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range.ll
81 lines (64 loc) · 2.11 KB
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range.ll
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%{
// Copyright (C) 2018 Egor Pugin <egor.pugin@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <range_parser.h>
static
#if defined(_WIN32) || defined(__APPLE__)
long
#endif
long make_long(const char *s)
{
return std::stoll(s);
}
// bison 3.6 workaround
#ifdef EOQ
#undef EOQ
#endif
%}
%option nounistd
%option nonoline
%option yylineno
%option nounput
%option batch
%option never-interactive
%option reentrant
%option noyywrap
number [0-9]+
extra [_a-zA-Z0-9]+
string [_a-zA-Z][_a-zA-Z0-9]*
%%
%{
// Code run each time yylex is called.
loc.step();
%}
[ \t\v\f\n\r]+ return MAKE(SPACE);
"<" return MAKE(LT);
">" return MAKE(GT);
"<=" return MAKE(LE);
">=" return MAKE(GE);
"=" return MAKE(EQ);
"==" return MAKE(EQ);
"!=" return MAKE(NE);
"^" return MAKE(CARET);
"~" return MAKE(TILDE);
"-" return MAKE(HYPHEN);
"." return MAKE(DOT);
"x" |
"X" return MAKE_VALUE(X_NUMBER, std::string(yytext));
"*" return MAKE(STAR_NUMBER);
"[" return MAKE(L_SQUARE_BRACKET);
"]" return MAKE(R_SQUARE_BRACKET);
"(" return MAKE(L_BRACKET);
")" return MAKE(R_BRACKET);
"," return MAKE(COMMA);
"&&" return MAKE(AND);
"||" return MAKE(OR);
{number} return MAKE_VALUE(NUMBER, make_long(yytext));
{string} return MAKE_VALUE(STRING, std::string(yytext));
{extra} return MAKE_VALUE(EXTRA, std::string(yytext));
<*>(?s:.) { return MAKE_VALUE(ERROR_SYMBOL, std::string(yytext)); }
<*><<EOF>> return MAKE(EOQ);
%%