===================================================================
RCS file: /cvs/mandoc/Attic/macro.c,v
retrieving revision 1.22
retrieving revision 1.25
diff -u -p -r1.22 -r1.25
--- mandoc/Attic/macro.c	2009/01/05 16:11:14	1.22
+++ mandoc/Attic/macro.c	2009/01/07 15:53:00	1.25
@@ -1,4 +1,4 @@
-/* $Id: macro.c,v 1.22 2009/01/05 16:11:14 kristaps Exp $ */
+/* $Id: macro.c,v 1.25 2009/01/07 15:53:00 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -34,10 +34,42 @@ static	int	  rewind_impblock(struct mdoc *, int, int);
 static	int	  rewind_expblock(struct mdoc *, int, int, int);
 static	int	  rewind_head(struct mdoc *, int, int);
 static	int	  rewind_body(struct mdoc *, int, int, int);
+static	int	  rewind_last(struct mdoc *, int, struct mdoc_node *);
 static	int	  append_delims(struct mdoc *, int, int *, char *);
+static	int	  lookup(struct mdoc *, int, const char *);
 
 
 static int
+lookup(struct mdoc *mdoc, int from, const char *p)
+{
+
+	if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
+		return(MDOC_MAX);
+	return(mdoc_find(mdoc, p));
+}
+
+
+static int
+rewind_last(struct mdoc *mdoc, int ppos, struct mdoc_node *to)
+{
+
+	assert(to);
+	while (mdoc->last != to) {
+		if ( ! mdoc_valid_post(mdoc, ppos))
+			return(0);
+		if ( ! mdoc_action(mdoc, ppos))
+			return(0);
+		mdoc->last = mdoc->last->parent;
+		assert(mdoc->last);
+	}
+	mdoc->next = MDOC_NEXT_SIBLING;
+	if ( ! mdoc_valid_post(mdoc, ppos))
+		return(0);
+	return(mdoc_action(mdoc, ppos));
+}
+
+
+static int
 rewind_elem(struct mdoc *mdoc, int ppos, int tok)
 {
 	struct mdoc_node *n;
@@ -48,11 +80,7 @@ rewind_elem(struct mdoc *mdoc, int ppos, int tok)
 	assert(MDOC_ELEM == n->type);
 	assert(tok == n->data.elem.tok);
 
-	mdoc->last = n;
-	mdoc->next = MDOC_NEXT_SIBLING;
-	if ( ! mdoc_valid_post(mdoc, tok, ppos))
-		return(0);
-	return(mdoc_action(mdoc, tok, ppos));
+	return(rewind_last(mdoc, ppos, n));
 }
 
 
@@ -60,22 +88,21 @@ static int
 rewind_body(struct mdoc *mdoc, int ppos, int tok, int tt)
 {
 	struct mdoc_node *n;
+	int		  t;
 
 	/* LINTED */
 	for (n = mdoc->last; n; n = n->parent) {
 		if (MDOC_BODY != n->type) 
 			continue;
-		if (tt == n->data.head.tok)
+		if (tt == (t = n->data.head.tok))
 			break;
-		if ( ! (MDOC_EXPLICIT & mdoc_macros[tt].flags))
+		if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags))
 			continue;
 		return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
 	}
 
-	mdoc->last = n ? n : mdoc->last;
-	mdoc->next = MDOC_NEXT_SIBLING;
-	/* XXX - no validation, we do this only for blocks/elements. */
-	return(1);
+	assert(n);
+	return(rewind_last(mdoc, ppos, n));
 }
 
 
@@ -96,10 +123,8 @@ rewind_head(struct mdoc *mdoc, int ppos, int tok)
 		return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
 	}
 
-	mdoc->last = n ? n : mdoc->last;
-	mdoc->next = MDOC_NEXT_SIBLING;
-	/* XXX - no validation, we do this only for blocks/elements. */
-	return(1);
+	assert(n);
+	return(rewind_last(mdoc, ppos, n));
 }
 
 
@@ -107,6 +132,7 @@ static int
 rewind_expblock(struct mdoc *mdoc, int ppos, int tok, int tt)
 {
 	struct mdoc_node *n;
+	int		  t;
 
 	assert(mdoc->last);
 
@@ -114,20 +140,16 @@ rewind_expblock(struct mdoc *mdoc, int ppos, int tok, 
 	for (n = mdoc->last->parent; n; n = n->parent) {
 		if (MDOC_BLOCK != n->type) 
 			continue;
-		if (tt == n->data.block.tok)
+		if (tt == (t = n->data.block.tok))
 			break;
-		if (MDOC_NESTED & mdoc_macros[n->data.block.tok].flags)
+		if (MDOC_NESTED & mdoc_macros[t].flags)
 			continue;
 		return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
 	}
 
-	if (NULL == (mdoc->last = n))
+	if (NULL == n)
 		return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX));
-
-	mdoc->next = MDOC_NEXT_SIBLING;
-	if ( ! mdoc_valid_post(mdoc, tok, ppos))
-		return(0);
-	return(mdoc_action(mdoc, tok, ppos));
+	return(rewind_last(mdoc, ppos, n));
 }
 
 
@@ -147,14 +169,14 @@ rewind_impblock(struct mdoc *mdoc, int ppos, int tok)
 			break;
 		if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags))
 			continue;
+		if (MDOC_NESTED & mdoc_macros[tok].flags)
+			return(1);
 		return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
 	}
 
-	mdoc->last = n ? n : mdoc->last;
-	mdoc->next = MDOC_NEXT_SIBLING;
-	if ( ! mdoc_valid_post(mdoc, tok, ppos))
-		return(0);
-	return(mdoc_action(mdoc, tok, ppos));
+	if (NULL == n)
+		return(1);
+	return(rewind_last(mdoc, ppos, n));
 }
 
 
@@ -215,8 +237,8 @@ macro_close_explicit(MACRO_PROT_ARGS)
 	case (MDOC_El):
 		tt = MDOC_Bl;
 		break;
-	case (MDOC_Fo):
-		tt = MDOC_Fc;
+	case (MDOC_Fc):
+		tt = MDOC_Fo;
 		break;
 	case (MDOC_Oc):
 		tt = MDOC_Oo;
@@ -286,7 +308,7 @@ macro_close_explicit(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed) {
 				if ( ! rewind_expblock(mdoc, ppos, tok, tt))
 					return(0);
@@ -377,7 +399,7 @@ macro_text(MACRO_PROT_ARGS)
 		if (ARGS_PUNCT == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! rewind_elem(mdoc, ppos, tok)) {
 				mdoc_argv_free(argc, argv);
 				return(0);
@@ -420,13 +442,13 @@ macro_text(MACRO_PROT_ARGS)
 int
 macro_scoped(MACRO_PROT_ARGS)
 {
-	int		  c, lastarg, argc;
+	int		  c, lastarg, argc, j;
 	struct mdoc_arg	  argv[MDOC_LINEARG_MAX];
+	char		 *p;
 
 	assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags));
 
-	if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags) &&
-			! (MDOC_NESTED & mdoc_macros[tok].flags))
+	if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) 
 		if ( ! rewind_impblock(mdoc, ppos, tok))
 			return(0);
 
@@ -453,22 +475,48 @@ macro_scoped(MACRO_PROT_ARGS)
 
 	mdoc_argv_free(argc, argv);
 
-	/* XXX - Assumes header isn't parsed! */
-
-	if (0 != buf[*pos]) {
+	if (0 == buf[*pos]) {
 		mdoc_head_alloc(mdoc, ppos, tok);
+		if ( ! rewind_head(mdoc, ppos, tok))
+			return(0);
+		mdoc_body_alloc(mdoc, ppos, tok);
 		mdoc->next = MDOC_NEXT_CHILD;
+		return(1);
+	}
 
-		mdoc_word_alloc(mdoc, lastarg, &buf[*pos]);
-		mdoc->next = MDOC_NEXT_SIBLING;
+	mdoc_head_alloc(mdoc, ppos, tok);
+	mdoc->next = MDOC_NEXT_CHILD;
 
-		if ( ! rewind_head(mdoc, ppos, tok))
+	for (j = 0; j < MDOC_LINEARG_MAX; j++) {
+		lastarg = *pos;
+		c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p);
+	
+		if (ARGS_ERROR == c)
 			return(0);
+		if (ARGS_PUNCT == c)
+			break;
+		if (ARGS_EOLN == c)
+			break;
+	
+		if (MDOC_MAX == (c = lookup(mdoc, tok, p))) {
+			mdoc_word_alloc(mdoc, lastarg, p);
+			mdoc->next = MDOC_NEXT_SIBLING;
+			continue;
+		}
 
-		while (buf[*pos])
-			(*pos)++;
+		if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
+			return(0);
+		break;
 	}
 
+	if (j == MDOC_LINEARG_MAX)
+		return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
+
+	if ( ! rewind_head(mdoc, ppos, tok))
+		return(0);
+	if (1 == ppos && ! append_delims(mdoc, tok, pos, buf))
+		return(0);
+
 	mdoc_body_alloc(mdoc, ppos, tok);
 	mdoc->next = MDOC_NEXT_CHILD;
 
@@ -511,7 +559,7 @@ macro_scoped_line(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX == (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX == (c = lookup(mdoc, tok, p))) {
 			mdoc_word_alloc(mdoc, lastarg, p);
 			mdoc->next = MDOC_NEXT_SIBLING;
 			continue;
@@ -560,6 +608,9 @@ macro_constant_scoped(MACRO_PROT_ARGS)
 	mdoc->next = MDOC_NEXT_CHILD;
 
 	if (0 == maxargs) {
+		mdoc_head_alloc(mdoc, ppos, tok);
+		if ( ! rewind_head(mdoc, ppos, tok))
+			return(0);
 		mdoc_body_alloc(mdoc, ppos, tok);
 		flushed = 1;
 	} else
@@ -586,7 +637,7 @@ macro_constant_scoped(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed) {
 				if ( ! rewind_head(mdoc, ppos, tok))
 					return(0);
@@ -636,7 +687,8 @@ macro_constant_scoped(MACRO_PROT_ARGS)
 int
 macro_constant_delimited(MACRO_PROT_ARGS)
 {
-	int		  lastarg, flushed, j, c, maxargs;
+	int		  lastarg, flushed, j, c, maxargs, argc;
+	struct mdoc_arg	  argv[MDOC_LINEARG_MAX];
 	char		 *p;
 
 	lastarg = ppos;
@@ -648,6 +700,8 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 	case (MDOC_Ns):
 		/* FALLTHROUGH */
 	case (MDOC_Ux):
+		/* FALLTHROUGH */
+	case (MDOC_St):
 		maxargs = 0;
 		break;
 	default:
@@ -655,9 +709,27 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 		break;
 	}
 
-	mdoc_elem_alloc(mdoc, lastarg, tok, 0, NULL);
+	for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) {
+		lastarg = *pos;
+		c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf);
+		if (ARGV_EOLN == c || ARGV_WORD == c)
+			break;
+		else if (ARGV_ARG == c)
+			continue;
+		mdoc_argv_free(argc, argv);
+		return(0);
+	}
+
+	if ( ! mdoc_valid_pre(mdoc, tok, ppos, argc, argv)) {
+		mdoc_argv_free(argc, argv);
+		return(0);
+	}
+
+	mdoc_elem_alloc(mdoc, lastarg, tok, argc, argv);
 	mdoc->next = MDOC_NEXT_CHILD;
 
+	mdoc_argv_free(argc, argv);
+
 	for (j = 0; j < MDOC_LINEARG_MAX; j++) {
 		lastarg = *pos;
 
@@ -675,7 +747,7 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed && ! rewind_elem(mdoc, ppos, tok))
 				return(0);
 			flushed = 1;
@@ -717,6 +789,9 @@ macro_constant(MACRO_PROT_ARGS)
 	struct mdoc_arg	 argv[MDOC_LINEARG_MAX];
 	char		*p;
 
+	/*assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));*/
+	/*FIXME*/
+
 	fl = 0;
 	if (MDOC_QUOTABLE & mdoc_macros[tok].flags)
 		fl = ARGS_QUOTED;
@@ -770,4 +845,14 @@ macro_obsolete(MACRO_PROT_ARGS)
 {
 
 	return(mdoc_warn(mdoc, tok, ppos, WARN_IGN_OBSOLETE));
+}
+
+
+int
+macro_end(struct mdoc *mdoc)
+{
+
+	assert(mdoc->first);
+	assert(mdoc->last);
+	return(rewind_last(mdoc, -1, mdoc->first));
 }