35 lines
948 B
Plaintext
35 lines
948 B
Plaintext
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%option noyywrap
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%{
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#include <iostream>
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#include "ast.hpp"
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#include "parser.hpp"
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#define YY_DECL yy::parser::symbol_type yylex()
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%}
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%%
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[ \n]+ {}
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\+ { return yy::parser::make_PLUS(); }
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\* { return yy::parser::make_TIMES(); }
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- { return yy::parser::make_MINUS(); }
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\/ { return yy::parser::make_DIVIDE(); }
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[0-9]+ { return yy::parser::make_INT(atoi(yytext)); }
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defn { return yy::parser::make_DEFN(); }
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data { return yy::parser::make_DATA(); }
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case { return yy::parser::make_CASE(); }
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of { return yy::parser::make_OF(); }
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\{ { return yy::parser::make_OCURLY(); }
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\} { return yy::parser::make_CCURLY(); }
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\( { return yy::parser::make_OPAREN(); }
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\) { return yy::parser::make_CPAREN(); }
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, { return yy::parser::make_COMMA(); }
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-> { return yy::parser::make_ARROW(); }
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= { return yy::parser::make_EQUAL(); }
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[a-z][a-zA-Z]* { return yy::parser::make_LID(std::string(yytext)); }
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[A-Z][a-zA-Z]* { return yy::parser::make_UID(std::string(yytext)); }
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%%
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