Condition.ceylon
import ceylon.ast.core {
Condition,
Node
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JBooleanCondition=BooleanCondition,
JCondition=Condition,
JExistsOrNonemptyCondition=ExistsOrNonemptyCondition,
JIsCondition=IsCondition
}
}
"Converts a RedHat AST [[Condition|JCondition]] to a `ceylon.ast` [[Condition]]."
shared Condition conditionToCeylon(JCondition condition, Anything(JNode,Node) update = noop) {
assert (is JBooleanCondition|JIsCondition|JExistsOrNonemptyCondition condition);
switch (condition)
case (is JBooleanCondition) { return booleanConditionToCeylon(condition, update); }
case (is JIsCondition) { return isConditionToCeylon(condition, update); }
case (is JExistsOrNonemptyCondition) { return existsOrNonemptyConditionToCeylon(condition, update); }
}
"Compiles the given [[code]] for a Condition
into a [[Condition]] using the Ceylon compiler
(more specifically, the rule for a `condition`)."
shared Condition? compileCondition(String code, Anything(JNode,Node) update = noop) {
if (exists jCondition = createParser(code + ",").condition()) {
// the parser needs that comma for some conditions
return conditionToCeylon(jCondition, update);
} else {
return null;
}
}