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%{
#include "tree.h"
#include "parser.h"
%}
%option reentrant noyywrap bison-bridge header-file="lexer.h"
%%
"(" { return TREE_START; }
")" { return TREE_END; }
[ \n]+ {
yylval->exp = tree_alloc(delimiter_run, yytext, yyleng);
return VAL;
}
([^ \n()\\]|\\[\\() \n])+ {
yylval->exp = tree_alloc(escaped_run, yytext, yyleng);
return VAL;
}
. { ECHO; return FAILURE; }
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