C++: Split CppType, CppField, CppTypes into separate files

2020-07-04 17:10:09 +02:00
parent e3043f63c4
commit 6c6f72618a
3 changed files with 564 additions and 537 deletions
--- a/Il2CppInspector.Common/Cpp/CppField.cs
+++ b/Il2CppInspector.Common/Cpp/CppField.cs
@@ -0,0 +1,74 @@
+/*
+    Copyright 2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
+
+    All rights reserved.
+*/
+
+namespace Il2CppInspector.Cpp
+{
+    // A field in a C++ type
+    public class CppField
+    {
+        // The name of the field
+        public string Name { get; set; }
+
+        // The offset of the field into the type
+        public int Offset { get; set; }
+
+        // The offset of the field into the type in bytes
+        public int OffsetBytes => Offset / 8;
+
+        // The size of the field
+        public int Size => (BitfieldSize > 0 ? BitfieldSize : Type.Size);
+
+        public int SizeBytes => (Size / 8) + (Size % 8 > 0 ? 1 : 0);
+
+        // The size of the field in bits
+        public int BitfieldSize { get; set; }
+
+        // The LSB of the bitfield
+        public int BitfieldLSB => Offset % 8;
+
+        // The MSB of the bitfield
+        public int BitfieldMSB => BitfieldLSB + Size - 1;
+
+        // The type of the field
+        public CppType Type { get; set; }
+
+        // C++ representation of field
+        public virtual string ToString(string format = "") {
+            var offset = format == "o" ? $"/* 0x{OffsetBytes:x2} - 0x{OffsetBytes + SizeBytes - 1:x2} (0x{SizeBytes:x2}) */" : "";
+
+            var field = Type switch {
+                // nested anonymous types
+                CppComplexType t when string.IsNullOrEmpty(t.Name) => (format == "o"? "\n" : "") + t.ToString(format)[..^1] + (Name.Length > 0? " " + Name : ""),
+                // function pointers
+                CppFnPtrType t when string.IsNullOrEmpty(t.Name) => (format == "o"? " " : "") + t.FieldToString(Name),
+                // regular fields
+                _ => $"{(format == "o"? " ":"")}{Type.Name} {Name}" + (BitfieldSize > 0? $" : {BitfieldSize}" : "")
+            };
+
+            var suffix = "";
+
+            // arrays
+            if (Type is CppArrayType a)
+                suffix += "[" + a.Length + "]";
+
+            // bitfields
+            if (BitfieldSize > 0 && format == "o")
+                suffix += $" /* bits {BitfieldLSB} - {BitfieldMSB} */";
+
+            return offset + field + suffix;
+        }
+        public override string ToString() => ToString();
+    }
+
+    // An enum key and value pair
+    public class CppEnumField : CppField
+    {
+        // The value of this key name
+        public ulong Value { get; set; }
+
+        public override string ToString(string format = "") => Name + " = " + Value;
+    }
+}