SwitchCases.ceylon
import ceylon.ast.core {
ElseCaseClause,
SwitchCases
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JSwitchCaseList=SwitchCaseList
}
}
import ceylon.interop.java {
CeylonIterable
}
"Converts a RedHat AST [[SwitchCaseList|JSwitchCaseList]] to a `ceylon.ast` [[SwitchCases]]."
shared SwitchCases switchCasesToCeylon(JSwitchCaseList switchCases) {
assert (nonempty caseClauses = CeylonIterable(switchCases.caseClauses).collect(caseClauseToCeylon));
ElseCaseClause? elseCaseClause;
if (exists jElseClause = switchCases.elseClause) {
elseCaseClause = elseCaseClauseToCeylon(jElseClause);
} else {
elseCaseClause = null;
}
return SwitchCases(caseClauses, elseCaseClause);
}
"Compiles the given [[code]] for Switch Cases
into [[SwitchCases]] using the Ceylon compiler
(more specifically, the rule for `cases`)."
shared SwitchCases? compileSwitchCases(String code) {
if (exists jCases = createParser(code).cases()) {
return switchCasesToCeylon(jCases);
} else {
return null;
}
}