Programming language definited for the Compiler course from University.
JFlex Coded Lexer
| Regular Definition | Regular Expression |
|---|---|
| LineTerminator | \r|\n|\r\n |
| InputCharacter | [^\r\n] |
| WhiteSpace | {LineTerminator} | [ \t\f] |
| Comment | {TraditionalComment} | {EndOfLineComment} | {DocumentationComment} |
| TraditionalComment | "/*" [^*] ~"*/" | "/*" "*"+ "/" |
| EndOfLineComment | "//" {InputCharacter}* {LineTerminator}? |
| DocumentationComment | "/**" {CommentContent} "*"+ "/" |
| CommentContent | ( [^*] | \*+ [^/*] )* |
| Identifier | [:jletter:] [:jletterdigit:]* |
| IntegerLiteral | 0 | [1-9][0-9]* |
| FloatLiteral | (0 | [1-9][0-9]*)\.[0-9]+ |
| Token | Lexeme or Regular Definition | Attribute |
|---|---|---|
| Delimiters | ||
| - | WhiteSpace | - |
| Separators | ||
| LPAR | ( | - |
| RPAR | ) | - |
| LBRA | { | - |
| RBRA | } | - |
| COMMA | , | - |
| SEMI | ; | - |
| Keywords | ||
| IF | if | - |
| THEN | then | - |
| ELSE | else | - |
| WHILE | while | - |
| Identifiers | ||
| ID | Identifier | Pointer to table entry |
| Numbers | ||
| INT | IntegerLiteral | Pointer to table entry |
| FLOAT | FloatLiteral | Pointer to table entry |
| Relops | ||
| < | < | LT |
| <= | <= | LE |
| = | = | EQ |
| <> | <> | NE |
| > | > | GT |
| >= | >= | GE |
| <-- | <-- | ASSIGN |
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The requested sym class is named Token