diff options
Diffstat (limited to 'backend/CMlexer.mll')
| -rw-r--r-- | backend/CMlexer.mll | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/backend/CMlexer.mll b/backend/CMlexer.mll index 3506e50..780d812 100644 --- a/backend/CMlexer.mll +++ b/backend/CMlexer.mll @@ -24,7 +24,8 @@ let floatlit = ['0'-'9'] ['0'-'9' '_']* ('.' ['0'-'9' '_']* )? (['e' 'E'] ['+' '-']? ['0'-'9'] ['0'-'9' '_']*)? -let ident = ['A'-'Z' 'a'-'z' '_'] ['A'-'Z' 'a'-'z' '_' '0'-'9']* +let ident = ['A'-'Z' 'a'-'z' '_'] ['A'-'Z' 'a'-'z' '_' '$' '0'-'9']* +let temp = "$" ['0'-'9'] ['0'-'9']* let intlit = "-"? ( ['0'-'9']+ | "0x" ['0'-'9' 'a'-'f' 'A'-'F']+ | "0o" ['0'-'7']+ | "0b" ['0'-'1']+ ) let stringlit = "\"" [ ^ '"' ] * '"' @@ -46,7 +47,6 @@ rule token = parse | ":" { COLON } | "," { COMMA } | "default" { DEFAULT } - | "$" { DOLLAR } | "else" { ELSE } | "=" { EQUAL } | "==" { EQUALEQUAL } @@ -59,6 +59,7 @@ rule token = parse | "float64" { FLOAT64 } | "floatofint" { FLOATOFINT } | "floatofintu" { FLOATOFINTU } + | "goto" { GOTO } | ">" { GREATER } | ">f" { GREATERF } | ">u" { GREATERU } @@ -69,10 +70,13 @@ rule token = parse | ">>u" { GREATERGREATERU } | "if" { IF } | "in" { IN } + | "inline" { INLINE } | "int" { INT } + | "int16" { INT16 } | "int16s" { INT16S } | "int16u" { INT16U } | "int32" { INT32 } + | "int8" { INT8 } | "int8s" { INT8S } | "int8u" { INT8U } | "intoffloat" { INTOFFLOAT } @@ -102,6 +106,7 @@ rule token = parse | "}" { RBRACE } | "}}" { RBRACERBRACE } | "]" { RBRACKET } + | "readonly" { READONLY } | "return" { RETURN } | ")" { RPAREN } | ";" { SEMICOLON } @@ -116,12 +121,17 @@ rule token = parse | "~" { TILDE } | "var" { VAR } | "void" { VOID } + | "volatile" { VOLATILE } + | "while" { WHILE } | 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 { IDENT(intern_string(Lexing.lexeme lexbuf)) } + | ident { IDENT(BinPos.Coq_xO (intern_string(Lexing.lexeme lexbuf))) } + | temp { let s = Lexing.lexeme lexbuf in + let n = Int32.of_string(String.sub s 1 (String.length s -1)) in + IDENT(if n = 0l then BinPos.Coq_xH else BinPos.Coq_xI (positive_of_camlint n)) } | eof { EOF } | _ { raise(Error("illegal character `" ^ Char.escaped (Lexing.lexeme_char lexbuf 0) ^ "'")) } |