version 1.31, 2009/08/19 11:58:32 |
version 1.115, 2012/01/05 00:43:51 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "mdoc.h" |
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#include "mandoc.h" |
#include "libmdoc.h" |
#include "libmdoc.h" |
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#include "libmandoc.h" |
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#define REWIND_REWIND (1 << 0) |
enum rew { /* see rew_dohalt() */ |
#define REWIND_NOHALT (1 << 1) |
REWIND_NONE, |
#define REWIND_HALT (1 << 2) |
REWIND_THIS, |
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REWIND_MORE, |
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REWIND_FORCE, |
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REWIND_LATER, |
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REWIND_ERROR |
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}; |
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static int obsolete(MACRO_PROT_ARGS); |
static int blk_full(MACRO_PROT_ARGS); |
static int blk_part_exp(MACRO_PROT_ARGS); |
static int blk_exp_close(MACRO_PROT_ARGS); |
static int in_line_eoln(MACRO_PROT_ARGS); |
static int blk_part_exp(MACRO_PROT_ARGS); |
static int in_line_argn(MACRO_PROT_ARGS); |
static int blk_part_imp(MACRO_PROT_ARGS); |
static int in_line(MACRO_PROT_ARGS); |
static int ctx_synopsis(MACRO_PROT_ARGS); |
static int blk_full(MACRO_PROT_ARGS); |
static int in_line_eoln(MACRO_PROT_ARGS); |
static int blk_exp_close(MACRO_PROT_ARGS); |
static int in_line_argn(MACRO_PROT_ARGS); |
static int blk_part_imp(MACRO_PROT_ARGS); |
static int in_line(MACRO_PROT_ARGS); |
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static int obsolete(MACRO_PROT_ARGS); |
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static int phrase_ta(MACRO_PROT_ARGS); |
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static int phrase(struct mdoc *, int, int, char *); |
static int dword(struct mdoc *, int, int, |
static int rew_dohalt(int, enum mdoc_type, |
const char *, enum mdelim); |
const struct mdoc_node *); |
static int append_delims(struct mdoc *, |
static int rew_alt(int); |
int, int *, char *); |
static int rew_dobreak(int, const struct mdoc_node *); |
static enum mdoct lookup(enum mdoct, const char *); |
static int rew_elem(struct mdoc *, int); |
static enum mdoct lookup_raw(const char *); |
static int rew_impblock(struct mdoc *, int, int, int); |
static int make_pending(struct mdoc_node *, enum mdoct, |
static int rew_expblock(struct mdoc *, int, int, int); |
struct mdoc *, int, int); |
static int rew_subblock(enum mdoc_type, |
static int phrase(struct mdoc *, int, int, char *); |
struct mdoc *, int, int, int); |
static enum mdoct rew_alt(enum mdoct); |
static int rew_last(struct mdoc *, struct mdoc_node *); /* FIXME: make const */ |
static enum rew rew_dohalt(enum mdoct, enum mdoc_type, |
static int append_delims(struct mdoc *, int, int *, char *); |
const struct mdoc_node *); |
static int lookup(struct mdoc *, int, const char *); |
static int rew_elem(struct mdoc *, enum mdoct); |
static int lookup_raw(struct mdoc *, const char *); |
static int rew_last(struct mdoc *, |
static int swarn(struct mdoc *, enum mdoc_type, int, int, |
const struct mdoc_node *); |
const struct mdoc_node *); |
static int rew_sub(enum mdoc_type, struct mdoc *, |
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enum mdoct, int, int); |
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/* Central table of library: who gets parsed how. */ |
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const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ blk_full, 0 }, /* Sh */ |
{ blk_full, MDOC_PARSED }, /* Sh */ |
{ blk_full, 0 }, /* Ss */ |
{ blk_full, MDOC_PARSED }, /* Ss */ |
{ in_line_eoln, 0 }, /* Pp */ |
{ in_line_eoln, 0 }, /* Pp */ |
{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
Line 87 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 102 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
{ blk_full, 0 }, /* Nd */ |
{ blk_full, 0 }, /* Nd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ obsolete, 0 }, /* Ot */ |
{ obsolete, 0 }, /* Ot */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
{ in_line_eoln, 0 }, /* Rv */ |
{ 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 */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, 0 }, /* %D */ |
{ in_line_eoln, 0 }, /* %D */ |
Line 127 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 142 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
{ in_line_argn, MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
Line 161 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 176 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* Hf */ |
{ in_line_eoln, 0 }, /* Hf */ |
{ obsolete, 0 }, /* Fr */ |
{ obsolete, 0 }, /* Fr */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Lb */ |
{ in_line, 0 }, /* Lb */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
Line 175 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 190 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* sp */ |
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{ in_line_eoln, 0 }, /* %U */ |
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{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED }, /* Ta */ |
}; |
}; |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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static int |
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swarn(struct mdoc *mdoc, enum mdoc_type type, |
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int line, int pos, const struct mdoc_node *p) |
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{ |
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const char *n, *t, *tt; |
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n = t = "<root>"; |
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tt = "block"; |
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switch (type) { |
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case (MDOC_BODY): |
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tt = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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tt = "line"; |
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break; |
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default: |
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break; |
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} |
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switch (p->type) { |
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case (MDOC_BLOCK): |
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n = mdoc_macronames[p->tok]; |
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t = "block"; |
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break; |
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case (MDOC_BODY): |
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n = mdoc_macronames[p->tok]; |
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t = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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n = mdoc_macronames[p->tok]; |
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t = "line"; |
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break; |
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default: |
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break; |
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} |
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if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
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return(mdoc_verr(mdoc, line, pos, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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return(mdoc_vwarn(mdoc, line, pos, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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} |
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/* |
/* |
* This is called at the end of parsing. It must traverse up the tree, |
* This is called at the end of parsing. It must traverse up the tree, |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
* are errors. |
* are errors. |
*/ |
*/ |
int |
int |
mdoc_macroend(struct mdoc *mdoc) |
mdoc_macroend(struct mdoc *m) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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/* Scan for open explicit scopes. */ |
/* Scan for open explicit scopes. */ |
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n = MDOC_VALID & mdoc->last->flags ? |
n = MDOC_VALID & m->last->flags ? m->last->parent : m->last; |
mdoc->last->parent : mdoc->last; |
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for ( ; n; n = n->parent) { |
for ( ; n; n = n->parent) |
if (MDOC_BLOCK != n->type) |
if (MDOC_BLOCK == n->type && |
continue; |
MDOC_EXPLICIT & mdoc_macros[n->tok].flags) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
mdoc_nmsg(m, n, MANDOCERR_SCOPEEXIT); |
continue; |
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return(mdoc_nerr(mdoc, n, EOPEN)); |
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} |
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return(rew_last(mdoc, mdoc->first)); |
/* Rewind to the first. */ |
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return(rew_last(m, m->first)); |
} |
} |
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static int |
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lookup(struct mdoc *mdoc, int from, const char *p) |
/* |
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* Look up a macro from within a subsequent context. |
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*/ |
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static enum mdoct |
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lookup(enum mdoct from, const char *p) |
{ |
{ |
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if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) |
if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) |
return(MDOC_MAX); |
return(MDOC_MAX); |
return(lookup_raw(mdoc, p)); |
return(lookup_raw(p)); |
} |
} |
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static int |
/* |
lookup_raw(struct mdoc *mdoc, const char *p) |
* Lookup a macro following the initial line macro. |
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*/ |
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static enum mdoct |
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lookup_raw(const char *p) |
{ |
{ |
int res; |
enum mdoct res; |
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if (MDOC_MAX == (res = mdoc_hash_find(mdoc->htab, p))) |
if (MDOC_MAX == (res = mdoc_hash_find(p))) |
return(MDOC_MAX); |
return(MDOC_MAX); |
if (MDOC_CALLABLE & mdoc_macros[res].flags) |
if (MDOC_CALLABLE & mdoc_macros[res].flags) |
return(res); |
return(res); |
Line 277 lookup_raw(struct mdoc *mdoc, const char *p) |
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Line 252 lookup_raw(struct mdoc *mdoc, const char *p) |
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static int |
static int |
rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
rew_last(struct mdoc *mdoc, const struct mdoc_node *to) |
{ |
{ |
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struct mdoc_node *n, *np; |
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assert(to); |
assert(to); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
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/* LINTED */ |
/* LINTED */ |
while (mdoc->last != to) { |
while (mdoc->last != to) { |
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/* |
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* Save the parent here, because we may delete the |
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* m->last node in the post-validation phase and reset |
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* it to m->last->parent, causing a step in the closing |
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* out to be lost. |
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*/ |
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np = mdoc->last->parent; |
if ( ! mdoc_valid_post(mdoc)) |
if ( ! mdoc_valid_post(mdoc)) |
return(0); |
return(0); |
if ( ! mdoc_action_post(mdoc)) |
n = mdoc->last; |
return(0); |
mdoc->last = np; |
mdoc->last = mdoc->last->parent; |
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assert(mdoc->last); |
assert(mdoc->last); |
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mdoc->last->last = n; |
} |
} |
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if ( ! mdoc_valid_post(mdoc)) |
return(mdoc_valid_post(mdoc)); |
return(0); |
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return(mdoc_action_post(mdoc)); |
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} |
} |
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static int |
/* |
rew_alt(int tok) |
* For a block closing macro, return the corresponding opening one. |
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* Otherwise, return the macro itself. |
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*/ |
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static enum mdoct |
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rew_alt(enum mdoct tok) |
{ |
{ |
switch (tok) { |
switch (tok) { |
case (MDOC_Ac): |
case (MDOC_Ac): |
Line 336 rew_alt(int tok) |
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Line 321 rew_alt(int tok) |
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case (MDOC_Xc): |
case (MDOC_Xc): |
return(MDOC_Xo); |
return(MDOC_Xo); |
default: |
default: |
break; |
return(tok); |
} |
} |
abort(); |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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/* |
/* |
* Rewind rules. This indicates whether to stop rewinding |
* Rewinding to tok, how do we have to handle *p? |
* (REWIND_HALT) without touching our current scope, stop rewinding and |
* REWIND_NONE: *p would delimit tok, but no tok scope is open |
* close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT). |
* inside *p, so there is no need to rewind anything at all. |
* The scope-closing and so on occurs in the various rew_* routines. |
* REWIND_THIS: *p matches tok, so rewind *p and nothing else. |
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* REWIND_MORE: *p is implicit, rewind it and keep searching for tok. |
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* REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p. |
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* REWIND_LATER: *p is explicit and still open, postpone rewinding. |
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* REWIND_ERROR: No tok block is open at all. |
*/ |
*/ |
static int |
static enum rew |
rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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const struct mdoc_node *p) |
{ |
{ |
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/* |
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* No matching token, no delimiting block, no broken block. |
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* This can happen when full implicit macros are called for |
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* the first time but try to rewind their previous |
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* instance anyway. |
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*/ |
if (MDOC_ROOT == p->type) |
if (MDOC_ROOT == p->type) |
return(REWIND_HALT); |
return(MDOC_BLOCK == type && |
if (MDOC_VALID & p->flags) |
MDOC_EXPLICIT & mdoc_macros[tok].flags ? |
return(REWIND_NOHALT); |
REWIND_ERROR : REWIND_NONE); |
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/* |
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* When starting to rewind, skip plain text |
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* and nodes that have already been rewound. |
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*/ |
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if (MDOC_TEXT == p->type || MDOC_VALID & p->flags) |
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return(REWIND_MORE); |
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/* |
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* The easiest case: Found a matching token. |
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* This applies to both blocks and elements. |
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*/ |
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tok = rew_alt(tok); |
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if (tok == p->tok) |
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return(p->end ? REWIND_NONE : |
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type == p->type ? REWIND_THIS : REWIND_MORE); |
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/* |
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* While elements do require rewinding for themselves, |
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* they never affect rewinding of other nodes. |
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*/ |
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if (MDOC_ELEM == p->type) |
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return(REWIND_MORE); |
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/* |
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* Blocks delimited by our target token get REWIND_MORE. |
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* Blocks delimiting our target token get REWIND_NONE. |
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*/ |
switch (tok) { |
switch (tok) { |
case (MDOC_Aq): |
case (MDOC_Bl): |
/* FALLTHROUGH */ |
if (MDOC_It == p->tok) |
case (MDOC_Bq): |
return(REWIND_MORE); |
/* FALLTHROUGH */ |
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case (MDOC_Brq): |
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/* FALLTHROUGH */ |
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case (MDOC_D1): |
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/* FALLTHROUGH */ |
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case (MDOC_Dl): |
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/* FALLTHROUGH */ |
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case (MDOC_Dq): |
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/* FALLTHROUGH */ |
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case (MDOC_Op): |
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/* FALLTHROUGH */ |
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case (MDOC_Pq): |
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/* FALLTHROUGH */ |
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case (MDOC_Ql): |
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/* FALLTHROUGH */ |
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case (MDOC_Qq): |
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/* FALLTHROUGH */ |
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case (MDOC_Sq): |
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assert(MDOC_HEAD != type); |
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assert(MDOC_TAIL != type); |
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if (type == p->type && tok == p->tok) |
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return(REWIND_REWIND); |
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break; |
break; |
case (MDOC_It): |
case (MDOC_It): |
assert(MDOC_TAIL != type); |
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if (type == p->type && tok == p->tok) |
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return(REWIND_REWIND); |
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if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
return(REWIND_HALT); |
return(REWIND_NONE); |
break; |
break; |
case (MDOC_Sh): |
/* |
if (type == p->type && tok == p->tok) |
* XXX Badly nested block handling still fails badly |
return(REWIND_REWIND); |
* when one block is breaking two blocks of the same type. |
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* This is an incomplete and extremely ugly workaround, |
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* required to let the OpenBSD tree build. |
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*/ |
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case (MDOC_Oo): |
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if (MDOC_Op == p->tok) |
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return(REWIND_MORE); |
break; |
break; |
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case (MDOC_Nm): |
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return(REWIND_NONE); |
case (MDOC_Nd): |
case (MDOC_Nd): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ss): |
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) |
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
return(REWIND_HALT); |
return(REWIND_NONE); |
break; |
|
case (MDOC_Ao): |
|
/* FALLTHROUGH */ |
/* 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(int 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): |
case (MDOC_Sh): |
if (MDOC_Nd == p->tok) |
if (MDOC_Nd == p->tok || MDOC_Ss == p->tok || |
return(1); |
MDOC_Sh == p->tok) |
if (MDOC_Ss == p->tok) |
return(REWIND_MORE); |
return(1); |
|
return(MDOC_Sh == p->tok); |
|
case (MDOC_El): |
|
if (MDOC_It == p->tok) |
|
return(1); |
|
break; |
break; |
case (MDOC_Oc): |
|
/* XXX - experimental! */ |
|
if (MDOC_Op == p->tok) |
|
return(1); |
|
break; |
|
default: |
default: |
break; |
break; |
} |
} |
|
|
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
/* |
return(p->tok == rew_alt(tok)); |
* Default block rewinding rules. |
else if (MDOC_BLOCK == p->type) |
* In particular, always skip block end markers, |
return(1); |
* 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); |
} |
} |
|
|
|
|
static int |
static int |
rew_elem(struct mdoc *mdoc, int tok) |
rew_elem(struct mdoc *mdoc, enum mdoct tok) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
|
|
Line 550 rew_elem(struct mdoc *mdoc, int tok) |
|
Line 452 rew_elem(struct mdoc *mdoc, int 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 |
static int |
rew_subblock(enum mdoc_type type, struct mdoc *mdoc, |
make_pending(struct mdoc_node *broken, enum mdoct tok, |
int tok, int line, int ppos) |
struct mdoc *m, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *breaker; |
int c; |
|
|
|
/* LINTED */ |
/* |
for (n = mdoc->last; n; n = n->parent) { |
* Iterate backwards, searching for the block matching tok, |
c = rew_dohalt(tok, type, n); |
* that is, the block breaking the *broken block. |
if (REWIND_HALT == c) |
*/ |
return(1); |
for (breaker = broken->parent; breaker; breaker = breaker->parent) { |
if (REWIND_REWIND == c) |
|
break; |
/* |
else if (rew_dobreak(tok, n)) |
* 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; |
continue; |
if ( ! swarn(mdoc, type, line, ppos, n)) |
} |
return(0); |
|
|
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, m->parse, line, ppos, |
|
"%s breaks %s", mdoc_macronames[tok], |
|
mdoc_macronames[broken->tok]); |
|
return(1); |
} |
} |
|
|
assert(n); |
/* |
return(rew_last(mdoc, n)); |
* Found no matching block for tok. |
|
* Are you trying to close a block that is not open? |
|
*/ |
|
return(0); |
} |
} |
|
|
|
|
static int |
static int |
rew_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
rew_sub(enum mdoc_type t, struct mdoc *m, |
|
enum mdoct tok, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int c; |
|
|
|
/* LINTED */ |
n = m->last; |
for (n = mdoc->last; n; n = n->parent) { |
while (n) { |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
switch (rew_dohalt(tok, t, n)) { |
if (REWIND_HALT == c) |
case (REWIND_NONE): |
return(mdoc_perr(mdoc, line, ppos, ENOCTX)); |
return(1); |
if (REWIND_REWIND == c) |
case (REWIND_THIS): |
break; |
break; |
else if (rew_dobreak(tok, n)) |
case (REWIND_FORCE): |
|
mandoc_vmsg(MANDOCERR_SCOPEBROKEN, m->parse, |
|
line, ppos, "%s breaks %s", |
|
mdoc_macronames[tok], |
|
mdoc_macronames[n->tok]); |
|
/* FALLTHROUGH */ |
|
case (REWIND_MORE): |
|
n = n->parent; |
continue; |
continue; |
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
case (REWIND_LATER): |
return(0); |
if (make_pending(n, tok, m, line, ppos) || |
|
MDOC_BLOCK != t) |
|
return(1); |
|
/* FALLTHROUGH */ |
|
case (REWIND_ERROR): |
|
mdoc_pmsg(m, line, ppos, MANDOCERR_NOSCOPE); |
|
return(1); |
|
} |
|
break; |
} |
} |
|
|
assert(n); |
assert(n); |
return(rew_last(mdoc, n)); |
if ( ! rew_last(m, n)) |
} |
return(0); |
|
|
|
/* |
|
* The current block extends an enclosing block. |
|
* Now that the current block ends, close the enclosing block, too. |
|
*/ |
|
while (NULL != (n = n->pending)) { |
|
if ( ! rew_last(m, n)) |
|
return(0); |
|
if (MDOC_HEAD == n->type && |
|
! mdoc_body_alloc(m, n->line, n->pos, n->tok)) |
|
return(0); |
|
} |
|
|
/* FIXME: can this be merged with subblock? */ |
return(1); |
|
} |
|
|
|
/* |
|
* Allocate a word and check whether it's punctuation or not. |
|
* Punctuation consists of those tokens found in mdoc_isdelim(). |
|
*/ |
static int |
static int |
rew_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
dword(struct mdoc *m, int line, |
|
int col, const char *p, enum mdelim d) |
{ |
{ |
struct mdoc_node *n; |
|
int c; |
if (DELIM_MAX == d) |
|
d = mdoc_isdelim(p); |
|
|
/* LINTED */ |
if ( ! mdoc_word_alloc(m, line, col, p)) |
for (n = mdoc->last; n; n = n->parent) { |
return(0); |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
else if (REWIND_REWIND == c) |
|
break; |
|
else if (rew_dobreak(tok, n)) |
|
continue; |
|
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
return(0); |
|
} |
|
|
|
assert(n); |
if (DELIM_OPEN == d) |
return(rew_last(mdoc, n)); |
m->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 && m->last->prev && |
|
m->last->prev->tok != MDOC_No) |
|
m->last->flags |= MDOC_DELIMC; |
|
|
|
return(1); |
|
} |
|
|
static int |
static int |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
append_delims(struct mdoc *m, int line, int *pos, char *buf) |
{ |
{ |
int c, lastarg; |
int la; |
|
enum margserr ac; |
char *p; |
char *p; |
|
|
if (0 == buf[*pos]) |
if ('\0' == buf[*pos]) |
return(1); |
return(1); |
|
|
for (;;) { |
for (;;) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
ac = mdoc_zargs(m, line, pos, buf, &p); |
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
else if (ARGS_EOLN == c) |
else if (ARGS_EOLN == ac) |
break; |
break; |
assert(mdoc_isdelim(p)); |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
dword(m, line, la, p, DELIM_MAX); |
return(0); |
|
|
/* |
|
* 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)) |
|
m->last->flags |= MDOC_EOS; |
} |
} |
|
|
return(1); |
return(1); |
Line 657 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
Line 663 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
static int |
static int |
blk_exp_close(MACRO_PROT_ARGS) |
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
int j, c, lastarg, maxargs, flushed; |
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 atok, ntok; |
char *p; |
char *p; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Ec): |
case (MDOC_Ec): |
maxargs = 1; |
maxargs = 1; |
Line 669 blk_exp_close(MACRO_PROT_ARGS) |
|
Line 683 blk_exp_close(MACRO_PROT_ARGS) |
|
break; |
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 = m->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, m, line, ppos); |
|
|
|
/* |
|
* Mark the place where the formatting - but not |
|
* the scope - of the current block ends. |
|
*/ |
|
if ( ! mdoc_endbody_alloc(m, 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_CALLABLE & mdoc_macros[n->tok].flags) |
|
later = n; |
|
} |
|
|
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
|
/* FIXME: do this in validate */ |
if (buf[*pos]) |
if (buf[*pos]) |
if ( ! mdoc_pwarn(mdoc, line, ppos, ENOLINE)) |
mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST); |
return(0); |
|
|
|
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
return(rew_expblock(mdoc, tok, line, ppos)); |
return(rew_sub(MDOC_BLOCK, m, tok, line, ppos)); |
} |
} |
|
|
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
if (maxargs > 0) { |
if (NULL == later && maxargs > 0) |
if ( ! mdoc_tail_alloc(mdoc, line, |
if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) |
ppos, rew_alt(tok))) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
for (flushed = j = 0; ; j++) { |
for (flushed = j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rew_expblock(mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == ac) |
break; |
break; |
if (ARGS_EOLN == c) |
if (ARGS_EOLN == ac) |
break; |
break; |
|
|
if (MDOC_MAX != (c = lookup(mdoc, tok, p))) { |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
if ( ! flushed) { |
|
if ( ! rew_expblock(mdoc, tok, |
if (MDOC_MAX == ntok) { |
line, ppos)) |
if ( ! dword(m, line, lastarg, p, DELIM_MAX)) |
return(0); |
|
flushed = 1; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
return(0); |
break; |
continue; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! flushed) { |
|
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf)) |
return(0); |
return(0); |
|
break; |
} |
} |
|
|
if ( ! flushed && ! rew_expblock(mdoc, tok, line, ppos)) |
if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* In-line macros where reserved words cause scope close-reopen. |
|
*/ |
|
static int |
static int |
in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
int la, lastpunct, c, w, cnt, d, nc; |
int la, scope, cnt, nc, nl; |
struct mdoc_arg *arg; |
enum margverr av; |
char *p; |
enum mdoct ntok; |
|
enum margserr ac; |
|
enum mdelim d; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* Whether we allow ignored elements (those without content, |
* Whether we allow ignored elements (those without content, |
* usually because of reserved words) to squeak by. |
* usually because of reserved words) to squeak by. |
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_An): |
case (MDOC_An): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 753 in_line(MACRO_PROT_ARGS) |
|
Line 829 in_line(MACRO_PROT_ARGS) |
|
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Fl): |
case (MDOC_Fl): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Lk): |
case (MDOC_Mt): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Nm): |
case (MDOC_Nm): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 767 in_line(MACRO_PROT_ARGS) |
|
Line 843 in_line(MACRO_PROT_ARGS) |
|
|
|
for (arg = NULL;; ) { |
for (arg = NULL;; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == av) { |
*pos = la; |
*pos = la; |
break; |
break; |
} |
} |
if (ARGV_EOLN == c) |
if (ARGV_EOLN == av) |
break; |
break; |
if (ARGV_ARG == c) |
if (ARGV_ARG == av) |
continue; |
continue; |
|
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
for (cnt = 0, lastpunct = 1;; ) { |
for (cnt = scope = 0;; ) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == w) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == w) |
if (ARGS_EOLN == ac) |
break; |
break; |
if (ARGS_PUNCT == w) |
if (ARGS_PUNCT == ac) |
break; |
break; |
|
|
/* Quoted words shouldn't be looked-up. */ |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
c = ARGS_QWORD == w ? MDOC_MAX : lookup(mdoc, tok, p); |
|
|
|
/* |
/* |
* In this case, we've located a submacro and must |
* In this case, we've located a submacro and must |
* execute it. Close out scope, if open. If no |
* execute it. Close out scope, if open. If no |
Line 804 in_line(MACRO_PROT_ARGS) |
|
Line 878 in_line(MACRO_PROT_ARGS) |
|
* or raise a warning. |
* or raise a warning. |
*/ |
*/ |
|
|
if (MDOC_MAX != c) { |
if (MDOC_MAX != ntok) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (scope && ! rew_elem(m, tok)) |
return(0); |
return(0); |
if (nc && 0 == cnt) { |
if (nc && 0 == cnt) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
tok, arg)) |
|
return(0); |
return(0); |
if ( ! rew_last(mdoc, mdoc->last)) |
if ( ! rew_last(m, m->last)) |
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY); |
return(0); |
|
} |
} |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
|
if (0 == c) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
/* |
/* |
Line 832 in_line(MACRO_PROT_ARGS) |
|
Line 904 in_line(MACRO_PROT_ARGS) |
|
* the word. |
* the word. |
*/ |
*/ |
|
|
d = mdoc_isdelim(p); |
d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p); |
|
|
if (ARGS_QWORD != w && d) { |
if (DELIM_NONE != d) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
/* |
|
* 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(m, 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(m, tok)) |
return(0); |
return(0); |
lastpunct = 1; |
scope = 0; |
} else if (lastpunct) { |
} else if ( ! scope) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if (0 == c) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
scope = 1; |
lastpunct = 0; |
|
} |
} |
|
|
if ( ! d) |
if (DELIM_NONE == d) |
cnt++; |
cnt++; |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
|
if ( ! dword(m, line, la, p, d)) |
return(0); |
return(0); |
|
|
|
/* |
|
* `Fl' macros have their scope re-opened with each new |
|
* word so that the `-' can be added to each one without |
|
* having to parse out spaces. |
|
*/ |
|
if (scope && MDOC_Fl == tok) { |
|
if ( ! rew_elem(m, tok)) |
|
return(0); |
|
scope = 0; |
|
} |
} |
} |
|
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (scope && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
|
/* |
/* |
* If no elements have been collected and we're allowed to have |
* If no elements have been collected and we're allowed to have |
* empties (nc), open a scope and close it out. Otherwise, |
* empties (nc), open a scope and close it out. Otherwise, |
* raise a warning. |
* raise a warning. |
* |
|
*/ |
*/ |
|
|
if (nc && 0 == cnt) { |
if (nc && 0 == cnt) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if (0 == c) |
|
return(0); |
return(0); |
if ( ! rew_last(mdoc, mdoc->last)) |
if ( ! rew_last(m, m->last)) |
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY); |
return(0); |
|
} |
} |
|
|
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* Block full-explicit and full-implicit. |
|
*/ |
|
static int |
static int |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, reopen, dohead; |
int la, nl, nparsed; |
struct mdoc_arg *arg; |
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 mdoc_type mtt; |
|
enum mdoct ntok; |
|
enum margserr ac, lac; |
|
enum margverr av; |
char *p; |
char *p; |
|
|
/* |
nl = MDOC_NEWLINE & m->flags; |
* Whether to process a block-head section. If this is |
|
* non-zero, then a head will be opened for all line arguments. |
|
* If not, then the head will always be empty and only a body |
|
* will be opened, which will stay open at the eoln. |
|
*/ |
|
|
|
switch (tok) { |
/* Close out prior implicit scope. */ |
case (MDOC_Nd): |
|
dohead = 0; |
|
break; |
|
default: |
|
dohead = 1; |
|
break; |
|
} |
|
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
tok, line, ppos)) |
|
return(0); |
return(0); |
if ( ! rew_impblock(mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
} |
} |
|
|
|
/* |
|
* 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 |
|
* for `It -column', which has phrase-part syntax instead of |
|
* regular child nodes. |
|
*/ |
|
|
for (arg = NULL;; ) { |
for (arg = NULL;; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == av) { |
*pos = lastarg; |
*pos = la; |
break; |
break; |
} |
} |
|
|
if (ARGV_EOLN == c) |
if (ARGV_EOLN == av) |
break; |
break; |
if (ARGV_ARG == c) |
if (ARGV_ARG == av) |
continue; |
continue; |
|
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == buf[*pos]) { |
head = body = NULL; |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
/* |
return(0); |
* 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 == m->last->parent->tok && |
|
LIST_diag == m->last->parent->norm->Bl.type; |
|
|
/* Immediately close out head and enter body, if applicable. */ |
/* |
|
* The `Nd' macro has all arguments in its body: it's a hybrid |
|
* of block partial-explicit and full-implicit. Stupid. |
|
*/ |
|
|
if (0 == dohead) { |
if (MDOC_Nd == tok) { |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
head = m->last; |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
} |
} |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
ac = ARGS_ERROR; |
|
|
for (reopen = 0;; ) { |
for ( ; ; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
/* Initialise last-phrase-type with ARGS_PEND. */ |
|
lac = ARGS_ERROR == ac ? ARGS_PEND : ac; |
|
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_PUNCT == ac) |
|
break; |
|
|
|
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == c) |
|
|
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, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
break; |
break; |
if (ARGS_PHRASE == c) { |
} |
assert(dohead); |
|
if (reopen && ! mdoc_head_alloc |
/* |
(mdoc, line, ppos, tok)) |
* 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_QWORD != ac && |
|
DELIM_OPEN == mdoc_isdelim(p)) { |
|
if ( ! dword(m, line, la, p, DELIM_OPEN)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
continue; |
|
} |
|
|
|
/* Open a head if one hasn't been opened. */ |
|
|
|
if (NULL == head) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
head = m->last; |
|
} |
|
|
|
if (ARGS_PHRASE == ac || |
|
ARGS_PEND == ac || |
|
ARGS_PPHRASE == ac) { |
/* |
/* |
* Phrases are self-contained macro phrases used |
* If we haven't opened a body yet, rewind the |
* in the columnar output of a macro. They need |
* head; if we have, rewind that instead. |
* special handling. |
|
*/ |
*/ |
if ( ! phrase(mdoc, line, lastarg, buf)) |
|
|
mtt = body ? MDOC_BODY : MDOC_HEAD; |
|
if ( ! rew_sub(mtt, m, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
/* Then allocate our body context. */ |
|
|
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
|
body = m->last; |
|
|
reopen = 1; |
/* |
|
* 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) |
|
m->flags |= MDOC_PPHRASE; |
|
if (ARGS_PEND == ac && ARGS_PPHRASE == lac) |
|
m->flags |= MDOC_PPHRASE; |
|
|
|
if ( ! phrase(m, line, la, buf)) |
|
return(0); |
|
|
|
m->flags &= ~MDOC_PPHRASE; |
continue; |
continue; |
} |
} |
|
|
if (MDOC_MAX == (c = lookup(mdoc, tok, p))) { |
ntok = nparsed || ARGS_QWORD == ac ? |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
MDOC_MAX : lookup(tok, p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(m, line, la, p, DELIM_MAX)) |
return(0); |
return(0); |
continue; |
continue; |
} |
} |
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
break; |
break; |
} |
} |
|
|
|
if (NULL == head) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
head = m->last; |
|
} |
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
/* If the body's already open, then just return. */ |
/* If we've already opened our body, exit now. */ |
if (0 == dohead) |
|
|
if (NULL != body) |
|
goto out; |
|
|
|
/* |
|
* 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) { |
|
if (MDOC_BLOCK == n->type && |
|
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
|
! (MDOC_VALID & n->flags)) { |
|
n->pending = head; |
|
return(1); |
|
} |
|
} |
|
|
|
/* Close out scopes to remain in a consistent state. */ |
|
|
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
|
|
out: |
|
if ( ! (MDOC_FREECOL & m->flags)) |
return(1); |
return(1); |
|
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
|
m->flags &= ~MDOC_FREECOL; |
return(1); |
return(1); |
} |
} |
|
|
|
|
/* |
|
* Block partial-imnplicit scope. |
|
*/ |
|
static int |
static int |
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c; |
int la, nl; |
|
enum mdoct ntok; |
|
enum margserr ac; |
char *p; |
char *p; |
struct mdoc_node *blk, *body, *n; |
struct mdoc_node *blk; /* saved block context */ |
|
struct mdoc_node *body; /* saved body context */ |
|
struct mdoc_node *n; |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
nl = MDOC_NEWLINE & m->flags; |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
blk = mdoc->last; |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
/* |
|
* A macro that spans to the end of the line. This is generally |
|
* (but not necessarily) called as the first macro. The block |
|
* has a head as the immediate child, which is always empty, |
|
* followed by zero or more opening punctuation nodes, then the |
|
* body (which may be empty, depending on the macro), then zero |
|
* or more closing punctuation nodes. |
|
*/ |
|
|
|
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
blk = m->last; |
|
|
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
body = mdoc->last; |
return(0); |
|
|
/* XXX - no known argument macros. */ |
/* |
|
* Open the body scope "on-demand", that is, after we've |
|
* processed all our the leading delimiters (open parenthesis, |
|
* etc.). |
|
*/ |
|
|
for (;;) { |
for (body = NULL; ; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_EOLN == ac) |
break; |
break; |
if (ARGS_EOLN == c) |
if (ARGS_PUNCT == ac) |
break; |
break; |
|
|
if (MDOC_MAX == (c = lookup(mdoc, tok, p))) { |
if (NULL == body && ARGS_QWORD != ac && |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
DELIM_OPEN == mdoc_isdelim(p)) { |
|
if ( ! dword(m, line, la, p, DELIM_OPEN)) |
return(0); |
return(0); |
continue; |
continue; |
} |
} |
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if (NULL == body) { |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(m, line, la, p, DELIM_MAX)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
break; |
break; |
} |
} |
|
|
/* |
/* Clean-ups to leave in a consistent state. */ |
* Since we know what our context is, we can rewind directly to |
|
* it. This allows us to accomodate for our scope being |
if (NULL == body) { |
* violated by another token. |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->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. |
*/ |
*/ |
|
|
for (n = mdoc->last; n; n = n->parent) |
if (n && MDOC_TEXT == n->type && n->string) |
if (body == n) |
if (mandoc_eos(n->string, strlen(n->string), 1)) |
break; |
n->flags |= MDOC_EOS; |
|
|
if (NULL == n && ! mdoc_nwarn(mdoc, body, EIMPBRK)) |
/* Up-propagate the end-of-space flag. */ |
return(0); |
|
|
|
if (n && ! rew_last(mdoc, body)) |
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 = m->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, m, line, ppos); |
|
if ( ! mdoc_endbody_alloc(m, 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. |
|
*/ |
|
if (n != body) |
|
mandoc_vmsg(MANDOCERR_SCOPENEST, m->parse, line, ppos, |
|
"%s broken", mdoc_macronames[tok]); |
|
|
|
if (n && ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
/* Standard appending of delimiters. */ |
|
|
|
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
if (n && ! rew_last(mdoc, blk)) |
/* Rewind scope, if applicable. */ |
|
|
|
if (n && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
/* |
|
* Block partial-explicit macros. |
|
*/ |
|
static int |
static int |
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs; |
int la, nl; |
|
enum margserr ac; |
|
struct mdoc_node *head; /* keep track of head */ |
|
struct mdoc_node *body; /* keep track of body */ |
char *p; |
char *p; |
|
enum mdoct ntok; |
|
|
flushed = 0; |
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* Number of arguments (head arguments). Only `Eo' has these, |
* The opening of an explicit macro having zero or more leading |
|
* punctuation nodes; a head with optional single element (the |
|
* case of `Eo'); and a body that may be empty. |
*/ |
*/ |
|
|
switch (tok) { |
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
case (MDOC_Eo): |
|
maxargs = 1; |
|
break; |
|
default: |
|
maxargs = 0; |
|
break; |
|
} |
|
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == maxargs) { |
for (head = body = NULL; ; ) { |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
la = *pos; |
|
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
if (ARGS_PUNCT == ac) |
tok, line, ppos)) |
break; |
return(0); |
if (ARGS_EOLN == ac) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
break; |
return(0); |
|
flushed = 1; |
|
} else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
/* Flush out leading punctuation. */ |
|
|
for (j = 0; ; j++) { |
if (NULL == head && ARGS_QWORD != ac && |
lastarg = *pos; |
DELIM_OPEN == mdoc_isdelim(p)) { |
if (j == maxargs && ! flushed) { |
assert(NULL == body); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
if ( ! dword(m, line, la, p, DELIM_OPEN)) |
tok, line, ppos)) |
|
return(0); |
return(0); |
flushed = 1; |
continue; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
} |
|
|
|
if (NULL == head) { |
|
assert(NULL == body); |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
head = m->last; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
/* |
assert(ARGS_PHRASE != c); |
* `Eo' gobbles any data into the head, but most other |
|
* macros just immediately close out and begin the body. |
|
*/ |
|
|
if (ARGS_ERROR == c) |
if (NULL == body) { |
return(0); |
assert(head); |
if (ARGS_PUNCT == c) |
/* No check whether it's a macro! */ |
break; |
if (MDOC_Eo == tok) |
if (ARGS_EOLN == c) |
if ( ! dword(m, line, la, p, DELIM_MAX)) |
break; |
|
|
|
if (MDOC_MAX != (c = lookup(mdoc, tok, p))) { |
|
if ( ! flushed) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
return(0); |
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
|
return(0); |
return(0); |
break; |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
|
|
if (MDOC_Eo == tok) |
|
continue; |
} |
} |
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
assert(NULL != head && NULL != body); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(m, line, la, p, DELIM_MAX)) |
return(0); |
return(0); |
flushed = 1; |
continue; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
|
break; |
} |
} |
|
|
if ( ! flushed) { |
/* Clean-up to leave in a consistent state. */ |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
|
if (NULL == head) |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
|
if (NULL == body) { |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
} |
} |
|
|
if (ppos > 1) |
/* Standard appending of delimiters. */ |
|
|
|
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
/* ARGSUSED */ |
* In-line macros where reserved words signal closure of the macro. |
|
* Macros also have a fixed number of arguments. |
|
*/ |
|
static int |
static int |
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs; |
int la, flushed, j, maxargs, nl; |
struct mdoc_arg *arg; |
enum margserr ac; |
char *p; |
enum margverr av; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
enum mdoct ntok; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
/* |
|
* Fixed maximum arguments per macro. Some of these have none |
/* |
* and close as soon as the invocation is parsed. |
* A line macro that has a fixed number of arguments (maxargs). |
|
* Only open the scope once the first non-leading-punctuation is |
|
* found (unless MDOC_IGNDELIM is noted, like in `Pf'), then |
|
* keep it open until the maximum number of arguments are |
|
* exhausted. |
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
Line 1229 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1501 in_line_argn(MACRO_PROT_ARGS) |
|
case (MDOC_Ux): |
case (MDOC_Ux): |
maxargs = 0; |
maxargs = 0; |
break; |
break; |
|
case (MDOC_Bx): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xr): |
|
maxargs = 2; |
|
break; |
default: |
default: |
maxargs = 1; |
maxargs = 1; |
break; |
break; |
} |
} |
|
|
for (arg = NULL;; ) { |
for (arg = NULL; ; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == av) { |
*pos = lastarg; |
*pos = la; |
break; |
break; |
} |
} |
|
|
if (ARGV_EOLN == c) |
if (ARGV_EOLN == av) |
break; |
break; |
if (ARGV_ARG == c) |
if (ARGV_ARG == av) |
continue; |
continue; |
|
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
for (flushed = j = 0; ; ) { |
return(0); |
la = *pos; |
mdoc->next = MDOC_NEXT_CHILD; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
for (flushed = j = 0; ; j++) { |
if (ARGS_ERROR == ac) |
lastarg = *pos; |
return(0); |
|
if (ARGS_PUNCT == ac) |
|
break; |
|
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
|
ARGS_QWORD != ac && 0 == j && |
|
DELIM_OPEN == mdoc_isdelim(p)) { |
|
if ( ! dword(m, line, la, p, DELIM_OPEN)) |
|
return(0); |
|
continue; |
|
} else if (0 == j) |
|
if ( ! mdoc_elem_alloc(m, line, la, tok, arg)) |
|
return(0); |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rew_elem(mdoc, tok)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
if (ARGS_ERROR == c) |
if (MDOC_MAX != ntok) { |
return(0); |
if ( ! flushed && ! rew_elem(m, tok)) |
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (MDOC_MAX != (c = lookup(mdoc, tok, p))) { |
|
if ( ! flushed && ! rew_elem(mdoc, tok)) |
|
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
|
j++; |
break; |
break; |
} |
} |
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
! flushed && mdoc_isdelim(p)) { |
ARGS_QWORD != ac && |
if ( ! rew_elem(mdoc, tok)) |
! flushed && |
|
DELIM_NONE != mdoc_isdelim(p)) { |
|
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! dword(m, line, la, p, DELIM_MAX)) |
return(0); |
return(0); |
|
j++; |
} |
} |
|
|
if ( ! flushed && ! rew_elem(mdoc, tok)) |
if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg)) |
return(0); |
return(0); |
|
|
if (ppos > 1) |
/* Close out in a consistent state. */ |
|
|
|
if ( ! flushed && ! rew_elem(m, tok)) |
|
return(0); |
|
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* In-line macro that spans an entire line. May be callable, but has no |
|
* subsequent parsed arguments. |
|
*/ |
|
static int |
static int |
in_line_eoln(MACRO_PROT_ARGS) |
in_line_eoln(MACRO_PROT_ARGS) |
{ |
{ |
int c, w, la; |
int la; |
struct mdoc_arg *arg; |
enum margserr ac; |
char *p; |
enum margverr av; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
enum mdoct ntok; |
|
|
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
|
|
arg = NULL; |
if (tok == MDOC_Pp) |
|
rew_sub(MDOC_BLOCK, m, MDOC_Nm, line, ppos); |
|
|
for (;;) { |
/* Parse macro arguments. */ |
|
|
|
for (arg = NULL; ; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == av) { |
*pos = la; |
*pos = la; |
break; |
break; |
} |
} |
if (ARGV_EOLN == c) |
if (ARGV_EOLN == av) |
break; |
break; |
if (ARGV_ARG == c) |
if (ARGV_ARG == av) |
continue; |
continue; |
|
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
/* Open element scope. */ |
|
|
|
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
/* Parse argument terms. */ |
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == w) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == w) |
if (ARGS_EOLN == ac) |
break; |
break; |
|
|
c = ARGS_QWORD == w ? MDOC_MAX : lookup(mdoc, tok, p); |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
if (MDOC_MAX != c) { |
if (MDOC_MAX == ntok) { |
if ( ! rew_elem(mdoc, tok)) |
if ( ! dword(m, line, la, p, DELIM_MAX)) |
return(0); |
return(0); |
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
continue; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
return(mdoc_macro(m, ntok, line, la, pos, buf)); |
} |
} |
|
|
return(rew_elem(mdoc, tok)); |
/* Close out (no delimiters). */ |
|
|
|
return(rew_elem(m, tok)); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
|
ctx_synopsis(MACRO_PROT_ARGS) |
|
{ |
|
int nl; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
|
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
|
if ( ! (MDOC_SYNOPSIS & m->flags)) |
|
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
|
/* If we're a nested call, same place. */ |
|
if ( ! nl) |
|
return(in_line(m, 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. |
|
*/ |
|
if (MDOC_Nm == tok) |
|
return(blk_full(m, tok, line, ppos, pos, buf)); |
|
assert(MDOC_Vt == tok); |
|
return(blk_part_imp(m, tok, line, ppos, pos, buf)); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
obsolete(MACRO_PROT_ARGS) |
obsolete(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(mdoc_pwarn(mdoc, line, ppos, EOBS)); |
mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS); |
|
return(1); |
} |
} |
|
|
|
|
Line 1380 obsolete(MACRO_PROT_ARGS) |
|
Line 1708 obsolete(MACRO_PROT_ARGS) |
|
* macro is encountered. |
* macro is encountered. |
*/ |
*/ |
static int |
static int |
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
phrase(struct mdoc *m, int line, int ppos, char *buf) |
{ |
{ |
int c, w, la, pos; |
int la, pos; |
char *p; |
enum margserr ac; |
|
enum mdoct ntok; |
|
char *p; |
|
|
for (pos = ppos; ; ) { |
for (pos = ppos; ; ) { |
la = pos; |
la = pos; |
|
|
/* Note: no calling context! */ |
ac = mdoc_zargs(m, line, &pos, buf, &p); |
w = mdoc_zargs(mdoc, line, &pos, buf, &p); |
|
|
|
if (ARGS_ERROR == w) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == w) |
if (ARGS_EOLN == ac) |
break; |
break; |
|
|
c = ARGS_QWORD == w ? MDOC_MAX : lookup_raw(mdoc, p); |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
|
|
if (MDOC_MAX != c) { |
if (MDOC_MAX == ntok) { |
if ( ! mdoc_macro(mdoc, c, line, la, &pos, buf)) |
if ( ! dword(m, line, la, p, DELIM_MAX)) |
return(0); |
return(0); |
return(append_delims(mdoc, line, &pos, buf)); |
continue; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
if ( ! mdoc_macro(m, ntok, line, la, &pos, buf)) |
return(0); |
return(0); |
|
return(append_delims(m, line, &pos, buf)); |
} |
} |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
phrase_ta(MACRO_PROT_ARGS) |
|
{ |
|
int la; |
|
enum mdoct ntok; |
|
enum margserr ac; |
|
char *p; |
|
|
|
/* |
|
* FIXME: this is overly restrictive: if the `Ta' is unexpected, |
|
* it should simply error out with ARGSLOST. |
|
*/ |
|
|
|
if ( ! rew_sub(MDOC_BODY, m, MDOC_It, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, MDOC_It)) |
|
return(0); |
|
|
|
for (;;) { |
|
la = *pos; |
|
ac = mdoc_zargs(m, 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(m, line, la, p, DELIM_MAX)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
return(append_delims(m, line, pos, buf)); |
|
} |
|
|
|
return(1); |
|
} |