RE_Suite.txt

//
//      Building Blocks
//
oct_digit   = [0-7]
dec_digit   = [0-9]
hex_digit   = [0-9a-fA-F]
lcase       = [a-z]
ucase       = [A-Z]
alpha       = lcase | ucase | '_'
c_alphabet  = [^"\"\'\\",'\x0'-'\x1f'] | '\\' [abfnrtv,"\\\'\""] | "\\x" hex_digit {hex_digit} | "\\u" hex_digit 4 | "\\U" hex_digit 8
symbol      = [^0-9a-zA-Z_,'\x0'-' ',"\'\""]

//
//      Predefined Tokens
//
dec_num         = [1-9] dec_digit* | [0]        >>bux::createDecNum<TID_LEX_Num,CHAR_TYPE>
oct_num         = [0] oct_digit+                >>bux::createOctNum<TID_LEX_Num,CHAR_TYPE>
hex_num         = [0] [xX] hex_digit+           >>bux::createHexNum<TID_LEX_Num,CHAR_TYPE>
identifier      = alpha (alpha|dec_digit)*      >>bux::createPlainString<TID_LEX_Id,CHAR_TYPE>
spaces          = [" \r\t\v\f"]+                >>bux::createNothing<TID_LEX_Spaces,CHAR_TYPE>
c_char          = '\'' (c_alphabet|'\"') '\''   >>bux::createCharLiteral<TID_LEX_Key,CHAR_TYPE>
c_str           = '\"' (c_alphabet|'\'')* '\"'  >>bux::createEscapeString<TID_LEX_String,CHAR_TYPE,1,1>
cpp_comment     = "//" [^'\n']* '\n'            >>bux::createNothing<'\n',CHAR_TYPE>
bracketed       = "[[" []* "]]"                 >>bux::createPlainString<TID_LEX_Bracketed,CHAR_TYPE,2,2> @if bux::bracketsMatched
c_comment       = "/*" []* "*/"                 >>bux::createNothing<TID_LEX_Spaces,CHAR_TYPE>
win32_newline   = "\r\n"                        >>bux::createNothing<'\n',CHAR_TYPE>
CompoundSymbol  = symbol (symbol|["\'\""])* symbol >>bux::createPlainString<TID_LEX_Operator,CHAR_TYPE> @-1

//
//      The Target
//
//all = dec_num | oct_num | hex_num | identifier | spaces | c_char | c_str