mannpatel/Software-Analysis
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

working version <3

Browse Source
This commit is contained in:
Nicolas Amaya
2025-09-27 19:55:27 -06:00
parent 54b9164f23
commit d6faf4356b
2 changed files with 161 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
ExprLexer.g4
View File

@@ -1,32 +1,22 @@
lexer grammar ExprLexer;
// UNICODE --------------------------------------------------------------------------------------------------------------
UnicodeInputCharacter: UnicodeEscape | RawInputCharacter;
fragment UnicodeEscape: '\\' UnicodeMarker HexDigit HexDigit HexDigit HexDigit;
fragment UnicodeMarker: 'u'+;
fragment RawInputCharacter: .;
//not complete need to ask question from prof.
// LINE TERMINATORS -----------------------------------------------------------------------------------------------------------------------
LineTerminator: '\n' | '\r' | '\r\n';
InputCharacter: [^\n\r];
fragment LineTerminator: '\r' '\n'? | '\n';
//WHITE SPACE ----------------------------------------------------------------------------------------------------------------------------------------
WhiteSpace: (' ' | '\t' | '\f' | LineTerminator) -> skip;
//COMMENTS --------------------------------------------------------------------------------------------------------------------------------------------------
fragment EndOfLineComment: '//' ~('\r' | '\n')* LineTerminator?;
Comment: (TraditionalComment | EndOfLineComment) -> skip;
fragment TraditionalComment:
'/*' NotStar CommentTail;
'/*' NotStar CommentTail;
fragment EndOfLineComment:
'//' CharactersInLine? LineTerminator;
//fragment EndOfLineComment:
// '//' CharactersInLine? LineTerminator;
fragment CommentTail: '*' CommentTailStar | NotStar ;
@@ -39,10 +29,22 @@ fragment NotStar:
fragment NotStarNotSlash:
[^*/] | LineTerminator;
fragment CharactersInLine: InputCharacter
| InputCharacter;
//fragment CharactersInLine: InputCharacter
// | InputCharacter;
//// UNICODE --------------------------------------------------------------------------------------------------------------
//UnicodeInputCharacter: UnicodeEscape | RawInputCharacter;
//
//fragment UnicodeEscape: '\\' UnicodeMarker HexDigit HexDigit HexDigit HexDigit;
//
//fragment UnicodeMarker: 'u'+;
//
//
//fragment RawInputCharacter: .;
// //not complete need to ask question from prof.
//
//
//fragment InputCharacter: [^\n\r];
// KEYWORDS --------------------------------------------------------------------------------------------------------
Abstract: 'abstract';
@@ -95,6 +97,7 @@ Void: 'void';
Volatile: 'volatile';
While: 'while';
Dot: '.';
// LITERALS -------------------------------------------------------------------------------------------------------------------
IntegerLiteral: DecimalIntegerLiteral | HexIntegerLiteral | OctalIntegerLiteral;
@@ -195,32 +198,18 @@ SquareBracketLeft: '[';
SquareBracketRight: ']';
Semicolon: ';';
Comma: ',';
Dot: '.';
//OPERATORS ---------------------------------------------------------------------------------------------------------------------------------------
Assignment: '=';
BitwiseComplement: '~';
LessThan: '<';
GreaterThan: '>';
LogicalComplement: '!';
Question: '?';
Colon: ':';
UnsignedRightShiftAssign: '>>>=';
EqualTo: '==';
NotEqualTo: '!=';
LessThanEqualTo: '<=';
GreaterThanEqualTo: '>=';
NotEqualTo: '!=';
ConditionalAND: '&&';
ConditionalOR: '||';
Increment: '++';
Decrement: '--';
Addition: '+';
Subtraction: '-';
Multiplication: '*';
Division: '/';
BitwiseAND: '&';
BitwiseOR: '|';
BitwiseXOR: '^';
Remainder: '%';
LeftShift: '<<';
SignedRightShift: '>>';
UnsignedRightShift: '>>>';
@@ -234,14 +223,28 @@ BitwiseXORAssign: '^=';
RemainderAssign: '%=';
LeftShiftAssign: '<<=';
SignedRightShiftAssign: '>>=';
UnsignedRightShiftAssign: '>>>=';
Assignment: '=';
BitwiseComplement: '~';
LessThan: '<';
GreaterThan: '>';
LogicalComplement: '!';
Question: '?';
Colon: ':';
Addition: '+';
Subtraction: '-';
Multiplication: '*';
Division: '/';
BitwiseAND: '&';
BitwiseOR: '|';
BitwiseXOR: '^';
Remainder: '%';
//IDENTIFIERS -------------------------------------------------------------------------------------------------------------------------------------------
IDENTIFIER: JavaLetter JavaLetterOrDigit;
IDENTIFIER: JavaLetter JavaLetterOrDigit*;
fragment JavaLetter:
[a-zA-Z_$];
[a-zA-Z$_];
fragment JavaLetterOrDigit:
JavaLetter | [0-9];
[A-Za-z0-9$_];