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package lombok.eclipse.handlers;
import java.lang.reflect.Modifier;
import lombok.AccessLevel;
import lombok.core.AST.Kind;
import lombok.eclipse.EclipseAST;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
class PKG {
private PKG() {}
static int toModifier(AccessLevel value) {
switch ( value ) {
case MODULE:
case PACKAGE:
return 0;
default:
case PUBLIC:
return Modifier.PUBLIC;
case PROTECTED:
return Modifier.PROTECTED;
case PRIVATE:
return Modifier.PRIVATE;
}
}
static boolean nameEquals(char[][] typeName, String string) {
StringBuilder sb = new StringBuilder();
boolean first = true;
for ( char[] elem : typeName ) {
if ( first ) first = false;
else sb.append('.');
sb.append(elem);
}
return string.contentEquals(sb);
}
enum MemberExistsResult {
NOT_EXISTS, EXISTS_BY_USER, EXISTS_BY_LOMBOK;
}
static MemberExistsResult fieldExists(String fieldName, EclipseAST.Node node) {
while ( node != null && !(node.get() instanceof TypeDeclaration) ) {
node = node.up();
}
if ( node != null && node.get() instanceof TypeDeclaration ) {
TypeDeclaration typeDecl = (TypeDeclaration)node.get();
if ( typeDecl.fields != null ) for ( FieldDeclaration def : typeDecl.fields ) {
char[] fName = def.name;
if ( fName == null ) continue;
if ( fieldName.equals(new String(fName)) ) {
EclipseAST.Node existing = node.getNodeFor(def);
if ( existing == null || !existing.isHandled() ) return MemberExistsResult.EXISTS_BY_USER;
return MemberExistsResult.EXISTS_BY_LOMBOK;
}
}
}
return MemberExistsResult.NOT_EXISTS;
}
static MemberExistsResult methodExists(String methodName, EclipseAST.Node node) {
while ( node != null && !(node.get() instanceof TypeDeclaration) ) {
node = node.up();
}
if ( node != null && node.get() instanceof TypeDeclaration ) {
TypeDeclaration typeDecl = (TypeDeclaration)node.get();
if ( typeDecl.methods != null ) for ( AbstractMethodDeclaration def : typeDecl.methods ) {
char[] mName = def.selector;
if ( mName == null ) continue;
if ( methodName.equals(new String(mName)) ) {
EclipseAST.Node existing = node.getNodeFor(def);
if ( existing == null || !existing.isHandled() ) return MemberExistsResult.EXISTS_BY_USER;
return MemberExistsResult.EXISTS_BY_LOMBOK;
}
}
}
return MemberExistsResult.NOT_EXISTS;
}
static MemberExistsResult constructorExists(EclipseAST.Node node) {
while ( node != null && !(node.get() instanceof TypeDeclaration) ) {
node = node.up();
}
if ( node != null && node.get() instanceof TypeDeclaration ) {
TypeDeclaration typeDecl = (TypeDeclaration)node.get();
if ( typeDecl.methods != null ) for ( AbstractMethodDeclaration def : typeDecl.methods ) {
if ( def instanceof ConstructorDeclaration ) {
if ( (def.bits & ASTNode.IsDefaultConstructor) != 0 ) continue;
EclipseAST.Node existing = node.getNodeFor(def);
if ( existing == null || !existing.isHandled() ) return MemberExistsResult.EXISTS_BY_USER;
return MemberExistsResult.EXISTS_BY_LOMBOK;
}
}
}
return MemberExistsResult.NOT_EXISTS;
}
static EclipseAST.Node getExistingLombokConstructor(EclipseAST.Node node) {
while ( node != null && !(node.get() instanceof TypeDeclaration) ) {
node = node.up();
}
if ( node.get() instanceof TypeDeclaration ) {
for ( AbstractMethodDeclaration def : ((TypeDeclaration)node.get()).methods ) {
if ( def instanceof ConstructorDeclaration ) {
if ( (def.bits & ASTNode.IsDefaultConstructor) != 0 ) continue;
EclipseAST.Node existing = node.getNodeFor(def);
if ( existing.isHandled() ) return existing;
}
}
}
return null;
}
static EclipseAST.Node getExistingLombokMethod(String methodName, EclipseAST.Node node) {
while ( node != null && !(node.get() instanceof TypeDeclaration) ) {
node = node.up();
}
if ( node.get() instanceof TypeDeclaration ) {
for ( AbstractMethodDeclaration def : ((TypeDeclaration)node.get()).methods ) {
char[] mName = ((AbstractMethodDeclaration)def).selector;
if ( mName == null ) continue;
if ( methodName.equals(new String(mName)) ) {
EclipseAST.Node existing = node.getNodeFor(def);
if ( existing.isHandled() ) return existing;
}
}
}
return null;
}
static void injectField(EclipseAST.Node type, FieldDeclaration field) {
TypeDeclaration parent = (TypeDeclaration) type.get();
if ( parent.fields == null ) {
parent.fields = new FieldDeclaration[1];
parent.fields[0] = field;
} else {
FieldDeclaration[] newArray = new FieldDeclaration[parent.fields.length + 1];
System.arraycopy(parent.fields, 0, newArray, 0, parent.fields.length);
newArray[parent.fields.length] = field;
parent.fields = newArray;
}
type.add(field, Kind.FIELD).recursiveSetHandled();
}
static void injectMethod(EclipseAST.Node type, AbstractMethodDeclaration method) {
TypeDeclaration parent = (TypeDeclaration) type.get();
if ( parent.methods == null ) {
parent.methods = new AbstractMethodDeclaration[1];
parent.methods[0] = method;
} else {
boolean injectionComplete = false;
if ( method instanceof ConstructorDeclaration ) {
for ( int i = 0 ; i < parent.methods.length ; i++ ) {
if ( parent.methods[i] instanceof ConstructorDeclaration &&
(parent.methods[i].bits & ASTNode.IsDefaultConstructor) != 0 ) {
EclipseAST.Node tossMe = type.getNodeFor(parent.methods[i]);
parent.methods[i] = method;
if ( tossMe != null ) tossMe.up().removeChild(tossMe);
injectionComplete = true;
break;
}
}
}
if ( !injectionComplete ) {
AbstractMethodDeclaration[] newArray = new AbstractMethodDeclaration[parent.methods.length + 1];
System.arraycopy(parent.methods, 0, newArray, 0, parent.methods.length);
newArray[parent.methods.length] = method;
parent.methods = newArray;
}
}
type.add(method, Kind.METHOD).recursiveSetHandled();
}
}
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