/** Recursively creates enclosing types first. */
private void createCompiledClass(ClassFile classFile, Map<ClassFile, CompiledClass> results) {
if (results.containsKey(classFile)) {
// Already created.
return;
}
CompiledClass enclosingClass = null;
if (classFile.enclosingClassFile != null) {
ClassFile enclosingClassFile = classFile.enclosingClassFile;
createCompiledClass(enclosingClassFile, results);
enclosingClass = results.get(enclosingClassFile);
assert enclosingClass != null;
}
String internalName = CharOperation.charToString(classFile.fileName());
CompiledClass result =
new CompiledClass(
classFile.getBytes(), enclosingClass, isLocalType(classFile), internalName);
results.put(classFile, result);
}
private void resolveClassReference(JsniRef jsniRef) {
// Precedence rules as of JLS 6.4.1.
// 1. Enclosing type.
// 2. Visible type in same compilation unit.
// 3. Named import.
// 4. Same package.
// 5. Import on demand.
String originalName = jsniRef.className();
String importedClassName = originalName;
if (importedClassName.contains(".")) {
// Only retain up the first dot to support innerclasses. E.g. import c.g.A and reference
// @A.I::f.
importedClassName = importedClassName.substring(0, importedClassName.indexOf("."));
}
// 1 & 2. Check to see if this name refers to the enclosing class or is directly accessible
// from it.
ReferenceBinding declaringClass = method.binding.declaringClass;
while (declaringClass != null) {
String declaringClassName = JdtUtil.getSourceName(declaringClass);
if (declaringClassName.equals(importedClassName)
|| declaringClassName.endsWith("." + importedClassName)) {
// Referring to declaring class name using unqualified name.
jsniRef.setResolvedClassName(
declaringClassName + originalName.substring(importedClassName.length()));
return;
}
String fullClassName =
JdtUtil.getBinaryName(declaringClass) + "$" + originalName.replace('.', '$');
if (typeResolver.resolveType(fullClassName) != null) {
jsniRef.setResolvedClassName(JdtUtil.getSourceName(declaringClass) + "." + originalName);
return;
}
declaringClass = declaringClass.enclosingTypeAt(1);
}
// 3. Check to see if this name is one of the named imports.
for (ImportReference importReference : cudImports) {
String nameFromImport = JdtUtil.asDottedString(importReference.getImportName());
if (!importReference.isStatic()
&& importReference.trailingStarPosition == 0
&& nameFromImport.endsWith("." + importedClassName)) {
jsniRef.setResolvedClassName(
nameFromImport + originalName.substring(importedClassName.length()));
return;
}
}
// 4. Check to see if this name is resolvable from the current package.
String currentPackageBinaryClassName =
JdtUtil.getBinaryName(
CharOperation.charToString(method.binding.declaringClass.qualifiedPackageName()),
originalName);
if (typeResolver.resolveType(currentPackageBinaryClassName) != null) {
jsniRef.setResolvedClassName(
JdtUtil.getSourceName(
CharOperation.charToString(method.binding.declaringClass.qualifiedPackageName()),
originalName));
return;
}
// 5. Check to see if this name is resolvable as an import on demand.
List<String> importPackages = Lists.newArrayList("java.lang");
for (ImportReference importReference : cudImports) {
if (importReference.isStatic() || importReference.trailingStarPosition == 0) {
continue;
}
importPackages.add(JdtUtil.asDottedString(importReference.getImportName()));
}
for (String importPackage : importPackages) {
String fullClassName = importPackage + "." + originalName.replace('.', '$');
if (typeResolver.resolveType(fullClassName) != null) {
jsniRef.setResolvedClassName(importPackage + "." + originalName);
return;
}
}
// Otherwise leave it as it is.
// TODO(rluble): Maybe we should leave it null here.
jsniRef.setResolvedClassName(jsniRef.className());
}