X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fincludable-lexer.cc;h=f0eed9eb6c48e9e2aea49f6b64a972f261d5b6ba;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=a757385a1d1a29ec9909c53148415ff22765eb6d;hpb=6721fc6f4e26e0bf88b744fe171330cb182e52ff;p=lilypond.git diff --git a/lily/includable-lexer.cc b/lily/includable-lexer.cc index a757385a1d..f0eed9eb6c 100644 --- a/lily/includable-lexer.cc +++ b/lily/includable-lexer.cc @@ -3,32 +3,36 @@ source file of the LilyPond music typesetter - (c) 1997--2004 Han-Wen Nienhuys + (c) 1997--2008 Han-Wen Nienhuys */ +#include "includable-lexer.hh" + #include -#include "config.h" +using namespace std; + +#include "config.hh" -#include "includable-lexer.hh" #include "file-path.hh" +#include "international.hh" +#include "main.hh" #include "source-file.hh" -#include "source.hh" +#include "sources.hh" #include "warn.hh" -#include "main.hh" #ifndef YY_BUF_SIZE #define YY_BUF_SIZE 16384 #endif #ifndef YY_START -#define YY_START\ - ((yy_start - 1) / 2) +#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 @@ -37,121 +41,102 @@ Includable_lexer::Includable_lexer () #if HAVE_FLEXLEXER_YY_CURRENT_BUFFER yy_current_buffer = 0; #endif - allow_includes_b_ = true; } /** Set the new input file to NAME, remember old file. */ void -Includable_lexer::new_input (String name, Sources *sources) +Includable_lexer::new_input (string name, Sources *sources) { - if (!allow_includes_b_) - { - LexerError (_ ("include files are not allowed").to_str0 ()); - return; - } - - Source_file *file = sources->get_file (name); + Source_file *file = sources->get_file (&name); if (!file) { - String msg = _f ("can't find file: `%s'", name); + string msg = _f ("cannot find file: `%s'", name); msg += "\n"; msg += _f ("(search path: `%s')", - sources->path_->to_string ().to_str0 ()); - msg += "\n"; - LexerError (msg.to_str0 ()); + sources->path_->to_string ().c_str ()); + LexerError (msg.c_str ()); return; } - filename_strings_.push (file->name_string ()); + file_name_strings_.push_back (file->name_string ()); - char_count_stack_.push (0); + char_count_stack_.push_back (0); if (yy_current_buffer) - state_stack_.push (yy_current_buffer); + state_stack_.push_back (yy_current_buffer); - if (verbose_global_b) - progress_indication (String ("[") + name); - - include_stack_.push (file); + if (be_verbose_global) + progress_indication (string ("[") + name); + + include_stack_.push_back (file); /* Ugh. We'd want to create a buffer from the bytes directly. - Whoops. The size argument to yy_create_buffer is not the - filelength but a BUFFERSIZE. Maybe this is why reading stdin fucks up. */ + Whoops. The size argument to yy_create_buffer is not the + filelength but a BUFFERSIZE. Maybe this is why reading stdin fucks up. */ yy_switch_to_buffer (yy_create_buffer (file->get_istream (), YY_BUF_SIZE)); } void -Includable_lexer::new_input (String name, String data, Sources *sources) +Includable_lexer::new_input (string name, string data, Sources *sources) { Source_file *file = new Source_file (name, data); sources->add (file); - filename_strings_.push (name); + file_name_strings_.push_back (name); - char_count_stack_.push (0); + char_count_stack_.push_back (0); if (yy_current_buffer) - state_stack_.push (yy_current_buffer); + state_stack_.push_back (yy_current_buffer); - if (verbose_global_b) - progress_indication (String ("[") + name); - include_stack_.push (file); + if (be_verbose_global) + progress_indication (string ("[") + name); + include_stack_.push_back (file); yy_switch_to_buffer (yy_create_buffer (file->get_istream (), YY_BUF_SIZE)); } /** pop the inputstack. conceptually this is a destructor, but it - does not destruct the Source_file that Includable_lexer::new_input - creates. */ + does not destruct the Source_file that Includable_lexer::new_input + creates. */ bool Includable_lexer::close_input () { - include_stack_.pop (); - char_count_stack_.pop (); - if (verbose_global_b) + include_stack_.pop_back (); + char_count_stack_.pop_back (); + if (be_verbose_global) progress_indication ("]"); yy_delete_buffer (yy_current_buffer); -#if HAVE_FLEXLEXER_YY_CURRENT_BUFFER +#if HAVE_FLEXLEXER_YY_CURRENT_BUFFER yy_current_buffer = 0; -#endif - if (state_stack_.is_empty ()) +#endif + if (state_stack_.empty ()) { -#if HAVE_FLEXLEXER_YY_CURRENT_BUFFER +#if HAVE_FLEXLEXER_YY_CURRENT_BUFFER yy_current_buffer = 0; -#endif +#endif return false; } - yy_switch_to_buffer (state_stack_.pop ()); + yy_switch_to_buffer (state_stack_.back ()); + state_stack_.pop_back (); return true; } -char const* +char const * Includable_lexer::here_str0 () const { - if (include_stack_.is_empty ()) + if (include_stack_.empty ()) return 0; - return include_stack_.top ()->to_str0 () + char_count_stack_.top (); + return include_stack_.back ()->c_str () + char_count_stack_.back (); } Includable_lexer::~Includable_lexer () { - while (!include_stack_.is_empty ()) - { - close_input (); - } -} -/** - Since we don't create the buffer state from the bytes directly, we - don't know about the location of the lexer. Add this as a - YY_USER_ACTION */ -void -Includable_lexer::add_lexed_char (int count) -{ - char_count_stack_.top () += count; + while (!include_stack_.empty ()) + close_input (); } -Source_file* +Source_file * Includable_lexer::get_source_file () const { - if (include_stack_.is_empty ()) + if (include_stack_.empty ()) return 0; - else - return include_stack_.top (); + return include_stack_.back (); }