X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-parser.cc;h=2ee77b1e6dec7a0f270761362c642c37d792aaa0;hb=b7c3ee308a8bcd2beb4926996b9c943d145266df;hp=d527c07afe6f14832e8940263c09c67d699c7cfb;hpb=75c339f75315f38e85d137c8ea0693fbc4cc4028;p=lilypond.git diff --git a/lily/lily-parser.cc b/lily/lily-parser.cc index d527c07afe..2ee77b1e6d 100644 --- a/lily/lily-parser.cc +++ b/lily/lily-parser.cc @@ -1,27 +1,40 @@ /* - lily-parser.cc -- implement Lily_parser + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter - - (c) 1997--2005 Han-Wen Nienhuys + Copyright (C) 1997--2011 Han-Wen Nienhuys Jan Nieuwenhuizen + + 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 . */ #include "lily-parser.hh" -#include "text-metrics.hh" + #include "book.hh" -#include "lilypond-key.hh" +#include "file-name.hh" +#include "file-path.hh" +#include "international.hh" +#include "lily-lexer.hh" #include "lily-version.hh" +#include "ly-module.hh" #include "main.hh" -#include "lily-lexer.hh" #include "output-def.hh" #include "paper-book.hh" #include "parser.hh" #include "score.hh" -#include "file-name.hh" -#include "file-path.hh" -#include "source.hh" +#include "sources.hh" #include "warn.hh" +#include "program-option.hh" #include "ly-smobs.icc" @@ -34,7 +47,7 @@ Lily_parser::Lily_parser (Sources *sources) smobify_self (); - lexer_ = new Lily_lexer (sources_); + lexer_ = new Lily_lexer (sources_, this); lexer_->unprotect (); } @@ -48,7 +61,9 @@ Lily_parser::Lily_parser (Lily_parser const &src) smobify_self (); if (src.lexer_) - lexer_ = new Lily_lexer (*src.lexer_); + { + lexer_ = new Lily_lexer (*src.lexer_, this); + } lexer_->unprotect (); } @@ -80,29 +95,24 @@ 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 (string init, string name, string out_name) { - if (output_backend_global == "tex") - try_load_text_metrics (out_name); - - // TODO: use $parser - lexer_->set_identifier (ly_symbol2scm ("parser"), - self_scm ()); + // TODO: use $parser + lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ()); output_basename_ = out_name; lexer_->main_input_name_ = name; message (_ ("Parsing...")); - // progress_indication ("\n"); set_yydebug (0); lexer_->new_input (init, sources_); File_name f (name); - String s = global_path.find (f.base_ + ".twy"); + string s = global_path.find (f.base_ + ".twy"); s = gulp_file_to_string (s, false, -1); - scm_eval_string (scm_makfrom0str (s.to_str0 ())); + scm_eval_string (ly_string2scm (s)); /* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to OUT_FILE (unless IN_FILE redefines output file name). */ @@ -119,36 +129,34 @@ Lily_parser::parse_file (String init, String name, String out_name) scm_set_current_module (mod); - if (!define_spots_.is_empty ()) + if (!define_spots_.empty ()) { - define_spots_.top ().warning (_ ("braces don't match")); + define_spots_.back ().warning (_ ("braces do not match")); error_level_ = 1; } error_level_ = error_level_ | lexer_->error_level_; - lexer_ = 0; + clear (); } void -Lily_parser::parse_string (String ly_code) +Lily_parser::parse_string (string ly_code) { - // TODO: use $parser + // TODO: use $parser lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ()); lexer_->main_input_name_ = ""; lexer_->is_main_input_ = true; - - set_yydebug (0); lexer_->new_input (lexer_->main_input_name_, ly_code, sources_); SCM mod = lexer_->set_current_scope (); do_yyparse (); scm_set_current_module (mod); - if (!define_spots_.is_empty ()) + if (!define_spots_.empty ()) { - if (define_spots_.is_empty () + if (define_spots_.empty () && !error_level_) programming_error ("define_spots_ don't match, but error_level_ not set."); } @@ -156,6 +164,24 @@ Lily_parser::parse_string (String ly_code) error_level_ = error_level_ | lexer_->error_level_; } +void +Lily_parser::include_string (string ly_code) +{ + lexer_->add_string_include (ly_code); +} + +void +Lily_parser::clear () +{ + if (lexer_) + { + while (lexer_->has_scope ()) + lexer_->remove_scope (); + } + + lexer_ = 0; +} + char const * Lily_parser::here_str0 () const { @@ -163,14 +189,14 @@ Lily_parser::here_str0 () const } void -Lily_parser::parser_error (String s) +Lily_parser::parser_error (string s) { - lexer_->here_input ().error (_ (s.to_str0 ())); + 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, string s) { i.error (s); error_level_ = 1; @@ -184,7 +210,7 @@ IMPLEMENT_DEFAULT_EQUAL_P (Lily_parser); /**************************************************************** - OUTPUT-DEF + OUTPUT-DEF ****************************************************************/ Output_def * @@ -208,29 +234,73 @@ get_midi (Lily_parser *parser) return layout; } +/* Return a copy of the top of $papers stack, or $defaultpaper if the + * stack is empty */ Output_def * get_paper (Lily_parser *parser) { - SCM id = parser->lexer_->lookup_identifier ("$defaultpaper"); - Output_def *layout = unsmob_output_def (id); + SCM papers = parser->lexer_->lookup_identifier ("$papers"); + Output_def *layout = ((papers == SCM_UNDEFINED) || scm_is_null (papers)) ? + 0 : unsmob_output_def (scm_car (papers)); + SCM default_paper = parser->lexer_->lookup_identifier ("$defaultpaper"); + layout = layout ? layout : unsmob_output_def (default_paper); layout = layout ? dynamic_cast (layout->clone ()) : new Output_def; layout->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T); return layout; } +/* Initialize (reset) the $papers stack */ +void +init_papers (Lily_parser *parser) +{ + parser->lexer_->set_identifier (ly_symbol2scm ("$papers"), SCM_EOL); +} + +/* Push a paper on top of $papers stack */ +void +push_paper (Lily_parser *parser, Output_def *paper) +{ + parser->lexer_->set_identifier (ly_symbol2scm ("$papers"), + scm_cons (paper->self_scm (), + parser->lexer_->lookup_identifier ("$papers"))); +} + +/* Pop a paper from $papers stack */ +void +pop_paper (Lily_parser *parser) +{ + if (scm_is_pair (parser->lexer_->lookup_identifier ("$papers"))) + parser->lexer_->set_identifier (ly_symbol2scm ("$papers"), + scm_cdr (parser->lexer_->lookup_identifier ("$papers"))); +} + +/* Change the paper on top of $papers stack */ +void +set_paper (Lily_parser *parser, Output_def *paper) +{ + scm_set_car_x (parser->lexer_->lookup_identifier ("$papers"), paper->self_scm ()); +} + SCM get_header (Lily_parser *parser) { SCM id = parser->lexer_->lookup_identifier ("$defaultheader"); if (!ly_is_module (id)) - id = ly_make_anonymous_module (be_safe_global); + id = parser->make_scope (); else { - SCM nid = ly_make_anonymous_module (false); - ly_module_copy(nid,id); + SCM nid = parser->make_scope (); + ly_module_copy (nid, id); id = nid; } - + return id; } + +SCM +Lily_parser::make_scope () const +{ + SCM module = ly_make_module (be_safe_global); + return module; +}