=================================================================== RCS file: /cvs/mandoc/mdoc_macro.c,v retrieving revision 1.61 retrieving revision 1.125 diff -u -p -r1.61 -r1.125 --- mandoc/mdoc_macro.c 2010/05/13 11:34:45 1.61 +++ mandoc/mdoc_macro.c 2013/12/24 20:45:27 1.125 @@ -1,6 +1,7 @@ -/* $Id: mdoc_macro.c,v 1.61 2010/05/13 11:34:45 kristaps Exp $ */ +/* $Id: mdoc_macro.c,v 1.125 2013/12/24 20:45:27 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008-2012 Kristaps Dzonsons + * Copyright (c) 2010, 2012, 2013 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -25,12 +26,18 @@ #include #include +#include "mdoc.h" +#include "mandoc.h" #include "libmdoc.h" +#include "libmandoc.h" -enum rew { - REWIND_REWIND, - REWIND_NOHALT, - REWIND_HALT +enum rew { /* see rew_dohalt() */ + REWIND_NONE, + REWIND_THIS, + REWIND_MORE, + REWIND_FORCE, + REWIND_LATER, + REWIND_ERROR }; static int blk_full(MACRO_PROT_ARGS); @@ -42,16 +49,18 @@ static int in_line_eoln(MACRO_PROT_ARGS); static int in_line_argn(MACRO_PROT_ARGS); static int in_line(MACRO_PROT_ARGS); static int obsolete(MACRO_PROT_ARGS); +static int phrase_ta(MACRO_PROT_ARGS); +static int dword(struct mdoc *, int, int, const char *, + enum mdelim, int); 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 *, enum margserr, int); +static int make_pending(struct mdoc_node *, enum mdoct, + struct mdoc *, int, int); +static int phrase(struct mdoc *, int, int, char *); static enum mdoct rew_alt(enum mdoct); -static int rew_dobreak(enum mdoct, - const struct mdoc_node *); static enum rew rew_dohalt(enum mdoct, enum mdoc_type, const struct mdoc_node *); static int rew_elem(struct mdoc *, enum mdoct); @@ -59,208 +68,177 @@ static int rew_last(struct mdoc *, const struct mdoc_node *); static int rew_sub(enum mdoc_type, struct mdoc *, enum mdoct, int, int); -static int swarn(struct mdoc *, enum mdoc_type, int, - int, const struct mdoc_node *); const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { - { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ + { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */ { in_line_eoln, MDOC_PROLOGUE }, /* Dd */ { in_line_eoln, MDOC_PROLOGUE }, /* Dt */ { in_line_eoln, MDOC_PROLOGUE }, /* Os */ - { blk_full, 0 }, /* Sh */ - { blk_full, 0 }, /* Ss */ - { in_line_eoln, 0 }, /* Pp */ - { blk_part_imp, MDOC_PARSED }, /* D1 */ - { blk_part_imp, MDOC_PARSED }, /* Dl */ + { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */ + { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */ + { in_line_eoln, 0 }, /* Pp */ + { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */ + { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */ { blk_full, MDOC_EXPLICIT }, /* Bd */ - { blk_exp_close, MDOC_EXPLICIT }, /* Ed */ + { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */ { blk_full, MDOC_EXPLICIT }, /* Bl */ - { blk_exp_close, MDOC_EXPLICIT }, /* El */ - { blk_full, MDOC_PARSED }, /* It */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* An */ + { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */ + { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ + { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cd */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ { in_line_eoln, 0 }, /* Ex */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ - { in_line_eoln, 0 }, /* Fd */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ + { in_line_eoln, 0 }, /* Fd */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ - { blk_full, 0 }, /* Nd */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ + { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */ + { blk_full, MDOC_JOIN }, /* Nd */ + { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ { obsolete, 0 }, /* Ot */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ { in_line_eoln, 0 }, /* Rv */ - { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ + { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ - { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ + { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ - { in_line_eoln, 0 }, /* %A */ - { in_line_eoln, 0 }, /* %B */ - { in_line_eoln, 0 }, /* %D */ - { in_line_eoln, 0 }, /* %I */ - { in_line_eoln, 0 }, /* %J */ + { in_line_eoln, MDOC_JOIN }, /* %A */ + { in_line_eoln, MDOC_JOIN }, /* %B */ + { in_line_eoln, MDOC_JOIN }, /* %D */ + { in_line_eoln, MDOC_JOIN }, /* %I */ + { in_line_eoln, MDOC_JOIN }, /* %J */ { in_line_eoln, 0 }, /* %N */ - { in_line_eoln, 0 }, /* %O */ + { in_line_eoln, MDOC_JOIN }, /* %O */ { in_line_eoln, 0 }, /* %P */ - { in_line_eoln, 0 }, /* %R */ - { in_line_eoln, 0 }, /* %T */ + { in_line_eoln, MDOC_JOIN }, /* %R */ + { in_line_eoln, MDOC_JOIN }, /* %T */ { in_line_eoln, 0 }, /* %V */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ - { blk_full, MDOC_EXPLICIT }, /* Bf */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */ + { blk_full, MDOC_EXPLICIT }, /* Bf */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ { in_line_eoln, 0 }, /* Db */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ - { blk_exp_close, MDOC_EXPLICIT }, /* Ef */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Do */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */ + { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */ + { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ - { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ - { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ + { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | + MDOC_IGNDELIM | MDOC_JOIN }, /* No */ + { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | + MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ - { blk_exp_close, MDOC_EXPLICIT }, /* Re */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Po */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */ + { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */ { blk_full, MDOC_EXPLICIT }, /* Rs */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* So */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */ { in_line_eoln, 0 }, /* Sm */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ + { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */ + { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ - { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */ + { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */ { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ - { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ + { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */ { blk_full, MDOC_EXPLICIT }, /* Bk */ - { blk_exp_close, MDOC_EXPLICIT }, /* Ek */ + { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */ { in_line_eoln, 0 }, /* Bt */ { in_line_eoln, 0 }, /* Hf */ { obsolete, 0 }, /* Fr */ { in_line_eoln, 0 }, /* Ud */ - { in_line_eoln, 0 }, /* Lb */ - { in_line_eoln, 0 }, /* Lp */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ - { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ - { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ - { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ - { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ - { in_line_eoln, 0 }, /* %C */ + { in_line, 0 }, /* Lb */ + { in_line_eoln, 0 }, /* Lp */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ + { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ + { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */ + { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */ + { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | + MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */ + { in_line_eoln, MDOC_JOIN }, /* %C */ { obsolete, 0 }, /* Es */ { obsolete, 0 }, /* En */ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */ - { in_line_eoln, 0 }, /* %Q */ + { in_line_eoln, MDOC_JOIN }, /* %Q */ { in_line_eoln, 0 }, /* br */ { in_line_eoln, 0 }, /* sp */ { in_line_eoln, 0 }, /* %U */ + { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */ }; const struct mdoc_macro * const mdoc_macros = __mdoc_macros; -static int -swarn(struct mdoc *mdoc, enum mdoc_type type, - int line, int pos, const struct mdoc_node *p) -{ - const char *n, *t, *tt; - - n = t = ""; - tt = "block"; - - switch (type) { - case (MDOC_BODY): - tt = "multi-line"; - break; - case (MDOC_HEAD): - tt = "line"; - break; - default: - break; - } - - switch (p->type) { - case (MDOC_BLOCK): - n = mdoc_macronames[p->tok]; - t = "block"; - break; - case (MDOC_BODY): - n = mdoc_macronames[p->tok]; - t = "multi-line"; - break; - case (MDOC_HEAD): - n = mdoc_macronames[p->tok]; - t = "line"; - break; - default: - break; - } - - if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) - return(mdoc_verr(mdoc, line, pos, - "%s scope breaks %s scope of %s", - tt, t, n)); - return(mdoc_vwarn(mdoc, line, pos, - "%s scope breaks %s scope of %s", - tt, t, n)); -} - - /* * This is called at the end of parsing. It must traverse up the tree, * closing out open [implicit] scopes. Obviously, open explicit scopes * are errors. */ int -mdoc_macroend(struct mdoc *m) +mdoc_macroend(struct mdoc *mdoc) { struct mdoc_node *n; /* Scan for open explicit scopes. */ - n = MDOC_VALID & m->last->flags ? m->last->parent : m->last; + n = MDOC_VALID & mdoc->last->flags ? + mdoc->last->parent : mdoc->last; - for ( ; n; n = n->parent) { - if (MDOC_BLOCK != n->type) - continue; - if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) - continue; - return(mdoc_nerr(m, n, EOPEN)); - } + for ( ; n; n = n->parent) + if (MDOC_BLOCK == n->type && + MDOC_EXPLICIT & mdoc_macros[n->tok].flags) + mdoc_nmsg(mdoc, n, MANDOCERR_SCOPEEXIT); /* Rewind to the first. */ - return(rew_last(m, m->first)); + return(rew_last(mdoc, mdoc->first)); } @@ -270,7 +248,6 @@ mdoc_macroend(struct mdoc *m) static enum mdoct lookup(enum mdoct from, const char *p) { - /* FIXME: make -diag lists be un-PARSED. */ if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) return(MDOC_MAX); @@ -297,29 +274,35 @@ lookup_raw(const char *p) static int rew_last(struct mdoc *mdoc, const struct mdoc_node *to) { + struct mdoc_node *n, *np; assert(to); mdoc->next = MDOC_NEXT_SIBLING; /* LINTED */ while (mdoc->last != to) { + /* + * Save the parent here, because we may delete the + * mdoc->last node in the post-validation phase and reset + * it to mdoc->last->parent, causing a step in the closing + * out to be lost. + */ + np = mdoc->last->parent; if ( ! mdoc_valid_post(mdoc)) return(0); - if ( ! mdoc_action_post(mdoc)) - return(0); - mdoc->last = mdoc->last->parent; + n = mdoc->last; + mdoc->last = np; assert(mdoc->last); + mdoc->last->last = n; } - if ( ! mdoc_valid_post(mdoc)) - return(0); - return(mdoc_action_post(mdoc)); + return(mdoc_valid_post(mdoc)); } /* - * Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its - * matching pair. + * For a block closing macro, return the corresponding opening one. + * Otherwise, return the macro itself. */ static enum mdoct rew_alt(enum mdoct tok) @@ -358,202 +341,119 @@ rew_alt(enum mdoct tok) case (MDOC_Xc): return(MDOC_Xo); default: - break; + return(tok); } - abort(); /* NOTREACHED */ } -/* - * Rewind rules. This indicates whether to stop rewinding - * (REWIND_HALT) without touching our current scope, stop rewinding and - * close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT). - * The scope-closing and so on occurs in the various rew_* routines. +/* + * Rewinding to tok, how do we have to handle *p? + * REWIND_NONE: *p would delimit tok, but no tok scope is open + * inside *p, so there is no need to rewind anything at all. + * REWIND_THIS: *p matches tok, so rewind *p and nothing else. + * REWIND_MORE: *p is implicit, rewind it and keep searching for tok. + * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p. + * REWIND_LATER: *p is explicit and still open, postpone rewinding. + * REWIND_ERROR: No tok block is open at all. */ static enum rew rew_dohalt(enum mdoct tok, enum mdoc_type type, const struct mdoc_node *p) { + /* + * No matching token, no delimiting block, no broken block. + * This can happen when full implicit macros are called for + * the first time but try to rewind their previous + * instance anyway. + */ if (MDOC_ROOT == p->type) - return(REWIND_HALT); - if (MDOC_VALID & p->flags) - return(REWIND_NOHALT); + return(MDOC_BLOCK == type && + MDOC_EXPLICIT & mdoc_macros[tok].flags ? + REWIND_ERROR : REWIND_NONE); + /* + * When starting to rewind, skip plain text + * and nodes that have already been rewound. + */ + if (MDOC_TEXT == p->type || MDOC_VALID & p->flags) + return(REWIND_MORE); + + /* + * The easiest case: Found a matching token. + * This applies to both blocks and elements. + */ + tok = rew_alt(tok); + if (tok == p->tok) + return(p->end ? REWIND_NONE : + type == p->type ? REWIND_THIS : REWIND_MORE); + + /* + * While elements do require rewinding for themselves, + * they never affect rewinding of other nodes. + */ + if (MDOC_ELEM == p->type) + return(REWIND_MORE); + + /* + * Blocks delimited by our target token get REWIND_MORE. + * Blocks delimiting our target token get REWIND_NONE. + */ switch (tok) { - case (MDOC_Aq): - /* FALLTHROUGH */ - case (MDOC_Bq): - /* FALLTHROUGH */ - case (MDOC_Brq): - /* FALLTHROUGH */ - case (MDOC_D1): - /* FALLTHROUGH */ - case (MDOC_Dl): - /* FALLTHROUGH */ - case (MDOC_Dq): - /* FALLTHROUGH */ - case (MDOC_Op): - /* FALLTHROUGH */ - case (MDOC_Pq): - /* FALLTHROUGH */ - case (MDOC_Ql): - /* FALLTHROUGH */ - case (MDOC_Qq): - /* FALLTHROUGH */ - case (MDOC_Sq): - /* FALLTHROUGH */ - case (MDOC_Vt): - assert(MDOC_TAIL != type); - if (type == p->type && tok == p->tok) - return(REWIND_REWIND); + case (MDOC_Bl): + if (MDOC_It == p->tok) + return(REWIND_MORE); break; case (MDOC_It): - assert(MDOC_TAIL != type); - if (type == p->type && tok == p->tok) - return(REWIND_REWIND); if (MDOC_BODY == p->type && MDOC_Bl == p->tok) - return(REWIND_HALT); + return(REWIND_NONE); break; - case (MDOC_Sh): - if (type == p->type && tok == p->tok) - return(REWIND_REWIND); + /* + * XXX Badly nested block handling still fails badly + * when one block is breaking two blocks of the same type. + * This is an incomplete and extremely ugly workaround, + * required to let the OpenBSD tree build. + */ + case (MDOC_Oo): + if (MDOC_Op == p->tok) + return(REWIND_MORE); break; + case (MDOC_Nm): + return(REWIND_NONE); case (MDOC_Nd): /* FALLTHROUGH */ case (MDOC_Ss): - assert(MDOC_TAIL != type); - if (type == p->type && tok == p->tok) - return(REWIND_REWIND); if (MDOC_BODY == p->type && MDOC_Sh == p->tok) - return(REWIND_HALT); - break; - case (MDOC_Ao): + return(REWIND_NONE); /* FALLTHROUGH */ - case (MDOC_Bd): - /* FALLTHROUGH */ - case (MDOC_Bf): - /* FALLTHROUGH */ - case (MDOC_Bk): - /* FALLTHROUGH */ - case (MDOC_Bl): - /* FALLTHROUGH */ - case (MDOC_Bo): - /* FALLTHROUGH */ - case (MDOC_Bro): - /* FALLTHROUGH */ - case (MDOC_Do): - /* FALLTHROUGH */ - case (MDOC_Eo): - /* FALLTHROUGH */ - case (MDOC_Fo): - /* FALLTHROUGH */ - case (MDOC_Oo): - /* FALLTHROUGH */ - case (MDOC_Po): - /* FALLTHROUGH */ - case (MDOC_Qo): - /* FALLTHROUGH */ - case (MDOC_Rs): - /* FALLTHROUGH */ - case (MDOC_So): - /* FALLTHROUGH */ - case (MDOC_Xo): - if (type == p->type && tok == p->tok) - return(REWIND_REWIND); - break; - /* Multi-line explicit scope close. */ - case (MDOC_Ac): - /* FALLTHROUGH */ - case (MDOC_Bc): - /* FALLTHROUGH */ - case (MDOC_Brc): - /* FALLTHROUGH */ - case (MDOC_Dc): - /* FALLTHROUGH */ - case (MDOC_Ec): - /* FALLTHROUGH */ - case (MDOC_Ed): - /* FALLTHROUGH */ - case (MDOC_Ek): - /* FALLTHROUGH */ - case (MDOC_El): - /* FALLTHROUGH */ - case (MDOC_Fc): - /* FALLTHROUGH */ - case (MDOC_Ef): - /* FALLTHROUGH */ - case (MDOC_Oc): - /* FALLTHROUGH */ - case (MDOC_Pc): - /* FALLTHROUGH */ - case (MDOC_Qc): - /* FALLTHROUGH */ - case (MDOC_Re): - /* FALLTHROUGH */ - case (MDOC_Sc): - /* FALLTHROUGH */ - case (MDOC_Xc): - if (type == p->type && rew_alt(tok) == p->tok) - return(REWIND_REWIND); - break; - default: - abort(); - /* NOTREACHED */ - } - - return(REWIND_NOHALT); -} - - -/* - * See if we can break an encountered scope (the rew_dohalt has returned - * REWIND_NOHALT). - */ -static int -rew_dobreak(enum mdoct tok, const struct mdoc_node *p) -{ - - assert(MDOC_ROOT != p->type); - if (MDOC_ELEM == p->type) - return(1); - if (MDOC_TEXT == p->type) - return(1); - if (MDOC_VALID & p->flags) - return(1); - - switch (tok) { - case (MDOC_It): - return(MDOC_It == p->tok); - case (MDOC_Nd): - return(MDOC_Nd == p->tok); - case (MDOC_Ss): - return(MDOC_Ss == p->tok); case (MDOC_Sh): - if (MDOC_Nd == p->tok) - return(1); - if (MDOC_Ss == p->tok) - return(1); - return(MDOC_Sh == p->tok); - case (MDOC_El): - if (MDOC_It == p->tok) - return(1); + if (MDOC_Nd == p->tok || MDOC_Ss == p->tok || + MDOC_Sh == p->tok) + return(REWIND_MORE); break; - case (MDOC_Oc): - if (MDOC_Op == p->tok) - return(1); - break; default: break; } - if (MDOC_EXPLICIT & mdoc_macros[tok].flags) - return(p->tok == rew_alt(tok)); - else if (MDOC_BLOCK == p->type) - return(1); + /* + * Default block rewinding rules. + * In particular, always skip block end markers, + * and let all blocks rewind Nm children. + */ + if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok || + (MDOC_BLOCK == p->type && + ! (MDOC_EXPLICIT & mdoc_macros[tok].flags))) + return(REWIND_MORE); - return(tok == p->tok); + /* + * By default, closing out full blocks + * forces closing of broken explicit blocks, + * while closing out partial blocks + * allows delayed rewinding by default. + */ + return (&blk_full == mdoc_macros[tok].fp ? + REWIND_FORCE : REWIND_LATER); } @@ -572,75 +472,219 @@ rew_elem(struct mdoc *mdoc, enum mdoct tok) } +/* + * We are trying to close a block identified by tok, + * but the child block *broken is still open. + * Thus, postpone closing the tok block + * until the rew_sub call closing *broken. + */ static int -rew_sub(enum mdoc_type t, struct mdoc *m, +make_pending(struct mdoc_node *broken, enum mdoct tok, + struct mdoc *mdoc, int line, int ppos) +{ + struct mdoc_node *breaker; + + /* + * Iterate backwards, searching for the block matching tok, + * that is, the block breaking the *broken block. + */ + for (breaker = broken->parent; breaker; breaker = breaker->parent) { + + /* + * If the *broken block had already been broken before + * and we encounter its breaker, make the tok block + * pending on the inner breaker. + * Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]" + * becomes "[A broken=[B [C->B B] tok=A] C]" + * and finally "[A [B->A [C->B B] A] C]". + */ + if (breaker == broken->pending) { + broken = breaker; + continue; + } + + if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker)) + continue; + if (MDOC_BODY == broken->type) + broken = broken->parent; + + /* + * Found the breaker. + * If another, outer breaker is already pending on + * the *broken block, we must not clobber the link + * to the outer breaker, but make it pending on the + * new, now inner breaker. + * Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]" + * becomes "[A breaker=[B->A broken=[C A] tok=B] C]" + * and finally "[A [B->A [C->B A] B] C]". + */ + if (broken->pending) { + struct mdoc_node *taker; + + /* + * If the breaker had also been broken before, + * it cannot take on the outer breaker itself, + * but must hand it on to its own breakers. + * Graphically, this is the following situation: + * "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]" + * "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]" + */ + taker = breaker; + while (taker->pending) + taker = taker->pending; + taker->pending = broken->pending; + } + broken->pending = breaker; + mandoc_vmsg(MANDOCERR_SCOPENEST, mdoc->parse, line, ppos, + "%s breaks %s", mdoc_macronames[tok], + mdoc_macronames[broken->tok]); + return(1); + } + + /* + * Found no matching block for tok. + * Are you trying to close a block that is not open? + */ + return(0); +} + + +static int +rew_sub(enum mdoc_type t, struct mdoc *mdoc, enum mdoct tok, int line, int ppos) { struct mdoc_node *n; - enum rew c; - /* LINTED */ - for (n = m->last; n; n = n->parent) { - c = rew_dohalt(tok, t, n); - if (REWIND_HALT == c) { - if (MDOC_BLOCK != t) - return(1); - if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) - return(1); - return(mdoc_perr(m, line, ppos, ENOCTX)); - } - if (REWIND_REWIND == c) + n = mdoc->last; + while (n) { + switch (rew_dohalt(tok, t, n)) { + case (REWIND_NONE): + return(1); + case (REWIND_THIS): + n->lastline = line - + (MDOC_NEWLINE & mdoc->flags && + ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); break; - else if (rew_dobreak(tok, n)) + case (REWIND_FORCE): + mandoc_vmsg(MANDOCERR_SCOPEBROKEN, mdoc->parse, + line, ppos, "%s breaks %s", + mdoc_macronames[tok], + mdoc_macronames[n->tok]); + /* FALLTHROUGH */ + case (REWIND_MORE): + n->lastline = line - + (MDOC_NEWLINE & mdoc->flags ? 1 : 0); + n = n->parent; continue; - if ( ! swarn(m, t, line, ppos, n)) - return(0); + case (REWIND_LATER): + if (make_pending(n, tok, mdoc, line, ppos) || + MDOC_BLOCK != t) + return(1); + /* FALLTHROUGH */ + case (REWIND_ERROR): + mdoc_pmsg(mdoc, line, ppos, MANDOCERR_NOSCOPE); + return(1); + } + break; } assert(n); - if ( ! rew_last(m, n)) + if ( ! rew_last(mdoc, n)) return(0); -#ifdef UGLY /* - * The current block extends an enclosing block beyond a line - * break. Now that the current block ends, close the enclosing - * block, too. + * The current block extends an enclosing block. + * Now that the current block ends, close the enclosing block, too. */ - if (NULL != (n = n->pending)) { - assert(MDOC_HEAD == n->type); - if ( ! rew_last(m, n)) + while (NULL != (n = n->pending)) { + if ( ! rew_last(mdoc, n)) return(0); - if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok)) + if (MDOC_HEAD == n->type && + ! mdoc_body_alloc(mdoc, n->line, n->pos, n->tok)) return(0); } -#endif return(1); } +/* + * Allocate a word and check whether it's punctuation or not. + * Punctuation consists of those tokens found in mdoc_isdelim(). + */ +static int +dword(struct mdoc *mdoc, int line, int col, const char *p, + enum mdelim d, int may_append) +{ + + if (DELIM_MAX == d) + d = mdoc_isdelim(p); + if (may_append && + ! ((MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF) & mdoc->flags) && + DELIM_NONE == d && MDOC_TEXT == mdoc->last->type && + DELIM_NONE == mdoc_isdelim(mdoc->last->string)) { + mdoc_word_append(mdoc, p); + return(1); + } + + if ( ! mdoc_word_alloc(mdoc, line, col, p)) + return(0); + + if (DELIM_OPEN == d) + mdoc->last->flags |= MDOC_DELIMO; + + /* + * Closing delimiters only suppress the preceding space + * when they follow something, not when they start a new + * block or element, and not when they follow `No'. + * + * XXX Explicitly special-casing MDOC_No here feels + * like a layering violation. Find a better way + * and solve this in the code related to `No'! + */ + + else if (DELIM_CLOSE == d && mdoc->last->prev && + mdoc->last->prev->tok != MDOC_No && + mdoc->last->parent->tok != MDOC_Fd) + mdoc->last->flags |= MDOC_DELIMC; + + return(1); +} + static int append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) { - int lastarg; + int la; enum margserr ac; char *p; - if (0 == buf[*pos]) + if ('\0' == buf[*pos]) return(1); for (;;) { - lastarg = *pos; - ac = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p); + la = *pos; + ac = mdoc_zargs(mdoc, line, pos, buf, &p); if (ARGS_ERROR == ac) return(0); else if (ARGS_EOLN == ac) break; - assert(mdoc_isdelim(p)); - if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) - return(0); + + dword(mdoc, line, la, p, DELIM_MAX, 1); + + /* + * If we encounter end-of-sentence symbols, then trigger + * the double-space. + * + * XXX: it's easy to allow this to propagate outward to + * the last symbol, such that `. )' will cause the + * correct double-spacing. However, (1) groff isn't + * smart enough to do this and (2) it would require + * knowing which symbols break this behaviour, for + * example, `. ;' shouldn't propagate the double-space. + */ + if (mandoc_eos(p, strlen(p), 0)) + mdoc->last->flags |= MDOC_EOS; } return(1); @@ -653,49 +697,114 @@ append_delims(struct mdoc *mdoc, int line, int *pos, c static int blk_exp_close(MACRO_PROT_ARGS) { + struct mdoc_node *body; /* Our own body. */ + struct mdoc_node *later; /* A sub-block starting later. */ + struct mdoc_node *n; /* For searching backwards. */ + int j, lastarg, maxargs, flushed, nl; enum margserr ac; - enum mdoct ntok; + enum mdoct atok, ntok; char *p; - nl = MDOC_NEWLINE & m->flags; + nl = MDOC_NEWLINE & mdoc->flags; switch (tok) { case (MDOC_Ec): maxargs = 1; break; + case (MDOC_Ek): + mdoc->flags &= ~MDOC_KEEP; default: maxargs = 0; break; } + /* + * Search backwards for beginnings of blocks, + * both of our own and of pending sub-blocks. + */ + atok = rew_alt(tok); + body = later = NULL; + for (n = mdoc->last; n; n = n->parent) { + if (MDOC_VALID & n->flags) + continue; + + /* Remember the start of our own body. */ + if (MDOC_BODY == n->type && atok == n->tok) { + if (ENDBODY_NOT == n->end) + body = n; + continue; + } + + if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok) + continue; + if (atok == n->tok) { + assert(body); + + /* + * Found the start of our own block. + * When there is no pending sub block, + * just proceed to closing out. + */ + if (NULL == later) + break; + + /* + * When there is a pending sub block, + * postpone closing out the current block + * until the rew_sub() closing out the sub-block. + */ + make_pending(later, tok, mdoc, line, ppos); + + /* + * Mark the place where the formatting - but not + * the scope - of the current block ends. + */ + if ( ! mdoc_endbody_alloc(mdoc, line, ppos, + atok, body, ENDBODY_SPACE)) + return(0); + break; + } + + /* + * When finding an open sub block, remember the last + * open explicit block, or, in case there are only + * implicit ones, the first open implicit block. + */ + if (later && + MDOC_EXPLICIT & mdoc_macros[later->tok].flags) + continue; + if (MDOC_It != n->tok) + later = n; + } + if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { + /* FIXME: do this in validate */ if (buf[*pos]) - if ( ! mdoc_pwarn(m, line, ppos, ENOLINE)) - return(0); + mdoc_pmsg(mdoc, line, ppos, MANDOCERR_ARGSLOST); - if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) return(0); - return(rew_sub(MDOC_BLOCK, m, tok, line, ppos)); + return(rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)); } - if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) return(0); - if (maxargs > 0) - if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) + if (NULL == later && maxargs > 0) + if ( ! mdoc_tail_alloc(mdoc, line, ppos, rew_alt(tok))) return(0); for (flushed = j = 0; ; j++) { lastarg = *pos; if (j == maxargs && ! flushed) { - if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) return(0); flushed = 1; } - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -707,41 +816,46 @@ blk_exp_close(MACRO_PROT_ARGS) ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, lastarg, p)) + if ( ! dword(mdoc, line, lastarg, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); continue; } if ( ! flushed) { - if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) return(0); flushed = 1; } - if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf)) + + mdoc->flags &= ~MDOC_NEWLINE; + + if ( ! mdoc_macro(mdoc, ntok, line, lastarg, pos, buf)) return(0); break; } - if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) + if ( ! flushed && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) return(0); if ( ! nl) return(1); - return(append_delims(m, line, pos, buf)); + return(append_delims(mdoc, line, pos, buf)); } static int in_line(MACRO_PROT_ARGS) { - int la, lastpunct, cnt, d, nc, nl; + int la, scope, cnt, nc, nl; enum margverr av; enum mdoct ntok; enum margserr ac; + enum mdelim d; struct mdoc_arg *arg; char *p; - nl = MDOC_NEWLINE & m->flags; + nl = MDOC_NEWLINE & mdoc->flags; /* * Whether we allow ignored elements (those without content, @@ -755,7 +869,7 @@ in_line(MACRO_PROT_ARGS) /* FALLTHROUGH */ case (MDOC_Fl): /* FALLTHROUGH */ - case (MDOC_Lk): + case (MDOC_Mt): /* FALLTHROUGH */ case (MDOC_Nm): /* FALLTHROUGH */ @@ -769,7 +883,7 @@ in_line(MACRO_PROT_ARGS) for (arg = NULL;; ) { la = *pos; - av = mdoc_argv(m, line, tok, &arg, pos, buf); + av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); if (ARGV_WORD == av) { *pos = la; @@ -784,9 +898,9 @@ in_line(MACRO_PROT_ARGS) return(0); } - for (cnt = 0, lastpunct = 1;; ) { + for (cnt = scope = 0;; ) { la = *pos; - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -805,23 +919,25 @@ in_line(MACRO_PROT_ARGS) */ if (MDOC_MAX != ntok) { - if (0 == lastpunct && ! rew_elem(m, tok)) + if (scope && ! rew_elem(mdoc, tok)) return(0); if (nc && 0 == cnt) { - if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) + if ( ! mdoc_elem_alloc(mdoc, line, + ppos, tok, arg)) return(0); - if ( ! rew_last(m, m->last)) + if ( ! rew_last(mdoc, mdoc->last)) return(0); } else if ( ! nc && 0 == cnt) { mdoc_argv_free(arg); - if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) - return(0); + mdoc_pmsg(mdoc, line, ppos, + MANDOCERR_MACROEMPTY); } - if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) + + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) return(0); if ( ! nl) return(1); - return(append_delims(m, line, pos, buf)); + return(append_delims(mdoc, line, pos, buf)); } /* @@ -830,21 +946,45 @@ in_line(MACRO_PROT_ARGS) * the word. */ - d = ARGS_QWORD == ac ? 0 : mdoc_isdelim(p); + d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p); - if (ARGS_QWORD != ac && d) { - if (0 == lastpunct && ! rew_elem(m, tok)) + if (DELIM_NONE != d) { + /* + * If we encounter closing punctuation, no word + * has been omitted, no scope is open, and we're + * allowed to have an empty element, then start + * a new scope. `Ar', `Fl', and `Li', only do + * this once per invocation. There may be more + * of these (all of them?). + */ + if (0 == cnt && (nc || MDOC_Li == tok) && + DELIM_CLOSE == d && ! scope) { + if ( ! mdoc_elem_alloc(mdoc, line, + ppos, tok, arg)) + return(0); + if (MDOC_Ar == tok || MDOC_Li == tok || + MDOC_Fl == tok) + cnt++; + scope = 1; + } + /* + * Close out our scope, if one is open, before + * any punctuation. + */ + if (scope && ! rew_elem(mdoc, tok)) return(0); - lastpunct = 1; - } else if (lastpunct) { - if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) + scope = 0; + } else if ( ! scope) { + if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) return(0); - lastpunct = 0; + scope = 1; } - if ( ! d) + if (DELIM_NONE == d) cnt++; - if ( ! mdoc_word_alloc(m, line, la, p)) + + if ( ! dword(mdoc, line, la, p, d, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); /* @@ -852,14 +992,14 @@ in_line(MACRO_PROT_ARGS) * word so that the `-' can be added to each one without * having to parse out spaces. */ - if (0 == lastpunct && MDOC_Fl == tok) { - if ( ! rew_elem(m, tok)) + if (scope && MDOC_Fl == tok) { + if ( ! rew_elem(mdoc, tok)) return(0); - lastpunct = 1; + scope = 0; } } - if (0 == lastpunct && ! rew_elem(m, tok)) + if (scope && ! rew_elem(mdoc, tok)) return(0); /* @@ -869,48 +1009,48 @@ in_line(MACRO_PROT_ARGS) */ if (nc && 0 == cnt) { - if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) + if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) return(0); - if ( ! rew_last(m, m->last)) + if ( ! rew_last(mdoc, mdoc->last)) return(0); } else if ( ! nc && 0 == cnt) { mdoc_argv_free(arg); - if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) - return(0); + mdoc_pmsg(mdoc, line, ppos, MANDOCERR_MACROEMPTY); } if ( ! nl) return(1); - return(append_delims(m, line, pos, buf)); + return(append_delims(mdoc, line, pos, buf)); } static int blk_full(MACRO_PROT_ARGS) { - int la, pcnt; + int la, nl, nparsed; struct mdoc_arg *arg; struct mdoc_node *head; /* save of head macro */ struct mdoc_node *body; /* save of body macro */ -#ifdef UGLY struct mdoc_node *n; -#endif + enum mdoc_type mtt; enum mdoct ntok; enum margserr ac, lac; enum margverr av; char *p; + nl = MDOC_NEWLINE & mdoc->flags; + /* Close out prior implicit scope. */ if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { - if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) return(0); - if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) return(0); } /* - * This routine accomodates implicitly- and explicitly-scoped + * This routine accommodates implicitly- and explicitly-scoped * macro openings. Implicit ones first close out prior scope * (seen above). Delay opening the head until necessary to * allow leading punctuation to print. Special consideration @@ -920,7 +1060,7 @@ blk_full(MACRO_PROT_ARGS) for (arg = NULL;; ) { la = *pos; - av = mdoc_argv(m, line, tok, &arg, pos, buf); + av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); if (ARGV_WORD == av) { *pos = la; @@ -936,136 +1076,191 @@ blk_full(MACRO_PROT_ARGS) return(0); } - if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) + if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) return(0); head = body = NULL; /* + * Exception: Heads of `It' macros in `-diag' lists are not + * parsed, even though `It' macros in general are parsed. + */ + nparsed = MDOC_It == tok && + MDOC_Bl == mdoc->last->parent->tok && + LIST_diag == mdoc->last->parent->norm->Bl.type; + + /* * The `Nd' macro has all arguments in its body: it's a hybrid * of block partial-explicit and full-implicit. Stupid. */ if (MDOC_Nd == tok) { - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - head = m->last; - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + head = mdoc->last; + if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) return(0); - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); - body = m->last; - } + body = mdoc->last; + } + if (MDOC_Bk == tok) + mdoc->flags |= MDOC_KEEP; + ac = ARGS_ERROR; - for (pcnt = 0; ; ) { + for ( ; ; ) { la = *pos; - lac = ac; - ac = mdoc_args(m, line, pos, buf, tok, &p); + /* Initialise last-phrase-type with ARGS_PEND. */ + lac = ARGS_ERROR == ac ? ARGS_PEND : ac; + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); + if (ARGS_PUNCT == ac) + break; + if (ARGS_ERROR == ac) return(0); - if (ARGS_EOLN == ac) + + if (ARGS_EOLN == ac) { + if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac) + break; + /* + * This is necessary: if the last token on a + * line is a `Ta' or tab, then we'll get + * ARGS_EOLN, so we must be smart enough to + * reopen our scope if the last parse was a + * phrase or partial phrase. + */ + if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) + return(0); + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) + return(0); + body = mdoc->last; break; + } - /* Don't emit leading punct. for phrases. */ + /* + * Emit leading punctuation (i.e., punctuation before + * the MDOC_HEAD) for non-phrase types. + */ if (NULL == head && + ARGS_PEND != ac && ARGS_PHRASE != ac && ARGS_PPHRASE != ac && - ARGS_PEND != ac && ARGS_QWORD != ac && - 1 == mdoc_isdelim(p)) { - if ( ! mdoc_word_alloc(m, line, la, p)) + DELIM_OPEN == mdoc_isdelim(p)) { + if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) return(0); continue; } - /* Always re-open head for phrases. */ + /* Open a head if one hasn't been opened. */ - if (NULL == head || - ARGS_PHRASE == ac || - ARGS_PEND == ac || - ARGS_PPHRASE == ac) { - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if (NULL == head) { + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - head = m->last; + head = mdoc->last; } 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 we haven't opened a body yet, rewind the + * head; if we have, rewind that instead. */ - 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++)) + mtt = body ? MDOC_BODY : MDOC_HEAD; + if ( ! rew_sub(mtt, mdoc, tok, line, ppos)) return(0); - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + + /* Then allocate our body context. */ + + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); + body = mdoc->last; + + /* + * Process phrases: set whether we're in a + * partial-phrase (this effects line handling) + * then call down into the phrase parser. + */ + + if (ARGS_PPHRASE == ac) + mdoc->flags |= MDOC_PPHRASE; + if (ARGS_PEND == ac && ARGS_PPHRASE == lac) + mdoc->flags |= MDOC_PPHRASE; + + if ( ! phrase(mdoc, line, la, buf)) + return(0); + + mdoc->flags &= ~MDOC_PPHRASE; continue; } - ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); + ntok = nparsed || ARGS_QWORD == ac ? + MDOC_MAX : lookup(tok, p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); continue; } - if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) return(0); break; } if (NULL == head) { - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - head = m->last; + head = mdoc->last; } - if (1 == ppos && ! append_delims(m, line, pos, buf)) + if (nl && ! append_delims(mdoc, line, pos, buf)) return(0); /* If we've already opened our body, exit now. */ if (NULL != body) - return(1); + goto out; -#ifdef UGLY /* * If there is an open (i.e., unvalidated) sub-block requiring * explicit close-out, postpone switching the current block from * head to body until the rew_sub() call closing out that * sub-block. */ - for (n = m->last; n && n != head; n = n->parent) { + for (n = mdoc->last; n && n != head; n = n->parent) { if (MDOC_BLOCK == n->type && MDOC_EXPLICIT & mdoc_macros[n->tok].flags && ! (MDOC_VALID & n->flags)) { - assert( ! (MDOC_ACTED & n->flags)); n->pending = head; return(1); } } -#endif /* Close out scopes to remain in a consistent state. */ - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) return(0); - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); +out: + if ( ! (MDOC_FREECOL & mdoc->flags)) + return(1); + + if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) + return(0); + if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) + return(0); + + mdoc->flags &= ~MDOC_FREECOL; return(1); } @@ -1073,7 +1268,7 @@ blk_full(MACRO_PROT_ARGS) static int blk_part_imp(MACRO_PROT_ARGS) { - int la; + int la, nl; enum mdoct ntok; enum margserr ac; char *p; @@ -1081,6 +1276,8 @@ blk_part_imp(MACRO_PROT_ARGS) struct mdoc_node *body; /* saved body context */ struct mdoc_node *n; + nl = MDOC_NEWLINE & mdoc->flags; + /* * A macro that spans to the end of the line. This is generally * (but not necessarily) called as the first macro. The block @@ -1090,14 +1287,14 @@ blk_part_imp(MACRO_PROT_ARGS) * or more closing punctuation nodes. */ - if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) + if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) return(0); - blk = m->last; + blk = mdoc->last; - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) return(0); /* @@ -1108,7 +1305,7 @@ blk_part_imp(MACRO_PROT_ARGS) for (body = NULL; ; ) { la = *pos; - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -1118,27 +1315,28 @@ blk_part_imp(MACRO_PROT_ARGS) break; if (NULL == body && ARGS_QWORD != ac && - 1 == mdoc_isdelim(p)) { - if ( ! mdoc_word_alloc(m, line, la, p)) + DELIM_OPEN == mdoc_isdelim(p)) { + if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) return(0); continue; - } + } if (NULL == body) { - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); - body = m->last; + body = mdoc->last; } ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); continue; } - if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) return(0); break; } @@ -1146,37 +1344,78 @@ blk_part_imp(MACRO_PROT_ARGS) /* Clean-ups to leave in a consistent state. */ if (NULL == body) { - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); - body = m->last; + body = mdoc->last; } + for (n = body->child; n && n->next; n = n->next) + /* Do nothing. */ ; + /* + * End of sentence spacing: if the last node is a text node and + * has a trailing period, then mark it as being end-of-sentence. + */ + + if (n && MDOC_TEXT == n->type && n->string) + if (mandoc_eos(n->string, strlen(n->string), 1)) + n->flags |= MDOC_EOS; + + /* Up-propagate the end-of-space flag. */ + + if (n && (MDOC_EOS & n->flags)) { + body->flags |= MDOC_EOS; + body->parent->flags |= MDOC_EOS; + } + + /* + * If there is an open sub-block requiring explicit close-out, + * postpone closing out the current block + * until the rew_sub() call closing out the sub-block. + */ + for (n = mdoc->last; n && n != body && n != blk->parent; + n = n->parent) { + if (MDOC_BLOCK == n->type && + MDOC_EXPLICIT & mdoc_macros[n->tok].flags && + ! (MDOC_VALID & n->flags)) { + make_pending(n, tok, mdoc, line, ppos); + if ( ! mdoc_endbody_alloc(mdoc, line, ppos, + tok, body, ENDBODY_NOSPACE)) + return(0); + return(1); + } + } + + /* * If we can't rewind to our body, then our scope has already * been closed by another macro (like `Oc' closing `Op'). This * is ugly behaviour nodding its head to OpenBSD's overwhelming * crufty use of `Op' breakage. */ - for (n = m->last; n; n = n->parent) - if (body == n) - break; + if (n != body) + mandoc_vmsg(MANDOCERR_SCOPENEST, mdoc->parse, line, ppos, + "%s broken", mdoc_macronames[tok]); - if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK)) + if (n && ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) return(0); - if (n && ! rew_last(m, body)) - return(0); - /* Standard appending of delimiters. */ - if (1 == ppos && ! append_delims(m, line, pos, buf)) + if (nl && ! append_delims(mdoc, line, pos, buf)) return(0); /* Rewind scope, if applicable. */ - if (n && ! rew_last(m, blk)) + if (n && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) return(0); + /* Move trailing .Ns out of scope. */ + + for (n = body->child; n && n->next; n = n->next) + /* Do nothing. */ ; + if (n && MDOC_Ns == n->tok) + mdoc_node_relink(mdoc, n); + return(1); } @@ -1191,7 +1430,7 @@ blk_part_exp(MACRO_PROT_ARGS) char *p; enum mdoct ntok; - nl = MDOC_NEWLINE & m->flags; + nl = MDOC_NEWLINE & mdoc->flags; /* * The opening of an explicit macro having zero or more leading @@ -1199,12 +1438,12 @@ blk_part_exp(MACRO_PROT_ARGS) * case of `Eo'); and a body that may be empty. */ - if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) + if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) return(0); for (head = body = NULL; ; ) { la = *pos; - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -1216,18 +1455,18 @@ blk_part_exp(MACRO_PROT_ARGS) /* Flush out leading punctuation. */ if (NULL == head && ARGS_QWORD != ac && - 1 == mdoc_isdelim(p)) { + DELIM_OPEN == mdoc_isdelim(p)) { assert(NULL == body); - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) return(0); continue; - } + } if (NULL == head) { assert(NULL == body); - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - head = m->last; + head = mdoc->last; } /* @@ -1239,14 +1478,14 @@ blk_part_exp(MACRO_PROT_ARGS) assert(head); /* No check whether it's a macro! */ if (MDOC_Eo == tok) - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, 0)) return(0); - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) return(0); - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); - body = m->last; + body = mdoc->last; if (MDOC_Eo == tok) continue; @@ -1257,37 +1496,35 @@ blk_part_exp(MACRO_PROT_ARGS) ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); continue; } - if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) return(0); break; } /* Clean-up to leave in a consistent state. */ - if (NULL == head) { - if ( ! mdoc_head_alloc(m, line, ppos, tok)) + if (NULL == head) + if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) return(0); - head = m->last; - } if (NULL == body) { - if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) + if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) return(0); - if ( ! mdoc_body_alloc(m, line, ppos, tok)) + if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) return(0); - body = m->last; } /* Standard appending of delimiters. */ if ( ! nl) return(1); - return(append_delims(m, line, pos, buf)); + return(append_delims(mdoc, line, pos, buf)); } @@ -1302,7 +1539,7 @@ in_line_argn(MACRO_PROT_ARGS) char *p; enum mdoct ntok; - nl = MDOC_NEWLINE & m->flags; + nl = MDOC_NEWLINE & mdoc->flags; /* * A line macro that has a fixed number of arguments (maxargs). @@ -1322,6 +1559,8 @@ in_line_argn(MACRO_PROT_ARGS) case (MDOC_Ux): maxargs = 0; break; + case (MDOC_Bx): + /* FALLTHROUGH */ case (MDOC_Xr): maxargs = 2; break; @@ -1332,7 +1571,7 @@ in_line_argn(MACRO_PROT_ARGS) for (arg = NULL; ; ) { la = *pos; - av = mdoc_argv(m, line, tok, &arg, pos, buf); + av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); if (ARGV_WORD == av) { *pos = la; @@ -1350,7 +1589,7 @@ in_line_argn(MACRO_PROT_ARGS) for (flushed = j = 0; ; ) { la = *pos; - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -1360,17 +1599,17 @@ in_line_argn(MACRO_PROT_ARGS) break; if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && - ARGS_QWORD != ac && - 0 == j && 1 == mdoc_isdelim(p)) { - if ( ! mdoc_word_alloc(m, line, la, p)) + ARGS_QWORD != ac && 0 == j && + DELIM_OPEN == mdoc_isdelim(p)) { + if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) return(0); continue; } else if (0 == j) - if ( ! mdoc_elem_alloc(m, line, la, tok, arg)) + if ( ! mdoc_elem_alloc(mdoc, line, la, tok, arg)) return(0); if (j == maxargs && ! flushed) { - if ( ! rew_elem(m, tok)) + if ( ! rew_elem(mdoc, tok)) return(0); flushed = 1; } @@ -1378,10 +1617,10 @@ in_line_argn(MACRO_PROT_ARGS) ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); if (MDOC_MAX != ntok) { - if ( ! flushed && ! rew_elem(m, tok)) + if ( ! flushed && ! rew_elem(mdoc, tok)) return(0); flushed = 1; - if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) return(0); j++; break; @@ -1389,43 +1628,29 @@ in_line_argn(MACRO_PROT_ARGS) if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && ARGS_QWORD != ac && - ! flushed && mdoc_isdelim(p)) { - if ( ! rew_elem(m, tok)) + ! flushed && + DELIM_NONE != mdoc_isdelim(p)) { + if ( ! rew_elem(mdoc, tok)) return(0); flushed = 1; } - /* - * XXX: this is a hack to work around groff's ugliness - * as regards `Xr' and extraneous arguments. It should - * ideally be deprecated behaviour, but because this is - * code is no here, it's unlikely to be removed. - */ - -#ifdef __OpenBSD__ - if (MDOC_Xr == tok && j == maxargs) { - if ( ! mdoc_elem_alloc(m, line, la, MDOC_Ns, NULL)) - return(0); - if ( ! rew_elem(m, MDOC_Ns)) - return(0); - } -#endif - - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); j++; } - if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg)) + if (0 == j && ! mdoc_elem_alloc(mdoc, line, la, tok, arg)) return(0); /* Close out in a consistent state. */ - if ( ! flushed && ! rew_elem(m, tok)) + if ( ! flushed && ! rew_elem(mdoc, tok)) return(0); if ( ! nl) return(1); - return(append_delims(m, line, pos, buf)); + return(append_delims(mdoc, line, pos, buf)); } @@ -1441,11 +1666,14 @@ in_line_eoln(MACRO_PROT_ARGS) assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); + if (tok == MDOC_Pp) + rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos); + /* Parse macro arguments. */ for (arg = NULL; ; ) { la = *pos; - av = mdoc_argv(m, line, tok, &arg, pos, buf); + av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); if (ARGV_WORD == av) { *pos = la; @@ -1462,14 +1690,14 @@ in_line_eoln(MACRO_PROT_ARGS) /* Open element scope. */ - if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) + if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) return(0); /* Parse argument terms. */ for (;;) { la = *pos; - ac = mdoc_args(m, line, pos, buf, tok, &p); + ac = mdoc_args(mdoc, line, pos, buf, tok, &p); if (ARGS_ERROR == ac) return(0); @@ -1479,19 +1707,20 @@ in_line_eoln(MACRO_PROT_ARGS) ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) return(0); continue; } - if ( ! rew_elem(m, tok)) + if ( ! rew_elem(mdoc, tok)) return(0); - return(mdoc_macro(m, ntok, line, la, pos, buf)); + return(mdoc_macro(mdoc, ntok, line, la, pos, buf)); } /* Close out (no delimiters). */ - return(rew_elem(m, tok)); + return(rew_elem(mdoc, tok)); } @@ -1501,23 +1730,25 @@ ctx_synopsis(MACRO_PROT_ARGS) { int nl; - nl = MDOC_NEWLINE & m->flags; + nl = MDOC_NEWLINE & mdoc->flags; /* If we're not in the SYNOPSIS, go straight to in-line. */ - if (SEC_SYNOPSIS != m->lastsec) - return(in_line(m, tok, line, ppos, pos, buf)); + if ( ! (MDOC_SYNOPSIS & mdoc->flags)) + return(in_line(mdoc, tok, line, ppos, pos, buf)); /* If we're a nested call, same place. */ if ( ! nl) - return(in_line(m, tok, line, ppos, pos, buf)); + return(in_line(mdoc, tok, line, ppos, pos, buf)); /* * XXX: this will open a block scope; however, if later we end * up formatting the block scope, then child nodes will inherit * the formatting. Be careful. */ - - return(blk_part_imp(m, tok, line, ppos, pos, buf)); + if (MDOC_Nm == tok) + return(blk_full(mdoc, tok, line, ppos, pos, buf)); + assert(MDOC_Vt == tok); + return(blk_part_imp(mdoc, tok, line, ppos, pos, buf)); } @@ -1526,7 +1757,8 @@ static int obsolete(MACRO_PROT_ARGS) { - return(mdoc_pwarn(m, line, ppos, EOBS)); + mdoc_pmsg(mdoc, line, ppos, MANDOCERR_MACROOBS); + return(1); } @@ -1536,47 +1768,87 @@ obsolete(MACRO_PROT_ARGS) * macro is encountered. */ static int -phrase(struct mdoc *m, int line, int ppos, char *buf, - enum margserr ac, int count) +phrase(struct mdoc *mdoc, int line, int ppos, char *buf) { int la, pos; - enum margserr aac; + enum margserr ac; 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! */ - aac = mdoc_zargs(m, line, &pos, buf, 0, &p); + ac = mdoc_zargs(mdoc, line, &pos, buf, &p); - if (ARGS_ERROR == aac) + if (ARGS_ERROR == ac) return(0); - if (ARGS_EOLN == aac) + if (ARGS_EOLN == ac) break; - ntok = ARGS_QWORD == aac || ARGS_PEND == ac ? - MDOC_MAX : lookup_raw(p); + ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); if (MDOC_MAX == ntok) { - if ( ! mdoc_word_alloc(m, line, la, p)) + if ( ! dword(mdoc, line, la, p, DELIM_MAX, 1)) return(0); continue; } - if ( ! mdoc_macro(m, ntok, line, la, &pos, buf)) + if ( ! mdoc_macro(mdoc, ntok, line, la, &pos, buf)) return(0); - return(append_delims(m, line, &pos, buf)); + return(append_delims(mdoc, line, &pos, buf)); } return(1); } +/* ARGSUSED */ +static int +phrase_ta(MACRO_PROT_ARGS) +{ + struct mdoc_node *n; + int la; + enum mdoct ntok; + enum margserr ac; + char *p; + + /* Make sure we are in a column list or ignore this macro. */ + n = mdoc->last; + while (NULL != n && MDOC_Bl != n->tok) + n = n->parent; + if (NULL == n || LIST_column != n->norm->Bl.type) { + mdoc_pmsg(mdoc, line, ppos, MANDOCERR_STRAYTA); + return(1); + } + + /* Advance to the next column. */ + if ( ! rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos)) + return(0); + if ( ! mdoc_body_alloc(mdoc, line, ppos, MDOC_It)) + return(0); + + for (;;) { + la = *pos; + ac = mdoc_zargs(mdoc, line, pos, buf, &p); + + if (ARGS_ERROR == ac) + return(0); + if (ARGS_EOLN == ac) + break; + + ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); + + if (MDOC_MAX == ntok) { + if ( ! dword(mdoc, line, la, p, DELIM_MAX, + MDOC_JOIN & mdoc_macros[tok].flags)) + return(0); + continue; + } + + if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) + return(0); + return(append_delims(mdoc, line, pos, buf)); + } + + return(1); +}