Add support for typed metadata

The metadata construct 'Key: Value' is now just a special case for
'Key:: "Value"'.  Another after a :: in metadata setting is parsed as a
full value expression and typed as such.  For example:

  ; Key:: $400 + $500

  ledger -l 'tag("Key") < $1000'

1 files changed, 8 insertions, 6 deletions

diff --git a/src/textual.cc b/src/textual.cc
index 5308fa18..9a4fee8e 100644
--- a/src/textual.cc
+++ b/src/textual.cc
@@ -67,7 +67,7 @@ namespace {
     std::size_t        sequence;
 
     parse_context_t(journal_t& _journal, scope_t& _scope)
-      : journal(_journal), scope(_scope), timelog(journal),
+      : journal(_journal), scope(_scope), timelog(journal, scope),
         strict(false), count(0), errors(0), sequence(1) {}
 
     bool front_is_account() {
@@ -1236,7 +1236,7 @@ post_t * instance_t::parse_post(char *          line,
   // Parse the optional note
 
   if (next && *next == ';') {
-    post->append_note(++next, true, current_year);
+    post->append_note(++next, context.scope, true, current_year);
     next = line + len;
     DEBUG("textual.parse", "line " << linenum << ": "
           << "Parsed a posting note");
@@ -1255,7 +1255,8 @@ post_t * instance_t::parse_post(char *          line,
   if (! context.state_stack.empty()) {
     foreach (const state_t& state, context.state_stack)
       if (state.type() == typeid(string))
-        post->parse_tags(boost::get<string>(state).c_str(), true);
+        post->parse_tags(boost::get<string>(state).c_str(), context.scope,
+                         true);
   }
 
   TRACE_STOP(post_details, 1);
@@ -1367,7 +1368,7 @@ xact_t * instance_t::parse_xact(char *          line,
   // Parse the xact note
 
   if (next && *next == ';')
-    xact->append_note(++next, current_year);
+    xact->append_note(++next, context.scope, false, current_year);
 
   TRACE_STOP(xact_text, 1);
 
@@ -1392,7 +1393,7 @@ xact_t * instance_t::parse_xact(char *          line,
         item = xact.get();
 
       // This is a trailing note, and possibly a metadata info tag
-      item->append_note(p + 1, true, current_year);
+      item->append_note(p + 1, context.scope, true, current_year);
       item->pos->end_pos = curr_pos;
       item->pos->end_line++;
     } else {
@@ -1426,7 +1427,8 @@ xact_t * instance_t::parse_xact(char *          line,
   if (! context.state_stack.empty()) {
     foreach (const state_t& state, context.state_stack)
       if (state.type() == typeid(string))
-        xact->parse_tags(boost::get<string>(state).c_str(), false);
+        xact->parse_tags(boost::get<string>(state).c_str(), context.scope,
+                         false);
   }
 
   TRACE_STOP(xact_details, 1);