=================================================================== RCS file: /cvs/mandoc/mdoc_validate.c,v retrieving revision 1.122 retrieving revision 1.298 diff -u -p -r1.122 -r1.298 --- mandoc/mdoc_validate.c 2010/11/29 12:22:28 1.122 +++ mandoc/mdoc_validate.c 2015/10/20 02:01:32 1.298 @@ -1,24 +1,27 @@ -/* $Id: mdoc_validate.c,v 1.122 2010/11/29 12:22:28 kristaps Exp $ */ +/* $Id: mdoc_validate.c,v 1.298 2015/10/20 02:01:32 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons + * Copyright (c) 2008-2012 Kristaps Dzonsons + * Copyright (c) 2010-2015 Ingo Schwarze + * Copyright (c) 2010 Joerg Sonnenberger * * 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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include +#ifndef OSNAME +#include +#endif #include #include @@ -26,15 +29,20 @@ #include #include #include +#include +#include "mandoc_aux.h" #include "mandoc.h" -#include "libmdoc.h" +#include "roff.h" +#include "mdoc.h" #include "libmandoc.h" +#include "roff_int.h" +#include "libmdoc.h" /* FIXME: .Bl -diag can't have non-text children in HEAD. */ -#define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n -#define POST_ARGS struct mdoc *mdoc +#define PRE_ARGS struct roff_man *mdoc, struct roff_node *n +#define POST_ARGS struct roff_man *mdoc enum check_ineq { CHECK_LT, @@ -42,242 +50,200 @@ enum check_ineq { CHECK_EQ }; -enum check_lvl { - CHECK_WARN, - CHECK_ERROR, - CHECK_FATAL -}; +typedef void (*v_pre)(PRE_ARGS); +typedef void (*v_post)(POST_ARGS); -typedef int (*v_pre)(PRE_ARGS); -typedef int (*v_post)(POST_ARGS); - struct valids { - v_pre *pre; - v_post *post; + v_pre pre; + v_post post; }; -static int check_count(struct mdoc *, enum mdoc_type, - enum check_lvl, enum check_ineq, int); -static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type); -static int check_stdarg(PRE_ARGS); -static int check_text(struct mdoc *, int, int, char *); -static int check_argv(struct mdoc *, - struct mdoc_node *, struct mdoc_argv *); -static int check_args(struct mdoc *, struct mdoc_node *); +static void check_text(struct roff_man *, int, int, char *); +static void check_argv(struct roff_man *, + struct roff_node *, struct mdoc_argv *); +static void check_args(struct roff_man *, struct roff_node *); +static int child_an(const struct roff_node *); +static size_t macro2len(int); +static void rewrite_macro2len(char **); -static int ebool(POST_ARGS); -static int berr_ge1(POST_ARGS); -static int bwarn_ge1(POST_ARGS); -static int eerr_eq0(POST_ARGS); -static int eerr_eq1(POST_ARGS); -static int eerr_ge1(POST_ARGS); -static int eerr_le1(POST_ARGS); -static int ewarn_eq0(POST_ARGS); -static int ewarn_ge1(POST_ARGS); -static int herr_eq0(POST_ARGS); -static int herr_ge1(POST_ARGS); -static int hwarn_eq0(POST_ARGS); -static int hwarn_eq1(POST_ARGS); -static int hwarn_le1(POST_ARGS); +static void post_an(POST_ARGS); +static void post_at(POST_ARGS); +static void post_bf(POST_ARGS); +static void post_bk(POST_ARGS); +static void post_bl(POST_ARGS); +static void post_bl_block(POST_ARGS); +static void post_bl_block_tag(POST_ARGS); +static void post_bl_head(POST_ARGS); +static void post_bx(POST_ARGS); +static void post_d1(POST_ARGS); +static void post_defaults(POST_ARGS); +static void post_dd(POST_ARGS); +static void post_dt(POST_ARGS); +static void post_en(POST_ARGS); +static void post_es(POST_ARGS); +static void post_eoln(POST_ARGS); +static void post_ex(POST_ARGS); +static void post_fa(POST_ARGS); +static void post_fn(POST_ARGS); +static void post_fname(POST_ARGS); +static void post_fo(POST_ARGS); +static void post_hyph(POST_ARGS); +static void post_ignpar(POST_ARGS); +static void post_it(POST_ARGS); +static void post_lb(POST_ARGS); +static void post_literal(POST_ARGS); +static void post_nd(POST_ARGS); +static void post_nm(POST_ARGS); +static void post_ns(POST_ARGS); +static void post_os(POST_ARGS); +static void post_par(POST_ARGS); +static void post_root(POST_ARGS); +static void post_rs(POST_ARGS); +static void post_sh(POST_ARGS); +static void post_sh_head(POST_ARGS); +static void post_sh_name(POST_ARGS); +static void post_sh_see_also(POST_ARGS); +static void post_sh_authors(POST_ARGS); +static void post_sm(POST_ARGS); +static void post_st(POST_ARGS); -static int post_an(POST_ARGS); -static int post_at(POST_ARGS); -static int post_bf(POST_ARGS); -static int post_bl(POST_ARGS); -static int post_bl_head(POST_ARGS); -static int post_dt(POST_ARGS); -static int post_it(POST_ARGS); -static int post_lb(POST_ARGS); -static int post_nm(POST_ARGS); -static int post_root(POST_ARGS); -static int post_rs(POST_ARGS); -static int post_sh(POST_ARGS); -static int post_sh_body(POST_ARGS); -static int post_sh_head(POST_ARGS); -static int post_st(POST_ARGS); -static int post_eoln(POST_ARGS); -static int post_vt(POST_ARGS); -static int pre_an(PRE_ARGS); -static int pre_bd(PRE_ARGS); -static int pre_bl(PRE_ARGS); -static int pre_dd(PRE_ARGS); -static int pre_display(PRE_ARGS); -static int pre_dt(PRE_ARGS); -static int pre_it(PRE_ARGS); -static int pre_os(PRE_ARGS); -static int pre_pp(PRE_ARGS); -static int pre_rv(PRE_ARGS); -static int pre_sh(PRE_ARGS); -static int pre_ss(PRE_ARGS); +static void pre_an(PRE_ARGS); +static void pre_bd(PRE_ARGS); +static void pre_bl(PRE_ARGS); +static void pre_display(PRE_ARGS); +static void pre_obsolete(PRE_ARGS); +static void pre_par(PRE_ARGS); +static void pre_std(PRE_ARGS); -static v_post posts_an[] = { post_an, NULL }; -static v_post posts_at[] = { post_at, NULL }; -static v_post posts_bd_bk[] = { hwarn_eq0, bwarn_ge1, NULL }; -static v_post posts_bf[] = { hwarn_le1, post_bf, NULL }; -static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL }; -static v_post posts_bool[] = { eerr_eq1, ebool, NULL }; -static v_post posts_eoln[] = { post_eoln, NULL }; -static v_post posts_dt[] = { post_dt, NULL }; -static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL }; -static v_post posts_it[] = { post_it, NULL }; -static v_post posts_lb[] = { eerr_eq1, post_lb, NULL }; -static v_post posts_nd[] = { berr_ge1, NULL }; -static v_post posts_nm[] = { post_nm, NULL }; -static v_post posts_notext[] = { ewarn_eq0, NULL }; -static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL }; -static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL }; -static v_post posts_sp[] = { eerr_le1, NULL }; -static v_post posts_ss[] = { herr_ge1, NULL }; -static v_post posts_st[] = { eerr_eq1, post_st, NULL }; -static v_post posts_text[] = { eerr_ge1, NULL }; -static v_post posts_text1[] = { eerr_eq1, NULL }; -static v_post posts_vt[] = { post_vt, NULL }; -static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL }; -static v_post posts_wtext[] = { ewarn_ge1, NULL }; -static v_pre pres_an[] = { pre_an, NULL }; -static v_pre pres_bd[] = { pre_display, pre_bd, pre_pp, NULL }; -static v_pre pres_bl[] = { pre_bl, pre_pp, NULL }; -static v_pre pres_d1[] = { pre_display, NULL }; -static v_pre pres_dd[] = { pre_dd, NULL }; -static v_pre pres_dt[] = { pre_dt, NULL }; -static v_pre pres_er[] = { NULL, NULL }; -static v_pre pres_ex[] = { NULL, NULL }; -static v_pre pres_fd[] = { NULL, NULL }; -static v_pre pres_it[] = { pre_it, NULL }; -static v_pre pres_os[] = { pre_os, NULL }; -static v_pre pres_pp[] = { pre_pp, NULL }; -static v_pre pres_rv[] = { pre_rv, NULL }; -static v_pre pres_sh[] = { pre_sh, NULL }; -static v_pre pres_ss[] = { pre_ss, NULL }; - -const struct valids mdoc_valids[MDOC_MAX] = { +static const struct valids mdoc_valids[MDOC_MAX] = { { NULL, NULL }, /* Ap */ - { pres_dd, posts_wtext }, /* Dd */ - { pres_dt, posts_dt }, /* Dt */ - { pres_os, NULL }, /* Os */ - { pres_sh, posts_sh }, /* Sh */ - { pres_ss, posts_ss }, /* Ss */ - { pres_pp, posts_notext }, /* Pp */ - { pres_d1, posts_wline }, /* D1 */ - { pres_d1, posts_wline }, /* Dl */ - { pres_bd, posts_bd_bk }, /* Bd */ + { NULL, post_dd }, /* Dd */ + { NULL, post_dt }, /* Dt */ + { NULL, post_os }, /* Os */ + { NULL, post_sh }, /* Sh */ + { NULL, post_ignpar }, /* Ss */ + { pre_par, post_par }, /* Pp */ + { pre_display, post_d1 }, /* D1 */ + { pre_display, post_literal }, /* Dl */ + { pre_bd, post_literal }, /* Bd */ { NULL, NULL }, /* Ed */ - { pres_bl, posts_bl }, /* Bl */ + { pre_bl, post_bl }, /* Bl */ { NULL, NULL }, /* El */ - { pres_it, posts_it }, /* It */ - { NULL, posts_text }, /* Ad */ - { pres_an, posts_an }, /* An */ - { NULL, NULL }, /* Ar */ - { NULL, posts_text }, /* Cd */ + { pre_par, post_it }, /* It */ + { NULL, NULL }, /* Ad */ + { pre_an, post_an }, /* An */ + { NULL, post_defaults }, /* Ar */ + { NULL, NULL }, /* Cd */ { NULL, NULL }, /* Cm */ - { NULL, NULL }, /* Dv */ - { pres_er, posts_text }, /* Er */ - { NULL, NULL }, /* Ev */ - { pres_ex, NULL }, /* Ex */ - { NULL, NULL }, /* Fa */ - { pres_fd, posts_wtext }, /* Fd */ + { NULL, NULL }, /* Dv */ + { NULL, NULL }, /* Er */ + { NULL, NULL }, /* Ev */ + { pre_std, post_ex }, /* Ex */ + { NULL, post_fa }, /* Fa */ + { NULL, NULL }, /* Fd */ { NULL, NULL }, /* Fl */ - { NULL, posts_text }, /* Fn */ - { NULL, posts_wtext }, /* Ft */ - { NULL, posts_text }, /* Ic */ - { NULL, posts_text1 }, /* In */ - { NULL, NULL }, /* Li */ - { NULL, posts_nd }, /* Nd */ - { NULL, posts_nm }, /* Nm */ - { NULL, posts_wline }, /* Op */ - { NULL, NULL }, /* Ot */ - { NULL, NULL }, /* Pa */ - { pres_rv, NULL }, /* Rv */ - { NULL, posts_st }, /* St */ + { NULL, post_fn }, /* Fn */ + { NULL, NULL }, /* Ft */ + { NULL, NULL }, /* Ic */ + { NULL, NULL }, /* In */ + { NULL, post_defaults }, /* Li */ + { NULL, post_nd }, /* Nd */ + { NULL, post_nm }, /* Nm */ + { NULL, NULL }, /* Op */ + { pre_obsolete, NULL }, /* Ot */ + { NULL, post_defaults }, /* Pa */ + { pre_std, NULL }, /* Rv */ + { NULL, post_st }, /* St */ { NULL, NULL }, /* Va */ - { NULL, posts_vt }, /* Vt */ - { NULL, posts_wtext }, /* Xr */ - { NULL, posts_text }, /* %A */ - { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */ - { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */ - { NULL, posts_text }, /* %I */ - { NULL, posts_text }, /* %J */ - { NULL, posts_text }, /* %N */ - { NULL, posts_text }, /* %O */ - { NULL, posts_text }, /* %P */ - { NULL, posts_text }, /* %R */ - { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */ - { NULL, posts_text }, /* %V */ + { NULL, NULL }, /* Vt */ + { NULL, NULL }, /* Xr */ + { NULL, NULL }, /* %A */ + { NULL, post_hyph }, /* %B */ /* FIXME: can be used outside Rs/Re. */ + { NULL, NULL }, /* %D */ + { NULL, NULL }, /* %I */ + { NULL, NULL }, /* %J */ + { NULL, post_hyph }, /* %N */ + { NULL, post_hyph }, /* %O */ + { NULL, NULL }, /* %P */ + { NULL, post_hyph }, /* %R */ + { NULL, post_hyph }, /* %T */ /* FIXME: can be used outside Rs/Re. */ + { NULL, NULL }, /* %V */ { NULL, NULL }, /* Ac */ { NULL, NULL }, /* Ao */ - { NULL, posts_wline }, /* Aq */ - { NULL, posts_at }, /* At */ + { NULL, NULL }, /* Aq */ + { NULL, post_at }, /* At */ { NULL, NULL }, /* Bc */ - { NULL, posts_bf }, /* Bf */ + { NULL, post_bf }, /* Bf */ { NULL, NULL }, /* Bo */ - { NULL, posts_wline }, /* Bq */ + { NULL, NULL }, /* Bq */ { NULL, NULL }, /* Bsx */ - { NULL, NULL }, /* Bx */ - { NULL, posts_bool }, /* Db */ + { NULL, post_bx }, /* Bx */ + { pre_obsolete, NULL }, /* Db */ { NULL, NULL }, /* Dc */ { NULL, NULL }, /* Do */ - { NULL, posts_wline }, /* Dq */ + { NULL, NULL }, /* Dq */ { NULL, NULL }, /* Ec */ - { NULL, NULL }, /* Ef */ - { NULL, NULL }, /* Em */ + { NULL, NULL }, /* Ef */ + { NULL, NULL }, /* Em */ { NULL, NULL }, /* Eo */ { NULL, NULL }, /* Fx */ - { NULL, posts_text }, /* Ms */ - { NULL, posts_notext }, /* No */ - { NULL, posts_notext }, /* Ns */ + { NULL, NULL }, /* Ms */ + { NULL, NULL }, /* No */ + { NULL, post_ns }, /* Ns */ { NULL, NULL }, /* Nx */ { NULL, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ - { NULL, posts_text1 }, /* Pf */ + { NULL, NULL }, /* Pf */ { NULL, NULL }, /* Po */ - { NULL, posts_wline }, /* Pq */ + { NULL, NULL }, /* Pq */ { NULL, NULL }, /* Qc */ - { NULL, posts_wline }, /* Ql */ + { NULL, NULL }, /* Ql */ { NULL, NULL }, /* Qo */ - { NULL, posts_wline }, /* Qq */ + { NULL, NULL }, /* Qq */ { NULL, NULL }, /* Re */ - { NULL, posts_rs }, /* Rs */ + { NULL, post_rs }, /* Rs */ { NULL, NULL }, /* Sc */ { NULL, NULL }, /* So */ - { NULL, posts_wline }, /* Sq */ - { NULL, posts_bool }, /* Sm */ - { NULL, posts_text }, /* Sx */ - { NULL, posts_text }, /* Sy */ - { NULL, posts_text }, /* Tn */ + { NULL, NULL }, /* Sq */ + { NULL, post_sm }, /* Sm */ + { NULL, post_hyph }, /* Sx */ + { NULL, NULL }, /* Sy */ + { NULL, NULL }, /* Tn */ { NULL, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ - { NULL, posts_fo }, /* Fo */ - { NULL, NULL }, /* Fc */ + { NULL, post_fo }, /* Fo */ + { NULL, NULL }, /* Fc */ { NULL, NULL }, /* Oo */ { NULL, NULL }, /* Oc */ - { NULL, posts_bd_bk }, /* Bk */ + { NULL, post_bk }, /* Bk */ { NULL, NULL }, /* Ek */ - { NULL, posts_eoln }, /* Bt */ + { NULL, post_eoln }, /* Bt */ { NULL, NULL }, /* Hf */ - { NULL, NULL }, /* Fr */ - { NULL, posts_eoln }, /* Ud */ - { NULL, posts_lb }, /* Lb */ - { NULL, posts_notext }, /* Lp */ - { NULL, posts_text }, /* Lk */ - { NULL, posts_text }, /* Mt */ - { NULL, posts_wline }, /* Brq */ - { NULL, NULL }, /* Bro */ - { NULL, NULL }, /* Brc */ - { NULL, posts_text }, /* %C */ - { NULL, NULL }, /* Es */ - { NULL, NULL }, /* En */ + { pre_obsolete, NULL }, /* Fr */ + { NULL, post_eoln }, /* Ud */ + { NULL, post_lb }, /* Lb */ + { pre_par, post_par }, /* Lp */ + { NULL, NULL }, /* Lk */ + { NULL, post_defaults }, /* Mt */ + { NULL, NULL }, /* Brq */ + { NULL, NULL }, /* Bro */ + { NULL, NULL }, /* Brc */ + { NULL, NULL }, /* %C */ + { pre_obsolete, post_es }, /* Es */ + { pre_obsolete, post_en }, /* En */ { NULL, NULL }, /* Dx */ - { NULL, posts_text }, /* %Q */ - { NULL, posts_notext }, /* br */ - { pres_pp, posts_sp }, /* sp */ - { NULL, posts_text1 }, /* %U */ + { NULL, NULL }, /* %Q */ + { NULL, post_par }, /* br */ + { NULL, post_par }, /* sp */ + { NULL, NULL }, /* %U */ { NULL, NULL }, /* Ta */ + { NULL, NULL }, /* ll */ }; #define RSORD_MAX 14 /* Number of `Rs' blocks. */ -static const enum mdoct rsord[RSORD_MAX] = { +static const int rsord[RSORD_MAX] = { MDOC__A, MDOC__T, MDOC__B, @@ -286,1138 +252,1321 @@ static const enum mdoct rsord[RSORD_MAX] = { MDOC__R, MDOC__N, MDOC__V, + MDOC__U, MDOC__P, MDOC__Q, - MDOC__D, - MDOC__O, MDOC__C, - MDOC__U + MDOC__D, + MDOC__O }; +static const char * const secnames[SEC__MAX] = { + NULL, + "NAME", + "LIBRARY", + "SYNOPSIS", + "DESCRIPTION", + "CONTEXT", + "IMPLEMENTATION NOTES", + "RETURN VALUES", + "ENVIRONMENT", + "FILES", + "EXIT STATUS", + "EXAMPLES", + "DIAGNOSTICS", + "COMPATIBILITY", + "ERRORS", + "SEE ALSO", + "STANDARDS", + "HISTORY", + "AUTHORS", + "CAVEATS", + "BUGS", + "SECURITY CONSIDERATIONS", + NULL +}; -int -mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n) + +void +mdoc_valid_pre(struct roff_man *mdoc, struct roff_node *n) { - v_pre *p; - int line, pos; - char *tp; + v_pre p; - if (MDOC_TEXT == n->type) { - tp = n->string; - line = n->line; - pos = n->pos; - return(check_text(mdoc, line, pos, tp)); + switch (n->type) { + case ROFFT_TEXT: + if (n->sec != SEC_SYNOPSIS || n->parent->tok != MDOC_Fd) + check_text(mdoc, n->line, n->pos, n->string); + return; + case ROFFT_TBL: + case ROFFT_EQN: + case ROFFT_ROOT: + return; + default: + break; } - if ( ! check_args(mdoc, n)) - return(0); - if (NULL == mdoc_valids[n->tok].pre) - return(1); - for (p = mdoc_valids[n->tok].pre; *p; p++) - if ( ! (*p)(mdoc, n)) - return(0); - return(1); + check_args(mdoc, n); + p = mdoc_valids[n->tok].pre; + if (*p) + (*p)(mdoc, n); } - -int -mdoc_valid_post(struct mdoc *mdoc) +void +mdoc_node_validate(struct roff_man *mdoc) { - v_post *p; + struct roff_node *n; + v_post p; - if (MDOC_VALID & mdoc->last->flags) - return(1); - mdoc->last->flags |= MDOC_VALID; + n = mdoc->last; + mdoc->last = mdoc->last->child; + while (mdoc->last != NULL) { + mdoc_node_validate(mdoc); + if (mdoc->last == n) + mdoc->last = mdoc->last->child; + else + mdoc->last = mdoc->last->next; + } - if (MDOC_TEXT == mdoc->last->type) - return(1); - if (MDOC_ROOT == mdoc->last->type) - return(post_root(mdoc)); + mdoc->last = n; + mdoc->next = ROFF_NEXT_SIBLING; + switch (n->type) { + case ROFFT_TEXT: + case ROFFT_EQN: + case ROFFT_TBL: + break; + case ROFFT_ROOT: + post_root(mdoc); + break; + default: - if (NULL == mdoc_valids[mdoc->last->tok].post) - return(1); - for (p = mdoc_valids[mdoc->last->tok].post; *p; p++) - if ( ! (*p)(mdoc)) - return(0); + /* + * Closing delimiters are not special at the + * beginning of a block, opening delimiters + * are not special at the end. + */ - return(1); -} + if (n->child != NULL) + n->child->flags &= ~MDOC_DELIMC; + if (n->last != NULL) + n->last->flags &= ~MDOC_DELIMO; -static int -check_count(struct mdoc *m, enum mdoc_type type, - enum check_lvl lvl, enum check_ineq ineq, int val) -{ - const char *p; + /* Call the macro's postprocessor. */ - if (m->last->type != type) - return(1); - - switch (ineq) { - case (CHECK_LT): - p = "less than "; - if (m->last->nchild < val) - return(1); + p = mdoc_valids[n->tok].post; + if (*p) + (*p)(mdoc); + if (mdoc->last == n) + mdoc_state(mdoc, n); break; - case (CHECK_GT): - p = "greater than "; - if (m->last->nchild > val) - return(1); - break; - case (CHECK_EQ): - p = ""; - if (val == m->last->nchild) - return(1); - break; } - - if (CHECK_WARN == lvl) { - return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT, - m->last->line, m->last->pos, - "want %s%d children (have %d)", - p, val, m->last->nchild)); - } - - return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT, - m->last->line, m->last->pos, - "require %s%d children (have %d)", - p, val, m->last->nchild)); } -static int -berr_ge1(POST_ARGS) +static void +check_args(struct roff_man *mdoc, struct roff_node *n) { - - return(check_count(mdoc, MDOC_BODY, CHECK_FATAL, CHECK_GT, 0)); -} - -static int -bwarn_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0)); -} - -static int -eerr_eq0(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 0)); -} - -static int -eerr_eq1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 1)); -} - -static int -eerr_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_GT, 0)); -} - -static int -eerr_le1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_LT, 2)); -} - -static int -ewarn_eq0(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0)); -} - -static int -ewarn_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0)); -} - -static int -herr_eq0(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_EQ, 0)); -} - -static int -herr_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_GT, 0)); -} - -static int -hwarn_eq0(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0)); -} - -static int -hwarn_eq1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1)); -} - -static int -hwarn_le1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2)); -} - - -static int -check_stdarg(PRE_ARGS) -{ - - if (n->args && 1 == n->args->argc) - if (MDOC_Std == n->args->argv[0].arg) - return(1); - return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV)); -} - - -static int -check_args(struct mdoc *m, struct mdoc_node *n) -{ int i; if (NULL == n->args) - return(1); + return; assert(n->args->argc); for (i = 0; i < (int)n->args->argc; i++) - if ( ! check_argv(m, n, &n->args->argv[i])) - return(0); - - return(1); + check_argv(mdoc, n, &n->args->argv[i]); } - -static int -check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v) +static void +check_argv(struct roff_man *mdoc, struct roff_node *n, struct mdoc_argv *v) { int i; for (i = 0; i < (int)v->sz; i++) - if ( ! check_text(m, v->line, v->pos, v->value[i])) - return(0); - - if (MDOC_Std == v->arg) { - if (v->sz || m->meta.name) - return(1); - if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME)) - return(0); - } - - return(1); + check_text(mdoc, v->line, v->pos, v->value[i]); } - -static int -check_text(struct mdoc *m, int ln, int pos, char *p) +static void +check_text(struct roff_man *mdoc, int ln, int pos, char *p) { - int c; - size_t sz; + char *cp; - for ( ; *p; p++, pos++) { - sz = strcspn(p, "\t\\"); - p += (int)sz; + if (MDOC_LITERAL & mdoc->flags) + return; - if ('\0' == *p) - break; - - pos += (int)sz; - - if ('\t' == *p) { - if (MDOC_LITERAL & m->flags) - continue; - if (mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB)) - continue; - return(0); - } - - /* Check the special character. */ - - c = mandoc_special(p); - if (c) { - p += c - 1; - pos += c - 1; - } else - mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE); - } - - return(1); + for (cp = p; NULL != (p = strchr(p, '\t')); p++) + mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse, + ln, pos + (int)(p - cp), NULL); } - -static int -check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t) -{ - - assert(n->parent); - if ((MDOC_ROOT == t || tok == n->parent->tok) && - (t == n->parent->type)) - return(1); - - mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD, - n->line, n->pos, "want parent %s", - MDOC_ROOT == t ? "" : - mdoc_macronames[tok]); - return(0); -} - - -static int +static void pre_display(PRE_ARGS) { - struct mdoc_node *node; + struct roff_node *node; - /* Display elements (`Bd', `D1'...) cannot be nested. */ + if (n->type != ROFFT_BLOCK) + return; - if (MDOC_BLOCK != n->type) - return(1); - - /* LINTED */ - for (node = mdoc->last->parent; node; node = node->parent) - if (MDOC_BLOCK == node->type) + for (node = mdoc->last->parent; node; node = node->parent) + if (node->type == ROFFT_BLOCK) if (MDOC_Bd == node->tok) break; - if (NULL == node) - return(1); - mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP); - return(0); + if (node) + mandoc_vmsg(MANDOCERR_BD_NEST, + mdoc->parse, n->line, n->pos, + "%s in Bd", mdoc_macronames[n->tok]); } - -static int +static void pre_bl(PRE_ARGS) { - int i, comp, dup; - const char *offs, *width; + struct mdoc_argv *argv, *wa; + int i; + enum mdocargt mdoclt; enum mdoc_list lt; - struct mdoc_node *np; - if (MDOC_BLOCK != n->type) { - if (ENDBODY_NOT != n->end) { - assert(n->pending); - np = n->pending->parent; - } else - np = n->parent; + if (n->type != ROFFT_BLOCK) + return; - assert(np); - assert(MDOC_BLOCK == np->type); - assert(MDOC_Bl == np->tok); - assert(np->data.Bl); - n->data.Bl = np->data.Bl; - return(1); - } - - /* + /* * First figure out which kind of list to use: bind ourselves to * the first mentioned list type and warn about any remaining * ones. If we find no list type, we default to LIST_item. */ - assert(NULL == n->data.Bl); - n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl)); - - /* LINTED */ + wa = (n->args == NULL) ? NULL : n->args->argv; + mdoclt = MDOC_ARG_MAX; for (i = 0; n->args && i < (int)n->args->argc; i++) { + argv = n->args->argv + i; lt = LIST__NONE; - dup = comp = 0; - width = offs = NULL; - switch (n->args->argv[i].arg) { + switch (argv->arg) { /* Set list types. */ - case (MDOC_Bullet): + case MDOC_Bullet: lt = LIST_bullet; break; - case (MDOC_Dash): + case MDOC_Dash: lt = LIST_dash; break; - case (MDOC_Enum): + case MDOC_Enum: lt = LIST_enum; break; - case (MDOC_Hyphen): + case MDOC_Hyphen: lt = LIST_hyphen; break; - case (MDOC_Item): + case MDOC_Item: lt = LIST_item; break; - case (MDOC_Tag): + case MDOC_Tag: lt = LIST_tag; break; - case (MDOC_Diag): + case MDOC_Diag: lt = LIST_diag; break; - case (MDOC_Hang): + case MDOC_Hang: lt = LIST_hang; break; - case (MDOC_Ohang): + case MDOC_Ohang: lt = LIST_ohang; break; - case (MDOC_Inset): + case MDOC_Inset: lt = LIST_inset; break; - case (MDOC_Column): + case MDOC_Column: lt = LIST_column; break; /* Set list arguments. */ - case (MDOC_Compact): - dup = n->data.Bl->comp; - comp = 1; + case MDOC_Compact: + if (n->norm->Bl.comp) + mandoc_msg(MANDOCERR_ARG_REP, + mdoc->parse, argv->line, + argv->pos, "Bl -compact"); + n->norm->Bl.comp = 1; break; - case (MDOC_Width): - dup = (NULL != n->data.Bl->width); - width = n->args->argv[i].value[0]; + case MDOC_Width: + wa = argv; + if (0 == argv->sz) { + mandoc_msg(MANDOCERR_ARG_EMPTY, + mdoc->parse, argv->line, + argv->pos, "Bl -width"); + n->norm->Bl.width = "0n"; + break; + } + if (NULL != n->norm->Bl.width) + mandoc_vmsg(MANDOCERR_ARG_REP, + mdoc->parse, argv->line, + argv->pos, "Bl -width %s", + argv->value[0]); + rewrite_macro2len(argv->value); + n->norm->Bl.width = argv->value[0]; break; - case (MDOC_Offset): - /* NB: this can be empty! */ - if (n->args->argv[i].sz) { - offs = n->args->argv[i].value[0]; - dup = (NULL != n->data.Bl->offs); + case MDOC_Offset: + if (0 == argv->sz) { + mandoc_msg(MANDOCERR_ARG_EMPTY, + mdoc->parse, argv->line, + argv->pos, "Bl -offset"); break; } - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV)) - return(0); + if (NULL != n->norm->Bl.offs) + mandoc_vmsg(MANDOCERR_ARG_REP, + mdoc->parse, argv->line, + argv->pos, "Bl -offset %s", + argv->value[0]); + rewrite_macro2len(argv->value); + n->norm->Bl.offs = argv->value[0]; break; default: continue; } + if (LIST__NONE == lt) + continue; + mdoclt = argv->arg; - /* Check: duplicate auxiliary arguments. */ - - if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP)) - return(0); - - if (comp && ! dup) - n->data.Bl->comp = comp; - if (offs && ! dup) - n->data.Bl->offs = offs; - if (width && ! dup) - n->data.Bl->width = width; - /* Check: multiple list types. */ - if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP)) - return(0); - - /* Assign list type. */ - - if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) { - n->data.Bl->type = lt; - /* Set column information, too. */ - if (LIST_column == lt) { - n->data.Bl->ncols = - n->args->argv[i].sz; - n->data.Bl->cols = (const char **) - n->args->argv[i].value; - } + if (LIST__NONE != n->norm->Bl.type) { + mandoc_vmsg(MANDOCERR_BL_REP, + mdoc->parse, n->line, n->pos, + "Bl -%s", mdoc_argnames[argv->arg]); + continue; } /* The list type should come first. */ - if (n->data.Bl->type == LIST__NONE) - if (n->data.Bl->width || - n->data.Bl->offs || - n->data.Bl->comp) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST)) - return(0); + if (n->norm->Bl.width || + n->norm->Bl.offs || + n->norm->Bl.comp) + mandoc_vmsg(MANDOCERR_BL_LATETYPE, + mdoc->parse, n->line, n->pos, "Bl -%s", + mdoc_argnames[n->args->argv[0].arg]); - continue; + n->norm->Bl.type = lt; + if (LIST_column == lt) { + n->norm->Bl.ncols = argv->sz; + n->norm->Bl.cols = (void *)argv->value; + } } /* Allow lists to default to LIST_item. */ - if (LIST__NONE == n->data.Bl->type) { - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE)) - return(0); - n->data.Bl->type = LIST_item; + if (LIST__NONE == n->norm->Bl.type) { + mandoc_msg(MANDOCERR_BL_NOTYPE, mdoc->parse, + n->line, n->pos, "Bl"); + n->norm->Bl.type = LIST_item; } - /* + /* * Validate the width field. Some list types don't need width * types and should be warned about them. Others should have it - * and must also be warned. + * and must also be warned. Yet others have a default and need + * no warning. */ - switch (n->data.Bl->type) { - case (LIST_tag): - if (n->data.Bl->width) - break; - if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG)) - break; - return(0); - case (LIST_column): - /* FALLTHROUGH */ - case (LIST_diag): - /* FALLTHROUGH */ - case (LIST_ohang): - /* FALLTHROUGH */ - case (LIST_inset): - /* FALLTHROUGH */ - case (LIST_item): - if (NULL == n->data.Bl->width) - break; - if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG)) - break; - return(0); + switch (n->norm->Bl.type) { + case LIST_tag: + if (NULL == n->norm->Bl.width) + mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse, + n->line, n->pos, "Bl -tag"); + break; + case LIST_column: + case LIST_diag: + case LIST_ohang: + case LIST_inset: + case LIST_item: + if (n->norm->Bl.width) + mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse, + wa->line, wa->pos, "Bl -%s", + mdoc_argnames[mdoclt]); + break; + case LIST_bullet: + case LIST_dash: + case LIST_hyphen: + if (NULL == n->norm->Bl.width) + n->norm->Bl.width = "2n"; + break; + case LIST_enum: + if (NULL == n->norm->Bl.width) + n->norm->Bl.width = "3n"; + break; default: break; } - - return(1); + pre_par(mdoc, n); } - -static int +static void pre_bd(PRE_ARGS) { - int i, dup, comp; - enum mdoc_disp dt; - const char *offs; - struct mdoc_node *np; + struct mdoc_argv *argv; + int i; + enum mdoc_disp dt; - if (MDOC_BLOCK != n->type) { - if (ENDBODY_NOT != n->end) { - assert(n->pending); - np = n->pending->parent; - } else - np = n->parent; + pre_display(mdoc, n); - assert(np); - assert(MDOC_BLOCK == np->type); - assert(MDOC_Bd == np->tok); - assert(np->data.Bd); - n->data.Bd = np->data.Bd; - return(1); - } + if (n->type != ROFFT_BLOCK) + return; - assert(NULL == n->data.Bd); - n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd)); - - /* LINTED */ for (i = 0; n->args && i < (int)n->args->argc; i++) { + argv = n->args->argv + i; dt = DISP__NONE; - dup = comp = 0; - offs = NULL; - switch (n->args->argv[i].arg) { - case (MDOC_Centred): - dt = DISP_centred; + switch (argv->arg) { + case MDOC_Centred: + dt = DISP_centered; break; - case (MDOC_Ragged): + case MDOC_Ragged: dt = DISP_ragged; break; - case (MDOC_Unfilled): + case MDOC_Unfilled: dt = DISP_unfilled; break; - case (MDOC_Filled): + case MDOC_Filled: dt = DISP_filled; break; - case (MDOC_Literal): + case MDOC_Literal: dt = DISP_literal; break; - case (MDOC_File): - mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP); - return(0); - case (MDOC_Offset): - /* NB: this can be empty! */ - if (n->args->argv[i].sz) { - offs = n->args->argv[i].value[0]; - dup = (NULL != n->data.Bd->offs); + case MDOC_File: + mandoc_msg(MANDOCERR_BD_FILE, mdoc->parse, + n->line, n->pos, NULL); + break; + case MDOC_Offset: + if (0 == argv->sz) { + mandoc_msg(MANDOCERR_ARG_EMPTY, + mdoc->parse, argv->line, + argv->pos, "Bd -offset"); break; } - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV)) - return(0); + if (NULL != n->norm->Bd.offs) + mandoc_vmsg(MANDOCERR_ARG_REP, + mdoc->parse, argv->line, + argv->pos, "Bd -offset %s", + argv->value[0]); + rewrite_macro2len(argv->value); + n->norm->Bd.offs = argv->value[0]; break; - case (MDOC_Compact): - comp = 1; - dup = n->data.Bd->comp; + case MDOC_Compact: + if (n->norm->Bd.comp) + mandoc_msg(MANDOCERR_ARG_REP, + mdoc->parse, argv->line, + argv->pos, "Bd -compact"); + n->norm->Bd.comp = 1; break; default: abort(); - /* NOTREACHED */ } + if (DISP__NONE == dt) + continue; - /* Check whether we have duplicates. */ + if (DISP__NONE == n->norm->Bd.type) + n->norm->Bd.type = dt; + else + mandoc_vmsg(MANDOCERR_BD_REP, + mdoc->parse, n->line, n->pos, + "Bd -%s", mdoc_argnames[argv->arg]); + } - if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP)) - return(0); + if (DISP__NONE == n->norm->Bd.type) { + mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse, + n->line, n->pos, "Bd"); + n->norm->Bd.type = DISP_ragged; + } + pre_par(mdoc, n); +} - /* Make our auxiliary assignments. */ +static void +pre_an(PRE_ARGS) +{ + struct mdoc_argv *argv; + size_t i; - if (offs && ! dup) - n->data.Bd->offs = offs; - if (comp && ! dup) - n->data.Bd->comp = comp; + if (n->args == NULL) + return; - /* Check whether a type has already been assigned. */ + for (i = 1; i < n->args->argc; i++) { + argv = n->args->argv + i; + mandoc_vmsg(MANDOCERR_AN_REP, + mdoc->parse, argv->line, argv->pos, + "An -%s", mdoc_argnames[argv->arg]); + } - if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP)) - return(0); + argv = n->args->argv; + if (argv->arg == MDOC_Split) + n->norm->An.auth = AUTH_split; + else if (argv->arg == MDOC_Nosplit) + n->norm->An.auth = AUTH_nosplit; + else + abort(); +} - /* Make our type assignment. */ +static void +pre_std(PRE_ARGS) +{ - if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE) - n->data.Bd->type = dt; - } + if (n->args && 1 == n->args->argc) + if (MDOC_Std == n->args->argv[0].arg) + return; - if (DISP__NONE == n->data.Bd->type) { - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE)) - return(0); - n->data.Bd->type = DISP_ragged; - } - - return(1); + mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse, + n->line, n->pos, mdoc_macronames[n->tok]); } - -static int -pre_ss(PRE_ARGS) +static void +pre_obsolete(PRE_ARGS) { - if (MDOC_BLOCK != n->type) - return(1); - return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY)); + if (n->type == ROFFT_ELEM || n->type == ROFFT_BLOCK) + mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse, + n->line, n->pos, mdoc_macronames[n->tok]); } - -static int -pre_sh(PRE_ARGS) +static void +post_bf(POST_ARGS) { + struct roff_node *np, *nch; - if (MDOC_BLOCK != n->type) - return(1); + /* + * Unlike other data pointers, these are "housed" by the HEAD + * element, which contains the goods. + */ - mdoc->regs->regs[(int)REG_nS].set = 0; - return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT)); -} + np = mdoc->last; + if (np->type != ROFFT_HEAD) + return; + assert(np->parent->type == ROFFT_BLOCK); + assert(np->parent->tok == MDOC_Bf); -static int -pre_it(PRE_ARGS) -{ + /* Check the number of arguments. */ - if (MDOC_BLOCK != n->type) - return(1); - /* - * FIXME: this can probably be lifted if we make the It into - * something else on-the-fly? - */ - return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY)); -} + nch = np->child; + if (np->parent->args == NULL) { + if (nch == NULL) { + mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse, + np->line, np->pos, "Bf"); + return; + } + nch = nch->next; + } + if (nch != NULL) + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + nch->line, nch->pos, "Bf ... %s", nch->string); + /* Extract argument into data. */ -static int -pre_an(PRE_ARGS) + if (np->parent->args != NULL) { + switch (np->parent->args->argv[0].arg) { + case MDOC_Emphasis: + np->norm->Bf.font = FONT_Em; + break; + case MDOC_Literal: + np->norm->Bf.font = FONT_Li; + break; + case MDOC_Symbolic: + np->norm->Bf.font = FONT_Sy; + break; + default: + abort(); + } + return; + } + + /* Extract parameter into data. */ + + if ( ! strcmp(np->child->string, "Em")) + np->norm->Bf.font = FONT_Em; + else if ( ! strcmp(np->child->string, "Li")) + np->norm->Bf.font = FONT_Li; + else if ( ! strcmp(np->child->string, "Sy")) + np->norm->Bf.font = FONT_Sy; + else + mandoc_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse, + np->child->line, np->child->pos, + "Bf %s", np->child->string); +} + +static void +post_lb(POST_ARGS) { - int i; + struct roff_node *n; + const char *stdlibname; + char *libname; - if (NULL == n->args) - return(1); - - for (i = 1; i < (int)n->args->argc; i++) - if ( ! mdoc_pmsg(mdoc, n->args->argv[i].line, - n->args->argv[i].pos, MANDOCERR_IGNARGV)) - return(0); + n = mdoc->last->child; + assert(n->type == ROFFT_TEXT); - if (MDOC_Split == n->args->argv[0].arg) - n->data.An.auth = AUTH_split; - else if (MDOC_Nosplit == n->args->argv[0].arg) - n->data.An.auth = AUTH_nosplit; + if (NULL == (stdlibname = mdoc_a2lib(n->string))) + mandoc_asprintf(&libname, + "library \\(Lq%s\\(Rq", n->string); else - abort(); + libname = mandoc_strdup(stdlibname); - return(1); + free(n->string); + n->string = libname; } - -static int -pre_rv(PRE_ARGS) +static void +post_eoln(POST_ARGS) { + const struct roff_node *n; - return(check_stdarg(mdoc, n)); + n = mdoc->last; + if (n->child != NULL) + mandoc_vmsg(MANDOCERR_ARG_SKIP, + mdoc->parse, n->line, n->pos, + "%s %s", mdoc_macronames[n->tok], + n->child->string); } - -static int -post_dt(POST_ARGS) +static void +post_fname(POST_ARGS) { - const struct mdoc_node *nn; - const char *p; + const struct roff_node *n; + const char *cp; + size_t pos; - if (NULL != (nn = mdoc->last->child)) - for (p = nn->string; *p; p++) { - if (toupper((u_char)*p) == *p) - continue; - if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE)) - return(0); - break; - } - - return(1); + n = mdoc->last->child; + pos = strcspn(n->string, "()"); + cp = n->string + pos; + if ( ! (cp[0] == '\0' || (cp[0] == '(' && cp[1] == '*'))) + mandoc_msg(MANDOCERR_FN_PAREN, mdoc->parse, + n->line, n->pos + pos, n->string); } - -static int -pre_dt(PRE_ARGS) +static void +post_fn(POST_ARGS) { - if (0 == mdoc->meta.date || mdoc->meta.os) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO)) - return(0); - if (mdoc->meta.title) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP)) - return(0); - return(1); + post_fname(mdoc); + post_fa(mdoc); } - -static int -pre_os(PRE_ARGS) +static void +post_fo(POST_ARGS) { + const struct roff_node *n; - if (NULL == mdoc->meta.title || 0 == mdoc->meta.date) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO)) - return(0); - if (mdoc->meta.os) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP)) - return(0); - return(1); -} + n = mdoc->last; + if (n->type != ROFFT_HEAD) + return; -static int -pre_dd(PRE_ARGS) -{ + if (n->child == NULL) { + mandoc_msg(MANDOCERR_FO_NOHEAD, mdoc->parse, + n->line, n->pos, "Fo"); + return; + } + if (n->child != n->last) { + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + n->child->next->line, n->child->next->pos, + "Fo ... %s", n->child->next->string); + while (n->child != n->last) + roff_node_delete(mdoc, n->last); + } - if (mdoc->meta.title || mdoc->meta.os) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO)) - return(0); - if (mdoc->meta.date) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP)) - return(0); - return(1); + post_fname(mdoc); } +static void +post_fa(POST_ARGS) +{ + const struct roff_node *n; + const char *cp; -static int -post_bf(POST_ARGS) + for (n = mdoc->last->child; n != NULL; n = n->next) { + for (cp = n->string; *cp != '\0'; cp++) { + /* Ignore callbacks and alterations. */ + if (*cp == '(' || *cp == '{') + break; + if (*cp != ',') + continue; + mandoc_msg(MANDOCERR_FA_COMMA, mdoc->parse, + n->line, n->pos + (cp - n->string), + n->string); + break; + } + } +} + +static void +post_nm(POST_ARGS) { - struct mdoc_node *np; - enum mdocargt arg; + struct roff_node *n; - /* - * Unlike other data pointers, these are "housed" by the HEAD - * element, which contains the goods. - */ + n = mdoc->last; - if (MDOC_HEAD != mdoc->last->type) { - if (ENDBODY_NOT != mdoc->last->end) { - assert(mdoc->last->pending); - np = mdoc->last->pending->parent->head; - } else if (MDOC_BLOCK != mdoc->last->type) { - np = mdoc->last->parent->head; - } else - np = mdoc->last->head; + if (n->last != NULL && + (n->last->tok == MDOC_Pp || + n->last->tok == MDOC_Lp)) + mdoc_node_relink(mdoc, n->last); - assert(np); - assert(MDOC_HEAD == np->type); - assert(MDOC_Bf == np->tok); - assert(np->data.Bf); - mdoc->last->data.Bf = np->data.Bf; - return(1); - } + if (mdoc->meta.name != NULL) + return; - np = mdoc->last; - assert(MDOC_BLOCK == np->parent->type); - assert(MDOC_Bf == np->parent->tok); - np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf)); + deroff(&mdoc->meta.name, n); - /* - * Cannot have both argument and parameter. - * If neither is specified, let it through with a warning. - */ + if (mdoc->meta.name == NULL) + mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse, + n->line, n->pos, "Nm"); +} - if (np->parent->args && np->child) { - mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT); - return(0); - } else if (NULL == np->parent->args && NULL == np->child) - return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE)); +static void +post_nd(POST_ARGS) +{ + struct roff_node *n; - /* Extract argument into data. */ - - if (np->parent->args) { - arg = np->parent->args->argv[0].arg; - if (MDOC_Emphasis == arg) - np->data.Bf->font = FONT_Em; - else if (MDOC_Literal == arg) - np->data.Bf->font = FONT_Li; - else if (MDOC_Symbolic == arg) - np->data.Bf->font = FONT_Sy; - else - abort(); - return(1); - } + n = mdoc->last; - /* Extract parameter into data. */ + if (n->type != ROFFT_BODY) + return; - if (0 == strcmp(np->child->string, "Em")) - np->data.Bf->font = FONT_Em; - else if (0 == strcmp(np->child->string, "Li")) - np->data.Bf->font = FONT_Li; - else if (0 == strcmp(np->child->string, "Sy")) - np->data.Bf->font = FONT_Sy; - else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE)) - return(0); + if (n->child == NULL) + mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse, + n->line, n->pos, "Nd"); - return(1); + post_hyph(mdoc); } - -static int -post_lb(POST_ARGS) +static void +post_d1(POST_ARGS) { + struct roff_node *n; - if (mdoc_a2lib(mdoc->last->child->string)) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB)); -} + n = mdoc->last; + if (n->type != ROFFT_BODY) + return; -static int -post_eoln(POST_ARGS) -{ + if (n->child == NULL) + mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, + n->line, n->pos, "D1"); - if (NULL == mdoc->last->child) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST)); + post_hyph(mdoc); } +static void +post_literal(POST_ARGS) +{ + struct roff_node *n; -static int -post_vt(POST_ARGS) + n = mdoc->last; + + if (n->type != ROFFT_BODY || n->end != ENDBODY_NOT) + return; + + if (n->child == NULL) + mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, + n->line, n->pos, mdoc_macronames[n->tok]); +} + +static void +post_defaults(POST_ARGS) { - const struct mdoc_node *n; + struct roff_node *nn; /* - * The Vt macro comes in both ELEM and BLOCK form, both of which - * have different syntaxes (yet more context-sensitive - * behaviour). ELEM types must have a child; BLOCK types, - * specifically the BODY, should only have TEXT children. + * The `Ar' defaults to "file ..." if no value is provided as an + * argument; the `Mt' and `Pa' macros use "~"; the `Li' just + * gets an empty string. */ - if (MDOC_ELEM == mdoc->last->type) - return(eerr_ge1(mdoc)); - if (MDOC_BODY != mdoc->last->type) - return(1); - - for (n = mdoc->last->child; n; n = n->next) - if (MDOC_TEXT != n->type) - if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD)) - return(0); + if (mdoc->last->child != NULL) + return; - return(1); + nn = mdoc->last; + + switch (nn->tok) { + case MDOC_Ar: + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, nn->line, nn->pos, "file"); + roff_word_alloc(mdoc, nn->line, nn->pos, "..."); + break; + case MDOC_Pa: + case MDOC_Mt: + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, nn->line, nn->pos, "~"); + break; + default: + abort(); + } + mdoc->last = nn; } - -static int -post_nm(POST_ARGS) +static void +post_at(POST_ARGS) { + struct roff_node *n; + const char *std_att; + char *att; - if (mdoc->last->child) - return(1); - if (mdoc->meta.name) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME)); -} + n = mdoc->last; + if (n->child == NULL) { + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX"); + mdoc->last = n; + return; + } + /* + * If we have a child, look it up in the standard keys. If a + * key exist, use that instead of the child; if it doesn't, + * prefix "AT&T UNIX " to the existing data. + */ -static int -post_at(POST_ARGS) -{ + n = n->child; + assert(n->type == ROFFT_TEXT); + if ((std_att = mdoc_a2att(n->string)) == NULL) { + mandoc_vmsg(MANDOCERR_AT_BAD, mdoc->parse, + n->line, n->pos, "At %s", n->string); + mandoc_asprintf(&att, "AT&T UNIX %s", n->string); + } else + att = mandoc_strdup(std_att); - if (NULL == mdoc->last->child) - return(1); - assert(MDOC_TEXT == mdoc->last->child->type); - if (mdoc_a2att(mdoc->last->child->string)) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT)); + free(n->string); + n->string = att; } - -static int +static void post_an(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *np, *nch; np = mdoc->last; - if (AUTH__NONE != np->data.An.auth && np->child) - return(eerr_eq0(mdoc)); - /* - * FIXME: make this ewarn and make sure that the front-ends - * don't print the arguments. - */ - if (AUTH__NONE != np->data.An.auth || np->child) - return(1); - return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS)); + nch = np->child; + if (np->norm->An.auth == AUTH__NONE) { + if (nch == NULL) + mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, + np->line, np->pos, "An"); + } else if (nch != NULL) + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + nch->line, nch->pos, "An ... %s", nch->string); } +static void +post_en(POST_ARGS) +{ -static int + if (mdoc->last->type == ROFFT_BLOCK) + mdoc->last->norm->Es = mdoc->last_es; +} + +static void +post_es(POST_ARGS) +{ + + mdoc->last_es = mdoc->last; +} + +static void post_it(POST_ARGS) { - int i, cols, rc; + struct roff_node *nbl, *nit, *nch; + int i, cols; enum mdoc_list lt; - struct mdoc_node *n, *c; - enum mandocerr er; - if (MDOC_BLOCK != mdoc->last->type) - return(1); + nit = mdoc->last; + if (nit->type != ROFFT_BLOCK) + return; - n = mdoc->last->parent->parent; - assert(n->data.Bl); - lt = n->data.Bl->type; + nbl = nit->parent->parent; + lt = nbl->norm->Bl.type; - if (LIST__NONE == lt) { - mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE); - return(0); - } - switch (lt) { - case (LIST_tag): - if (mdoc->last->head->child) - break; - /* FIXME: give this a dummy value. */ - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS)) - return(0); + case LIST_tag: + case LIST_hang: + case LIST_ohang: + case LIST_inset: + case LIST_diag: + if (nit->head->child == NULL) + mandoc_vmsg(MANDOCERR_IT_NOHEAD, + mdoc->parse, nit->line, nit->pos, + "Bl -%s It", + mdoc_argnames[nbl->args->argv[0].arg]); break; - case (LIST_hang): + case LIST_bullet: + case LIST_dash: + case LIST_enum: + case LIST_hyphen: + if (nit->body == NULL || nit->body->child == NULL) + mandoc_vmsg(MANDOCERR_IT_NOBODY, + mdoc->parse, nit->line, nit->pos, + "Bl -%s It", + mdoc_argnames[nbl->args->argv[0].arg]); /* FALLTHROUGH */ - case (LIST_ohang): - /* FALLTHROUGH */ - case (LIST_inset): - /* FALLTHROUGH */ - case (LIST_diag): - if (NULL == mdoc->last->head->child) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS)) - return(0); + case LIST_item: + if (nit->head->child != NULL) + mandoc_vmsg(MANDOCERR_ARG_SKIP, + mdoc->parse, nit->line, nit->pos, + "It %s", nit->head->child->string); break; - case (LIST_bullet): - /* FALLTHROUGH */ - case (LIST_dash): - /* FALLTHROUGH */ - case (LIST_enum): - /* FALLTHROUGH */ - case (LIST_hyphen): - if (NULL == mdoc->last->body->child) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY)) - return(0); - /* FALLTHROUGH */ - case (LIST_item): - if (mdoc->last->head->child) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST)) - return(0); + case LIST_column: + cols = (int)nbl->norm->Bl.ncols; + + assert(nit->head->child == NULL); + + i = 0; + for (nch = nit->child; nch != NULL; nch = nch->next) + if (nch->type == ROFFT_BODY) + i++; + + if (i < cols || i > cols + 1) + mandoc_vmsg(MANDOCERR_BL_COL, + mdoc->parse, nit->line, nit->pos, + "%d columns, %d cells", cols, i); break; - case (LIST_column): - cols = (int)n->data.Bl->ncols; + default: + abort(); + } +} - assert(NULL == mdoc->last->head->child); +static void +post_bl_block(POST_ARGS) +{ + struct roff_node *n, *ni, *nc; - if (NULL == mdoc->last->body->child) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY)) - return(0); + /* + * These are fairly complicated, so we've broken them into two + * functions. post_bl_block_tag() is called when a -tag is + * specified, but no -width (it must be guessed). The second + * when a -width is specified (macro indicators must be + * rewritten into real lengths). + */ - for (i = 0, c = mdoc->last->child; c; c = c->next) - if (MDOC_BODY == c->type) - i++; + n = mdoc->last; - if (i < cols) - er = MANDOCERR_ARGCOUNT; - else if (i == cols || i == cols + 1) + if (n->norm->Bl.type == LIST_tag && + n->norm->Bl.width == NULL) { + post_bl_block_tag(mdoc); + assert(n->norm->Bl.width != NULL); + } + + for (ni = n->body->child; ni != NULL; ni = ni->next) { + if (ni->body == NULL) + continue; + nc = ni->body->last; + while (nc != NULL) { + switch (nc->tok) { + case MDOC_Pp: + case MDOC_Lp: + case MDOC_br: + break; + default: + nc = NULL; + continue; + } + if (ni->next == NULL) { + mandoc_msg(MANDOCERR_PAR_MOVE, + mdoc->parse, nc->line, nc->pos, + mdoc_macronames[nc->tok]); + mdoc_node_relink(mdoc, nc); + } else if (n->norm->Bl.comp == 0 && + n->norm->Bl.type != LIST_column) { + mandoc_vmsg(MANDOCERR_PAR_SKIP, + mdoc->parse, nc->line, nc->pos, + "%s before It", + mdoc_macronames[nc->tok]); + roff_node_delete(mdoc, nc); + } else + break; + nc = ni->body->last; + } + } +} + +/* + * If the argument of -offset or -width is a macro, + * replace it with the associated default width. + */ +void +rewrite_macro2len(char **arg) +{ + size_t width; + int tok; + + if (*arg == NULL) + return; + else if ( ! strcmp(*arg, "Ds")) + width = 6; + else if ((tok = mdoc_hash_find(*arg)) == TOKEN_NONE) + return; + else + width = macro2len(tok); + + free(*arg); + mandoc_asprintf(arg, "%zun", width); +} + +static void +post_bl_block_tag(POST_ARGS) +{ + struct roff_node *n, *nn; + size_t sz, ssz; + int i; + char buf[24]; + + /* + * Calculate the -width for a `Bl -tag' list if it hasn't been + * provided. Uses the first head macro. NOTE AGAIN: this is + * ONLY if the -width argument has NOT been provided. See + * rewrite_macro2len() for converting the -width string. + */ + + sz = 10; + n = mdoc->last; + + for (nn = n->body->child; nn != NULL; nn = nn->next) { + if (nn->tok != MDOC_It) + continue; + + assert(nn->type == ROFFT_BLOCK); + nn = nn->head->child; + + if (nn == NULL) break; - else - er = MANDOCERR_SYNTARGCOUNT; - rc = mdoc_vmsg(mdoc, er, - mdoc->last->line, mdoc->last->pos, - "columns == %d (have %d)", cols, i); - return(rc); - default: + if (nn->type == ROFFT_TEXT) { + sz = strlen(nn->string) + 1; + break; + } + + if (0 != (ssz = macro2len(nn->tok))) + sz = ssz; + break; } - return(1); -} + /* Defaults to ten ens. */ + (void)snprintf(buf, sizeof(buf), "%un", (unsigned int)sz); -static int -post_bl_head(POST_ARGS) + /* + * We have to dynamically add this to the macro's argument list. + * We're guaranteed that a MDOC_Width doesn't already exist. + */ + + assert(n->args != NULL); + i = (int)(n->args->argc)++; + + n->args->argv = mandoc_reallocarray(n->args->argv, + n->args->argc, sizeof(struct mdoc_argv)); + + n->args->argv[i].arg = MDOC_Width; + n->args->argv[i].line = n->line; + n->args->argv[i].pos = n->pos; + n->args->argv[i].sz = 1; + n->args->argv[i].value = mandoc_malloc(sizeof(char *)); + n->args->argv[i].value[0] = mandoc_strdup(buf); + + /* Set our width! */ + n->norm->Bl.width = n->args->argv[i].value[0]; +} + +static void +post_bl_head(POST_ARGS) { - struct mdoc_node *n; + struct roff_node *nbl, *nh, *nch, *nnext; + struct mdoc_argv *argv; + int i, j; - assert(mdoc->last->parent); - n = mdoc->last->parent; + nh = mdoc->last; - if (LIST_column == n->data.Bl->type) { - if (n->data.Bl->ncols && mdoc->last->nchild) { - mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS); - return(0); + if (nh->norm->Bl.type != LIST_column) { + if ((nch = nh->child) == NULL) + return; + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + nch->line, nch->pos, "Bl ... %s", nch->string); + while (nch != NULL) { + roff_node_delete(mdoc, nch); + nch = nh->child; } - return(1); + return; } - /* FIXME: should be ERROR class. */ - return(hwarn_eq0(mdoc)); -} + /* + * Append old-style lists, where the column width specifiers + * trail as macro parameters, to the new-style ("normal-form") + * lists where they're argument values following -column. + */ + if (nh->child == NULL) + return; -static int -post_bl(POST_ARGS) -{ - struct mdoc_node *n; + nbl = nh->parent; + for (j = 0; j < (int)nbl->args->argc; j++) + if (nbl->args->argv[j].arg == MDOC_Column) + break; - if (MDOC_HEAD == mdoc->last->type) - return(post_bl_head(mdoc)); - if (MDOC_BODY != mdoc->last->type) - return(1); - if (NULL == mdoc->last->child) - return(1); + assert(j < (int)nbl->args->argc); /* - * We only allow certain children of `Bl'. This is usually on - * `It', but apparently `Sm' occurs here and there, so we let - * that one through, too. + * Accommodate for new-style groff column syntax. Shuffle the + * child nodes, all of which must be TEXT, as arguments for the + * column field. Then, delete the head children. */ - /* LINTED */ - for (n = mdoc->last->child; n; n = n->next) { - if (MDOC_BLOCK == n->type && MDOC_It == n->tok) - continue; - if (MDOC_Sm == n->tok) - continue; - mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD); - return(0); - } + argv = nbl->args->argv + j; + i = argv->sz; + argv->sz += nh->nchild; + argv->value = mandoc_reallocarray(argv->value, + argv->sz, sizeof(char *)); - return(1); + nh->norm->Bl.ncols = argv->sz; + nh->norm->Bl.cols = (void *)argv->value; + + for (nch = nh->child; nch != NULL; nch = nnext) { + argv->value[i++] = nch->string; + nch->string = NULL; + nnext = nch->next; + roff_node_delete(NULL, nch); + } + nh->nchild = 0; + nh->child = NULL; } - -static int -ebool(struct mdoc *mdoc) +static void +post_bl(POST_ARGS) { - struct mdoc_node *n; + struct roff_node *nparent, *nprev; /* of the Bl block */ + struct roff_node *nblock, *nbody; /* of the Bl */ + struct roff_node *nchild, *nnext; /* of the Bl body */ - /* LINTED */ - for (n = mdoc->last->child; n; n = n->next) { - if (MDOC_TEXT != n->type) - break; - if (0 == strcmp(n->string, "on")) - continue; - if (0 == strcmp(n->string, "off")) - continue; + nbody = mdoc->last; + switch (nbody->type) { + case ROFFT_BLOCK: + post_bl_block(mdoc); + return; + case ROFFT_HEAD: + post_bl_head(mdoc); + return; + case ROFFT_BODY: break; + default: + return; } + if (nbody->end != ENDBODY_NOT) + return; - if (NULL == n) - return(1); - return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL)); + nchild = nbody->child; + if (nchild == NULL) { + mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, + nbody->line, nbody->pos, "Bl"); + return; + } + while (nchild != NULL) { + if (nchild->tok == MDOC_It || + (nchild->tok == MDOC_Sm && + nchild->next != NULL && + nchild->next->tok == MDOC_It)) { + nchild = nchild->next; + continue; + } + + mandoc_msg(MANDOCERR_BL_MOVE, mdoc->parse, + nchild->line, nchild->pos, + mdoc_macronames[nchild->tok]); + + /* + * Move the node out of the Bl block. + * First, collect all required node pointers. + */ + + nblock = nbody->parent; + nprev = nblock->prev; + nparent = nblock->parent; + nnext = nchild->next; + + /* + * Unlink this child. + */ + + assert(nchild->prev == NULL); + if (--nbody->nchild == 0) { + nbody->child = NULL; + nbody->last = NULL; + assert(nnext == NULL); + } else { + nbody->child = nnext; + nnext->prev = NULL; + } + + /* + * Relink this child. + */ + + nchild->parent = nparent; + nchild->prev = nprev; + nchild->next = nblock; + + nblock->prev = nchild; + nparent->nchild++; + if (nprev == NULL) + nparent->child = nchild; + else + nprev->next = nchild; + + nchild = nnext; + } } +static void +post_bk(POST_ARGS) +{ + struct roff_node *n; -static int -post_root(POST_ARGS) + n = mdoc->last; + + if (n->type == ROFFT_BLOCK && n->body->child == NULL) { + mandoc_msg(MANDOCERR_BLK_EMPTY, + mdoc->parse, n->line, n->pos, "Bk"); + roff_node_delete(mdoc, n); + } +} + +static void +post_sm(POST_ARGS) { + struct roff_node *nch; - if (NULL == mdoc->first->child) - mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY); - else if ( ! (MDOC_PBODY & mdoc->flags)) - mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG); - else if (MDOC_BLOCK != mdoc->first->child->type) - mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY); - else if (MDOC_Sh != mdoc->first->child->tok) - mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY); - else - return(1); + nch = mdoc->last->child; - return(0); + if (nch == NULL) { + mdoc->flags ^= MDOC_SMOFF; + return; + } + + assert(nch->type == ROFFT_TEXT); + + if ( ! strcmp(nch->string, "on")) { + mdoc->flags &= ~MDOC_SMOFF; + return; + } + if ( ! strcmp(nch->string, "off")) { + mdoc->flags |= MDOC_SMOFF; + return; + } + + mandoc_vmsg(MANDOCERR_SM_BAD, + mdoc->parse, nch->line, nch->pos, + "%s %s", mdoc_macronames[mdoc->last->tok], nch->string); + mdoc_node_relink(mdoc, nch); + return; } +static void +post_root(POST_ARGS) +{ + struct roff_node *n; -static int + /* Add missing prologue data. */ + + if (mdoc->meta.date == NULL) + mdoc->meta.date = mdoc->quick ? + mandoc_strdup("") : + mandoc_normdate(mdoc->parse, NULL, 0, 0); + + if (mdoc->meta.title == NULL) { + mandoc_msg(MANDOCERR_DT_NOTITLE, + mdoc->parse, 0, 0, "EOF"); + mdoc->meta.title = mandoc_strdup("UNTITLED"); + } + + if (mdoc->meta.vol == NULL) + mdoc->meta.vol = mandoc_strdup("LOCAL"); + + if (mdoc->meta.os == NULL) { + mandoc_msg(MANDOCERR_OS_MISSING, + mdoc->parse, 0, 0, NULL); + mdoc->meta.os = mandoc_strdup(""); + } + + /* Check that we begin with a proper `Sh'. */ + + n = mdoc->first->child; + while (n != NULL && n->tok != TOKEN_NONE && + mdoc_macros[n->tok].flags & MDOC_PROLOGUE) + n = n->next; + + if (n == NULL) + mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, 0, 0, NULL); + else if (n->tok != MDOC_Sh) + mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse, + n->line, n->pos, mdoc_macronames[n->tok]); +} + +static void post_st(POST_ARGS) { + struct roff_node *n, *nch; + const char *p; - if (mdoc_a2st(mdoc->last->child->string)) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD)); -} + n = mdoc->last; + nch = n->child; + assert(nch->type == ROFFT_TEXT); -static int + if ((p = mdoc_a2st(nch->string)) == NULL) { + mandoc_vmsg(MANDOCERR_ST_BAD, mdoc->parse, + nch->line, nch->pos, "St %s", nch->string); + roff_node_delete(mdoc, n); + } else { + free(nch->string); + nch->string = mandoc_strdup(p); + } +} + +static void post_rs(POST_ARGS) { - struct mdoc_node *nn, *next, *prev; + struct roff_node *np, *nch, *next, *prev; int i, j; - if (MDOC_BODY != mdoc->last->type) - return(1); + np = mdoc->last; - /* - * Make sure only certain types of nodes are allowed within the - * the `Rs' body. Delete offending nodes and raise a warning. - * Do this before re-ordering for the sake of clarity. - */ + if (np->type != ROFFT_BODY) + return; - next = NULL; - for (nn = mdoc->last->child; nn; nn = next) { - for (i = 0; i < RSORD_MAX; i++) - if (nn->tok == rsord[i]) - break; - - if (i < RSORD_MAX) { - next = nn->next; - continue; - } - - next = nn->next; - mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD); - mdoc_node_delete(mdoc, nn); + if (np->child == NULL) { + mandoc_msg(MANDOCERR_RS_EMPTY, mdoc->parse, + np->line, np->pos, "Rs"); + return; } /* * The full `Rs' block needs special handling to order the * sub-elements according to `rsord'. Pick through each element - * and correctly order it. This is a insertion sort. + * and correctly order it. This is an insertion sort. */ next = NULL; - for (nn = mdoc->last->child->next; nn; nn = next) { - /* Determine order of `nn'. */ + for (nch = np->child->next; nch != NULL; nch = next) { + /* Determine order number of this child. */ for (i = 0; i < RSORD_MAX; i++) - if (rsord[i] == nn->tok) + if (rsord[i] == nch->tok) break; - /* - * Remove `nn' from the chain. This somewhat - * repeats mdoc_node_unlink(), but since we're + if (i == RSORD_MAX) { + mandoc_msg(MANDOCERR_RS_BAD, + mdoc->parse, nch->line, nch->pos, + mdoc_macronames[nch->tok]); + i = -1; + } else if (nch->tok == MDOC__J || nch->tok == MDOC__B) + np->norm->Rs.quote_T++; + + /* + * Remove this child from the chain. This somewhat + * repeats roff_node_unlink(), but since we're * just re-ordering, there's no need for the * full unlink process. */ - - if (NULL != (next = nn->next)) - next->prev = nn->prev; - if (NULL != (prev = nn->prev)) - prev->next = nn->next; + if ((next = nch->next) != NULL) + next->prev = nch->prev; - nn->prev = nn->next = NULL; + if ((prev = nch->prev) != NULL) + prev->next = nch->next; - /* + nch->prev = nch->next = NULL; + + /* * Scan back until we reach a node that's - * ordered before `nn'. + * to be ordered before this child. */ for ( ; prev ; prev = prev->prev) { @@ -1425,180 +1574,743 @@ post_rs(POST_ARGS) for (j = 0; j < RSORD_MAX; j++) if (rsord[j] == prev->tok) break; + if (j == RSORD_MAX) + j = -1; if (j <= i) break; } /* - * Set `nn' back into its correct place in front - * of the `prev' node. + * Set this child back into its correct place + * in front of the `prev' node. */ - nn->prev = prev; + nch->prev = prev; - if (prev) { - if (prev->next) - prev->next->prev = nn; - nn->next = prev->next; - prev->next = nn; + if (prev == NULL) { + np->child->prev = nch; + nch->next = np->child; + np->child = nch; } else { - mdoc->last->child->prev = nn; - nn->next = mdoc->last->child; - mdoc->last->child = nn; + if (prev->next) + prev->next->prev = nch; + nch->next = prev->next; + prev->next = nch; } } +} - return(1); +/* + * For some arguments of some macros, + * convert all breakable hyphens into ASCII_HYPH. + */ +static void +post_hyph(POST_ARGS) +{ + struct roff_node *nch; + char *cp; + + for (nch = mdoc->last->child; nch != NULL; nch = nch->next) { + if (nch->type != ROFFT_TEXT) + continue; + cp = nch->string; + if (*cp == '\0') + continue; + while (*(++cp) != '\0') + if (*cp == '-' && + isalpha((unsigned char)cp[-1]) && + isalpha((unsigned char)cp[1])) + *cp = ASCII_HYPH; + } } +static void +post_ns(POST_ARGS) +{ -static int + if (mdoc->last->flags & MDOC_LINE) + mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse, + mdoc->last->line, mdoc->last->pos, NULL); +} + +static void post_sh(POST_ARGS) { - if (MDOC_HEAD == mdoc->last->type) - return(post_sh_head(mdoc)); - if (MDOC_BODY == mdoc->last->type) - return(post_sh_body(mdoc)); + post_ignpar(mdoc); - return(1); + switch (mdoc->last->type) { + case ROFFT_HEAD: + post_sh_head(mdoc); + break; + case ROFFT_BODY: + switch (mdoc->lastsec) { + case SEC_NAME: + post_sh_name(mdoc); + break; + case SEC_SEE_ALSO: + post_sh_see_also(mdoc); + break; + case SEC_AUTHORS: + post_sh_authors(mdoc); + break; + default: + break; + } + break; + default: + break; + } } +static void +post_sh_name(POST_ARGS) +{ + struct roff_node *n; + int hasnm, hasnd; -static int -post_sh_body(POST_ARGS) + hasnm = hasnd = 0; + + for (n = mdoc->last->child; n != NULL; n = n->next) { + switch (n->tok) { + case MDOC_Nm: + hasnm = 1; + break; + case MDOC_Nd: + hasnd = 1; + if (n->next != NULL) + mandoc_msg(MANDOCERR_NAMESEC_ND, + mdoc->parse, n->line, n->pos, NULL); + break; + case TOKEN_NONE: + if (hasnm) + break; + /* FALLTHROUGH */ + default: + mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse, + n->line, n->pos, mdoc_macronames[n->tok]); + break; + } + } + + if ( ! hasnm) + mandoc_msg(MANDOCERR_NAMESEC_NONM, mdoc->parse, + mdoc->last->line, mdoc->last->pos, NULL); + if ( ! hasnd) + mandoc_msg(MANDOCERR_NAMESEC_NOND, mdoc->parse, + mdoc->last->line, mdoc->last->pos, NULL); +} + +static void +post_sh_see_also(POST_ARGS) { - struct mdoc_node *n; + const struct roff_node *n; + const char *name, *sec; + const char *lastname, *lastsec, *lastpunct; + int cmp; - if (SEC_NAME != mdoc->lastsec) - return(1); + n = mdoc->last->child; + lastname = lastsec = lastpunct = NULL; + while (n != NULL) { + if (n->tok != MDOC_Xr || n->nchild < 2) + break; - /* - * Warn if the NAME section doesn't contain the `Nm' and `Nd' - * macros (can have multiple `Nm' and one `Nd'). Note that the - * children of the BODY declaration can also be "text". - */ + /* Process one .Xr node. */ - if (NULL == (n = mdoc->last->child)) - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC)); + name = n->child->string; + sec = n->child->next->string; + if (lastsec != NULL) { + if (lastpunct[0] != ',' || lastpunct[1] != '\0') + mandoc_vmsg(MANDOCERR_XR_PUNCT, + mdoc->parse, n->line, n->pos, + "%s before %s(%s)", lastpunct, + name, sec); + cmp = strcmp(lastsec, sec); + if (cmp > 0) + mandoc_vmsg(MANDOCERR_XR_ORDER, + mdoc->parse, n->line, n->pos, + "%s(%s) after %s(%s)", name, + sec, lastname, lastsec); + else if (cmp == 0 && + strcasecmp(lastname, name) > 0) + mandoc_vmsg(MANDOCERR_XR_ORDER, + mdoc->parse, n->line, n->pos, + "%s after %s", name, lastname); + } + lastname = name; + lastsec = sec; - for ( ; n && n->next; n = n->next) { - if (MDOC_ELEM == n->type && MDOC_Nm == n->tok) + /* Process the following node. */ + + n = n->next; + if (n == NULL) + break; + if (n->tok == MDOC_Xr) { + lastpunct = "none"; continue; - if (MDOC_TEXT == n->type) - continue; - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC)) - return(0); + } + if (n->type != ROFFT_TEXT) + break; + for (name = n->string; *name != '\0'; name++) + if (isalpha((const unsigned char)*name)) + return; + lastpunct = n->string; + if (n->next == NULL) + mandoc_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse, + n->line, n->pos, "%s after %s(%s)", + lastpunct, lastname, lastsec); + n = n->next; } +} - assert(n); - if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok) - return(1); - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC)); +static int +child_an(const struct roff_node *n) +{ + + for (n = n->child; n != NULL; n = n->next) + if ((n->tok == MDOC_An && n->nchild) || child_an(n)) + return 1; + return 0; } +static void +post_sh_authors(POST_ARGS) +{ -static int + if ( ! child_an(mdoc->last)) + mandoc_msg(MANDOCERR_AN_MISSING, mdoc->parse, + mdoc->last->line, mdoc->last->pos, NULL); +} + +static void post_sh_head(POST_ARGS) { - char buf[BUFSIZ]; - enum mdoc_sec sec; - const struct mdoc_node *n; + const char *goodsec; + enum roff_sec sec; /* * Process a new section. Sections are either "named" or - * "custom"; custom sections are user-defined, while named ones - * usually follow a conventional order and may only appear in - * certain manual sections. + * "custom". Custom sections are user-defined, while named ones + * follow a conventional order and may only appear in certain + * manual sections. */ - buf[0] = '\0'; + sec = mdoc->last->sec; - /* - * FIXME: yes, these can use a dynamic buffer, but I don't do so - * in the interests of simplicity. - */ + /* The NAME should be first. */ - for (n = mdoc->last->child; n; n = n->next) { - /* XXX - copied from compact(). */ - assert(MDOC_TEXT == n->type); + if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed) + mandoc_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "Sh %s", secnames[sec]); - if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) { - mdoc_nmsg(mdoc, n, MANDOCERR_MEM); - return(0); - } - if (NULL == n->next) - continue; - if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) { - mdoc_nmsg(mdoc, n, MANDOCERR_MEM); - return(0); - } + /* The SYNOPSIS gets special attention in other areas. */ + + if (sec == SEC_SYNOPSIS) { + roff_setreg(mdoc->roff, "nS", 1, '='); + mdoc->flags |= MDOC_SYNOPSIS; + } else { + roff_setreg(mdoc->roff, "nS", 0, '='); + mdoc->flags &= ~MDOC_SYNOPSIS; } - sec = mdoc_str2sec(buf); + /* Mark our last section. */ - /* - * Check: NAME should always be first, CUSTOM has no roles, - * non-CUSTOM has a conventional order to be followed. - */ + mdoc->lastsec = sec; - if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST)) - return(0); + /* We don't care about custom sections after this. */ - if (SEC_CUSTOM == sec) - return(1); + if (sec == SEC_CUSTOM) + return; + /* + * Check whether our non-custom section is being repeated or is + * out of order. + */ + if (sec == mdoc->lastnamed) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP)) - return(0); + mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "Sh %s", secnames[sec]); if (sec < mdoc->lastnamed) - if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO)) - return(0); + mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "Sh %s", secnames[sec]); - /* - * Check particular section/manual conventions. LIBRARY can - * only occur in manual section 2, 3, and 9. - */ + /* Mark the last named section. */ + mdoc->lastnamed = sec; + + /* Check particular section/manual conventions. */ + + if (mdoc->meta.msec == NULL) + return; + + goodsec = NULL; switch (sec) { - case (SEC_LIBRARY): - assert(mdoc->meta.msec); + case SEC_ERRORS: + if (*mdoc->meta.msec == '4') + break; + goodsec = "2, 3, 4, 9"; + /* FALLTHROUGH */ + case SEC_RETURN_VALUES: + case SEC_LIBRARY: if (*mdoc->meta.msec == '2') break; if (*mdoc->meta.msec == '3') break; + if (NULL == goodsec) + goodsec = "2, 3, 9"; + /* FALLTHROUGH */ + case SEC_CONTEXT: if (*mdoc->meta.msec == '9') break; - return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC)); + if (NULL == goodsec) + goodsec = "9"; + mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "Sh %s for %s only", secnames[sec], goodsec); + break; default: break; } - - return(1); } +static void +post_ignpar(POST_ARGS) +{ + struct roff_node *np; -static int -pre_pp(PRE_ARGS) + switch (mdoc->last->type) { + case ROFFT_HEAD: + post_hyph(mdoc); + return; + case ROFFT_BODY: + break; + default: + return; + } + + if ((np = mdoc->last->child) != NULL) + if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) { + mandoc_vmsg(MANDOCERR_PAR_SKIP, + mdoc->parse, np->line, np->pos, + "%s after %s", mdoc_macronames[np->tok], + mdoc_macronames[mdoc->last->tok]); + roff_node_delete(mdoc, np); + } + + if ((np = mdoc->last->last) != NULL) + if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) { + mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, + np->line, np->pos, "%s at the end of %s", + mdoc_macronames[np->tok], + mdoc_macronames[mdoc->last->tok]); + roff_node_delete(mdoc, np); + } +} + +static void +pre_par(PRE_ARGS) { if (NULL == mdoc->last) - return(1); + return; + if (n->type != ROFFT_ELEM && n->type != ROFFT_BLOCK) + return; - /* Don't allow prior `Lp' or `Pp'. */ + /* + * Don't allow prior `Lp' or `Pp' prior to a paragraph-type + * block: `Lp', `Pp', or non-compact `Bd' or `Bl'. + */ - if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok) - return(1); + if (MDOC_Pp != mdoc->last->tok && + MDOC_Lp != mdoc->last->tok && + MDOC_br != mdoc->last->tok) + return; + if (MDOC_Bl == n->tok && n->norm->Bl.comp) + return; + if (MDOC_Bd == n->tok && n->norm->Bd.comp) + return; + if (MDOC_It == n->tok && n->parent->norm->Bl.comp) + return; - if (MDOC_Bl == n->tok && n->data.Bl->comp) - return(1); - if (MDOC_Bd == n->tok && n->data.Bd->comp) - return(1); + mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "%s before %s", mdoc_macronames[mdoc->last->tok], + mdoc_macronames[n->tok]); + roff_node_delete(mdoc, mdoc->last); +} - mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR); - mdoc_node_delete(mdoc, mdoc->last); - return(1); +static void +post_par(POST_ARGS) +{ + struct roff_node *np; + + np = mdoc->last; + + if (np->tok == MDOC_sp) { + if (np->nchild > 1) + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + np->child->next->line, np->child->next->pos, + "sp ... %s", np->child->next->string); + } else if (np->child != NULL) + mandoc_vmsg(MANDOCERR_ARG_SKIP, + mdoc->parse, np->line, np->pos, "%s %s", + mdoc_macronames[np->tok], np->child->string); + + if ((np = mdoc->last->prev) == NULL) { + np = mdoc->last->parent; + if (np->tok != MDOC_Sh && np->tok != MDOC_Ss) + return; + } else if (np->tok != MDOC_Pp && np->tok != MDOC_Lp && + (mdoc->last->tok != MDOC_br || + (np->tok != MDOC_sp && np->tok != MDOC_br))) + return; + + mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, + mdoc->last->line, mdoc->last->pos, + "%s after %s", mdoc_macronames[mdoc->last->tok], + mdoc_macronames[np->tok]); + roff_node_delete(mdoc, mdoc->last); +} + +static void +post_dd(POST_ARGS) +{ + struct roff_node *n; + char *datestr; + + n = mdoc->last; + if (mdoc->meta.date != NULL) { + mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, + n->line, n->pos, "Dd"); + free(mdoc->meta.date); + } else if (mdoc->flags & MDOC_PBODY) + mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse, + n->line, n->pos, "Dd"); + else if (mdoc->meta.title != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, + n->line, n->pos, "Dd after Dt"); + else if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, + n->line, n->pos, "Dd after Os"); + + if (n->child == NULL || n->child->string[0] == '\0') { + mdoc->meta.date = mdoc->quick ? mandoc_strdup("") : + mandoc_normdate(mdoc->parse, NULL, n->line, n->pos); + goto out; + } + + datestr = NULL; + deroff(&datestr, n); + if (mdoc->quick) + mdoc->meta.date = datestr; + else { + mdoc->meta.date = mandoc_normdate(mdoc->parse, + datestr, n->line, n->pos); + free(datestr); + } +out: + roff_node_delete(mdoc, n); +} + +static void +post_dt(POST_ARGS) +{ + struct roff_node *nn, *n; + const char *cp; + char *p; + + n = mdoc->last; + if (mdoc->flags & MDOC_PBODY) { + mandoc_msg(MANDOCERR_DT_LATE, mdoc->parse, + n->line, n->pos, "Dt"); + goto out; + } + + if (mdoc->meta.title != NULL) + mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, + n->line, n->pos, "Dt"); + else if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, + n->line, n->pos, "Dt after Os"); + + free(mdoc->meta.title); + free(mdoc->meta.msec); + free(mdoc->meta.vol); + free(mdoc->meta.arch); + + mdoc->meta.title = NULL; + mdoc->meta.msec = NULL; + mdoc->meta.vol = NULL; + mdoc->meta.arch = NULL; + + /* Mandatory first argument: title. */ + + nn = n->child; + if (nn == NULL || *nn->string == '\0') { + mandoc_msg(MANDOCERR_DT_NOTITLE, + mdoc->parse, n->line, n->pos, "Dt"); + mdoc->meta.title = mandoc_strdup("UNTITLED"); + } else { + mdoc->meta.title = mandoc_strdup(nn->string); + + /* Check that all characters are uppercase. */ + + for (p = nn->string; *p != '\0'; p++) + if (islower((unsigned char)*p)) { + mandoc_vmsg(MANDOCERR_TITLE_CASE, + mdoc->parse, nn->line, + nn->pos + (p - nn->string), + "Dt %s", nn->string); + break; + } + } + + /* Mandatory second argument: section. */ + + if (nn != NULL) + nn = nn->next; + + if (nn == NULL) { + mandoc_vmsg(MANDOCERR_MSEC_MISSING, + mdoc->parse, n->line, n->pos, + "Dt %s", mdoc->meta.title); + mdoc->meta.vol = mandoc_strdup("LOCAL"); + goto out; /* msec and arch remain NULL. */ + } + + mdoc->meta.msec = mandoc_strdup(nn->string); + + /* Infer volume title from section number. */ + + cp = mandoc_a2msec(nn->string); + if (cp == NULL) { + mandoc_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse, + nn->line, nn->pos, "Dt ... %s", nn->string); + mdoc->meta.vol = mandoc_strdup(nn->string); + } else + mdoc->meta.vol = mandoc_strdup(cp); + + /* Optional third argument: architecture. */ + + if ((nn = nn->next) == NULL) + goto out; + + for (p = nn->string; *p != '\0'; p++) + *p = tolower((unsigned char)*p); + mdoc->meta.arch = mandoc_strdup(nn->string); + + /* Ignore fourth and later arguments. */ + + if ((nn = nn->next) != NULL) + mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + nn->line, nn->pos, "Dt ... %s", nn->string); + +out: + roff_node_delete(mdoc, n); +} + +static void +post_bx(POST_ARGS) +{ + struct roff_node *n; + + /* + * Make `Bx's second argument always start with an uppercase + * letter. Groff checks if it's an "accepted" term, but we just + * uppercase blindly. + */ + + if ((n = mdoc->last->child) != NULL && (n = n->next) != NULL) + *n->string = (char)toupper((unsigned char)*n->string); +} + +static void +post_os(POST_ARGS) +{ +#ifndef OSNAME + struct utsname utsname; + static char *defbuf; +#endif + struct roff_node *n; + + n = mdoc->last; + if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, + n->line, n->pos, "Os"); + else if (mdoc->flags & MDOC_PBODY) + mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse, + n->line, n->pos, "Os"); + + /* + * Set the operating system by way of the `Os' macro. + * The order of precedence is: + * 1. the argument of the `Os' macro, unless empty + * 2. the -Ios=foo command line argument, if provided + * 3. -DOSNAME="\"foo\"", if provided during compilation + * 4. "sysname release" from uname(3) + */ + + free(mdoc->meta.os); + mdoc->meta.os = NULL; + deroff(&mdoc->meta.os, n); + if (mdoc->meta.os) + goto out; + + if (mdoc->defos) { + mdoc->meta.os = mandoc_strdup(mdoc->defos); + goto out; + } + +#ifdef OSNAME + mdoc->meta.os = mandoc_strdup(OSNAME); +#else /*!OSNAME */ + if (defbuf == NULL) { + if (uname(&utsname) == -1) { + mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse, + n->line, n->pos, "Os"); + defbuf = mandoc_strdup("UNKNOWN"); + } else + mandoc_asprintf(&defbuf, "%s %s", + utsname.sysname, utsname.release); + } + mdoc->meta.os = mandoc_strdup(defbuf); +#endif /*!OSNAME*/ + +out: + roff_node_delete(mdoc, n); +} + +/* + * If no argument is provided, + * fill in the name of the current manual page. + */ +static void +post_ex(POST_ARGS) +{ + struct roff_node *n; + + n = mdoc->last; + + if (n->child != NULL) + return; + + if (mdoc->meta.name == NULL) { + mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse, + n->line, n->pos, "Ex"); + return; + } + + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name); + mdoc->last = n; +} + +enum roff_sec +mdoc_a2sec(const char *p) +{ + int i; + + for (i = 0; i < (int)SEC__MAX; i++) + if (secnames[i] && 0 == strcmp(p, secnames[i])) + return (enum roff_sec)i; + + return SEC_CUSTOM; +} + +static size_t +macro2len(int macro) +{ + + switch (macro) { + case MDOC_Ad: + return 12; + case MDOC_Ao: + return 12; + case MDOC_An: + return 12; + case MDOC_Aq: + return 12; + case MDOC_Ar: + return 12; + case MDOC_Bo: + return 12; + case MDOC_Bq: + return 12; + case MDOC_Cd: + return 12; + case MDOC_Cm: + return 10; + case MDOC_Do: + return 10; + case MDOC_Dq: + return 12; + case MDOC_Dv: + return 12; + case MDOC_Eo: + return 12; + case MDOC_Em: + return 10; + case MDOC_Er: + return 17; + case MDOC_Ev: + return 15; + case MDOC_Fa: + return 12; + case MDOC_Fl: + return 10; + case MDOC_Fo: + return 16; + case MDOC_Fn: + return 16; + case MDOC_Ic: + return 10; + case MDOC_Li: + return 16; + case MDOC_Ms: + return 6; + case MDOC_Nm: + return 10; + case MDOC_No: + return 12; + case MDOC_Oo: + return 10; + case MDOC_Op: + return 14; + case MDOC_Pa: + return 32; + case MDOC_Pf: + return 12; + case MDOC_Po: + return 12; + case MDOC_Pq: + return 12; + case MDOC_Ql: + return 16; + case MDOC_Qo: + return 12; + case MDOC_So: + return 12; + case MDOC_Sq: + return 12; + case MDOC_Sy: + return 6; + case MDOC_Sx: + return 16; + case MDOC_Tn: + return 10; + case MDOC_Va: + return 12; + case MDOC_Vt: + return 12; + case MDOC_Xr: + return 10; + default: + break; + }; + return 0; }