source file of the GNU LilyPond music typesetter
- (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include <unistd.h>
+#include "lily-parser.hh"
+
#include "file-name-map.hh"
#include "file-name.hh"
#include "file-path.hh"
-#include "input.hh"
#include "international.hh"
#include "lily-lexer.hh"
-#include "lily-parser.hh"
#include "ly-module.hh"
#include "main.hh"
#include "program-option.hh"
-#include "source.hh"
+#include "sources.hh"
#include "warn.hh"
/* Do not append `!' suffix, since 1st argument is not modified. */
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.")
+ "Parse a single @code{.ly} file."
+ " Upon failure, throw @code{ly-file-failed} key.")
{
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, name, 1);
string file = ly_scm2string (name);
char const *extensions[] = {"ly", "", 0};
if (dir != "" && dir != "." && dir != get_working_directory ())
{
global_path.prepend (get_working_directory ());
- message (_f ("Changing working directory to `%s'",
+ message (_f ("Changing working directory to: `%s'",
dir.c_str ()));
chdir (dir.c_str ());
}
if (init.length () && global_path.find (init).empty ())
{
- warning (_f ("can't find init file: `%s'", init));
+ warning (_f ("cannot find init file: `%s'", init));
warning (_f ("(search path: `%s')",
global_path.to_string ().c_str ()));
exit (2);
}
- if ((file_name != "-") && global_path.find (file_name).empty ())
+
+ bool error = false;
+ if ((file_name != "-") && file_name.empty ())
{
- warning (_f ("can't find file: `%s'", file_name));
- scm_throw (ly_symbol2scm ("ly-file-failed"),
- scm_list_1 (scm_makfrom0str (file_name.c_str ())));
+ warning (_f ("cannot find file: `%s'", file));
+ error = true;
}
else
{
parser->parse_file (init, file_name, out_file);
- bool error = parser->error_level_;
+ error = parser->error_level_;
+
+ parser->clear ();
parser->unprotect ();
- parser = 0;
- if (error)
- /* TODO: pass renamed input file too. */
- scm_throw (ly_symbol2scm ("ly-file-failed"),
- scm_list_1 (scm_makfrom0str (file_name.c_str ())));
}
+
+ /*
+ outside the if-else to ensure cleanup fo Sources object,
+ */
+ if (error)
+ /* TODO: pass renamed input file too. */
+ scm_throw (ly_symbol2scm ("ly-file-failed"),
+ scm_list_1 (ly_string2scm (file_name)));
+
return SCM_UNSPECIFIED;
}
-LY_DEFINE (ly_parse_string, "ly:parse-string",
- 1, 0, 0, (SCM ly_code),
- "Parse the string LY_CODE. "
- "Upon failure, throw @code{ly-file-failed} key.")
-{
- SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
-
- Sources sources;
- sources.set_path (&global_path);
- Lily_parser *parser = new Lily_parser (&sources);
- parser->parse_string (ly_scm2string (ly_code));
- parser->unprotect ();
- parser = 0;
- return SCM_UNSPECIFIED;
+LY_DEFINE (ly_parser_lexer, "ly:parser-lexer",
+ 1, 0, 0, (SCM parser_smob),
+ "Return the lexer for @var{parser-smob}.")
+{
+ Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ return parser->lexer_->self_scm ();
}
-LY_DEFINE (ly_clone_parser, "ly:clone-parser",
+LY_DEFINE (ly_parser_clone, "ly:parser-clone",
1, 0, 0, (SCM parser_smob),
- "Return a clone of PARSER_SMOB.")
+ "Return a clone of @var{parser-smob}.")
{
+ LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
Lily_parser *parser = unsmob_lily_parser (parser_smob);
Lily_parser *clone = new Lily_parser (*parser);
return clone->unprotect ();
}
-LY_DEFINE (ly_parser_define, "ly:parser-define!",
+LY_DEFINE (ly_parser_define_x, "ly:parser-define!",
3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
- "Bind SYMBOL to VAL in PARSER_SMOB's module.")
+ "Bind @var{symbol} to @var{val} in @var{parser-smob}'s module.")
{
+
+ LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
Lily_parser *parser = unsmob_lily_parser (parser_smob);
- SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
+ LY_ASSERT_TYPE (ly_is_symbol, symbol, 2);
+
parser->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),
- "Lookup @var{symbol} in @var{parser_smob}'s module. "
- "Undefined is '().")
+ "Look up @var{symbol} in @var{parser-smob}'s module."
+ " Return @code{'()} if not defined.")
{
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
- SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
+ Lily_parser *parser = unsmob_lily_parser (parser_smob);
+
+ LY_ASSERT_TYPE (ly_is_symbol, symbol, 2);
SCM val = parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
if (val != SCM_UNDEFINED)
LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
2, 0, 0, (SCM parser_smob, SCM ly_code),
- "Parse the string LY_CODE with PARSER_SMOB."
- "Upon failure, throw @code{ly-file-failed} key.")
+ "Parse the string @var{ly-code} with @var{parser-smob}."
+ " Upon failure, throw @code{ly-file-failed} key.")
{
- Lily_parser *parser = unsmob_lily_parser (parser_smob);
-
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
- SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
+ 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);
parser->parse_string (ly_scm2string (ly_code));
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.")
+ "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_ASSERT_SMOB (Lily_parser, parser, 1);
Lily_parser *p = unsmob_lily_parser (parser);
- SCM_ASSERT_TYPE (p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
if (p->lexer_->is_note_state ())
{
1, 0, 0, (SCM parser),
"Return the base name of the output file.")
{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
Lily_parser *p = unsmob_lily_parser (parser);
- SCM_ASSERT_TYPE (p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
- return scm_makfrom0str (p->output_basename_.c_str ());
+ 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")
+ "Display an error message and make the parser fail.")
{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
Lily_parser *p = unsmob_lily_parser (parser);
- SCM_ASSERT_TYPE (p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
- SCM_ASSERT_TYPE (scm_is_string (msg), msg, SCM_ARG2, __FUNCTION__, "string");
+
+ LY_ASSERT_TYPE (scm_is_string, msg, 2);
string s = ly_scm2string (msg);
Input *i = unsmob_input (input);
return parser;
}
+
+LY_DEFINE (ly_parser_clear_error, "ly:parser-clear-error",
+ 1, 0, 0, (SCM parser),
+ "Clear the error flag for the parser.")
+{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
+ Lily_parser *p = unsmob_lily_parser (parser);
+
+
+ p->error_level_ = 0;
+ p->lexer_->error_level_ = 0;
+
+ return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_parser_has_error_p, "ly:parser-has-error?",
+ 1, 0, 0, (SCM parser),
+ "Does @var{parser} have an error flag?")
+{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
+ Lily_parser *p = unsmob_lily_parser (parser);
+
+ return scm_from_bool (p->error_level_ || p->lexer_->error_level_);
+}