-/* $Id: mdoc_macro.c,v 1.157 2014/12/13 13:14:39 schwarze Exp $ */
+/* $Id: mdoc_macro.c,v 1.234 2020/01/19 18:02:00 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012-2020 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
#include <string.h>
#include <time.h>
-#include "mdoc.h"
#include "mandoc.h"
-#include "libmdoc.h"
+#include "roff.h"
+#include "mdoc.h"
#include "libmandoc.h"
-
-enum rew { /* see rew_dohalt() */
- REWIND_NONE,
- REWIND_THIS,
- REWIND_MORE,
- REWIND_FORCE,
- REWIND_LATER,
- REWIND_ERROR
-};
+#include "roff_int.h"
+#include "libmdoc.h"
static void blk_full(MACRO_PROT_ARGS);
static void blk_exp_close(MACRO_PROT_ARGS);
static void in_line(MACRO_PROT_ARGS);
static void phrase_ta(MACRO_PROT_ARGS);
-static void dword(struct mdoc *, int, int, const char *,
- enum mdelim, int);
-static void append_delims(struct mdoc *, int, int *, char *);
-static enum mdoct lookup(struct mdoc *, enum mdoct,
- int, int, const char *);
-static int macro_or_word(MACRO_PROT_ARGS, int);
-static int make_pending(struct mdoc_node *, enum mdoct,
- struct mdoc *, int, int);
-static int parse_rest(struct mdoc *, enum mdoct,
+static void append_delims(struct roff_man *, int, int *, char *);
+static void dword(struct roff_man *, int, int, const char *,
+ enum mdelim, int);
+static int find_pending(struct roff_man *, enum roff_tok,
+ int, int, struct roff_node *);
+static int lookup(struct roff_man *, int, int, int, const char *);
+static int macro_or_word(MACRO_PROT_ARGS, char *, int);
+static void break_intermediate(struct roff_node *,
+ struct roff_node *);
+static int parse_rest(struct roff_man *, enum roff_tok,
int, int *, char *);
-static enum mdoct rew_alt(enum mdoct);
-static enum rew rew_dohalt(enum mdoct, enum mdoc_type,
- const struct mdoc_node *);
-static void rew_elem(struct mdoc *, enum mdoct);
-static void rew_last(struct mdoc *, const struct mdoc_node *);
-static void rew_sub(enum mdoc_type, struct mdoc *,
- enum mdoct, int, int);
-
-const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
- { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
+static enum roff_tok rew_alt(enum roff_tok);
+static void rew_elem(struct roff_man *, enum roff_tok);
+static void rew_last(struct roff_man *, const struct roff_node *);
+static void rew_pending(struct roff_man *,
+ const struct roff_node *);
+
+static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
+ { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
{ 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_argn, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
{ 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 */
- { in_line_eoln, MDOC_PROLOGUE }, /* ll */
+ { in_line_eoln, 0 }, /* Tg */
};
-const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
+const struct mdoc_macro *
+mdoc_macro(enum roff_tok tok)
+{
+ assert(tok >= MDOC_Dd && tok < MDOC_MAX);
+ return mdoc_macros + (tok - MDOC_Dd);
+}
/*
* This is called at the end of parsing. It must traverse up the tree,
* are errors.
*/
void
-mdoc_macroend(struct mdoc *mdoc)
+mdoc_endparse(struct roff_man *mdoc)
{
- struct mdoc_node *n;
+ struct roff_node *n;
/* Scan for open explicit scopes. */
- n = mdoc->last->flags & MDOC_VALID ?
+ n = mdoc->last->flags & NODE_VALID ?
mdoc->last->parent : mdoc->last;
for ( ; n; n = n->parent)
- if (n->type == MDOC_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
- mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
- n->line, n->pos, mdoc_macronames[n->tok]);
+ if (n->type == ROFFT_BLOCK &&
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
+ mandoc_msg(MANDOCERR_BLK_NOEND,
+ n->line, n->pos, "%s", roff_name[n->tok]);
/* Rewind to the first. */
- rew_last(mdoc, mdoc->first);
+ rew_last(mdoc, mdoc->meta.first);
}
/*
* Look up the macro at *p called by "from",
- * or as a line macro if from == MDOC_MAX.
+ * or as a line macro if from == TOKEN_NONE.
*/
-static enum mdoct
-lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
+static int
+lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
{
- enum mdoct res;
-
- if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
- res = mdoc_hash_find(p);
- if (res != MDOC_MAX) {
- if (mdoc_macros[res].flags & MDOC_CALLABLE)
- return(res);
- if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
- mandoc_msg(MANDOCERR_MACRO_CALL,
- mdoc->parse, line, ppos, p);
+ enum roff_tok res;
+
+ if (mdoc->flags & MDOC_PHRASEQF) {
+ mdoc->flags &= ~MDOC_PHRASEQF;
+ return TOKEN_NONE;
+ }
+ if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
+ res = roffhash_find(mdoc->mdocmac, p, 0);
+ if (res != TOKEN_NONE) {
+ if (mdoc_macro(res)->flags & MDOC_CALLABLE)
+ return res;
+ mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
}
}
- return(MDOC_MAX);
+ return TOKEN_NONE;
}
+/*
+ * Rewind up to and including a specific node.
+ */
static void
-rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
+rew_last(struct roff_man *mdoc, const struct roff_node *to)
{
- struct mdoc_node *n, *np;
- assert(to);
- mdoc->next = MDOC_NEXT_SIBLING;
+ if (to->flags & NODE_VALID)
+ return;
+
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;
- mdoc_valid_post(mdoc);
- n = mdoc->last;
- mdoc->last = np;
- assert(mdoc->last);
- mdoc->last->last = n;
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
+ mdoc->last = mdoc->last->parent;
+ }
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
+ mdoc->next = ROFF_NEXT_SIBLING;
+}
+
+/*
+ * Rewind up to a specific block, including all blocks that broke it.
+ */
+static void
+rew_pending(struct roff_man *mdoc, const struct roff_node *n)
+{
+
+ for (;;) {
+ rew_last(mdoc, n);
+
+ if (mdoc->last == n) {
+ switch (n->type) {
+ case ROFFT_HEAD:
+ roff_body_alloc(mdoc, n->line, n->pos,
+ n->tok);
+ if (n->tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
+ break;
+ case ROFFT_BLOCK:
+ break;
+ default:
+ return;
+ }
+ if ( ! (n->flags & NODE_BROKEN))
+ return;
+ } else
+ n = mdoc->last;
+
+ for (;;) {
+ if ((n = n->parent) == NULL)
+ return;
+
+ if (n->type == ROFFT_BLOCK ||
+ n->type == ROFFT_HEAD) {
+ if (n->flags & NODE_ENDED)
+ break;
+ else
+ return;
+ }
+ }
}
- mdoc_valid_post(mdoc);
}
/*
* For a block closing macro, return the corresponding opening one.
* Otherwise, return the macro itself.
*/
-static enum mdoct
-rew_alt(enum mdoct tok)
+static enum roff_tok
+rew_alt(enum roff_tok tok)
{
switch (tok) {
case MDOC_Ac:
- return(MDOC_Ao);
+ return MDOC_Ao;
case MDOC_Bc:
- return(MDOC_Bo);
+ return MDOC_Bo;
case MDOC_Brc:
- return(MDOC_Bro);
+ return MDOC_Bro;
case MDOC_Dc:
- return(MDOC_Do);
+ return MDOC_Do;
case MDOC_Ec:
- return(MDOC_Eo);
+ return MDOC_Eo;
case MDOC_Ed:
- return(MDOC_Bd);
+ return MDOC_Bd;
case MDOC_Ef:
- return(MDOC_Bf);
+ return MDOC_Bf;
case MDOC_Ek:
- return(MDOC_Bk);
+ return MDOC_Bk;
case MDOC_El:
- return(MDOC_Bl);
+ return MDOC_Bl;
case MDOC_Fc:
- return(MDOC_Fo);
+ return MDOC_Fo;
case MDOC_Oc:
- return(MDOC_Oo);
+ return MDOC_Oo;
case MDOC_Pc:
- return(MDOC_Po);
+ return MDOC_Po;
case MDOC_Qc:
- return(MDOC_Qo);
+ return MDOC_Qo;
case MDOC_Re:
- return(MDOC_Rs);
+ return MDOC_Rs;
case MDOC_Sc:
- return(MDOC_So);
+ return MDOC_So;
case MDOC_Xc:
- return(MDOC_Xo);
- default:
- return(tok);
- }
- /* NOTREACHED */
-}
-
-/*
- * 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(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_Bl:
- if (MDOC_It == p->tok)
- return(REWIND_MORE);
- break;
- case MDOC_It:
- if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
- return(REWIND_NONE);
- break;
- /*
- * 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:
- if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
- return(REWIND_NONE);
- /* FALLTHROUGH */
- case MDOC_Sh:
- if (MDOC_ROOT == p->parent->type)
- return(REWIND_THIS);
- if (MDOC_Nd == p->tok || MDOC_Ss == p->tok ||
- MDOC_Sh == p->tok)
- return(REWIND_MORE);
- break;
+ return MDOC_Xo;
default:
- break;
+ return tok;
}
-
- /*
- * Default block rewinding rules.
- * In particular, always skip block end markers,
- * and let all blocks rewind Nm children.
- * Do not warn again when closing a block,
- * since closing the body already warned.
- */
- if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
- MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
- ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
- return(REWIND_MORE);
-
- /*
- * 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);
}
static void
-rew_elem(struct mdoc *mdoc, enum mdoct tok)
+rew_elem(struct roff_man *mdoc, enum roff_tok tok)
{
- struct mdoc_node *n;
+ struct roff_node *n;
n = mdoc->last;
- if (MDOC_ELEM != n->type)
+ if (n->type != ROFFT_ELEM)
n = n->parent;
- assert(MDOC_ELEM == n->type);
+ assert(n->type == ROFFT_ELEM);
assert(tok == n->tok);
rew_last(mdoc, n);
}
-/*
- * 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
-make_pending(struct mdoc_node *broken, enum mdoct tok,
- struct mdoc *mdoc, int line, int ppos)
+static void
+break_intermediate(struct roff_node *n, struct roff_node *breaker)
{
- 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_BLK_NEST, mdoc->parse, line, ppos,
- "%s breaks %s", mdoc_macronames[tok],
- mdoc_macronames[broken->tok]);
- return(1);
+ if (n != breaker &&
+ n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
+ (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
+ n = n->parent;
+ while (n != breaker) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
+ n = n->parent;
}
-
- /*
- * Found no matching block for tok.
- * Are you trying to close a block that is not open?
- */
- return(0);
}
-static void
-rew_sub(enum mdoc_type t, struct mdoc *mdoc,
- enum mdoct tok, int line, int ppos)
+/*
+ * If there is an open sub-block of the target requiring
+ * explicit close-out, postpone closing out the target until
+ * the rew_pending() call closing out the sub-block.
+ */
+static int
+find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
+ struct roff_node *target)
{
- struct mdoc_node *n;
+ struct roff_node *n;
+ int irc;
- n = mdoc->last;
- while (n) {
- switch (rew_dohalt(tok, t, n)) {
- case REWIND_NONE:
- return;
- case REWIND_THIS:
- n->lastline = line -
- (mdoc->flags & MDOC_NEWLINE &&
- ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
- break;
- case REWIND_FORCE:
- mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
- line, ppos, "%s breaks %s",
- mdoc_macronames[tok],
- mdoc_macronames[n->tok]);
- /* FALLTHROUGH */
- case REWIND_MORE:
- n->lastline = line -
- (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
- n = n->parent;
+ if (target->flags & NODE_VALID)
+ return 0;
+
+ irc = 0;
+ for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
+ if (n->flags & NODE_ENDED)
continue;
- case REWIND_LATER:
- if (make_pending(n, tok, mdoc, line, ppos) ||
- t != MDOC_BLOCK)
- return;
- /* FALLTHROUGH */
- case REWIND_ERROR:
- mandoc_msg(MANDOCERR_BLK_NOTOPEN,
- mdoc->parse, line, ppos,
- mdoc_macronames[tok]);
- return;
+ if (n->type == ROFFT_BLOCK &&
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
+ irc = 1;
+ break_intermediate(mdoc->last, target);
+ if (target->type == ROFFT_HEAD)
+ target->flags |= NODE_ENDED;
+ else if ( ! (target->flags & NODE_ENDED)) {
+ mandoc_msg(MANDOCERR_BLK_NEST,
+ line, ppos, "%s breaks %s",
+ roff_name[tok], roff_name[n->tok]);
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ tok, target);
+ }
}
- break;
- }
- assert(n);
- rew_last(mdoc, n);
-
- /*
- * The current block extends an enclosing block.
- * Now that the current block ends, close the enclosing block, too.
- */
- while ((n = n->pending) != NULL) {
- rew_last(mdoc, n);
- if (n->type == MDOC_HEAD)
- mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
}
+ return irc;
}
/*
* Punctuation consists of those tokens found in mdoc_isdelim().
*/
static void
-dword(struct mdoc *mdoc, int line, int col, const char *p,
+dword(struct roff_man *mdoc, int line, int col, const char *p,
enum mdelim d, int may_append)
{
if (may_append &&
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
- d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
+ d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
- mdoc_word_append(mdoc, p);
+ roff_word_append(mdoc, p);
return;
}
- mdoc_word_alloc(mdoc, line, col, p);
+ roff_word_alloc(mdoc, line, col, p);
/*
* If the word consists of a bare delimiter,
*/
if (d == DELIM_OPEN)
- mdoc->last->flags |= MDOC_DELIMO;
+ mdoc->last->flags |= NODE_DELIMO;
else if (d == DELIM_CLOSE &&
! (mdoc->flags & MDOC_NODELIMC) &&
mdoc->last->parent->tok != MDOC_Fd)
- mdoc->last->flags |= MDOC_DELIMC;
+ mdoc->last->flags |= NODE_DELIMC;
mdoc->flags &= ~MDOC_NODELIMC;
}
static void
-append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
+append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
{
char *p;
int la;
+ enum margserr ac;
if (buf[*pos] == '\0')
return;
for (;;) {
la = *pos;
- if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
+ ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
+ if (ac == ARGS_EOLN)
break;
dword(mdoc, line, la, p, DELIM_MAX, 1);
*/
if (mandoc_eos(p, strlen(p)))
- mdoc->last->flags |= MDOC_EOS;
+ mdoc->last->flags |= NODE_EOS;
+ if (ac == ARGS_ALLOC)
+ free(p);
}
}
* Otherwise, allocate it and return 0.
*/
static int
-macro_or_word(MACRO_PROT_ARGS, int parsed)
+macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
{
- char *p;
- enum mdoct ntok;
-
- p = buf + ppos;
- ntok = MDOC_MAX;
- if (*p == '"')
- p++;
- else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
- ntok = lookup(mdoc, tok, line, ppos, p);
-
- if (ntok == MDOC_MAX) {
- dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
- mdoc_macros[tok].flags & MDOC_JOIN);
- return(0);
+ int ntok;
+
+ ntok = buf[ppos] == '"' || parsed == 0 ||
+ mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
+ lookup(mdoc, tok, line, ppos, p);
+
+ if (ntok == TOKEN_NONE) {
+ dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ return 0;
} else {
- if (mdoc_macros[tok].fp == in_line_eoln)
+ if (tok != TOKEN_NONE &&
+ mdoc_macro(tok)->fp == in_line_eoln)
rew_elem(mdoc, tok);
- mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
- if (tok == MDOC_MAX)
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
+ if (tok == TOKEN_NONE)
append_delims(mdoc, line, pos, buf);
- return(1);
+ return 1;
}
}
static void
blk_exp_close(MACRO_PROT_ARGS)
{
- struct mdoc_node *body; /* Our own body. */
- struct mdoc_node *endbody; /* Our own end marker. */
- struct mdoc_node *later; /* A sub-block starting later. */
- struct mdoc_node *n; /* For searching backwards. */
-
- int j, lastarg, maxargs, flushed, nl;
+ struct roff_node *body; /* Our own body. */
+ struct roff_node *endbody; /* Our own end marker. */
+ struct roff_node *itblk; /* An It block starting later. */
+ struct roff_node *later; /* A sub-block starting later. */
+ struct roff_node *n; /* Search back to our block. */
+ struct roff_node *target; /* For find_pending(). */
+
+ int j, lastarg, maxargs, nl, pending;
enum margserr ac;
- enum mdoct atok, ntok;
+ enum roff_tok atok, ntok;
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
break;
}
+ /* Search backwards for the beginning of our own body. */
+
+ atok = rew_alt(tok);
+ body = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (n->flags & NODE_ENDED || n->tok != atok ||
+ n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
+ continue;
+ body = n;
+ break;
+ }
+
/*
* Search backwards for beginnings of blocks,
* both of our own and of pending sub-blocks.
*/
- atok = rew_alt(tok);
- body = endbody = later = NULL;
+ endbody = itblk = later = NULL;
for (n = mdoc->last; n; n = n->parent) {
- if (n->flags & MDOC_VALID)
+ if (n->flags & NODE_ENDED)
continue;
- /* Remember the start of our own body. */
+ /*
+ * Mismatching end macros can never break anything
+ * and we only care about the breaking of BLOCKs.
+ */
- if (n->type == MDOC_BODY && atok == n->tok) {
- if (n->end == ENDBODY_NOT)
- body = n;
+ if (body == NULL || n->type != ROFFT_BLOCK)
+ continue;
+
+ /*
+ * SYNOPSIS name blocks can not be broken themselves,
+ * but they do get broken together with a broken child.
+ */
+
+ if (n->tok == MDOC_Nm) {
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
continue;
}
- if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
+ if (n->tok == MDOC_It) {
+ itblk = n;
continue;
+ }
+
if (atok == n->tok) {
- assert(body);
/*
* Found the start of our own block.
* just proceed to closing out.
*/
- if (later == NULL)
+ if (later == NULL ||
+ (tok == MDOC_El && itblk == NULL))
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);
-
- /*
+ * When there is a pending sub block, postpone
+ * closing out the current block until the
+ * rew_pending() closing out the sub-block.
* Mark the place where the formatting - but not
* the scope - of the current block ends.
*/
- mdoc_endbody_alloc(mdoc, line, ppos,
- atok, body, ENDBODY_SPACE);
+ mandoc_msg(MANDOCERR_BLK_NEST,
+ line, ppos, "%s breaks %s",
+ roff_name[atok], roff_name[later->tok]);
+
+ endbody = mdoc_endbody_alloc(mdoc, line, ppos,
+ atok, body);
+
+ if (tok == MDOC_El)
+ itblk->flags |= NODE_ENDED | NODE_BROKEN;
/*
* If a block closing macro taking arguments
* breaks another block, put the arguments
- * into the end marker and remeber the
- * end marker in order to close it out.
+ * into the end marker.
*/
- if (maxargs) {
- endbody = mdoc->last;
- mdoc->next = MDOC_NEXT_CHILD;
- }
+ if (maxargs)
+ mdoc->next = ROFF_NEXT_CHILD;
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.
+ * Explicit blocks close out description lines, but
+ * even those can get broken together with a child.
*/
- if (later &&
- mdoc_macros[later->tok].flags & MDOC_EXPLICIT)
+ if (n->tok == MDOC_Nd) {
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
+ else
+ rew_last(mdoc, n);
continue;
- if (n->tok != MDOC_It)
- later = n;
- }
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ }
- if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
- if (buf[*pos] != '\0')
- mandoc_vmsg(MANDOCERR_ARG_SKIP,
- mdoc->parse, line, ppos,
- "%s %s", mdoc_macronames[tok],
- buf + *pos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
- return;
+ /* Breaking an open sub block. */
+
+ break_intermediate(mdoc->last, body);
+ n->flags |= NODE_BROKEN;
+ if (later == NULL)
+ later = n;
}
- if (maxargs && endbody == NULL) {
- if (n == NULL) {
+ if (body == NULL) {
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
+ "%s", roff_name[tok]);
+ if (maxargs && endbody == NULL) {
/*
* Stray .Ec without previous .Eo:
- * Break the output line, ignore any arguments.
+ * Break the output line, keep the arguments.
*/
- mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
- rew_elem(mdoc, MDOC_br);
- } else
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
+ }
+ } else if (endbody == NULL) {
+ rew_last(mdoc, body);
+ if (maxargs)
mdoc_tail_alloc(mdoc, line, ppos, atok);
}
- flushed = n == NULL;
- for (j = 0; ; j++) {
- lastarg = *pos;
+ if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
+ if (buf[*pos] != '\0')
+ mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
+ "%s %s", roff_name[tok], buf + *pos);
+ if (endbody == NULL && n != NULL)
+ rew_pending(mdoc, n);
- if (j == maxargs && ! flushed) {
- if (endbody == NULL)
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ /*
+ * Restore the fill mode that was set before the display.
+ * This needs to be done here rather than during validation
+ * such that subsequent nodes get the right flags.
+ */
+
+ if (tok == MDOC_Ed && body != NULL) {
+ if (body->flags & NODE_NOFILL)
+ mdoc->flags |= ROFF_NOFILL;
else
- rew_last(mdoc, endbody);
- flushed = 1;
+ mdoc->flags &= ~ROFF_NOFILL;
}
+ return;
+ }
+
+ if (endbody != NULL)
+ n = endbody;
+
+ ntok = TOKEN_NONE;
+ for (j = 0; ; j++) {
+ lastarg = *pos;
+
+ if (j == maxargs && n != NULL)
+ rew_last(mdoc, n);
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- ntok = ac == ARGS_QWORD ? MDOC_MAX :
- lookup(mdoc, tok, line, lastarg, p);
+ ntok = lookup(mdoc, tok, line, lastarg, p);
- if (ntok == MDOC_MAX) {
+ if (ntok == TOKEN_NONE) {
dword(mdoc, line, lastarg, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
+ if (ac == ARGS_ALLOC)
+ free(p);
- if ( ! flushed) {
- if (endbody == NULL)
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
- else
- rew_last(mdoc, endbody);
- flushed = 1;
- }
+ if (n != NULL)
+ rew_last(mdoc, n);
mdoc->flags &= ~MDOC_NEWLINE;
- mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
break;
}
- if ( ! flushed) {
- if (endbody == NULL)
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
- else
- rew_last(mdoc, endbody);
+ if (n != NULL) {
+ pending = 0;
+ if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
+ target = n;
+ do
+ target = target->parent;
+ while ( ! (target->flags & NODE_ENDED));
+ pending = find_pending(mdoc, ntok, line, ppos, target);
+ }
+ if ( ! pending)
+ rew_pending(mdoc, n);
}
if (nl)
append_delims(mdoc, line, pos, buf);
in_line(MACRO_PROT_ARGS)
{
int la, scope, cnt, firstarg, mayopen, nc, nl;
- enum mdoct ntok;
+ enum roff_tok ntok;
enum margserr ac;
enum mdelim d;
struct mdoc_arg *arg;
switch (tok) {
case MDOC_An:
- /* FALLTHROUGH */
case MDOC_Ar:
- /* FALLTHROUGH */
case MDOC_Fl:
- /* FALLTHROUGH */
case MDOC_Mt:
- /* FALLTHROUGH */
case MDOC_Nm:
- /* FALLTHROUGH */
case MDOC_Pa:
nc = 1;
break;
if (ac == ARGS_EOLN) {
if (d == DELIM_OPEN)
- mdoc->last->flags &= ~MDOC_DELIMO;
+ mdoc->last->flags &= ~NODE_DELIMO;
break;
}
*/
if (ac == ARGS_PUNCT) {
- if (cnt == 0 && nc == 0)
+ if (cnt == 0 && (nc == 0 || tok == MDOC_An))
mdoc->flags |= MDOC_NODELIMC;
break;
}
- ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
- MDOC_MAX : lookup(mdoc, tok, line, la, p);
+ ntok = (tok == MDOC_Fn && !cnt) ?
+ TOKEN_NONE : lookup(mdoc, tok, line, la, p);
/*
* In this case, we've located a submacro and must
* or raise a warning.
*/
- if (ntok != MDOC_MAX) {
+ if (ntok != TOKEN_NONE) {
if (scope)
rew_elem(mdoc, tok);
if (nc && ! cnt) {
} else if ( ! nc && ! cnt) {
mdoc_argv_free(arg);
mandoc_msg(MANDOCERR_MACRO_EMPTY,
- mdoc->parse, line, ppos,
- mdoc_macronames[tok]);
+ line, ppos, "%s", roff_name[tok]);
}
- mdoc_macro(mdoc, ntok, line, la, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
if (nl)
append_delims(mdoc, line, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
return;
}
/*
- * Non-quote-enclosed punctuation. Set up our scope, if
- * a word; rewind the scope, if a delimiter; then append
- * the word.
+ * Handle punctuation. Set up our scope, if a word;
+ * rewind the scope, if a delimiter; then append the word.
*/
- d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
-
- if (DELIM_NONE != d) {
+ if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
/*
* If we encounter closing punctuation, no word
* has been emitted, no scope is open, and we're
* Close out our scope, if one is open, before
* any punctuation.
*/
- if (scope)
+ if (scope && tok != MDOC_Lk) {
rew_elem(mdoc, tok);
- scope = 0;
- if (tok == MDOC_Fn)
- mayopen = 0;
+ scope = 0;
+ if (tok == MDOC_Fn)
+ mayopen = 0;
+ }
} else if (mayopen && !scope) {
mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
}
dword(mdoc, line, la, p, d,
- MDOC_JOIN & mdoc_macros[tok].flags);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+
+ if (ac == ARGS_ALLOC)
+ free(p);
/*
* If the first argument is a closing delimiter,
*/
if (firstarg && d == DELIM_CLOSE && !nc)
- mdoc->last->flags &= ~MDOC_DELIMC;
+ mdoc->last->flags &= ~NODE_DELIMC;
firstarg = 0;
/*
}
}
- if (scope)
+ if (scope && tok != MDOC_Lk) {
rew_elem(mdoc, tok);
+ scope = 0;
+ }
/*
* If no elements have been collected and we're allowed to have
rew_last(mdoc, mdoc->last);
} else {
mdoc_argv_free(arg);
- mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
}
}
if (nl)
append_delims(mdoc, line, pos, buf);
+ if (scope)
+ rew_elem(mdoc, tok);
}
static void
blk_full(MACRO_PROT_ARGS)
{
- int la, nl, parsed;
struct mdoc_arg *arg;
- struct mdoc_node *head; /* save of head macro */
- struct mdoc_node *body; /* save of body macro */
- struct mdoc_node *n;
- enum margserr ac, lac;
+ struct roff_node *blk; /* Our own or a broken block. */
+ struct roff_node *head; /* Our own head. */
+ struct roff_node *body; /* Our own body. */
+ struct roff_node *n;
char *p;
+ size_t iarg;
+ int done, la, nl, parsed;
+ enum margserr ac, lac;
nl = MDOC_NEWLINE & mdoc->flags;
- /* Skip items outside lists. */
+ if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
+ }
+
+ if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
+
+ /* Here, tok is one of Sh Ss Nm Nd It. */
- if (tok == MDOC_It) {
- for (n = mdoc->last; n; n = n->parent)
- if (n->tok == MDOC_Bl &&
- ! (n->flags & MDOC_VALID))
+ blk = NULL;
+ for (n = mdoc->last; n != NULL; n = n->parent) {
+ if (n->flags & NODE_ENDED) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
+ continue;
+ }
+ if (n->type != ROFFT_BLOCK)
+ continue;
+
+ if (tok == MDOC_It && n->tok == MDOC_Bl) {
+ if (blk != NULL) {
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos, "It breaks %s",
+ roff_name[blk->tok]);
+ rew_pending(mdoc, blk);
+ }
break;
- if (n == NULL) {
- mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
- line, ppos, "It %s", buf + *pos);
- mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
- rew_elem(mdoc, MDOC_br);
- return;
+ }
+
+ if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
+ switch (tok) {
+ case MDOC_Sh:
+ case MDOC_Ss:
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos,
+ "%s breaks %s", roff_name[tok],
+ roff_name[n->tok]);
+ rew_pending(mdoc, n);
+ n = mdoc->last;
+ continue;
+ case MDOC_It:
+ /* Delay in case it's astray. */
+ blk = n;
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+
+ /* Here, n is one of Sh Ss Nm Nd It. */
+
+ if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
+ (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
+ (tok != MDOC_It && n->tok == MDOC_It)))))
+ break;
+
+ /* Item breaking an explicit block. */
+
+ if (blk != NULL) {
+ mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
+ "It breaks %s", roff_name[blk->tok]);
+ rew_pending(mdoc, blk);
+ blk = NULL;
+ }
+
+ /* Close out prior implicit scopes. */
+
+ rew_pending(mdoc, n);
}
- }
- /* Close out prior implicit scope. */
+ /* Skip items outside lists. */
- if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
+ mandoc_msg(MANDOCERR_IT_STRAY,
+ line, ppos, "It %s", buf + *pos);
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
+ return;
+ }
}
/*
* regular child nodes.
*/
+ switch (tok) {
+ case MDOC_Sh:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ case MDOC_Ss:
+ mdoc->flags |= ROFF_NONOFILL;
+ break;
+ default:
+ break;
+ }
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- mdoc_block_alloc(mdoc, line, ppos, tok, arg);
+ blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
head = body = NULL;
/*
*/
if (tok == MDOC_Nd) {
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ head = roff_head_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, head);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
}
if (tok == MDOC_Bk)
mdoc->flags |= MDOC_KEEP;
- ac = ARGS_PEND;
+ ac = ARGS_EOLN;
for (;;) {
+
+ /*
+ * If we are right after a tab character,
+ * do not parse the first word for macros.
+ */
+
+ if (mdoc->flags & MDOC_PHRASEQN) {
+ mdoc->flags &= ~MDOC_PHRASEQN;
+ mdoc->flags |= MDOC_PHRASEQF;
+ }
+
la = *pos;
lac = ac;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ac == ARGS_PUNCT)
- break;
if (ac == ARGS_EOLN) {
- if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
+ if (lac != ARGS_PHRASE ||
+ ! (mdoc->flags & MDOC_PHRASEQF))
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.
+ * This line ends in a tab; start the next
+ * column now, with a leading blank.
*/
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+
+ if (body != NULL)
+ rew_last(mdoc, body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ roff_word_alloc(mdoc, line, ppos, "\\&");
+ break;
+ }
+
+ if (tok == MDOC_Bd || tok == MDOC_Bk) {
+ mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
+ "%s ... %s", roff_name[tok], buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ break;
+ }
+ if (tok == MDOC_Rs) {
+ mandoc_msg(MANDOCERR_ARG_SKIP,
+ line, la, "Rs %s", buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
break;
}
+ if (ac == ARGS_PUNCT)
+ break;
/*
* Emit leading punctuation (i.e., punctuation before
- * the MDOC_HEAD) for non-phrase types.
+ * the ROFFT_HEAD) for non-phrase types.
*/
if (head == NULL &&
- ac != ARGS_PEND &&
ac != ARGS_PHRASE &&
- ac != ARGS_PPHRASE &&
- ac != ARGS_QWORD &&
mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
/* Open a head if one hasn't been opened. */
if (head == NULL)
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ head = roff_head_alloc(mdoc, line, ppos, tok);
- if (ac == ARGS_PHRASE ||
- ac == ARGS_PEND ||
- ac == ARGS_PPHRASE) {
+ if (ac == ARGS_PHRASE) {
/*
* If we haven't opened a body yet, rewind the
* head; if we have, rewind that instead.
*/
- rew_sub(body ? MDOC_BODY : MDOC_HEAD,
- mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, body == NULL ? head : body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- /*
- * Process phrases: set whether we're in a
- * partial-phrase (this effects line handling)
- * then call down into the phrase parser.
- */
+ /* Process to the tab or to the end of the line. */
+
+ mdoc->flags |= MDOC_PHRASE;
+ parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
+ mdoc->flags &= ~MDOC_PHRASE;
- if (ac == ARGS_PPHRASE)
- mdoc->flags |= MDOC_PPHRASE;
- if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
- mdoc->flags |= MDOC_PPHRASE;
- parse_rest(mdoc, MDOC_MAX, line, &la, buf);
- mdoc->flags &= ~MDOC_PPHRASE;
+ /* There may have been `Ta' macros. */
+
+ while (body->next != NULL)
+ body = body->next;
continue;
}
- if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
+ if (blk->flags & NODE_VALID)
+ return;
if (head == NULL)
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
- if (nl)
+ head = roff_head_alloc(mdoc, line, ppos, tok);
+ if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
append_delims(mdoc, line, pos, buf);
if (body != NULL)
goto out;
+ if (find_pending(mdoc, tok, line, ppos, head))
+ return;
+
+ /* Close out scopes to remain in a consistent state. */
+
+ rew_last(mdoc, head);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
/*
- * 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.
+ * Set up fill mode for display blocks.
+ * This needs to be done here up front rather than during
+ * validation such that child nodes get the right flags.
*/
- for (n = mdoc->last; n && n != head; n = n->parent) {
- if (n->type == MDOC_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
- ! (n->flags & MDOC_VALID)) {
- n->pending = head;
- return;
+
+ if (tok == MDOC_Bd && arg != NULL) {
+ for (iarg = 0; iarg < arg->argc; iarg++) {
+ switch (arg->argv[iarg].arg) {
+ case MDOC_Unfilled:
+ case MDOC_Literal:
+ mdoc->flags |= ROFF_NOFILL;
+ break;
+ case MDOC_Filled:
+ case MDOC_Ragged:
+ case MDOC_Centred:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ default:
+ continue;
+ }
+ break;
}
}
-
- /* Close out scopes to remain in a consistent state. */
-
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
- mdoc_body_alloc(mdoc, line, ppos, tok);
out:
if (mdoc->flags & MDOC_FREECOL) {
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ rew_last(mdoc, body);
+ rew_last(mdoc, blk);
mdoc->flags &= ~MDOC_FREECOL;
}
}
static void
blk_part_imp(MACRO_PROT_ARGS)
{
- int la, nl;
+ int done, la, nl;
enum margserr ac;
char *p;
- struct mdoc_node *blk; /* saved block context */
- struct mdoc_node *body; /* saved body context */
- struct mdoc_node *n;
+ struct roff_node *blk; /* saved block context */
+ struct roff_node *body; /* saved body context */
+ struct roff_node *n;
nl = MDOC_NEWLINE & mdoc->flags;
*/
blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
- mdoc_head_alloc(mdoc, line, ppos, tok);
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
/*
* Open the body scope "on-demand", that is, after we've
if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
break;
- if (body == NULL && ac != ARGS_QWORD &&
- mdoc_isdelim(p) == DELIM_OPEN) {
+ if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
if (body == NULL)
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
if (body == NULL)
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- /*
- * 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.
- */
+ if (find_pending(mdoc, tok, line, ppos, body))
+ return;
- for (n = mdoc->last; n && n != body && n != blk->parent;
- n = n->parent) {
- if (n->type == MDOC_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
- ! (n->flags & MDOC_VALID)) {
- make_pending(n, tok, mdoc, line, ppos);
- mdoc_endbody_alloc(mdoc, line, ppos,
- tok, body, ENDBODY_NOSPACE);
- return;
- }
- }
- assert(n == body);
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ rew_last(mdoc, body);
if (nl)
append_delims(mdoc, line, pos, buf);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ rew_pending(mdoc, blk);
/* Move trailing .Ns out of scope. */
for (n = body->child; n && n->next; n = n->next)
/* Do nothing. */ ;
if (n && n->tok == MDOC_Ns)
- mdoc_node_relink(mdoc, n);
+ roff_node_relink(mdoc, n);
}
static void
blk_part_exp(MACRO_PROT_ARGS)
{
- int la, nl;
+ int done, la, nl;
enum margserr ac;
- struct mdoc_node *head; /* keep track of head */
- struct mdoc_node *body; /* keep track of body */
+ struct roff_node *head; /* keep track of head */
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
* case of `Eo'); and a body that may be empty.
*/
- mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
- for (head = body = NULL; ; ) {
+ roff_block_alloc(mdoc, line, ppos, tok);
+ head = NULL;
+ for (;;) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
/* Flush out leading punctuation. */
- if (head == NULL && ac != ARGS_QWORD &&
- mdoc_isdelim(p) == DELIM_OPEN) {
- assert(NULL == body);
+ if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
if (head == NULL) {
- assert(body == NULL);
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
- }
-
- /*
- * `Eo' gobbles any data into the head, but most other
- * macros just immediately close out and begin the body.
- */
-
- if (body == NULL) {
- assert(head);
- /* No check whether it's a macro! */
- if (tok == MDOC_Eo)
+ head = roff_head_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Eo) /* Not parsed. */
dword(mdoc, line, la, p, DELIM_MAX, 0);
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
- if (tok == MDOC_Eo)
+ rew_last(mdoc, head);
+ roff_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Eo) {
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
+ }
}
- assert(head != NULL && body != NULL);
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
/* Clean-up to leave in a consistent state. */
- if (head == NULL)
- mdoc_head_alloc(mdoc, line, ppos, tok);
-
- if (body == NULL) {
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
- mdoc_body_alloc(mdoc, line, ppos, tok);
+ if (head == NULL) {
+ rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
+ roff_body_alloc(mdoc, line, ppos, tok);
}
if (nl)
append_delims(mdoc, line, pos, buf);
static void
in_line_argn(MACRO_PROT_ARGS)
{
- int la, flushed, j, maxargs, nl;
- enum margserr ac;
struct mdoc_arg *arg;
char *p;
- enum mdoct ntok;
+ enum margserr ac;
+ enum roff_tok ntok;
+ int state; /* arg#; -1: not yet open; -2: closed */
+ int la, maxargs, nl;
nl = mdoc->flags & MDOC_NEWLINE;
switch (tok) {
case MDOC_Ap:
- /* FALLTHROUGH */
case MDOC_Ns:
- /* FALLTHROUGH */
case MDOC_Ux:
maxargs = 0;
break;
case MDOC_Bx:
- /* FALLTHROUGH */
case MDOC_Es:
- /* FALLTHROUGH */
case MDOC_Xr:
maxargs = 2;
break;
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+ state = -1;
p = NULL;
- flushed = j = 0;
for (;;) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
- if (j < 2 && tok == MDOC_Pf)
- mandoc_vmsg(MANDOCERR_PF_SKIP,
- mdoc->parse, line, ppos, "Pf %s",
- p == NULL ? "at eol" : p);
- break;
- }
- if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
- ac != ARGS_QWORD && j == 0 &&
+ if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
+ (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
- } else if (j == 0)
- mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ }
- if (j == maxargs && ! flushed) {
+ if (state == -1 && tok != MDOC_In &&
+ tok != MDOC_St && tok != MDOC_Xr) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 0;
+ }
+
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
+ if (abs(state) < 2 && tok == MDOC_Pf)
+ mandoc_msg(MANDOCERR_PF_SKIP,
+ line, ppos, "Pf %s",
+ p == NULL ? "at eol" : p);
+ break;
+ }
+
+ if (state == maxargs) {
rew_elem(mdoc, tok);
- flushed = 1;
+ state = -2;
}
- ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ?
- MDOC_MAX : lookup(mdoc, tok, line, la, p);
+ ntok = (tok == MDOC_Pf && state == 0) ?
+ TOKEN_NONE : lookup(mdoc, tok, line, la, p);
- if (ntok != MDOC_MAX) {
- if ( ! flushed)
+ if (ntok != TOKEN_NONE) {
+ if (state >= 0) {
rew_elem(mdoc, tok);
- flushed = 1;
- mdoc_macro(mdoc, ntok, line, la, pos, buf);
- j++;
+ state = -2;
+ }
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
break;
}
- if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
- ac != ARGS_QWORD && ! flushed &&
- mdoc_isdelim(p) != DELIM_NONE) {
+ if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
+ mdoc_isdelim(p) == DELIM_NONE) {
+ if (state == -1) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 1;
+ } else if (state >= 0)
+ state++;
+ } else if (state >= 0) {
rew_elem(mdoc, tok);
- flushed = 1;
+ state = -2;
}
dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags);
- j++;
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ p = mdoc->last->string;
}
- if (j == 0) {
- mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
- if (ac == ARGS_PUNCT && tok == MDOC_Pf)
- append_delims(mdoc, line, pos, buf);
+ if (state == -1) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
}
- if ( ! flushed)
+
+ if (state == 0 && tok == MDOC_Pf)
+ append_delims(mdoc, line, pos, buf);
+ if (state >= 0)
rew_elem(mdoc, tok);
if (nl)
append_delims(mdoc, line, pos, buf);
static void
in_line_eoln(MACRO_PROT_ARGS)
{
- struct mdoc_arg *arg;
+ struct roff_node *n;
+ struct mdoc_arg *arg;
+
+ if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
+ ! (mdoc->flags & MDOC_SYNOPSIS)) {
+ n = mdoc->last;
+ if (mdoc->next == ROFF_NEXT_SIBLING)
+ n = n->parent;
+ if (n->tok == MDOC_Nm)
+ rew_last(mdoc, n->parent);
+ }
- if (tok == MDOC_Pp)
- rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
+ if (buf[*pos] == '\0' &&
+ (tok == MDOC_Fd || *roff_name[tok] == '%')) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
+ }
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
* or until the next macro, call that macro, and return 1.
*/
static int
-parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf)
+parse_rest(struct roff_man *mdoc, enum roff_tok tok,
+ int line, int *pos, char *buf)
{
- int la;
+ char *p;
+ int done, la;
+ enum margserr ac;
for (;;) {
la = *pos;
- if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
- return(0);
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
- return(1);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_EOLN)
+ return 0;
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
+ return 1;
}
}
static void
phrase_ta(MACRO_PROT_ARGS)
{
- struct mdoc_node *n;
+ struct roff_node *body, *n;
/* Make sure we are in a column list or ignore this macro. */
- n = mdoc->last;
- while (n != NULL && n->tok != MDOC_Bl)
- n = n->parent;
+ body = NULL;
+ for (n = mdoc->last; n != NULL; n = n->parent) {
+ if (n->flags & NODE_ENDED)
+ continue;
+ if (n->tok == MDOC_It && n->type == ROFFT_BODY)
+ body = n;
+ if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
+ break;
+ }
+
if (n == NULL || n->norm->Bl.type != LIST_column) {
- mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
- line, ppos, "Ta");
+ mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
return;
}
/* Advance to the next column. */
- rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
- mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
- parse_rest(mdoc, MDOC_MAX, line, pos, buf);
+ rew_last(mdoc, body);
+ roff_body_alloc(mdoc, line, ppos, MDOC_It);
+ parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
}
git.ckatri.com / mandoc.git / blobdiff