/* $Id: mdoc_validate.c,v 1.304 2016/08/10 12:29:38 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons * Copyright (c) 2010-2016 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 AUTHORS DISCLAIM ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * 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. */ #include "config.h" #include #ifndef OSNAME #include #endif #include #include #include #include #include #include #include #include "mandoc_aux.h" #include "mandoc.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 POST_ARGS struct roff_man *mdoc enum check_ineq { CHECK_LT, CHECK_GT, CHECK_EQ }; typedef void (*v_post)(POST_ARGS); static void check_text(struct roff_man *, int, int, char *); static void check_argv(struct roff_man *, struct roff_node *, struct mdoc_argv *); static void check_args(struct roff_man *, struct roff_node *); static int child_an(const struct roff_node *); static size_t macro2len(int); static void rewrite_macro2len(char **); static 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_block_tag(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_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_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 v_post mdoc_valids[MDOC_MAX] = { NULL, /* Ap */ 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 */ NULL, /* Ad */ post_an, /* An */ post_defaults, /* Ar */ NULL, /* Cd */ NULL, /* Cm */ NULL, /* Dv */ NULL, /* Er */ NULL, /* Ev */ post_ex, /* Ex */ post_fa, /* Fa */ NULL, /* Fd */ NULL, /* Fl */ post_fn, /* Fn */ NULL, /* Ft */ NULL, /* Ic */ NULL, /* In */ post_defaults, /* Li */ post_nd, /* Nd */ post_nm, /* Nm */ NULL, /* Op */ post_obsolete, /* Ot */ post_defaults, /* Pa */ post_std, /* Rv */ post_st, /* St */ NULL, /* Va */ NULL, /* Vt */ NULL, /* 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 */ NULL, /* Aq */ post_at, /* At */ NULL, /* Bc */ post_bf, /* Bf */ NULL, /* Bo */ NULL, /* Bq */ NULL, /* Bsx */ post_bx, /* Bx */ post_obsolete, /* Db */ NULL, /* Dc */ NULL, /* Do */ NULL, /* Dq */ NULL, /* Ec */ NULL, /* Ef */ NULL, /* Em */ NULL, /* Eo */ NULL, /* Fx */ NULL, /* Ms */ NULL, /* No */ post_ns, /* Ns */ NULL, /* Nx */ NULL, /* Ox */ NULL, /* Pc */ NULL, /* Pf */ NULL, /* Po */ NULL, /* Pq */ NULL, /* Qc */ NULL, /* Ql */ NULL, /* Qo */ NULL, /* Qq */ NULL, /* Re */ post_rs, /* Rs */ NULL, /* Sc */ NULL, /* So */ NULL, /* Sq */ post_sm, /* Sm */ post_hyph, /* Sx */ NULL, /* Sy */ NULL, /* Tn */ NULL, /* Ux */ NULL, /* Xc */ NULL, /* Xo */ post_fo, /* Fo */ NULL, /* Fc */ NULL, /* Oo */ NULL, /* Oc */ post_bk, /* Bk */ NULL, /* Ek */ post_eoln, /* Bt */ NULL, /* Hf */ post_obsolete, /* Fr */ post_eoln, /* Ud */ post_lb, /* Lb */ post_par, /* Lp */ NULL, /* Lk */ post_defaults, /* Mt */ NULL, /* Brq */ NULL, /* Bro */ NULL, /* Brc */ NULL, /* %C */ post_es, /* Es */ post_en, /* En */ NULL, /* Dx */ NULL, /* %Q */ post_par, /* br */ post_par, /* sp */ NULL, /* %U */ NULL, /* Ta */ NULL, /* ll */ }; #define RSORD_MAX 14 /* Number of `Rs' blocks. */ static const int rsord[RSORD_MAX] = { MDOC__A, MDOC__T, MDOC__B, MDOC__I, MDOC__J, MDOC__R, MDOC__N, MDOC__V, MDOC__U, MDOC__P, MDOC__Q, MDOC__C, MDOC__D, MDOC__O }; static const char * const secnames[SEC__MAX] = { NULL, "NAME", "LIBRARY", "SYNOPSIS", "DESCRIPTION", "CONTEXT", "IMPLEMENTATION NOTES", "RETURN VALUES", "ENVIRONMENT", "FILES", "EXIT STATUS", "EXAMPLES", "DIAGNOSTICS", "COMPATIBILITY", "ERRORS", "SEE ALSO", "STANDARDS", "HISTORY", "AUTHORS", "CAVEATS", "BUGS", "SECURITY CONSIDERATIONS", NULL }; void mdoc_node_validate(struct roff_man *mdoc) { struct roff_node *n; v_post *p; n = mdoc->last; mdoc->last = mdoc->last->child; while (mdoc->last != NULL) { mdoc_node_validate(mdoc); if (mdoc->last == n) mdoc->last = mdoc->last->child; else mdoc->last = mdoc->last->next; } mdoc->last = n; mdoc->next = ROFF_NEXT_SIBLING; switch (n->type) { case ROFFT_TEXT: if (n->sec != SEC_SYNOPSIS || n->parent->tok != MDOC_Fd) check_text(mdoc, n->line, n->pos, n->string); break; case ROFFT_EQN: case ROFFT_TBL: break; case ROFFT_ROOT: post_root(mdoc); break; default: check_args(mdoc, mdoc->last); /* * Closing delimiters are not special at the * beginning of a block, opening delimiters * are not special at the end. */ if (n->child != NULL) n->child->flags &= ~MDOC_DELIMC; if (n->last != NULL) n->last->flags &= ~MDOC_DELIMO; /* Call the macro's postprocessor. */ p = mdoc_valids + n->tok; if (*p) (*p)(mdoc); if (mdoc->last == n) mdoc_state(mdoc, n); break; } } static void check_args(struct roff_man *mdoc, struct roff_node *n) { int i; if (NULL == n->args) return; assert(n->args->argc); for (i = 0; i < (int)n->args->argc; i++) check_argv(mdoc, n, &n->args->argv[i]); } static void check_argv(struct roff_man *mdoc, struct roff_node *n, struct mdoc_argv *v) { int i; for (i = 0; i < (int)v->sz; i++) check_text(mdoc, v->line, v->pos, v->value[i]); } static void check_text(struct roff_man *mdoc, int ln, int pos, char *p) { char *cp; if (MDOC_LITERAL & mdoc->flags) return; for (cp = p; NULL != (p = strchr(p, '\t')); p++) mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse, ln, pos + (int)(p - cp), NULL); } static void post_bl_norm(POST_ARGS) { struct roff_node *n; struct mdoc_argv *argv, *wa; int i; enum mdocargt mdoclt; enum mdoc_list lt; n = mdoc->last->parent; n->norm->Bl.type = LIST__NONE; /* * 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 == NULL) ? NULL : n->args->argv; mdoclt = MDOC_ARG_MAX; for (i = 0; n->args && i < (int)n->args->argc; i++) { argv = n->args->argv + i; lt = LIST__NONE; switch (argv->arg) { /* Set list types. */ case MDOC_Bullet: lt = LIST_bullet; break; case MDOC_Dash: lt = LIST_dash; break; case MDOC_Enum: lt = LIST_enum; break; case MDOC_Hyphen: lt = LIST_hyphen; break; case MDOC_Item: lt = LIST_item; break; case MDOC_Tag: lt = LIST_tag; break; case MDOC_Diag: lt = LIST_diag; break; case MDOC_Hang: lt = LIST_hang; break; case MDOC_Ohang: lt = LIST_ohang; break; case MDOC_Inset: lt = LIST_inset; break; case MDOC_Column: lt = LIST_column; break; /* Set list arguments. */ case MDOC_Compact: if (n->norm->Bl.comp) mandoc_msg(MANDOCERR_ARG_REP, mdoc->parse, argv->line, argv->pos, "Bl -compact"); n->norm->Bl.comp = 1; break; case MDOC_Width: wa = argv; if (0 == argv->sz) { mandoc_msg(MANDOCERR_ARG_EMPTY, mdoc->parse, argv->line, argv->pos, "Bl -width"); n->norm->Bl.width = "0n"; break; } if (NULL != n->norm->Bl.width) mandoc_vmsg(MANDOCERR_ARG_REP, mdoc->parse, argv->line, argv->pos, "Bl -width %s", argv->value[0]); rewrite_macro2len(argv->value); n->norm->Bl.width = argv->value[0]; break; case MDOC_Offset: if (0 == argv->sz) { mandoc_msg(MANDOCERR_ARG_EMPTY, mdoc->parse, 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]); rewrite_macro2len(argv->value); n->norm->Bl.offs = argv->value[0]; break; default: continue; } if (LIST__NONE == lt) continue; mdoclt = argv->arg; /* Check: multiple list types. */ if (LIST__NONE != n->norm->Bl.type) { mandoc_vmsg(MANDOCERR_BL_REP, mdoc->parse, n->line, n->pos, "Bl -%s", mdoc_argnames[argv->arg]); continue; } /* The list type should come first. */ if (n->norm->Bl.width || n->norm->Bl.offs || n->norm->Bl.comp) mandoc_vmsg(MANDOCERR_BL_LATETYPE, mdoc->parse, n->line, n->pos, "Bl -%s", mdoc_argnames[n->args->argv[0].arg]); n->norm->Bl.type = lt; if (LIST_column == lt) { n->norm->Bl.ncols = argv->sz; n->norm->Bl.cols = (void *)argv->value; } } /* Allow lists to default to LIST_item. */ if (LIST__NONE == n->norm->Bl.type) { mandoc_msg(MANDOCERR_BL_NOTYPE, mdoc->parse, n->line, n->pos, "Bl"); n->norm->Bl.type = LIST_item; mdoclt = MDOC_Item; } /* * Validate the width field. Some list types don't need width * types and should be warned about them. Others should have it * and must also be warned. Yet others have a default and need * no warning. */ switch (n->norm->Bl.type) { case LIST_tag: if (NULL == n->norm->Bl.width) mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse, n->line, n->pos, "Bl -tag"); break; case LIST_column: case LIST_diag: case LIST_ohang: case LIST_inset: case LIST_item: if (n->norm->Bl.width) mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse, wa->line, wa->pos, "Bl -%s", mdoc_argnames[mdoclt]); break; case LIST_bullet: case LIST_dash: case LIST_hyphen: if (NULL == n->norm->Bl.width) n->norm->Bl.width = "2n"; break; case LIST_enum: if (NULL == n->norm->Bl.width) n->norm->Bl.width = "3n"; break; default: break; } } static void post_bd(POST_ARGS) { struct roff_node *n; struct mdoc_argv *argv; int i; enum mdoc_disp dt; n = mdoc->last; for (i = 0; n->args && i < (int)n->args->argc; i++) { argv = n->args->argv + i; dt = DISP__NONE; switch (argv->arg) { case MDOC_Centred: dt = DISP_centered; break; case MDOC_Ragged: dt = DISP_ragged; break; case MDOC_Unfilled: dt = DISP_unfilled; break; case MDOC_Filled: dt = DISP_filled; break; case MDOC_Literal: dt = DISP_literal; break; case MDOC_File: mandoc_msg(MANDOCERR_BD_FILE, mdoc->parse, n->line, n->pos, NULL); break; case MDOC_Offset: if (0 == argv->sz) { mandoc_msg(MANDOCERR_ARG_EMPTY, mdoc->parse, argv->line, argv->pos, "Bd -offset"); break; } if (NULL != n->norm->Bd.offs) mandoc_vmsg(MANDOCERR_ARG_REP, mdoc->parse, argv->line, argv->pos, "Bd -offset %s", argv->value[0]); rewrite_macro2len(argv->value); n->norm->Bd.offs = argv->value[0]; break; case MDOC_Compact: if (n->norm->Bd.comp) mandoc_msg(MANDOCERR_ARG_REP, mdoc->parse, argv->line, argv->pos, "Bd -compact"); n->norm->Bd.comp = 1; break; default: abort(); } if (DISP__NONE == dt) continue; if (DISP__NONE == n->norm->Bd.type) n->norm->Bd.type = dt; else mandoc_vmsg(MANDOCERR_BD_REP, mdoc->parse, n->line, n->pos, "Bd -%s", mdoc_argnames[argv->arg]); } if (DISP__NONE == n->norm->Bd.type) { mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse, n->line, n->pos, "Bd"); n->norm->Bd.type = DISP_ragged; } } 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; for (i = 1; i < n->args->argc; i++) { argv = n->args->argv + i; mandoc_vmsg(MANDOCERR_AN_REP, mdoc->parse, argv->line, argv->pos, "An -%s", mdoc_argnames[argv->arg]); } argv = n->args->argv; if (argv->arg == MDOC_Split) n->norm->An.auth = AUTH_split; else if (argv->arg == MDOC_Nosplit) n->norm->An.auth = AUTH_nosplit; else abort(); } static void post_std(POST_ARGS) { struct roff_node *n; n = mdoc->last; if (n->args && n->args->argc == 1) if (n->args->argv[0].arg == MDOC_Std) return; mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); } 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, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); } static void post_bf(POST_ARGS) { struct roff_node *np, *nch; /* * Unlike other data pointers, these are "housed" by the HEAD * element, which contains the goods. */ np = mdoc->last; 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 (np->parent->args == NULL) { if (nch == NULL) { mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse, np->line, np->pos, "Bf"); return; } nch = nch->next; } if (nch != NULL) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, nch->line, nch->pos, "Bf ... %s", nch->string); /* Extract argument into data. */ if (np->parent->args != NULL) { switch (np->parent->args->argv[0].arg) { case MDOC_Emphasis: np->norm->Bf.font = FONT_Em; break; case MDOC_Literal: np->norm->Bf.font = FONT_Li; break; case MDOC_Symbolic: np->norm->Bf.font = FONT_Sy; break; default: abort(); } return; } /* Extract parameter into data. */ if ( ! strcmp(np->child->string, "Em")) np->norm->Bf.font = FONT_Em; else if ( ! strcmp(np->child->string, "Li")) np->norm->Bf.font = FONT_Li; else if ( ! strcmp(np->child->string, "Sy")) np->norm->Bf.font = FONT_Sy; else mandoc_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse, np->child->line, np->child->pos, "Bf %s", np->child->string); } static void post_lb(POST_ARGS) { struct roff_node *n; const char *stdlibname; char *libname; n = mdoc->last->child; assert(n->type == ROFFT_TEXT); 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; } static void post_eoln(POST_ARGS) { const struct roff_node *n; n = mdoc->last; if (n->child != NULL) mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, n->line, n->pos, "%s %s", mdoc_macronames[n->tok], n->child->string); } static void post_fname(POST_ARGS) { const struct roff_node *n; const char *cp; size_t pos; n = mdoc->last->child; pos = strcspn(n->string, "()"); cp = n->string + pos; if ( ! (cp[0] == '\0' || (cp[0] == '(' && cp[1] == '*'))) mandoc_msg(MANDOCERR_FN_PAREN, mdoc->parse, n->line, n->pos + pos, n->string); } static void post_fn(POST_ARGS) { post_fname(mdoc); post_fa(mdoc); } static void post_fo(POST_ARGS) { const struct roff_node *n; n = mdoc->last; if (n->type != ROFFT_HEAD) return; if (n->child == NULL) { mandoc_msg(MANDOCERR_FO_NOHEAD, mdoc->parse, n->line, n->pos, "Fo"); return; } if (n->child != n->last) { mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, n->child->next->line, n->child->next->pos, "Fo ... %s", n->child->next->string); while (n->child != n->last) roff_node_delete(mdoc, n->last); } post_fname(mdoc); } static void post_fa(POST_ARGS) { const struct roff_node *n; const char *cp; for (n = mdoc->last->child; n != NULL; n = n->next) { for (cp = n->string; *cp != '\0'; cp++) { /* Ignore callbacks and alterations. */ if (*cp == '(' || *cp == '{') break; if (*cp != ',') continue; mandoc_msg(MANDOCERR_FA_COMMA, mdoc->parse, n->line, n->pos + (cp - n->string), n->string); break; } } } static void post_nm(POST_ARGS) { struct roff_node *n; n = mdoc->last; if (n->last != NULL && (n->last->tok == MDOC_Pp || n->last->tok == MDOC_Lp)) mdoc_node_relink(mdoc, n->last); if (mdoc->meta.name != NULL) return; deroff(&mdoc->meta.name, n); if (mdoc->meta.name == NULL) mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse, n->line, n->pos, "Nm"); } static void post_nd(POST_ARGS) { struct roff_node *n; n = mdoc->last; if (n->type != ROFFT_BODY) return; if (n->child == NULL) mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse, n->line, n->pos, "Nd"); post_hyph(mdoc); } 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) break; if (n->child == NULL) mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, n->line, n->pos, mdoc_macronames[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, mdoc->parse, n->line, n->pos, "Bd"); mdoc->next = ROFF_NEXT_SIBLING; while (n->body->child != NULL) mdoc_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_vmsg(MANDOCERR_BD_NEST, mdoc->parse, n->line, n->pos, "%s in Bd", mdoc_macronames[n->tok]); break; } } break; default: break; } } static void post_defaults(POST_ARGS) { struct roff_node *nn; /* * 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 != NULL) return; nn = mdoc->last; switch (nn->tok) { case MDOC_Ar: mdoc->next = ROFF_NEXT_CHILD; roff_word_alloc(mdoc, nn->line, nn->pos, "file"); roff_word_alloc(mdoc, nn->line, nn->pos, "..."); break; case MDOC_Pa: case MDOC_Mt: mdoc->next = ROFF_NEXT_CHILD; roff_word_alloc(mdoc, nn->line, nn->pos, "~"); break; default: abort(); } mdoc->last = nn; } static void post_at(POST_ARGS) { struct roff_node *n; const char *std_att; char *att; n = mdoc->last; if (n->child == NULL) { mdoc->next = ROFF_NEXT_CHILD; roff_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX"); mdoc->last = n; return; } /* * If we have a child, look it up in the standard keys. If a * key exist, use that instead of the child; if it doesn't, * prefix "AT&T UNIX " to the existing data. */ n = n->child; assert(n->type == ROFFT_TEXT); if ((std_att = mdoc_a2att(n->string)) == NULL) { mandoc_vmsg(MANDOCERR_AT_BAD, mdoc->parse, n->line, n->pos, "At %s", n->string); mandoc_asprintf(&att, "AT&T UNIX %s", n->string); } else att = mandoc_strdup(std_att); free(n->string); n->string = att; } static void post_an(POST_ARGS) { struct roff_node *np, *nch; post_an_norm(mdoc); np = mdoc->last; nch = np->child; if (np->norm->An.auth == AUTH__NONE) { if (nch == NULL) mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, np->line, np->pos, "An"); } else if (nch != NULL) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, nch->line, nch->pos, "An ... %s", nch->string); } static void post_en(POST_ARGS) { post_obsolete(mdoc); if (mdoc->last->type == ROFFT_BLOCK) mdoc->last->norm->Es = mdoc->last_es; } static void post_es(POST_ARGS) { post_obsolete(mdoc); mdoc->last_es = mdoc->last; } static void post_it(POST_ARGS) { struct roff_node *nbl, *nit, *nch; int i, cols; enum mdoc_list lt; post_prevpar(mdoc); nit = mdoc->last; if (nit->type != ROFFT_BLOCK) return; nbl = nit->parent->parent; lt = nbl->norm->Bl.type; switch (lt) { case LIST_tag: case LIST_hang: case LIST_ohang: case LIST_inset: case LIST_diag: if (nit->head->child == NULL) mandoc_vmsg(MANDOCERR_IT_NOHEAD, mdoc->parse, nit->line, nit->pos, "Bl -%s It", mdoc_argnames[nbl->args->argv[0].arg]); break; case LIST_bullet: case LIST_dash: case LIST_enum: case LIST_hyphen: if (nit->body == NULL || nit->body->child == NULL) mandoc_vmsg(MANDOCERR_IT_NOBODY, mdoc->parse, nit->line, nit->pos, "Bl -%s It", mdoc_argnames[nbl->args->argv[0].arg]); /* FALLTHROUGH */ case LIST_item: if ((nch = nit->head->child) != NULL) mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, nit->line, nit->pos, "It %s", nch->string == NULL ? mdoc_macronames[nch->tok] : nch->string); break; case LIST_column: cols = (int)nbl->norm->Bl.ncols; assert(nit->head->child == NULL); i = 0; for (nch = nit->child; nch != NULL; nch = nch->next) if (nch->type == ROFFT_BODY) i++; if (i < cols || i > cols + 1) mandoc_vmsg(MANDOCERR_BL_COL, mdoc->parse, nit->line, nit->pos, "%d columns, %d cells", cols, i); break; default: abort(); } } static void post_bl_block(POST_ARGS) { struct roff_node *n, *ni, *nc; post_prevpar(mdoc); /* * 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). */ n = mdoc->last; if (n->norm->Bl.type == LIST_tag && n->norm->Bl.width == NULL) { post_bl_block_tag(mdoc); assert(n->norm->Bl.width != NULL); } for (ni = n->body->child; ni != NULL; ni = ni->next) { if (ni->body == NULL) continue; nc = ni->body->last; while (nc != NULL) { switch (nc->tok) { case MDOC_Pp: case MDOC_Lp: case MDOC_br: break; default: nc = NULL; continue; } if (ni->next == NULL) { mandoc_msg(MANDOCERR_PAR_MOVE, mdoc->parse, nc->line, nc->pos, mdoc_macronames[nc->tok]); mdoc_node_relink(mdoc, nc); } else if (n->norm->Bl.comp == 0 && n->norm->Bl.type != LIST_column) { mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, nc->line, nc->pos, "%s before It", mdoc_macronames[nc->tok]); roff_node_delete(mdoc, nc); } else break; nc = ni->body->last; } } } /* * If the argument of -offset or -width is a macro, * replace it with the associated default width. */ void rewrite_macro2len(char **arg) { size_t width; int tok; if (*arg == NULL) return; else if ( ! strcmp(*arg, "Ds")) width = 6; else if ((tok = mdoc_hash_find(*arg)) == TOKEN_NONE) return; else width = macro2len(tok); free(*arg); mandoc_asprintf(arg, "%zun", width); } static void post_bl_block_tag(POST_ARGS) { struct roff_node *n, *nn; size_t sz, ssz; int i; char buf[24]; /* * Calculate the -width for a `Bl -tag' list if it hasn't been * provided. Uses the first head macro. NOTE AGAIN: this is * ONLY if the -width argument has NOT been provided. See * rewrite_macro2len() for converting the -width string. */ sz = 10; n = mdoc->last; for (nn = n->body->child; nn != NULL; nn = nn->next) { if (nn->tok != MDOC_It) continue; assert(nn->type == ROFFT_BLOCK); nn = nn->head->child; if (nn == NULL) break; if (nn->type == ROFFT_TEXT) { sz = strlen(nn->string) + 1; break; } if (0 != (ssz = macro2len(nn->tok))) sz = ssz; break; } /* 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 != NULL); i = (int)(n->args->argc)++; n->args->argv = mandoc_reallocarray(n->args->argv, n->args->argc, sizeof(struct mdoc_argv)); n->args->argv[i].arg = MDOC_Width; n->args->argv[i].line = n->line; n->args->argv[i].pos = n->pos; n->args->argv[i].sz = 1; n->args->argv[i].value = mandoc_malloc(sizeof(char *)); n->args->argv[i].value[0] = mandoc_strdup(buf); /* Set our width! */ n->norm->Bl.width = n->args->argv[i].value[0]; } static void post_bl_head(POST_ARGS) { struct roff_node *nbl, *nh, *nch, *nnext; struct mdoc_argv *argv; int i, j; post_bl_norm(mdoc); nh = mdoc->last; if (nh->norm->Bl.type != LIST_column) { if ((nch = nh->child) == NULL) return; mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, nch->line, nch->pos, "Bl ... %s", nch->string); while (nch != NULL) { roff_node_delete(mdoc, nch); nch = nh->child; } return; } /* * Append old-style lists, where the column width specifiers * trail as macro parameters, to the new-style ("normal-form") * lists where they're argument values following -column. */ if (nh->child == NULL) return; nbl = nh->parent; for (j = 0; j < (int)nbl->args->argc; j++) if (nbl->args->argv[j].arg == MDOC_Column) break; assert(j < (int)nbl->args->argc); /* * Accommodate for new-style groff column syntax. Shuffle the * child nodes, all of which must be TEXT, as arguments for the * column field. Then, delete the head children. */ argv = nbl->args->argv + j; i = argv->sz; for (nch = nh->child; nch != NULL; nch = nch->next) argv->sz++; argv->value = mandoc_reallocarray(argv->value, argv->sz, sizeof(char *)); nh->norm->Bl.ncols = argv->sz; nh->norm->Bl.cols = (void *)argv->value; for (nch = nh->child; nch != NULL; nch = nnext) { argv->value[i++] = nch->string; nch->string = NULL; nnext = nch->next; roff_node_delete(NULL, nch); } nh->child = NULL; } static void post_bl(POST_ARGS) { 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 */ nbody = mdoc->last; switch (nbody->type) { case ROFFT_BLOCK: post_bl_block(mdoc); return; case ROFFT_HEAD: post_bl_head(mdoc); return; case ROFFT_BODY: break; default: return; } if (nbody->end != ENDBODY_NOT) return; nchild = nbody->child; if (nchild == NULL) { mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, nbody->line, nbody->pos, "Bl"); return; } while (nchild != NULL) { if (nchild->tok == MDOC_It || (nchild->tok == MDOC_Sm && nchild->next != NULL && nchild->next->tok == MDOC_It)) { nchild = nchild->next; continue; } mandoc_msg(MANDOCERR_BL_MOVE, mdoc->parse, nchild->line, nchild->pos, mdoc_macronames[nchild->tok]); /* * Move the node out of the Bl block. * First, collect all required node pointers. */ nblock = nbody->parent; nprev = nblock->prev; nparent = nblock->parent; nnext = nchild->next; /* * Unlink this child. */ assert(nchild->prev == NULL); nbody->child = nnext; if (nnext == NULL) nbody->last = NULL; else nnext->prev = NULL; /* * Relink this child. */ nchild->parent = nparent; nchild->prev = nprev; nchild->next = nblock; nblock->prev = nchild; if (nprev == NULL) nparent->child = nchild; else nprev->next = nchild; nchild = nnext; } } static void post_bk(POST_ARGS) { struct roff_node *n; n = mdoc->last; if (n->type == ROFFT_BLOCK && n->body->child == NULL) { mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, n->line, n->pos, "Bk"); roff_node_delete(mdoc, n); } } static void post_sm(POST_ARGS) { struct roff_node *nch; nch = mdoc->last->child; if (nch == NULL) { mdoc->flags ^= MDOC_SMOFF; return; } assert(nch->type == ROFFT_TEXT); if ( ! strcmp(nch->string, "on")) { mdoc->flags &= ~MDOC_SMOFF; return; } if ( ! strcmp(nch->string, "off")) { mdoc->flags |= MDOC_SMOFF; return; } mandoc_vmsg(MANDOCERR_SM_BAD, mdoc->parse, nch->line, nch->pos, "%s %s", mdoc_macronames[mdoc->last->tok], nch->string); mdoc_node_relink(mdoc, nch); return; } static void post_root(POST_ARGS) { struct roff_node *n; /* Add missing prologue data. */ if (mdoc->meta.date == NULL) mdoc->meta.date = mdoc->quick ? mandoc_strdup("") : mandoc_normdate(mdoc->parse, NULL, 0, 0); if (mdoc->meta.title == NULL) { mandoc_msg(MANDOCERR_DT_NOTITLE, mdoc->parse, 0, 0, "EOF"); mdoc->meta.title = mandoc_strdup("UNTITLED"); } if (mdoc->meta.vol == NULL) mdoc->meta.vol = mandoc_strdup("LOCAL"); if (mdoc->meta.os == NULL) { mandoc_msg(MANDOCERR_OS_MISSING, mdoc->parse, 0, 0, NULL); mdoc->meta.os = mandoc_strdup(""); } /* Check that we begin with a proper `Sh'. */ n = mdoc->first->child; while (n != NULL && n->tok != TOKEN_NONE && mdoc_macros[n->tok].flags & MDOC_PROLOGUE) n = n->next; if (n == NULL) mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, 0, 0, NULL); else if (n->tok != MDOC_Sh) mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); } static void post_st(POST_ARGS) { struct roff_node *n, *nch; const char *p; n = mdoc->last; nch = n->child; assert(nch->type == ROFFT_TEXT); if ((p = mdoc_a2st(nch->string)) == NULL) { mandoc_vmsg(MANDOCERR_ST_BAD, mdoc->parse, nch->line, nch->pos, "St %s", nch->string); roff_node_delete(mdoc, n); } else { free(nch->string); nch->string = mandoc_strdup(p); } } static void post_rs(POST_ARGS) { struct roff_node *np, *nch, *next, *prev; int i, j; np = mdoc->last; if (np->type != ROFFT_BODY) return; if (np->child == NULL) { mandoc_msg(MANDOCERR_RS_EMPTY, mdoc->parse, np->line, np->pos, "Rs"); return; } /* * The full `Rs' block needs special handling to order the * sub-elements according to `rsord'. Pick through each element * and correctly order it. This is an insertion sort. */ next = NULL; 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] == nch->tok) break; if (i == RSORD_MAX) { mandoc_msg(MANDOCERR_RS_BAD, mdoc->parse, nch->line, nch->pos, mdoc_macronames[nch->tok]); i = -1; } else if (nch->tok == MDOC__J || nch->tok == MDOC__B) np->norm->Rs.quote_T++; /* * Remove this child from the chain. This somewhat * repeats roff_node_unlink(), but since we're * just re-ordering, there's no need for the * full unlink process. */ if ((next = nch->next) != NULL) next->prev = nch->prev; if ((prev = nch->prev) != NULL) prev->next = nch->next; nch->prev = nch->next = NULL; /* * Scan back until we reach a node that's * to be ordered before this child. */ for ( ; prev ; prev = prev->prev) { /* Determine order of `prev'. */ for (j = 0; j < RSORD_MAX; j++) if (rsord[j] == prev->tok) break; if (j == RSORD_MAX) j = -1; if (j <= i) break; } /* * Set this child back into its correct place * in front of the `prev' node. */ nch->prev = prev; if (prev == NULL) { np->child->prev = nch; nch->next = np->child; np->child = nch; } else { if (prev->next) prev->next->prev = nch; nch->next = prev->next; prev->next = nch; } } } /* * For some arguments of some macros, * convert all breakable hyphens into ASCII_HYPH. */ static void post_hyph(POST_ARGS) { struct roff_node *nch; char *cp; for (nch = mdoc->last->child; nch != NULL; nch = nch->next) { if (nch->type != ROFFT_TEXT) continue; cp = nch->string; if (*cp == '\0') continue; while (*(++cp) != '\0') if (*cp == '-' && isalpha((unsigned char)cp[-1]) && isalpha((unsigned char)cp[1])) *cp = ASCII_HYPH; } } static void post_ns(POST_ARGS) { if (mdoc->last->flags & MDOC_LINE) mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse, mdoc->last->line, mdoc->last->pos, NULL); } static void post_sh(POST_ARGS) { post_ignpar(mdoc); switch (mdoc->last->type) { case ROFFT_HEAD: post_sh_head(mdoc); break; case ROFFT_BODY: switch (mdoc->lastsec) { case SEC_NAME: post_sh_name(mdoc); break; case SEC_SEE_ALSO: post_sh_see_also(mdoc); break; case SEC_AUTHORS: post_sh_authors(mdoc); break; default: break; } break; default: break; } } static void post_sh_name(POST_ARGS) { struct roff_node *n; int hasnm, hasnd; hasnm = hasnd = 0; for (n = mdoc->last->child; n != NULL; n = n->next) { switch (n->tok) { case MDOC_Nm: hasnm = 1; break; case MDOC_Nd: hasnd = 1; if (n->next != NULL) mandoc_msg(MANDOCERR_NAMESEC_ND, mdoc->parse, n->line, n->pos, NULL); break; case TOKEN_NONE: if (hasnm) break; /* FALLTHROUGH */ default: mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); break; } } if ( ! hasnm) mandoc_msg(MANDOCERR_NAMESEC_NONM, mdoc->parse, mdoc->last->line, mdoc->last->pos, NULL); if ( ! hasnd) mandoc_msg(MANDOCERR_NAMESEC_NOND, mdoc->parse, mdoc->last->line, mdoc->last->pos, NULL); } static void post_sh_see_also(POST_ARGS) { 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_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse, n->line, n->pos, "%s before %s(%s)", lastpunct, name, sec); cmp = strcmp(lastsec, sec); if (cmp > 0) mandoc_vmsg(MANDOCERR_XR_ORDER, mdoc->parse, n->line, n->pos, "%s(%s) after %s(%s)", name, sec, lastname, lastsec); else if (cmp == 0 && strcasecmp(lastname, name) > 0) mandoc_vmsg(MANDOCERR_XR_ORDER, mdoc->parse, n->line, n->pos, "%s after %s", name, lastname); } lastname = name; lastsec = sec; /* Process the following node. */ n = n->next; if (n == NULL) break; if (n->tok == MDOC_Xr) { lastpunct = "none"; continue; } if (n->type != ROFFT_TEXT) break; for (name = n->string; *name != '\0'; name++) if (isalpha((const unsigned char)*name)) return; lastpunct = n->string; if (n->next == NULL) mandoc_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse, n->line, n->pos, "%s after %s(%s)", lastpunct, lastname, lastsec); n = n->next; } } static int child_an(const struct roff_node *n) { 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->parse, mdoc->last->line, mdoc->last->pos, NULL); } static void post_sh_head(POST_ARGS) { const char *goodsec; enum roff_sec sec; /* * Process a new section. Sections are either "named" or * "custom". Custom sections are user-defined, while named ones * follow a conventional order and may only appear in certain * manual sections. */ sec = mdoc->last->sec; /* The NAME should be first. */ if (sec != SEC_NAME && mdoc->lastnamed == SEC_NONE) mandoc_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse, mdoc->last->line, mdoc->last->pos, "Sh %s", sec == SEC_CUSTOM ? mdoc->last->child->string : secnames[sec]); /* The SYNOPSIS gets special attention in other areas. */ if (sec == SEC_SYNOPSIS) { roff_setreg(mdoc->roff, "nS", 1, '='); mdoc->flags |= MDOC_SYNOPSIS; } else { roff_setreg(mdoc->roff, "nS", 0, '='); mdoc->flags &= ~MDOC_SYNOPSIS; } /* Mark our last section. */ mdoc->lastsec = sec; /* We don't care about custom sections after this. */ if (sec == SEC_CUSTOM) return; /* * Check whether our non-custom section is being repeated or is * out of order. */ if (sec == mdoc->lastnamed) mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse, 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", secnames[sec]); /* Mark the last named section. */ mdoc->lastnamed = sec; /* Check particular section/manual conventions. */ if (mdoc->meta.msec == NULL) return; goodsec = NULL; switch (sec) { case SEC_ERRORS: if (*mdoc->meta.msec == '4') break; goodsec = "2, 3, 4, 9"; /* FALLTHROUGH */ case SEC_RETURN_VALUES: case SEC_LIBRARY: if (*mdoc->meta.msec == '2') break; if (*mdoc->meta.msec == '3') break; if (NULL == goodsec) goodsec = "2, 3, 9"; /* FALLTHROUGH */ case SEC_CONTEXT: if (*mdoc->meta.msec == '9') break; if (NULL == goodsec) goodsec = "9"; mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse, mdoc->last->line, mdoc->last->pos, "Sh %s for %s only", secnames[sec], goodsec); break; default: break; } } static void post_ignpar(POST_ARGS) { struct roff_node *np; switch (mdoc->last->type) { case ROFFT_HEAD: post_hyph(mdoc); return; case ROFFT_BODY: break; default: return; } if ((np = mdoc->last->child) != NULL) if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) { mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, np->line, np->pos, "%s after %s", mdoc_macronames[np->tok], mdoc_macronames[mdoc->last->tok]); roff_node_delete(mdoc, np); } if ((np = mdoc->last->last) != NULL) if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) { mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, np->line, np->pos, "%s at the end of %s", mdoc_macronames[np->tok], mdoc_macronames[mdoc->last->tok]); roff_node_delete(mdoc, np); } } static void post_prevpar(POST_ARGS) { struct roff_node *n; 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'. */ if (n->prev->tok != MDOC_Pp && n->prev->tok != MDOC_Lp && n->prev->tok != MDOC_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, n->prev->line, n->prev->pos, "%s before %s", mdoc_macronames[n->prev->tok], mdoc_macronames[n->tok]); roff_node_delete(mdoc, n->prev); } static void post_par(POST_ARGS) { struct roff_node *np; np = mdoc->last; if (np->tok != MDOC_br && np->tok != MDOC_sp) post_prevpar(mdoc); if (np->tok == MDOC_sp) { if (np->child != NULL && np->child->next != NULL) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, np->child->next->line, np->child->next->pos, "sp ... %s", np->child->next->string); } else if (np->child != NULL) mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, np->line, np->pos, "%s %s", mdoc_macronames[np->tok], np->child->string); if ((np = mdoc->last->prev) == NULL) { np = mdoc->last->parent; if (np->tok != MDOC_Sh && np->tok != MDOC_Ss) return; } else if (np->tok != MDOC_Pp && np->tok != MDOC_Lp && (mdoc->last->tok != MDOC_br || (np->tok != MDOC_sp && np->tok != MDOC_br))) return; mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse, mdoc->last->line, mdoc->last->pos, "%s after %s", mdoc_macronames[mdoc->last->tok], mdoc_macronames[np->tok]); roff_node_delete(mdoc, mdoc->last); } static void post_dd(POST_ARGS) { struct roff_node *n; char *datestr; n = mdoc->last; if (mdoc->meta.date != NULL) { mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, n->line, n->pos, "Dd"); free(mdoc->meta.date); } else if (mdoc->flags & MDOC_PBODY) mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse, n->line, n->pos, "Dd"); else if (mdoc->meta.title != NULL) mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, n->line, n->pos, "Dd after Dt"); else if (mdoc->meta.os != NULL) mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, n->line, n->pos, "Dd after Os"); if (n->child == NULL || n->child->string[0] == '\0') { mdoc->meta.date = mdoc->quick ? mandoc_strdup("") : mandoc_normdate(mdoc->parse, NULL, n->line, n->pos); goto out; } datestr = NULL; deroff(&datestr, n); if (mdoc->quick) mdoc->meta.date = datestr; else { mdoc->meta.date = mandoc_normdate(mdoc->parse, datestr, n->line, n->pos); free(datestr); } out: roff_node_delete(mdoc, n); } static void post_dt(POST_ARGS) { struct roff_node *nn, *n; const char *cp; char *p; n = mdoc->last; if (mdoc->flags & MDOC_PBODY) { mandoc_msg(MANDOCERR_DT_LATE, mdoc->parse, n->line, n->pos, "Dt"); goto out; } if (mdoc->meta.title != NULL) mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, n->line, n->pos, "Dt"); else if (mdoc->meta.os != NULL) mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse, n->line, n->pos, "Dt after Os"); free(mdoc->meta.title); free(mdoc->meta.msec); free(mdoc->meta.vol); free(mdoc->meta.arch); mdoc->meta.title = NULL; mdoc->meta.msec = NULL; mdoc->meta.vol = NULL; mdoc->meta.arch = NULL; /* Mandatory first argument: title. */ nn = n->child; if (nn == NULL || *nn->string == '\0') { mandoc_msg(MANDOCERR_DT_NOTITLE, mdoc->parse, n->line, n->pos, "Dt"); mdoc->meta.title = mandoc_strdup("UNTITLED"); } else { mdoc->meta.title = mandoc_strdup(nn->string); /* Check that all characters are uppercase. */ for (p = nn->string; *p != '\0'; p++) if (islower((unsigned char)*p)) { mandoc_vmsg(MANDOCERR_TITLE_CASE, mdoc->parse, nn->line, nn->pos + (p - nn->string), "Dt %s", nn->string); break; } } /* Mandatory second argument: section. */ if (nn != NULL) nn = nn->next; if (nn == NULL) { mandoc_vmsg(MANDOCERR_MSEC_MISSING, mdoc->parse, n->line, n->pos, "Dt %s", mdoc->meta.title); mdoc->meta.vol = mandoc_strdup("LOCAL"); goto out; /* msec and arch remain NULL. */ } mdoc->meta.msec = mandoc_strdup(nn->string); /* Infer volume title from section number. */ cp = mandoc_a2msec(nn->string); if (cp == NULL) { mandoc_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse, nn->line, nn->pos, "Dt ... %s", nn->string); mdoc->meta.vol = mandoc_strdup(nn->string); } else mdoc->meta.vol = mandoc_strdup(cp); /* Optional third argument: architecture. */ if ((nn = nn->next) == NULL) goto out; for (p = nn->string; *p != '\0'; p++) *p = tolower((unsigned char)*p); mdoc->meta.arch = mandoc_strdup(nn->string); /* Ignore fourth and later arguments. */ if ((nn = nn->next) != NULL) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, nn->line, nn->pos, "Dt ... %s", nn->string); out: roff_node_delete(mdoc, n); } static void post_bx(POST_ARGS) { struct roff_node *n; /* * Make `Bx's second argument always start with an uppercase * letter. Groff checks if it's an "accepted" term, but we just * uppercase blindly. */ if ((n = mdoc->last->child) != NULL && (n = n->next) != NULL) *n->string = (char)toupper((unsigned char)*n->string); } static void post_os(POST_ARGS) { #ifndef OSNAME struct utsname utsname; static char *defbuf; #endif struct roff_node *n; n = mdoc->last; if (mdoc->meta.os != NULL) mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, n->line, n->pos, "Os"); else if (mdoc->flags & MDOC_PBODY) mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse, n->line, n->pos, "Os"); /* * Set the operating system by way of the `Os' macro. * The order of precedence is: * 1. the argument of the `Os' macro, unless empty * 2. the -Ios=foo command line argument, if provided * 3. -DOSNAME="\"foo\"", if provided during compilation * 4. "sysname release" from uname(3) */ free(mdoc->meta.os); mdoc->meta.os = NULL; deroff(&mdoc->meta.os, n); if (mdoc->meta.os) goto out; if (mdoc->defos) { mdoc->meta.os = mandoc_strdup(mdoc->defos); goto out; } #ifdef OSNAME mdoc->meta.os = mandoc_strdup(OSNAME); #else /*!OSNAME */ if (defbuf == NULL) { if (uname(&utsname) == -1) { mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse, n->line, n->pos, "Os"); defbuf = mandoc_strdup("UNKNOWN"); } else mandoc_asprintf(&defbuf, "%s %s", utsname.sysname, utsname.release); } mdoc->meta.os = mandoc_strdup(defbuf); #endif /*!OSNAME*/ out: roff_node_delete(mdoc, n); } /* * If no argument is provided, * fill in the name of the current manual page. */ static void post_ex(POST_ARGS) { struct roff_node *n; post_std(mdoc); n = mdoc->last; if (n->child != NULL) return; if (mdoc->meta.name == NULL) { mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse, n->line, n->pos, "Ex"); return; } mdoc->next = ROFF_NEXT_CHILD; roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name); mdoc->last = n; } enum roff_sec mdoc_a2sec(const char *p) { int i; for (i = 0; i < (int)SEC__MAX; i++) if (secnames[i] && 0 == strcmp(p, secnames[i])) return (enum roff_sec)i; return SEC_CUSTOM; } static size_t macro2len(int macro) { switch (macro) { case MDOC_Ad: return 12; case MDOC_Ao: return 12; case MDOC_An: return 12; case MDOC_Aq: return 12; case MDOC_Ar: return 12; case MDOC_Bo: return 12; case MDOC_Bq: return 12; case MDOC_Cd: return 12; case MDOC_Cm: return 10; case MDOC_Do: return 10; case MDOC_Dq: return 12; case MDOC_Dv: return 12; case MDOC_Eo: return 12; case MDOC_Em: return 10; case MDOC_Er: return 17; case MDOC_Ev: return 15; case MDOC_Fa: return 12; case MDOC_Fl: return 10; case MDOC_Fo: return 16; case MDOC_Fn: return 16; case MDOC_Ic: return 10; case MDOC_Li: return 16; case MDOC_Ms: return 6; case MDOC_Nm: return 10; case MDOC_No: return 12; case MDOC_Oo: return 10; case MDOC_Op: return 14; case MDOC_Pa: return 32; case MDOC_Pf: return 12; case MDOC_Po: return 12; case MDOC_Pq: return 12; case MDOC_Ql: return 16; case MDOC_Qo: return 12; case MDOC_So: return 12; case MDOC_Sq: return 12; case MDOC_Sy: return 6; case MDOC_Sx: return 16; case MDOC_Tn: return 10; case MDOC_Va: return 12; case MDOC_Vt: return 12; case MDOC_Xr: return 10; default: break; }; return 0; }