Imported Upstream version 2.18.0

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

diff --git a/lily/lily-parser.cc b/lily/lily-parser.cc
index 833fe6e1588fc7feea90375adfe1a16f18f06579..cd7819e9c8d5f6823592e310783025ed15933280 100644 (file)
--- a/lily/lily-parser.cc
+++ b/lily/lily-parser.cc
@@ -53,7 +53,7 @@ Lily_parser::Lily_parser (Sources *sources)
   lexer_->unprotect ();
 }
 
-Lily_parser::Lily_parser (Lily_parser const &src, SCM closures)
+Lily_parser::Lily_parser (Lily_parser const &src, SCM closures, SCM location)
 {
   lexer_ = 0;
   sources_ = src.sources_;
@@ -65,10 +65,9 @@ Lily_parser::Lily_parser (Lily_parser const &src, SCM closures)
   smobify_self ();
   if (src.lexer_)
     {
-      lexer_ = new Lily_lexer (*src.lexer_, this);
+      lexer_ = new Lily_lexer (*src.lexer_, this, location);
+      lexer_->unprotect ();
     }
-
-  lexer_->unprotect ();
 }
 
 Lily_parser::~Lily_parser ()
@@ -98,7 +97,7 @@ Lily_parser::print_smob (SCM s, SCM port, scm_print_state *)
 
 /* Process one .ly file, or book.  */
 void
-Lily_parser::parse_file (string init, string name, string out_name)
+Lily_parser::parse_file (const string &init, const string &name, const string &out_name)
 {
   lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
   output_basename_ = out_name;
@@ -120,9 +119,11 @@ Lily_parser::parse_file (string init, string name, string out_name)
      OUT_FILE (unless IN_FILE redefines output file name).  */
 
   SCM mod = lexer_->set_current_scope ();
-  do {
-    do_yyparse ();
-  } while (!lexer_->is_clean ());
+  do
+    {
+      do_yyparse ();
+    }
+  while (!lexer_->is_clean ());
 
   /*
     Don't mix cyclic pointers with weak tables.
@@ -138,10 +139,9 @@ Lily_parser::parse_file (string init, string name, string out_name)
 }
 
 void
-Lily_parser::parse_string (string ly_code)
+Lily_parser::parse_string (const string &ly_code)
 {
   lexer_->main_input_name_ = "<string>";
-  lexer_->is_main_input_ = true;
   lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
 
   SCM mod = lexer_->set_current_scope ();
@@ -155,11 +155,10 @@ Lily_parser::parse_string (string ly_code)
 }
 
 SCM
-Lily_parser::parse_string_expression (string ly_code, string filename,
+Lily_parser::parse_string_expression (const string &ly_code, const string &filename,
                                       int line)
 {
   lexer_->main_input_name_ = filename;
-  lexer_->is_main_input_ = true;
   lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
   if (line)
     {
@@ -169,9 +168,7 @@ Lily_parser::parse_string_expression (string ly_code, string filename,
   SCM parser = lexer_->lookup_identifier_symbol (ly_symbol2scm ("parser"));
   lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
   lexer_->push_extra_token (EMBEDDED_LILY);
-  do_yyparse ();
-  SCM result = lexer_->lookup_identifier_symbol (ly_symbol2scm ("parseStringResult"));
-  // parseStringResult is set in the grammar rule for embedded_lilypond
+  SCM result = do_yyparse ();
 
   lexer_->set_identifier (ly_symbol2scm ("parser"), parser);
   scm_set_current_module (mod);
@@ -181,7 +178,7 @@ Lily_parser::parse_string_expression (string ly_code, string filename,
 }
 
 void
-Lily_parser::include_string (string ly_code)
+Lily_parser::include_string (const string &ly_code)
 {
   lexer_->new_input ("<included string>", ly_code, sources_);
 }
@@ -205,14 +202,14 @@ Lily_parser::here_str0 () const
 }
 
 void
-Lily_parser::parser_error (string s)
+Lily_parser::parser_error (const string &s)
 {
   lexer_->here_input ().error (_ (s.c_str ()));
   error_level_ = 1;
 }
 
 void
-Lily_parser::parser_error (Input const &i, string s)
+Lily_parser::parser_error (Input const &i, const string &s)
 {
   i.error (s);
   error_level_ = 1;