31 lines
942 B
Plaintext
31 lines
942 B
Plaintext
%{
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#include <vslc.h>
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%}
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%option noyywrap
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%option array
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%option yylineno
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WHITESPACE [\ \t\v\r\n]
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COMMENT \/\/[^\n]+
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QUOTED \"([^\"\n]|\\\")*\"
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%%
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{WHITESPACE}+ { /* Eliminate whitespace */ }
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{COMMENT} { /* Eliminate comments */ }
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func { return FUNC; }
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print { return PRINT; }
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return { return RETURN; }
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continue { return CONTINUE; }
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if { return IF; }
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then { return THEN; }
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else { return ELSE; }
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while { return WHILE; }
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do { return DO; }
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begin { return OPENBLOCK; }
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end { return CLOSEBLOCK; }
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var { return VAR; }
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[0-9]+ { return NUMBER; }
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[A-Za-z_][0-9A-Za-z_]* { return IDENTIFIER; }
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{QUOTED} { return STRING; }
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. { return yytext[0]; }
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%%
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