Moved prologue-pruning into action.c.

[mandoc.git] / mdoc.c

diff --git a/mdoc.c b/mdoc.c
index 6818d356ca08c3fa94e18d9dca18a0a5c030dc01..247f759347d252ea3409955b4a88f692800f52c3 100644 (file)
--- a/mdoc.c
+++ b/mdoc.c
@@ -1,4 +1,4 @@
-/* $Id: mdoc.c,v 1.37 2009/01/19 17:51:33 kristaps Exp $ */
+/* $Id: mdoc.c,v 1.39 2009/01/20 12:51:28 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -85,9 +85,9 @@ const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
 
 const  struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
        { NULL, 0 }, /* \" */
-       { macro_constant, MDOC_PROLOGUE | MDOC_NOKEEP }, /* Dd */
-       { macro_constant, MDOC_PROLOGUE | MDOC_NOKEEP }, /* Dt */
-       { macro_constant, MDOC_PROLOGUE | MDOC_NOKEEP }, /* Os */
+       { macro_constant, MDOC_PROLOGUE }, /* Dd */
+       { macro_constant, MDOC_PROLOGUE }, /* Dt */
+       { macro_constant, MDOC_PROLOGUE }, /* Os */
        { macro_scoped, 0 }, /* Sh */
        { macro_scoped, 0 }, /* Ss */ 
        { macro_text, 0 }, /* Pp */ 
@@ -228,27 +228,20 @@ mdoc_meta(struct mdoc *mdoc)
 
 
 void
-mdoc_meta_free(struct mdoc *mdoc)
+mdoc_free(struct mdoc *mdoc)
 {
 
+       if (mdoc->first)
+               mdoc_node_freelist(mdoc->first);
+       if (mdoc->htab)
+               mdoc_tokhash_free(mdoc->htab);
        if (mdoc->meta.title)
                free(mdoc->meta.title);
        if (mdoc->meta.os)
                free(mdoc->meta.os);
        if (mdoc->meta.name)
                free(mdoc->meta.name);
-}
 
-
-void
-mdoc_free(struct mdoc *mdoc)
-{
-
-       if (mdoc->first)
-               mdoc_node_freelist(mdoc->first);
-       if (mdoc->htab)
-               mdoc_tokhash_free(mdoc->htab);
-       
        free(mdoc);
 }
 
@@ -302,14 +295,15 @@ mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
        if (MDOC_HALT & mdoc->flags)
                return(0);
 
+       mdoc->linetok = 0;
+
        if ('.' != *buf) {
-               if (SEC_PROLOGUE != mdoc->sec_lastn) {
-                       if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
-                               return(0);
-                       mdoc->next = MDOC_NEXT_SIBLING;
-                       return(1);
-               }
-               return(mdoc_perr(mdoc, line, 0, "text disallowed"));
+               if ( ! (MDOC_BODYPARSE & mdoc->flags))
+                       return(mdoc_perr(mdoc, line, 0, "text disallowed"));
+               if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
+                       return(0);
+               mdoc->next = MDOC_NEXT_SIBLING;
+               return(1);
        }
 
        if (buf[1] && '\\' == buf[1])
@@ -407,8 +401,8 @@ mdoc_macro(struct mdoc *mdoc, int tok,
        assert(mdoc_macros[tok].fp);
 
        if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
-                       SEC_PROLOGUE == mdoc->sec_lastn)
-               return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
+                       ! (MDOC_BODYPARSE & mdoc->flags))
+               return(mdoc_perr(mdoc, ln, ppos, "macro disallowed: not in document body"));
        if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
                return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
        return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
@@ -424,6 +418,26 @@ mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
        assert(mdoc->first);
        assert(MDOC_ROOT != p->type);
 
+       /* See if we exceed the suggest line-max. */
+
+       switch (p->type) {
+       case (MDOC_TEXT):
+               /* FALLTHROUGH */
+       case (MDOC_ELEM):
+               /* FALLTHROUGH */
+       case (MDOC_BLOCK):
+               mdoc->linetok++;
+               break;
+       default:
+               break;
+       }
+
+       if (mdoc->linetok > MDOC_LINEARG_SOFTMAX) 
+               if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT, 
+                                       "suggested %d tokens per line exceeded (has %d)",
+                                       MDOC_LINEARG_SOFTMAX, mdoc->linetok))
+                       return(0);
+
        if (MDOC_TEXT == mdoc->last->type)
                on = "<text>";
        else if (MDOC_ROOT == mdoc->last->type)