-/* $Id: validate.c,v 1.36 2009/01/17 16:15:27 kristaps Exp $ */
+/* $Id: validate.c,v 1.43 2009/01/20 12:51:28 kristaps Exp $ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
#include "private.h"
-
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: valid character-escape checks. */
+/* FIXME: make sure required sections are included (NAME, ...). */
struct valids {
v_pre *pre;
v_post *post;
};
+/* Utility checks. */
+
static int pre_check_parent(struct mdoc *, struct mdoc_node *,
int, enum mdoc_type);
static int pre_check_msecs(struct mdoc *, struct mdoc_node *,
int, enum mdoc_msec *);
static int pre_check_stdarg(struct mdoc *, struct mdoc_node *);
static int post_check_children_count(struct mdoc *);
-static int post_check_children_lt(struct mdoc *, int);
-static int post_check_children_gt(struct mdoc *, int);
-static int post_check_children_eq(struct mdoc *, int);
+static int post_check_children_lt(struct mdoc *, const char *, int);
+static int post_check_children_gt(struct mdoc *, const char *, int);
+static int post_check_children_wgt(struct mdoc *, const char *, int);
+static int post_check_children_eq(struct mdoc *, const char *, int);
+static int post_check_children_weq(struct mdoc *, const char *, int);
+
+/* Specific pre-child-parse routines. */
static int pre_display(struct mdoc *, struct mdoc_node *);
static int pre_sh(struct mdoc *, struct mdoc_node *);
static int pre_prologue(struct mdoc *, struct mdoc_node *);
static int pre_prologue(struct mdoc *, struct mdoc_node *);
-static int head_err_ge1(struct mdoc *);
-static int head_warn_ge1(struct mdoc *);
-static int head_err_eq0(struct mdoc *);
-static int elem_err_eq0(struct mdoc *);
-static int elem_err_le1(struct mdoc *);
-static int elem_err_le2(struct mdoc *);
-static int elem_err_eq1(struct mdoc *);
-static int elem_err_ge1(struct mdoc *);
-static int elem_warn_eq0(struct mdoc *);
-static int body_warn_ge1(struct mdoc *);
-static int body_err_eq0(struct mdoc *);
-static int elem_warn_ge1(struct mdoc *);
-static int elem_bool(struct mdoc *);
+/* Specific post-child-parse routines. */
+
+static int herr_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 eerr_le2(struct mdoc *);
+static int eerr_eq1(struct mdoc *);
+static int eerr_ge1(struct mdoc *);
+static int ewarn_eq0(struct mdoc *);
+static int ewarn_eq1(struct mdoc *);
+static int bwarn_ge1(struct mdoc *);
+static int ewarn_ge1(struct mdoc *);
+static int ebool(struct mdoc *);
static int post_sh(struct mdoc *);
static int post_bl(struct mdoc *);
static int post_it(struct mdoc *);
static int post_an(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_pre pres_prologue[] = { pre_prologue, NULL };
static v_pre pres_d1[] = { pre_display, NULL };
static v_pre pres_an[] = { pre_an, NULL };
static v_pre pres_st[] = { pre_st, NULL };
-static v_post posts_bool[] = { elem_err_eq1, elem_bool, NULL };
-static v_post posts_bd[] = { head_err_eq0, body_warn_ge1, NULL };
-static v_post posts_text[] = { elem_err_ge1, NULL };
-static v_post posts_wtext[] = { elem_warn_ge1, NULL };
-static v_post posts_notext[] = { elem_err_eq0, NULL };
-static v_post posts_wline[] = { head_warn_ge1, body_err_eq0, NULL };
-static v_post posts_sh[] = { head_err_ge1,
- body_warn_ge1, post_sh, NULL };
-static v_post posts_bl[] = { head_err_eq0,
- body_warn_ge1, post_bl, NULL };
+/* Collections of post-child-parse routines. */
+
+static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
+static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
+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[] = { 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_ss[] = { head_err_ge1, NULL };
-static v_post posts_pp[] = { elem_warn_eq0, NULL };
-static v_post posts_d1[] = { head_err_ge1, NULL };
-static v_post posts_ex[] = { elem_err_le1, post_ex, 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_ex[] = { eerr_le1, post_ex, NULL };
static v_post posts_an[] = { post_an, NULL };
-static v_post posts_at[] = { elem_err_eq1, post_at, NULL };
-static v_post posts_xr[] = { elem_err_ge1, elem_err_le2,
- post_xr, 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 };
+/* Per-macro pre- and post-child-check routine collections. */
const struct valids mdoc_valids[MDOC_MAX] = {
{ NULL, NULL }, /* \" */
{ 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 */
{ pres_ex, posts_ex }, /* Ex */
{ NULL, posts_text }, /* Fa */
/* FIXME: only in SYNOPSIS section. */
- { NULL, NULL }, /* Fd */
+ { NULL, posts_wtext }, /* Fd */
{ NULL, NULL }, /* Fl */
{ NULL, posts_text }, /* Fn */
- { NULL, NULL }, /* Ft */
+ { NULL, posts_wtext }, /* Ft */
{ NULL, posts_text }, /* Ic */
- { NULL, posts_wtext }, /* In */
+ { NULL, posts_in }, /* In */
{ NULL, posts_text }, /* Li */
{ NULL, posts_wtext }, /* Nd */
- /* FIXME: check that name must be set/provided. */
- { NULL, NULL }, /* Nm */
+ { NULL, posts_nm }, /* Nm */
{ NULL, posts_wline }, /* Op */
{ NULL, NULL }, /* Ot */
{ NULL, NULL }, /* Pa */
{ NULL, posts_wline }, /* Aq */
{ NULL, posts_at }, /* At */
{ NULL, NULL }, /* Bc */
- { NULL, NULL }, /* Bf */
+ { NULL, posts_bf }, /* Bf */
{ NULL, NULL }, /* Bo */
{ NULL, posts_wline }, /* Bq */
{ NULL, NULL }, /* Bsx */
static int
-post_check_children_gt(struct mdoc *mdoc, int sz)
+post_check_children_wgt(struct mdoc *mdoc, const char *p, int sz)
+{
+ int i;
+
+ if ((i = post_check_children_count(mdoc)) > sz)
+ return(1);
+ return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests more "
+ "than %d %s (has %d)", sz, p, i));
+}
+
+
+static int
+post_check_children_gt(struct mdoc *mdoc, const char *p, int sz)
{
int i;
if ((i = post_check_children_count(mdoc)) > sz)
return(1);
return(mdoc_err(mdoc, "macro requires more than %d "
- "parameters (have %d)", sz, i));
+ "%s (has %d)", sz, p, i));
+}
+
+
+static int
+post_check_children_weq(struct mdoc *mdoc, const char *p, int sz)
+{
+ int i;
+
+ if ((i = post_check_children_count(mdoc)) == sz)
+ return(1);
+ return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests %d "
+ "%s (has %d)", sz, p, i));
}
static int
-post_check_children_eq(struct mdoc *mdoc, int sz)
+post_check_children_eq(struct mdoc *mdoc, const char *p, int sz)
{
int i;
if ((i = post_check_children_count(mdoc)) == sz)
return(1);
- return(mdoc_err(mdoc, "macro requires %d parameters "
- "(have %d)", sz, i));
+ return(mdoc_err(mdoc, "macro requires %d %s "
+ "(have %d)", sz, p, i));
}
static int
-post_check_children_lt(struct mdoc *mdoc, int sz)
+post_check_children_lt(struct mdoc *mdoc, const char *p, int sz)
{
int i;
if ((i = post_check_children_count(mdoc)) < sz)
return(1);
return(mdoc_err(mdoc, "macro requires less than %d "
- "parameters (have %d)", sz, i));
+ "%s (have %d)", sz, p, i));
}
for (i = 0; i < sz; i++)
if (msecs[i] == mdoc->meta.msec)
return(1);
- return(mdoc_nwarn(mdoc, node, WARN_COMPAT,
- "macro is not appropriate for this manual section"));
+ return(mdoc_nwarn(mdoc, node, WARN_COMPAT, "macro not "
+ "appropriate for manual section"));
}
static int
-body_err_eq0(struct mdoc *mdoc)
+bwarn_ge1(struct mdoc *mdoc)
{
if (MDOC_BODY != mdoc->last->type)
return(1);
- if (NULL == mdoc->last->child)
- return(1);
- return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests no body children"));
+ return(post_check_children_wgt(mdoc, "body children", 0));
}
static int
-body_warn_ge1(struct mdoc *mdoc)
+ewarn_eq1(struct mdoc *mdoc)
{
- if (MDOC_BODY != mdoc->last->type)
- return(1);
- if (mdoc->last->child)
- return(1);
- return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests one or more body children"));
+ assert(MDOC_ELEM == mdoc->last->type);
+ return(post_check_children_weq(mdoc, "parameters", 1));
}
static int
-elem_warn_eq0(struct mdoc *mdoc)
+ewarn_eq0(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- if (NULL == mdoc->last->child)
- return(1);
- return(mdoc_pwarn(mdoc, mdoc->last->child->line,
- mdoc->last->child->pos, WARN_SYNTAX, "macro suggests no parameters"));
+ return(post_check_children_weq(mdoc, "parameters", 0));
}
static int
-elem_warn_ge1(struct mdoc *mdoc)
+ewarn_ge1(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- if (mdoc->last->child)
- return(1);
- return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests one or more parameters"));
+ return(post_check_children_wgt(mdoc, "parameters", 0));
}
static int
-elem_err_eq1(struct mdoc *mdoc)
+eerr_eq1(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- return(post_check_children_eq(mdoc, 1));
+ return(post_check_children_eq(mdoc, "parameters", 1));
}
static int
-elem_err_le2(struct mdoc *mdoc)
+eerr_le2(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- return(post_check_children_lt(mdoc, 3));
+ return(post_check_children_lt(mdoc, "parameters", 3));
}
static int
-elem_err_le1(struct mdoc *mdoc)
+eerr_le1(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- return(post_check_children_lt(mdoc, 2));
+ return(post_check_children_lt(mdoc, "parameters", 2));
}
static int
-elem_err_eq0(struct mdoc *mdoc)
+eerr_eq0(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- return(post_check_children_eq(mdoc, 0));
+ return(post_check_children_eq(mdoc, "parameters", 0));
}
static int
-elem_err_ge1(struct mdoc *mdoc)
+eerr_ge1(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
- return(post_check_children_gt(mdoc, 0));
+ return(post_check_children_gt(mdoc, "parameters", 0));
}
static int
-head_err_eq0(struct mdoc *mdoc)
+herr_eq0(struct mdoc *mdoc)
{
if (MDOC_HEAD != mdoc->last->type)
return(1);
- return(post_check_children_eq(mdoc, 0));
+ return(post_check_children_eq(mdoc, "parameters", 0));
}
static int
-head_warn_ge1(struct mdoc *mdoc)
+herr_le1(struct mdoc *mdoc)
{
-
if (MDOC_HEAD != mdoc->last->type)
return(1);
- if (mdoc->last->child)
- return(1);
- return(mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests one or more parameters"));
+ return(post_check_children_lt(mdoc, "parameters", 2));
}
static int
-head_err_ge1(struct mdoc *mdoc)
+herr_ge1(struct mdoc *mdoc)
{
if (MDOC_HEAD != mdoc->last->type)
return(1);
- return(post_check_children_gt(mdoc, 0));
+ return(post_check_children_gt(mdoc, "parameters", 0));
}
return(1);
assert(mdoc->last);
+ /* LINTED */
for (n = mdoc->last->parent; n; n = n->parent)
if (MDOC_BLOCK == n->type)
if (MDOC_Bd == n->tok)
argv = NULL;
argc = node->data.block.argc;
+ /* LINTED */
for (i = type = err = 0; i < argc; i++) {
argv = &node->data.block.argv[(int)i];
assert(argv);
argv = NULL;
argc = node->data.block.argc;
+ /* LINTED */
for (err = i = type = 0; 0 == err && i < argc; i++) {
argv = &node->data.block.argv[(int)i];
assert(argv);
}
+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)
+{
+
+ assert(MDOC_ELEM == mdoc->last->type);
+ assert(MDOC_Nm == mdoc->last->tok);
+ if (mdoc->last->child)
+ return(1);
+ if (mdoc->meta.name)
+ return(1);
+ return(mdoc_err(mdoc, "macro `%s' has not been invoked with a name",
+ mdoc_macronames[MDOC_Nm]));
+}
+
+
static int
post_xr(struct mdoc *mdoc)
{
assert(MDOC_ELEM == mdoc->last->type);
assert(MDOC_At == mdoc->last->tok);
- assert(mdoc->last->child);
+
+ if (NULL == mdoc->last->child)
+ return(1);
assert(MDOC_TEXT == mdoc->last->child->type);
if (ATT_DEFAULT != mdoc_atoatt(mdoc->last->child->data.text.string))
argc = n->data.block.argc;
type = TYPE_NONE;
+ sv = -1;
/* Some types require block-head, some not. */
+ /* LINTED */
for (i = 0; TYPE_NONE == type && i < argc; i++)
switch (n->data.block.argv[(int)i].arg) {
case (MDOC_Tag):
if ( ! mdoc_warn(mdoc, WARN_SYNTAX, "macro suggests body children"))
return(0);
+ assert(-1 != sv);
if (MDOC_Column != sv)
return(1);
/* Make sure the number of columns is sane. */
- sv = mdoc->last->parent->parent->data.block.argv->sz;
+ argc = mdoc->last->parent->parent->data.block.argv->sz;
n = mdoc->last->data.block.head->child;
for (i = 0; n; n = n->next)
i++;
- if (i == (size_t)sv)
+ if (i == argc)
return(1);
- return(mdoc_err(mdoc, "expected %d list columns, have %d", sv, (int)i));
+ return(mdoc_err(mdoc, "expected %zu list columns, have %zu", argc, i));
#undef TYPE_NONE
#undef TYPE_BODY
#undef TYPE_HEAD
}
-/* Make sure that only `It' macros are our body-children. */
static int
post_bl(struct mdoc *mdoc)
{
return(1);
assert(MDOC_Bl == mdoc->last->tok);
+ /* LINTED */
for (n = mdoc->last->child; n; n = n->next) {
if (MDOC_BLOCK == n->type)
if (MDOC_It == n->tok)
static int
-elem_bool(struct mdoc *mdoc)
+ebool(struct mdoc *mdoc)
{
struct mdoc_node *n;
assert(MDOC_ELEM == mdoc->last->type);
+ /* LINTED */
for (n = mdoc->last->child; n; n = n->next) {
if (MDOC_TEXT != n->type)
break;
}
if (NULL == n)
return(1);
- return(mdoc_nerr(mdoc, n, "expected boolean value [on/off]"));
+ return(mdoc_nerr(mdoc, n, "expected boolean value"));
+}
+
+
+static int
+post_root(struct mdoc *mdoc)
+{
+
+ if (NULL == mdoc->last->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)
+ return(mdoc_err(mdoc, "document has incomplete prologue"));
+ return(1);
}
{
v_pre *p;
- /* TODO: character-escape checks. */
-
if (MDOC_TEXT == node->type)
return(1);
assert(MDOC_ROOT != node->type);
{
v_post *p;
- if (MDOC_TEXT == mdoc->last->type)
+ if (MDOC_VALID & mdoc->last->flags)
return(1);
- if (MDOC_ROOT == mdoc->last->type) {
- /* TODO: make sure prologue is complete. */
+ mdoc->last->flags |= MDOC_VALID;
+
+ if (MDOC_TEXT == mdoc->last->type)
return(1);
- }
+ if (MDOC_ROOT == mdoc->last->type)
+ return(post_root(mdoc));
if (NULL == mdoc_valids[mdoc->last->tok].post)
return(1);