/****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2017,2018 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 <tic.h>
-MODULE_ID("$Id: comp_parse.c,v 1.97 2017/08/04 09:02:21 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.105 2018/04/14 20:33:44 tom Exp $")
static void sanity_check2(TERMTYPE2 *, bool);
NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
_nc_suppress_warnings = oldsuppress;
}
+#if NCURSES_XNAMES
+static unsigned
+find_capname(TERMTYPE2 *p, const char *name)
+{
+ unsigned num_names = NUM_EXT_NAMES(p);
+ unsigned n;
+ if (name != 0) {
+ for (n = 0; n < num_names; ++n) {
+ if (!strcmp(p->ext_Names[n], name))
+ break;
+ }
+ } else {
+ n = num_names + 1;
+ }
+ return n;
+}
+
+static int
+extended_captype(TERMTYPE2 *p, unsigned which)
+{
+ int result = UNDEF;
+ unsigned limit = 0;
+ limit += p->ext_Booleans;
+ if (limit != 0 && which < limit) {
+ result = BOOLEAN;
+ } else {
+ limit += p->ext_Numbers;
+ if (limit != 0 && which < limit) {
+ result = NUMBER;
+ } else {
+ limit += p->ext_Strings;
+ if (limit != 0 && which < limit) {
+ result = STRING;
+ } else if (which >= limit) {
+ result = CANCEL;
+ }
+ }
+ }
+ return result;
+}
+
+static const char *
+name_of_captype(int which)
+{
+ const char *result = "?";
+ switch (which) {
+ case BOOLEAN:
+ result = "boolean";
+ break;
+ case NUMBER:
+ result = "number";
+ break;
+ case STRING:
+ result = "string";
+ break;
+ }
+ return result;
+}
+
+#define valid_TERMTYPE2(p) \
+ ((p) != 0 && \
+ (p)->term_names != 0 && \
+ (p)->ext_Names != 0)
+
+/*
+ * Disallow changing the type of an extended capability when doing a "use"
+ * if one or the other is a string.
+ */
+static int
+invalid_merge(TERMTYPE2 *to, TERMTYPE2 *from)
+{
+ int rc = FALSE;
+ if (valid_TERMTYPE2(to)
+ && valid_TERMTYPE2(from)) {
+ char *to_name = _nc_first_name(to->term_names);
+ char *from_name = strdup(_nc_first_name(from->term_names));
+ unsigned num_names = NUM_EXT_NAMES(from);
+ unsigned n;
+
+ for (n = 0; n < num_names; ++n) {
+ const char *capname = from->ext_Names[n];
+ int tt = extended_captype(to, find_capname(to, capname));
+ int tf = extended_captype(from, n);
+
+ if (tt <= STRING
+ && tf <= STRING
+ && (tt == STRING) != (tf == STRING)) {
+ if (from_name != 0 && strcmp(to_name, from_name)) {
+ DEBUG(2,
+ ("merge of %s to %s changes type of %s from %s to %s",
+ from_name,
+ to_name,
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt)));
+ } else {
+ DEBUG(2, ("merge of %s changes type of %s from %s to %s",
+ to_name,
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt)));
+ }
+ _nc_warning("merge changes type of %s from %s to %s",
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt));
+ rc = TRUE;
+ }
+ }
+ free(from_name);
+ }
+ return rc;
+}
+#define validate_merge(p, q) \
+ if (invalid_merge(&((p)->tterm), &((q)->tterm))) \
+ return FALSE
+#else
+#define validate_merge(p, q) /* nothing */
+#endif
+
NCURSES_EXPORT(int)
_nc_resolve_uses2(bool fullresolve, bool literal)
/* try to resolve all use capabilities */
char *lookfor = qp->uses[i].name;
long lookline = qp->uses[i].line;
+ if (lookfor == 0)
+ continue;
+
foundit = FALSE;
_nc_set_type(child);
* subsequent pass.
*/
for (i = 0; i < qp->nuses; i++)
- if (qp->uses[i].link->nuses) {
+ if (qp->uses[i].link
+ && qp->uses[i].link->nuses) {
DEBUG(2, ("%s: use entry %d unresolved",
_nc_first_name(qp->tterm.term_names), i));
goto incomplete;
* Now merge in each use entry in the proper
* (reverse) order.
*/
- for (; qp->nuses; qp->nuses--)
+ for (; qp->nuses; qp->nuses--) {
+ validate_merge(&merged,
+ qp->uses[qp->nuses - 1].link);
_nc_merge_entry(&merged,
qp->uses[qp->nuses - 1].link);
+ }
/*
* Now merge in the original entry.
*/
+ validate_merge(&merged, qp);
_nc_merge_entry(&merged, qp);
/*
fixup_acsc(TERMTYPE2 *tp, int literal)
{
if (!literal) {
- if (acs_chars == 0
- && enter_alt_charset_mode != 0
- && exit_alt_charset_mode != 0)
+ if (acs_chars == ABSENT_STRING
+ && PRESENT(enter_alt_charset_mode)
+ && PRESENT(exit_alt_charset_mode))
acs_chars = strdup(VT_ACSC);
}
}
#endif /* __UNUSED__ */
PAIRED(enter_standout_mode, exit_standout_mode);
PAIRED(enter_underline_mode, exit_underline_mode);
+#if defined(enter_italics_mode) && defined(exit_italics_mode)
PAIRED(enter_italics_mode, exit_italics_mode);
+#endif
}
/* we do this check/fix in postprocess_termcap(), but some packagers
PAIRED(enter_xon_mode, exit_xon_mode);
PAIRED(enter_am_mode, exit_am_mode);
ANDMISSING(label_off, label_on);
-#ifdef remove_clock
+#if defined(display_clock) && defined(remove_clock)
PAIRED(display_clock, remove_clock);
#endif
ANDMISSING(set_color_pair, initialize_pair);
projects / ncurses.git / blobdiff