package lombok.javac;
import java.util.ArrayList;
import java.util.SortedSet;
import javax.annotation.processing.Messager;
import com.sun.source.util.Trees;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.List;
import lombok.ConfigurationKeys;
import lombok.core.CleanupRegistry;
import lombok.core.LombokConfiguration;
public class JavacTransformer {
private final HandlerLibrary handlers;
private final Messager messager;
public JavacTransformer(Messager messager, Trees trees) {
this.messager = messager;
this.handlers = HandlerLibrary.load(messager, trees);
}
public SortedSet<Long> getPriorities() {
return handlers.getPriorities();
}
public SortedSet<Long> getPrioritiesRequiringResolutionReset() {
return handlers.getPrioritiesRequiringResolutionReset();
}
public void transform(long priority, Context context, java.util.List<JCCompilationUnit> compilationUnitsRaw, CleanupRegistry cleanup) {
List<JCCompilationUnit> compilationUnits;
if (compilationUnitsRaw instanceof List<?>) {
compilationUnits = (List<JCCompilationUnit>) compilationUnitsRaw;
} else {
compilationUnits = List.nil();
for (int i = compilationUnitsRaw.size() -1; i >= 0; i--) {
compilationUnits = compilationUnits.prepend(compilationUnitsRaw.get(i));
}
}
java.util.List<JavacAST> asts = new ArrayList<JavacAST>();
for (JCCompilationUnit unit : compilationUnits) {
if (!Boolean.TRUE.equals(LombokConfiguration.read(ConfigurationKeys.LOMBOK_DISABLE, JavacAST.getAbsoluteFileLocation(unit)))) {
asts.add(new JavacAST(messager, context, unit, cleanup));
}
}
for (JavacAST ast : asts) {
ast.traverse(new AnnotationVisitor(priority));
handlers.callASTVisitors(ast, priority);
}
for (JavacAST ast : asts) if (ast.isChanged()) LombokOptions.markChanged(context, (JCCompilationUnit) ast.top().get());
}
private class AnnotationVisitor extends JavacASTAdapter {
private final long priority;
AnnotationVisitor(long priority) {
this.priority = priority;
}
@Override public void visitAnnotationOnType(JCClassDecl type, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
@Override public void visitAnnotationOnField(JCVariableDecl field, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
@Override public void visitAnnotationOnMethod(JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
@Override public void visitAnnotationOnMethodArgument(JCVariableDecl argument, JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
@Override public void visitAnnotationOnLocal(JCVariableDecl local, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
@Override public void visitAnnotationOnTypeUse(JCTree typeUse, JavacNode annotationNode, JCAnnotation annotation) {
JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get();
handlers.handleAnnotation(top, annotationNode, annotation, priority);
}
}
}