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reduce clang errors for header file, fix better array size struct, emit required forward definitions in header

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This commit is contained in:
LukeFZ
2025-07-25 21:21:10 +02:00
parent 6ddbf7ecae
commit 48473e9247
1 changed files with 38 additions and 12 deletions
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50
Il2CppInspector.Common/Outputs/CppScaffolding.cs
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@@ -44,8 +44,13 @@ namespace Il2CppInspector.Outputs
// Write primitive type definitions for when we're not including other headers
writeCode($"""
#define IS_LIBCLANG_DECOMPILER (defined(_IDACLANG_) || defined(_BINARYNINJA_))
#define IS_DECOMPILER (defined(_GHIDRA_) || defined(_IDA_) || IS_LIBCLANG_DECOMPILER)
#if defined(_IDACLANG_) || defined(_BINARYNINJA_)
#define IS_LIBCLANG_DECOMPILER
#endif
#if defined(_GHIDRA_) || defined(_IDA_) || defined(IS_LIBCLANG_DECOMPILER)
#define IS_DECOMPILER
#endif
#if defined(_GHIDRA_) || defined(_IDA_)
typedef unsigned __int8 uint8_t;
@@ -58,7 +63,7 @@ namespace Il2CppInspector.Outputs
typedef __int64 int64_t;
#endif
#if IS_LIBCLANG_DECOMPILER
#if defined(IS_LIBCLANG_DECOMPILER)
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
@@ -67,21 +72,26 @@ namespace Il2CppInspector.Outputs
typedef short int16_t;
typedef int int32_t;
typedef long int64_t;
#ifdef linux
#undef linux
#endif
#if defined(_GHIDRA_) || IS_LIBCLANG_DECOMPILER
#endif
#if defined(_GHIDRA_) || defined(IS_LIBCLANG_DECOMPILER)
typedef int{_model.Package.BinaryImage.Bits}_t intptr_t;
typedef uint{_model.Package.BinaryImage.Bits}_t uintptr_t;
typedef uint{_model.Package.BinaryImage.Bits}_t size_t;
#endif
#if !IS_DECOMPILER
#ifndef IS_DECOMPILER
#define _CPLUSPLUS_
#endif
""");
if (_useBetterArraySize)
writeCode("#define actual_il2cpp_array_size_t il2cpp_array_size_t");
writeCode("#define il2cpp_array_size_t actual_il2cpp_array_size_t");
writeSectionHeader("IL2CPP internal types");
writeCode(_model.UnityHeaders.GetTypeHeaderText(_model.WordSizeBits));
@@ -96,7 +106,7 @@ namespace Il2CppInspector.Outputs
actual_il2cpp_array_size_t value;
} better_il2cpp_array_size_t;
#define better_il2cpp_array_size_t il2cpp_array_size_t
#define il2cpp_array_size_t better_il2cpp_array_size_t
""");
if (_model.TargetCompiler == CppCompilerType.MSVC)
@@ -115,17 +125,20 @@ namespace Il2CppInspector.Outputs
}
// C does not support namespaces
writeCode("#if !IS_DECOMPILER");
writeCode("#ifndef IS_DECOMPILER");
writeCode("namespace app {");
writeCode("#endif");
writeLine("");
writeForwardDefinitions();
writeTypesForGroup("Required forward definitions", "required_forward_definitions");
writeTypesForGroup("Application types from method calls", "types_from_methods");
writeTypesForGroup("Application types from generic methods", "types_from_generic_methods");
writeTypesForGroup("Application types from usages", "types_from_usages");
writeTypesForGroup("Application unused value types", "unused_concrete_types");
writeCode("#if !IS_DECOMPILER");
writeCode("#ifndef IS_DECOMPILER");
writeCode("}");
writeCode("#endif");
}
@@ -306,19 +319,32 @@ namespace Il2CppInspector.Outputs
writeLine("");
}
private void writeTypesForGroup(string header, string group) {
private void writeForwardDefinitions()
{
writeSectionHeader("Required forward definitions");
foreach (var cppType in _model.RequiredForwardDefinitions)
writeCode(cppType.ToString());
}
private void writeTypesForGroup(string header, string group)
{
writeSectionHeader(header);
foreach (var cppType in _model.GetDependencyOrderedCppTypeGroup(group))
if (cppType is CppEnumType) {
{
if (cppType is CppEnumType)
{
// Ghidra can't process C++ enum base types
writeCode("#if defined(_CPLUSPLUS_)");
writeCode(cppType.ToString());
writeCode("#else");
writeCode(cppType.ToString("c"));
writeCode("#endif");
} else {
}
else
{
writeCode(cppType.ToString());
}
}
}
private void writeCode(string text) {