de4dot-cex/de4dot.code/renamer/TypeNames.cs
2011-11-24 05:25:04 +01:00

142 lines
4.2 KiB
C#

/*
Copyright (C) 2011 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using Mono.Cecil;
namespace de4dot.renamer {
abstract class TypeNames {
protected Dictionary<string, NameCreator> typeNames = new Dictionary<string, NameCreator>(StringComparer.Ordinal);
protected NameCreator genericParamNameCreator = new NameCreator("gparam_");
public string create(TypeReference typeRef) {
if (typeRef.IsGenericInstance) {
var git = (GenericInstanceType)typeRef;
if (git.ElementType.FullName == "System.Nullable`1" &&
git.GenericArguments.Count == 1 && git.GenericArguments[0] != null) {
typeRef = git.GenericArguments[0];
}
}
string prefix = getPrefix(typeRef);
var elementType = typeRef.GetElementType();
if (elementType is GenericParameter)
return genericParamNameCreator.create();
var name = elementType.FullName;
NameCreator nc;
if (typeNames.TryGetValue(name, out nc))
return nc.create();
var parts = name.Replace('/', '.').Split(new char[] { '.' });
var newName = parts[parts.Length - 1];
int tickIndex = newName.LastIndexOf('`');
if (tickIndex > 0)
newName = newName.Substring(0, tickIndex);
return addTypeName(name, newName, prefix).create();
}
string getPrefix(TypeReference typeRef) {
string prefix = "";
while (typeRef is PointerType) {
typeRef = ((PointerType)typeRef).ElementType;
prefix += "p";
}
return prefix;
}
protected INameCreator addTypeName(string fullName, string newName, string prefix = "") {
newName = fixName(prefix, newName);
var name2 = " " + newName;
NameCreator nc;
if (!typeNames.TryGetValue(name2, out nc))
typeNames[name2] = nc = new NameCreator(newName + "_");
typeNames[fullName] = nc;
return nc;
}
protected abstract string fixName(string prefix, string name);
public virtual TypeNames merge(TypeNames other) {
foreach (var pair in other.typeNames) {
if (typeNames.ContainsKey(pair.Key))
typeNames[pair.Key].merge(pair.Value);
else
typeNames[pair.Key] = pair.Value.clone();
}
genericParamNameCreator.merge(other.genericParamNameCreator);
return this;
}
protected static string upperFirst(string s) {
return s.Substring(0, 1).ToUpperInvariant() + s.Substring(1);
}
}
class VariableNameCreator : TypeNames {
public VariableNameCreator() {
addTypeName("System.Boolean", "bool");
addTypeName("System.Byte", "byte");
addTypeName("System.Char", "char");
addTypeName("System.Double", "double");
addTypeName("System.Int16", "short");
addTypeName("System.Int32", "int");
addTypeName("System.Int64", "long");
addTypeName("System.IntPtr", "intptr");
addTypeName("System.SByte", "sbyte");
addTypeName("System.Single", "float");
addTypeName("System.String", "string");
addTypeName("System.UInt16", "ushort");
addTypeName("System.UInt32", "uint");
addTypeName("System.UInt64", "ulong");
addTypeName("System.UIntPtr", "uintptr");
addTypeName("System.Decimal", "decimal");
}
static string lowerLeadingChars(string name) {
var s = "";
for (int i = 0; i < name.Length; i++) {
char c = char.ToLowerInvariant(name[i]);
if (c == name[i])
return s + name.Substring(i);
s += c;
}
return s;
}
protected override string fixName(string prefix, string name) {
name = lowerLeadingChars(name);
if (prefix == "")
return name;
return prefix + upperFirst(name);
}
}
class PropertyNameCreator : TypeNames {
protected override string fixName(string prefix, string name) {
return prefix + upperFirst(name);
}
}
}