Release: bump Welcome versions.

[lilypond.git] / lily / lily-lexer.cc

diff --git a/lily/lily-lexer.cc b/lily/lily-lexer.cc
index 1bbc5b81674187e813d3613cb8bb205a0465db46..6db0e653e5480d224427df3488bd12ae5c1a3bb5 100644 (file)
--- 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
@@ -35,6 +35,7 @@ using namespace std;
 #include "warn.hh"
 #include "program-option.hh"
 #include "lily-parser.hh"
+#include "ly-module.hh"
 
 static Keyword_ent the_key_tab[]
 =
@@ -56,6 +57,7 @@ static Keyword_ent the_key_tab[]
   {"description", DESCRIPTION},
   {"drummode", DRUMMODE},
   {"drums", DRUMS},
+  {"etc", ETC},
   {"figuremode", FIGUREMODE},
   {"figures", FIGURES},
   {"header", HEADER},
@@ -96,16 +98,18 @@ 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 +117,20 @@ 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 (unsmob<Input> (override_input))
+    override_input_ = *unsmob<Input> (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 +180,7 @@ 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 ());
 }
@@ -199,7 +195,7 @@ Lily_lexer::keyword_list () const
   SCM *tail = &l;
   for (vsize i = 0; i < keytable_->table_.size (); i++)
     {
-      *tail = scm_acons (scm_from_locale_string (keytable_->table_[i].name_),
+      *tail = scm_acons (scm_from_utf8_string (keytable_->table_[i].name_),
                          scm_from_int (keytable_->table_[i].tokcode_),
                          SCM_EOL);
 
@@ -215,7 +211,7 @@ Lily_lexer::lookup_identifier_symbol (SCM sym)
   for (SCM s = scopes_; scm_is_pair (s); s = scm_cdr (s))
     {
       SCM var = ly_module_lookup (scm_car (s), sym);
-      if (var != SCM_BOOL_F)
+      if (scm_is_true (var))
         return scm_variable_ref (var);
     }
 
@@ -223,7 +219,7 @@ 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 +238,13 @@ 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)
     {
@@ -287,8 +283,10 @@ Lily_lexer::set_identifier (SCM path, SCM val)
       if (scm_is_pair (path))
         {
           SCM prev = ly_module_lookup (mod, sym);
-          if (prev != SCM_BOOL_F)
+          if (scm_is_true (prev))
             val = nested_property_alist (scm_variable_ref (prev), path, val);
+          else
+            val = nested_create_alist (path, val);
         }
       scm_module_define (mod, sym, val);
     }
@@ -305,7 +303,7 @@ Lily_lexer::LexerError (char const *s)
     {
       error_level_ |= 1;
       Input spot (*lexloc_);
-      spot.error (s);
+      spot.non_fatal_error (s);
     }
 }
 
@@ -344,6 +342,13 @@ 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 +368,28 @@ 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 * const Lily_lexer::type_p_name_ = "ly:lily-lexer?";
 
 SCM
-Lily_lexer::mark_smob (SCM s)
+Lily_lexer::mark_smob () const
 {
-  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 *) const
 {
-  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;
 }