/*
my-lily-lexer.cc -- implement My_lily_lexer
- source file of the LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <strstream.h>
#include "interval.hh"
#include "identifier.hh"
-#include "assoc-iter.hh"
-#include "out/parser.hh"
+#include "lily-guile.hh"
+#include "parser.hh"
#include "keyword.hh"
-#include "assoc.hh"
#include "my-lily-lexer.hh"
#include "debug.hh"
#include "source-file.hh"
-#include "parseconstruct.hh"
+#include "main.hh"
+#include "scope.hh"
+#include "input.hh"
+#include "moment.hh"
static Keyword_ent the_key_tab[]={
- "bar", BAR,
- "cadenza", CADENZA,
- "clef", CLEF,
- "cm", CM_T,
- "duration", DURATIONCOMMAND,
- "absdynamic", ABSDYNAMIC,
- "group", GROUP,
- "geometric", GEOMETRIC,
- "in", IN_T,
- "inputregister", INPUT_REGS,
- "lyric", LYRIC,
- "key", KEY,
- "melodic" , MELODIC,
- "melodic_request", MELODIC_REQUEST,
- "meter", METER,
- "midi", MIDI,
- "mm", MM_T,
- "multivoice", MULTIVOICE,
- "note", NOTE,
- "octave", OCTAVECOMMAND,
- "output", OUTPUT,
- "partial", PARTIAL,
- "paper", PAPER,
- "plet", PLET,
- "pt", PT_T,
- "score", SCORE,
- "script", SCRIPT,
- "skip", SKIP,
- "staff", STAFF,
- "start", START_T,
- "stem", STEM,
- "table", TABLE,
- "spandynamic", SPANDYNAMIC,
- "symboltables", SYMBOLTABLES,
- "tempo", TEMPO,
- "texid", TEXID,
- "textstyle", TEXTSTYLE,
- "transpose", TRANSPOSE,
- "unitspace", UNITSPACE,
- "width", WIDTH,
- "grouping", GROUPING,
- 0,0
+ {"autochange", AUTOCHANGE},
+ {"spanrequest", SPANREQUEST},
+ {"commandspanrequest", COMMANDSPANREQUEST},
+ {"simultaneous", SIMULTANEOUS},
+ {"sequential", SEQUENTIAL},
+ {"accepts", ACCEPTS},
+ {"alternative", ALTERNATIVE},
+ {"bar", BAR},
+ {"breathe", BREATHE},
+ {"char", CHAR_T},
+ {"chordmodifiers", CHORDMODIFIERS},
+ {"chords", CHORDS},
+ {"clef", CLEF},
+ {"cm", CM_T},
+ {"consists", CONSISTS},
+ {"consistsend", CONSISTSEND},
+ {"context", CONTEXT},
+ {"denies", DENIES},
+ {"duration", DURATION},
+ {"font", FONT},
+ {"grace", GRACE},
+ {"header", HEADER},
+ {"in", IN_T},
+ {"lyrics", LYRICS},
+ {"key", KEY},
+ {"mark", MARK},
+ {"musicalpitch", MUSICAL_PITCH},
+ {"time", TIME_T},
+ {"times", TIMES},
+ {"midi", MIDI},
+ {"mm", MM_T},
+ {"name", NAME},
+ {"notenames", NOTENAMES},
+ {"notes", NOTES},
+ {"outputproperty", OUTPUTPROPERTY},
+ {"pushproperty", PUSHPROPERTY},
+ {"popproperty", POPPROPERTY},
+ {"partial", PARTIAL},
+ {"paper", PAPER},
+ {"penalty", PENALTY},
+ {"property", PROPERTY},
+ {"pt", PT_T},
+ {"relative", RELATIVE},
+ {"remove", REMOVE},
+ {"repeat", REPEAT},
+ {"addlyrics", ADDLYRICS},
+ {"partcombine", PARTCOMBINE},
+ {"score", SCORE},
+ {"script", SCRIPT},
+ {"skip", SKIP},
+ {"textscript", TEXTSCRIPT},
+ {"tempo", TEMPO},
+ {"translator", TRANSLATOR},
+ {"transpose", TRANSPOSE},
+ {"type", TYPE},
+ {0,0}
};
My_lily_lexer::My_lily_lexer()
{
- keytable_p_ = new Keyword_table(the_key_tab);
- identifier_assoc_p_ = new Assoc<String, Identifier*>;
- errorlevel_i_ = 0;
- post_quotes_b_ = false;
-
+ keytable_p_ = new Keyword_table (the_key_tab);
+ toplevel_scope_p_ = new Scope;
+ scope_l_arr_.push (toplevel_scope_p_);
+ errorlevel_i_ = 0;
+ main_input_b_ = false;
}
int
-My_lily_lexer::lookup_keyword(String s)
+My_lily_lexer::lookup_keyword (String s)
{
- return keytable_p_->lookup(s);
+ return keytable_p_->lookup (s.ch_C ());
}
-Identifier*
-My_lily_lexer::lookup_identifier(String s)
+SCM
+My_lily_lexer::lookup_identifier (String s)
{
- if (!identifier_assoc_p_->elt_query(s))
- return 0;
-
- return (*identifier_assoc_p_)[s];
+ SCM sym = ly_symbol2scm (s.ch_C());
+
+ for (int i = scope_l_arr_.size (); i--; )
+ if (scope_l_arr_[i]->elem_b (sym))
+ return scope_l_arr_[i]->scm_elem(sym);
+ return SCM_UNSPECIFIED;
}
+void
+My_lily_lexer::start_main_input ()
+{
+ new_input (main_input_str_, source_global_l);
+ allow_includes_b_ = allow_includes_b_ && !(safe_global_b);
+}
void
-My_lily_lexer::add_identifier(Identifier*i)
+My_lily_lexer::set_identifier (String name_str, SCM s)
{
- delete lookup_identifier(i->name);
- (*identifier_assoc_p_)[i->name] = i;
+ if (lookup_keyword (name_str) >= 0)
+ {
+ warning ( _f ("Identifier name is a keyword: `%s'", name_str));
+ }
+
+ scope_l_arr_.top ()->set (name_str, s);
}
My_lily_lexer::~My_lily_lexer()
{
- delete keytable_p_;
-
- for (Assoc_iter<String,Identifier*>
- ai(*identifier_assoc_p_); ai.ok(); ai++) {
- mtor << "deleting: " << ai.key()<<'\n';
- Identifier *i_p = ai.val();
- if (!i_p->accessed_b_ && !i_p->init_b_)
- i_p->warning("Variable not used");
-
- delete ai.val();
- }
- delete identifier_assoc_p_;
+ delete keytable_p_;
+ delete toplevel_scope_p_ ;
}
+
+
+
void
-My_lily_lexer::print_declarations(bool init_b)const
+My_lily_lexer::LexerError (char const *s)
{
- for (Assoc_iter<String,Identifier*> ai(*identifier_assoc_p_); ai.ok();
- ai++) {
- if (ai.val()->init_b_ == init_b)
- ai.val()->print();
+ if (include_stack_.empty())
+ {
+ progress_indication (_f ("error at EOF: %s", s)+ String ("\n"));
+ }
+ else
+ {
+ errorlevel_i_ |= 1;
+ Input spot (source_file_l(),here_ch_C());
+ spot.error (s);
}
}
-void
-My_lily_lexer::LexerError(char const *s)
+char
+My_lily_lexer::escaped_char(char c) const
{
- if (include_stack_.empty()) {
- *mlog << "error at EOF" << s << '\n';
- } else {
- errorlevel_i_ |= 1;
- error(String(s));
- // FIXME.
-/*Input spot(source_l_g = here_spot();
-
- spot.error( s );
- */
+ switch(c)
+ {
+ case 'n':
+ return '\n';
+ case 't':
+ return '\t';
+
+ case '\'':
+ case '\"':
+ case '\\':
+ return c;
}
+ return 0;
}
+Input
+My_lily_lexer::here_input () const
+{
+ Source_file * f_l= source_file_l ();
+ return Input (f_l, (char*)here_ch_C ());
+}
projects / lilypond.git / blobdiff