=================================================================== RCS file: /cvs/mandoc/man.c,v retrieving revision 1.50 retrieving revision 1.51 diff -u -p -r1.50 -r1.51 --- mandoc/man.c 2010/03/22 05:59:32 1.50 +++ mandoc/man.c 2010/03/22 14:03:03 1.51 @@ -1,4 +1,4 @@ -/* $Id: man.c,v 1.50 2010/03/22 05:59:32 kristaps Exp $ */ +/* $Id: man.c,v 1.51 2010/03/22 14:03:03 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -35,6 +35,7 @@ const char *const __man_merrnames[WERRMAX] = { "invalid manual section", /* WMSEC */ "invalid date format", /* WDATE */ "scope of prior line violated", /* WLNSCOPE */ + "over-zealous prior line scope violation", /* WLNSCOPE2 */ "trailing whitespace", /* WTSPACE */ "unterminated quoted parameter", /* WTQUOTE */ "document has no body", /* WNODATA */ @@ -535,41 +536,37 @@ man_pmacro(struct man *m, int ln, char *buf) goto err; /* - * Remove prior ELINE macro, as a macro is clobbering it by - * being invoked without prior text. Note that NSCOPED macros - * do not close out ELINE macros, as they print no text. + * Remove prior ELINE macro, as it's being clobbering by a new + * macro. Note that NSCOPED macros do not close out ELINE + * macros---they don't print text---so we let those slip by. */ - if (m->flags & MAN_ELINE && - ! (MAN_NSCOPED & man_macros[c].flags)) { + if ( ! (MAN_NSCOPED & man_macros[c].flags) && + m->flags & MAN_ELINE) { + assert(MAN_TEXT != m->last->type); + + /* + * This occurs in the following construction: + * .B + * .br + * .B + * .br + * I hate man macros. + * Flat-out disallow this madness. + */ + if (MAN_NSCOPED & man_macros[m->last->tok].flags) + return(man_perr(m, ln, ppos, WLNSCOPE)); + n = m->last; + + assert(n); assert(NULL == n->child); assert(0 == n->nchild); + if ( ! man_nwarn(m, n, WLNSCOPE)) return(0); - /* FIXME: when called as in: - * - * .B - * .br - * .B - * .br - * hello - */ - - if (n->prev) { - assert(n != n->parent->child); - assert(n == n->prev->next); - n->prev->next = NULL; - m->last = n->prev; - m->next = MAN_NEXT_SIBLING; - } else { - assert(n == n->parent->child); - n->parent->child = NULL; - m->last = n->parent; - m->next = MAN_NEXT_CHILD; - } - + man_node_unlink(m, n); man_node_free(n); m->flags &= ~MAN_ELINE; } @@ -670,4 +667,29 @@ man_err(struct man *m, int line, int pos, int iserr, e return(man_verr(m, line, pos, p)); return(man_vwarn(m, line, pos, p)); +} + + +void +man_node_unlink(struct man *m, struct man_node *n) +{ + + if (n->prev) { + n->prev->next = n->next; + if (m->last == n) { + assert(NULL == n->next); + m->last = n->prev; + m->next = MAN_NEXT_SIBLING; + } + } else { + n->parent->child = n->next; + if (m->last == n) { + assert(NULL == n->next); + m->last = n->parent; + m->next = MAN_NEXT_CHILD; + } + } + + if (n->next) + n->next->prev = n->prev; }