X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flexer.ll;h=21d2fc1acc16bc32cd224c1e0013fcf93151db4f;hb=a6a51abfd0195a3cf7d6ea095cf69808852f21ce;hp=534823118034810f182efae2f71898f1f70d74cf;hpb=65ba9df14e3a74b78689aa9e504d9d45f9cd35ac;p=lilypond.git diff --git a/lily/lexer.ll b/lily/lexer.ll index 5348231180..21d2fc1acc 100644 --- a/lily/lexer.ll +++ b/lily/lexer.ll @@ -157,8 +157,8 @@ A [a-zA-Z\200-\377] AA {A}|_ N [0-9] ANY_CHAR (.|\n) -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 [-+*/=<>{}!?_^'',.:] @@ -362,7 +362,7 @@ BOM_UTF8 \357\273\277 /* 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. */ @@ -417,6 +417,20 @@ BOM_UTF8 \357\273\277 sval = eval_scm (sval, hi, '$'); + if (YYSTATE == markup && ly_is_procedure (sval)) + { + SCM sig = Lily::markup_command_signature (sval); + if (scm_is_true (sig)) + { + yylval = sval; + int token = MARKUP_FUNCTION; + if (scm_is_true (scm_object_property + (sval, ly_symbol2scm ("markup-list-command")))) + token = MARKUP_LIST_FUNCTION; + push_markup_predicates (sig); + return token; + } + } int token = scan_scm_id (sval); if (!scm_is_eq (yylval, SCM_UNSPECIFIED)) return token; @@ -476,8 +490,8 @@ BOM_UTF8 \357\273\277 } { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } \\\" { @@ -583,7 +597,7 @@ BOM_UTF8 \357\273\277 s = lyric_fudge (s); yylval = ly_string2scm (s); - return STRING; + return SYMBOL; } /* This should really just cover {} */ [{}] { @@ -592,8 +606,8 @@ BOM_UTF8 \357\273\277 } } { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } \\\" { @@ -684,25 +698,15 @@ BOM_UTF8 \357\273\277 // value (for token type MARKUP_FUNCTION or // MARKUP_LIST_FUNCTION). - push_extra_token (here_input (), EXPECT_NO_MORE_ARGS); - s = scm_cdr(s); - for (; scm_is_pair(s); s = scm_cdr(s)) { - SCM predicate = scm_car(s); - - if (scm_is_eq (predicate, SCM (Lily::markup_list_p))) - push_extra_token (here_input (), EXPECT_MARKUP_LIST); - else if (scm_is_eq (predicate, SCM (Lily::markup_p))) - push_extra_token (here_input (), EXPECT_MARKUP); - else - push_extra_token (here_input (), EXPECT_SCM, predicate); - } + push_markup_predicates (scm_cdr (s)); + return token_type; } [^$#{}\"\\ \t\n\r\f]+ { string s (YYText_utf8 ()); yylval = ly_string2scm (s); - return STRING; + return SYMBOL; } [{}] { yylval = SCM_UNSPECIFIED; @@ -756,8 +760,8 @@ BOM_UTF8 \357\273\277 } { - {WORD}/[-_] | // backup rule - {WORD} { + {SYMBOL}/[-_] | // backup rule + {SYMBOL} { return scan_bare_word (YYText_utf8 ()); } \\\" { @@ -892,6 +896,23 @@ Lily_lexer::pop_state () } +void +Lily_lexer::push_markup_predicates (SCM sig) +{ + push_extra_token (here_input (), EXPECT_NO_MORE_ARGS); + for (SCM s = sig; scm_is_pair(s); s = scm_cdr(s)) { + SCM predicate = scm_car(s); + + 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 (here_input (), EXPECT_SCM, predicate); + } +} + + int Lily_lexer::identifier_type (SCM sid) { @@ -927,7 +948,7 @@ Lily_lexer::scan_escaped_word (const string &str) yylval = ly_string2scm (str); - return STRING; + return STRING; // SYMBOL would cause additional processing } int @@ -1004,16 +1025,15 @@ Lily_lexer::scan_scm_id (SCM sid) } int -Lily_lexer::scan_bare_word (const 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_cdr (handle); + output = scm_cdr (handle); if (unsmob (yylval)) return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH; else if (scm_is_symbol (yylval)) @@ -1022,12 +1042,24 @@ Lily_lexer::scan_bare_word (const string &str) else if ((YYSTATE == chords) && scm_is_true (handle = scm_hashq_get_handle (chordmodifier_tab_, sym))) { - yylval = scm_cdr (handle); + output = scm_cdr (handle); return CHORD_MODIFIER; } } + 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 STRING; + return SYMBOL; } int