diff options
-rw-r--r-- | man.c | 123 |
1 files changed, 65 insertions, 58 deletions
@@ -1,7 +1,7 @@ /* $Id$ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org> * * Permission to use, copy, modify, and distribute this software for any @@ -48,6 +48,10 @@ const char *const __man_macronames[MAN_MAX] = { const char * const *man_macronames = __man_macronames; +static void man_alloc1(struct man *); +static void man_breakscope(struct man *, enum mant); +static void man_descope(struct man *, int, int); +static void man_free1(struct man *); static struct man_node *man_node_alloc(struct man *, int, int, enum man_type, enum mant); static void man_node_append(struct man *, struct man_node *); @@ -56,9 +60,6 @@ static void man_node_unlink(struct man *, struct man_node *); static int man_ptext(struct man *, int, char *, int); static int man_pmacro(struct man *, int, char *, int); -static void man_free1(struct man *); -static void man_alloc1(struct man *); -static void man_descope(struct man *, int, int); const struct man_node * @@ -337,6 +338,7 @@ man_addspan(struct man *man, const struct tbl_span *sp) { struct man_node *n; + man_breakscope(man, MAN_MAX); n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX); n->span = sp; man_node_append(man, n); @@ -493,62 +495,11 @@ man_pmacro(struct man *man, int ln, char *buf, int offs) ln, offs - 1, NULL); /* - * Remove prior ELINE macro, as it's being clobbered 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. + * Some macros break next-line scopes; otherwise, remember + * whether we are in next-line scope for a block head. */ - if ( ! (man_macros[tok].flags & MAN_NSCOPED) && - man->flags & MAN_ELINE) { - n = man->last; - assert(MAN_TEXT != n->type); - - /* Remove repeated NSCOPED macros causing ELINE. */ - - if (man_macros[n->tok].flags & MAN_NSCOPED) - n = n->parent; - - mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, - n->pos, "%s breaks %s", man_macronames[tok], - man_macronames[n->tok]); - - man_node_delete(man, n); - man->flags &= ~MAN_ELINE; - } - - /* - * Remove prior BLINE macro that is being clobbered. - */ - if ((man->flags & MAN_BLINE) && - (man_macros[tok].flags & MAN_BSCOPE)) { - n = man->last; - - /* Might be a text node like 8 in - * .TP 8 - * .SH foo - */ - if (n->type == MAN_TEXT) - n = n->parent; - - /* Remove element that didn't end BLINE, if any. */ - if ( ! (man_macros[n->tok].flags & MAN_BSCOPE)) - n = n->parent; - - assert(n->type == MAN_HEAD); - n = n->parent; - assert(n->type == MAN_BLOCK); - assert(man_macros[n->tok].flags & MAN_SCOPED); - - mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, - n->pos, "%s breaks %s", man_macronames[tok], - man_macronames[n->tok]); - - man_node_delete(man, n); - man->flags &= ~MAN_BLINE; - } - - /* Remember whether we are in next-line scope for a block head. */ - + man_breakscope(man, tok); bline = man->flags & MAN_BLINE; /* Call to handler... */ @@ -583,6 +534,62 @@ man_pmacro(struct man *man, int ln, char *buf, int offs) return(1); } +void +man_breakscope(struct man *man, enum mant tok) +{ + struct man_node *n; + + /* + * An element next line scope is open, + * and the new macro is not allowed inside elements. + * Delete the element that is being broken. + */ + + if (man->flags & MAN_ELINE && (tok == MAN_MAX || + ! (man_macros[tok].flags & MAN_NSCOPED))) { + n = man->last; + assert(n->type != MAN_TEXT); + if (man_macros[n->tok].flags & MAN_NSCOPED) + n = n->parent; + + mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, + n->line, n->pos, "%s breaks %s", + tok == MAN_MAX ? "TS" : man_macronames[tok], + man_macronames[n->tok]); + + man_node_delete(man, n); + man->flags &= ~MAN_ELINE; + } + + /* + * A block header next line scope is open, + * and the new macro is not allowed inside block headers. + * Delete the block that is being broken. + */ + + if (man->flags & MAN_BLINE && (tok == MAN_MAX || + man_macros[tok].flags & MAN_BSCOPE)) { + n = man->last; + if (n->type == MAN_TEXT) + n = n->parent; + if ( ! (man_macros[n->tok].flags & MAN_BSCOPE)) + n = n->parent; + + assert(n->type == MAN_HEAD); + n = n->parent; + assert(n->type == MAN_BLOCK); + assert(man_macros[n->tok].flags & MAN_SCOPED); + + mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, + n->line, n->pos, "%s breaks %s", + tok == MAN_MAX ? "TS" : man_macronames[tok], + man_macronames[n->tok]); + + man_node_delete(man, n); + man->flags &= ~MAN_BLINE; + } +} + /* * Unlink a node from its context. If "man" is provided, the last parse * point will also be adjusted accordingly. |