/*
- lily-parser-scheme.cc -- implement Lily_parser bindings
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2009 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 <unistd.h>
#include "file-path.hh"
#include "international.hh"
#include "lily-lexer.hh"
-#include "ly-module.hh"
#include "main.hh"
#include "program-option.hh"
#include "sources.hh"
#include "warn.hh"
+#include "lily-imports.hh"
LY_DEFINE (ly_parse_file, "ly:parse-file",
- 1, 0, 0, (SCM name),
- "Parse a single @code{.ly} file."
- " Upon failure, throw @code{ly-file-failed} key.")
+ 1, 0, 0, (SCM name),
+ "Parse a single @code{.ly} file."
+ " Upon failure, throw @code{ly-file-failed} key.")
{
LY_ASSERT_TYPE (scm_is_string, name, 1);
string file = ly_scm2string (name);
out_file_name.ext_ = "";
out_file_name.root_ = "";
- if (ly_get_option (ly_symbol2scm ("gui")) != SCM_BOOL_T
- && ly_get_option (ly_symbol2scm ("strip-output-dir")) == SCM_BOOL_T) {
- out_file_name.dir_ = "";
- }
+ if (!to_boolean (ly_get_option (ly_symbol2scm ("gui")))
+ && to_boolean (ly_get_option (ly_symbol2scm ("strip-output-dir"))))
+ {
+ out_file_name.dir_ = "";
+ }
/* When running from gui, generate output in .ly source directory. */
string output_name = output_name_global;
/* Interpret --output=DIR to mean --output=DIR/BASE. */
string dir;
if (is_dir (output_name))
- {
- dir = output_name;
- output_name = "";
- }
+ {
+ dir = output_name;
+ output_name = "";
+ }
else
- {
- File_name out (output_name);
- if (is_dir (out.dir_part ()))
- {
- dir = out.dir_part ();
- out_file_name = out.file_part ();
- }
- }
+ {
+ File_name out (output_name);
+ dir = out.dir_part ();
+ out_file_name = out.file_part ();
+ }
if (dir != "" && dir != "." && dir != get_working_directory ())
- {
- global_path.prepend (get_working_directory ());
- message (_f ("Changing working directory to: `%s'",
- dir.c_str ()));
- chdir (dir.c_str ());
- }
+ {
+ global_path.prepend (get_working_directory ());
+ message (_f ("Changing working directory to: `%s'", dir));
+ // If we can't change to the output dir (not existing, wrong
+ // permissions), exit lilypond
+ if (chdir (dir.c_str ()) != 0)
+ error (_f ("unable to change directory to: `%s'", dir));
+ }
else
- out_file_name = File_name (output_name);
+ out_file_name = File_name (output_name);
}
string init;
{
warning (_f ("cannot find init file: `%s'", init));
warning (_f ("(search path: `%s')",
- global_path.to_string ().c_str ()));
+ global_path.to_string ().c_str ()));
exit (2);
}
-
bool error = false;
if ((file_name != "-") && file_name.empty ())
{
sources.set_path (&global_path);
string mapped_fn = map_file_name (file_name);
- message (_f ("Processing `%s'", mapped_fn.c_str ()));
- progress_indication ("\n");
+ basic_progress (_f ("Processing `%s'", mapped_fn.c_str ()));
Lily_parser *parser = new Lily_parser (&sources);
if (error)
/* TODO: pass renamed input file too. */
scm_throw (ly_symbol2scm ("ly-file-failed"),
- scm_list_1 (ly_string2scm (file_name)));
+ scm_list_1 (ly_string2scm (file_name)));
return SCM_UNSPECIFIED;
}
-
LY_DEFINE (ly_parser_lexer, "ly:parser-lexer",
- 1, 0, 0, (SCM parser_smob),
- "Return the lexer for @var{parser-smob}.")
+ 0, 1, 0, (SCM parser),
+ "Return the lexer for @var{parser}, defaulting to current parser")
{
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
- return parser->lexer_->self_scm ();
+ if (SCM_UNBNDP (parser))
+ parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 1);
+ return p->lexer_->self_scm ();
}
LY_DEFINE (ly_parser_clone, "ly:parser-clone",
- 1, 0, 0, (SCM parser_smob),
- "Return a clone of @var{parser-smob}.")
+ 0, 2, 0, (SCM closures, SCM location),
+ "Return a clone of current parser. An association list"
+ " of port positions to closures can be specified in @var{closures}"
+ " in order to have @code{$} and @code{#} interpreted in their original"
+ " lexical environment. If @var{location} is a valid location,"
+ " it becomes the source of all music expressions inside.")
{
- LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
- Lily_parser *clone = new Lily_parser (*parser);
+ SCM parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 0);
+
+ if (SCM_UNBNDP (closures))
+ closures = SCM_EOL;
+ else
+ LY_ASSERT_TYPE (ly_is_list, closures, 2);
+ Lily_parser *clone = new Lily_parser (*p, closures, location);
return clone->unprotect ();
}
LY_DEFINE (ly_parser_define_x, "ly:parser-define!",
- 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
- "Bind @var{symbol} to @var{val} in @var{parser-smob}'s module.")
+ 2, 0, 0, (SCM symbol, SCM val),
+ "Bind @var{symbol} to @var{val} in current parser's module.")
{
+ SCM parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 0);
- LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ LY_ASSERT_TYPE (ly_is_symbol, symbol, 1);
- LY_ASSERT_TYPE (ly_is_symbol, symbol, 2);
-
- parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
+ p->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
return SCM_UNSPECIFIED;
}
LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
- 2, 0, 0, (SCM parser_smob, SCM symbol),
- "Look up @var{symbol} in @var{parser-smob}'s module."
- " Return @code{'()} if not defined.")
+ 1, 0, 0, (SCM symbol),
+ "Look up @var{symbol} in current parser's module."
+ " Return @code{'()} if not defined.")
{
- LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
-
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ SCM parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 0);
- LY_ASSERT_TYPE (ly_is_symbol, symbol, 2);
+ LY_ASSERT_TYPE (ly_is_symbol, symbol, 1);
- SCM val = parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
- if (val != SCM_UNDEFINED)
+ SCM val = p->lexer_->lookup_identifier (ly_symbol2string (symbol));
+ if (!SCM_UNBNDP (val))
return val;
else
return SCM_EOL;
}
LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
- 2, 0, 0, (SCM parser_smob, SCM ly_code),
- "Parse the string @var{ly-code} with @var{parser-smob}."
- " Upon failure, throw @code{ly-file-failed} key.")
+ 2, 0, 0, (SCM parser_smob, SCM ly_code),
+ "Parse the string @var{ly-code} with @var{parser-smob}."
+ " Upon failure, throw @code{ly-file-failed} key.")
{
LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ Lily_parser *parser = unsmob<Lily_parser> (parser_smob);
LY_ASSERT_TYPE (scm_is_string, ly_code, 2);
- parser->parse_string (ly_scm2string (ly_code));
+ if (!parser->lexer_->is_clean ())
+ parser->parser_error (_ ("ly:parser-parse-string is only valid with a new parser."
+ " Use ly:parser-include-string instead."));
+ else
+ parser->parse_string (ly_scm2string (ly_code));
return SCM_UNSPECIFIED;
}
-LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
- 2, 0, 0, (SCM parser, SCM names),
- "Replace current note names in @var{parser}."
- " @var{names} is an alist of symbols. This only has effect"
- " if the current mode is notes.")
+LY_DEFINE (ly_parse_string_expression, "ly:parse-string-expression",
+ 2, 2, 0, (SCM parser_smob, SCM ly_code, SCM filename,
+ SCM line),
+ "Parse the string @var{ly-code} with @var{parser-smob}."
+ " Return the contained music expression."
+ " @var{filename} and @var{line} are optional source indicators.")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
+ Lily_parser *parser = unsmob<Lily_parser> (parser_smob);
+ LY_ASSERT_TYPE (scm_is_string, ly_code, 2);
+ string fn;
+ if (SCM_UNBNDP (filename) || !scm_is_string (filename))
+ fn = "<string>";
+ else
+ fn = ly_scm2string (filename);
+ int ln;
+ if (SCM_UNBNDP (line) || !scm_is_integer (line))
+ ln = 0;
+ else
+ ln = scm_to_int (line);
- if (p->lexer_->is_note_state ())
+ if (!parser->lexer_->is_clean ())
{
- p->lexer_->pop_state ();
- p->lexer_->push_note_state (alist_to_hashq (names));
+ parser->parser_error (_ ("ly:parse-string-expression is only valid with a new parser."
+ " Use ly:parser-include-string instead."));
+ return SCM_UNSPECIFIED;
}
- return SCM_UNSPECIFIED;
+ return parser->parse_string_expression (ly_scm2string (ly_code),
+ fn, ln);
}
-LY_DEFINE (ly_parser_set_repetition_symbol, "ly:parser-set-repetition-symbol",
- 2, 0, 0, (SCM parser, SCM sym),
- "Replace the current repetition symbol in @var{parser}."
- " @var{sym} is the new repetition symbol.")
+LY_DEFINE (ly_parser_include_string, "ly:parser-include-string",
+ 1, 0, 0, (SCM ly_code),
+ "Include the string @var{ly-code} into the input stream"
+ " for current parser. Can only be used in immediate"
+ " Scheme expressions (@code{$} instead of @code{#}).")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ SCM parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 0);
- p->lexer_->chord_repetition_.repetition_symbol_ = sym;
+ LY_ASSERT_TYPE (scm_is_string, ly_code, 1);
+
+ p->include_string (ly_scm2string (ly_code));
return SCM_UNSPECIFIED;
}
-LY_DEFINE (ly_parser_set_repetition_function, "ly:parser-set-repetition-function",
- 2, 0, 0, (SCM parser, SCM fun),
- "Replace the current repetition function in @var{parser}."
- " @var{fun} is the new repetition function.")
+LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
+ 1, 0, 0, (SCM names),
+ "Replace current note names in parser."
+ " @var{names} is an alist of symbols. This only has effect"
+ " if the current mode is notes.")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ SCM parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 0);
- p->lexer_->chord_repetition_.repetition_function_ = fun;
+ if (p->lexer_->is_note_state ())
+ {
+ p->lexer_->pop_state ();
+ p->lexer_->push_note_state (names);
+ }
return SCM_UNSPECIFIED;
}
LY_DEFINE (ly_parser_output_name, "ly:parser-output-name",
- 1, 0, 0, (SCM parser),
- "Return the base name of the output file.")
+ 0, 1, 0, (SCM parser),
+ "Return the base name of the output file. If @code{parser} is left off, use currently active parser.")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ if (SCM_UNBNDP (parser))
+ parser = scm_fluid_ref (Lily::f_parser);
+
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 1);
return ly_string2scm (p->output_basename_);
}
LY_DEFINE (ly_parser_error, "ly:parser-error",
- 2, 1, 0, (SCM parser, SCM msg, SCM input),
- "Display an error message and make the parser fail.")
+ 1, 1, 0, (SCM msg, SCM input),
+ "Display an error message and make current parser fail."
+ " Without a current parser, trigger an ordinary error.")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ SCM parser = scm_fluid_ref (Lily::f_parser);
- LY_ASSERT_TYPE (scm_is_string, msg, 2);
+ Lily_parser *p = unsmob<Lily_parser> (parser);
+
+ LY_ASSERT_TYPE (scm_is_string, msg, 1);
string s = ly_scm2string (msg);
- Input *i = unsmob_input (input);
- if (i)
- p->parser_error (*i, s);
+ Input *i = unsmob<Input> (input);
+ if (p)
+ {
+ if (i)
+ p->parser_error (*i, s);
+ else
+ p->parser_error (s);
+ }
else
- p->parser_error (s);
-
- return parser;
+ {
+ if (i)
+ i->non_fatal_error (s);
+ else
+ scm_misc_error ("ly:parser-error", "~A", scm_list_1 (msg));
+ }
+ return SCM_UNSPECIFIED;
}
LY_DEFINE (ly_parser_clear_error, "ly:parser-clear-error",
- 1, 0, 0, (SCM parser),
- "Clear the error flag for the parser.")
+ 0, 1, 0, (SCM parser),
+ "Clear error flag for @var{parser}, defaulting to current parser.")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ if (SCM_UNBNDP (parser))
+ parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 1);
p->error_level_ = 0;
p->lexer_->error_level_ = 0;
}
LY_DEFINE (ly_parser_has_error_p, "ly:parser-has-error?",
- 1, 0, 0, (SCM parser),
- "Does @var{parser} have an error flag?")
+ 0, 1, 0, (SCM parser),
+ "Does @var{parser} (defaulting to current parser) have an error flag?")
{
- LY_ASSERT_SMOB (Lily_parser, parser, 1);
- Lily_parser *p = unsmob_lily_parser (parser);
+ if (SCM_UNBNDP (parser))
+ parser = scm_fluid_ref (Lily::f_parser);
+ Lily_parser *p = LY_ASSERT_SMOB (Lily_parser, parser, 1);
return scm_from_bool (p->error_level_ || p->lexer_->error_level_);
}
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