-/* $Id: validate.c,v 1.40 2009/01/19 17:51:33 kristaps Exp $ */
+/* $Id: validate.c,v 1.49 2009/02/21 15:34:46 kristaps Exp $ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
#include "private.h"
+/*
+ * Pre- and post-validate macros as they're parsed. Pre-validation
+ * occurs when the macro has been detected and its arguments parsed.
+ * Post-validation occurs when all child macros have also been parsed.
+ * In the ELEMENT case, this is simply the parameters of the macro; in
+ * the BLOCK case, this is the HEAD, BODY, TAIL and so on.
+ */
+
typedef int (*v_pre)(struct mdoc *, struct mdoc_node *);
typedef int (*v_post)(struct mdoc *);
/* FIXME: some sections should only occur in specific msecs. */
/* FIXME: ignoring Pp. */
/* FIXME: math symbols. */
-/* FIXME: make sure prologue is complete. */
/* FIXME: valid character-escape checks. */
/* FIXME: make sure required sections are included (NAME, ...). */
/* Specific post-child-parse routines. */
static int herr_ge1(struct mdoc *);
-static int hwarn_ge1(struct mdoc *);
+static int herr_le1(struct mdoc *);
static int herr_eq0(struct mdoc *);
static int eerr_eq0(struct mdoc *);
static int eerr_le1(struct mdoc *);
static int ewarn_eq0(struct mdoc *);
static int ewarn_eq1(struct mdoc *);
static int bwarn_ge1(struct mdoc *);
-static int berr_eq0(struct mdoc *);
static int ewarn_ge1(struct mdoc *);
static int ebool(struct mdoc *);
static int post_sh(struct mdoc *);
+static int post_sh_body(struct mdoc *);
+static int post_sh_head(struct mdoc *);
static int post_bl(struct mdoc *);
static int post_it(struct mdoc *);
static int post_ex(struct mdoc *);
static int post_at(struct mdoc *);
static int post_xr(struct mdoc *);
static int post_nm(struct mdoc *);
+static int post_bf(struct mdoc *);
static int post_root(struct mdoc *);
/* Collections of pre-child-parse routines. */
static v_post posts_text[] = { eerr_ge1, NULL };
static v_post posts_wtext[] = { ewarn_ge1, NULL };
static v_post posts_notext[] = { eerr_eq0, NULL };
-static v_post posts_wline[] = { hwarn_ge1, berr_eq0, NULL };
+static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL };
static v_post posts_it[] = { post_it, NULL };
static v_post posts_in[] = { ewarn_eq1, NULL };
static v_post posts_ss[] = { herr_ge1, NULL };
static v_post posts_pp[] = { ewarn_eq0, NULL };
-static v_post posts_d1[] = { herr_ge1, NULL };
static v_post posts_ex[] = { eerr_le1, post_ex, NULL };
static v_post posts_an[] = { post_an, NULL };
static v_post posts_at[] = { post_at, NULL };
static v_post posts_xr[] = { eerr_ge1, eerr_le2, post_xr, NULL };
static v_post posts_nm[] = { post_nm, NULL };
+static v_post posts_bf[] = { herr_le1, post_bf, NULL };
+static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL };
+static v_post posts_fo[] = { bwarn_ge1, NULL };
+static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL };
/* Per-macro pre- and post-child-check routine collections. */
{ pres_prologue, posts_text }, /* Dd */
{ pres_prologue, NULL }, /* Dt */
{ pres_prologue, NULL }, /* Os */
- /* FIXME: NAME section internal ordering. */
{ pres_sh, posts_sh }, /* Sh */
{ pres_ss, posts_ss }, /* Ss */
{ NULL, posts_pp }, /* Pp */
- { pres_d1, posts_d1 }, /* D1 */
- { pres_d1, posts_d1 }, /* Dl */
+ { pres_d1, posts_wline }, /* D1 */
+ { pres_d1, posts_wline }, /* Dl */
{ pres_bd, posts_bd }, /* Bd */
{ NULL, NULL }, /* Ed */
{ pres_bl, posts_bl }, /* Bl */
{ NULL, posts_wline }, /* Aq */
{ NULL, posts_at }, /* At */
{ NULL, NULL }, /* Bc */
- { NULL, NULL }, /* Bf */ /* FIXME */
+ { NULL, posts_bf }, /* Bf */
{ NULL, NULL }, /* Bo */
{ NULL, posts_wline }, /* Bq */
{ NULL, NULL }, /* Bsx */
{ NULL, NULL }, /* Qo */
{ NULL, posts_wline }, /* Qq */
{ NULL, NULL }, /* Re */
- { NULL, NULL }, /* Rs */
+ { NULL, posts_rs }, /* Rs */
{ NULL, NULL }, /* Sc */
{ NULL, NULL }, /* So */
{ NULL, posts_wline }, /* Sq */
{ NULL, NULL }, /* Ux */
{ NULL, NULL }, /* Xc */
{ NULL, NULL }, /* Xo */
- { NULL, NULL }, /* Fo */
+ { NULL, posts_fo }, /* Fo */
{ NULL, NULL }, /* Fc */
{ NULL, NULL }, /* Oo */
{ NULL, NULL }, /* Oc */
- { NULL, NULL }, /* Bk */
+ { NULL, posts_bk }, /* Bk */
{ NULL, NULL }, /* Ek */
{ NULL, posts_notext }, /* Bt */
{ NULL, NULL }, /* Hf */
}
-static int
-berr_eq0(struct mdoc *mdoc)
-{
-
- if (MDOC_BODY != mdoc->last->type)
- return(1);
- return(post_check_children_eq(mdoc, "body children", 0));
-}
-
-
static int
bwarn_ge1(struct mdoc *mdoc)
{
static int
-hwarn_ge1(struct mdoc *mdoc)
+herr_le1(struct mdoc *mdoc)
{
-
if (MDOC_HEAD != mdoc->last->type)
return(1);
- return(post_check_children_wgt(mdoc, "parameters", 0));
+ return(post_check_children_lt(mdoc, "parameters", 2));
}
pre_it(struct mdoc *mdoc, struct mdoc_node *node)
{
+ /* TODO: -width attribute must be specified for -tag. */
+ /* TODO: children too big for -width? */
+
if (MDOC_BLOCK != node->type)
return(1);
return(pre_check_parent(mdoc, node, MDOC_Bl, MDOC_BODY));
pre_prologue(struct mdoc *mdoc, struct mdoc_node *node)
{
- if (SEC_PROLOGUE != mdoc->sec_lastn)
+ if (SEC_PROLOGUE != mdoc->lastnamed)
return(mdoc_nerr(mdoc, node, "macro may only be invoked in the prologue"));
assert(MDOC_ELEM == node->type);
}
+static int
+post_bf(struct mdoc *mdoc)
+{
+ char *p;
+ struct mdoc_node *head;
+
+ if (MDOC_BLOCK != mdoc->last->type)
+ return(1);
+ assert(MDOC_Bf == mdoc->last->tok);
+ head = mdoc->last->data.block.head;
+ assert(head);
+
+ if (0 == mdoc->last->data.block.argc) {
+ if (head->child) {
+ assert(MDOC_TEXT == head->child->type);
+ p = head->child->data.text.string;
+ if (xstrcmp(p, "Em"))
+ return(1);
+ else if (xstrcmp(p, "Li"))
+ return(1);
+ else if (xstrcmp(p, "Sm"))
+ return(1);
+ return(mdoc_nerr(mdoc, head->child, "invalid font mode"));
+ }
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+ }
+ if (head->child)
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+ if (1 == mdoc->last->data.block.argc)
+ return(1);
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+}
+
+
static int
post_nm(struct mdoc *mdoc)
{
#define TYPE_NONE (0)
#define TYPE_BODY (1)
#define TYPE_HEAD (2)
+#define TYPE_OHEAD (3)
size_t i, argc;
struct mdoc_node *n;
case (MDOC_Hyphen):
/* FALLTHROUGH */
case (MDOC_Item):
- /* FALLTHROUGH */
- case (MDOC_Column):
type = TYPE_BODY;
sv = n->data.block.argv[(int)i].arg;
break;
+ case (MDOC_Column):
+ type = TYPE_OHEAD;
+ sv = n->data.block.argv[(int)i].arg;
+ break;
default:
break;
}
assert(TYPE_NONE != type);
+ n = mdoc->last->data.block.head;
+ assert(n);
+
if (TYPE_HEAD == type) {
- n = mdoc->last->data.block.head;
- assert(n);
if (NULL == n->child)
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests line parameters"))
return(0);
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests body children"))
return(0);
- return(1);
+ } else if (TYPE_BODY == type) {
+ if (n->child)
+ if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests no line parameters"))
+ return(0);
+
+ n = mdoc->last->data.block.body;
+ assert(n);
+ if (NULL == n->child)
+ if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests body children"))
+ return(0);
+ } else {
+ if (NULL == n->child)
+ if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests line parameters"))
+ return(0);
+
+ n = mdoc->last->data.block.body;
+ assert(n);
+ if (n->child)
+ if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests no body children"))
+ return(0);
}
- assert(TYPE_BODY == type);
- assert(mdoc->last->data.block.head);
-
- n = mdoc->last->data.block.head;
- assert(n);
- if (n->child)
- if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests no line parameters"))
- return(0);
-
- n = mdoc->last->data.block.body;
- assert(n);
- if (NULL == n->child)
- if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests body children"))
- return(0);
-
- assert(-1 != sv);
- if (MDOC_Column != sv)
+ if (MDOC_Column != sv)
return(1);
/* Make sure the number of columns is sane. */
#undef TYPE_NONE
#undef TYPE_BODY
#undef TYPE_HEAD
+#undef TYPE_OHEAD
}
post_root(struct mdoc *mdoc)
{
- if (NULL == mdoc->last->child)
+ if (NULL == mdoc->first->child)
return(mdoc_err(mdoc, "document has no data"));
- if (NULL == mdoc->meta.title)
- return(mdoc_err(mdoc, "document has incomplete prologue"));
- if (NULL == mdoc->meta.os)
- return(mdoc_err(mdoc, "document has incomplete prologue"));
- if (0 == mdoc->meta.date)
+ if (SEC_PROLOGUE == mdoc->lastnamed)
return(mdoc_err(mdoc, "document has incomplete prologue"));
+ if (MDOC_BLOCK != mdoc->first->child->type)
+ return(mdoc_err(mdoc, "document expects `%s' macro after prologue", mdoc_macronames[MDOC_Sh]));
+ if (MDOC_Sh != mdoc->first->child->tok)
+ return(mdoc_err(mdoc, "document expects `%s' macro after prologue", mdoc_macronames[MDOC_Sh]));
return(1);
}
-/* Warn if conventional sections are out of order. */
static int
post_sh(struct mdoc *mdoc)
+{
+
+ if (MDOC_HEAD == mdoc->last->type)
+ return(post_sh_head(mdoc));
+ if (MDOC_BODY == mdoc->last->type)
+ return(post_sh_body(mdoc));
+ return(1);
+}
+
+
+static int
+post_sh_body(struct mdoc *mdoc)
+{
+ struct mdoc_node *n;
+
+ assert(MDOC_Sh == mdoc->last->tok);
+ if (SEC_NAME != mdoc->lastnamed)
+ return(1);
+
+ if (NULL == (n = mdoc->last->child))
+ return(mdoc_err(mdoc, "section NAME must contain %s as the first body child", mdoc_macronames[MDOC_Nm]));
+ if (MDOC_ELEM != n->type || MDOC_Nm != n->tok)
+ return(mdoc_err(mdoc, "section NAME must contain %s as the first body child", mdoc_macronames[MDOC_Nm]));
+ if (NULL == (n = n->next))
+ return(mdoc_err(mdoc, "section NAME must contain %s as the second body child", mdoc_macronames[MDOC_Nd]));
+ if (MDOC_ELEM != n->type || MDOC_Nd != n->tok)
+ return(mdoc_err(mdoc, "section NAME must contain %s as the second body child", mdoc_macronames[MDOC_Nd]));
+ if (NULL == (n = n->next))
+ return(1);
+
+ return(mdoc_warn(mdoc, WARN_SYNTAX, "section NAME usually limited to %s and %s body children",
+ mdoc_macronames[MDOC_Nm], mdoc_macronames[MDOC_Nd]));
+}
+
+
+static int
+post_sh_head(struct mdoc *mdoc)
{
char buf[64];
enum mdoc_sec sec;
- if (MDOC_HEAD != mdoc->last->type)
- return(1);
assert(MDOC_Sh == mdoc->last->tok);
if ( ! xstrlcats(buf, mdoc->last->child, 64))
return(mdoc_err(mdoc, "macro parameters too long"));
- if (SEC_CUSTOM == (sec = mdoc_atosec(buf)))
- return(1);
- if (sec > mdoc->sec_lastn)
+ sec = mdoc_atosec(buf);
+
+ if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
+ return(mdoc_err(mdoc, "section NAME must be first"));
+ if (SEC_CUSTOM == sec)
return(1);
- if (sec == mdoc->sec_lastn)
+ if (sec == mdoc->lastnamed)
return(mdoc_warn(mdoc, WARN_SYNTAX, "section repeated"));
- return(mdoc_warn(mdoc, WARN_SYNTAX, "section out of conventional order"));
+ if (sec < mdoc->lastnamed)
+ return(mdoc_warn(mdoc, WARN_SYNTAX, "section out of conventional order"));
+
+ return(1);
}
git.ckatri.com / mandoc.git / blobdiff