OfOperation.ceylon
import ceylon.ast.core {
OfOperation,
ExistsNonemptyExpression
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JOfOp=OfOp,
JStaticType=StaticType
}
}
"Converts a RedHat AST [[OfOp|JOfOp]] to a `ceylon.ast` [[OfOperation]]."
shared OfOperation ofOperationToCeylon(JOfOp ofOperation) {
"Check precedence"
assert (is ExistsNonemptyExpression operand = expressionToCeylon(ofOperation.term));
"Must be a real type"
assert (is JStaticType type = ofOperation.type);
return OfOperation(operand, typeToCeylon(type));
}
"Compiles the given [[code]] for an Of Operation
into an [[OfOperation]] using the Ceylon compiler
(more specifically, the rule for a `comparisonExpression`)."
shared OfOperation? compileOfOperation(String code) {
if (is JOfOp jComparisonExpression = createParser(code).comparisonExpression()) {
return ofOperationToCeylon(jComparisonExpression);
} else {
return null;
}
}