]> git.cameronkatri.com Git - mandoc.git/blobdiff - mdoc_validate.c
Note discarding of \m, \M, and \s in COMPATIBILITY sections.
[mandoc.git] / mdoc_validate.c
index e50835709850420f31f5602b51bb38bae7609140..256f0fe8e7eb07020349aac3384fad6ba9e568d0 100644 (file)
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_validate.c,v 1.101 2010/06/27 17:53:27 schwarze Exp $ */
+/*     $Id: mdoc_validate.c,v 1.110 2010/07/13 23:53:20 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -154,7 +154,7 @@ const       struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, posts_notext },                 /* Pp */ 
        { pres_d1, posts_wline },               /* D1 */
        { pres_d1, posts_wline },               /* Dl */
-       { pres_bd, posts_bd_bk },                       /* Bd */
+       { pres_bd, posts_bd_bk },               /* Bd */
        { NULL, NULL },                         /* Ed */
        { pres_bl, posts_bl },                  /* Bl */ 
        { NULL, NULL },                         /* El */
@@ -458,6 +458,11 @@ check_text(struct mdoc *mdoc, int line, int pos, char *p)
 {
        int              c;
 
+       /* 
+        * FIXME: we absolutely cannot let \b get through or it will
+        * destroy some assumptions in terms of format.
+        */
+
        for ( ; *p; p++, pos++) {
                if ('\t' == *p) {
                        if ( ! (MDOC_LITERAL & mdoc->flags))
@@ -532,17 +537,23 @@ pre_display(PRE_ARGS)
 static int
 pre_bl(PRE_ARGS)
 {
-       int              i, comp, dup;
-       const char      *offs, *width;
-       enum mdoc_list   lt;
+       int               i, comp, dup;
+       const char       *offs, *width;
+       enum mdoc_list    lt;
+       struct mdoc_node *np;
 
        if (MDOC_BLOCK != n->type) {
-               assert(n->parent);
-               assert(MDOC_BLOCK == n->parent->type);
-               assert(MDOC_Bl == n->parent->tok);
-               assert(LIST__NONE != n->parent->data.Bl.type);
-               memcpy(&n->data.Bl, &n->parent->data.Bl,
-                               sizeof(struct mdoc_bl));
+               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_Bl == np->tok);
+               assert(np->data.Bl);
+               n->data.Bl = np->data.Bl;
                return(1);
        }
 
@@ -552,7 +563,8 @@ pre_bl(PRE_ARGS)
         * ones.  If we find no list type, we default to LIST_item.
         */
 
-       assert(LIST__NONE == n->data.Bl.type);
+       assert(NULL == n->data.Bl);
+       n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));
 
        /* LINTED */
        for (i = 0; n->args && i < (int)n->args->argc; i++) {
@@ -596,18 +608,18 @@ pre_bl(PRE_ARGS)
                        break;
                /* Set list arguments. */
                case (MDOC_Compact):
-                       dup = n->data.Bl.comp;
+                       dup = n->data.Bl->comp;
                        comp = 1;
                        break;
                case (MDOC_Width):
-                       dup = (NULL != n->data.Bl.width);
+                       dup = (NULL != n->data.Bl->width);
                        width = n->args->argv[i].value[0];
                        break;
                case (MDOC_Offset):
                        /* NB: this can be empty! */
                        if (n->args->argv[i].sz) {
                                offs = n->args->argv[i].value[0];
-                               dup = (NULL != n->data.Bl.offs);
+                               dup = (NULL != n->data.Bl->offs);
                                break;
                        }
                        if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
@@ -621,29 +633,37 @@ pre_bl(PRE_ARGS)
                        return(0);
 
                if (comp && ! dup)
-                       n->data.Bl.comp = comp;
+                       n->data.Bl->comp = comp;
                if (offs && ! dup)
-                       n->data.Bl.offs = offs;
+                       n->data.Bl->offs = offs;
                if (width && ! dup)
-                       n->data.Bl.width = width;
+                       n->data.Bl->width = width;
 
                /* Check: multiple list types. */
 
-               if (LIST__NONE != lt && n->data.Bl.type != LIST__NONE)
+               if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
                        if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
                                return(0);
 
                /* Assign list type. */
 
-               if (LIST__NONE != lt && n->data.Bl.type == LIST__NONE)
-                       n->data.Bl.type = lt;
+               if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
+                       n->data.Bl->type = lt;
+                       /* Set column information, too. */
+                       if (LIST_column == lt) {
+                               n->data.Bl->ncols = 
+                                       n->args->argv[i].sz;
+                               n->data.Bl->cols = (const char **)
+                                       n->args->argv[i].value;
+                       }
+               }
 
                /* The list type should come first. */
 
-               if (n->data.Bl.type == LIST__NONE)
-                       if (n->data.Bl.width || 
-                                       n->data.Bl.offs || 
-                                       n->data.Bl.comp)
+               if (n->data.Bl->type == LIST__NONE)
+                       if (n->data.Bl->width || 
+                                       n->data.Bl->offs || 
+                                       n->data.Bl->comp)
                                if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
                                        return(0);
 
@@ -652,10 +672,10 @@ pre_bl(PRE_ARGS)
 
        /* Allow lists to default to LIST_item. */
 
-       if (LIST__NONE == n->data.Bl.type) {
+       if (LIST__NONE == n->data.Bl->type) {
                if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
                        return(0);
-               n->data.Bl.type = LIST_item;
+               n->data.Bl->type = LIST_item;
        }
 
        /* 
@@ -664,9 +684,9 @@ pre_bl(PRE_ARGS)
         * and must also be warned.
         */
 
-       switch (n->data.Bl.type) {
+       switch (n->data.Bl->type) {
        case (LIST_tag):
-               if (n->data.Bl.width)
+               if (n->data.Bl->width)
                        break;
                if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
                        break;
@@ -680,7 +700,7 @@ pre_bl(PRE_ARGS)
        case (LIST_inset):
                /* FALLTHROUGH */
        case (LIST_item):
-               if (NULL == n->data.Bl.width)
+               if (NULL == n->data.Bl->width)
                        break;
                if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
                        break;
@@ -696,21 +716,28 @@ pre_bl(PRE_ARGS)
 static int
 pre_bd(PRE_ARGS)
 {
-       int              i, dup, comp;
-       enum mdoc_disp   dt;
-       const char      *offs;
+       int               i, dup, comp;
+       enum mdoc_disp    dt;
+       const char       *offs;
+       struct mdoc_node *np;
 
        if (MDOC_BLOCK != n->type) {
-               assert(n->parent);
-               assert(MDOC_BLOCK == n->parent->type);
-               assert(MDOC_Bd == n->parent->tok);
-               assert(DISP__NONE != n->parent->data.Bd.type);
-               memcpy(&n->data.Bd, &n->parent->data.Bd, 
-                               sizeof(struct mdoc_bd));
+               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);
+               assert(np->data.Bd);
+               n->data.Bd = np->data.Bd;
                return(1);
        }
 
-       assert(DISP__NONE == n->data.Bd.type);
+       assert(NULL == n->data.Bd);
+       n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));
 
        /* LINTED */
        for (i = 0; n->args && i < (int)n->args->argc; i++) {
@@ -741,7 +768,7 @@ pre_bd(PRE_ARGS)
                        /* NB: this can be empty! */
                        if (n->args->argv[i].sz) {
                                offs = n->args->argv[i].value[0];
-                               dup = (NULL != n->data.Bd.offs);
+                               dup = (NULL != n->data.Bd->offs);
                                break;
                        }
                        if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
@@ -749,7 +776,7 @@ pre_bd(PRE_ARGS)
                        break;
                case (MDOC_Compact):
                        comp = 1;
-                       dup = n->data.Bd.comp;
+                       dup = n->data.Bd->comp;
                        break;
                default:
                        abort();
@@ -764,26 +791,26 @@ pre_bd(PRE_ARGS)
                /* Make our auxiliary assignments. */
 
                if (offs && ! dup)
-                       n->data.Bd.offs = offs;
+                       n->data.Bd->offs = offs;
                if (comp && ! dup)
-                       n->data.Bd.comp = comp;
+                       n->data.Bd->comp = comp;
 
                /* Check whether a type has already been assigned. */
 
-               if (DISP__NONE != dt && n->data.Bd.type != DISP__NONE)
+               if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
                        if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
                                return(0);
 
                /* Make our type assignment. */
 
-               if (DISP__NONE != dt && n->data.Bd.type == DISP__NONE)
-                       n->data.Bd.type = dt;
+               if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE)
+                       n->data.Bd->type = dt;
        }
 
-       if (DISP__NONE == n->data.Bd.type) {
+       if (DISP__NONE == n->data.Bd->type) {
                if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
                        return(0);
-               n->data.Bd.type = DISP_ragged;
+               n->data.Bd->type = DISP_ragged;
        }
 
        return(1);
@@ -830,13 +857,20 @@ static int
 pre_an(PRE_ARGS)
 {
 
-       if (NULL == n->args || 1 == n->args->argc)
+       if (NULL == n->args)
                return(1);
-       mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT, 
-                               n->line, n->pos,
-                               "line arguments == 1 (have %d)",
-                               n->args->argc);
-       return(0);
+       if (n->args->argc > 1)
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGCOUNT))
+                       return(0);
+
+       if (MDOC_Split == n->args->argv[0].arg)
+               n->data.An.auth = AUTH_split;
+       else if (MDOC_Nosplit == n->args->argv[0].arg)
+               n->data.An.auth = AUTH_nosplit;
+       else
+               abort();
+
+       return(1);
 }
 
 
@@ -912,38 +946,74 @@ pre_dd(PRE_ARGS)
 static int
 post_bf(POST_ARGS)
 {
-       char             *p;
-       struct mdoc_node *head;
+       struct mdoc_node *np;
+       int               arg;
 
-       if (MDOC_BLOCK != mdoc->last->type)
+       /*
+        * 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);
+               assert(np->data.Bf);
+               mdoc->last->data.Bf = np->data.Bf;
                return(1);
+       }
 
-       head = mdoc->last->head;
+       np = mdoc->last;
+       assert(MDOC_BLOCK == np->parent->type);
+       assert(MDOC_Bf == np->parent->tok);
+       np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf));
 
-       if (mdoc->last->args && head->child) {
-               /* FIXME: this should provide a default. */
-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
-               return(0);
-       } else if (mdoc->last->args)
-               return(1);
+       /* 
+        * Cannot have both argument and parameter.
+        * If neither is specified, let it through with a warning. 
+        */
 
-       if (NULL == head->child || MDOC_TEXT != head->child->type) {
-               /* FIXME: this should provide a default. */
-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
+       if (np->parent->args && np->child) {
+               mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
                return(0);
+       } else if (NULL == np->parent->args && NULL == np->child)
+               return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE));
+
+       /* Extract argument into data. */
+       
+       if (np->parent->args) {
+               arg = np->parent->args->argv[0].arg;
+               if (MDOC_Emphasis == arg)
+                       np->data.Bf->font = FONT_Em;
+               else if (MDOC_Literal == arg)
+                       np->data.Bf->font = FONT_Li;
+               else if (MDOC_Symbolic == arg)
+                       np->data.Bf->font = FONT_Sy;
+               else
+                       abort();
+               return(1);
        }
 
-       p = head->child->string;
+       /* Extract parameter into data. */
 
-       if (0 == strcmp(p, "Em"))
-               return(1);
-       else if (0 == strcmp(p, "Li"))
-               return(1);
-       else if (0 == strcmp(p, "Sy"))
-               return(1);
+       if (0 == strcmp(np->child->string, "Em"))
+               np->data.Bf->font = FONT_Em;
+       else if (0 == strcmp(np->child->string, "Li"))
+               np->data.Bf->font = FONT_Li;
+       else if (0 == strcmp(np->child->string, "Sy"))
+               np->data.Bf->font = FONT_Sy;
+       else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE))
+               return(0);
 
-       mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
-       return(0);
+       return(1);
 }
 
 
@@ -1021,16 +1091,14 @@ post_at(POST_ARGS)
 static int
 post_an(POST_ARGS)
 {
+       struct mdoc_node *np;
 
-       if (mdoc->last->args) {
-               if (NULL == mdoc->last->child)
-                       return(1);
-               return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
-       }
-
-       if (mdoc->last->child)
+       np = mdoc->last;
+       if (AUTH__NONE != np->data.An.auth && np->child)
+               return(mdoc_nmsg(mdoc, np, MANDOCERR_ARGCOUNT));
+       if (AUTH__NONE != np->data.An.auth || np->child)
                return(1);
-       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
+       return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));
 }
 
 
@@ -1046,7 +1114,8 @@ post_it(POST_ARGS)
                return(1);
 
        n = mdoc->last->parent->parent;
-       lt = n->data.Bl.type;
+       assert(n->data.Bl);
+       lt = n->data.Bl->type;
 
        if (LIST__NONE == lt) {
                mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
@@ -1071,9 +1140,6 @@ post_it(POST_ARGS)
                if (NULL == mdoc->last->head->child)
                        if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
                                return(0);
-               if (NULL == mdoc->last->body->child)
-                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
-                               return(0);
                break;
        case (LIST_bullet):
                /* FALLTHROUGH */
@@ -1082,24 +1148,18 @@ post_it(POST_ARGS)
        case (LIST_enum):
                /* FALLTHROUGH */
        case (LIST_hyphen):
+               if (NULL == mdoc->last->body->child)
+                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
+                               return(0);
                /* FALLTHROUGH */
        case (LIST_item):
                if (mdoc->last->head->child)
                        if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
                                return(0);
-               if (NULL == mdoc->last->body->child)
-                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
-                               return(0);
                break;
        case (LIST_column):
-               cols = -1;
-               for (i = 0; i < (int)n->args->argc; i++)
-                       if (MDOC_Column == n->args->argv[i].arg) {
-                               cols = (int)n->args->argv[i].sz;
-                               break;
-                       }
+               cols = (int)n->data.Bl->ncols;
 
-               assert(-1 != cols);
                assert(NULL == mdoc->last->head->child);
 
                if (NULL == mdoc->last->body->child)
@@ -1138,13 +1198,8 @@ post_bl_head(POST_ARGS)
        assert(mdoc->last->parent);
        n = mdoc->last->parent;
 
-       if (LIST_column == n->data.Bl.type) {
-               for (i = 0; i < (int)n->args->argc; i++)
-                       if (MDOC_Column == n->args->argv[i].arg)
-                               break;
-               assert(i < (int)n->args->argc);
-
-               if (n->args->argv[i].sz && mdoc->last->nchild) {
+       if (LIST_column == n->data.Bl->type) {
+               if (n->data.Bl->ncols && mdoc->last->nchild) {
                        mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
                        return(0);
                }