/* $OpenBSD: mdoc_validate.c,v 1.199 2015/02/23 13:54:39 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons * Copyright (c) 2010-2015 Ingo Schwarze * Copyright (c) 2010 Joerg Sonnenberger * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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 #ifndef OSNAME #include #endif #include #include #include #include #include #include #include #include "mdoc.h" #include "mandoc.h" #include "mandoc_aux.h" #include "libmdoc.h" #include "libmandoc.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 enum check_ineq { CHECK_LT, CHECK_GT, CHECK_EQ }; typedef void (*v_pre)(PRE_ARGS); typedef void (*v_post)(POST_ARGS); struct valids { v_pre pre; v_post post; }; 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 int child_an(const struct mdoc_node *); static enum mdoc_sec a2sec(const char *); static size_t macro2len(enum mdoct); static void rewrite_macro2len(char **); static void post_an(POST_ARGS); static void post_at(POST_ARGS); static void post_bf(POST_ARGS); static void post_bk(POST_ARGS); static void post_bl(POST_ARGS); static void post_bl_block(POST_ARGS); static void post_bl_block_tag(POST_ARGS); static void post_bl_head(POST_ARGS); static void post_bx(POST_ARGS); static void post_d1(POST_ARGS); static void post_defaults(POST_ARGS); static void post_dd(POST_ARGS); static void post_dt(POST_ARGS); static void post_en(POST_ARGS); static void post_es(POST_ARGS); static void post_eoln(POST_ARGS); static void post_ex(POST_ARGS); static void post_fa(POST_ARGS); static void post_fn(POST_ARGS); static void post_fname(POST_ARGS); static void post_fo(POST_ARGS); static void post_hyph(POST_ARGS); static void post_ignpar(POST_ARGS); static void post_it(POST_ARGS); static void post_lb(POST_ARGS); static void post_literal(POST_ARGS); static void post_nd(POST_ARGS); static void post_nm(POST_ARGS); static void post_ns(POST_ARGS); static void post_os(POST_ARGS); static void post_par(POST_ARGS); static void post_root(POST_ARGS); static void post_rs(POST_ARGS); static void post_sh(POST_ARGS); static void post_sh_head(POST_ARGS); static void post_sh_name(POST_ARGS); static void post_sh_see_also(POST_ARGS); static void post_sh_authors(POST_ARGS); static void post_sm(POST_ARGS); static void post_st(POST_ARGS); static void post_vt(POST_ARGS); static void pre_an(PRE_ARGS); static void pre_bd(PRE_ARGS); static void pre_bl(PRE_ARGS); static void pre_dd(PRE_ARGS); static void pre_display(PRE_ARGS); static void pre_dt(PRE_ARGS); static void pre_literal(PRE_ARGS); static void pre_obsolete(PRE_ARGS); static void pre_os(PRE_ARGS); static void pre_par(PRE_ARGS); static void pre_std(PRE_ARGS); static const struct valids mdoc_valids[MDOC_MAX] = { { NULL, NULL }, /* Ap */ { pre_dd, post_dd }, /* Dd */ { pre_dt, post_dt }, /* Dt */ { pre_os, post_os }, /* Os */ { NULL, post_sh }, /* Sh */ { NULL, post_ignpar }, /* Ss */ { pre_par, post_par }, /* Pp */ { pre_display, post_d1 }, /* D1 */ { pre_literal, post_literal }, /* Dl */ { pre_bd, post_literal }, /* Bd */ { NULL, NULL }, /* Ed */ { pre_bl, post_bl }, /* Bl */ { NULL, NULL }, /* El */ { pre_par, post_it }, /* It */ { NULL, NULL }, /* Ad */ { pre_an, post_an }, /* An */ { NULL, post_defaults }, /* Ar */ { NULL, NULL }, /* Cd */ { NULL, NULL }, /* Cm */ { NULL, NULL }, /* Dv */ { NULL, NULL }, /* Er */ { NULL, NULL }, /* Ev */ { pre_std, post_ex }, /* Ex */ { NULL, post_fa }, /* Fa */ { NULL, NULL }, /* Fd */ { NULL, NULL }, /* Fl */ { NULL, post_fn }, /* Fn */ { NULL, NULL }, /* Ft */ { NULL, NULL }, /* Ic */ { NULL, NULL }, /* In */ { NULL, post_defaults }, /* Li */ { NULL, post_nd }, /* Nd */ { NULL, post_nm }, /* Nm */ { NULL, NULL }, /* Op */ { pre_obsolete, NULL }, /* Ot */ { NULL, post_defaults }, /* Pa */ { pre_std, NULL }, /* Rv */ { NULL, post_st }, /* St */ { NULL, NULL }, /* Va */ { NULL, post_vt }, /* Vt */ { NULL, NULL }, /* Xr */ { NULL, NULL }, /* %A */ { NULL, post_hyph }, /* %B */ /* FIXME: can be used outside Rs/Re. */ { NULL, NULL }, /* %D */ { NULL, NULL }, /* %I */ { NULL, NULL }, /* %J */ { NULL, post_hyph }, /* %N */ { NULL, post_hyph }, /* %O */ { NULL, NULL }, /* %P */ { NULL, post_hyph }, /* %R */ { NULL, post_hyph }, /* %T */ /* FIXME: can be used outside Rs/Re. */ { NULL, NULL }, /* %V */ { NULL, NULL }, /* Ac */ { NULL, NULL }, /* Ao */ { NULL, NULL }, /* Aq */ { NULL, post_at }, /* At */ { NULL, NULL }, /* Bc */ { NULL, post_bf }, /* Bf */ { NULL, NULL }, /* Bo */ { NULL, NULL }, /* Bq */ { NULL, NULL }, /* Bsx */ { NULL, post_bx }, /* Bx */ { pre_obsolete, NULL }, /* 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, NULL }, /* No */ { NULL, post_ns }, /* Ns */ { NULL, NULL }, /* Nx */ { NULL, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ { NULL, NULL }, /* Pf */ { NULL, NULL }, /* Po */ { NULL, NULL }, /* Pq */ { NULL, NULL }, /* Qc */ { NULL, NULL }, /* Ql */ { NULL, NULL }, /* Qo */ { NULL, NULL }, /* Qq */ { NULL, NULL }, /* Re */ { NULL, post_rs }, /* Rs */ { NULL, NULL }, /* Sc */ { NULL, NULL }, /* So */ { NULL, NULL }, /* Sq */ { NULL, post_sm }, /* Sm */ { NULL, post_hyph }, /* Sx */ { NULL, NULL }, /* Sy */ { NULL, NULL }, /* Tn */ { NULL, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ { NULL, post_fo }, /* Fo */ { NULL, NULL }, /* Fc */ { NULL, NULL }, /* Oo */ { NULL, NULL }, /* Oc */ { NULL, post_bk }, /* Bk */ { NULL, NULL }, /* Ek */ { NULL, post_eoln }, /* Bt */ { NULL, NULL }, /* Hf */ { pre_obsolete, NULL }, /* Fr */ { NULL, post_eoln }, /* Ud */ { NULL, post_lb }, /* Lb */ { pre_par, post_par }, /* Lp */ { NULL, NULL }, /* Lk */ { NULL, post_defaults }, /* Mt */ { NULL, NULL }, /* Brq */ { NULL, NULL }, /* Bro */ { NULL, NULL }, /* Brc */ { NULL, NULL }, /* %C */ { pre_obsolete, post_es }, /* Es */ { pre_obsolete, post_en }, /* En */ { NULL, NULL }, /* Dx */ { NULL, NULL }, /* %Q */ { NULL, post_par }, /* br */ { NULL, post_par }, /* sp */ { NULL, NULL }, /* %U */ { NULL, NULL }, /* Ta */ { NULL, NULL }, /* ll */ }; #define RSORD_MAX 14 /* Number of `Rs' blocks. */ static const enum mdoct rsord[RSORD_MAX] = { 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_valid_pre(struct mdoc *mdoc, struct mdoc_node *n) { v_pre p; switch (n->type) { case MDOC_TEXT: if (n->sec != SEC_SYNOPSIS || n->parent->tok != MDOC_Fd) check_text(mdoc, n->line, n->pos, n->string); /* FALLTHROUGH */ case MDOC_TBL: /* FALLTHROUGH */ case MDOC_EQN: /* FALLTHROUGH */ case MDOC_ROOT: return; default: break; } check_args(mdoc, n); p = mdoc_valids[n->tok].pre; if (*p) (*p)(mdoc, n); } void mdoc_valid_post(struct mdoc *mdoc) { struct mdoc_node *n; v_post p; n = mdoc->last; if (n->flags & MDOC_VALID) return; n->flags |= MDOC_VALID | MDOC_ENDED; switch (n->type) { case MDOC_TEXT: /* FALLTHROUGH */ case MDOC_EQN: /* FALLTHROUGH */ case MDOC_TBL: break; case MDOC_ROOT: post_root(mdoc); break; default: /* * 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].post; if (*p) (*p)(mdoc); break; } } static void check_args(struct mdoc *mdoc, struct mdoc_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 mdoc *mdoc, struct mdoc_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 mdoc *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 pre_display(PRE_ARGS) { struct mdoc_node *node; if (MDOC_BLOCK != n->type) return; for (node = mdoc->last->parent; node; node = node->parent) if (MDOC_BLOCK == node->type) if (MDOC_Bd == node->tok) break; if (node) mandoc_vmsg(MANDOCERR_BD_NEST, mdoc->parse, n->line, n->pos, "%s in Bd", mdoc_macronames[n->tok]); } static void pre_bl(PRE_ARGS) { struct mdoc_argv *argv, *wa; int i; enum mdocargt mdoclt; enum mdoc_list lt; if (n->type != MDOC_BLOCK) return; /* * 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; } /* * 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: /* 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]); break; case LIST_bullet: /* FALLTHROUGH */ case LIST_dash: /* FALLTHROUGH */ 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; } pre_par(mdoc, n); } static void pre_bd(PRE_ARGS) { struct mdoc_argv *argv; int i; enum mdoc_disp dt; pre_literal(mdoc, n); if (n->type != MDOC_BLOCK) return; 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(); /* NOTREACHED */ } 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; } pre_par(mdoc, n); } static void pre_an(PRE_ARGS) { struct mdoc_argv *argv; size_t i; 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 pre_std(PRE_ARGS) { if (n->args && 1 == n->args->argc) if (MDOC_Std == n->args->argv[0].arg) return; mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); } static void pre_obsolete(PRE_ARGS) { if (MDOC_ELEM == n->type || MDOC_BLOCK == n->type) mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); } static void pre_dt(PRE_ARGS) { 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"); } static void pre_os(PRE_ARGS) { 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"); } static void pre_dd(PRE_ARGS) { if (mdoc->meta.date != NULL) mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse, n->line, n->pos, "Dd"); 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"); } static void post_bf(POST_ARGS) { struct mdoc_node *np, *nch; enum mdocargt arg; /* * Unlike other data pointers, these are "housed" by the HEAD * element, which contains the goods. */ np = mdoc->last; if (MDOC_HEAD != np->type) return; assert(MDOC_BLOCK == np->parent->type); assert(MDOC_Bf == np->parent->tok); /* Check the number of arguments. */ nch = np->child; if (NULL == np->parent->args) { if (NULL == nch) { mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse, np->line, np->pos, "Bf"); return; } nch = nch->next; } if (NULL != nch) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, 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) np->norm->Bf.font = FONT_Em; else if (MDOC_Literal == arg) np->norm->Bf.font = FONT_Li; else if (MDOC_Symbolic == arg) np->norm->Bf.font = FONT_Sy; else abort(); return; } /* Extract parameter into data. */ if (0 == strcmp(np->child->string, "Em")) np->norm->Bf.font = FONT_Em; else if (0 == strcmp(np->child->string, "Li")) np->norm->Bf.font = FONT_Li; else if (0 == 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 mdoc_node *n; char *libname; n = mdoc->last->child; assert(MDOC_TEXT == n->type); mandoc_asprintf(&libname, "library \\(Lq%s\\(Rq", n->string); free(n->string); n->string = libname; } static void post_eoln(POST_ARGS) { const struct mdoc_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); } static void post_fname(POST_ARGS) { const struct mdoc_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 mdoc_node *n; n = mdoc->last; if (n->type != MDOC_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) mdoc_node_delete(mdoc, n->last); } post_fname(mdoc); } static void post_fa(POST_ARGS) { const struct mdoc_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_vt(POST_ARGS) { const struct mdoc_node *n; /* * 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 (MDOC_BODY != mdoc->last->type) return; 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_nm(POST_ARGS) { struct mdoc_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 (NULL != mdoc->meta.name) return; mdoc_deroff(&mdoc->meta.name, n); if (NULL == mdoc->meta.name) mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse, n->line, n->pos, "Nm"); } static void post_nd(POST_ARGS) { struct mdoc_node *n; n = mdoc->last; if (n->type != MDOC_BODY) return; if (n->child == NULL) mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse, n->line, n->pos, "Nd"); post_hyph(mdoc); } static void post_d1(POST_ARGS) { struct mdoc_node *n; n = mdoc->last; if (n->type != MDOC_BODY) return; if (n->child == NULL) mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, n->line, n->pos, "D1"); post_hyph(mdoc); } static void post_literal(POST_ARGS) { struct mdoc_node *n; n = mdoc->last; if (n->type != MDOC_BODY) return; if (n->child == NULL) mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, n->line, n->pos, mdoc_macronames[n->tok]); if (n->tok == MDOC_Bd && n->norm->Bd.type != DISP_literal && n->norm->Bd.type != DISP_unfilled) return; mdoc->flags &= ~MDOC_LITERAL; } static void post_defaults(POST_ARGS) { struct mdoc_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) return; nn = mdoc->last; mdoc->next = MDOC_NEXT_CHILD; switch (nn->tok) { case MDOC_Ar: mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"); mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."); break; case MDOC_Pa: /* FALLTHROUGH */ case MDOC_Mt: mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"); break; default: abort(); /* NOTREACHED */ } mdoc->last = nn; } static void post_at(POST_ARGS) { struct mdoc_node *n; const char *std_att; char *att; n = mdoc->last; if (n->child == NULL) { mdoc->next = MDOC_NEXT_CHILD; mdoc_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(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); } else att = mandoc_strdup(std_att); free(n->string); n->string = att; } static void post_an(POST_ARGS) { struct mdoc_node *np, *nch; 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) { if (MDOC_BLOCK == mdoc->last->type) mdoc->last->norm->Es = mdoc->last_es; } static void post_es(POST_ARGS) { mdoc->last_es = mdoc->last; } static void post_it(POST_ARGS) { int i, cols; enum mdoc_list lt; struct mdoc_node *nbl, *nit, *nch; nit = mdoc->last; if (nit->type != MDOC_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 (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: /* FALLTHROUGH */ case LIST_dash: /* FALLTHROUGH */ case LIST_enum: /* FALLTHROUGH */ 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 (nit->head->child != NULL) mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, nit->line, nit->pos, "It %s", nit->head->child->string); break; case LIST_column: cols = (int)nbl->norm->Bl.ncols; assert(nit->head->child == NULL); for (i = 0, nch = nit->child; nch; nch = nch->next) if (nch->type == MDOC_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 mdoc_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). */ n = mdoc->last; if (LIST_tag == n->norm->Bl.type && NULL == n->norm->Bl.width) { post_bl_block_tag(mdoc); assert(n->norm->Bl.width); } for (ni = n->body->child; ni; ni = ni->next) { if (NULL == ni->body) continue; nc = ni->body->last; while (NULL != nc) { switch (nc->tok) { case MDOC_Pp: /* FALLTHROUGH */ case MDOC_Lp: /* FALLTHROUGH */ case MDOC_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]); mdoc_node_relink(mdoc, nc); } 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); } 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; enum mdoct tok; if (*arg == NULL) return; else if ( ! strcmp(*arg, "Ds")) width = 6; else if ((tok = mdoc_hash_find(*arg)) == MDOC_MAX) return; else width = macro2len(tok); free(*arg); mandoc_asprintf(arg, "%zun", width); } static void post_bl_block_tag(POST_ARGS) { struct mdoc_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; 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; } 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); i = (int)(n->args->argc)++; n->args->argv = mandoc_reallocarray(n->args->argv, n->args->argc, sizeof(struct mdoc_argv)); n->args->argv[i].arg = MDOC_Width; n->args->argv[i].line = n->line; n->args->argv[i].pos = n->pos; n->args->argv[i].sz = 1; n->args->argv[i].value = mandoc_malloc(sizeof(char *)); n->args->argv[i].value[0] = mandoc_strdup(buf); /* Set our width! */ n->norm->Bl.width = n->args->argv[i].value[0]; } static void post_bl_head(POST_ARGS) { struct mdoc_node *nbl, *nh, *nch, *nnext; struct mdoc_argv *argv; int i, j; 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) { mdoc_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; argv->sz += nh->nchild; 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; mdoc_node_delete(NULL, nch); } nh->nchild = 0; nh->child = NULL; } 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 */ nbody = mdoc->last; switch (nbody->type) { case MDOC_BLOCK: post_bl_block(mdoc); return; case MDOC_HEAD: post_bl_head(mdoc); return; case MDOC_BODY: break; default: 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(NULL == nchild->prev); if (0 == --nbody->nchild) { nbody->child = NULL; nbody->last = NULL; assert(NULL == nnext); } else { nbody->child = nnext; nnext->prev = NULL; } /* * Relink this child. */ nchild->parent = nparent; nchild->prev = nprev; nchild->next = nblock; nblock->prev = nchild; nparent->nchild++; if (NULL == nprev) nparent->child = nchild; else nprev->next = nchild; nchild = nnext; } } static void post_bk(POST_ARGS) { struct mdoc_node *n; n = mdoc->last; if (n->type == MDOC_BLOCK && n->body->child == NULL) { mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse, n->line, n->pos, "Bk"); mdoc_node_delete(mdoc, n); } } static void post_sm(struct mdoc *mdoc) { struct mdoc_node *nch; nch = mdoc->last->child; if (nch == NULL) { mdoc->flags ^= MDOC_SMOFF; return; } assert(nch->type == MDOC_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 mdoc_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 && 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 mdoc_node *n, *nch; const char *p; n = mdoc->last; nch = n->child; assert(MDOC_TEXT == nch->type); 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); } } static void post_rs(POST_ARGS) { struct mdoc_node *np, *nch, *next, *prev; int i, j; np = mdoc->last; if (np->type != MDOC_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 mdoc_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 mdoc_node *nch; char *cp; for (nch = mdoc->last->child; nch != NULL; nch = nch->next) { if (nch->type != MDOC_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_LINE & mdoc->last->flags) 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 MDOC_HEAD: post_sh_head(mdoc); break; case MDOC_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 mdoc_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 MDOC_MAX: 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 mdoc_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->nchild < 2) 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 != MDOC_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 mdoc_node *n) { for (n = n->child; n != NULL; n = n->next) if ((n->tok == MDOC_An && n->nchild) || child_an(n)) return(1); return(0); } static void post_sh_authors(POST_ARGS) { 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) { struct mdoc_node *n; const char *goodsec; char *secname; enum mdoc_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. */ secname = NULL; sec = SEC_CUSTOM; mdoc_deroff(&secname, mdoc->last); sec = NULL == secname ? SEC_CUSTOM : a2sec(secname); /* 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); /* The SYNOPSIS gets special attention in other areas. */ if (SEC_SYNOPSIS == sec) { 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; /* * 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; } /* * 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", secname); if (sec < mdoc->lastnamed) mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse, mdoc->last->line, mdoc->last->pos, "Sh %s", secname); /* Mark the last named section. */ mdoc->lastnamed = sec; /* Check particular section/manual conventions. */ if (mdoc->meta.msec == NULL) { free(secname); return; } goodsec = NULL; switch (sec) { case SEC_ERRORS: if (*mdoc->meta.msec == '4') break; goodsec = "2, 3, 4, 9"; /* FALLTHROUGH */ case SEC_RETURN_VALUES: /* FALLTHROUGH */ 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", secname, goodsec); break; default: break; } free(secname); } static void post_ignpar(POST_ARGS) { struct mdoc_node *np; switch (mdoc->last->type) { case MDOC_HEAD: post_hyph(mdoc); return; case MDOC_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 (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); } } static void pre_par(PRE_ARGS) { if (NULL == mdoc->last) return; if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type) return; /* * Don't allow prior `Lp' or `Pp' prior to a paragraph-type * block: `Lp', `Pp', or non-compact `Bd' or `Bl'. */ if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok && MDOC_br != mdoc->last->tok) return; if (MDOC_Bl == n->tok && n->norm->Bl.comp) return; if (MDOC_Bd == n->tok && n->norm->Bd.comp) return; if (MDOC_It == n->tok && n->parent->norm->Bl.comp) return; 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); } static void post_par(POST_ARGS) { struct mdoc_node *np; np = mdoc->last; if (np->tok == MDOC_sp) { if (np->nchild > 1) mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse, np->child->next->line, np->child->next->pos, "sp ... %s", np->child->next->string); } else if (np->child != NULL) mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, np->line, np->pos, "%s %s", mdoc_macronames[np->tok], np->child->string); if (NULL == (np = mdoc->last->prev)) { np = mdoc->last->parent; if (MDOC_Sh != np->tok && MDOC_Ss != np->tok) return; } else if (MDOC_Pp != np->tok && MDOC_Lp != np->tok && (MDOC_br != mdoc->last->tok || (MDOC_sp != np->tok && MDOC_br != np->tok))) 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]); mdoc_node_delete(mdoc, mdoc->last); } static void pre_literal(PRE_ARGS) { pre_display(mdoc, n); if (MDOC_BODY != n->type) return; /* * 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 */ } } static void post_dd(POST_ARGS) { struct mdoc_node *n; char *datestr; if (mdoc->meta.date) free(mdoc->meta.date); n = mdoc->last; if (NULL == n->child || '\0' == n->child->string[0]) { mdoc->meta.date = mdoc->quick ? mandoc_strdup("") : mandoc_normdate(mdoc->parse, NULL, n->line, n->pos); goto out; } datestr = NULL; mdoc_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: mdoc_node_delete(mdoc, n); } static void post_dt(POST_ARGS) { struct mdoc_node *nn, *n; const char *cp; char *p; n = mdoc->last; 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: mdoc_node_delete(mdoc, n); } static void post_bx(POST_ARGS) { struct mdoc_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. */ n = mdoc->last->child; if (n && NULL != (n = n->next)) *n->string = (char)toupper((unsigned char)*n->string); } static void post_os(POST_ARGS) { #ifndef OSNAME struct utsname utsname; static char *defbuf; #endif struct mdoc_node *n; n = mdoc->last; /* * 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; mdoc_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 (NULL == defbuf) { if (-1 == uname(&utsname)) { 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: mdoc_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 mdoc_node *n; n = mdoc->last; if (n->child) return; if (mdoc->meta.name == NULL) { mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse, n->line, n->pos, "Ex"); return; } mdoc->next = MDOC_NEXT_CHILD; mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name); mdoc->last = n; } static enum mdoc_sec 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(SEC_CUSTOM); } static size_t macro2len(enum mdoct 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); }