=================================================================== RCS file: /cvs/mandoc/mdoc_validate.c,v retrieving revision 1.241 retrieving revision 1.366 diff -u -p -r1.241 -r1.366 --- mandoc/mdoc_validate.c 2014/08/01 22:22:11 1.241 +++ mandoc/mdoc_validate.c 2018/12/30 00:49:55 1.366 @@ -1,31 +1,28 @@ -/* $Id: mdoc_validate.c,v 1.241 2014/08/01 22:22:11 schwarze Exp $ */ +/* $Id: mdoc_validate.c,v 1.366 2018/12/30 00:49:55 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons - * Copyright (c) 2010-2014 Ingo Schwarze + * Copyright (c) 2010-2018 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 #include #include @@ -34,16 +31,18 @@ #include #include -#include "mdoc.h" -#include "mandoc.h" #include "mandoc_aux.h" -#include "libmdoc.h" +#include "mandoc.h" +#include "mandoc_xr.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 POST_ARGS struct roff_man *mdoc enum check_ineq { CHECK_LT, @@ -51,250 +50,199 @@ enum check_ineq { CHECK_EQ }; -enum check_lvl { - CHECK_WARN, - CHECK_ERROR, -}; +typedef void (*v_post)(POST_ARGS); -typedef int (*v_pre)(PRE_ARGS); -typedef int (*v_post)(POST_ARGS); +static int build_list(struct roff_man *, int); +static void check_argv(struct roff_man *, + struct roff_node *, struct mdoc_argv *); +static void check_args(struct roff_man *, struct roff_node *); +static void check_text(struct roff_man *, int, int, char *); +static void check_text_em(struct roff_man *, int, int, char *); +static void check_toptext(struct roff_man *, int, int, const char *); +static int child_an(const struct roff_node *); +static size_t macro2len(enum roff_tok); +static void rewrite_macro2len(struct roff_man *, char **); +static int similar(const char *, const char *); -struct valids { - v_pre pre; - v_post *post; -}; +static void post_abort(POST_ARGS); +static void post_an(POST_ARGS); +static void post_an_norm(POST_ARGS); +static void post_at(POST_ARGS); +static void post_bd(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_head(POST_ARGS); +static void post_bl_norm(POST_ARGS); +static void post_bx(POST_ARGS); +static void post_defaults(POST_ARGS); +static void post_display(POST_ARGS); +static void post_dd(POST_ARGS); +static void post_delim(POST_ARGS); +static void post_delim_nb(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_nd(POST_ARGS); +static void post_nm(POST_ARGS); +static void post_ns(POST_ARGS); +static void post_obsolete(POST_ARGS); +static void post_os(POST_ARGS); +static void post_par(POST_ARGS); +static void post_prevpar(POST_ARGS); +static void post_root(POST_ARGS); +static void post_rs(POST_ARGS); +static void post_rv(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 void post_std(POST_ARGS); +static void post_sx(POST_ARGS); +static void post_useless(POST_ARGS); +static void post_xr(POST_ARGS); +static void post_xx(POST_ARGS); -static int check_count(struct mdoc *, enum mdoc_type, - enum check_lvl, enum check_ineq, int); -static void check_text(struct mdoc *, int, int, char *); -static void check_argv(struct mdoc *, - struct mdoc_node *, struct mdoc_argv *); -static void check_args(struct mdoc *, struct mdoc_node *); -static enum mdoc_sec a2sec(const char *); -static size_t macro2len(enum mdoct); - -static int ebool(POST_ARGS); -static int berr_ge1(POST_ARGS); -static int bwarn_ge1(POST_ARGS); -static int ewarn_eq0(POST_ARGS); -static int ewarn_eq1(POST_ARGS); -static int ewarn_ge1(POST_ARGS); -static int ewarn_le1(POST_ARGS); -static int hwarn_eq0(POST_ARGS); -static int hwarn_eq1(POST_ARGS); -static int hwarn_ge1(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_block(POST_ARGS); -static int post_bl_block_width(POST_ARGS); -static int post_bl_block_tag(POST_ARGS); -static int post_bl_head(POST_ARGS); -static int post_bx(POST_ARGS); -static int post_defaults(POST_ARGS); -static int post_dd(POST_ARGS); -static int post_dt(POST_ARGS); -static int post_en(POST_ARGS); -static int post_es(POST_ARGS); -static int post_eoln(POST_ARGS); -static int post_ex(POST_ARGS); -static int post_hyph(POST_ARGS); -static int post_ignpar(POST_ARGS); -static int post_it(POST_ARGS); -static int post_lb(POST_ARGS); -static int post_literal(POST_ARGS); -static int post_nm(POST_ARGS); -static int post_ns(POST_ARGS); -static int post_os(POST_ARGS); -static int post_par(POST_ARGS); -static int post_prol(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_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_literal(PRE_ARGS); -static int pre_obsolete(PRE_ARGS); -static int pre_os(PRE_ARGS); -static int pre_par(PRE_ARGS); -static int pre_std(PRE_ARGS); - -static v_post posts_an[] = { post_an, NULL }; -static v_post posts_at[] = { post_at, post_defaults, NULL }; -static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL }; -static v_post posts_bf[] = { post_bf, NULL }; -static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL }; -static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL }; -static v_post posts_bx[] = { post_bx, NULL }; -static v_post posts_bool[] = { ebool, NULL }; -static v_post posts_eoln[] = { post_eoln, NULL }; -static v_post posts_defaults[] = { post_defaults, NULL }; -static v_post posts_d1[] = { bwarn_ge1, post_hyph, NULL }; -static v_post posts_dd[] = { post_dd, post_prol, NULL }; -static v_post posts_dl[] = { post_literal, bwarn_ge1, NULL }; -static v_post posts_dt[] = { post_dt, post_prol, NULL }; -static v_post posts_en[] = { post_en, NULL }; -static v_post posts_es[] = { post_es, NULL }; -static v_post posts_ex[] = { post_ex, NULL }; -static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL }; -static v_post posts_hyph[] = { post_hyph, NULL }; -static v_post posts_hyphtext[] = { ewarn_ge1, post_hyph, NULL }; -static v_post posts_it[] = { post_it, NULL }; -static v_post posts_lb[] = { post_lb, NULL }; -static v_post posts_nd[] = { berr_ge1, post_hyph, NULL }; -static v_post posts_nm[] = { post_nm, NULL }; -static v_post posts_notext[] = { ewarn_eq0, NULL }; -static v_post posts_ns[] = { post_ns, NULL }; -static v_post posts_os[] = { post_os, post_prol, NULL }; -static v_post posts_pp[] = { post_par, ewarn_eq0, NULL }; -static v_post posts_rs[] = { post_rs, NULL }; -static v_post posts_sh[] = { post_ignpar,hwarn_ge1,post_sh,post_hyph,NULL }; -static v_post posts_sp[] = { post_par, ewarn_le1, NULL }; -static v_post posts_ss[] = { post_ignpar, hwarn_ge1, post_hyph, NULL }; -static v_post posts_st[] = { post_st, NULL }; -static v_post posts_text[] = { ewarn_ge1, NULL }; -static v_post posts_text1[] = { ewarn_eq1, NULL }; -static v_post posts_vt[] = { post_vt, NULL }; - -static const struct valids mdoc_valids[MDOC_MAX] = { - { NULL, NULL }, /* Ap */ - { pre_dd, posts_dd }, /* Dd */ - { pre_dt, posts_dt }, /* Dt */ - { pre_os, posts_os }, /* Os */ - { NULL, posts_sh }, /* Sh */ - { NULL, posts_ss }, /* Ss */ - { pre_par, posts_pp }, /* Pp */ - { pre_display, posts_d1 }, /* D1 */ - { pre_literal, posts_dl }, /* Dl */ - { pre_bd, posts_bd }, /* Bd */ - { NULL, NULL }, /* Ed */ - { pre_bl, posts_bl }, /* Bl */ - { NULL, NULL }, /* El */ - { pre_par, posts_it }, /* It */ - { NULL, NULL }, /* Ad */ - { pre_an, posts_an }, /* An */ - { NULL, posts_defaults }, /* Ar */ - { NULL, NULL }, /* Cd */ - { NULL, NULL }, /* Cm */ - { NULL, NULL }, /* Dv */ - { NULL, NULL }, /* Er */ - { NULL, NULL }, /* Ev */ - { pre_std, posts_ex }, /* Ex */ - { NULL, NULL }, /* Fa */ - { NULL, posts_text }, /* Fd */ - { NULL, NULL }, /* Fl */ - { NULL, NULL }, /* Fn */ - { NULL, NULL }, /* Ft */ - { NULL, NULL }, /* Ic */ - { NULL, posts_text1 }, /* In */ - { NULL, posts_defaults }, /* Li */ - { NULL, posts_nd }, /* Nd */ - { NULL, posts_nm }, /* Nm */ - { NULL, NULL }, /* Op */ - { pre_obsolete, NULL }, /* Ot */ - { NULL, posts_defaults }, /* Pa */ - { pre_std, NULL }, /* Rv */ - { NULL, posts_st }, /* St */ - { NULL, NULL }, /* Va */ - { NULL, posts_vt }, /* Vt */ - { NULL, posts_text }, /* Xr */ - { NULL, posts_text }, /* %A */ - { NULL, posts_hyphtext }, /* %B */ /* FIXME: can be used outside Rs/Re. */ - { NULL, posts_text }, /* %D */ - { NULL, posts_text }, /* %I */ - { NULL, posts_text }, /* %J */ - { NULL, posts_hyphtext }, /* %N */ - { NULL, posts_hyphtext }, /* %O */ - { NULL, posts_text }, /* %P */ - { NULL, posts_hyphtext }, /* %R */ - { NULL, posts_hyphtext }, /* %T */ /* FIXME: can be used outside Rs/Re. */ - { NULL, posts_text }, /* %V */ - { NULL, NULL }, /* Ac */ - { NULL, NULL }, /* Ao */ - { NULL, NULL }, /* Aq */ - { NULL, posts_at }, /* At */ - { NULL, NULL }, /* Bc */ - { NULL, posts_bf }, /* Bf */ - { NULL, NULL }, /* Bo */ - { NULL, NULL }, /* Bq */ - { NULL, NULL }, /* Bsx */ - { NULL, posts_bx }, /* Bx */ - { NULL, posts_bool }, /* Db */ - { NULL, NULL }, /* Dc */ - { NULL, NULL }, /* Do */ - { NULL, NULL }, /* Dq */ - { NULL, NULL }, /* Ec */ - { NULL, NULL }, /* Ef */ - { NULL, NULL }, /* Em */ - { NULL, NULL }, /* Eo */ - { NULL, NULL }, /* Fx */ - { NULL, NULL }, /* Ms */ - { NULL, posts_notext }, /* No */ - { NULL, posts_ns }, /* Ns */ - { NULL, NULL }, /* Nx */ - { NULL, NULL }, /* Ox */ - { NULL, NULL }, /* Pc */ - { NULL, posts_text1 }, /* Pf */ - { NULL, NULL }, /* Po */ - { NULL, NULL }, /* Pq */ - { NULL, NULL }, /* Qc */ - { NULL, NULL }, /* Ql */ - { NULL, NULL }, /* Qo */ - { NULL, NULL }, /* Qq */ - { NULL, NULL }, /* Re */ - { NULL, posts_rs }, /* Rs */ - { NULL, NULL }, /* Sc */ - { NULL, NULL }, /* So */ - { NULL, NULL }, /* Sq */ - { NULL, posts_bool }, /* Sm */ - { NULL, posts_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, NULL }, /* Oo */ - { NULL, NULL }, /* Oc */ - { NULL, posts_bk }, /* Bk */ - { NULL, NULL }, /* Ek */ - { NULL, posts_eoln }, /* Bt */ - { NULL, NULL }, /* Hf */ - { pre_obsolete, NULL }, /* Fr */ - { NULL, posts_eoln }, /* Ud */ - { NULL, posts_lb }, /* Lb */ - { pre_par, posts_pp }, /* Lp */ - { NULL, NULL }, /* Lk */ - { NULL, posts_defaults }, /* Mt */ - { NULL, NULL }, /* Brq */ - { NULL, NULL }, /* Bro */ - { NULL, NULL }, /* Brc */ - { NULL, posts_text }, /* %C */ - { pre_obsolete, posts_es }, /* Es */ - { pre_obsolete, posts_en }, /* En */ - { NULL, NULL }, /* Dx */ - { NULL, posts_text }, /* %Q */ - { NULL, posts_pp }, /* br */ - { NULL, posts_sp }, /* sp */ - { NULL, posts_text1 }, /* %U */ - { NULL, NULL }, /* Ta */ - { NULL, NULL }, /* ll */ +static const v_post mdoc_valids[MDOC_MAX - MDOC_Dd] = { + post_dd, /* Dd */ + post_dt, /* Dt */ + post_os, /* Os */ + post_sh, /* Sh */ + post_ignpar, /* Ss */ + post_par, /* Pp */ + post_display, /* D1 */ + post_display, /* Dl */ + post_display, /* Bd */ + NULL, /* Ed */ + post_bl, /* Bl */ + NULL, /* El */ + post_it, /* It */ + post_delim_nb, /* Ad */ + post_an, /* An */ + NULL, /* Ap */ + post_defaults, /* Ar */ + NULL, /* Cd */ + post_delim_nb, /* Cm */ + post_delim_nb, /* Dv */ + post_delim_nb, /* Er */ + post_delim_nb, /* Ev */ + post_ex, /* Ex */ + post_fa, /* Fa */ + NULL, /* Fd */ + post_delim_nb, /* Fl */ + post_fn, /* Fn */ + post_delim_nb, /* Ft */ + post_delim_nb, /* Ic */ + post_delim_nb, /* In */ + post_defaults, /* Li */ + post_nd, /* Nd */ + post_nm, /* Nm */ + post_delim_nb, /* Op */ + post_abort, /* Ot */ + post_defaults, /* Pa */ + post_rv, /* Rv */ + post_st, /* St */ + post_delim_nb, /* Va */ + post_delim_nb, /* Vt */ + post_xr, /* Xr */ + NULL, /* %A */ + post_hyph, /* %B */ /* FIXME: can be used outside Rs/Re. */ + NULL, /* %D */ + NULL, /* %I */ + NULL, /* %J */ + post_hyph, /* %N */ + post_hyph, /* %O */ + NULL, /* %P */ + post_hyph, /* %R */ + post_hyph, /* %T */ /* FIXME: can be used outside Rs/Re. */ + NULL, /* %V */ + NULL, /* Ac */ + NULL, /* Ao */ + post_delim_nb, /* Aq */ + post_at, /* At */ + NULL, /* Bc */ + post_bf, /* Bf */ + NULL, /* Bo */ + NULL, /* Bq */ + post_xx, /* Bsx */ + post_bx, /* Bx */ + post_obsolete, /* Db */ + NULL, /* Dc */ + NULL, /* Do */ + NULL, /* Dq */ + NULL, /* Ec */ + NULL, /* Ef */ + post_delim_nb, /* Em */ + NULL, /* Eo */ + post_xx, /* Fx */ + post_delim_nb, /* Ms */ + NULL, /* No */ + post_ns, /* Ns */ + post_xx, /* Nx */ + post_xx, /* Ox */ + NULL, /* Pc */ + NULL, /* Pf */ + NULL, /* Po */ + post_delim_nb, /* Pq */ + NULL, /* Qc */ + post_delim_nb, /* Ql */ + NULL, /* Qo */ + post_delim_nb, /* Qq */ + NULL, /* Re */ + post_rs, /* Rs */ + NULL, /* Sc */ + NULL, /* So */ + post_delim_nb, /* Sq */ + post_sm, /* Sm */ + post_sx, /* Sx */ + post_delim_nb, /* Sy */ + post_useless, /* Tn */ + post_xx, /* Ux */ + NULL, /* Xc */ + NULL, /* Xo */ + post_fo, /* Fo */ + NULL, /* Fc */ + NULL, /* Oo */ + NULL, /* Oc */ + post_bk, /* Bk */ + NULL, /* Ek */ + post_eoln, /* Bt */ + post_obsolete, /* Hf */ + post_obsolete, /* Fr */ + post_eoln, /* Ud */ + post_lb, /* Lb */ + post_abort, /* Lp */ + post_delim_nb, /* Lk */ + post_defaults, /* Mt */ + post_delim_nb, /* Brq */ + NULL, /* Bro */ + NULL, /* Brc */ + NULL, /* %C */ + post_es, /* Es */ + post_en, /* En */ + post_xx, /* Dx */ + NULL, /* %Q */ + NULL, /* %U */ + NULL, /* Ta */ }; #define RSORD_MAX 14 /* Number of `Rs' blocks. */ -static const enum mdoct rsord[RSORD_MAX] = { +static const enum roff_tok rsord[RSORD_MAX] = { MDOC__A, MDOC__T, MDOC__B, @@ -338,239 +286,364 @@ static const char * const secnames[SEC__MAX] = { }; -int -mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n) +/* Validate the subtree rooted at mdoc->last. */ +void +mdoc_node_validate(struct roff_man *mdoc) { - v_pre p; + struct roff_node *n, *np; + const v_post *p; - switch (n->type) { - case MDOC_TEXT: - check_text(mdoc, n->line, n->pos, n->string); - /* FALLTHROUGH */ - case MDOC_TBL: - /* FALLTHROUGH */ - case MDOC_EQN: - /* FALLTHROUGH */ - case MDOC_ROOT: - return(1); + /* + * Translate obsolete macros to modern macros first + * such that later code does not need to look + * for the obsolete versions. + */ + + n = mdoc->last; + switch (n->tok) { + case MDOC_Lp: + n->tok = MDOC_Pp; + break; + case MDOC_Ot: + post_obsolete(mdoc); + n->tok = MDOC_Ft; + break; default: break; } - check_args(mdoc, n); - p = mdoc_valids[n->tok].pre; - return(*p ? (*p)(mdoc, n) : 1); -} + /* + * Iterate over all children, recursing into each one + * in turn, depth-first. + */ -int -mdoc_valid_post(struct mdoc *mdoc) -{ - v_post *p; + 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_VALID & mdoc->last->flags) - return(1); - mdoc->last->flags |= MDOC_VALID; + /* Finally validate the macro itself. */ - switch (mdoc->last->type) { - case MDOC_TEXT: - /* FALLTHROUGH */ - case MDOC_EQN: - /* FALLTHROUGH */ - case MDOC_TBL: - return(1); - case MDOC_ROOT: - return(post_root(mdoc)); - default: + mdoc->last = n; + mdoc->next = ROFF_NEXT_SIBLING; + switch (n->type) { + case ROFFT_TEXT: + np = n->parent; + if (n->sec != SEC_SYNOPSIS || + (np->tok != MDOC_Cd && np->tok != MDOC_Fd)) + check_text(mdoc, n->line, n->pos, n->string); + if (np->tok != MDOC_Ql && np->tok != MDOC_Dl && + (np->tok != MDOC_Bd || + (mdoc->flags & MDOC_LITERAL) == 0) && + (np->tok != MDOC_It || np->type != ROFFT_HEAD || + np->parent->parent->norm->Bl.type != LIST_diag)) + check_text_em(mdoc, n->line, n->pos, n->string); + if (np->tok == MDOC_It || (np->type == ROFFT_BODY && + (np->tok == MDOC_Sh || np->tok == MDOC_Ss))) + check_toptext(mdoc, n->line, n->pos, n->string); break; - } + case ROFFT_COMMENT: + case ROFFT_EQN: + case ROFFT_TBL: + break; + case ROFFT_ROOT: + post_root(mdoc); + break; + default: + check_args(mdoc, mdoc->last); - 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 &= ~NODE_DELIMC; + if (n->last != NULL) + n->last->flags &= ~NODE_DELIMO; -static int -check_count(struct mdoc *mdoc, enum mdoc_type type, - enum check_lvl lvl, enum check_ineq ineq, int val) -{ - const char *p; - enum mandocerr t; + /* Call the macro's postprocessor. */ - if (mdoc->last->type != type) - return(1); + if (n->tok < ROFF_MAX) { + roff_validate(mdoc); + break; + } - switch (ineq) { - case CHECK_LT: - p = "less than "; - if (mdoc->last->nchild < val) - return(1); + assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX); + p = mdoc_valids + (n->tok - MDOC_Dd); + if (*p) + (*p)(mdoc); + if (mdoc->last == n) + mdoc_state(mdoc, n); break; - case CHECK_GT: - p = "more than "; - if (mdoc->last->nchild > val) - return(1); - break; - case CHECK_EQ: - p = ""; - if (val == mdoc->last->nchild) - return(1); - break; - default: - abort(); - /* NOTREACHED */ } - - t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT; - mandoc_vmsg(t, mdoc->parse, mdoc->last->line, - mdoc->last->pos, "want %s%d children (have %d)", - p, val, mdoc->last->nchild); - return(1); } -static int -berr_ge1(POST_ARGS) +static void +check_args(struct roff_man *mdoc, struct roff_node *n) { + int i; - return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0)); -} + if (NULL == n->args) + return; -static int -bwarn_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0)); + assert(n->args->argc); + for (i = 0; i < (int)n->args->argc; i++) + check_argv(mdoc, n, &n->args->argv[i]); } -static int -ewarn_eq0(POST_ARGS) +static void +check_argv(struct roff_man *mdoc, struct roff_node *n, struct mdoc_argv *v) { - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0)); -} + int i; -static int -ewarn_eq1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1)); + for (i = 0; i < (int)v->sz; i++) + check_text(mdoc, v->line, v->pos, v->value[i]); } -static int -ewarn_ge1(POST_ARGS) +static void +check_text(struct roff_man *mdoc, int ln, int pos, char *p) { - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0)); -} + char *cp; -static int -ewarn_le1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2)); -} + if (MDOC_LITERAL & mdoc->flags) + return; -static int -hwarn_eq0(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0)); + for (cp = p; NULL != (p = strchr(p, '\t')); p++) + mandoc_msg(MANDOCERR_FI_TAB, ln, pos + (int)(p - cp), NULL); } -static int -hwarn_eq1(POST_ARGS) +static void +check_text_em(struct roff_man *mdoc, int ln, int pos, char *p) { - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1)); -} + const struct roff_node *np, *nn; + char *cp; -static int -hwarn_ge1(POST_ARGS) -{ - return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_GT, 0)); + np = mdoc->last->prev; + nn = mdoc->last->next; + + /* Look for em-dashes wrongly encoded as "--". */ + + for (cp = p; *cp != '\0'; cp++) { + if (cp[0] != '-' || cp[1] != '-') + continue; + cp++; + + /* Skip input sequences of more than two '-'. */ + + if (cp[1] == '-') { + while (cp[1] == '-') + cp++; + continue; + } + + /* Skip "--" directly attached to something else. */ + + if ((cp - p > 1 && cp[-2] != ' ') || + (cp[1] != '\0' && cp[1] != ' ')) + continue; + + /* Require a letter right before or right afterwards. */ + + if ((cp - p > 2 ? + isalpha((unsigned char)cp[-3]) : + np != NULL && + np->type == ROFFT_TEXT && + *np->string != '\0' && + isalpha((unsigned char)np->string[ + strlen(np->string) - 1])) || + (cp[1] != '\0' && cp[2] != '\0' ? + isalpha((unsigned char)cp[2]) : + nn != NULL && + nn->type == ROFFT_TEXT && + isalpha((unsigned char)*nn->string))) { + mandoc_msg(MANDOCERR_DASHDASH, + ln, pos + (int)(cp - p) - 1, NULL); + break; + } + } } static void -check_args(struct mdoc *mdoc, struct mdoc_node *n) +check_toptext(struct roff_man *mdoc, int ln, int pos, const char *p) { - int i; + const char *cp, *cpr; - if (NULL == n->args) + if (*p == '\0') return; - assert(n->args->argc); - for (i = 0; i < (int)n->args->argc; i++) - check_argv(mdoc, n, &n->args->argv[i]); + if ((cp = strstr(p, "OpenBSD")) != NULL) + mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Ox"); + if ((cp = strstr(p, "NetBSD")) != NULL) + mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Nx"); + if ((cp = strstr(p, "FreeBSD")) != NULL) + mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Fx"); + if ((cp = strstr(p, "DragonFly")) != NULL) + mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Dx"); + + cp = p; + while ((cp = strstr(cp + 1, "()")) != NULL) { + for (cpr = cp - 1; cpr >= p; cpr--) + if (*cpr != '_' && !isalnum((unsigned char)*cpr)) + break; + if ((cpr < p || *cpr == ' ') && cpr + 1 < cp) { + cpr++; + mandoc_msg(MANDOCERR_FUNC, ln, pos + (int)(cpr - p), + "%.*s()", (int)(cp - cpr), cpr); + } + } } static void -check_argv(struct mdoc *mdoc, struct mdoc_node *n, struct mdoc_argv *v) +post_abort(POST_ARGS) { - int i; - - for (i = 0; i < (int)v->sz; i++) - check_text(mdoc, v->line, v->pos, v->value[i]); + abort(); } static void -check_text(struct mdoc *mdoc, int ln, int pos, char *p) +post_delim(POST_ARGS) { - char *cp; + const struct roff_node *nch; + const char *lc; + enum mdelim delim; + enum roff_tok tok; - if (MDOC_LITERAL & mdoc->flags) + tok = mdoc->last->tok; + nch = mdoc->last->last; + if (nch == NULL || nch->type != ROFFT_TEXT) return; + lc = strchr(nch->string, '\0') - 1; + if (lc < nch->string) + return; + delim = mdoc_isdelim(lc); + if (delim == DELIM_NONE || delim == DELIM_OPEN) + return; + if (*lc == ')' && (tok == MDOC_Nd || tok == MDOC_Sh || + tok == MDOC_Ss || tok == MDOC_Fo)) + return; - for (cp = p; NULL != (p = strchr(p, '\t')); p++) - mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse, - ln, pos + (int)(p - cp), NULL); + mandoc_msg(MANDOCERR_DELIM, nch->line, + nch->pos + (int)(lc - nch->string), "%s%s %s", roff_name[tok], + nch == mdoc->last->child ? "" : " ...", nch->string); } -static int -pre_display(PRE_ARGS) +static void +post_delim_nb(POST_ARGS) { - struct mdoc_node *node; + const struct roff_node *nch; + const char *lc, *cp; + int nw; + enum mdelim delim; + enum roff_tok tok; - if (MDOC_BLOCK != n->type) - return(1); + /* + * Find candidates: at least two bytes, + * the last one a closing or middle delimiter. + */ - for (node = mdoc->last->parent; node; node = node->parent) - if (MDOC_BLOCK == node->type) - if (MDOC_Bd == node->tok) - break; + tok = mdoc->last->tok; + nch = mdoc->last->last; + if (nch == NULL || nch->type != ROFFT_TEXT) + return; + lc = strchr(nch->string, '\0') - 1; + if (lc <= nch->string) + return; + delim = mdoc_isdelim(lc); + if (delim == DELIM_NONE || delim == DELIM_OPEN) + return; - if (node) - mandoc_vmsg(MANDOCERR_BD_NEST, - mdoc->parse, n->line, n->pos, - "%s in Bd", mdoc_macronames[n->tok]); + /* + * Reduce false positives by allowing various cases. + */ - return(1); + /* Escaped delimiters. */ + if (lc > nch->string + 1 && lc[-2] == '\\' && + (lc[-1] == '&' || lc[-1] == 'e')) + return; + + /* Specific byte sequences. */ + switch (*lc) { + case ')': + for (cp = lc; cp >= nch->string; cp--) + if (*cp == '(') + return; + break; + case '.': + if (lc > nch->string + 1 && lc[-2] == '.' && lc[-1] == '.') + return; + if (lc[-1] == '.') + return; + break; + case ';': + if (tok == MDOC_Vt) + return; + break; + case '?': + if (lc[-1] == '?') + return; + break; + case ']': + for (cp = lc; cp >= nch->string; cp--) + if (*cp == '[') + return; + break; + case '|': + if (lc == nch->string + 1 && lc[-1] == '|') + return; + default: + break; + } + + /* Exactly two non-alphanumeric bytes. */ + if (lc == nch->string + 1 && !isalnum((unsigned char)lc[-1])) + return; + + /* At least three alphabetic words with a sentence ending. */ + if (strchr("!.:?", *lc) != NULL && (tok == MDOC_Em || + tok == MDOC_Li || tok == MDOC_Pq || tok == MDOC_Sy)) { + nw = 0; + for (cp = lc - 1; cp >= nch->string; cp--) { + if (*cp == ' ') { + nw++; + if (cp > nch->string && cp[-1] == ',') + cp--; + } else if (isalpha((unsigned int)*cp)) { + if (nw > 1) + return; + } else + break; + } + } + + mandoc_msg(MANDOCERR_DELIM_NB, nch->line, + nch->pos + (int)(lc - nch->string), "%s%s %s", roff_name[tok], + nch == mdoc->last->child ? "" : " ...", nch->string); } -static int -pre_bl(PRE_ARGS) +static void +post_bl_norm(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *n; struct mdoc_argv *argv, *wa; int i; enum mdocargt mdoclt; enum mdoc_list lt; - if (MDOC_BLOCK != n->type) { - if (ENDBODY_NOT != n->end) { - assert(n->pending); - np = n->pending->parent; - } else - np = n->parent; + n = mdoc->last->parent; + n->norm->Bl.type = LIST__NONE; - assert(np); - assert(MDOC_BLOCK == np->type); - assert(MDOC_Bl == np->tok); - 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. */ - wa = n->args->argv; + 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; @@ -614,38 +687,35 @@ pre_bl(PRE_ARGS) case MDOC_Compact: if (n->norm->Bl.comp) mandoc_msg(MANDOCERR_ARG_REP, - mdoc->parse, argv->line, - argv->pos, "Bl -compact"); + argv->line, argv->pos, "Bl -compact"); n->norm->Bl.comp = 1; break; case MDOC_Width: wa = argv; if (0 == argv->sz) { mandoc_msg(MANDOCERR_ARG_EMPTY, - mdoc->parse, argv->line, - argv->pos, "Bl -width"); + 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]); + mandoc_msg(MANDOCERR_ARG_REP, + argv->line, argv->pos, + "Bl -width %s", argv->value[0]); + rewrite_macro2len(mdoc, argv->value); n->norm->Bl.width = argv->value[0]; break; case MDOC_Offset: if (0 == argv->sz) { mandoc_msg(MANDOCERR_ARG_EMPTY, - mdoc->parse, argv->line, - argv->pos, "Bl -offset"); + argv->line, argv->pos, "Bl -offset"); break; } if (NULL != n->norm->Bl.offs) - mandoc_vmsg(MANDOCERR_ARG_REP, - mdoc->parse, argv->line, - argv->pos, "Bl -offset %s", - argv->value[0]); + mandoc_msg(MANDOCERR_ARG_REP, + argv->line, argv->pos, + "Bl -offset %s", argv->value[0]); + rewrite_macro2len(mdoc, argv->value); n->norm->Bl.offs = argv->value[0]; break; default: @@ -658,8 +728,7 @@ pre_bl(PRE_ARGS) /* Check: multiple list types. */ if (LIST__NONE != n->norm->Bl.type) { - mandoc_vmsg(MANDOCERR_BL_REP, - mdoc->parse, n->line, n->pos, + mandoc_msg(MANDOCERR_BL_REP, n->line, n->pos, "Bl -%s", mdoc_argnames[argv->arg]); continue; } @@ -669,8 +738,8 @@ pre_bl(PRE_ARGS) 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", + mandoc_msg(MANDOCERR_BL_LATETYPE, + n->line, n->pos, "Bl -%s", mdoc_argnames[n->args->argv[0].arg]); n->norm->Bl.type = lt; @@ -683,9 +752,9 @@ pre_bl(PRE_ARGS) /* Allow lists to default to LIST_item. */ if (LIST__NONE == n->norm->Bl.type) { - mandoc_msg(MANDOCERR_BL_NOTYPE, mdoc->parse, - n->line, n->pos, "Bl"); + mandoc_msg(MANDOCERR_BL_NOTYPE, n->line, n->pos, "Bl"); n->norm->Bl.type = LIST_item; + mdoclt = MDOC_Item; } /* @@ -697,66 +766,44 @@ pre_bl(PRE_ARGS) switch (n->norm->Bl.type) { case LIST_tag: - if (NULL == n->norm->Bl.width) - mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse, + if (n->norm->Bl.width == NULL) + mandoc_msg(MANDOCERR_BL_NOWIDTH, n->line, n->pos, "Bl -tag"); break; case LIST_column: - /* FALLTHROUGH */ case LIST_diag: - /* FALLTHROUGH */ case LIST_ohang: - /* FALLTHROUGH */ case LIST_inset: - /* FALLTHROUGH */ case LIST_item: - if (n->norm->Bl.width) - mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse, - wa->line, wa->pos, "Bl -%s", - mdoc_argnames[mdoclt]); + if (n->norm->Bl.width != NULL) + mandoc_msg(MANDOCERR_BL_SKIPW, wa->line, wa->pos, + "Bl -%s", mdoc_argnames[mdoclt]); + n->norm->Bl.width = NULL; break; case LIST_bullet: - /* FALLTHROUGH */ case LIST_dash: - /* FALLTHROUGH */ case LIST_hyphen: - if (NULL == n->norm->Bl.width) + if (n->norm->Bl.width == NULL) n->norm->Bl.width = "2n"; break; case LIST_enum: - if (NULL == n->norm->Bl.width) + if (n->norm->Bl.width == NULL) n->norm->Bl.width = "3n"; break; default: break; } - - return(pre_par(mdoc, n)); } -static int -pre_bd(PRE_ARGS) +static void +post_bd(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *n; struct mdoc_argv *argv; int i; enum mdoc_disp dt; - pre_literal(mdoc, n); - - if (MDOC_BLOCK != n->type) { - if (ENDBODY_NOT != n->end) { - assert(n->pending); - np = n->pending->parent; - } else - np = n->parent; - - assert(np); - assert(MDOC_BLOCK == np->type); - assert(MDOC_Bd == np->tok); - return(1); - } - + n = mdoc->last; for (i = 0; n->args && i < (int)n->args->argc; i++) { argv = n->args->argv + i; dt = DISP__NONE; @@ -778,33 +825,29 @@ pre_bd(PRE_ARGS) dt = DISP_literal; break; case MDOC_File: - mandoc_msg(MANDOCERR_BD_FILE, mdoc->parse, - n->line, n->pos, NULL); - return(0); + mandoc_msg(MANDOCERR_BD_FILE, 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"); + argv->line, argv->pos, "Bd -offset"); break; } if (NULL != n->norm->Bd.offs) - mandoc_vmsg(MANDOCERR_ARG_REP, - mdoc->parse, argv->line, - argv->pos, "Bd -offset %s", - argv->value[0]); + mandoc_msg(MANDOCERR_ARG_REP, + argv->line, argv->pos, + "Bd -offset %s", argv->value[0]); + rewrite_macro2len(mdoc, argv->value); n->norm->Bd.offs = argv->value[0]; break; case MDOC_Compact: if (n->norm->Bd.comp) mandoc_msg(MANDOCERR_ARG_REP, - mdoc->parse, argv->line, - argv->pos, "Bd -compact"); + argv->line, argv->pos, "Bd -compact"); n->norm->Bd.comp = 1; break; default: abort(); - /* NOTREACHED */ } if (DISP__NONE == dt) continue; @@ -812,33 +855,34 @@ pre_bd(PRE_ARGS) if (DISP__NONE == n->norm->Bd.type) n->norm->Bd.type = dt; else - mandoc_vmsg(MANDOCERR_BD_REP, - mdoc->parse, n->line, n->pos, + mandoc_msg(MANDOCERR_BD_REP, n->line, n->pos, "Bd -%s", mdoc_argnames[argv->arg]); } if (DISP__NONE == n->norm->Bd.type) { - mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse, - n->line, n->pos, "Bd"); + mandoc_msg(MANDOCERR_BD_NOTYPE, n->line, n->pos, "Bd"); n->norm->Bd.type = DISP_ragged; } - - return(pre_par(mdoc, n)); } -static int -pre_an(PRE_ARGS) +/* + * Stand-alone line macros. + */ + +static void +post_an_norm(POST_ARGS) { + struct roff_node *n; struct mdoc_argv *argv; size_t i; + n = mdoc->last; if (n->args == NULL) - return(1); + return; for (i = 1; i < n->args->argc; i++) { argv = n->args->argv + i; - mandoc_vmsg(MANDOCERR_AN_REP, - mdoc->parse, argv->line, argv->pos, + mandoc_msg(MANDOCERR_AN_REP, argv->line, argv->pos, "An -%s", mdoc_argnames[argv->arg]); } @@ -849,632 +893,803 @@ pre_an(PRE_ARGS) n->norm->An.auth = AUTH_nosplit; else abort(); +} - return(1); +static void +post_eoln(POST_ARGS) +{ + struct roff_node *n; + + post_useless(mdoc); + n = mdoc->last; + if (n->child != NULL) + mandoc_msg(MANDOCERR_ARG_SKIP, n->line, + n->pos, "%s %s", roff_name[n->tok], n->child->string); + + while (n->child != NULL) + roff_node_delete(mdoc, n->child); + + roff_word_alloc(mdoc, n->line, n->pos, n->tok == MDOC_Bt ? + "is currently in beta test." : "currently under development."); + mdoc->last->flags |= NODE_EOS | NODE_NOSRC; + mdoc->last = n; } static int -pre_std(PRE_ARGS) +build_list(struct roff_man *mdoc, int tok) { + struct roff_node *n; + int ic; - if (n->args && 1 == n->args->argc) - if (MDOC_Std == n->args->argv[0].arg) - return(1); + n = mdoc->last->next; + for (ic = 1;; ic++) { + roff_elem_alloc(mdoc, n->line, n->pos, tok); + mdoc->last->flags |= NODE_NOSRC; + roff_node_relink(mdoc, n); + n = mdoc->last = mdoc->last->parent; + mdoc->next = ROFF_NEXT_SIBLING; + if (n->next == NULL) + return ic; + if (ic > 1 || n->next->next != NULL) { + roff_word_alloc(mdoc, n->line, n->pos, ","); + mdoc->last->flags |= NODE_DELIMC | NODE_NOSRC; + } + n = mdoc->last->next; + if (n->next == NULL) { + roff_word_alloc(mdoc, n->line, n->pos, "and"); + mdoc->last->flags |= NODE_NOSRC; + } + } +} - mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); - return(1); +static void +post_ex(POST_ARGS) +{ + struct roff_node *n; + int ic; + + post_std(mdoc); + + n = mdoc->last; + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, "The"); + mdoc->last->flags |= NODE_NOSRC; + + if (mdoc->last->next != NULL) + ic = build_list(mdoc, MDOC_Nm); + else if (mdoc->meta.name != NULL) { + roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Nm); + mdoc->last->flags |= NODE_NOSRC; + roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = mdoc->last->parent; + mdoc->next = ROFF_NEXT_SIBLING; + ic = 1; + } else { + mandoc_msg(MANDOCERR_EX_NONAME, n->line, n->pos, "Ex"); + ic = 0; + } + + roff_word_alloc(mdoc, n->line, n->pos, + ic > 1 ? "utilities exit\\~0" : "utility exits\\~0"); + mdoc->last->flags |= NODE_NOSRC; + roff_word_alloc(mdoc, n->line, n->pos, + "on success, and\\~>0 if an error occurs."); + mdoc->last->flags |= NODE_EOS | NODE_NOSRC; + mdoc->last = n; } -static int -pre_obsolete(PRE_ARGS) +static void +post_lb(POST_ARGS) { + struct roff_node *n; + const char *p; - if (MDOC_ELEM == n->type || MDOC_BLOCK == n->type) - mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); - return(1); + post_delim_nb(mdoc); + + n = mdoc->last; + assert(n->child->type == ROFFT_TEXT); + mdoc->next = ROFF_NEXT_CHILD; + + if ((p = mdoc_a2lib(n->child->string)) != NULL) { + n->child->flags |= NODE_NOPRT; + roff_word_alloc(mdoc, n->line, n->pos, p); + mdoc->last->flags = NODE_NOSRC; + mdoc->last = n; + return; + } + + mandoc_msg(MANDOCERR_LB_BAD, n->child->line, + n->child->pos, "Lb %s", n->child->string); + + roff_word_alloc(mdoc, n->line, n->pos, "library"); + mdoc->last->flags = NODE_NOSRC; + roff_word_alloc(mdoc, n->line, n->pos, "\\(lq"); + mdoc->last->flags = NODE_DELIMO | NODE_NOSRC; + mdoc->last = mdoc->last->next; + roff_word_alloc(mdoc, n->line, n->pos, "\\(rq"); + mdoc->last->flags = NODE_DELIMC | NODE_NOSRC; + mdoc->last = n; } -static int -pre_dt(PRE_ARGS) +static void +post_rv(POST_ARGS) { + struct roff_node *n; + int ic; - if (NULL == mdoc->meta.date || mdoc->meta.os) - mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, - n->line, n->pos, "Dt"); + post_std(mdoc); - if (mdoc->meta.title) - mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, - n->line, n->pos, "Dt"); + n = mdoc->last; + mdoc->next = ROFF_NEXT_CHILD; + if (n->child != NULL) { + roff_word_alloc(mdoc, n->line, n->pos, "The"); + mdoc->last->flags |= NODE_NOSRC; + ic = build_list(mdoc, MDOC_Fn); + roff_word_alloc(mdoc, n->line, n->pos, + ic > 1 ? "functions return" : "function returns"); + mdoc->last->flags |= NODE_NOSRC; + roff_word_alloc(mdoc, n->line, n->pos, + "the value\\~0 if successful;"); + } else + roff_word_alloc(mdoc, n->line, n->pos, "Upon successful " + "completion, the value\\~0 is returned;"); + mdoc->last->flags |= NODE_NOSRC; - return(1); + roff_word_alloc(mdoc, n->line, n->pos, "otherwise " + "the value\\~\\-1 is returned and the global variable"); + mdoc->last->flags |= NODE_NOSRC; + roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Va); + mdoc->last->flags |= NODE_NOSRC; + roff_word_alloc(mdoc, n->line, n->pos, "errno"); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = mdoc->last->parent; + mdoc->next = ROFF_NEXT_SIBLING; + roff_word_alloc(mdoc, n->line, n->pos, + "is set to indicate the error."); + mdoc->last->flags |= NODE_EOS | NODE_NOSRC; + mdoc->last = n; } -static int -pre_os(PRE_ARGS) +static void +post_std(POST_ARGS) { + struct roff_node *n; - if (NULL == mdoc->meta.title || NULL == mdoc->meta.date) - mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, - n->line, n->pos, "Os"); + post_delim(mdoc); - if (mdoc->meta.os) - mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, - n->line, n->pos, "Os"); + n = mdoc->last; + if (n->args && n->args->argc == 1) + if (n->args->argv[0].arg == MDOC_Std) + return; - return(1); + mandoc_msg(MANDOCERR_ARG_STD, n->line, n->pos, + "%s", roff_name[n->tok]); } -static int -pre_dd(PRE_ARGS) +static void +post_st(POST_ARGS) { + struct roff_node *n, *nch; + const char *p; - if (mdoc->meta.title || mdoc->meta.os) - mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, - n->line, n->pos, "Dd"); + n = mdoc->last; + nch = n->child; + assert(nch->type == ROFFT_TEXT); - if (mdoc->meta.date) - mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, - n->line, n->pos, "Dd"); + if ((p = mdoc_a2st(nch->string)) == NULL) { + mandoc_msg(MANDOCERR_ST_BAD, + nch->line, nch->pos, "St %s", nch->string); + roff_node_delete(mdoc, n); + return; + } - return(1); + nch->flags |= NODE_NOPRT; + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, nch->line, nch->pos, p); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last= n; } -static int +static void +post_obsolete(POST_ARGS) +{ + struct roff_node *n; + + n = mdoc->last; + if (n->type == ROFFT_ELEM || n->type == ROFFT_BLOCK) + mandoc_msg(MANDOCERR_MACRO_OBS, n->line, n->pos, + "%s", roff_name[n->tok]); +} + +static void +post_useless(POST_ARGS) +{ + struct roff_node *n; + + n = mdoc->last; + mandoc_msg(MANDOCERR_MACRO_USELESS, n->line, n->pos, + "%s", roff_name[n->tok]); +} + +/* + * Block macros. + */ + +static void post_bf(POST_ARGS) { - struct mdoc_node *np, *nch; - enum mdocargt arg; + struct roff_node *np, *nch; /* * Unlike other data pointers, these are "housed" by the HEAD * element, which contains the goods. */ - 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; - - assert(np); - assert(MDOC_HEAD == np->type); - assert(MDOC_Bf == np->tok); - return(1); - } - np = mdoc->last; - assert(MDOC_BLOCK == np->parent->type); - assert(MDOC_Bf == np->parent->tok); + if (np->type != ROFFT_HEAD) + return; + assert(np->parent->type == ROFFT_BLOCK); + assert(np->parent->tok == MDOC_Bf); + /* Check the number of arguments. */ nch = np->child; - if (NULL == np->parent->args) { - if (NULL == nch) { - mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse, + if (np->parent->args == NULL) { + if (nch == NULL) { + mandoc_msg(MANDOCERR_BF_NOFONT, np->line, np->pos, "Bf"); - return(1); + return; } nch = nch->next; } - if (NULL != nch) - mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, + if (nch != NULL) + mandoc_msg(MANDOCERR_ARG_EXCESS, nch->line, nch->pos, "Bf ... %s", nch->string); /* Extract argument into data. */ - if (np->parent->args) { - arg = np->parent->args->argv[0].arg; - if (MDOC_Emphasis == arg) + if (np->parent->args != NULL) { + switch (np->parent->args->argv[0].arg) { + case MDOC_Emphasis: np->norm->Bf.font = FONT_Em; - else if (MDOC_Literal == arg) + break; + case MDOC_Literal: np->norm->Bf.font = FONT_Li; - else if (MDOC_Symbolic == arg) + break; + case MDOC_Symbolic: np->norm->Bf.font = FONT_Sy; - else + break; + default: abort(); - return(1); + } + return; } /* Extract parameter into data. */ - if (0 == strcmp(np->child->string, "Em")) + if ( ! strcmp(np->child->string, "Em")) np->norm->Bf.font = FONT_Em; - else if (0 == strcmp(np->child->string, "Li")) + else if ( ! strcmp(np->child->string, "Li")) np->norm->Bf.font = FONT_Li; - else if (0 == strcmp(np->child->string, "Sy")) + 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); - - return(1); + mandoc_msg(MANDOCERR_BF_BADFONT, np->child->line, + np->child->pos, "Bf %s", np->child->string); } -static int -post_lb(POST_ARGS) +static void +post_fname(POST_ARGS) { - struct mdoc_node *n; - const char *stdlibname; - char *libname; + const struct roff_node *n; + const char *cp; + size_t pos; - check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 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, n->line, n->pos + pos, + "%s", n->string); +} - assert(n); - assert(MDOC_TEXT == n->type); +static void +post_fn(POST_ARGS) +{ - if (NULL == (stdlibname = mdoc_a2lib(n->string))) - mandoc_asprintf(&libname, - "library \\(lq%s\\(rq", n->string); - else - libname = mandoc_strdup(stdlibname); - - free(n->string); - n->string = libname; - return(1); + post_fname(mdoc); + post_fa(mdoc); } -static int -post_eoln(POST_ARGS) +static void +post_fo(POST_ARGS) { - const struct mdoc_node *n; + const struct roff_node *n; n = mdoc->last; - if (n->child) - mandoc_vmsg(MANDOCERR_ARG_SKIP, - mdoc->parse, n->line, n->pos, - "%s %s", mdoc_macronames[n->tok], - n->child->string); - return(1); -} -static int -post_vt(POST_ARGS) -{ - const struct mdoc_node *n; + if (n->type != ROFFT_HEAD) + return; - /* - * 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, which is already - * guaranteed by the in_line parsing routine; BLOCK types, - * specifically the BODY, should only have TEXT children. - */ + if (n->child == NULL) { + mandoc_msg(MANDOCERR_FO_NOHEAD, n->line, n->pos, "Fo"); + return; + } + if (n->child != n->last) { + mandoc_msg(MANDOCERR_ARG_EXCESS, + 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); + } else + post_delim(mdoc); - if (MDOC_BODY != mdoc->last->type) - return(1); + post_fname(mdoc); +} - for (n = mdoc->last->child; n; n = n->next) - if (MDOC_TEXT != n->type) - mandoc_msg(MANDOCERR_VT_CHILD, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); +static void +post_fa(POST_ARGS) +{ + const struct roff_node *n; + const char *cp; - return(1); + 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, n->line, + n->pos + (int)(cp - n->string), "%s", n->string); + break; + } + } + post_delim_nb(mdoc); } -static int +static void post_nm(POST_ARGS) { + struct roff_node *n; - if (NULL != mdoc->meta.name) - return(1); + n = mdoc->last; - mdoc_deroff(&mdoc->meta.name, mdoc->last); + if (n->sec == SEC_NAME && n->child != NULL && + n->child->type == ROFFT_TEXT && mdoc->meta.msec != NULL) + mandoc_xr_add(mdoc->meta.msec, n->child->string, -1, -1); - if (NULL == mdoc->meta.name) - mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse, - mdoc->last->line, mdoc->last->pos, "Nm"); - return(1); + if (n->last != NULL && n->last->tok == MDOC_Pp) + roff_node_relink(mdoc, n->last); + + if (mdoc->meta.name == NULL) + deroff(&mdoc->meta.name, n); + + if (mdoc->meta.name == NULL || + (mdoc->lastsec == SEC_NAME && n->child == NULL)) + mandoc_msg(MANDOCERR_NM_NONAME, n->line, n->pos, "Nm"); + + switch (n->type) { + case ROFFT_ELEM: + post_delim_nb(mdoc); + break; + case ROFFT_HEAD: + post_delim(mdoc); + break; + default: + return; + } + + if ((n->child != NULL && n->child->type == ROFFT_TEXT) || + mdoc->meta.name == NULL) + return; + + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = n; } -static int -post_literal(POST_ARGS) +static void +post_nd(POST_ARGS) { + struct roff_node *n; - /* - * The `Dl' (note "el" not "one") and `Bd' macros unset the - * MDOC_LITERAL flag as they leave. Note that `Bd' only sets - * this in literal mode, but it doesn't hurt to just switch it - * off in general since displays can't be nested. - */ + n = mdoc->last; - if (MDOC_BODY == mdoc->last->type) - mdoc->flags &= ~MDOC_LITERAL; + if (n->type != ROFFT_BODY) + return; - return(1); + if (n->sec != SEC_NAME) + mandoc_msg(MANDOCERR_ND_LATE, n->line, n->pos, "Nd"); + + if (n->child == NULL) + mandoc_msg(MANDOCERR_ND_EMPTY, n->line, n->pos, "Nd"); + else + post_delim(mdoc); + + post_hyph(mdoc); } -static int +static void +post_display(POST_ARGS) +{ + struct roff_node *n, *np; + + n = mdoc->last; + switch (n->type) { + case ROFFT_BODY: + if (n->end != ENDBODY_NOT) { + if (n->tok == MDOC_Bd && + n->body->parent->args == NULL) + roff_node_delete(mdoc, n); + } else if (n->child == NULL) + mandoc_msg(MANDOCERR_BLK_EMPTY, n->line, n->pos, + "%s", roff_name[n->tok]); + else if (n->tok == MDOC_D1) + post_hyph(mdoc); + break; + case ROFFT_BLOCK: + if (n->tok == MDOC_Bd) { + if (n->args == NULL) { + mandoc_msg(MANDOCERR_BD_NOARG, + n->line, n->pos, "Bd"); + mdoc->next = ROFF_NEXT_SIBLING; + while (n->body->child != NULL) + roff_node_relink(mdoc, + n->body->child); + roff_node_delete(mdoc, n); + break; + } + post_bd(mdoc); + post_prevpar(mdoc); + } + for (np = n->parent; np != NULL; np = np->parent) { + if (np->type == ROFFT_BLOCK && np->tok == MDOC_Bd) { + mandoc_msg(MANDOCERR_BD_NEST, n->line, + n->pos, "%s in Bd", roff_name[n->tok]); + break; + } + } + break; + default: + break; + } +} + +static void post_defaults(POST_ARGS) { - struct mdoc_node *nn; + struct roff_node *nn; + if (mdoc->last->child != NULL) { + post_delim_nb(mdoc); + return; + } + /* * 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->last->child) - return(1); - nn = mdoc->last; - mdoc->next = MDOC_NEXT_CHILD; - switch (nn->tok) { case MDOC_Ar: - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file")) - return(0); - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "...")) - return(0); + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, nn->line, nn->pos, "file"); + mdoc->last->flags |= NODE_NOSRC; + roff_word_alloc(mdoc, nn->line, nn->pos, "..."); + mdoc->last->flags |= NODE_NOSRC; break; - case MDOC_At: - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T")) - return(0); - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX")) - return(0); - break; - case MDOC_Li: - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "")) - return(0); - break; case MDOC_Pa: - /* FALLTHROUGH */ case MDOC_Mt: - if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~")) - return(0); + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, nn->line, nn->pos, "~"); + mdoc->last->flags |= NODE_NOSRC; break; default: abort(); - /* NOTREACHED */ } - mdoc->last = nn; - return(1); } -static int +static void post_at(POST_ARGS) { - struct mdoc_node *n; - const char *std_att; - char *att; + struct roff_node *n, *nch; + const char *att; + n = mdoc->last; + nch = n->child; + /* * 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. */ - if (NULL == (n = mdoc->last->child)) - return(1); + att = NULL; + if (nch != NULL && ((att = mdoc_a2att(nch->string)) == NULL)) + mandoc_msg(MANDOCERR_AT_BAD, + nch->line, nch->pos, "At %s", nch->string); - assert(MDOC_TEXT == n->type); - if (NULL == (std_att = mdoc_a2att(n->string))) { - mandoc_vmsg(MANDOCERR_AT_BAD, mdoc->parse, - n->line, n->pos, "At %s", n->string); - mandoc_asprintf(&att, "AT&T UNIX %s", n->string); + mdoc->next = ROFF_NEXT_CHILD; + if (att != NULL) { + roff_word_alloc(mdoc, nch->line, nch->pos, att); + nch->flags |= NODE_NOPRT; } else - att = mandoc_strdup(std_att); - - free(n->string); - n->string = att; - return(1); + roff_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX"); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = n; } -static int +static void post_an(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *np, *nch; - np = mdoc->last; - if (AUTH__NONE == np->norm->An.auth) { - if (0 == np->child) - check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0); - } else if (np->child) - check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0); + post_an_norm(mdoc); - return(1); + np = mdoc->last; + nch = np->child; + if (np->norm->An.auth == AUTH__NONE) { + if (nch == NULL) + mandoc_msg(MANDOCERR_MACRO_EMPTY, + np->line, np->pos, "An"); + else + post_delim_nb(mdoc); + } else if (nch != NULL) + mandoc_msg(MANDOCERR_ARG_EXCESS, + nch->line, nch->pos, "An ... %s", nch->string); } -static int +static void post_en(POST_ARGS) { - if (MDOC_BLOCK == mdoc->last->type) + post_obsolete(mdoc); + if (mdoc->last->type == ROFFT_BLOCK) mdoc->last->norm->Es = mdoc->last_es; - return(1); } -static int +static void post_es(POST_ARGS) { + post_obsolete(mdoc); mdoc->last_es = mdoc->last; - return(1); } -static int +static void +post_xx(POST_ARGS) +{ + struct roff_node *n; + const char *os; + char *v; + + post_delim_nb(mdoc); + + n = mdoc->last; + switch (n->tok) { + case MDOC_Bsx: + os = "BSD/OS"; + break; + case MDOC_Dx: + os = "DragonFly"; + break; + case MDOC_Fx: + os = "FreeBSD"; + break; + case MDOC_Nx: + os = "NetBSD"; + if (n->child == NULL) + break; + v = n->child->string; + if ((v[0] != '0' && v[0] != '1') || v[1] != '.' || + v[2] < '0' || v[2] > '9' || + v[3] < 'a' || v[3] > 'z' || v[4] != '\0') + break; + n->child->flags |= NODE_NOPRT; + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->child->line, n->child->pos, v); + v = mdoc->last->string; + v[3] = toupper((unsigned char)v[3]); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = n; + break; + case MDOC_Ox: + os = "OpenBSD"; + break; + case MDOC_Ux: + os = "UNIX"; + break; + default: + abort(); + } + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, os); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = n; +} + +static void post_it(POST_ARGS) { + struct roff_node *nbl, *nit, *nch; int i, cols; enum mdoc_list lt; - struct mdoc_node *nbl, *nit, *nch; + post_prevpar(mdoc); + nit = mdoc->last; - if (MDOC_BLOCK != nit->type) - return(1); + if (nit->type != ROFFT_BLOCK) + return; nbl = nit->parent->parent; lt = nbl->norm->Bl.type; switch (lt) { case LIST_tag: - /* FALLTHROUGH */ case LIST_hang: - /* FALLTHROUGH */ case LIST_ohang: - /* FALLTHROUGH */ case LIST_inset: - /* FALLTHROUGH */ case LIST_diag: - if (NULL == nit->head->child) - mandoc_vmsg(MANDOCERR_IT_NOHEAD, - mdoc->parse, nit->line, nit->pos, - "Bl -%s It", + if (nit->head->child == NULL) + mandoc_msg(MANDOCERR_IT_NOHEAD, + nit->line, nit->pos, "Bl -%s It", mdoc_argnames[nbl->args->argv[0].arg]); break; case LIST_bullet: - /* FALLTHROUGH */ case LIST_dash: - /* FALLTHROUGH */ case LIST_enum: - /* FALLTHROUGH */ case LIST_hyphen: - if (NULL == nit->body->child) - mandoc_vmsg(MANDOCERR_IT_NOBODY, - mdoc->parse, nit->line, nit->pos, - "Bl -%s It", + if (nit->body == NULL || nit->body->child == NULL) + mandoc_msg(MANDOCERR_IT_NOBODY, + nit->line, nit->pos, "Bl -%s It", mdoc_argnames[nbl->args->argv[0].arg]); /* FALLTHROUGH */ case LIST_item: - if (NULL != nit->head->child) - mandoc_vmsg(MANDOCERR_ARG_SKIP, - mdoc->parse, nit->line, nit->pos, - "It %s", nit->head->child->string); + if ((nch = nit->head->child) != NULL) + mandoc_msg(MANDOCERR_ARG_SKIP, + nit->line, nit->pos, "It %s", + nch->string == NULL ? roff_name[nch->tok] : + nch->string); break; case LIST_column: cols = (int)nbl->norm->Bl.ncols; - assert(NULL == nit->head->child); + assert(nit->head->child == NULL); - for (i = 0, nch = nit->child; nch; nch = nch->next) - if (MDOC_BODY == nch->type) - i++; + if (nit->head->next->child == NULL && + nit->head->next->next == NULL) { + mandoc_msg(MANDOCERR_MACRO_EMPTY, + nit->line, nit->pos, "It"); + roff_node_delete(mdoc, nit); + break; + } + i = 0; + for (nch = nit->child; nch != NULL; nch = nch->next) { + if (nch->type != ROFFT_BODY) + continue; + if (i++ && nch->flags & NODE_LINE) + mandoc_msg(MANDOCERR_TA_LINE, + nch->line, nch->pos, "Ta"); + } if (i < cols || i > cols + 1) - mandoc_vmsg(MANDOCERR_ARGCOUNT, - mdoc->parse, nit->line, nit->pos, - "columns == %d (have %d)", cols, i); + mandoc_msg(MANDOCERR_BL_COL, nit->line, nit->pos, + "%d columns, %d cells", cols, i); + else if (nit->head->next->child != NULL && + nit->head->next->child->line > nit->line) + mandoc_msg(MANDOCERR_IT_NOARG, + nit->line, nit->pos, "Bl -column It"); break; default: abort(); } - - return(1); } -static int +static void post_bl_block(POST_ARGS) { - struct mdoc_node *n, *ni, *nc; + struct roff_node *n, *ni, *nc; - /* - * 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). - */ + post_prevpar(mdoc); n = mdoc->last; - - if (LIST_tag == n->norm->Bl.type && - NULL == n->norm->Bl.width) { - if ( ! post_bl_block_tag(mdoc)) - return(0); - assert(n->norm->Bl.width); - } else if (NULL != n->norm->Bl.width) { - if ( ! post_bl_block_width(mdoc)) - return(0); - assert(n->norm->Bl.width); - } - - for (ni = n->body->child; ni; ni = ni->next) { - if (NULL == ni->body) + for (ni = n->body->child; ni != NULL; ni = ni->next) { + if (ni->body == NULL) continue; nc = ni->body->last; - while (NULL != nc) { + while (nc != NULL) { switch (nc->tok) { case MDOC_Pp: - /* FALLTHROUGH */ - case MDOC_Lp: - /* FALLTHROUGH */ - case MDOC_br: + case ROFF_br: break; default: nc = NULL; continue; } - if (NULL == ni->next) { - mandoc_msg(MANDOCERR_PAR_MOVE, - mdoc->parse, nc->line, nc->pos, - mdoc_macronames[nc->tok]); - if ( ! mdoc_node_relink(mdoc, nc)) - return(0); - } else if (0 == n->norm->Bl.comp && - LIST_column != n->norm->Bl.type) { - mandoc_vmsg(MANDOCERR_PAR_SKIP, - mdoc->parse, nc->line, nc->pos, - "%s before It", - mdoc_macronames[nc->tok]); - mdoc_node_delete(mdoc, nc); + if (ni->next == NULL) { + mandoc_msg(MANDOCERR_PAR_MOVE, nc->line, + nc->pos, "%s", roff_name[nc->tok]); + roff_node_relink(mdoc, nc); + } else if (n->norm->Bl.comp == 0 && + n->norm->Bl.type != LIST_column) { + mandoc_msg(MANDOCERR_PAR_SKIP, + nc->line, nc->pos, + "%s before It", roff_name[nc->tok]); + roff_node_delete(mdoc, nc); } else break; nc = ni->body->last; } } - return(1); } -static int -post_bl_block_width(POST_ARGS) +/* + * If the argument of -offset or -width is a macro, + * replace it with the associated default width. + */ +static void +rewrite_macro2len(struct roff_man *mdoc, char **arg) { size_t width; - int i; - enum mdoct tok; - struct mdoc_node *n; - char buf[24]; + enum roff_tok tok; - n = mdoc->last; - - /* - * Calculate the real width of a list from the -width string, - * which may contain a macro (with a known default width), a - * literal string, or a scaling width. - * - * If the value to -width is a macro, then we re-write it to be - * the macro's width as set in share/tmac/mdoc/doc-common. - */ - - if (0 == strcmp(n->norm->Bl.width, "Ds")) + if (*arg == NULL) + return; + else if ( ! strcmp(*arg, "Ds")) width = 6; - else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width))) - return(1); + else if ((tok = roffhash_find(mdoc->mdocmac, *arg, 0)) == TOKEN_NONE) + return; else width = macro2len(tok); - /* The value already exists: free and reallocate it. */ - - assert(n->args); - - for (i = 0; i < (int)n->args->argc; i++) - if (MDOC_Width == n->args->argv[i].arg) - break; - - assert(i < (int)n->args->argc); - - (void)snprintf(buf, sizeof(buf), "%un", (unsigned int)width); - free(n->args->argv[i].value[0]); - n->args->argv[i].value[0] = mandoc_strdup(buf); - - /* Set our width! */ - n->norm->Bl.width = n->args->argv[i].value[0]; - return(1); + free(*arg); + mandoc_asprintf(arg, "%zun", width); } -static int -post_bl_block_tag(POST_ARGS) +static void +post_bl_head(POST_ARGS) { - struct mdoc_node *n, *nn; - size_t sz, ssz; - int i; - char buf[24]; + struct roff_node *nbl, *nh, *nch, *nnext; + struct mdoc_argv *argv; + int i, j; - /* - * 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 - * post_bl_block_width() for converting the -width string. - */ + post_bl_norm(mdoc); - sz = 10; - n = mdoc->last; - - for (nn = n->body->child; nn; nn = nn->next) { - if (MDOC_It != nn->tok) - continue; - - assert(MDOC_BLOCK == nn->type); - nn = nn->head->child; - - if (nn == NULL) - break; - - if (MDOC_TEXT == nn->type) { - sz = strlen(nn->string) + 1; - break; + nh = mdoc->last; + if (nh->norm->Bl.type != LIST_column) { + if ((nch = nh->child) == NULL) + return; + mandoc_msg(MANDOCERR_ARG_EXCESS, + nch->line, nch->pos, "Bl ... %s", nch->string); + while (nch != NULL) { + roff_node_delete(mdoc, nch); + nch = nh->child; } - - if (0 != (ssz = macro2len(nn->tok))) - sz = ssz; - - break; + return; } - /* Defaults to ten ens. */ - - (void)snprintf(buf, sizeof(buf), "%un", (unsigned int)sz); - /* - * 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); - 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]; - return(1); -} - -static int -post_bl_head(POST_ARGS) -{ - struct mdoc_node *np, *nn, *nnp; - struct mdoc_argv *argv; - int i, j; - - if (LIST_column != mdoc->last->norm->Bl.type) - /* FIXME: this 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 (mdoc->last->child == NULL) - return(1); + if (nh->child == NULL) + return; - np = mdoc->last->parent; - assert(np->args); - - for (j = 0; j < (int)np->args->argc; j++) - if (MDOC_Column == np->args->argv[j].arg) + nbl = nh->parent; + for (j = 0; j < (int)nbl->args->argc; j++) + if (nbl->args->argv[j].arg == MDOC_Column) break; - assert(j < (int)np->args->argc); + assert(j < (int)nbl->args->argc); /* * Accommodate for new-style groff column syntax. Shuffle the @@ -1482,59 +1697,98 @@ post_bl_head(POST_ARGS) * column field. Then, delete the head children. */ - argv = np->args->argv + j; + argv = nbl->args->argv + j; i = argv->sz; - argv->sz += mdoc->last->nchild; + for (nch = nh->child; nch != NULL; nch = nch->next) + argv->sz++; argv->value = mandoc_reallocarray(argv->value, argv->sz, sizeof(char *)); - mdoc->last->norm->Bl.ncols = argv->sz; - mdoc->last->norm->Bl.cols = (void *)argv->value; + nh->norm->Bl.ncols = argv->sz; + nh->norm->Bl.cols = (void *)argv->value; - for (nn = mdoc->last->child; nn; i++) { - argv->value[i] = nn->string; - nn->string = NULL; - nnp = nn; - nn = nn->next; - mdoc_node_delete(NULL, nnp); + for (nch = nh->child; nch != NULL; nch = nnext) { + argv->value[i++] = nch->string; + nch->string = NULL; + nnext = nch->next; + roff_node_delete(NULL, nch); } - - mdoc->last->nchild = 0; - mdoc->last->child = NULL; - - return(1); + nh->child = NULL; } -static int +static void post_bl(POST_ARGS) { - struct mdoc_node *nparent, *nprev; /* of the Bl block */ - struct mdoc_node *nblock, *nbody; /* of the Bl */ - struct mdoc_node *nchild, *nnext; /* of the Bl body */ + 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 */ + const char *prev_Er; + int order; nbody = mdoc->last; switch (nbody->type) { - case MDOC_BLOCK: - return(post_bl_block(mdoc)); - case MDOC_HEAD: - return(post_bl_head(mdoc)); - case MDOC_BODY: + case ROFFT_BLOCK: + post_bl_block(mdoc); + return; + case ROFFT_HEAD: + post_bl_head(mdoc); + return; + case ROFFT_BODY: break; default: - return(1); + return; } + if (nbody->end != ENDBODY_NOT) + return; nchild = nbody->child; - while (NULL != nchild) { - if (MDOC_It == nchild->tok || MDOC_Sm == nchild->tok) { - nchild = nchild->next; + if (nchild == NULL) { + mandoc_msg(MANDOCERR_BLK_EMPTY, + nbody->line, nbody->pos, "Bl"); + return; + } + while (nchild != NULL) { + nnext = nchild->next; + if (nchild->tok == MDOC_It || + (nchild->tok == MDOC_Sm && + nnext != NULL && nnext->tok == MDOC_It)) { + nchild = nnext; continue; } - mandoc_msg(MANDOCERR_BL_MOVE, mdoc->parse, - nchild->line, nchild->pos, - mdoc_macronames[nchild->tok]); + /* + * In .Bl -column, the first rows may be implicit, + * that is, they may not start with .It macros. + * Such rows may be followed by nodes generated on the + * roff level, for example .TS, which cannot be moved + * out of the list. In that case, wrap such roff nodes + * into an implicit row. + */ + if (nchild->prev != NULL) { + mdoc->last = nchild; + mdoc->next = ROFF_NEXT_SIBLING; + roff_block_alloc(mdoc, nchild->line, + nchild->pos, MDOC_It); + roff_head_alloc(mdoc, nchild->line, + nchild->pos, MDOC_It); + mdoc->next = ROFF_NEXT_SIBLING; + roff_body_alloc(mdoc, nchild->line, + nchild->pos, MDOC_It); + while (nchild->tok != MDOC_It) { + roff_node_relink(mdoc, nchild); + if ((nchild = nnext) == NULL) + break; + nnext = nchild->next; + mdoc->next = ROFF_NEXT_SIBLING; + } + mdoc->last = nbody; + continue; + } + + mandoc_msg(MANDOCERR_BL_MOVE, nchild->line, nchild->pos, + "%s", roff_name[nchild->tok]); + /* * Move the node out of the Bl block. * First, collect all required node pointers. @@ -1543,21 +1797,16 @@ post_bl(POST_ARGS) nblock = nbody->parent; nprev = nblock->prev; nparent = nblock->parent; - nnext = nchild->next; /* * Unlink this child. */ - assert(NULL == nchild->prev); - if (0 == --nbody->nchild) { - nbody->child = NULL; + nbody->child = nnext; + if (nnext == NULL) nbody->last = NULL; - assert(NULL == nnext); - } else { - nbody->child = nnext; + else nnext->prev = NULL; - } /* * Relink this child. @@ -1568,8 +1817,7 @@ post_bl(POST_ARGS) nchild->next = nblock; nblock->prev = nchild; - nparent->nchild++; - if (NULL == nprev) + if (nprev == NULL) nparent->child = nchild; else nprev->next = nchild; @@ -1577,131 +1825,177 @@ post_bl(POST_ARGS) nchild = nnext; } - return(1); + if (mdoc->meta.os_e != MANDOC_OS_NETBSD) + return; + + prev_Er = NULL; + for (nchild = nbody->child; nchild != NULL; nchild = nchild->next) { + if (nchild->tok != MDOC_It) + continue; + if ((nnext = nchild->head->child) == NULL) + continue; + if (nnext->type == ROFFT_BLOCK) + nnext = nnext->body->child; + if (nnext == NULL || nnext->tok != MDOC_Er) + continue; + nnext = nnext->child; + if (prev_Er != NULL) { + order = strcmp(prev_Er, nnext->string); + if (order > 0) + mandoc_msg(MANDOCERR_ER_ORDER, + nnext->line, nnext->pos, + "Er %s %s (NetBSD)", + prev_Er, nnext->string); + else if (order == 0) + mandoc_msg(MANDOCERR_ER_REP, + nnext->line, nnext->pos, + "Er %s (NetBSD)", prev_Er); + } + prev_Er = nnext->string; + } } -static int -ebool(struct mdoc *mdoc) +static void +post_bk(POST_ARGS) { - struct mdoc_node *nch; - enum mdoct tok; + struct roff_node *n; - tok = mdoc->last->tok; - nch = mdoc->last->child; + n = mdoc->last; - if (NULL == nch) { - if (MDOC_Sm == tok) - mdoc->flags ^= MDOC_SMOFF; - return(1); + if (n->type == ROFFT_BLOCK && n->body->child == NULL) { + mandoc_msg(MANDOCERR_BLK_EMPTY, n->line, n->pos, "Bk"); + roff_node_delete(mdoc, n); } +} - check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2); +static void +post_sm(POST_ARGS) +{ + struct roff_node *nch; - assert(MDOC_TEXT == nch->type); + nch = mdoc->last->child; - if (0 == strcmp(nch->string, "on")) { - if (MDOC_Sm == tok) - mdoc->flags &= ~MDOC_SMOFF; - return(1); + if (nch == NULL) { + mdoc->flags ^= MDOC_SMOFF; + return; } - if (0 == strcmp(nch->string, "off")) { - if (MDOC_Sm == tok) - mdoc->flags |= MDOC_SMOFF; - return(1); + + 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[tok], nch->string); - return(mdoc_node_relink(mdoc, nch)); + mandoc_msg(MANDOCERR_SM_BAD, nch->line, nch->pos, + "%s %s", roff_name[mdoc->last->tok], nch->string); + roff_node_relink(mdoc, nch); + return; } -static int +static void post_root(POST_ARGS) { - struct mdoc_node *n; + const char *openbsd_arch[] = { + "alpha", "amd64", "arm64", "armv7", "hppa", "i386", + "landisk", "loongson", "luna88k", "macppc", "mips64", + "octeon", "sgi", "socppc", "sparc64", NULL + }; + const char *netbsd_arch[] = { + "acorn26", "acorn32", "algor", "alpha", "amiga", + "arc", "atari", + "bebox", "cats", "cesfic", "cobalt", "dreamcast", + "emips", "evbarm", "evbmips", "evbppc", "evbsh3", "evbsh5", + "hp300", "hpcarm", "hpcmips", "hpcsh", "hppa", + "i386", "ibmnws", "luna68k", + "mac68k", "macppc", "mipsco", "mmeye", "mvme68k", "mvmeppc", + "netwinder", "news68k", "newsmips", "next68k", + "pc532", "playstation2", "pmax", "pmppc", "prep", + "sandpoint", "sbmips", "sgimips", "shark", + "sparc", "sparc64", "sun2", "sun3", + "vax", "walnut", "x68k", "x86", "x86_64", "xen", NULL + }; + const char **arches[] = { NULL, netbsd_arch, openbsd_arch }; + struct roff_node *n; + const char **arch; + /* Add missing prologue data. */ - if ( ! (MDOC_PBODY & mdoc->flags)) { - mandoc_msg(MANDOCERR_PROLOG_BAD, mdoc->parse, 0, 0, "EOF"); - if (mdoc->meta.date == NULL) - mdoc->meta.date = mdoc->quick ? - mandoc_strdup("") : - mandoc_normdate(mdoc->parse, NULL, 0, 0); - if (mdoc->meta.title == NULL) - mdoc->meta.title = mandoc_strdup("UNKNOWN"); - if (mdoc->meta.vol == NULL) - mdoc->meta.vol = mandoc_strdup("LOCAL"); - if (mdoc->meta.arch == NULL) - mdoc->meta.msec = mandoc_strdup("1"); - if (mdoc->meta.os == NULL) - mdoc->meta.os = mandoc_strdup("UNKNOWN"); + if (mdoc->meta.date == NULL) + mdoc->meta.date = mdoc->quick ? mandoc_strdup("") : + mandoc_normdate(mdoc, NULL, 0, 0); + + if (mdoc->meta.title == NULL) { + mandoc_msg(MANDOCERR_DT_NOTITLE, 0, 0, "EOF"); + mdoc->meta.title = mandoc_strdup("UNTITLED"); } - n = mdoc->first; - assert(n); + if (mdoc->meta.vol == NULL) + mdoc->meta.vol = mandoc_strdup("LOCAL"); - /* Check that we begin with a proper `Sh'. */ + if (mdoc->meta.os == NULL) { + mandoc_msg(MANDOCERR_OS_MISSING, 0, 0, NULL); + mdoc->meta.os = mandoc_strdup(""); + } else if (mdoc->meta.os_e && + (mdoc->meta.rcsids & (1 << mdoc->meta.os_e)) == 0) + mandoc_msg(MANDOCERR_RCS_MISSING, 0, 0, + mdoc->meta.os_e == MANDOC_OS_OPENBSD ? + "(OpenBSD)" : "(NetBSD)"); - if (NULL == n->child) - mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, - n->line, n->pos, NULL); - else if (MDOC_Sh != n->child->tok) - mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse, - n->child->line, n->child->pos, - mdoc_macronames[n->child->tok]); - - return(1); -} - -static int -post_st(POST_ARGS) -{ - struct mdoc_node *n, *nch; - const char *p; - - n = mdoc->last; - nch = n->child; - - if (NULL == nch) { - mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); - mdoc_node_delete(mdoc, n); - return(1); + if (mdoc->meta.arch != NULL && + (arch = arches[mdoc->meta.os_e]) != NULL) { + while (*arch != NULL && strcmp(*arch, mdoc->meta.arch)) + arch++; + if (*arch == NULL) { + n = mdoc->meta.first->child; + while (n->tok != MDOC_Dt || + n->child == NULL || + n->child->next == NULL || + n->child->next->next == NULL) + n = n->next; + n = n->child->next->next; + mandoc_msg(MANDOCERR_ARCH_BAD, n->line, n->pos, + "Dt ... %s %s", mdoc->meta.arch, + mdoc->meta.os_e == MANDOC_OS_OPENBSD ? + "(OpenBSD)" : "(NetBSD)"); + } } - assert(MDOC_TEXT == nch->type); + /* Check that we begin with a proper `Sh'. */ - if (NULL == (p = mdoc_a2st(nch->string))) { - mandoc_vmsg(MANDOCERR_ST_BAD, mdoc->parse, - nch->line, nch->pos, "St %s", nch->string); - mdoc_node_delete(mdoc, n); - } else { - free(nch->string); - nch->string = mandoc_strdup(p); - } + n = mdoc->meta.first->child; + while (n != NULL && + (n->type == ROFFT_COMMENT || + (n->tok >= MDOC_Dd && + mdoc_macro(n->tok)->flags & MDOC_PROLOGUE))) + n = n->next; - return(1); + if (n == NULL) + mandoc_msg(MANDOCERR_DOC_EMPTY, 0, 0, NULL); + else if (n->tok != MDOC_Sh) + mandoc_msg(MANDOCERR_SEC_BEFORE, n->line, n->pos, + "%s", roff_name[n->tok]); } -static int +static void post_rs(POST_ARGS) { - struct mdoc_node *nn, *next, *prev; + struct roff_node *np, *nch, *next, *prev; int i, j; - switch (mdoc->last->type) { - case MDOC_HEAD: - check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0); - return(1); - case MDOC_BODY: - if (mdoc->last->child) - break; - check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0); - return(1); - default: - return(1); + np = mdoc->last; + + if (np->type != ROFFT_BODY) + return; + + if (np->child == NULL) { + mandoc_msg(MANDOCERR_RS_EMPTY, np->line, np->pos, "Rs"); + return; } /* @@ -1711,38 +2005,37 @@ post_rs(POST_ARGS) */ 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; if (i == RSORD_MAX) { - mandoc_msg(MANDOCERR_RS_BAD, - mdoc->parse, nn->line, nn->pos, - mdoc_macronames[nn->tok]); + mandoc_msg(MANDOCERR_RS_BAD, nch->line, nch->pos, + "%s", roff_name[nch->tok]); i = -1; - } else if (MDOC__J == nn->tok || MDOC__B == nn->tok) - mdoc->last->norm->Rs.quote_T++; + } else if (nch->tok == MDOC__J || nch->tok == MDOC__B) + np->norm->Rs.quote_T++; /* - * Remove `nn' from the chain. This somewhat - * repeats mdoc_node_unlink(), but since we're + * 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 ((next = nch->next) != NULL) + next->prev = nch->prev; - if (NULL != (prev = nn->prev)) - prev->next = nn->next; + if ((prev = nch->prev) != NULL) + prev->next = nch->next; - nn->prev = nn->next = NULL; + 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) { @@ -1758,135 +2051,273 @@ post_rs(POST_ARGS) } /* - * 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 int +static void post_hyph(POST_ARGS) { - struct mdoc_node *n, *nch; + struct roff_node *nch; char *cp; - n = mdoc->last; - switch (n->type) { - case MDOC_HEAD: - if (MDOC_Sh == n->tok || MDOC_Ss == n->tok) - break; - return(1); - case MDOC_BODY: - if (MDOC_D1 == n->tok || MDOC_Nd == n->tok) - break; - return(1); - case MDOC_ELEM: - break; - default: - return(1); - } - - for (nch = n->child; nch; nch = nch->next) { - if (MDOC_TEXT != nch->type) + for (nch = mdoc->last->child; nch != NULL; nch = nch->next) { + if (nch->type != ROFFT_TEXT) continue; cp = nch->string; - if ('\0' == *cp) + if (*cp == '\0') continue; - while ('\0' != *(++cp)) - if ('-' == *cp && + while (*(++cp) != '\0') + if (*cp == '-' && isalpha((unsigned char)cp[-1]) && isalpha((unsigned char)cp[1])) *cp = ASCII_HYPH; } - return(1); } -static int +static void post_ns(POST_ARGS) { + struct roff_node *n; - if (MDOC_LINE & mdoc->last->flags) - mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse, - mdoc->last->line, mdoc->last->pos, NULL); - return(1); + n = mdoc->last; + if (n->flags & NODE_LINE || + (n->next != NULL && n->next->flags & NODE_DELIMC)) + mandoc_msg(MANDOCERR_NS_SKIP, n->line, n->pos, NULL); } -static int +static void +post_sx(POST_ARGS) +{ + post_delim(mdoc); + post_hyph(mdoc); +} + +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 int -post_sh_body(POST_ARGS) +static void +post_sh_name(POST_ARGS) { - struct mdoc_node *n; + struct roff_node *n; + int hasnm, hasnd; - if (SEC_NAME != mdoc->lastsec) - return(1); + hasnm = hasnd = 0; - /* - * 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". - */ - - if (NULL == (n = mdoc->last->child)) { - mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse, - mdoc->last->line, mdoc->last->pos, "empty"); - return(1); + for (n = mdoc->last->child; n != NULL; n = n->next) { + switch (n->tok) { + case MDOC_Nm: + if (hasnm && n->child != NULL) + mandoc_msg(MANDOCERR_NAMESEC_PUNCT, + n->line, n->pos, + "Nm %s", n->child->string); + hasnm = 1; + continue; + case MDOC_Nd: + hasnd = 1; + if (n->next != NULL) + mandoc_msg(MANDOCERR_NAMESEC_ND, + n->line, n->pos, NULL); + break; + case TOKEN_NONE: + if (n->type == ROFFT_TEXT && + n->string[0] == ',' && n->string[1] == '\0' && + n->next != NULL && n->next->tok == MDOC_Nm) { + n = n->next; + continue; + } + /* FALLTHROUGH */ + default: + mandoc_msg(MANDOCERR_NAMESEC_BAD, + n->line, n->pos, "%s", roff_name[n->tok]); + continue; + } + break; } - for ( ; n && n->next; n = n->next) { - if (MDOC_ELEM == n->type && MDOC_Nm == n->tok) + if ( ! hasnm) + mandoc_msg(MANDOCERR_NAMESEC_NONM, + mdoc->last->line, mdoc->last->pos, NULL); + if ( ! hasnd) + mandoc_msg(MANDOCERR_NAMESEC_NOND, + mdoc->last->line, mdoc->last->pos, NULL); +} + +static void +post_sh_see_also(POST_ARGS) +{ + const struct roff_node *n; + const char *name, *sec; + const char *lastname, *lastsec, *lastpunct; + int cmp; + + n = mdoc->last->child; + lastname = lastsec = lastpunct = NULL; + while (n != NULL) { + if (n->tok != MDOC_Xr || + n->child == NULL || + n->child->next == NULL) + break; + + /* Process one .Xr node. */ + + name = n->child->string; + sec = n->child->next->string; + if (lastsec != NULL) { + if (lastpunct[0] != ',' || lastpunct[1] != '\0') + mandoc_msg(MANDOCERR_XR_PUNCT, n->line, + n->pos, "%s before %s(%s)", + lastpunct, name, sec); + cmp = strcmp(lastsec, sec); + if (cmp > 0) + mandoc_msg(MANDOCERR_XR_ORDER, n->line, + n->pos, "%s(%s) after %s(%s)", + name, sec, lastname, lastsec); + else if (cmp == 0 && + strcasecmp(lastname, name) > 0) + mandoc_msg(MANDOCERR_XR_ORDER, n->line, + n->pos, "%s after %s", name, lastname); + } + lastname = name; + lastsec = sec; + + /* 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; - mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); + } + 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 || n->next->tok == MDOC_Rs) + mandoc_msg(MANDOCERR_XR_PUNCT, 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); +static int +child_an(const struct roff_node *n) +{ - mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse, - n->line, n->pos, mdoc_macronames[n->tok]); - return(1); + for (n = n->child; n != NULL; n = n->next) + if ((n->tok == MDOC_An && n->child != NULL) || child_an(n)) + return 1; + return 0; } +static void +post_sh_authors(POST_ARGS) +{ + + if ( ! child_an(mdoc->last)) + mandoc_msg(MANDOCERR_AN_MISSING, + mdoc->last->line, mdoc->last->pos, NULL); +} + +/* + * Return an upper bound for the string distance (allowing + * transpositions). Not a full Levenshtein implementation + * because Levenshtein is quadratic in the string length + * and this function is called for every standard name, + * so the check for each custom name would be cubic. + * The following crude heuristics is linear, resulting + * in quadratic behaviour for checking one custom name, + * which does not cause measurable slowdown. + */ static int +similar(const char *s1, const char *s2) +{ + const int maxdist = 3; + int dist = 0; + + while (s1[0] != '\0' && s2[0] != '\0') { + if (s1[0] == s2[0]) { + s1++; + s2++; + continue; + } + if (++dist > maxdist) + return INT_MAX; + if (s1[1] == s2[1]) { /* replacement */ + s1++; + s2++; + } else if (s1[0] == s2[1] && s1[1] == s2[0]) { + s1 += 2; /* transposition */ + s2 += 2; + } else if (s1[0] == s2[1]) /* insertion */ + s2++; + else if (s1[1] == s2[0]) /* deletion */ + s1++; + else + return INT_MAX; + } + dist += strlen(s1) + strlen(s2); + return dist > maxdist ? INT_MAX : dist; +} + +static void post_sh_head(POST_ARGS) { - struct mdoc_node *n; - const char *goodsec; - char *secname; - enum mdoc_sec sec; + struct roff_node *nch; + const char *goodsec; + const char *const *testsec; + int dist, mindist; + enum roff_sec sec; /* * Process a new section. Sections are either "named" or @@ -1895,21 +2326,21 @@ post_sh_head(POST_ARGS) * manual sections. */ - secname = NULL; - sec = SEC_CUSTOM; - mdoc_deroff(&secname, mdoc->last); - sec = NULL == secname ? SEC_CUSTOM : a2sec(secname); + sec = mdoc->last->sec; /* The NAME should be first. */ - if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed) - mandoc_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse, - mdoc->last->line, mdoc->last->pos, - "Sh %s", secname); + if (sec != SEC_NAME && mdoc->lastnamed == SEC_NONE) + mandoc_msg(MANDOCERR_NAMESEC_FIRST, + mdoc->last->line, mdoc->last->pos, "Sh %s", + sec != SEC_CUSTOM ? secnames[sec] : + (nch = mdoc->last->child) == NULL ? "" : + nch->type == ROFFT_TEXT ? nch->string : + roff_name[nch->tok]); /* The SYNOPSIS gets special attention in other areas. */ - if (SEC_SYNOPSIS == sec) { + if (sec == SEC_SYNOPSIS) { roff_setreg(mdoc->roff, "nS", 1, '='); mdoc->flags |= MDOC_SYNOPSIS; } else { @@ -1921,25 +2352,25 @@ post_sh_head(POST_ARGS) mdoc->lastsec = sec; - /* - * Set the section attribute for the current HEAD, for its - * parent BLOCK, and for the HEAD children; the latter can - * only be TEXT nodes, so no recursion is needed. - * For other blocks and elements, including .Sh BODY, this is - * done when allocating the node data structures, but for .Sh - * BLOCK and HEAD, the section is still unknown at that time. - */ - - mdoc->last->parent->sec = sec; - mdoc->last->sec = sec; - for (n = mdoc->last->child; n; n = n->next) - n->sec = sec; - /* We don't care about custom sections after this. */ - if (SEC_CUSTOM == sec) { - free(secname); - return(1); + if (sec == SEC_CUSTOM) { + if ((nch = mdoc->last->child) == NULL || + nch->type != ROFFT_TEXT || nch->next != NULL) + return; + goodsec = NULL; + mindist = INT_MAX; + for (testsec = secnames + 1; *testsec != NULL; testsec++) { + dist = similar(nch->string, *testsec); + if (dist < mindist) { + goodsec = *testsec; + mindist = dist; + } + } + if (goodsec != NULL) + mandoc_msg(MANDOCERR_SEC_TYPO, nch->line, nch->pos, + "Sh %s instead of %s", nch->string, goodsec); + return; } /* @@ -1948,14 +2379,12 @@ post_sh_head(POST_ARGS) */ if (sec == mdoc->lastnamed) - mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse, - mdoc->last->line, mdoc->last->pos, - "Sh %s", secname); + mandoc_msg(MANDOCERR_SEC_REP, mdoc->last->line, + mdoc->last->pos, "Sh %s", secnames[sec]); if (sec < mdoc->lastnamed) - mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse, - mdoc->last->line, mdoc->last->pos, - "Sh %s", secname); + mandoc_msg(MANDOCERR_SEC_ORDER, mdoc->last->line, + mdoc->last->pos, "Sh %s", secnames[sec]); /* Mark the last named section. */ @@ -1963,7 +2392,8 @@ post_sh_head(POST_ARGS) /* Check particular section/manual conventions. */ - assert(mdoc->meta.msec); + if (mdoc->meta.msec == NULL) + return; goodsec = NULL; switch (sec) { @@ -1973,7 +2403,6 @@ post_sh_head(POST_ARGS) goodsec = "2, 3, 4, 9"; /* FALLTHROUGH */ case SEC_RETURN_VALUES: - /* FALLTHROUGH */ case SEC_LIBRARY: if (*mdoc->meta.msec == '2') break; @@ -1987,321 +2416,317 @@ post_sh_head(POST_ARGS) break; if (NULL == goodsec) goodsec = "9"; - mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse, + mandoc_msg(MANDOCERR_SEC_MSEC, mdoc->last->line, mdoc->last->pos, - "Sh %s for %s only", secname, goodsec); + "Sh %s for %s only", secnames[sec], goodsec); break; default: break; } +} - free(secname); - return(1); +static void +post_xr(POST_ARGS) +{ + struct roff_node *n, *nch; + + n = mdoc->last; + nch = n->child; + if (nch->next == NULL) { + mandoc_msg(MANDOCERR_XR_NOSEC, + n->line, n->pos, "Xr %s", nch->string); + } else { + assert(nch->next == n->last); + if(mandoc_xr_add(nch->next->string, nch->string, + nch->line, nch->pos)) + mandoc_msg(MANDOCERR_XR_SELF, + nch->line, nch->pos, "Xr %s %s", + nch->string, nch->next->string); + } + post_delim_nb(mdoc); } -static int +static void post_ignpar(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *np; - if (MDOC_BODY != mdoc->last->type) - return(1); + switch (mdoc->last->type) { + case ROFFT_BLOCK: + post_prevpar(mdoc); + return; + case ROFFT_HEAD: + post_delim(mdoc); + post_hyph(mdoc); + return; + case ROFFT_BODY: + break; + default: + return; + } - if (NULL != (np = mdoc->last->child)) - if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) { - mandoc_vmsg(MANDOCERR_PAR_SKIP, - mdoc->parse, np->line, np->pos, - "%s after %s", mdoc_macronames[np->tok], - mdoc_macronames[mdoc->last->tok]); - mdoc_node_delete(mdoc, np); + if ((np = mdoc->last->child) != NULL) + if (np->tok == MDOC_Pp || + np->tok == ROFF_br || np->tok == ROFF_sp) { + mandoc_msg(MANDOCERR_PAR_SKIP, np->line, np->pos, + "%s after %s", roff_name[np->tok], + roff_name[mdoc->last->tok]); + roff_node_delete(mdoc, np); } - if (NULL != (np = mdoc->last->last)) - if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) { - 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]); - mdoc_node_delete(mdoc, np); + if ((np = mdoc->last->last) != NULL) + if (np->tok == MDOC_Pp || np->tok == ROFF_br) { + mandoc_msg(MANDOCERR_PAR_SKIP, np->line, np->pos, + "%s at the end of %s", roff_name[np->tok], + roff_name[mdoc->last->tok]); + roff_node_delete(mdoc, np); } - - return(1); } -static int -pre_par(PRE_ARGS) +static void +post_prevpar(POST_ARGS) { + struct roff_node *n; - if (NULL == mdoc->last) - return(1); - if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type) - return(1); + n = mdoc->last; + if (NULL == n->prev) + return; + if (n->type != ROFFT_ELEM && n->type != ROFFT_BLOCK) + return; /* - * Don't allow prior `Lp' or `Pp' prior to a paragraph-type - * block: `Lp', `Pp', or non-compact `Bd' or `Bl'. + * Don't allow `Pp' prior to a paragraph-type + * block: `Pp' or non-compact `Bd' or `Bl'. */ - if (MDOC_Pp != mdoc->last->tok && - MDOC_Lp != mdoc->last->tok && - MDOC_br != mdoc->last->tok) - return(1); - if (MDOC_Bl == n->tok && n->norm->Bl.comp) - return(1); - if (MDOC_Bd == n->tok && n->norm->Bd.comp) - return(1); - if (MDOC_It == n->tok && n->parent->norm->Bl.comp) - return(1); + if (n->prev->tok != MDOC_Pp && n->prev->tok != ROFF_br) + return; + if (n->tok == MDOC_Bl && n->norm->Bl.comp) + return; + if (n->tok == MDOC_Bd && n->norm->Bd.comp) + return; + if (n->tok == MDOC_It && n->parent->norm->Bl.comp) + return; - 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]); - mdoc_node_delete(mdoc, mdoc->last); - return(1); + mandoc_msg(MANDOCERR_PAR_SKIP, n->prev->line, n->prev->pos, + "%s before %s", roff_name[n->prev->tok], roff_name[n->tok]); + roff_node_delete(mdoc, n->prev); } -static int +static void post_par(POST_ARGS) { - struct mdoc_node *np; + struct roff_node *np; - if (MDOC_ELEM != mdoc->last->type && - MDOC_BLOCK != mdoc->last->type) - return(1); + post_prevpar(mdoc); - if (NULL == (np = mdoc->last->prev)) { - np = mdoc->last->parent; - if (MDOC_Sh != np->tok && MDOC_Ss != np->tok) - return(1); - } else { - if (MDOC_Pp != np->tok && MDOC_Lp != np->tok && - (MDOC_br != mdoc->last->tok || - (MDOC_sp != np->tok && MDOC_br != np->tok))) - return(1); - } - - 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]); - mdoc_node_delete(mdoc, mdoc->last); - return(1); + np = mdoc->last; + if (np->child != NULL) + mandoc_msg(MANDOCERR_ARG_SKIP, np->line, np->pos, + "%s %s", roff_name[np->tok], np->child->string); } -static int -pre_literal(PRE_ARGS) -{ - - pre_display(mdoc, n); - - if (MDOC_BODY != n->type) - return(1); - - /* - * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd - * -unfilled' macros set MDOC_LITERAL on entrance to the body. - */ - - switch (n->tok) { - case MDOC_Dl: - mdoc->flags |= MDOC_LITERAL; - break; - case MDOC_Bd: - if (DISP_literal == n->norm->Bd.type) - mdoc->flags |= MDOC_LITERAL; - if (DISP_unfilled == n->norm->Bd.type) - mdoc->flags |= MDOC_LITERAL; - break; - default: - abort(); - /* NOTREACHED */ - } - - return(1); -} - -static int +static void post_dd(POST_ARGS) { - struct mdoc_node *n; + struct roff_node *n; char *datestr; - if (mdoc->meta.date) + n = mdoc->last; + n->flags |= NODE_NOPRT; + + if (mdoc->meta.date != NULL) { + mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Dd"); free(mdoc->meta.date); + } else if (mdoc->flags & MDOC_PBODY) + mandoc_msg(MANDOCERR_PROLOG_LATE, n->line, n->pos, "Dd"); + else if (mdoc->meta.title != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, + n->line, n->pos, "Dd after Dt"); + else if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, + n->line, n->pos, "Dd after Os"); - n = mdoc->last; - if (NULL == n->child || '\0' == n->child->string[0]) { + 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); - return(1); + mandoc_normdate(mdoc, NULL, n->line, n->pos); + return; } datestr = NULL; - mdoc_deroff(&datestr, n); + deroff(&datestr, n); if (mdoc->quick) mdoc->meta.date = datestr; else { - mdoc->meta.date = mandoc_normdate(mdoc->parse, + mdoc->meta.date = mandoc_normdate(mdoc, datestr, n->line, n->pos); free(datestr); } - return(1); } -static int +static void post_dt(POST_ARGS) { - struct mdoc_node *nn, *n; + struct roff_node *nn, *n; const char *cp; char *p; n = mdoc->last; + n->flags |= NODE_NOPRT; - if (mdoc->meta.title) - free(mdoc->meta.title); - if (mdoc->meta.vol) - free(mdoc->meta.vol); - if (mdoc->meta.arch) - free(mdoc->meta.arch); + if (mdoc->flags & MDOC_PBODY) { + mandoc_msg(MANDOCERR_DT_LATE, n->line, n->pos, "Dt"); + return; + } - mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL; + if (mdoc->meta.title != NULL) + mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Dt"); + else if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_ORDER, + n->line, n->pos, "Dt after Os"); - /* First check that all characters are uppercase. */ + free(mdoc->meta.title); + free(mdoc->meta.msec); + free(mdoc->meta.vol); + free(mdoc->meta.arch); - if (NULL != (nn = n->child)) - for (p = nn->string; *p; p++) { - if (toupper((unsigned char)*p) == *p) - continue; - mandoc_vmsg(MANDOCERR_TITLE_CASE, - mdoc->parse, nn->line, - nn->pos + (p - nn->string), - "Dt %s", nn->string); - break; - } + mdoc->meta.title = NULL; + mdoc->meta.msec = NULL; + mdoc->meta.vol = NULL; + mdoc->meta.arch = NULL; - /* Handles: `.Dt' - * title = unknown, volume = local, msec = 0, arch = NULL - */ + /* Mandatory first argument: title. */ - if (NULL == (nn = n->child)) { - /* XXX: make these macro values. */ - /* FIXME: warn about missing values. */ - mdoc->meta.title = mandoc_strdup("UNKNOWN"); - mdoc->meta.vol = mandoc_strdup("LOCAL"); - mdoc->meta.msec = mandoc_strdup("1"); - return(1); + nn = n->child; + if (nn == NULL || *nn->string == '\0') { + mandoc_msg(MANDOCERR_DT_NOTITLE, 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_msg(MANDOCERR_TITLE_CASE, nn->line, + nn->pos + (int)(p - nn->string), + "Dt %s", nn->string); + break; + } } - /* Handles: `.Dt TITLE' - * title = TITLE, volume = local, msec = 0, arch = NULL - */ + /* Mandatory second argument: section. */ - mdoc->meta.title = mandoc_strdup( - '\0' == nn->string[0] ? "UNKNOWN" : nn->string); + if (nn != NULL) + nn = nn->next; - if (NULL == (nn = nn->next)) { - /* FIXME: warn about missing msec. */ - /* XXX: make this a macro value. */ + if (nn == NULL) { + mandoc_msg(MANDOCERR_MSEC_MISSING, n->line, n->pos, + "Dt %s", mdoc->meta.title); mdoc->meta.vol = mandoc_strdup("LOCAL"); - mdoc->meta.msec = mandoc_strdup("1"); - return(1); + return; /* msec and arch remain NULL. */ } - /* Handles: `.Dt TITLE SEC' - * title = TITLE, - * volume = SEC is msec ? format(msec) : SEC, - * msec = SEC is msec ? atoi(msec) : 0, - * arch = NULL - */ + mdoc->meta.msec = mandoc_strdup(nn->string); + /* Infer volume title from section number. */ + cp = mandoc_a2msec(nn->string); - if (cp) { - mdoc->meta.vol = mandoc_strdup(cp); - mdoc->meta.msec = mandoc_strdup(nn->string); - } else { - mandoc_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse, + if (cp == NULL) { + mandoc_msg(MANDOCERR_MSEC_BAD, nn->line, nn->pos, "Dt ... %s", nn->string); mdoc->meta.vol = mandoc_strdup(nn->string); - mdoc->meta.msec = mandoc_strdup(nn->string); - } + } else + mdoc->meta.vol = mandoc_strdup(cp); - if (NULL == (nn = nn->next)) - return(1); + /* Optional third argument: architecture. */ - /* Handles: `.Dt TITLE SEC VOL' - * title = TITLE, - * volume = VOL is vol ? format(VOL) : - * VOL is arch ? format(arch) : - * VOL - */ + if ((nn = nn->next) == NULL) + return; - cp = mdoc_a2vol(nn->string); - if (cp) { - free(mdoc->meta.vol); - mdoc->meta.vol = mandoc_strdup(cp); - } else { - cp = mdoc_a2arch(nn->string); - if (NULL == cp) { - mandoc_vmsg(MANDOCERR_ARCH_BAD, mdoc->parse, - nn->line, nn->pos, "Dt ... %s", nn->string); - free(mdoc->meta.vol); - mdoc->meta.vol = mandoc_strdup(nn->string); - } else - mdoc->meta.arch = mandoc_strdup(cp); - } + for (p = nn->string; *p != '\0'; p++) + *p = tolower((unsigned char)*p); + mdoc->meta.arch = mandoc_strdup(nn->string); - /* Ignore any subsequent parameters... */ - /* FIXME: warn about subsequent parameters. */ + /* Ignore fourth and later arguments. */ - return(1); + if ((nn = nn->next) != NULL) + mandoc_msg(MANDOCERR_ARG_EXCESS, + nn->line, nn->pos, "Dt ... %s", nn->string); } -static int -post_prol(POST_ARGS) +static void +post_bx(POST_ARGS) { - /* - * Remove prologue macros from the document after they're - * processed. The final document uses mdoc_meta for these - * values and discards the originals. - */ + struct roff_node *n, *nch; + const char *macro; - mdoc_node_delete(mdoc, mdoc->last); - if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os) - mdoc->flags |= MDOC_PBODY; + post_delim_nb(mdoc); - return(1); -} + n = mdoc->last; + nch = n->child; -static int -post_bx(POST_ARGS) -{ - struct mdoc_node *n; + if (nch != NULL) { + macro = !strcmp(nch->string, "Open") ? "Ox" : + !strcmp(nch->string, "Net") ? "Nx" : + !strcmp(nch->string, "Free") ? "Fx" : + !strcmp(nch->string, "DragonFly") ? "Dx" : NULL; + if (macro != NULL) + mandoc_msg(MANDOCERR_BX, + n->line, n->pos, "%s", macro); + mdoc->last = nch; + nch = nch->next; + mdoc->next = ROFF_NEXT_SIBLING; + roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns); + mdoc->last->flags |= NODE_NOSRC; + mdoc->next = ROFF_NEXT_SIBLING; + } else + mdoc->next = ROFF_NEXT_CHILD; + roff_word_alloc(mdoc, n->line, n->pos, "BSD"); + mdoc->last->flags |= NODE_NOSRC; + if (nch == NULL) { + mdoc->last = n; + return; + } + + roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns); + mdoc->last->flags |= NODE_NOSRC; + mdoc->next = ROFF_NEXT_SIBLING; + roff_word_alloc(mdoc, n->line, n->pos, "-"); + mdoc->last->flags |= NODE_NOSRC; + roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns); + mdoc->last->flags |= NODE_NOSRC; + mdoc->last = 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. */ - n = mdoc->last->child; - if (n && NULL != (n = n->next)) - *n->string = (char)toupper((unsigned char)*n->string); - - return(1); + *nch->string = (char)toupper((unsigned char)*nch->string); } -static int +static void post_os(POST_ARGS) { #ifndef OSNAME struct utsname utsname; static char *defbuf; #endif - struct mdoc_node *n; + struct roff_node *n; n = mdoc->last; + n->flags |= NODE_NOPRT; + if (mdoc->meta.os != NULL) + mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Os"); + else if (mdoc->flags & MDOC_PBODY) + mandoc_msg(MANDOCERR_PROLOG_LATE, n->line, n->pos, "Os"); + + post_delim(mdoc); + /* * Set the operating system by way of the `Os' macro. * The order of precedence is: @@ -2313,22 +2738,21 @@ post_os(POST_ARGS) free(mdoc->meta.os); mdoc->meta.os = NULL; - mdoc_deroff(&mdoc->meta.os, n); + deroff(&mdoc->meta.os, n); if (mdoc->meta.os) - return(1); + goto out; - if (mdoc->defos) { - mdoc->meta.os = mandoc_strdup(mdoc->defos); - return(1); + if (mdoc->os_s != NULL) { + mdoc->meta.os = mandoc_strdup(mdoc->os_s); + goto out; } #ifdef OSNAME mdoc->meta.os = mandoc_strdup(OSNAME); #else /*!OSNAME */ - if (NULL == defbuf) { - if (-1 == uname(&utsname)) { - mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse, - n->line, n->pos, "Os"); + if (defbuf == NULL) { + if (uname(&utsname) == -1) { + mandoc_msg(MANDOCERR_OS_UNAME, n->line, n->pos, "Os"); defbuf = mandoc_strdup("UNKNOWN"); } else mandoc_asprintf(&defbuf, "%s %s", @@ -2336,139 +2760,144 @@ post_os(POST_ARGS) } mdoc->meta.os = mandoc_strdup(defbuf); #endif /*!OSNAME*/ - return(1); -} -/* - * If no argument is provided, - * fill in the name of the current manual page. - */ -static int -post_ex(POST_ARGS) -{ - struct mdoc_node *n; - - n = mdoc->last; - - if (n->child) - return(1); - - if (mdoc->meta.name == NULL) { - mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse, - n->line, n->pos, "Ex"); - return(1); +out: + if (mdoc->meta.os_e == MANDOC_OS_OTHER) { + if (strstr(mdoc->meta.os, "OpenBSD") != NULL) + mdoc->meta.os_e = MANDOC_OS_OPENBSD; + else if (strstr(mdoc->meta.os, "NetBSD") != NULL) + mdoc->meta.os_e = MANDOC_OS_NETBSD; } - mdoc->next = MDOC_NEXT_CHILD; + /* + * This is the earliest point where we can check + * Mdocdate conventions because we don't know + * the operating system earlier. + */ - if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name)) - return(0); + if (n->child != NULL) + mandoc_msg(MANDOCERR_OS_ARG, n->child->line, n->child->pos, + "Os %s (%s)", n->child->string, + mdoc->meta.os_e == MANDOC_OS_OPENBSD ? + "OpenBSD" : "NetBSD"); - mdoc->last = n; - return(1); + while (n->tok != MDOC_Dd) + if ((n = n->prev) == NULL) + return; + if ((n = n->child) == NULL) + return; + if (strncmp(n->string, "$" "Mdocdate", 9)) { + if (mdoc->meta.os_e == MANDOC_OS_OPENBSD) + mandoc_msg(MANDOCERR_MDOCDATE_MISSING, n->line, + n->pos, "Dd %s (OpenBSD)", n->string); + } else { + if (mdoc->meta.os_e == MANDOC_OS_NETBSD) + mandoc_msg(MANDOCERR_MDOCDATE, n->line, + n->pos, "Dd %s (NetBSD)", n->string); + } } -static enum mdoc_sec -a2sec(const char *p) +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 mdoc_sec)i); + return (enum roff_sec)i; - return(SEC_CUSTOM); + return SEC_CUSTOM; } static size_t -macro2len(enum mdoct macro) +macro2len(enum roff_tok macro) { switch (macro) { case MDOC_Ad: - return(12); + return 12; case MDOC_Ao: - return(12); + return 12; case MDOC_An: - return(12); + return 12; case MDOC_Aq: - return(12); + return 12; case MDOC_Ar: - return(12); + return 12; case MDOC_Bo: - return(12); + return 12; case MDOC_Bq: - return(12); + return 12; case MDOC_Cd: - return(12); + return 12; case MDOC_Cm: - return(10); + return 10; case MDOC_Do: - return(10); + return 10; case MDOC_Dq: - return(12); + return 12; case MDOC_Dv: - return(12); + return 12; case MDOC_Eo: - return(12); + return 12; case MDOC_Em: - return(10); + return 10; case MDOC_Er: - return(17); + return 17; case MDOC_Ev: - return(15); + return 15; case MDOC_Fa: - return(12); + return 12; case MDOC_Fl: - return(10); + return 10; case MDOC_Fo: - return(16); + return 16; case MDOC_Fn: - return(16); + return 16; case MDOC_Ic: - return(10); + return 10; case MDOC_Li: - return(16); + return 16; case MDOC_Ms: - return(6); + return 6; case MDOC_Nm: - return(10); + return 10; case MDOC_No: - return(12); + return 12; case MDOC_Oo: - return(10); + return 10; case MDOC_Op: - return(14); + return 14; case MDOC_Pa: - return(32); + return 32; case MDOC_Pf: - return(12); + return 12; case MDOC_Po: - return(12); + return 12; case MDOC_Pq: - return(12); + return 12; case MDOC_Ql: - return(16); + return 16; case MDOC_Qo: - return(12); + return 12; case MDOC_So: - return(12); + return 12; case MDOC_Sq: - return(12); + return 12; case MDOC_Sy: - return(6); + return 6; case MDOC_Sx: - return(16); + return 16; case MDOC_Tn: - return(10); + return 10; case MDOC_Va: - return(12); + return 12; case MDOC_Vt: - return(12); + return 12; case MDOC_Xr: - return(10); + return 10; default: break; }; - return(0); + return 0; }