Lexik der Sprache C0
Schlüsselwörter
KW_BOOLEAN |
"bool" |
KW_DO |
"do" |
KW_ELSE |
"else" |
KW_FLOAT |
"float" |
KW_FOR |
"for" |
KW_IF |
"if" |
KW_INT |
"int" |
KW_PRINTF |
"printf" |
KW_RETURN |
"return" |
KW_VOID |
"void" |
KW_WHILE |
"while" |
Operatoren
PLUS |
"+" |
MINUS |
"-" |
ASTERISK |
"*" |
SLASH |
"/" |
ASSIGN |
"=" |
EQ |
"==" |
NEQ |
"!=" |
LSS |
"<" |
GRT |
">" |
LEQ |
"<=" |
GEQ |
">=" |
AND |
"&&" |
OR |
"||" |
Sonstige Token
COMMA |
"," |
SEMICOLON |
";" |
LPAREN |
"(" |
RPAREN |
")" |
LBRACE |
"{" |
RBRACE |
"}" |
Termvariablen
CONST_INT |
{INTEGER} |
CONST_FLOAT |
{FLOAT} ( [eE] ([-+])? {INTEGER} )? | {INTEGER}
[eE] ([-+])? {INTEGER} |
CONST_BOOLEAN |
"true" | "false" |
ID |
({LETTER})+ ({DIGIT} | {LETTER})* |
"Pseudotoken" (nur zur Konstruktion anderer Token)
DIGIT |
[0-9] |
INTEGER |
{DIGIT}+ |
FLOAT |
{INTEGER} "." {INTEGER} | "." {INTEGER} |
LETTER |
[a-zA-Z] |
Kommentare
| C-Kommentare | "/*" <comment> "*/" |
| C++-Kommentare | "//" <comment> "\n" |