EqualityOperation.ceylon
import ceylon.ast.core {
EqualityOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JEqualOp=EqualOp,
JEqualityOp=EqualityOp,
JIdenticalOp=IdenticalOp,
JNotEqualOp=NotEqualOp
}
}
"Converts a RedHat AST [[EqualityOp|JEqualityOp]] or [[IdenticalOp|JIdenticalOp]] to a `ceylon.ast` [[EqualityOperation]]."
shared EqualityOperation equalityOperationToCeylon(JEqualityOp|JIdenticalOp equalityOperation) {
assert (is JEqualOp|JNotEqualOp|JIdenticalOp equalityOperation);
switch (equalityOperation)
case (is JEqualOp) { return equalOperationToCeylon(equalityOperation); }
case (is JNotEqualOp) { return notEqualOperationToCeylon(equalityOperation); }
case (is JIdenticalOp) { return identicalOperationToCeylon(equalityOperation); }
}
"Compiles the given [[code]] for an Equality Operation
into an [[EqualityOperation]] using the Ceylon compiler
(more specifically, the rule for an `equalityExpression`)."
shared EqualityOperation? compileEqualityOperation(String code) {
if (is JEqualityOp|JIdenticalOp jEqualityExpression = createParser(code).equalityExpression()) {
return equalityOperationToCeylon(jEqualityExpression);
} else {
return null;
}
}