/****************************************************************************
- * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2012,2013 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 *
/*
* comp_parse.c -- parser driver loop and use handling.
*
- * _nc_read_entry_source(FILE *, literal, bool, bool (*hook)())
- * _nc_resolve_uses2(void)
- * _nc_free_entries(void)
- *
* Use this code by calling _nc_read_entry_source() on as many source
* files as you like (either terminfo or termcap syntax). If you
* want use-resolution, call _nc_resolve_uses2(). To free the list
* storage, do _nc_free_entries().
- *
*/
#include <curses.priv.h>
#include <ctype.h>
#include <tic.h>
-#include <term_entry.h>
-MODULE_ID("$Id: comp_parse.c,v 1.60 2005/06/04 21:42:44 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.89 2013/07/13 21:55:32 tom Exp $")
static void sanity_check2(TERMTYPE *, bool);
NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE *, bool) = sanity_check2;
static void sanity_check(TERMTYPE *);
NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype) (TERMTYPE *) = sanity_check;
-/****************************************************************************
- *
- * Entry queue handling
- *
- ****************************************************************************/
-/*
- * The entry list is a doubly linked list with NULLs terminating the lists:
- *
- * --------- --------- ---------
- * | | | | | | offset
- * |-------| |-------| |-------|
- * | ----+-->| ----+-->| NULL | next
- * |-------| |-------| |-------|
- * | NULL |<--+---- |<--+---- | last
- * --------- --------- ---------
- * ^ ^
- * | |
- * | |
- * _nc_head _nc_tail
- */
-
-NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0;
-NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0;
+static void fixup_acsc(TERMTYPE *, int);
static void
enqueue(ENTRY * ep)
newp->last->next = newp;
}
-NCURSES_EXPORT(void)
-_nc_free_entries(ENTRY * headp)
-/* free the allocated storage consumed by list entries */
+static char *
+force_bar(char *dst, char *src)
{
- while (_nc_head != 0) {
- _nc_free_entry(headp, &(headp->tterm));
+ if (strchr(src, '|') == 0) {
+ size_t len = strlen(src);
+ if (len > MAX_NAME_SIZE)
+ len = MAX_NAME_SIZE;
+ (void) strncpy(dst, src, len);
+ _nc_STRCPY(dst + len, "|", MAX_NAME_SIZE);
+ src = dst;
}
+ return src;
}
+#define ForceBar(dst, src) ((strchr(src, '|') == 0) ? force_bar(dst, src) : src)
-NCURSES_EXPORT(ENTRY *)
-_nc_delink_entry(ENTRY * headp, TERMTYPE *tterm)
-/* delink the allocated storage for the given list entry */
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+static char *
+skip_index(char *name)
{
- ENTRY *ep, *last;
-
- for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) {
- if (&(ep->tterm) == tterm) {
- if (last != 0)
- last->next = ep->next;
- else
- headp = ep->next;
- if (ep == _nc_head)
- _nc_head = 0;
- if (ep == _nc_tail)
- _nc_tail = 0;
- break;
- }
- }
- return ep;
+ char *bar = strchr(name, '|');
+
+ if (bar != 0 && (bar - name) == 2)
+ name = bar + 1;
+
+ return name;
}
+#endif
-NCURSES_EXPORT(void)
-_nc_free_entry(ENTRY * headp, TERMTYPE *tterm)
-/* free the allocated storage consumed by the given list entry */
+static bool
+check_collisions(char *n1, char *n2, int counter)
{
- ENTRY *ep;
+ char *pstart, *qstart, *pend, *qend;
+ char nc1[MAX_NAME_SIZE + 2];
+ char nc2[MAX_NAME_SIZE + 2];
+
+ n1 = ForceBar(nc1, n1);
+ n2 = ForceBar(nc2, n2);
- if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
- _nc_free_termtype(&(ep->tterm));
- free(ep);
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+ if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) {
+ n1 = skip_index(n1);
+ n2 = skip_index(n2);
}
+#endif
+
+ for (pstart = n1; (pend = strchr(pstart, '|')); pstart = pend + 1) {
+ for (qstart = n2; (qend = strchr(qstart, '|')); qstart = qend + 1) {
+ if ((pend - pstart == qend - qstart)
+ && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0) {
+ if (counter > 0)
+ (void) fprintf(stderr, "Name collision '%.*s' between\n",
+ (int) (pend - pstart), pstart);
+ return (TRUE);
+ }
+ }
+ }
+
+ return (FALSE);
}
static char *
-force_bar(char *dst, char *src)
+next_name(char *name)
{
- if (strchr(src, '|') == 0) {
- size_t len = strlen(src);
- if (len > MAX_NAME_SIZE)
- len = MAX_NAME_SIZE;
- (void) strncpy(dst, src, len);
- (void) strcpy(dst + len, "|");
- src = dst;
+ if (*name != '\0')
+ ++name;
+ return name;
+}
+
+static char *
+name_ending(char *name)
+{
+ if (*name == '\0') {
+ name = 0;
+ } else {
+ while (*name != '\0' && *name != '|')
+ ++name;
}
- return src;
+ return name;
}
-NCURSES_EXPORT(bool)
-_nc_entry_match(char *n1, char *n2)
-/* do any of the aliases in a pair of terminal names match? */
+/*
+ * Essentially, find the conflict reported in check_collisions() and remove
+ * it from the second name, unless that happens to be the last alias.
+ */
+static bool
+remove_collision(char *n1, char *n2)
{
+ char *p2 = n2;
char *pstart, *qstart, *pend, *qend;
- char nc1[MAX_NAME_SIZE + 2], nc2[MAX_NAME_SIZE + 2];
+ bool removed = FALSE;
- n1 = force_bar(nc1, n1);
- n2 = force_bar(nc2, n2);
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+ if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) {
+ n1 = skip_index(n1);
+ p2 = n2 = skip_index(n2);
+ }
+#endif
- for (pstart = n1; (pend = strchr(pstart, '|')); pstart = pend + 1)
- for (qstart = n2; (qend = strchr(qstart, '|')); qstart = qend + 1)
+ for (pstart = n1; (pend = name_ending(pstart)); pstart = next_name(pend)) {
+ for (qstart = n2; (qend = name_ending(qstart)); qstart = next_name(qend)) {
if ((pend - pstart == qend - qstart)
- && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0)
- return (TRUE);
+ && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0) {
+ if (qstart != p2 || *qend == '|') {
+ if (*qend == '|')
+ ++qend;
+ while ((*qstart++ = *qend++) != '\0') ;
+ fprintf(stderr, "...now\t%s\n", p2);
+ } else {
+ fprintf(stderr, "Cannot remove alias '%.*s'\n",
+ (int) (qend - qstart), qstart);
+ }
+ removed = TRUE;
+ break;
+ }
+ }
+ }
- return (FALSE);
+ return removed;
+}
+
+/* do any of the aliases in a pair of terminal names match? */
+NCURSES_EXPORT(bool)
+_nc_entry_match(char *n1, char *n2)
+{
+ return check_collisions(n1, n2, 0);
}
/****************************************************************************
_nc_err_abort("terminal names must start with letter or digit");
/*
- * This can be used for immediate compilation of entries with no
- * use references to disk, so as to avoid chewing up a lot of
- * core when the resolution code could fetch entries off disk.
+ * This can be used for immediate compilation of entries with no "use="
+ * references to disk. That avoids consuming a lot of memory when the
+ * resolution code could fetch entries off disk.
*/
if (hook != NULLHOOK && (*hook) (&thisentry)) {
immediate++;
} else {
enqueue(&thisentry);
+ /*
+ * The enqueued entry is copied with _nc_copy_termtype(), so we can
+ * free some of the data from thisentry, i.e., the arrays.
+ */
FreeIfNeeded(thisentry.tterm.Booleans);
FreeIfNeeded(thisentry.tterm.Numbers);
FreeIfNeeded(thisentry.tterm.Strings);
+#if NCURSES_XNAMES
+ FreeIfNeeded(thisentry.tterm.ext_Names);
+#endif
}
}
{
ENTRY *qp, *rp, *lastread = 0;
bool keepgoing;
- int i, unresolved, total_unresolved, multiples;
+ unsigned i;
+ int unresolved, total_unresolved, multiples;
DEBUG(2, ("RESOLUTION BEGINNING"));
for_entry_list(rp) {
if (qp > rp
- && _nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
- matchcount++;
- if (matchcount == 1) {
- (void) fprintf(stderr, "Name collision between %s",
- _nc_first_name(qp->tterm.term_names));
- multiples++;
+ && check_collisions(qp->tterm.term_names,
+ rp->tterm.term_names,
+ matchcount + 1)) {
+ if (!matchcount++) {
+ (void) fprintf(stderr, "\t%s\n", rp->tterm.term_names);
+ }
+ (void) fprintf(stderr, "and\t%s\n", qp->tterm.term_names);
+ if (!remove_collision(rp->tterm.term_names,
+ qp->tterm.term_names)) {
+ ++multiples;
}
- if (matchcount >= 1)
- (void) fprintf(stderr, " %s", _nc_first_name(rp->tterm.term_names));
}
}
- if (matchcount >= 1)
- (void) putc('\n', stderr);
}
if (multiples > 0)
return (FALSE);
DEBUG(2, ("%s: resolving use=%s (compiled)",
child, lookfor));
- rp = typeMalloc(ENTRY, 1);
- if (rp == 0)
- _nc_err_abort(MSG_NO_MEMORY);
+ TYPE_MALLOC(ENTRY, 1, rp);
rp->tterm = thisterm;
rp->nuses = 0;
rp->next = lastread;
unresolved++;
total_unresolved++;
- _nc_curr_line = lookline;
+ _nc_curr_line = (int) lookline;
_nc_warning("resolution of use=%s failed", lookfor);
qp->uses[i].link = 0;
}
}
/*
- * First, make sure there's no garbage in the
- * merge block. as a side effect, copy into
- * the merged entry the name field and string
- * table pointer.
+ * First, make sure there is no garbage in the
+ * merge block. As a side effect, copy into
+ * the merged entry the name field and string
+ * table pointer.
*/
_nc_copy_termtype(&merged, &(qp->tterm));
FreeIfNeeded(qp->tterm.Booleans);
FreeIfNeeded(qp->tterm.Numbers);
FreeIfNeeded(qp->tterm.Strings);
+#if NCURSES_XNAMES
+ FreeIfNeeded(qp->tterm.ext_Names);
+#endif
qp->tterm = merged;
_nc_wrap_entry(qp, TRUE);
if (_nc_check_termtype != 0) {
_nc_curr_col = -1;
for_entry_list(qp) {
- _nc_curr_line = qp->startline;
+ _nc_curr_line = (int) qp->startline;
_nc_set_type(_nc_first_name(qp->tterm.term_names));
- _nc_check_termtype2(&qp->tterm, literal);
+ /*
+ * tic overrides this function pointer to provide more verbose
+ * checking.
+ */
+ if (_nc_check_termtype2 != sanity_check2) {
+ SCREEN *save_SP = SP;
+ SCREEN fake_sp;
+ TERMINAL fake_tm;
+ TERMINAL *save_tm = cur_term;
+
+ /*
+ * Setup so that tic can use ordinary terminfo interface
+ * to obtain capability information.
+ */
+ memset(&fake_sp, 0, sizeof(fake_sp));
+ memset(&fake_tm, 0, sizeof(fake_tm));
+ fake_sp._term = &fake_tm;
+ fake_tm.type = qp->tterm;
+ _nc_set_screen(&fake_sp);
+ set_curterm(&fake_tm);
+
+ _nc_check_termtype2(&qp->tterm, literal);
+
+ _nc_set_screen(save_SP);
+ set_curterm(save_tm);
+ } else {
+ fixup_acsc(&qp->tterm, literal);
+ }
}
DEBUG(2, ("SANITY CHECK FINISHED"));
}
#undef CUR
#define CUR tp->
+static void
+fixup_acsc(TERMTYPE *tp, int literal)
+{
+ if (!literal) {
+ if (acs_chars == 0
+ && enter_alt_charset_mode != 0
+ && exit_alt_charset_mode != 0)
+ acs_chars = strdup(VT_ACSC);
+ }
+}
+
static void
sanity_check2(TERMTYPE *tp, bool literal)
{
* prefer to bypass it...
*/
if (!literal) {
- if (acs_chars == 0
- && enter_alt_charset_mode != 0
- && exit_alt_charset_mode != 0)
- acs_chars = strdup(VT_ACSC);
+ fixup_acsc(tp, literal);
ANDMISSING(enter_alt_charset_mode, acs_chars);
ANDMISSING(exit_alt_charset_mode, acs_chars);
}
{
sanity_check2(tp, FALSE);
}
+
+#if NO_LEAKS
+NCURSES_EXPORT(void)
+_nc_leaks_tic(void)
+{
+ _nc_alloc_entry_leaks();
+ _nc_captoinfo_leaks();
+ _nc_comp_scan_leaks();
+#if BROKEN_LINKER || USE_REENTRANT
+ _nc_names_leaks();
+ _nc_codes_leaks();
+#endif
+ _nc_tic_expand(0, FALSE, 0);
+}
+
+NCURSES_EXPORT(void)
+_nc_free_tic(int code)
+{
+ _nc_leaks_tic();
+ _nc_free_tinfo(code);
+}
+#endif
projects / ncurses.git / blobdiff