diff options
Diffstat (limited to 'backend/CMlexer.mll')
| -rw-r--r-- | backend/CMlexer.mll | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/backend/CMlexer.mll b/backend/CMlexer.mll index 2eaa488..eac48e0 100644 --- a/backend/CMlexer.mll +++ b/backend/CMlexer.mll @@ -21,10 +21,11 @@ exception Error of string let blank = [' ' '\009' '\012' '\010' '\013'] let floatlit = - ['0'-'9'] ['0'-'9' '_']* + ("-"? (['0'-'9'] ['0'-'9' '_']* ('.' ['0'-'9' '_']* )? - (['e' 'E'] ['+' '-']? ['0'-'9'] ['0'-'9' '_']*)? + (['e' 'E'] ['+' '-']? ['0'-'9'] ['0'-'9' '_']*)? )) | "inf" | "nan" let ident = ['A'-'Z' 'a'-'z' '_'] ['A'-'Z' 'a'-'z' '_' '$' '0'-'9']* +let qident = '\'' [ ^ '\'' ]+ '\'' let temp = "$" ['1'-'9'] ['0'-'9']* let intlit = "-"? ( ['0'-'9']+ | "0x" ['0'-'9' 'a'-'f' 'A'-'F']+ | "0o" ['0'-'7']+ | "0b" ['0'-'1']+ ) @@ -40,6 +41,7 @@ rule token = parse | "!=f" { BANGEQUALF } | "!=u" { BANGEQUALU } | "|" { BAR } + | "builtin" { BUILTIN } | "^" { CARET } | "case" { CASE } | ":" { COLON } @@ -124,8 +126,10 @@ rule token = parse | intlit { INTLIT(Int32.of_string(Lexing.lexeme lexbuf)) } | floatlit { FLOATLIT(float_of_string(Lexing.lexeme lexbuf)) } | stringlit { let s = Lexing.lexeme lexbuf in - STRINGLIT(intern_string(String.sub s 1 (String.length s - 2))) } - | ident | temp { IDENT(intern_string(Lexing.lexeme lexbuf)) } + STRINGLIT(String.sub s 1 (String.length s - 2)) } + | ident | temp { IDENT(Lexing.lexeme lexbuf) } + | qident { let s = Lexing.lexeme lexbuf in + IDENT(String.sub s 1 (String.length s - 2)) } | eof { EOF } | _ { raise(Error("illegal character `" ^ Char.escaped (Lexing.lexeme_char lexbuf 0) ^ "'")) } |