/****************************************************************************
- * Copyright (c) 1998-2008,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <ctype.h>
#include <tic.h>
-MODULE_ID("$Id: comp_scan.c,v 1.86 2010/01/23 17:13:15 tom Exp $")
+MODULE_ID("$Id: comp_scan.c,v 1.94 2011/10/22 15:46:43 tom Exp $")
/*
* Maximum length of string capability we'll accept before raising an error.
#define iswhite(ch) (ch == ' ' || ch == '\t')
NCURSES_EXPORT_VAR (int) _nc_syntax = 0; /* termcap or terminfo? */
+NCURSES_EXPORT_VAR (int) _nc_strict_bsd = 1; /* ncurses extended termcap? */
NCURSES_EXPORT_VAR (long) _nc_curr_file_pos = 0; /* file offset of current line */
NCURSES_EXPORT_VAR (long) _nc_comment_start = 0; /* start of comment range before name */
NCURSES_EXPORT_VAR (long) _nc_comment_end = 0; /* end of comment range before name */
if (fgets(result + used, (int) (allocated - used), yyin) != 0) {
bufstart = result;
if (used == 0) {
+ if (_nc_curr_line == 0
+ && IS_TIC_MAGIC(result)) {
+ _nc_err_abort("This is a compiled terminal description, not a source");
+ }
_nc_curr_line++;
_nc_curr_col = 0;
}
}
static void
-push_back(char c)
+push_back(int c)
/* push a character back onto the input stream */
{
if (bufptr == bufstart)
_nc_syserr_abort("Can't backspace off beginning of line");
- *--bufptr = c;
+ *--bufptr = (char) c;
_nc_curr_col--;
}
*tok_ptr++ = (char) ch; \
*tok_ptr = '\0'
+static char *tok_buf;
+
/*
* int
* get_token()
_nc_get_token(bool silent)
{
static const char terminfo_punct[] = "@%&*!#";
- static char *tok_buf;
char *after_list;
char *after_name;
if (tok_buf != 0) {
if (_nc_curr_token.tk_name == tok_buf)
_nc_curr_token.tk_name = 0;
- FreeAndNull(tok_buf);
}
return (EOF);
}
}
ch = eat_escaped_newline(ch);
+ _nc_curr_token.tk_valstring = 0;
#ifdef TRACE
old_line = _nc_curr_line;
if (OkToAdd()) {
AddCh(ch);
} else {
- ch = EOF;
break;
}
}
_nc_warning("Missing separator");
}
_nc_curr_token.tk_name = tok_buf;
- _nc_curr_token.tk_valnumber = number;
+ _nc_curr_token.tk_valnumber = (int) number;
type = NUMBER;
break;
if (!(is7bits(c) && isprint(c))) {
_nc_warning("Illegal ^ character - '%s'", unctrl(UChar(c)));
}
- if (c == '?') {
+ if (c == '?' && (_nc_syntax != SYN_TERMCAP)) {
*(ptr++) = '\177';
if (_nc_tracing)
_nc_warning("Allow ^? as synonym for \\177");
*(ptr++) = (char) (c);
}
} else if (c == '\\') {
+ bool strict_bsd = ((_nc_syntax == SYN_TERMCAP) && _nc_strict_bsd);
+
c = next_char();
if (c == EOF)
_nc_err_abort(MSG_NO_INPUTS);
- if (c >= '0' && c <= '7') {
+#define isoctal(c) ((c) >= '0' && (c) <= '7')
+
+ if (isoctal(c) || (strict_bsd && isdigit(c))) {
number = c - '0';
for (i = 0; i < 2; i++) {
c = next_char();
if (c == EOF)
_nc_err_abort(MSG_NO_INPUTS);
- if (c < '0' || c > '7') {
+ if (!isoctal(c)) {
if (isdigit(c)) {
- _nc_warning("Non-octal digit `%c' in \\ sequence", c);
- /* allow the digit; it'll do less harm */
+ if (!strict_bsd) {
+ _nc_warning("Non-octal digit `%c' in \\ sequence", c);
+ /* allow the digit; it'll do less harm */
+ }
} else {
- push_back((char) c);
+ push_back(c);
break;
}
}
number = number * 8 + c - '0';
}
- if (number == 0)
+ number = UChar(number);
+ if (number == 0 && !strict_bsd)
number = 0200;
*(ptr++) = (char) number;
} else {
switch (c) {
case 'E':
- case 'e':
*(ptr++) = '\033';
break;
- case 'a':
- *(ptr++) = '\007';
- break;
-
- case 'l':
case 'n':
*(ptr++) = '\n';
break;
*(ptr++) = '\010';
break;
- case 's':
- *(ptr++) = ' ';
- break;
-
case 'f':
*(ptr++) = '\014';
break;
*(ptr++) = ',';
break;
- case ':':
- *(ptr++) = ':';
- break;
-
case '\n':
continue;
default:
- _nc_warning("Illegal character '%s' in \\ sequence",
- unctrl(UChar(c)));
+ if ((_nc_syntax == SYN_TERMINFO) || !_nc_strict_bsd) {
+ switch (c) {
+ case 'a':
+ c = '\007';
+ break;
+ case 'e':
+ c = '\033';
+ break;
+ case 'l':
+ c = '\n';
+ break;
+ case 's':
+ c = ' ';
+ break;
+ case ':':
+ c = ':';
+ break;
+ default:
+ _nc_warning("Illegal character '%s' in \\ sequence",
+ unctrl(UChar(c)));
+ break;
+ }
+ }
/* FALLTHRU */
case '|':
*(ptr++) = (char) c;
if (!ignored) {
if (_nc_curr_col <= 1) {
- push_back((char) c);
+ push_back(c);
c = '\n';
break;
}
if (pushname != 0) {
FreeAndNull(pushname);
}
+ if (tok_buf != 0) {
+ FreeAndNull(tok_buf);
+ }
}
#endif