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- lexer grammar ivprog;
- // BEGIN i18n Lexical rules
- RK_PROGRAM
- : 'program'
- ;
- RK_REAL
- : 'real'
- ;
- RK_VOID
- : 'void'
- ;
- RK_BOOLEAN
- : 'boolean'
- ;
- RK_STRING
- : 'string'
- ;
- RK_INTEGER
- : 'integer'
- ;
- RK_CHARACTER
- : 'character'
- ;
- RK_SWITCH
- : 'switch'
- ;
- RK_CASE
- : 'case'
- ;
- RK_DEFAULT
- : 'otherwise'
- ;
- RK_CONST
- : 'const'
- ;
- RK_FUNCTION
- : 'function'
- ;
- RK_RETURN
- : 'return'
- ;
- RK_FOR
- : 'for'
- ;
- RK_BREAK
- : 'break'
- ;
- RK_DO
- : 'do'
- ;
- RK_WHILE
- : 'while'
- ;
- RK_IF
- : 'if'
- ;
- RK_ELSE
- : 'else'
- ;
- RK_FALSE
- : 'false'
- ;
- RK_TRUE
- : 'true'
- ;
- fragment RK_LOGICAL_NOT
- : 'not'
- ;
- fragment RK_LOGICAL_AND
- : 'AND'
- ;
- fragment RK_LOGICAL_OR
- : 'OR'
- ;
- // END i18n Lexical rules
- // GAMBIARRA : '.' |'á'| 'à'| 'ã'|'â'|'é'|'ê'|'í'|'ó'|'ô'|'õ'|'ú'|'ü'|'ç'|'Ä'|'À'|'Ã'|'Â'|'É'|'Ê'|'Ë'|'Ó'|'Ô'|'Õ'|'Ú'|'Ü'|'Ç'|'#'|'$'|'"'|'§'|'?'|'¹'|'²'|'³'|'£'|'¢'|'¬'|'ª'|'º'|'~'|'\''|'`'|'\\'|'@';
- OPEN_PARENTHESIS
- : '('
- ;
- CLOSE_PARENTHESIS
- : ')'
- ;
- OPEN_BRACE
- : '['
- ;
- CLOSE_BRACE
- : ']'
- ;
- OPEN_CURLY
- : '{'
- ;
- CLOSE_CURLY
- : '}'
- ;
- COMMA
- : ','
- ;
- EQUAL
- : '<-'
- | '←'
- ;
- SUM_OP
- : ('+'|'-')
- ;
- MULTI_OP
- : ('*'|'/'|'%')
- ;
- AND_OPERATOR
- : RK_LOGICAL_AND
- ;
- OR_OPERATOR
- : RK_LOGICAL_OR
- ;
- RELATIONAL_OPERATOR
- : ('>='|'=='|'<='|'>'|'<'|'!=')
- ;
- COLON
- : ':'
- ;
- NOT_OPERATOR
- : RK_LOGICAL_NOT
- ;
- ID
- : [a-zA-Z_] [a-zA-Z0-9_]*
- ;
- LIB_ID
- : ID '.' ID
- ;
- INTEGER
- : [0-9]+
- | ('0x'|'0X')(HEX_DIGIT)+
- | ('0b'|'0B')[0-1]+
- ;
- REAL
- : [0-9]+ '.' [0-9]+
- | [0-9]+ '.' [0-9]* ExponentPart
- ;
- fragment ExponentPart
- : [eE] [+-]? [0-9]+
- ;
- STRING
- : '"' STRING_CHARACTER* '"'
- ;
-
- fragment STRING_CHARACTER //String as defined at https://github.com/antlr/grammars-v4/blob/master/java8/Java8.g4
- : ~["\\\r\n]
- | ESC_SEQ
- ;
- CHARACTER //Character as defined at https://github.com/antlr/grammars-v4/blob/master/java8/Java8.g4
- : '\'' ( ESC_SEQ | ~['\\\r\n]) '\''
- ;
- WHITESPACE
- : ( ' ' | '\t') -> skip
- ;
- fragment SEMICOLON
- : ';'
- ;
- EOS
- : [\r\n]+
- | SEMICOLON
- ;
- fragment HEX_DIGIT
- : [0-9a-fA-F]
- ;
- fragment OCTAL_DIGIT
- : [0-7]
- ;
- fragment ESC_SEQ
- : '\\' ('b'|'t'|'n'|'f'|'r'|'"'|'\''|'\\')
- | ESC_UNICODE
- | ESC_OCTAL
- ;
- fragment ESC_OCTAL
- : '\\' [0-3] OCTAL_DIGIT OCTAL_DIGIT
- | '\\' OCTAL_DIGIT OCTAL_DIGIT
- | '\\' OCTAL_DIGIT
- ;
- fragment ESC_UNICODE
- : '\\' 'u' HEX_DIGIT HEX_DIGIT HEX_DIGIT HEX_DIGIT
- ;
- COMMENTS
- : ('//' ~('\n'|'\r')* '\r'? '\n'
- | '/*' .*? '*/') -> channel(HIDDEN)
- ;
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