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Add ScopeAndTokenKey. Make sure other keys are immutable.

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This commit is contained in:
de4dot 2011-11-02 04:14:59 +01:00
parent 3db7a0fedf
commit 8b780a4696
1 changed files with 55 additions and 9 deletions
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64
blocks/MemberReferenceHelper.cs
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@ -44,8 +44,54 @@ namespace de4dot.blocks {
TypeReference,
}
public class ScopeAndTokenKey {
readonly IMetadataScope scope;
readonly int token;
public ScopeAndTokenKey(TypeReference type)
: this(type.Scope, type.MetadataToken.ToInt32()) {
}
public ScopeAndTokenKey(FieldReference field)
: this(field.DeclaringType == null ? null : field.DeclaringType.Scope, field.MetadataToken.ToInt32()) {
}
public ScopeAndTokenKey(MethodReference method)
: this(method.DeclaringType == null ? null : method.DeclaringType.Scope, method.MetadataToken.ToInt32()) {
}
public ScopeAndTokenKey(PropertyReference prop)
: this(prop.DeclaringType == null ? null : prop.DeclaringType.Scope, prop.MetadataToken.ToInt32()) {
}
public ScopeAndTokenKey(EventReference evt)
: this(evt.DeclaringType == null ? null : evt.DeclaringType.Scope, evt.MetadataToken.ToInt32()) {
}
public ScopeAndTokenKey(IMetadataScope scope, int token) {
this.scope = scope;
this.token = token;
}
public override int GetHashCode() {
return token + MemberReferenceHelper.scopeHashCode(scope);
}
public override bool Equals(object obj) {
var other = obj as ScopeAndTokenKey;
if (other == null)
return false;
return token == other.token &&
MemberReferenceHelper.compareScope(scope, other.scope);
}
public override string ToString() {
return string.Format("{0:X8} {1}", token, scope);
}
}
public class TypeReferenceKey {
TypeReference typeRef;
readonly TypeReference typeRef;
public TypeReference TypeReference {
get { return typeRef; }
@ -72,7 +118,7 @@ namespace de4dot.blocks {
}
public class FieldReferenceKey {
FieldReference fieldRef;
readonly FieldReference fieldRef;
public FieldReference FieldReference {
get { return fieldRef; }
@ -99,7 +145,7 @@ namespace de4dot.blocks {
}
public class PropertyReferenceKey {
PropertyReference propRef;
readonly PropertyReference propRef;
public PropertyReference PropertyReference {
get { return propRef; }
@ -126,7 +172,7 @@ namespace de4dot.blocks {
}
public class EventReferenceKey {
EventReference eventRef;
readonly EventReference eventRef;
public EventReference EventReference {
get { return eventRef; }
@ -153,7 +199,7 @@ namespace de4dot.blocks {
}
public class MethodReferenceKey {
MethodReference methodRef;
readonly MethodReference methodRef;
public MethodReference MethodReference {
get { return methodRef; }
@ -180,7 +226,7 @@ namespace de4dot.blocks {
}
public class FieldReferenceAndDeclaringTypeKey {
FieldReference fieldRef;
readonly FieldReference fieldRef;
public FieldReference FieldReference {
get { return fieldRef; }
@ -209,7 +255,7 @@ namespace de4dot.blocks {
}
public class MethodReferenceAndDeclaringTypeKey {
MethodReference methodRef;
readonly MethodReference methodRef;
public MethodReference MethodReference {
get { return methodRef; }
@ -292,7 +338,7 @@ namespace de4dot.blocks {
return name;
}
static bool compareScope(IMetadataScope a, IMetadataScope b) {
public static bool compareScope(IMetadataScope a, IMetadataScope b) {
if (ReferenceEquals(a, b))
return true;
if (a == null || b == null)
@ -300,7 +346,7 @@ namespace de4dot.blocks {
return getCanonicalizedScopeName(a) == getCanonicalizedScopeName(b);
}
static int scopeHashCode(IMetadataScope a) {
public static int scopeHashCode(IMetadataScope a) {
if (a == null)
return 0;
return getCanonicalizedScopeName(a).GetHashCode();