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parser add preincrement and decrement conversion

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This commit is contained in:
Marvin Schlegel 2024-05-31 11:23:25 +02:00
parent 84613fabe0
commit 2acba0f283
2 changed files with 4 additions and 4 deletions
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4
Test/TestParser.hs
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@ -145,10 +145,10 @@ testExpressionPostDecrement = TestCase $
assertEqual "expect PostDecrement" (StatementExpressionExpression $ PostDecrement (Reference "a")) $ assertEqual "expect PostDecrement" (StatementExpressionExpression $ PostDecrement (Reference "a")) $
parseExpression [IDENTIFIER "a",DECREMENT] parseExpression [IDENTIFIER "a",DECREMENT]
testExpressionPreIncrement = TestCase $ testExpressionPreIncrement = TestCase $
assertEqual "expect PreIncrement" (StatementExpressionExpression $ PreIncrement (Reference "a")) $ assertEqual "expect PreIncrement" (StatementExpressionExpression $ Assignment (Reference "a") (BinaryOperation Addition (IntegerLiteral 1) (Reference "a"))) $
parseExpression [INCREMENT,IDENTIFIER "a"] parseExpression [INCREMENT,IDENTIFIER "a"]
testExpressionPreDecrement = TestCase $ testExpressionPreDecrement = TestCase $
assertEqual "expect PreIncrement" (StatementExpressionExpression $ PreDecrement (Reference "a")) $ assertEqual "expect PreIncrement" (StatementExpressionExpression $ Assignment (Reference "a") (BinaryOperation Subtraction (IntegerLiteral 1) (Reference "a"))) $
parseExpression [DECREMENT,IDENTIFIER "a"] parseExpression [DECREMENT,IDENTIFIER "a"]
testExpressionAssign = TestCase $ testExpressionAssign = TestCase $
assertEqual "expect assign 5 to a" (StatementExpressionExpression (Assignment (Reference "a") (IntegerLiteral 5))) $ assertEqual "expect assign 5 to a" (StatementExpressionExpression (Assignment (Reference "a") (IntegerLiteral 5))) $

4
src/Parser/JavaParser.y
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@ -279,9 +279,9 @@ assignmentoperator : ASSIGN { Nothing }
| XOREQUAL { Just BitwiseXor } | XOREQUAL { Just BitwiseXor }
| OREQUAL{ Just BitwiseOr } | OREQUAL{ Just BitwiseOr }
preincrementexpression : INCREMENT unaryexpression { PreIncrement $2 } preincrementexpression : INCREMENT unaryexpression { Assignment $2 (BinaryOperation Addition (IntegerLiteral 1) $2) }
predecrementexpression : DECREMENT unaryexpression { PreDecrement $2 } predecrementexpression : DECREMENT unaryexpression { Assignment $2 (BinaryOperation Subtraction (IntegerLiteral 1) $2) }
postincrementexpression : postfixexpression INCREMENT { PostIncrement $1 } postincrementexpression : postfixexpression INCREMENT { PostIncrement $1 }