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%{ |
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%} |
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%option outfile="lexer.c" header-file="lexer.h" |
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%option prefix="freesasa_yy" |
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%option reentrant noyywrap never-interactive nounistd |
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%option bison-bridge |
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AND (?i:\&|and) |
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OR (?i:\||or) |
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NOT (?i:\!|not) |
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MINUS \\- |
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RESN (?i:resn) |
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RESI (?i:resi) |
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SYMBOL (?i:symbol) |
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NAME (?i:name) |
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CHAIN (?i:chain) |
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NUMBER [[:digit:]]+ |
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ID [[:alnum:]\_]+\'* |
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SELID [[:alnum:]\_\-\+]+ |
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WS [ \t\n\r]* |
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%% |
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"," { return ','; } |
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"-" { return '-'; } |
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"+" { return '+'; } |
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"(" { return '('; } |
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")" { return ')'; } |
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{RESN} { return T_RESN; } |
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{RESI} { return T_RESI; } |
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{SYMBOL} { return T_SYMBOL; } |
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{NAME} { return T_NAME; } |
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{CHAIN} { return T_CHAIN; } |
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{AND} { return T_AND; } |
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{OR} { return T_OR; } |
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{NOT} { return T_NOT; } |
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{MINUS} { return T_MINUS; } |
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{WS} {} |
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{NUMBER} { yylval->value = strdup(yytext); return T_NUMBER; } |
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{ID} { yylval->value = strdup(yytext); return T_ID; } |
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{SELID}/"," { yylval->value = strdup(yytext); return T_SELID; } |
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