CompilationUnit.ceylon
import ceylon.ast.core {
CompilationUnit
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JCompilationUnit=CompilationUnit
}
}
import ceylon.interop.java {
CeylonIterable
}
"Converts a RedHat AST [[CompilationUnit|JCompilationUnit]] to a `ceylon.ast` [[CompilationUnit]]."
throws (`class AssertionError`, "If the compilation unit contains package or module descriptors")
shared CompilationUnit compilationUnitToCeylon(JCompilationUnit compilationUnit) {
"Must not have package or module descriptors"
assert (compilationUnit.packageDescriptors.empty,
compilationUnit.moduleDescriptors.empty);
return CompilationUnit {
declarations = CeylonIterable(compilationUnit.declarations).collect(declarationToCeylon);
imports = CeylonIterable(compilationUnit.importList.imports).collect(importToCeylon);
};
}
"Compiles the given [[code]] for a Compilation Unit
into a [[CompilationUnit]] using the Ceylon compiler
(more specifically, the rule for a `compilationUnit`)."
shared CompilationUnit? compileCompilationUnit(String code) {
if (exists jCompilationUnit = createParser(code).compilationUnit(),
jCompilationUnit.packageDescriptors.empty,
jCompilationUnit.moduleDescriptors.empty) {
return compilationUnitToCeylon(jCompilationUnit);
} else {
return null;
}
}