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authorandroid-build-team Robot <android-build-team-robot@google.com>2018-03-04 08:21:35 +0000
committerandroid-build-team Robot <android-build-team-robot@google.com>2018-03-04 08:21:35 +0000
commitb4c1397d5df9370f6358d4f8e9efd27e0f67dec1 (patch)
tree6789ec288d344cf5fd5d057bcf1efc9545b1af28 /javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java
parent92d661a1d239131fb5c1e019a8f2ac7584d2d3f6 (diff)
parent1afe9e0652b9b53edade5aa276162abe27b32a67 (diff)
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Snap for 4632767 from 1afe9e0652b9b53edade5aa276162abe27b32a67 to pi-releaseandroid-wear-9.0.0_r9android-wear-9.0.0_r8android-wear-9.0.0_r7android-wear-9.0.0_r6android-wear-9.0.0_r5android-wear-9.0.0_r4android-wear-9.0.0_r3android-wear-9.0.0_r23android-wear-9.0.0_r22android-wear-9.0.0_r21android-wear-9.0.0_r20android-wear-9.0.0_r2android-wear-9.0.0_r19android-wear-9.0.0_r18android-wear-9.0.0_r17android-wear-9.0.0_r16android-wear-9.0.0_r15android-wear-9.0.0_r14android-wear-9.0.0_r13android-wear-9.0.0_r12android-wear-9.0.0_r11android-wear-9.0.0_r10android-wear-9.0.0_r1android-vts-9.0_r9android-vts-9.0_r8android-vts-9.0_r7android-vts-9.0_r6android-vts-9.0_r5android-vts-9.0_r4android-vts-9.0_r14android-vts-9.0_r13android-vts-9.0_r12android-vts-9.0_r11android-vts-9.0_r10android-cts-9.0_r9android-cts-9.0_r8android-cts-9.0_r7android-cts-9.0_r6android-cts-9.0_r5android-cts-9.0_r4android-cts-9.0_r3android-cts-9.0_r2android-cts-9.0_r13android-cts-9.0_r12android-cts-9.0_r11android-cts-9.0_r10android-cts-9.0_r1android-9.0.0_r9android-9.0.0_r8android-9.0.0_r7android-9.0.0_r60android-9.0.0_r6android-9.0.0_r59android-9.0.0_r58android-9.0.0_r57android-9.0.0_r56android-9.0.0_r55android-9.0.0_r54android-9.0.0_r53android-9.0.0_r52android-9.0.0_r51android-9.0.0_r50android-9.0.0_r5android-9.0.0_r49android-9.0.0_r48android-9.0.0_r3android-9.0.0_r2android-9.0.0_r18android-9.0.0_r17android-9.0.0_r10android-9.0.0_r1security-pi-releasepie-vts-releasepie-security-releasepie-s2-releasepie-release-2pie-releasepie-r2-s2-releasepie-r2-s1-releasepie-r2-releasepie-platform-releasepie-gsipie-cuttlefish-testingpie-cts-release
Change-Id: Ibe65883e94ed5a7272dff3f100393987a1cf3da2
Diffstat (limited to 'javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java')
-rw-r--r--javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java183
1 files changed, 183 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java b/javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java
new file mode 100644
index 000000000..51fd099e4
--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/resolution/types/ResolvedWildcard.java
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.resolution.types;
+
+import com.github.javaparser.resolution.declarations.ResolvedTypeParameterDeclaration;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * A wildcard can be:
+ * - unbounded (?)
+ * - have a lower bound (? super Number)
+ * - have an upper bound (? extends Number)
+ * It is not possible to have both a lower and an upper bound at the same time.
+ *
+ * @author Federico Tomassetti
+ */
+public class ResolvedWildcard implements ResolvedType {
+
+ public static ResolvedWildcard UNBOUNDED = new ResolvedWildcard(null, null);
+
+ private BoundType type;
+ private ResolvedType boundedType;
+
+ private ResolvedWildcard(BoundType type, ResolvedType boundedType) {
+ if (type == null && boundedType != null) {
+ throw new IllegalArgumentException();
+ }
+ if (type != null && boundedType == null) {
+ throw new IllegalArgumentException();
+ }
+ this.type = type;
+ this.boundedType = boundedType;
+ }
+
+ public static ResolvedWildcard superBound(ResolvedType type) {
+ return new ResolvedWildcard(BoundType.SUPER, type);
+ }
+
+ public static ResolvedWildcard extendsBound(ResolvedType type) {
+ return new ResolvedWildcard(BoundType.EXTENDS, type);
+ }
+
+ @Override
+ public String toString() {
+ return "WildcardUsage{" +
+ "type=" + type +
+ ", boundedType=" + boundedType +
+ '}';
+ }
+
+ public boolean isWildcard() {
+ return true;
+ }
+
+ public ResolvedWildcard asWildcard() {
+ return this;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (!(o instanceof ResolvedWildcard)) return false;
+
+ ResolvedWildcard that = (ResolvedWildcard) o;
+
+ if (boundedType != null ? !boundedType.equals(that.boundedType) : that.boundedType != null) return false;
+ if (type != that.type) return false;
+
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ int result = type != null ? type.hashCode() : 0;
+ result = 31 * result + (boundedType != null ? boundedType.hashCode() : 0);
+ return result;
+ }
+
+ @Override
+ public String describe() {
+ if (type == null) {
+ return "?";
+ } else if (type == BoundType.SUPER) {
+ return "? super " + boundedType.describe();
+ } else if (type == BoundType.EXTENDS) {
+ return "? extends " + boundedType.describe();
+ } else {
+ throw new UnsupportedOperationException();
+ }
+ }
+
+ public boolean isSuper() {
+ return type == BoundType.SUPER;
+ }
+
+ public boolean isExtends() {
+ return type == BoundType.EXTENDS;
+ }
+
+ public boolean isBounded() {
+ return isSuper() || isExtends();
+ }
+
+ public ResolvedType getBoundedType() {
+ if (boundedType == null) {
+ throw new IllegalStateException();
+ }
+ return boundedType;
+ }
+
+ @Override
+ public boolean isAssignableBy(ResolvedType other) {
+ if (boundedType == null) {
+ //return other.isReferenceType() && other.asReferenceType().getQualifiedName().equals(Object.class.getCanonicalName());
+ return false;
+ } else if (type == BoundType.SUPER) {
+ return boundedType.isAssignableBy(other);
+ } else if (type == BoundType.EXTENDS) {
+ return false;
+ } else {
+ throw new RuntimeException();
+ }
+ }
+
+ @Override
+ public ResolvedType replaceTypeVariables(ResolvedTypeParameterDeclaration tpToReplace, ResolvedType replaced, Map<ResolvedTypeParameterDeclaration, ResolvedType> inferredTypes) {
+ if (replaced == null) {
+ throw new IllegalArgumentException();
+ }
+ if (boundedType == null) {
+ return this;
+ }
+ ResolvedType boundedTypeReplaced = boundedType.replaceTypeVariables(tpToReplace, replaced, inferredTypes);
+ if (boundedTypeReplaced == null) {
+ throw new RuntimeException();
+ }
+ if (boundedTypeReplaced != boundedType) {
+ return new ResolvedWildcard(type, boundedTypeReplaced);
+ } else {
+ return this;
+ }
+ }
+
+ @Override
+ public boolean mention(List<ResolvedTypeParameterDeclaration> typeParameters) {
+ return boundedType != null && boundedType.mention(typeParameters);
+ }
+
+ public boolean isUpperBounded() {
+ return isSuper();
+ }
+
+ public boolean isLowerBounded() {
+ return isExtends();
+ }
+
+ public enum BoundType {
+ SUPER,
+ EXTENDS
+ }
+
+}