X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flexer.ll;h=93184ebe085dc2d432274a06d4eeb887e565fe01;hb=8627d767e67258394cd4256740542a36dacd7868;hp=9fb4cb6d558429e8d76811d6cb2922ab1da9f6d0;hpb=c3e3f53e4380b024aecd64eeb985973fcb19bde4;p=lilypond.git diff --git a/lily/lexer.ll b/lily/lexer.ll index 9fb4cb6d55..93184ebe08 100644 --- a/lily/lexer.ll +++ b/lily/lexer.ll @@ -1,8 +1,8 @@ -%{ // -*- mode: c++; c-file-style: "linux" -*- +%{ // -*- mode: c++; c-file-style: "linux"; indent-tabs-mode: t -*- /* This file is part of LilyPond, the GNU music typesetter. - Copyright (C) 1996--2012 Han-Wen Nienhuys + Copyright (C) 1996--2015 Han-Wen Nienhuys Jan Nieuwenhuizen LilyPond is free software: you can redistribute it and/or modify @@ -30,9 +30,9 @@ /* backup rules - after making a change to the lexer rules, run + after making a change to the lexer rules, run flex -b - and make sure that + and make sure that lex.backup contains no backup states, but only the reminder Compressed tables always back up. @@ -69,9 +69,9 @@ using namespace std; #include "pitch.hh" #include "source-file.hh" #include "std-string.hh" -#include "string-convert.hh" #include "version.hh" #include "warn.hh" +#include "lily-imports.hh" /* RH 7 fix (?) @@ -86,13 +86,19 @@ SCM lookup_markup_list_command (string s); bool is_valid_version (string s); -#define start_quote() \ - yy_push_state (quote);\ - yylval.string = new string +#define start_quote() do { \ + yy_push_state (quote); \ + yylval = SCM_EOL; \ + } while (0) -#define start_lyric_quote() \ - yy_push_state (lyric_quote);\ - yylval.string = new string +/* + The inside of \"violin1" is marked by commandquote mode +*/ + +#define start_command_quote() do { \ + yy_push_state (commandquote); \ + yylval = SCM_EOL; \ + } while (0) #define yylval (*lexval_) @@ -114,19 +120,19 @@ SCM (* scm_parse_error_handler) (void *); %option debug %option yyclass="Lily_lexer" %option stack -%option never-interactive +%option never-interactive %option warn -%x extratoken %x chords %x figures %x incl %x lyrics -%x lyric_quote %x longcomment +%x maininput %x markup %x notes %x quote +%x commandquote %x sourcefileline %x sourcefilename %x version @@ -151,24 +157,23 @@ A [a-zA-Z\200-\377] AA {A}|_ N [0-9] ANY_CHAR (.|\n) -PUNCT [][()?!:'`] -SPECIAL_CHAR [&@] -NATIONAL [\001-\006\021-\027\031\036] -TEX {AA}|-|{PUNCT}|{NATIONAL}|{SPECIAL_CHAR} -WORD {A}([-_]{A}|{A})* -COMMAND \\{WORD} - +SYMBOL {A}([-_]{A}|{A})* +COMMAND \\{SYMBOL} +/* SPECIAL category is for every letter that needs to get passed to + * the parser rather than being redefinable by the user */ +SPECIAL [-+*/=<>{}!?_^'',.:] +SHORTHAND (.|\\.) UNSIGNED {N}+ E_UNSIGNED \\{N}+ FRACTION {N}+\/{N}+ INT -?{UNSIGNED} REAL ({INT}\.{N}*)|(-?\.{N}+) +STRICTREAL {UNSIGNED}\.{UNSIGNED} WHITE [ \n\t\f\r] HORIZONTALWHITE [ \t] BLACK [^ \n\t\f\r] RESTNAME [rs] -LYRICS ({AA}|{TEX})[^0-9 \t\n\r\f]* -ESCAPED [nt\\'"] +ESCAPED [nt\\''""] EXTENDER __ HYPHEN -- BOM_UTF8 \357\273\277 @@ -180,40 +185,10 @@ BOM_UTF8 \357\273\277 // swallow and ignore carriage returns } -{ANY_CHAR} { - /* Generate a token without swallowing anything */ - - /* First unswallow the eaten character */ - add_lexed_char (-YYLeng ()); - yyless (0); - - /* produce requested token */ - int type = scm_to_int (scm_caar (extra_tokens_)); - yylval.scm = scm_cdar (extra_tokens_); - extra_tokens_ = scm_cdr (extra_tokens_); - if (scm_is_null (extra_tokens_)) - yy_pop_state (); - - return type; -} - -<> { - /* Generate a token without swallowing anything */ - - /* produce requested token */ - int type = scm_to_int (scm_caar (extra_tokens_)); - yylval.scm = scm_cdar (extra_tokens_); - extra_tokens_ = scm_cdr (extra_tokens_); - if (scm_is_null (extra_tokens_)) - yy_pop_state (); - - return type; -} - /* Use the trailing context feature. Otherwise, the BOM will not be found if the file starts with an identifier definition. */ {BOM_UTF8}/.* { - if (this->lexloc_->line_number () != 1 || this->lexloc_->column_number () != 0) + if (lexloc_->line_number () != 1 || lexloc_->column_number () != 0) { LexerWarning (_ ("stray UTF-8 BOM encountered").c_str ()); // exit (1); @@ -225,16 +200,10 @@ BOM_UTF8 \357\273\277 "%{" { yy_push_state (longcomment); } - %[^{\n\r][^\n\r]*[\n\r] { - (void) YYText_utf8 (); - } - %[^{\n\r] { // backup rule + %[^{\n\r][^\n\r]*[\n\r]? { (void) YYText_utf8 (); } - %[\n\r] { - } - %[^{\n\r][^\n\r]* { - (void) YYText_utf8 (); + %[\n\r]? { } {WHITE}+ { @@ -256,7 +225,7 @@ BOM_UTF8 \357\273\277 \\sourcefileline{WHITE}* { yy_push_state (sourcefileline); } -\"[^"]*\" { /* got the version number */ +\"[^""]*\" { /* got the version number */ string s (YYText_utf8 () + 1); s = s.substr (0, s.rfind ('\"')); @@ -265,17 +234,17 @@ BOM_UTF8 \357\273\277 SCM top_scope = scm_car (scm_last_pair (scopes_)); scm_module_define (top_scope, ly_symbol2scm ("version-seen"), SCM_BOOL_T); - if (!is_valid_version (s)) + if (!is_valid_version (s)) { + yylval = SCM_UNSPECIFIED; return INVALID; - - + } } \"[^""]*\" { string s (YYText_utf8 () + 1); s = s.substr (0, s.rfind ('\"')); yy_pop_state (); - this->here_input().get_source_file ()->name_ = s; + here_input().get_source_file ()->name_ = s; message (_f ("Renaming input to: `%s'", s.c_str ())); progress_indication ("\n"); scm_module_define (scm_car (scopes_), @@ -289,7 +258,7 @@ BOM_UTF8 \357\273\277 sscanf (YYText (), "%d", &i); yy_pop_state (); - this->here_input ().get_source_file ()->set_line (here_input ().start (), i); + here_input ().get_source_file ()->set_line (here_input ().start (), i); } {ANY_CHAR} { @@ -321,10 +290,14 @@ BOM_UTF8 \357\273\277 if (!is_main_input_) { start_main_input (); + main_input_level_ = include_stack_.size (); is_main_input_ = true; + int state = YYSTATE; + yy_push_state (maininput); + yy_push_state (state); } else - error (_ ("\\maininput not allowed outside init files")); + LexerError (_ ("\\maininput not allowed outside init files").c_str ()); } \\include { @@ -357,12 +330,11 @@ BOM_UTF8 \357\273\277 } } (\$|#) { // scm for the filename - int n = 0; Input hi = here_input(); hi.step_forward (); - SCM sval = ly_parse_scm (hi.start (), &n, hi, - be_safe_global && is_main_input_, parser_); - sval = eval_scm (sval); + SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_); + sval = eval_scm (sval, hi); + int n = hi.end () - hi.start (); for (int i = 0; i < n; i++) { @@ -375,7 +347,7 @@ BOM_UTF8 \357\273\277 yy_pop_state (); } else { LexerError (_ ("string expected after \\include").c_str ()); - if (sval != SCM_UNDEFINED) { + if (!SCM_UNBNDP (sval)) { SCM err = scm_current_error_port (); scm_puts ("This value was found instead: ", err); scm_display (sval, err); @@ -384,57 +356,58 @@ BOM_UTF8 \357\273\277 } \"[^""]* { // backup rule - error (_ ("end quote missing")); - exit (1); + LexerError (_ ("end quote missing").c_str ()); + yy_pop_state (); } /* Flex picks the longest matching pattern including trailing * contexts. Without the backup pattern, r-. does not trigger the - * {RESTNAME} rule but rather the {WORD}/[-_] rule coming later, + * {RESTNAME} rule but rather the {SYMBOL}/[-_] rule coming later, * needed for avoiding backup states. */ {RESTNAME}/[-_] | // pseudo backup rule {RESTNAME} { char const *s = YYText (); - yylval.scm = scm_from_locale_string (s); + yylval = scm_from_ascii_string (s); return RESTNAME; } q/[-_] | // pseudo backup rule q { + yylval = SCM_UNSPECIFIED; return CHORD_REPETITION; } R/[-_] | // pseudo backup rule R { + yylval = SCM_UNSPECIFIED; return MULTI_MEASURE_REST; } # { //embedded scm - int n = 0; Input hi = here_input(); hi.step_forward (); - SCM sval = ly_parse_scm (hi.start (), &n, hi, - be_safe_global && is_main_input_, parser_); + SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_); - if (sval == SCM_UNDEFINED) + if (SCM_UNBNDP (sval)) error_level_ = 1; + int n = hi.end () - hi.start (); for (int i = 0; i < n; i++) { yyinput (); } char_count_stack_.back () += n; - yylval.scm = sval; + yylval = sval; return SCM_TOKEN; } \$ { //immediate scm - int n = 0; Input hi = here_input(); hi.step_forward (); - SCM sval = ly_parse_scm (hi.start (), &n, hi, - be_safe_global && is_main_input_, parser_); + SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_); + + int n = hi.end () - hi.start (); for (int i = 0; i < n; i++) { @@ -442,172 +415,238 @@ BOM_UTF8 \357\273\277 } char_count_stack_.back () += n; - sval = eval_scm (sval, '$'); + sval = eval_scm (sval, hi, '$'); int token = scan_scm_id (sval); - if (!scm_is_eq (yylval.scm, SCM_UNSPECIFIED)) + if (!scm_is_eq (yylval, SCM_UNSPECIFIED)) return token; } -{ +{ \<\< { + yylval = SCM_UNSPECIFIED; return DOUBLE_ANGLE_OPEN; } \>\> { + yylval = SCM_UNSPECIFIED; return DOUBLE_ANGLE_CLOSE; } } -{ +{ \< { + yylval = SCM_UNSPECIFIED; return ANGLE_OPEN; } \> { + yylval = SCM_UNSPECIFIED; return ANGLE_CLOSE; } } { _ { + yylval = SCM_UNSPECIFIED; return FIGURE_SPACE; } \> { + yylval = SCM_UNSPECIFIED; return FIGURE_CLOSE; } \< { + yylval = SCM_UNSPECIFIED; return FIGURE_OPEN; } + \\\+ { + yylval = SCM_UNSPECIFIED; + return E_PLUS; + } + \\! { + yylval = SCM_UNSPECIFIED; + return E_EXCLAMATION; + } + \\\\ { + yylval = SCM_UNSPECIFIED; + return E_BACKSLASH; + } + [][] { + yylval = SCM_UNSPECIFIED; + return YYText ()[0]; + } } { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } - + \\\" { + start_command_quote (); + } {COMMAND}/[-_] | // backup rule {COMMAND} { return scan_escaped_word (YYText_utf8 () + 1); } {FRACTION} { - yylval.scm = scan_fraction (YYText ()); + yylval = scan_fraction (YYText ()); return FRACTION; } - {UNSIGNED}/\/ | // backup rule - {UNSIGNED} { - yylval.scm = scm_c_read_string (YYText ()); + {STRICTREAL} { + yylval = scm_c_read_string (YYText ()); + return REAL; + } + {UNSIGNED}/[/.] | // backup rule + {UNSIGNED} { + yylval = scm_c_read_string (YYText ()); return UNSIGNED; } {E_UNSIGNED} { - yylval.i = String_convert::dec2int (string (YYText () +1)); + yylval = scm_c_read_string (YYText () + 1); return E_UNSIGNED; } } -{ +{ \\{ESCAPED} { - *yylval.string += to_string (escaped_char (YYText ()[1])); + char c = escaped_char (YYText ()[1]); + yylval = scm_cons (scm_from_ascii_stringn (&c, 1), + yylval); } [^\\""]+ { - *yylval.string += YYText_utf8 (); + yylval = scm_cons (scm_from_utf8_string (YYText_utf8 ()), + yylval); } \" { + /* yylval is union. Must remember STRING before setting SCM*/ + + yylval = scm_string_concatenate_reverse (yylval, + SCM_UNDEFINED, + SCM_UNDEFINED); + + if (get_state () == commandquote) { + yy_pop_state (); + return scan_escaped_word (ly_scm2string (yylval)); + } + yy_pop_state (); - /* yylval is union. Must remember STRING before setting SCM*/ - string *sp = yylval.string; - yylval.scm = ly_string2scm (*sp); - delete sp; - return is_lyric_state () ? LYRICS_STRING : STRING; + return STRING; } \\ { - *yylval.string += YYText (); + yylval = scm_cons (scm_from_ascii_string (YYText ()), + yylval); } } { \" { - start_lyric_quote (); + start_quote (); } {FRACTION} { - yylval.scm = scan_fraction (YYText ()); + yylval = scan_fraction (YYText ()); return FRACTION; } - {UNSIGNED}/\/ | // backup rule + {STRICTREAL} { + yylval = scm_c_read_string (YYText ()); + return REAL; + } + {UNSIGNED}/[/.] | // backup rule {UNSIGNED} { - yylval.scm = scm_c_read_string (YYText ()); + yylval = scm_c_read_string (YYText ()); return UNSIGNED; } + \\\" { + start_command_quote (); + } {COMMAND}/[-_] | // backup rule {COMMAND} { return scan_escaped_word (YYText_utf8 () + 1); } - {LYRICS} { + \\.|\| { + // UTF-8 already covered by COMMAND + return scan_shorthand (YYText ()); + } + /* Characters needed to express durations, assignments */ + [*.=] { + yylval = SCM_UNSPECIFIED; + return YYText ()[0]; + } + [^|*.=$#{}\"\\ \t\n\r\f0-9][^$#{}\"\\ \t\n\r\f0-9]* { /* ugr. This sux. */ - string s (YYText_utf8 ()); + string s (YYText_utf8 ()); + yylval = SCM_UNSPECIFIED; if (s == "__") - return yylval.i = EXTENDER; + return EXTENDER; if (s == "--") - return yylval.i = HYPHEN; + return HYPHEN; s = lyric_fudge (s); + yylval = ly_string2scm (s); - char c = s[s.length () - 1]; - if (c == '{' || c == '}') // brace open is for not confusing dumb tools. - here_input ().warning ( - _ ("Brace found at end of lyric. Did you forget a space?")); - yylval.scm = ly_string2scm (s); - - - return LYRICS_STRING; + return SYMBOL; } - . { - return YYText ()[0]; // LYRICS already catches all multibytes. + /* This should really just cover {} */ + [{}] { + yylval = SCM_UNSPECIFIED; + return YYText ()[0]; } } { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } + \\\" { + start_command_quote (); + } {COMMAND}/[-_] | // backup rule {COMMAND} { return scan_escaped_word (YYText_utf8 () + 1); } {FRACTION} { - yylval.scm = scan_fraction (YYText ()); + yylval = scan_fraction (YYText ()); return FRACTION; } {UNSIGNED}/\/ | // backup rule {UNSIGNED} { - yylval.scm = scm_c_read_string (YYText ()); + yylval = scm_c_read_string (YYText ()); return UNSIGNED; } - { + yylval = SCM_UNSPECIFIED; return CHORD_MINUS; } : { + yylval = SCM_UNSPECIFIED; return CHORD_COLON; } \/\+ { + yylval = SCM_UNSPECIFIED; return CHORD_BASS; } \/ { + yylval = SCM_UNSPECIFIED; return CHORD_SLASH; } \^ { + yylval = SCM_UNSPECIFIED; return CHORD_CARET; } - . { - return YYText ()[0]; // WORD catches all multibyte. - } } { \\score { + yylval = SCM_UNSPECIFIED; return SCORE; } + \\score-lines { + yylval = SCM_UNSPECIFIED; + return SCORELINES; + } + \\\" { + start_command_quote (); + } {COMMAND}/[-_] | // backup rule {COMMAND} { string str (YYText_utf8 () + 1); @@ -639,61 +678,67 @@ BOM_UTF8 \357\273\277 // in reverse order, so the first token pushed in the // loop will be EXPECT_NO_MORE_ARGS. - yylval.scm = scm_car(s); + yylval = scm_car(s); // yylval now contains the function to call as token // value (for token type MARKUP_FUNCTION or // MARKUP_LIST_FUNCTION). - push_extra_token(EXPECT_NO_MORE_ARGS); + push_extra_token (here_input (), EXPECT_NO_MORE_ARGS); s = scm_cdr(s); for (; scm_is_pair(s); s = scm_cdr(s)) { SCM predicate = scm_car(s); - if (predicate == ly_lily_module_constant ("markup-list?")) - push_extra_token(EXPECT_MARKUP_LIST); - else if (predicate == ly_lily_module_constant ("markup?")) - push_extra_token(EXPECT_MARKUP); + if (scm_is_eq (predicate, SCM (Lily::markup_list_p))) + push_extra_token (here_input (), EXPECT_MARKUP_LIST); + else if (scm_is_eq (predicate, SCM (Lily::markup_p))) + push_extra_token (here_input (), EXPECT_MARKUP); else - push_extra_token(EXPECT_SCM, predicate); + push_extra_token (here_input (), EXPECT_SCM, predicate); } return token_type; } - [{}] { - return YYText ()[0]; - } [^$#{}\"\\ \t\n\r\f]+ { string s (YYText_utf8 ()); - char c = s[s.length () - 1]; - /* brace open is for not confusing dumb tools. */ - if (c == '{' || c == '}') - here_input ().warning ( - _ ("Brace found at end of markup. Did you forget a space?")); - yylval.scm = ly_string2scm (s); - - - return STRING; + yylval = ly_string2scm (s); + return SYMBOL; } - . { - return YYText()[0]; // Above is catchall for multibyte + [{}] { + yylval = SCM_UNSPECIFIED; + return YYText ()[0]; } } <> { LexerError (_ ("EOF found inside a comment").c_str ()); - is_main_input_ = false; // should be safe , can't have \include in --safe. - if (!close_input ()) - yyterminate (); // can't move this, since it actually rets a YY_NULL + yy_pop_state (); } -<> { if (is_main_input_) +<> { + LexerError (_ ("EOF found inside string").c_str ()); + yy_pop_state (); +} + +<> { + yylval = SCM_UNSPECIFIED; + if (is_main_input_) { - /* 2 = init.ly + current file. - > because we're before closing, but is_main_input_ should - reflect after. - */ - is_main_input_ = include_stack_.size () > 2; + is_main_input_ = include_stack_.size () > main_input_level_; + if (!is_main_input_) + { + main_input_level_ = 0; + pop_state (); + if (YYSTATE != maininput) + { + LexerError (_ ("Unfinished main input").c_str ()); + do { + yy_pop_state (); + } while (YYSTATE != maininput); + } + extra_tokens_ = SCM_EOL; + yy_pop_state (); + } if (!close_input () || !is_main_input_) /* Returns YY_NULL */ yyterminate (); @@ -703,11 +748,21 @@ BOM_UTF8 \357\273\277 yyterminate (); } +{ANY_CHAR} { + while (include_stack_.size () > main_input_level_ + && close_input ()) + ; + yyterminate (); +} + { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } + \\\" { + start_command_quote (); + } {COMMAND}/[-_] | // backup rule {COMMAND} { return scan_escaped_word (YYText_utf8 () + 1); @@ -715,89 +770,68 @@ BOM_UTF8 \357\273\277 } {FRACTION} { - yylval.scm = scan_fraction (YYText ()); + yylval = scan_fraction (YYText ()); return FRACTION; } -{UNSIGNED} | // backup rule {REAL} { - yylval.scm = scm_c_read_string (YYText ()); + yylval = scm_c_read_string (YYText ()); return REAL; } {UNSIGNED}/\/ | // backup rule {UNSIGNED} { - yylval.scm = scm_c_read_string (YYText ()); + yylval = scm_c_read_string (YYText ()); return UNSIGNED; } -[{}] { - +-/\. { // backup rule + yylval = SCM_UNSPECIFIED; return YYText ()[0]; } --/\. | // backup rule -[*:=] { - char c = YYText ()[0]; - - return c; -} - -. { +{SPECIAL} { + yylval = SCM_UNSPECIFIED; return YYText ()[0]; } -\\. { - char c = YYText ()[1]; - - switch (c) { - case '>': - return E_ANGLE_CLOSE; - case '<': - return E_ANGLE_OPEN; - case '!': - return E_EXCLAMATION; - case '(': - return E_OPEN; - case ')': - return E_CLOSE; - case '[': - return E_BRACKET_OPEN; - case '+': - return E_PLUS; - case ']': - return E_BRACKET_CLOSE; - case '~': - return E_TILDE; - case '\\': - return E_BACKSLASH; - - default: - return E_CHAR; - } +{SHORTHAND} { + return scan_shorthand (YYText_utf8 ()); // should not be utf-8 } <*>.[\200-\277]* { string msg = _f ("invalid character: `%s'", YYText_utf8 ()); LexerError (msg.c_str ()); + yylval = SCM_UNSPECIFIED; return '%'; // Better not return half a utf8 character. } %% -/* Make the lexer generate a token of the given type as the next token. +/* Make the lexer generate a token of the given type as the next token. TODO: make it possible to define a value for the token as well */ void -Lily_lexer::push_extra_token (int token_type, SCM scm) +Lily_lexer::push_extra_token (Input const &where, int token_type, SCM scm) +{ + extra_tokens_ = scm_cons (scm_cons2 (where.smobbed_copy (), + scm_from_int (token_type), + scm), extra_tokens_); +} + +int +Lily_lexer::pop_extra_token () { if (scm_is_null (extra_tokens_)) - { - if (YY_START != extratoken) - hidden_state_ = YY_START; - yy_push_state (extratoken); - } - extra_tokens_ = scm_acons (scm_from_int (token_type), scm, extra_tokens_); + return -1; + + /* produce requested token */ + yylloc = *unsmob (scm_caar (extra_tokens_)); + int type = scm_to_int (scm_cadar (extra_tokens_)); + yylval = scm_cddar (extra_tokens_); + extra_tokens_ = scm_cdr (extra_tokens_); + return type; } void @@ -838,72 +872,80 @@ Lily_lexer::push_markup_state () void Lily_lexer::push_note_state (SCM alist) { - bool extra = (YYSTATE == extratoken); - SCM p = scm_assq (alist, pitchname_tab_stack_); - if (extra) - yy_pop_state (); - if (scm_is_false (p)) p = scm_cons (alist, alist_to_hashq (alist)); pitchname_tab_stack_ = scm_cons (p, pitchname_tab_stack_); yy_push_state (notes); - - if (extra) { - hidden_state_ = YYSTATE; - yy_push_state (extratoken); - } } void Lily_lexer::pop_state () { - bool extra = (YYSTATE == extratoken); - - if (extra) - yy_pop_state (); - if (YYSTATE == notes || YYSTATE == chords) pitchname_tab_stack_ = scm_cdr (pitchname_tab_stack_); - yy_pop_state (); + // don't cross the maininput threshold + if (YYSTATE != maininput) + yy_pop_state (); - if (extra) { - hidden_state_ = YYSTATE; - yy_push_state (extratoken); - } } int Lily_lexer::identifier_type (SCM sid) { - int k = try_special_identifiers (&yylval.scm , sid); + int k = try_special_identifiers (&yylval , sid); return k >= 0 ? k : SCM_IDENTIFIER; } int -Lily_lexer::scan_escaped_word (string str) +Lily_lexer::scan_escaped_word (const string &str) { // use more SCM for this. // SCM sym = ly_symbol2scm (str.c_str ()); + yylval = SCM_UNSPECIFIED; int i = lookup_keyword (str); - if (i == MARKUP && is_lyric_state ()) - return LYRIC_MARKUP; + if (i != -1) return i; SCM sid = lookup_identifier (str); - if (sid != SCM_UNDEFINED) + if (Music *m = unsmob (sid)) + { + m->set_spot (override_input (here_input ())); + } + + if (!SCM_UNBNDP (sid)) + return scan_scm_id (sid); + + string msg (_f ("unknown escaped string: `\\%s'", str)); + LexerError (msg.c_str ()); + + yylval = ly_string2scm (str); + + return STRING; // SYMBOL would cause additional processing +} + +int +Lily_lexer::scan_shorthand (const string &str) +{ + SCM sid = lookup_identifier (str); + if (Music *m = unsmob (sid)) + { + m->set_spot (override_input (here_input ())); + } + + if (!SCM_UNBNDP (sid)) return scan_scm_id (sid); - string msg (_f ("unknown escaped string: `\\%s'", str)); + string msg (_f ("undefined character or shorthand: %s", str)); LexerError (msg.c_str ()); - yylval.scm = ly_string2scm (str); + yylval = ly_string2scm (str); return STRING; } @@ -911,13 +953,13 @@ Lily_lexer::scan_escaped_word (string str) int Lily_lexer::scan_scm_id (SCM sid) { - if (is_music_function (sid)) + if (Music_function *fun = unsmob (sid)) { int funtype = SCM_FUNCTION; - yylval.scm = sid; + yylval = sid; - SCM s = get_music_function_signature (sid); + SCM s = fun->get_signature (); SCM cs = scm_car (s); if (scm_is_pair (cs)) @@ -925,15 +967,15 @@ Lily_lexer::scan_scm_id (SCM sid) cs = SCM_CAR (cs); } - if (scm_is_eq (cs, ly_lily_module_constant ("ly:music?"))) + if (scm_is_eq (cs, SCM (Lily::ly_music_p))) funtype = MUSIC_FUNCTION; - else if (scm_is_eq (cs, ly_lily_module_constant ("ly:event?"))) + else if (scm_is_eq (cs, SCM (Lily::ly_event_p))) funtype = EVENT_FUNCTION; else if (ly_is_procedure (cs)) funtype = SCM_FUNCTION; else programming_error ("Bad syntax function predicate"); - push_extra_token (EXPECT_NO_MORE_ARGS); + push_extra_token (here_input (), EXPECT_NO_MORE_ARGS); for (s = scm_cdr (s); scm_is_pair (s); s = scm_cdr (s)) { SCM optional = SCM_UNDEFINED; @@ -944,61 +986,65 @@ Lily_lexer::scan_scm_id (SCM sid) optional = SCM_CDR (cs); cs = SCM_CAR (cs); } - - if (cs == Pitch_type_p_proc) - push_extra_token (EXPECT_PITCH); - else if (cs == Duration_type_p_proc) - push_extra_token (EXPECT_DURATION); - else if (ly_is_procedure (cs)) - push_extra_token (EXPECT_SCM, cs); + + if (ly_is_procedure (cs)) + push_extra_token (here_input (), EXPECT_SCM, cs); else { programming_error ("Function parameter without type-checking predicate"); continue; } if (!scm_is_eq (optional, SCM_UNDEFINED)) - push_extra_token (EXPECT_OPTIONAL, optional); + push_extra_token (here_input (), EXPECT_OPTIONAL, optional); } return funtype; } - yylval.scm = sid; + yylval = sid; return identifier_type (sid); } int -Lily_lexer::scan_bare_word (string str) +Lily_lexer::scan_word (SCM & output, SCM sym) { - SCM sym = ly_symbol2scm (str.c_str ()); if ((YYSTATE == notes) || (YYSTATE == chords)) { SCM handle = SCM_BOOL_F; if (scm_is_pair (pitchname_tab_stack_)) handle = scm_hashq_get_handle (scm_cdar (pitchname_tab_stack_), sym); - + if (scm_is_pair (handle)) { - yylval.scm = scm_cdr (handle); - if (unsmob_pitch (yylval.scm)) + output = scm_cdr (handle); + if (unsmob (yylval)) return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH; - else if (scm_is_symbol (yylval.scm)) + else if (scm_is_symbol (yylval)) return DRUM_PITCH; } else if ((YYSTATE == chords) - && (handle = scm_hashq_get_handle (chordmodifier_tab_, sym))!= SCM_BOOL_F) + && scm_is_true (handle = scm_hashq_get_handle (chordmodifier_tab_, sym))) { - yylval.scm = scm_cdr (handle); + output = scm_cdr (handle); return CHORD_MODIFIER; } } - yylval.scm = ly_string2scm (str); - return STRING; + output = SCM_UNDEFINED; + return -1; +} + +int +Lily_lexer::scan_bare_word (const string &str) +{ + int state = scan_word (yylval, ly_symbol2scm (str.c_str ())); + if (state >= 0) + { + return state; + } + yylval = ly_string2scm (str); + return SYMBOL; } int Lily_lexer::get_state () const { - if (YY_START == extratoken) - return hidden_state_; - else - return YY_START; + return YY_START; } bool @@ -1033,14 +1079,14 @@ Lily_lexer::is_figure_state () const // this function is private. SCM -Lily_lexer::eval_scm (SCM readerdata, char extra_token) +Lily_lexer::eval_scm (SCM readerdata, Input hi, char extra_token) { SCM sval = SCM_UNDEFINED; if (!SCM_UNBNDP (readerdata)) { - sval = ly_eval_scm (scm_car (readerdata), - *unsmob_input (scm_cdr (readerdata)), + sval = ly_eval_scm (readerdata, + hi, be_safe_global && is_main_input_, parser_); } @@ -1056,19 +1102,28 @@ Lily_lexer::eval_scm (SCM readerdata, char extra_token) sval = scm_struct_ref (sval, SCM_INUM0); if (scm_is_pair (sval)) { - for (SCM v = scm_reverse (scm_cdr (sval)); - scm_is_pair (v); - v = scm_cdr (v)) + for (SCM p = scm_reverse (scm_cdr (sval)); + scm_is_pair (p); + p = scm_cdr (p)) { + SCM v = scm_car (p); + if (Music *m = unsmob (v)) + { + if (!unsmob (m->get_property ("origin"))) + m->set_spot (override_input (here_input ())); + } + int token; switch (extra_token) { case '$': - token = scan_scm_id (scm_car (v)); - if (!scm_is_eq (yylval.scm, SCM_UNSPECIFIED)) - push_extra_token (token, yylval.scm); + token = scan_scm_id (v); + if (!scm_is_eq (yylval, SCM_UNSPECIFIED)) + push_extra_token (here_input (), + token, yylval); break; case '#': - push_extra_token (SCM_IDENTIFIER, scm_car (v)); + push_extra_token (here_input (), + SCM_IDENTIFIER, v); break; } } @@ -1077,6 +1132,12 @@ Lily_lexer::eval_scm (SCM readerdata, char extra_token) sval = SCM_UNSPECIFIED; } + if (Music *m = unsmob (sval)) + { + if (!unsmob (m->get_property ("origin"))) + m->set_spot (override_input (here_input ())); + } + return sval; } @@ -1191,7 +1252,7 @@ Lily_lexer::YYText_utf8 () /* urg, belong to string (_convert) - and should be generalised + and should be generalised */ void strip_leading_white (string&s) @@ -1207,8 +1268,8 @@ strip_leading_white (string&s) void strip_trailing_white (string&s) { - ssize i = s.length (); - while (i--) + ssize i = s.length (); + while (i--) if (!isspace (s[i])) break; @@ -1225,8 +1286,13 @@ is_valid_version (string s) { Lilypond_version current ( MAJOR_VERSION "." MINOR_VERSION "." PATCH_LEVEL ); Lilypond_version ver (s); - if (int (ver) < oldest_version) - { + if (!ver) + { + non_fatal_error (_f ("Invalid version string \"%s\"", s)); + return false; + } + if (ver < oldest_version) + { non_fatal_error (_f ("file too old: %s (oldest supported: %s)", ver.to_string (), oldest_version.to_string ())); non_fatal_error (_ ("consider updating the input with the convert-ly script")); return false; @@ -1239,7 +1305,7 @@ is_valid_version (string s) } return true; } - + /* substitute _ @@ -1266,23 +1332,20 @@ scan_fraction (string frac) string left = frac.substr (0, i); string right = frac.substr (i + 1, (frac.length () - i + 1)); - int n = String_convert::dec2int (left); - int d = String_convert::dec2int (right); - return scm_cons (scm_from_int (n), scm_from_int (d)); + return scm_cons (scm_c_read_string (left.c_str ()), + scm_c_read_string (right.c_str ())); } SCM lookup_markup_command (string s) { - SCM proc = ly_lily_module_constant ("lookup-markup-command"); - return scm_call_1 (proc, ly_string2scm (s)); + return Lily::lookup_markup_command (ly_string2scm (s)); } SCM lookup_markup_list_command (string s) { - SCM proc = ly_lily_module_constant ("lookup-markup-list-command"); - return scm_call_1 (proc, ly_string2scm (s)); + return Lily::lookup_markup_list_command (ly_string2scm (s)); } /* Shut up lexer warnings. */