ComprehensionClause.ceylon
import ceylon.ast.core {
ComprehensionClause,
Node
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JComprehensionClause=ComprehensionClause,
JExpressionComprehensionClause=ExpressionComprehensionClause,
JInitialComprehensionClause=InitialComprehensionClause
}
}
"Converts a RedHat AST [[ComprehensionClause|JComprehensionClause]] to a `ceylon.ast` [[ComprehensionClause]]."
shared ComprehensionClause comprehensionClauseToCeylon(JComprehensionClause comprehensionClause, Anything(JNode,Node) update = noop) {
assert (is JInitialComprehensionClause|JExpressionComprehensionClause comprehensionClause);
switch (comprehensionClause)
case (is JInitialComprehensionClause) { return initialComprehensionClauseToCeylon(comprehensionClause, update); }
case (is JExpressionComprehensionClause) { return expressionComprehensionClauseToCeylon(comprehensionClause, update); }
}
"Compiles the given [[code]] for a Comprehension Clause
into a [[ComprehensionClause]] using the Ceylon compiler
(more specifically, the rule for a `comprehensionClause`)."
shared ComprehensionClause? compileComprehensionClause(String code, Anything(JNode,Node) update = noop) {
if (exists jComprehensionClause = createParser(code).comprehensionClause()) {
return comprehensionClauseToCeylon(jComprehensionClause, update);
} else {
return null;
}
}