X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-lexer.cc;h=4ddd8643252585b2c5e032e20f1e1455a73a3c44;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=1bbc5b81674187e813d3613cb8bb205a0465db46;hpb=353e1a000a7e29928266ec3aa2b16e49b266fca3;p=lilypond.git

diff --git a/lily/lily-lexer.cc b/lily/lily-lexer.cc
index 1bbc5b8167..4ddd864325 100644
--- a/lily/lily-lexer.cc
+++ b/lily/lily-lexer.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -96,16 +96,18 @@ Lily_lexer::Lily_lexer (Sources *sources, Lily_parser *parser)
   scopes_ = SCM_EOL;
   error_level_ = 0;
   is_main_input_ = false;
+  main_input_level_ = 0;
   start_module_ = SCM_EOL;
   extra_tokens_ = SCM_EOL;
   smobify_self ();
 
   add_scope (ly_make_module (false));
-  push_note_state (scm_c_make_hash_table (0));
+  push_note_state (SCM_EOL);
   chordmodifier_tab_ = scm_make_vector (scm_from_int (1), SCM_EOL);
 }
 
-Lily_lexer::Lily_lexer (Lily_lexer const &src, Lily_parser *parser)
+Lily_lexer::Lily_lexer (Lily_lexer const &src, Lily_parser *parser,
+                        SCM override_input)
   : Includable_lexer ()
 {
   parser_ = parser;
@@ -113,28 +115,20 @@ Lily_lexer::Lily_lexer (Lily_lexer const &src, Lily_parser *parser)
   chordmodifier_tab_ = src.chordmodifier_tab_;
   pitchname_tab_stack_ = src.pitchname_tab_stack_;
   sources_ = src.sources_;
+  scopes_ = src.scopes_;
   start_module_ = SCM_EOL;
 
   error_level_ = 0;
   is_main_input_ = src.is_main_input_;
+  main_input_level_ = 0;
 
-  scopes_ = SCM_EOL;
   extra_tokens_ = SCM_EOL;
+  if (Input::is_smob (override_input))
+    override_input_ = *Input::unsmob (override_input);
 
   smobify_self ();
 
-  SCM scopes = SCM_EOL;
-  SCM *tail = &scopes;
-  for (SCM s = src.scopes_; scm_is_pair (s); s = scm_cdr (s))
-    {
-      SCM newmod = ly_make_module (false);
-      ly_module_copy (newmod, scm_car (s));
-      *tail = scm_cons (newmod, SCM_EOL);
-      tail = SCM_CDRLOC (*tail);
-    }
-
-  scopes_ = scopes;
-  push_note_state (scm_c_make_hash_table (0));
+  push_note_state (SCM_EOL);
 }
 
 Lily_lexer::~Lily_lexer ()
@@ -184,7 +178,7 @@ Lily_lexer::set_current_scope ()
 }
 
 int
-Lily_lexer::lookup_keyword (string s)
+Lily_lexer::lookup_keyword (const string &s)
 {
   return keytable_->lookup (s.c_str ());
 }
@@ -223,7 +217,7 @@ Lily_lexer::lookup_identifier_symbol (SCM sym)
 }
 
 SCM
-Lily_lexer::lookup_identifier (string name)
+Lily_lexer::lookup_identifier (const string &name)
 {
   return lookup_identifier_symbol (ly_symbol2scm (name.c_str ()));
 }
@@ -242,13 +236,13 @@ Lily_lexer::start_main_input ()
 }
 
 void
-Lily_lexer::new_input (string str, string d, Sources *ss)
+Lily_lexer::new_input (const string &str, string d, Sources *ss)
 {
   Includable_lexer::new_input (str, d, ss);
 }
 
 void
-Lily_lexer::new_input (string str, Sources *ss)
+Lily_lexer::new_input (const string &str, Sources *ss)
 {
   if (is_main_input_ && be_safe_global)
     {
@@ -344,6 +338,13 @@ Lily_lexer::here_input () const
   return Input (*lexloc_);
 }
 
+Input const &
+Lily_lexer::override_input (Input const &in) const
+{
+  return override_input_.get_source_file ()
+    ? override_input_ : in;
+}
+
 void
 Lily_lexer::prepare_for_next_token ()
 {
@@ -363,35 +364,28 @@ Lily_lexer::add_lexed_char (int count)
   char_count_stack_.back () += count;
 }
 
-#include "ly-smobs.icc"
 
-IMPLEMENT_SMOBS (Lily_lexer);
-IMPLEMENT_TYPE_P (Lily_lexer, "ly:lily-lexer?");
-IMPLEMENT_DEFAULT_EQUAL_P (Lily_lexer);
+const char Lily_lexer::type_p_name_[] = "ly:lily-lexer?";
 
 SCM
-Lily_lexer::mark_smob (SCM s)
+Lily_lexer::mark_smob ()
 {
-  ASSERT_LIVE_IS_ALLOWED (s);
-
-  Lily_lexer *lexer = (Lily_lexer *) SCM_CELL_WORD_1 (s);
-
-  scm_gc_mark (lexer->chordmodifier_tab_);
-  if (lexer->parser_)
-    scm_gc_mark (lexer->parser_->self_scm ());
-  scm_gc_mark (lexer->pitchname_tab_stack_);
-  scm_gc_mark (lexer->start_module_);
-  scm_gc_mark (lexer->extra_tokens_);
-  return lexer->scopes_;
+  ASSERT_LIVE_IS_ALLOWED (self_scm ());
+
+  scm_gc_mark (chordmodifier_tab_);
+  if (parser_)
+    scm_gc_mark (parser_->self_scm ());
+  scm_gc_mark (pitchname_tab_stack_);
+  scm_gc_mark (start_module_);
+  scm_gc_mark (extra_tokens_);
+  return scopes_;
 }
 
 int
-Lily_lexer::print_smob (SCM s, SCM port, scm_print_state *)
+Lily_lexer::print_smob (SCM port, scm_print_state *)
 {
-  Lily_lexer *lexer = Lily_lexer::unsmob (s);
-
   scm_puts ("#<Lily_lexer ", port);
-  scm_display (lexer->scopes_, port);
+  scm_display (scopes_, port);
   scm_puts (" >", port);
   return 1;
 }