd_lex (lp, tp);
for (fn = info->args; fn; fn = fn->p[1])
{
-
assert (fn->is_atom);
- fml_atom_strx (fn->p[0], arg, 127);
+ fml_atom_strx (fn->p[0], arg_name, 127);
if (fml->debug & 1)
{
pr_indent (1);
- printf ("%s=", arg);
+ printf ("%s=", arg_name);
}
- arg_info = fml_sym_add_local (fml->sym_tab, arg);
- arg_info->kind = FML_VAR;
-
- if (tp->kind == 'g')
+ if (*arg_name == fml->escape_char)
{
- arg_info->body = fml_sub0 (fml, tp->sub);
+ arg_info = fml_sym_add_local (fml->sym_tab, 1+arg_name);
+ arg_info->kind = FML_CODE;
+
+ if (tp->kind == 'g')
+ arg_info->body = tp->sub;
+ else
+ arg_info->body = NULL;
+ if (fml->debug & 1)
+ {
+ fml_pr_list (arg_info->body);
+ pr_indent (-1);
+ }
fml_cmd_lex (lp, tp);
}
else
- arg_info->body = fml_sub2 (fml, lp, tp);
- if (fml->debug & 1)
{
- fml_pr_list (arg_info->body);
- pr_indent (-1);
+ arg_info = fml_sym_add_local (fml->sym_tab, arg_name);
+ arg_info->kind = FML_VAR;
+
+ if (tp->kind == 'g')
+ {
+ arg_info->body = fml_sub0 (fml, tp->sub);
+ fml_cmd_lex (lp, tp);
+ }
+ else
+ arg_info->body = fml_sub2 (fml, lp, tp);
+ if (fml->debug & 1)
+ {
+ fml_pr_list (arg_info->body);
+ pr_indent (-1);
+ }
}
}
return_value = fml_exec_group (info->body, fml);
if (tp->kind == 'e')
{
info = fml_sym_lookup (fml->sym_tab, tp->tokenbuf);
- assert (info);
+ if (!info)
+ {
+ printf ("<<unknown %s in expression>>", tp->tokenbuf);
+ getchar ();
+ return NULL;
+ }
switch (info->kind)
{
case FML_VAR:
fn = fml_node_copy (fml, info->body);
fml_cmd_lex (lp, tp);
break;
+ case FML_CODE:
+ fn = fml_node_copy (fml, info->body);
+ fml_cmd_lex (lp, tp);
+ break;
case FML_PREFIX:
fn = fml_exec_prefix (info, fml, lp, tp);
break;
while (1)
{
fml_cmd_lex (&list, &token);
- if (token.kind != 't')
+ if (token.kind != 't' && token.kind != 'e')
break;
if (!info->args)
{
pr_indent (-1);
}
continue;
+ case FML_CODE:
+ fml_exec_group (info->body, fml);
+ break;
default:
- printf ("unknown token: `%s'", token.tokenbuf);
+ printf ("<unknown token: `%s'>", token.tokenbuf);
fml_cmd_lex (&list, &token);
}
}
else
{
- printf ("<unknown>");
+ printf ("<unknown %s>", token.tokenbuf);
}
break;
case 't':
projects / egate.git / blobdiff