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authorKristaps Dzonsons <kristaps@bsd.lv>2008-12-30 18:15:26 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2008-12-30 18:15:26 +0000
commitc81a972eaeca9fe0e1dab0f88895af7623d58288 (patch)
tree1dda157f35042c8267b9bf3852267e8cf8158eb3 /validate.c
parent66fbe2667c8cf108e8878d8fb7091f0659bc477c (diff)
downloadmandoc-c81a972eaeca9fe0e1dab0f88895af7623d58288.tar.gz
Validation fully works.
Diffstat (limited to 'validate.c')
-rw-r--r--validate.c1262
1 files changed, 210 insertions, 1052 deletions
diff --git a/validate.c b/validate.c
index 63284f8a..a7425854 100644
--- a/validate.c
+++ b/validate.c
@@ -17,1143 +17,301 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <assert.h>
-#include <ctype.h>
#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#ifdef __linux__
-#include <time.h>
-#endif
#include "private.h"
-/* FIXME: maxlineargs should be per LINE, no per TOKEN. */
-/* FIXME: prologue check should be in macro_call. */
-#define _CC(p) ((const char **)p)
+typedef int (*v_sz)(struct mdoc *, int, int, int);
+typedef int (*v_extra)(struct mdoc *, int, int, int,
+ const char *[], int, const struct mdoc_arg *);
-static int scope_rewind_exp(struct mdoc *, int, int, int);
-static int scope_rewind_imp(struct mdoc *, int, int);
-static int append_text(struct mdoc *, int,
- int, int, char *[]);
-static int append_const(struct mdoc *, int, int, int, char *[]);
-static int append_constarg(struct mdoc *, int, int,
- int, const struct mdoc_arg *);
-static int append_scoped(struct mdoc *, int, int, int,
+static int assert_eq0(struct mdoc *, int, int, int);
+static int assert_le1(struct mdoc *, int, int, int);
+static int need_eq0(struct mdoc *, int, int, int);
+static int need_eq1(struct mdoc *, int, int, int);
+static int need_ge1(struct mdoc *, int, int, int);
+static int need_le2(struct mdoc *, int, int, int);
+static int want_eq0(struct mdoc *, int, int, int);
+static int want_ge1(struct mdoc *, int, int, int);
+static int v_Sh(struct mdoc *, int, int, int,
+ const char *[], int, const struct mdoc_arg *);
+static int v_Bd(struct mdoc *, int, int, int,
+ const char *[], int, const struct mdoc_arg *);
+static int v_At(struct mdoc *, int, int, int,
const char *[], int, const struct mdoc_arg *);
-static int append_delims(struct mdoc *, int, int *, char *);
+
+struct valids {
+ v_sz sz;
+ v_extra extra;
+};
+
+
+const struct valids mdoc_valids[MDOC_MAX] = {
+ { NULL, NULL }, /* \" */
+ { NULL, NULL }, /* Dd */
+ { NULL, NULL }, /* Dt */
+ { NULL, NULL }, /* Os */
+ { need_ge1, v_Sh }, /* Sh */
+ { need_ge1, NULL }, /* Ss */
+ { want_eq0, NULL }, /* Pp */
+ { NULL, NULL }, /* D1 */
+ { NULL, NULL }, /* Dl */
+ { NULL, v_Bd }, /* Bd */
+ { NULL, NULL }, /* Ed */
+ { NULL, NULL }, /* Bl */
+ { NULL, NULL }, /* El */
+ { NULL, NULL }, /* It */
+ { need_ge1, NULL }, /* Ad */
+ { NULL, NULL }, /* An */
+ { NULL, NULL }, /* Ar */
+ { NULL, NULL }, /* Cd */
+ { NULL, NULL }, /* Cm */
+ { need_ge1, NULL }, /* Dv */
+ { need_ge1, NULL }, /* Er */
+ { need_ge1, NULL }, /* Ev */
+ { NULL, NULL }, /* Ex */
+ { need_ge1, NULL }, /* Fa */
+ { NULL, NULL }, /* Fd */
+ { NULL, NULL }, /* Fl */
+ { NULL, NULL }, /* Fn */
+ { want_ge1, NULL }, /* Ft */
+ { need_ge1, NULL }, /* Ic */
+ { NULL, NULL }, /* In */
+ { want_ge1, NULL }, /* Li */
+ { want_ge1, NULL }, /* Nd */
+ { NULL, NULL }, /* Nm */
+ { NULL, NULL }, /* Op */
+ { NULL, NULL }, /* Ot */
+ { want_ge1, NULL }, /* Pa */
+ { NULL, NULL }, /* Rv */
+ { NULL, NULL }, /* St */
+ { need_ge1, NULL }, /* Va */
+ { need_ge1, NULL }, /* Vt */
+ { NULL, NULL }, /* Xr */
+ { NULL, NULL }, /* %A */
+ { NULL, NULL }, /* %B */
+ { NULL, NULL }, /* %D */
+ { NULL, NULL }, /* %I */
+ { NULL, NULL }, /* %J */
+ { NULL, NULL }, /* %N */
+ { NULL, NULL }, /* %O */
+ { NULL, NULL }, /* %P */
+ { NULL, NULL }, /* %R */
+ { NULL, NULL }, /* %T */
+ { NULL, NULL }, /* %V */
+ { NULL, NULL }, /* Ac */
+ { NULL, NULL }, /* Ao */
+ { NULL, NULL }, /* Aq */
+ { need_le2, v_At }, /* At */
+ { NULL, NULL }, /* Bc */
+ { NULL, NULL }, /* Bf */
+ { NULL, NULL }, /* Bo */
+ { NULL, NULL }, /* Bq */
+ { assert_le1, NULL }, /* Bsx */
+ { assert_le1, NULL }, /* Bx */
+ { NULL, NULL }, /* Db */
+ { NULL, NULL }, /* Dc */
+ { NULL, NULL }, /* Do */
+ { NULL, NULL }, /* Dq */
+ { NULL, NULL }, /* Ec */
+ { NULL, NULL }, /* Ef */
+ { need_ge1, NULL }, /* Em */
+ { NULL, NULL }, /* Eo */
+ { assert_le1, NULL }, /* Fx */
+ { want_ge1, NULL }, /* Ms */
+ { NULL, NULL }, /* No */
+ { NULL, NULL }, /* Ns */
+ { assert_le1, NULL }, /* Nx */
+ { assert_le1, 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, NULL }, /* Rs */
+ { NULL, NULL }, /* Sc */
+ { NULL, NULL }, /* So */
+ { NULL, NULL }, /* Sq */
+ { NULL, NULL }, /* Sm */
+ { need_ge1, NULL }, /* Sx */
+ { need_ge1, NULL }, /* Sy */
+ { want_ge1, NULL }, /* Tn */
+ { assert_eq0, NULL }, /* Ux */
+ { NULL, NULL }, /* Xc */
+ { NULL, NULL }, /* Xo */
+ { NULL, NULL }, /* Fo */
+ { NULL, NULL }, /* Fc */
+ { NULL, NULL }, /* Oo */
+ { NULL, NULL }, /* Oc */
+ { NULL, NULL }, /* Bk */
+ { NULL, NULL }, /* Ek */
+ { need_eq0, NULL }, /* Bt */
+ { need_eq1, NULL }, /* Hf */
+ { NULL, NULL }, /* Fr */
+ { need_eq0, NULL }, /* Ud */
+};
static int
-append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf)
+need_le2(struct mdoc *mdoc, int tok, int pos, int sz)
{
- int c, lastarg;
- char *p;
-
- if (0 == buf[*pos])
+ if (sz > 2)
return(1);
-
- mdoc_msg(mdoc, *pos, "`%s' flushing punctuation",
- mdoc_macronames[tok]);
-
- for (;;) {
- lastarg = *pos;
- c = mdoc_args(mdoc, tok, pos, buf, 0, &p);
- if (ARGS_ERROR == c)
- return(0);
- else if (ARGS_EOLN == c)
- break;
- assert(mdoc_isdelim(p));
- mdoc_word_alloc(mdoc, lastarg, p);
- }
-
- return(1);
+ return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2));
}
static int
-scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok)
+want_ge1(struct mdoc *mdoc, int tok, int pos, int sz)
{
- struct mdoc_node *n;
- int t;
-
- n = mdoc->last ? mdoc->last->parent : NULL;
-
- /* LINTED */
- for ( ; n; n = n->parent) {
- if (MDOC_BLOCK != n->type)
- continue;
- if (tok == (t = n->data.block.tok))
- break;
- if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags))
- continue;
- return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
- }
-
- if (n) {
- mdoc->last = n;
- mdoc_msg(mdoc, ppos, "scope: rewound implicit `%s'",
- mdoc_macronames[tok]);
+ if (sz > 0)
return(1);
- }
-
- mdoc_msg(mdoc, ppos, "scope: new implicit `%s'",
- mdoc_macronames[tok]);
- return(1);
+ return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1));
}
static int
-scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst)
+want_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
{
- struct mdoc_node *n;
-
- assert(mdoc->last);
-
- /* LINTED */
- for (n = mdoc->last->parent; n; n = n->parent) {
- if (MDOC_BLOCK != n->type)
- continue;
- if (dst == n->data.block.tok)
- break;
- return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
- }
-
- if (NULL == (mdoc->last = n))
- return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX));
-
- mdoc_msg(mdoc, ppos, "scope: rewound explicit `%s' to `%s'",
- mdoc_macronames[tok], mdoc_macronames[dst]);
-
- return(1);
+ if (sz == 0)
+ return(1);
+ return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0));
}
static int
-append_constarg(struct mdoc *mdoc, int tok, int pos,
- int argc, const struct mdoc_arg *argv)
+need_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
{
-
- switch (tok) {
- default:
- break;
- }
-
- mdoc_elem_alloc(mdoc, pos, tok, argc, argv, 0, NULL);
- return(1);
+ if (sz == 0)
+ return(1);
+ return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0));
}
-/*
- * Append a node with implicit or explicit scoping ONLY. ALL macros
- * with the implicit- or explicit-scope callback must be included here.
- */
static int
-append_scoped(struct mdoc *mdoc, int tok, int pos,
- int sz, const char *args[],
- int argc, const struct mdoc_arg *argv)
+assert_le1(struct mdoc *mdoc, int tok, int pos, int sz)
{
- enum mdoc_sec sec;
- struct mdoc_node *node;
-
- switch (tok) {
- /* ======= ADD MORE MACRO CHECKS BELOW. ======= */
-
- case (MDOC_Sh):
- /*
- * Check rules for section ordering. We can have
- * "known" sections (like NAME and so on) and "custom"
- * sections, which are unknown. If we have a known
- * section, we should fall within the conventional
- * section order.
- */
- if (0 == sz)
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
-
- sec = mdoc_atosec((size_t)sz, _CC(args));
- if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn)
- if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO))
- return(0);
-
- if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec)
- return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME));
- if (SEC_CUSTOM != sec)
- mdoc->sec_lastn = sec;
- mdoc->sec_last = sec;
- break;
-
- case (MDOC_Ss):
- if (0 != sz)
- break;
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
-
- case (MDOC_Bd):
- /*
- * We can't be nested within any other block displays
- * (or really any other kind of display, although Bd is
- * the only multi-line one that will show up).
- */
- assert(mdoc->last);
- node = mdoc->last->parent;
- /* LINTED */
- for ( ; node; node = node->parent) {
- if (node->type != MDOC_BLOCK)
- continue;
- if (node->data.block.tok != MDOC_Bd)
- continue;
- break;
- }
- if (NULL == node)
- break;
- return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST));
-
- case (MDOC_Bl):
- break;
- /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */
- default:
- abort();
- /* NOTREACHED */
- }
-
- mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv);
- mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args));
- mdoc_body_alloc(mdoc, pos, tok);
+ assert(sz <= 1);
return(1);
}
static int
-append_const(struct mdoc *mdoc, int tok,
- int pos, int sz, char *args[])
+assert_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
{
- switch (tok) {
- /* ======= ADD MORE MACRO CHECKS BELOW. ======= */
-
- /* FIXME: this is the ugliest part of this page. */
- case (MDOC_At):
- /* This needs special handling. */
- if (0 == sz)
- break;
- else if (sz > 2)
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2));
-
- if (ATT_DEFAULT != mdoc_atoatt(args[0])) {
- mdoc_elem_alloc(mdoc, pos, tok, 0,
- NULL, 1, _CC(&args[0]));
- } else {
- mdoc_elem_alloc(mdoc, pos, tok,
- 0, NULL, 0, NULL);
- if (mdoc_isdelim(args[0]))
- return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT));
- mdoc_word_alloc(mdoc, pos, args[0]);
- }
-
- if (1 == sz)
- return(1);
- if (mdoc_isdelim(args[1]))
- return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT));
- mdoc_word_alloc(mdoc, pos, args[1]);
- return(1);
-
- case (MDOC_Nd):
- if (sz > 0)
- break;
- if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1))
- return(0);
- break;
-
- case (MDOC_Hf):
- if (1 == sz)
- break;
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1));
-
- case (MDOC_Bx):
- /* FALLTHROUGH */
- case (MDOC_Bsx):
- /* FALLTHROUGH */
- case (MDOC_Os):
- /* FALLTHROUGH */
- case (MDOC_Fx):
- /* FALLTHROUGH */
- case (MDOC_Nx):
- assert(sz <= 1);
- break;
-
- case (MDOC_Ux):
- assert(0 == sz);
- break;
-
- case (MDOC_Bt):
- /* FALLTHROUGH */
- case (MDOC_Ud):
- if (0 == sz)
- break;
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0));
-
- /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */
- default:
- abort();
- /* NOTREACHED */
- }
-
- mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args));
+ assert(sz == 0);
return(1);
}
static int
-append_text(struct mdoc *mdoc, int tok,
- int pos, int sz, char *args[])
-{
-
- switch (tok) {
- /* ======= ADD MORE MACRO CHECKS BELOW. ======= */
- case (MDOC_Pp):
- if (0 == sz)
- break;
- if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0))
- return(0);
- break;
-
- case (MDOC_Ft):
- /* FALLTHROUGH */
- case (MDOC_Li):
- /* FALLTHROUGH */
- case (MDOC_Ms):
- /* FALLTHROUGH */
- case (MDOC_Pa):
- /* FALLTHROUGH */
- case (MDOC_Tn):
- if (0 < sz)
- break;
- if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1))
- return(0);
- break;
-
- case (MDOC_Ar):
- /* FALLTHROUGH */
- case (MDOC_Cm):
- /* FALLTHROUGH */
- case (MDOC_Fl):
- /* These can have no arguments. */
- break;
-
- case (MDOC_Ad):
- /* FALLTHROUGH */
- case (MDOC_Em):
- /* FALLTHROUGH */
- case (MDOC_Er):
- /* FALLTHROUGH */
- case (MDOC_Ev):
- /* FALLTHROUGH */
- case (MDOC_Fa):
- /* FALLTHROUGH */
- case (MDOC_Dv):
- /* FALLTHROUGH */
- case (MDOC_Ic):
- /* FALLTHROUGH */
- case (MDOC_Sy):
- /* FALLTHROUGH */
- case (MDOC_Sx):
- /* FALLTHROUGH */
- case (MDOC_Va):
- /* FALLTHROUGH */
- case (MDOC_Vt):
- if (0 < sz)
- break;
- return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
- /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */
- default:
- abort();
- /* NOTREACHED */
- }
-
- mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args));
- return(1);
-}
-
-
-int
-macro_text(MACRO_PROT_ARGS)
+need_eq1(struct mdoc *mdoc, int tok, int pos, int sz)
{
- int lastarg, lastpunct, c, j;
- char *args[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_Pp):
- /* `.Pp' ignored when following `.Sh' or `.Ss'. */
- assert(mdoc->last);
- if (MDOC_BODY != mdoc->last->type)
- break;
- switch (mdoc->last->data.body.tok) {
- case (MDOC_Ss):
- /* FALLTHROUGH */
- case (MDOC_Sh):
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK))
- return(0);
- return(1);
- default:
- break;
- }
- break;
- default:
- break;
- }
-
- /* Process line parameters. */
-
- j = 0;
- lastarg = ppos;
- lastpunct = 0;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- /*
- * Parse out the next argument, unquoted and unescaped. If
- * we're a word (which may be punctuation followed eventually by
- * a real word), then fall into checking for callables. If
- * only punctuation remains and we're the first, then flush
- * arguments, punctuation and exit; else, return to the caller.
- */
-
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &args[j])) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_WORD):
- break;
- case (ARGS_PUNCT):
- if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- case (ARGS_EOLN):
- if (lastpunct)
- return(1);
- return(append_text(mdoc, tok, ppos, j, args));
- default:
- abort();
- /* NOTREACHED */
- }
-
- /*
- * Command found. First flush out arguments, then call the
- * command. If we're the line macro when it exits, flush
- * terminal punctuation.
- */
-
- if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) {
- if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args))
- return(0);
- if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- }
-
- /* Word/non-term-punctuation found. */
-
- if ( ! mdoc_isdelim(args[j])) {
- /* Words are appended to the array of arguments. */
- j++;
- lastpunct = 0;
- goto again;
- }
-
- /*
- * For punctuation, flush all collected words, then flush
- * punctuation, then start collecting again. Of course, this
- * is non-terminal punctuation.
- */
-
- if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args))
- return(0);
-
- mdoc_word_alloc(mdoc, lastarg, args[j]);
- j = 0;
- lastpunct = 1;
-
- goto again;
- /* NOTREACHED */
-}
-
-
-int
-macro_prologue_dtitle(MACRO_PROT_ARGS)
-{
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (0 == mdoc->meta.date)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
-
- j = -1;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) {
- case (ARGS_EOLN):
- if (mdoc->meta.title)
- return(1);
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1))
- return(0);
- (void)xstrlcpy(mdoc->meta.title,
- "UNTITLED", META_TITLE_SZ);
+ if (sz == 1)
return(1);
- case (ARGS_ERROR):
- return(0);
- default:
- break;
- }
-
- if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn
- (mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
- return(0);
-
- if (0 == j) {
- if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ))
- goto again;
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- } else if (1 == j) {
- mdoc->meta.msec = mdoc_atomsec(args[1]);
- if (MSEC_DEFAULT != mdoc->meta.msec)
- goto again;
- return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGFORM));
-
- } else if (2 == j) {
- mdoc->meta.vol = mdoc_atovol(args[2]);
- if (VOL_DEFAULT != mdoc->meta.vol)
- goto again;
- mdoc->meta.arch = mdoc_atoarch(args[2]);
- if (ARCH_DEFAULT != mdoc->meta.arch)
- goto again;
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
- }
-
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
+ return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1));
}
-int
-macro_prologue_os(MACRO_PROT_ARGS)
+static int
+need_ge1(struct mdoc *mdoc, int tok, int pos, int sz)
{
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (0 == mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.os[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
-
- j = -1;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf,
- ARGS_QUOTED, &args[++j])) {
- case (ARGS_EOLN):
- mdoc->sec_lastn = mdoc->sec_last = SEC_BODY;
+ if (sz > 0)
return(1);
- case (ARGS_ERROR):
- return(0);
- default:
- break;
- }
-
- if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
- if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- goto again;
- /* NOTREACHED */
-}
-
-
-int
-macro_prologue_ddate(MACRO_PROT_ARGS)
-{
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX], date[64];
-
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.date)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
-
- j = -1;
- date[0] = 0;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) {
- case (ARGS_EOLN):
- if (mdoc->meta.date)
- return(1);
- mdoc->meta.date = mdoc_atotime(date);
- if (mdoc->meta.date)
- return(1);
- return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGFORM));
- case (ARGS_ERROR):
- return(0);
- default:
- break;
- }
-
- if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn
- (mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
- return(0);
-
- if (0 == j) {
- if (xstrcmp("$Mdocdate$", args[j])) {
- mdoc->meta.date = time(NULL);
- goto again;
- } else if (xstrcmp("$Mdocdate:", args[j]))
- goto again;
- } else if (4 == j)
- if ( ! xstrcmp("$", args[j]))
- goto again;
-
- if ( ! xstrlcat(date, args[j], sizeof(date)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
- if ( ! xstrlcat(date, " ", sizeof(date)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- goto again;
- /* NOTREACHED */
+ return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
}
-int
-macro_scoped_explicit(MACRO_PROT_ARGS)
+static int
+v_Sh(struct mdoc *mdoc, int tok, int pos,
+ int sz, const char *args[],
+ int argc, const struct mdoc_arg *argv)
{
- int c, lastarg, j;
- struct mdoc_arg argv[MDOC_LINEARG_MAX];
- struct mdoc_node *n;
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
+ enum mdoc_sec sec;
- /*
- * First close out the explicit scope. The `end' tags (such as
- * `.El' to `.Bl' don't cause anything to happen: we merely
- * readjust our last parse point.
- */
-
- switch (tok) {
- case (MDOC_El):
- return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl));
- case (MDOC_Ed):
- return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bd));
- default:
- break;
- }
-
- assert(MDOC_EXPLICIT & mdoc_macros[tok].flags);
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_Bl):
- /* FALLTHROUGH */
- case (MDOC_Bd):
- /* `.Pp' ignored when preceding `.Bl' or `.Bd'. */
- assert(mdoc->last);
- if (MDOC_ELEM != mdoc->last->type)
- break;
- if (MDOC_Pp != mdoc->last->data.elem.tok)
- break;
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK))
+ sec = mdoc_atosec((size_t)sz, args);
+ if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn)
+ if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO))
return(0);
- assert(mdoc->last->prev);
- n = mdoc->last;
- mdoc->last = mdoc->last->prev;
- mdoc->last->next = NULL;
- mdoc_node_free(n);
- break;
- default:
- break;
- }
+ if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec)
+ return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME));
- lastarg = *pos;
-
- for (j = 0; j < MDOC_LINEARG_MAX; j++) {
- lastarg = *pos;
- c = mdoc_argv(mdoc, tok, &argv[j], pos, buf);
- if (0 == c)
- break;
- else if (1 == c)
- continue;
-
- mdoc_argv_free(j, argv);
- return(0);
- }
-
- if (MDOC_LINEARG_MAX == j) {
- mdoc_argv_free(j, argv);
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
- }
-
- c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv);
- mdoc_argv_free(j, argv);
- return(c);
+ return(1);
}
-/*
- * Implicity-scoped macros, like `.Ss', have a scope that terminates
- * with a subsequent call to the same macro. Implicit macros cannot
- * break the scope of explicitly-scoped macros; however, they can break
- * the scope of other implicit macros (so `.Sh' can break `.Ss'). This
- * is ok with macros like `.It' because they exist only within an
- * explicit context.
- *
- * These macros put line arguments (which it's allowed to have) into the
- * HEAD section and open a BODY scope to be used until the macro scope
- * closes.
- */
-int
-macro_scoped_implicit(MACRO_PROT_ARGS)
+static int
+v_At(struct mdoc *mdoc, int tok, int pos,
+ int sz, const char *args[],
+ int argc, const struct mdoc_arg *argv)
{
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
- struct mdoc_node *n;
-
- assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags));
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_Ss):
- /* FALLTHROUGH */
- case (MDOC_Sh):
- /* `.Pp' ignored when preceding `.Ss' or `.Sh'. */
- if (NULL == mdoc->last)
- break;
- if (MDOC_ELEM != mdoc->last->type)
- break;
- if (MDOC_Pp != mdoc->last->data.elem.tok)
- break;
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK))
- return(0);
- assert(mdoc->last->prev);
- n = mdoc->last;
- mdoc_msg(mdoc, ppos, "removing prior `Pp' macro");
- mdoc->last = mdoc->last->prev;
- mdoc->last->next = NULL;
- mdoc_node_free(n);
- break;
- default:
- break;
- }
-
- /* Rewind our scope. */
-
- if ( ! scope_rewind_imp(mdoc, ppos, tok))
- return(0);
+ int i;
- j = 0;
- lastarg = ppos;
-
- /*
- * Process until we hit a line. Note that current implicit
- * macros don't have any arguments, so we don't need to do any
- * argument processing.
- */
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
+ if (0 == sz)
+ return(1);
- lastarg = *pos;
+ i = 0;
+ if (ATT_DEFAULT == mdoc_atoatt(args[i]))
+ i++;
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_EOLN):
- return(append_scoped(mdoc, tok, ppos, j, _CC(args), 0, NULL));
- default:
- break;
+ for ( ; i < sz; i++) {
+ if ( ! mdoc_isdelim(args[i]))
+ continue;
+ return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT));
}
-
- if (MDOC_MAX != mdoc_find(mdoc, args[j]))
- if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
- return(0);
-
- j++;
- goto again;
- /* NOTREACHED */
+ return(1);
}
-/*
- * A line-scoped macro opens a scope for the contents of its line, which
- * are placed under the HEAD node. Punctuation trailing the line is put
- * as a sibling to the HEAD node, under the BLOCK node.
- */
-int
-macro_scoped_line(MACRO_PROT_ARGS)
+static int
+v_Bd(struct mdoc *mdoc, int tok, int pos,
+ int sz, const char *args[],
+ int argc, const struct mdoc_arg *argv)
{
- int lastarg, c, j;
- char *p;
- struct mdoc_node *n;
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- assert(1 == ppos);
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_D1):
- /* FALLTHROUGH */
- case (MDOC_Dl):
- /* These can't be nested in a display block. */
- assert(mdoc->last);
- for (n = mdoc->last->parent ; n; n = n->parent)
- if (MDOC_BLOCK != n->type)
- continue;
- else if (MDOC_Bd == n->data.block.tok)
- break;
- if (NULL == n)
- break;
- return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NONEST));
- default:
- break;
- }
+ struct mdoc_node *node;
/*
- * All line-scoped macros have a HEAD and optionally a BODY
- * section. We open our scope here; when we exit this function,
- * we'll rewind our scope appropriately.
+ * We can't be nested within any other block displays (or really
+ * any other kind of display, although Bd is the only multi-line
+ * one that will show up).
*/
+ assert(mdoc->last);
- mdoc_block_alloc(mdoc, ppos, tok, 0, NULL);
- mdoc_head_alloc(mdoc, ppos, tok, 0, NULL);
-
- /* Process line parameters. */
-
- j = 0;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
- c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p);
-
- switch (c) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_WORD):
- break;
- case (ARGS_PUNCT):
- if ( ! append_delims(mdoc, tok, pos, buf))
- return(0);
- return(scope_rewind_imp(mdoc, ppos, tok));
- case (ARGS_EOLN):
- return(scope_rewind_imp(mdoc, ppos, tok));
- default:
- abort();
- /* NOTREACHED */
- }
-
- if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
- if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
- return(0);
- if ( ! append_delims(mdoc, tok, pos, buf))
- return(0);
- return(scope_rewind_imp(mdoc, ppos, tok));
- }
-
- if (mdoc_isdelim(p))
- j = 0;
-
- mdoc_word_alloc(mdoc, lastarg, p);
- goto again;
- /* NOTREACHED */
-}
-
-
-/*
- * Partial-line scope is identical to line scope (macro_scoped_line())
- * except that trailing punctuation is appended to the BLOCK, instead of
- * contained within the HEAD.
- */
-int
-macro_scoped_pline(MACRO_PROT_ARGS)
-{
- int lastarg, c, j;
- char *p;
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_Ql):
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF))
- return(0);
- break;
- default:
- break;
- }
-
- mdoc_block_alloc(mdoc, ppos, tok, 0, NULL);
- mdoc_head_alloc(mdoc, ppos, tok, 0, NULL);
-
- /* Process line parameters. */
-
- j = 0;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
- c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p);
-
- switch (c) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_WORD):
- break;
- case (ARGS_PUNCT):
- if ( ! scope_rewind_imp(mdoc, ppos, tok))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- case (ARGS_EOLN):
- return(scope_rewind_imp(mdoc, ppos, tok));
- default:
- abort();
- /* NOTREACHED */
- }
-
- if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
- if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
- return(0);
- if ( ! scope_rewind_imp(mdoc, ppos, tok))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- }
-
- if (mdoc_isdelim(p))
- j = 0;
-
- mdoc_word_alloc(mdoc, lastarg, p);
- goto again;
- /* NOTREACHED */
-}
-
-
-/*
- * A delimited-constant macro is similar to a general text macro: the
- * macro is followed by a 0 or 1 arguments (possibly-unspecified) then
- * terminating punctuation, other words, or another callable macro.
- */
-int
-macro_constant_delimited(MACRO_PROT_ARGS)
-{
- int lastarg, flushed, c, maxargs;
- char *p;
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- /* Process line parameters. */
-
- lastarg = ppos;
- flushed = 0;
-
- /* Token pre-processing. */
-
- switch (tok) {
- case (MDOC_Ux):
- maxargs = 0;
- break;
- default:
- maxargs = 1;
+ /* LINTED */
+ for (node = mdoc->last->parent ; node; node = node->parent) {
+ if (node->type != MDOC_BLOCK)
+ continue;
+ if (node->data.block.tok != MDOC_Bd)
+ continue;
break;
}
-
-again:
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_WORD):
- break;
- case (ARGS_PUNCT):
- if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- case (ARGS_EOLN):
- if (flushed)
- return(1);
- return(append_const(mdoc, tok, ppos, 0, &p));
- default:
- abort();
- /* NOTREACHED */
- }
-
- /* Accepts no arguments: flush out symbol and continue. */
-
- if (0 == maxargs) {
- if ( ! append_const(mdoc, tok, ppos, 0, &p))
- return(0);
- flushed = 1;
- }
-
- if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
- if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p))
- return(0);
- if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(mdoc, tok, pos, buf));
- }
-
- /*
- * We only accept one argument; subsequent tokens are considered
- * as literal words (until a macro).
- */
-
- if ( ! flushed && ! mdoc_isdelim(p)) {
- if ( ! append_const(mdoc, tok, ppos, 1, &p))
- return(0);
- flushed = 1;
- goto again;
- } else if ( ! flushed) {
- if ( ! append_const(mdoc, tok, ppos, 0, &p))
- return(0);
- flushed = 1;
- }
-
- mdoc_word_alloc(mdoc, lastarg, p);
- goto again;
- /* NOTREACHED */
+ if (NULL == node)
+ return(1);
+ return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST));
}
int
-macro_constant(MACRO_PROT_ARGS)
+mdoc_valid(struct mdoc *mdoc, int tok, int pos,
+ int sz, const char *args[],
+ int argc, const struct mdoc_arg *argv)
{
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
- j = 0;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) {
- case (ARGS_ERROR):
- return(0);
- case (ARGS_WORD):
- break;
- case (ARGS_EOLN):
- return(append_const(mdoc, tok, ppos, j, args));
- default:
- abort();
- /* NOTREACHED */
- }
-
- if (MDOC_MAX != mdoc_find(mdoc, args[j]))
- if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
+ assert(tok < MDOC_MAX);
+ if (mdoc_valids[tok].sz)
+ if ( ! (*mdoc_valids[tok].sz)(mdoc, tok, pos, sz))
return(0);
- j++;
- goto again;
- /* NOTREACHED */
+ if (NULL == mdoc_valids[tok].extra)
+ return(1);
+ return(*mdoc_valids[tok].extra)(mdoc,
+ tok, pos, sz, args, argc, argv);
}
-
-int
-macro_constant_argv(MACRO_PROT_ARGS)
-{
- int c, lastarg, j;
- struct mdoc_arg argv[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
-
- lastarg = *pos;
-
- for (j = 0; j < MDOC_LINEARG_MAX; j++) {
- lastarg = *pos;
- c = mdoc_argv(mdoc, tok, &argv[j], pos, buf);
- if (0 == c)
- break;
- else if (1 == c)
- continue;
-
- mdoc_argv_free(j, argv);
- return(0);
- }
-
- if (MDOC_LINEARG_MAX == j) {
- mdoc_argv_free(j, argv);
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
- }
-
- c = append_constarg(mdoc, tok, ppos, j, argv);
- mdoc_argv_free(j, argv);
- return(c);
-}