Web-ja: update introduction

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

diff --git a/lily/includable-lexer.cc b/lily/includable-lexer.cc
index 617b1ace32ad706392b45bf797048eafd57ef7a8..8567ec91718c470e0e24741902d85911dff391b3 100644 (file)
--- a/lily/includable-lexer.cc
+++ b/lily/includable-lexer.cc
@@ -1,9 +1,20 @@
 /*
-  includable-lexer.cc -- implement Includable_lexer
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the LilyPond music typesetter
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2007 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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includable-lexer.hh"
@@ -13,6 +24,7 @@ using namespace std;
 
 #include "config.hh"
 
+#include "file-name.hh"
 #include "file-path.hh"
 #include "international.hh"
 #include "main.hh"
@@ -25,17 +37,19 @@ using namespace std;
 #endif
 
 #ifndef YY_START
-#define YY_START                               \
+#define YY_START                                \
   ((yy_start - 1) / 2)
 #define YYSTATE YY_START
 #endif
 
 /* Flex >= 2.5.29 has include stack; but we don't use that yet.  */
 #if !HAVE_FLEXLEXER_YY_CURRENT_BUFFER
-#define yy_current_buffer                                              \
+#define yy_current_buffer                                               \
   (yy_buffer_stack != 0 ? yy_buffer_stack[yy_buffer_stack_top] : 0)
 #endif
 
+extern bool relative_includes;
+
 Includable_lexer::Includable_lexer ()
 {
 #if HAVE_FLEXLEXER_YY_CURRENT_BUFFER
@@ -45,15 +59,19 @@ Includable_lexer::Includable_lexer ()
 
 /** Set the new input file to NAME, remember old file.  */
 void
-Includable_lexer::new_input (string name, Sources *sources)
+Includable_lexer::new_input (const string &name, Sources *sources)
 {
-  Source_file *file = sources->get_file (&name);
+  string current_dir = dir_name (main_input_name_);
+  if (relative_includes)
+    current_dir = include_stack_.size () ? dir_name (include_stack_.back ()->name_string ()) : "";
+
+  Source_file *file = sources->get_file (name, current_dir);
   if (!file)
     {
       string msg = _f ("cannot find file: `%s'", name);
       msg += "\n";
       msg += _f ("(search path: `%s')",
-                sources->path_->to_string ().c_str ());
+                 (current_dir.length () ? (current_dir + PATHSEP) : "") + sources->path_->to_string ().c_str ());
       LexerError (msg.c_str ());
       return;
     }
@@ -63,8 +81,8 @@ Includable_lexer::new_input (string name, Sources *sources)
   if (yy_current_buffer)
     state_stack_.push_back (yy_current_buffer);
 
-  if (be_verbose_global)
-    progress_indication (string ("[") + name);
+  debug_output (string (state_stack_.size (), ' ') // indentation!
+                + string ("[") + file->name_string ());
 
   include_stack_.push_back (file);
 
@@ -76,7 +94,7 @@ Includable_lexer::new_input (string name, Sources *sources)
 }
 
 void
-Includable_lexer::new_input (string name, string data, Sources *sources)
+Includable_lexer::new_input (const string &name, string data, Sources *sources)
 {
   Source_file *file = new Source_file (name, data);
   sources->add (file);
@@ -86,8 +104,8 @@ Includable_lexer::new_input (string name, string data, Sources *sources)
   if (yy_current_buffer)
     state_stack_.push_back (yy_current_buffer);
 
-  if (be_verbose_global)
-    progress_indication (string ("[") + name);
+  debug_output (string (state_stack_.size (), ' ') // indentation!
+                + string ("[") + name);
   include_stack_.push_back (file);
 
   yy_switch_to_buffer (yy_create_buffer (file->get_istream (), YY_BUF_SIZE));
@@ -101,8 +119,7 @@ Includable_lexer::close_input ()
 {
   include_stack_.pop_back ();
   char_count_stack_.pop_back ();
-  if (be_verbose_global)
-    progress_indication ("]");
+  debug_output ("]", false);
   yy_delete_buffer (yy_current_buffer);
 #if HAVE_FLEXLEXER_YY_CURRENT_BUFFER
   yy_current_buffer = 0;