From 05029c7503c717a26dc560fa56f566198ccdb707 Mon Sep 17 00:00:00 2001 From: Kristaps Dzonsons Date: Sun, 9 May 2010 10:17:02 +0000 Subject: Introduce ARGS_PEND for `It -column' end-of-line special casing. Initial rules for insane `It -column' tabsep handling. --- libmdoc.h | 5 +++-- mdoc_argv.c | 6 ++++-- mdoc_macro.c | 60 +++++++++++++++++++++++++++++++++++++++++++++--------------- 3 files changed, 52 insertions(+), 19 deletions(-) diff --git a/libmdoc.h b/libmdoc.h index dc90df13..395d7794 100644 --- a/libmdoc.h +++ b/libmdoc.h @@ -1,4 +1,4 @@ -/* $Id: libmdoc.h,v 1.39 2010/05/08 07:30:19 kristaps Exp $ */ +/* $Id: libmdoc.h,v 1.40 2010/05/09 10:17:02 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -118,7 +118,8 @@ enum margserr { ARGS_PUNCT, ARGS_QWORD, ARGS_PHRASE, - ARGS_PPHRASE + ARGS_PPHRASE, + ARGS_PEND }; enum margverr { diff --git a/mdoc_argv.c b/mdoc_argv.c index 8f973e21..ce67d6e9 100644 --- a/mdoc_argv.c +++ b/mdoc_argv.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_argv.c,v 1.43 2010/05/08 07:30:19 kristaps Exp $ */ +/* $Id: mdoc_argv.c,v 1.44 2010/05/09 10:17:02 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -471,8 +471,10 @@ args(struct mdoc *m, int line, int *pos, } else if (pp && ! p) { p = pp; *pos += 2; - } else + } else { + rc = ARGS_PEND; p = strchr(*v, 0); + } /* Whitespace check for eoln case... */ if (0 == *p && ' ' == *(p - 1) && ! (ARGS_NOWARN & fl)) diff --git a/mdoc_macro.c b/mdoc_macro.c index 5275f520..77b5860a 100644 --- a/mdoc_macro.c +++ b/mdoc_macro.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_macro.c,v 1.58 2010/05/08 07:30:19 kristaps Exp $ */ +/* $Id: mdoc_macro.c,v 1.59 2010/05/09 10:17:02 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -47,7 +47,8 @@ static int append_delims(struct mdoc *, int, int *, char *); static enum mdoct lookup(enum mdoct, const char *); static enum mdoct lookup_raw(const char *); -static int phrase(struct mdoc *, int, int, char *); +static int phrase(struct mdoc *, int, int, + char *, enum margserr, int); static enum mdoct rew_alt(enum mdoct); static int rew_dobreak(enum mdoct, const struct mdoc_node *); @@ -883,7 +884,7 @@ in_line(MACRO_PROT_ARGS) static int blk_full(MACRO_PROT_ARGS) { - int la; + int la, pcnt; struct mdoc_arg *arg; struct mdoc_node *head; /* save of head macro */ struct mdoc_node *body; /* save of body macro */ @@ -891,7 +892,7 @@ blk_full(MACRO_PROT_ARGS) struct mdoc_node *n; #endif enum mdoct ntok; - enum margserr ac; + enum margserr ac, lac; enum margverr av; char *p; @@ -952,8 +953,11 @@ blk_full(MACRO_PROT_ARGS) body = m->last; } - for (;;) { + ac = ARGS_ERROR; + + for (pcnt = 0; ; ) { la = *pos; + lac = ac; ac = mdoc_args(m, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) @@ -963,8 +967,10 @@ blk_full(MACRO_PROT_ARGS) /* Don't emit leading punct. for phrases. */ - if (NULL == head && ARGS_PHRASE != ac && + if (NULL == head && + ARGS_PHRASE != ac && ARGS_PPHRASE != ac && + ARGS_PEND != ac && ARGS_QWORD != ac && 1 == mdoc_isdelim(p)) { if ( ! mdoc_word_alloc(m, line, la, p)) @@ -974,15 +980,30 @@ blk_full(MACRO_PROT_ARGS) /* Always re-open head for phrases. */ - if (NULL == head || ARGS_PHRASE == ac || + if (NULL == head || + ARGS_PHRASE == ac || + ARGS_PEND == ac || ARGS_PPHRASE == ac) { if ( ! mdoc_head_alloc(m, line, ppos, tok)) return(0); head = m->last; } - if (ARGS_PHRASE == ac || ARGS_PPHRASE == ac) { - if ( ! phrase(m, line, la, buf)) + if (ARGS_PHRASE == ac || + ARGS_PEND == ac || + ARGS_PPHRASE == ac) { + /* + * Special treatment for the last phrase. A + * prior ARGS_PHRASE gets is handled as a + * regular ARGS_PHRASE, but a prior ARGS_PPHRASE + * has special handling. + */ + if (ARGS_PEND == ac && ARGS_ERROR == lac) + ac = ARGS_PHRASE; + else if (ARGS_PEND == ac && ARGS_PHRASE == lac) + ac = ARGS_PHRASE; + + if ( ! phrase(m, line, la, buf, ac, pcnt++)) return(0); if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) return(0); @@ -1505,25 +1526,34 @@ obsolete(MACRO_PROT_ARGS) * macro is encountered. */ static int -phrase(struct mdoc *m, int line, int ppos, char *buf) +phrase(struct mdoc *m, int line, int ppos, char *buf, + enum margserr ac, int count) { int la, pos; - enum margserr ac; + enum margserr aac; enum mdoct ntok; char *p; + assert(ARGS_PHRASE == ac || + ARGS_PEND == ac || + ARGS_PPHRASE == ac); + + if (count && ARGS_PPHRASE == ac) + return(mdoc_word_alloc(m, line, ppos, &buf[ppos])); + for (pos = ppos; ; ) { la = pos; /* Note: no calling context! */ - ac = mdoc_zargs(m, line, &pos, buf, 0, &p); + aac = mdoc_zargs(m, line, &pos, buf, 0, &p); - if (ARGS_ERROR == ac) + if (ARGS_ERROR == aac) return(0); - if (ARGS_EOLN == ac) + if (ARGS_EOLN == aac) break; - ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); + ntok = ARGS_QWORD == aac || ARGS_PEND == ac ? + MDOC_MAX : lookup_raw(p); if (MDOC_MAX == ntok) { if ( ! mdoc_word_alloc(m, line, la, p)) -- cgit v1.2.3-56-ge451