diff options
Diffstat (limited to 'language/src')
| -rw-r--r-- | language/src/main/antlr4/com/seaofnodes/simple/antlr/SimpleLanguage.g4 | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/language/src/main/antlr4/com/seaofnodes/simple/antlr/SimpleLanguage.g4 b/language/src/main/antlr4/com/seaofnodes/simple/antlr/SimpleLanguage.g4 deleted file mode 100644 index 6779e5a2..00000000 --- a/language/src/main/antlr4/com/seaofnodes/simple/antlr/SimpleLanguage.g4 +++ /dev/null @@ -1,170 +0,0 @@ -grammar SimpleLanguage; - -program - : declaration* statement+ EOF - ; - -declaration - : type IDENTIFIER ';' - ; - -type - : 'int' - ; - -statement - : 'if' '(' expression ')' statement - | 'if' '(' expression ')' statement 'else' statement - | 'while' '(' expression ')' statement - | IDENTIFIER '=' expression ';' - | '{' declaration* statement+ '}' - | 'break' ';' - ; - -expression - : primaryExpression # PrimaryExpression_ - | ('-' | '!') expression # UnaryExpression - | expression ('*' | '/' ) expression # ArithmeticOrLogicalExpression - | expression ('+' | '-') expression # ArithmeticOrLogicalExpression - | expression ('==' | '!='| '>'| '<'| '>='| '<=') expression # ComparisonExpression - | expression '&&' expression # BooleanExpression - | expression '||' expression # BooleanExpression - ; - -primaryExpression - : - | INTEGER_LITERAL - | IDENTIFIER - | '(' expression ')' - ; - -/////////////////////////////////////////////////////////////////// - -IDENTIFIER - : IDENTIFIER_NONDIGIT - ( IDENTIFIER_NONDIGIT - | DEC_DIGIT - )* - ; - -fragment -IDENTIFIER_NONDIGIT - : NON_DIGIT - | UNIVERSAL_CHARACTER_NAME - ; - -fragment -NON_DIGIT - : [a-zA-Z_] - ; - - -fragment -UNIVERSAL_CHARACTER_NAME - : '\\u' HEX_QUAD - | '\\U' HEX_QUAD HEX_QUAD - ; - -fragment -HEX_QUAD - : HEX_DIGIT HEX_DIGIT HEX_DIGIT HEX_DIGIT - ; - -// tokens char and string -CHAR_LITERAL - : '\'' - ( - ~['\\\n\r\t] - | QUOTE_ESCAPE - | ASCII_ESCAPE - | UNICODE_ESCAPE - ) '\'' - ; - -STRING_LITERAL - : '"' - ( - ~["] - | QUOTE_ESCAPE - | ASCII_ESCAPE - | UNICODE_ESCAPE - | ESC_NEWLINE - )* '"' - ; -RAW_STRING_LITERAL: 'r' RAW_STRING_CONTENT; -fragment RAW_STRING_CONTENT: '#' RAW_STRING_CONTENT '#' | '"' .*? '"'; -BYTE_LITERAL: 'b\'' (. | QUOTE_ESCAPE | BYTE_ESCAPE) '\''; - -BYTE_STRING_LITERAL: 'b"' (~["] | QUOTE_ESCAPE | BYTE_ESCAPE)* '"'; -RAW_BYTE_STRING_LITERAL: 'br' RAW_STRING_CONTENT; -fragment ASCII_ESCAPE: '\\x' OCT_DIGIT HEX_DIGIT | COMMON_ESCAPE; -fragment BYTE_ESCAPE: '\\x' HEX_DIGIT HEX_DIGIT | COMMON_ESCAPE; -fragment COMMON_ESCAPE: '\\' [nrt\\0]; -fragment UNICODE_ESCAPE - : '\\u{' HEX_DIGIT HEX_DIGIT? HEX_DIGIT? HEX_DIGIT? HEX_DIGIT? HEX_DIGIT? '}' - ; -fragment QUOTE_ESCAPE: '\\' ['"]; -fragment ESC_NEWLINE: '\\' '\n'; - -// number -INTEGER_LITERAL - : - ( - DEC_LITERAL - | BIN_LITERAL - | OCT_LITERAL - | HEX_LITERAL - ) INTEGER_SUFFIX? - ; -DEC_LITERAL: DEC_DIGIT (DEC_DIGIT | '_')*; -HEX_LITERAL: '0x' '_'* HEX_DIGIT (HEX_DIGIT | '_')*; -OCT_LITERAL: '0o' '_'* OCT_DIGIT (OCT_DIGIT | '_')*; -BIN_LITERAL: '0b' '_'* [01] [01_]*; -FLOAT_LITERAL - : DEC_LITERAL - ( - '.' DEC_LITERAL - )? FLOAT_EXPONENT? FLOAT_SUFFIX? - ; - -fragment INTEGER_SUFFIX - : 'u8' - | 'u16' - | 'u32' - | 'u64' - | 'u128' - | 'usize' - | 'i8' - | 'i16' - | 'i32' - | 'i64' - | 'i128' - | 'isize' - ; - -fragment FLOAT_SUFFIX: 'f32' | 'f64'; -fragment FLOAT_EXPONENT: [eE] [+-]? '_'* DEC_LITERAL; -fragment OCT_DIGIT: [0-7]; -fragment DEC_DIGIT: [0-9]; -fragment HEX_DIGIT: [0-9a-fA-F]; - - -WHITESPACE - : [ \t]+ - -> skip - ; - -NEWLINE - : ( '\r' '\n'? - | '\n' - ) - -> skip - ; - -LINE_COMMENT - : '//' ~[\r\n]* - -> skip - ; - - -ANY: . ;
\ No newline at end of file |