diff options
Diffstat (limited to 'src/core/lombok/javac/JavacResolution.java')
-rw-r--r-- | src/core/lombok/javac/JavacResolution.java | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/src/core/lombok/javac/JavacResolution.java b/src/core/lombok/javac/JavacResolution.java index 7f940d2a..9a0077a7 100644 --- a/src/core/lombok/javac/JavacResolution.java +++ b/src/core/lombok/javac/JavacResolution.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011-2018 The Project Lombok Authors. + * Copyright (C) 2011-2020 The Project Lombok Authors. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -33,10 +33,6 @@ import java.util.Map; import javax.lang.model.type.TypeKind; import javax.tools.JavaFileObject; -import lombok.Lombok; -import lombok.core.debug.AssertionLogger; -import lombok.permit.Permit; - import com.sun.tools.javac.code.BoundKind; import com.sun.tools.javac.code.Symbol.TypeSymbol; import com.sun.tools.javac.code.Symtab; @@ -58,11 +54,16 @@ import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; import com.sun.tools.javac.tree.JCTree.JCExpression; import com.sun.tools.javac.tree.JCTree.JCMethodDecl; import com.sun.tools.javac.tree.JCTree.JCVariableDecl; +import com.sun.tools.javac.tree.JCTree.JCWildcard; import com.sun.tools.javac.util.Context; import com.sun.tools.javac.util.List; import com.sun.tools.javac.util.ListBuffer; import com.sun.tools.javac.util.Log; +import lombok.Lombok; +import lombok.core.debug.AssertionLogger; +import lombok.permit.Permit; + public class JavacResolution { private final Attr attr; private final CompilerMessageSuppressor messageSuppressor; @@ -286,7 +287,7 @@ public class JavacResolution { } public static JCExpression typeToJCTree(Type type, JavacAST ast, boolean allowVoid) throws TypeNotConvertibleException { - return typeToJCTree(type, ast, false, allowVoid); + return typeToJCTree(type, ast, false, allowVoid, false); } public static JCExpression createJavaLangObject(JavacAST ast) { @@ -297,7 +298,7 @@ public class JavacResolution { return out; } - private static JCExpression typeToJCTree(Type type, JavacAST ast, boolean allowCompound, boolean allowVoid) throws TypeNotConvertibleException { + private static JCExpression typeToJCTree(Type type, JavacAST ast, boolean allowCompound, boolean allowVoid, boolean allowCapture) throws TypeNotConvertibleException { int dims = 0; Type type0 = type; while (type0 instanceof ArrayType) { @@ -305,7 +306,7 @@ public class JavacResolution { type0 = ((ArrayType) type0).elemtype; } - JCExpression result = typeToJCTree0(type0, ast, allowCompound, allowVoid); + JCExpression result = typeToJCTree0(type0, ast, allowCompound, allowVoid, allowCapture); while (dims > 0) { result = ast.getTreeMaker().TypeArray(result); dims--; @@ -313,7 +314,7 @@ public class JavacResolution { return result; } - private static JCExpression typeToJCTree0(Type type, JavacAST ast, boolean allowCompound, boolean allowVoid) throws TypeNotConvertibleException { + private static JCExpression typeToJCTree0(Type type, JavacAST ast, boolean allowCompound, boolean allowVoid, boolean allowCapture) throws TypeNotConvertibleException { // NB: There's such a thing as maker.Type(type), but this doesn't work very well; it screws up anonymous classes, captures, and adds an extra prefix dot for some reason too. // -- so we write our own take on that here. @@ -337,21 +338,33 @@ public class JavacResolution { List<Type> ifaces = ((ClassType) type).interfaces_field; Type supertype = ((ClassType) type).supertype_field; if (isObject(supertype) && ifaces != null && ifaces.length() > 0) { - return typeToJCTree(ifaces.get(0), ast, allowCompound, allowVoid); + return typeToJCTree(ifaces.get(0), ast, allowCompound, allowVoid, allowCapture); } - if (supertype != null) return typeToJCTree(supertype, ast, allowCompound, allowVoid); + if (supertype != null) return typeToJCTree(supertype, ast, allowCompound, allowVoid, allowCapture); } throw new TypeNotConvertibleException("Anonymous inner class"); } - if (type instanceof CapturedType || type instanceof WildcardType) { + if (type instanceof WildcardType || type instanceof CapturedType) { Type lower, upper; if (type instanceof WildcardType) { - upper = ((WildcardType)type).getExtendsBound(); - lower = ((WildcardType)type).getSuperBound(); + upper = ((WildcardType) type).getExtendsBound(); + lower = ((WildcardType) type).getSuperBound(); } else { lower = type.getLowerBound(); upper = type.getUpperBound(); + if (allowCapture) { + BoundKind bk = ((CapturedType) type).wildcard.kind; + if (bk == BoundKind.UNBOUND) { + return maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null); + } else if (bk == BoundKind.EXTENDS) { + lower = null; + upper = ((CapturedType) type).wildcard.type; + } else if (bk == BoundKind.SUPER) { + lower = ((CapturedType) type).wildcard.type; + upper = null; + } + } } if (allowCompound) { if (lower == null || CTC_BOT.equals(typeTag(lower))) { @@ -361,16 +374,20 @@ public class JavacResolution { if (upper.getTypeArguments().contains(type)) { return maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null); } - return maker.Wildcard(maker.TypeBoundKind(BoundKind.EXTENDS), typeToJCTree(upper, ast, false, false)); + JCExpression bound = typeToJCTree(upper, ast, false, false, true); + if (bound instanceof JCWildcard) return maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null); + return maker.Wildcard(maker.TypeBoundKind(BoundKind.EXTENDS), bound); } else { - return maker.Wildcard(maker.TypeBoundKind(BoundKind.SUPER), typeToJCTree(lower, ast, false, false)); + JCExpression bound = typeToJCTree(lower, ast, false, false, true); + if (bound instanceof JCWildcard) return maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null); + return maker.Wildcard(maker.TypeBoundKind(BoundKind.SUPER), bound); } } if (upper != null) { if (upper.getTypeArguments().contains(type)) { return maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null); } - return typeToJCTree(upper, ast, allowCompound, allowVoid); + return typeToJCTree(upper, ast, allowCompound, allowVoid, true); } return createJavaLangObject(ast); @@ -380,7 +397,7 @@ public class JavacResolution { if (symbol.isLocal()) { qName = symbol.getSimpleName().toString(); } else if (symbol.type != null && symbol.type.getEnclosingType() != null && typeTag(symbol.type.getEnclosingType()).equals(typeTag("CLASS"))) { - replacement = typeToJCTree0(type.getEnclosingType(), ast, false, false); + replacement = typeToJCTree0(type.getEnclosingType(), ast, false, false, false); qName = symbol.getSimpleName().toString(); } else { qName = symbol.getQualifiedName().toString(); @@ -409,7 +426,7 @@ public class JavacResolution { private static JCExpression genericsToJCTreeNodes(List<Type> generics, JavacAST ast, JCExpression rawTypeNode) throws TypeNotConvertibleException { if (generics != null && !generics.isEmpty()) { ListBuffer<JCExpression> args = new ListBuffer<JCExpression>(); - for (Type t : generics) args.append(typeToJCTree(t, ast, true, false)); + for (Type t : generics) args.append(typeToJCTree(t, ast, true, false, true)); return ast.getTreeMaker().TypeApply(rawTypeNode, args.toList()); } |