Started to fix some runtime bugs.

.vscode/c_cpp_properties.json

@@ -13,7 +13,7 @@
             ],
             "windowsSdkVersion": "10.0.19041.0",
             "compilerPath": "C:/Users/Ed/scoop/apps/llvm/current/bin/clang++.exe",
-            "intelliSenseMode": "windows-clang-x64"
+            "intelliSenseMode": "windows-clang-x64",
         }
     ],
     "version": 4

.vscode/gencpp.natvis

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
+
+	<Type Name="String">
+		<DisplayString Condition="Data == nullptr">null</DisplayString>
+		<DisplayString>{Data,na}</DisplayString>
+		<Expand>
+			<!-- Define a synthetic child element for the Header -->
+			<Synthetic Name="Header">
+				<!-- Construct a Header object from the Data pointer -->
+				<DisplayString>{(Header*)((char*)Data - sizeof(Header))}</DisplayString>
+				<!-- Define the children of the synthetic element -->
+				<Expand>
+					<Item Name="Allocator">((Header*)((char*)Data - sizeof(Header)))->Allocator</Item>
+					<Item Name="Length">((Header*)((char*)Data - sizeof(Header)))->Length</Item>
+					<Item Name="Capacity">((Header*)((char*)Data - sizeof(Header)))->Capacity</Item>
+				</Expand>
+			</Synthetic>
+		</Expand>
+	</Type>
+
+	<Type Name="String::Header">
+		<DisplayString>Length: {Length}, Capacity: {Capacity}</DisplayString>
+		<Expand>
+			<Item Name="Allocator">Allocator</Item>
+			<Item Name="Length">Length</Item>
+			<Item Name="Capacity">Capacity</Item>
+		</Expand>
+	</Type>
+
+</AutoVisualizer>

.vscode/gencpp_lldbvis.py

@@ -0,0 +1,84 @@
+import lldb
+
+class String_SyntheticChildrenProvider:
+    def __init__(self, valobj, internal_dict):
+        self.valobj = valobj
+
+    def num_children(self):
+        return 3
+
+    def get_child_index(self, name):
+        if name == "Data":
+            return 0
+        if name == "Length":
+            return 1
+        if name == "Capacity":
+            return 2
+
+        return None
+
+    def get_child_at_index(self, index):
+        if index == 0:
+            return self.valobj.GetChildMemberWithName("Data")
+
+        data = self.valobj.GetChildMemberWithName("Data")
+        header_ptr = data.GetValueAsUnsigned() - 16
+        target = self.valobj.GetTarget()
+        header_type = target.FindFirstType("gen::String::Header")
+        header = self.valobj.CreateValueFromAddress("Header", header_ptr, header_type)
+
+        if index == 1:
+            return header.GetChildMemberWithName("Length")
+
+        if index == 2:
+            return header.GetChildMemberWithName("Capacity")
+
+        return None
+
+    def update(self):
+        pass
+
+def list_synthetic_providers(debugger):
+    print("Listing synthetic providers (start)")
+
+    num_categories = debugger.GetNumCategories()
+    print("Debugger language categories count:", num_categories)
+
+    cpp_category = None
+    for i in range(num_categories):
+        print("WERE HERE")
+        print(debugger)
+        cat = debugger.GetCategoryAtIndex(i)
+        print("Category name: {}, language: {}".format(cat.GetName(), cat.GetLanguage()))
+        if cat.GetLanguage() == lldb.eLanguageTypeC_plus_plus:
+            cpp_category = cat
+            break
+
+    if not cpp_category:
+        print("Could not get C++ category")
+        return
+
+    synthetic_providers = cpp_category.GetSyntheticChildren()
+    if not synthetic_providers:
+        print("Could not get synthetic children")
+        return
+
+    num_providers = synthetic_providers.GetSize()
+    print("Number of synthetic providers:", num_providers)
+
+    for i in range(num_providers):
+        provider = synthetic_providers.GetSyntheticChildAtIndex(i)
+        print("Provider regex: {}, class name: {}".format(provider.GetRegex(), provider.GetDescription()))
+
+    print("Listing synthetic providers (finish)")
+
+
+
+
+def __lldb_init_module(debugger, internal_dict):
+    print("Importing the String visualization")
+    debugger.HandleCommand("type synthetic add -x '^gen::String$' -l gencpp_libvis.String_SyntheticChildrenProvider")
+    print("Before list_synthetic_providers")
+    list_synthetic_providers(debugger)
+
+lldb.debugger = None

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "lldb",
+			"request": "launch",
+			"name": "Debug gentime lldb",
+			"program": "${workspaceFolder}/test/gen/build/gencpp.exe",
+			"args": [],
+			"cwd": "${workspaceFolder}",
+			"postRunCommands": [
+				"command script import \"${workspaceFolder}/.vscode/gencpp_lldbvis.py\""
+			]
+		},
+		{
+			"type": "cppvsdbg",
+			"request": "launch",
+			"name": "Debug gentime vsdbg",
+			"program": "${workspaceFolder}/test/gen/build/gencpp.exe",
+			"args": [],
+			"cwd": "${workspaceFolder}",
+			"visualizerFile": "${workspaceFolder}/.vscode/gencpp.natvis"
+		}
+	]
+}

.vscode/settings.json

@@ -18,5 +18,6 @@
 		"algorithm": "cpp",
 		"limits": "cpp"
 	},
-	"C_Cpp.intelliSenseEngineFallback": "disabled"
+	"C_Cpp.intelliSenseEngineFallback": "disabled",
+	"mesonbuild.configureOnOpen": true
 }

gencpp.vcxproj

@@ -76,17 +76,17 @@
     <NMakePreprocessorDefinitions>WIN32;NDEBUG;$(NMakePreprocessorDefinitions)</NMakePreprocessorDefinitions>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <NMakeBuildCommandLine>$(ProjectDir)scripts\build.ps1</NMakeBuildCommandLine>
-    <NMakeReBuildCommandLine>$(ProjectDir)scripts\build.ps1</NMakeReBuildCommandLine>
-    <NMakeCleanCommandLine>$(ProjectDir)scripts\clean.ps1</NMakeCleanCommandLine>
+    <NMakeBuildCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\build.ps1"</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\build.ps1"</NMakeReBuildCommandLine>
+    <NMakeCleanCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\clean.ps1"</NMakeCleanCommandLine>
     <NMakePreprocessorDefinitions>gen_time;$(NMakePreprocessorDefinitions)</NMakePreprocessorDefinitions>
     <IncludePath>$(ProjectDir)thirdparty;$(ProjectDir)project;$(ProjectDir)test;$(IncludePath)</IncludePath>
     <SourcePath>$(ProjectDir)project;$(ProjectDir)test;$(SourcePath)</SourcePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <NMakeBuildCommandLine>$(ProjectDir)scripts\build.ps1</NMakeBuildCommandLine>
-    <NMakeReBuildCommandLine>$(ProjectDir)scripts\build.ps1</NMakeReBuildCommandLine>
-    <NMakeCleanCommandLine>$(ProjectDir)scripts\clean.ps1</NMakeCleanCommandLine>
+    <NMakeBuildCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\build.ps1"</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\build.ps1"</NMakeReBuildCommandLine>
+    <NMakeCleanCommandLine>powershell.exe -ExecutionPolicy Unrestricted -File "$(ProjectDir)scripts\clean.ps1"</NMakeCleanCommandLine>
     <NMakePreprocessorDefinitions>gen_time;$(NMakePreprocessorDefinitions)</NMakePreprocessorDefinitions>
     <IncludePath>$(ProjectDir)thirdparty;$(ProjectDir)project;$(ProjectDir)test;$(IncludePath)</IncludePath>
     <SourcePath>$(ProjectDir)project;$(ProjectDir)test;$(SourcePath)</SourcePath>
@@ -124,6 +124,9 @@
     <ClCompile Include="test\gen\build\meson-private\sanitycheckcpp.cc" />
     <ClCompile Include="test\test.cpp" />
   </ItemGroup>
+  <ItemGroup>
+    <Natvis Include=".vscode\gencpp.natvis" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

gencpp.vcxproj.filters

@@ -14,4 +14,57 @@
       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="project\Bloat.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="project\gen.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="project\gen.singleheader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="test\gen\build\meson-private\sanitycheckc.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="test\gen\build\meson-private\sanitycheckcpp.cc">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="test\test.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="project\Bloat.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="project\Bloat.redef.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="project\Bloat.undef.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="project\gen.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="thirdparty\zpl.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include=".editorconfig" />
+    <None Include="Readme.md" />
+    <None Include="scripts\build.ci.ps1" />
+    <None Include="scripts\build.ps1" />
+    <None Include="scripts\clean.ps1" />
+    <None Include="scripts\get_sources.ps1" />
+    <None Include="scripts\meson.build" />
+    <None Include="singleheader\genc.refactor" />
+    <None Include="test\gen\meson.build" />
+    <None Include="test\meson.build" />
+    <None Include="test\Readme.md" />
+  </ItemGroup>
+  <ItemGroup>
+    <Natvis Include=".vscode\gencpp.natvis" />
+  </ItemGroup>
 </Project>

gencpp.vcxproj.user

@@ -3,4 +3,14 @@
   <PropertyGroup>
     <ShowAllFiles>true</ShowAllFiles>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LocalDebuggerAttach>false</LocalDebuggerAttach>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerCommand>C:\projects\gencpp\test\gen\build\gencpp.exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LocalDebuggerAttach>false</LocalDebuggerAttach>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerCommand>C:\projects\gencpp\test\gen\build\gencpp.exe</LocalDebuggerCommand>
+  </PropertyGroup>
 </Project>

project/Bloat.hpp

@@ -210,6 +210,9 @@ char const* Msg_Invalid_Value = "INVALID VALUE PROVIDED";
 	};
 
 	// Dynamic String
+	// This is directly based off the ZPL string api. 
+	// They used a header pattern
+	// I kept it for simplicty of porting but its not necessary to keep it that way.
 	struct String
 	{
 		struct Header
@@ -265,8 +268,11 @@ char const* Msg_Invalid_Value = "INVALID VALUE PROVIDED";
 			if ( ! str )
 				mem_set( allocation, 0, alloc_size );
 
-			Header header = { allocator, length, length };
-			String result = { rcast( char*, allocation) + header_size };
+			Header& 
+			header = * rcast(Header*, allocation);
+			header = { allocator, length, length };
+
+			String  result = { rcast( char*, allocation) + header_size };
 
 			if ( length && str )
 				mem_copy( result, str, length );
@@ -453,7 +459,7 @@ char const* Msg_Invalid_Value = "INVALID VALUE PROVIDED";
 
 		Header& get_header()
 		{
-			return pcast( Header, Data[ - sizeof( Header ) ] );
+			return *(Header*)(Data - sizeof(Header));
 		}
 
 		sw length() const
@@ -551,6 +557,11 @@ char const* Msg_Invalid_Value = "INVALID VALUE PROVIDED";
 	struct String_POD
 	{
 		char* Data;
+
+		operator String()
+		{
+			return * rcast(String*, this);
+		}
 	};
 	static_assert( sizeof( String_POD ) == sizeof( String ), "String is not a POD" );
 #pragma endregion String

project/gen.cpp

@@ -1213,13 +1213,11 @@ namespace gen
 		Code&
 		t_void_write = ccast( Code, t_void );
 		t_void_write = def_type( name(void) );
-		t_void_write->Readonly = true;
 
-	#	define def_constant_code_type( Type_ )            \
-		Code&                                             \
-		t_##Type_##write = ccast( Code, type_ns(Type_) ); \
-		t_##Type_##write = def_type( name(Type_) );       \
-		t_##Type_##write->Readonly = true;
+	#	define def_constant_code_type( Type_ )             \
+		Code&                                              \
+		t_##Type_##_write = ccast( Code, type_ns(Type_) ); \
+		t_##Type_##_write = def_type( name(Type_) );       \
 
 		def_constant_code_type( int );
 		def_constant_code_type( bool );
@@ -1248,17 +1246,51 @@ namespace gen
 		spec_constexpr_write = ccast( Code, spec_constexpr );
 		spec_constexpr_write = def_specifiers( 1, ESpecifier::Constexpr );
 
-	#	define def_constant_spec( Type_, ... )                                           \
-		Code&                                                                            \
-		spec_##Type_##write = ccast( Code, spec_##Type_);                                \
-		spec_##Type_##write = def_specifiers( macro_num_args(__VA_ARGS__), __VA_ARGS__); \
-		spec_##Type_##write.lock()
+	#	define def_constant_spec( Type_, ... )                                            \
+		Code&                                                                             \
+		spec_##Type_##_write = ccast( Code, spec_##Type_);                                \
+		spec_##Type_##_write = def_specifiers( macro_num_args(__VA_ARGS__), __VA_ARGS__); \
 
 		def_constant_spec( const, ESpecifier::Const );
 		def_constant_spec( inline, ESpecifier::Inline );
 	#	undef def_constant_spec
 	}
 
+	void deinit()
+	{
+		using namespace StaticData;
+
+		s32 left = array_count( CodePools );
+		do
+		{
+			Pool* code_pool = & CodePools[left];
+			pool_free( code_pool );
+		}
+		while ( left--, left );
+
+		left = array_count( CodeEntriesArenas );
+		do
+		{
+			Arena* code_entries_arena = & CodeEntriesArenas[left];
+			arena_free( code_entries_arena );
+		}
+		while ( left--, left );
+
+		left = array_count( StringArenas );
+		do
+		{
+			Arena* string_arena = & StringArenas[left];
+			arena_free( string_arena );
+		}
+		while ( left--, left );
+
+		str_tbl_destroy( & StringMap );
+		type_tbl_destroy( & TypeMap );
+
+		array_free( CodePools );
+		array_free( CodeEntriesArenas );
+	}
+
 	void clear_code_memory()
 	{
 		using namespace StaticData;
@@ -1316,18 +1348,20 @@ namespace gen
 	// Will either make or retrive a code string.
 	StringCached get_cached_string( StrC str )
 	{
-		s32     hash_length = str.Len > kilobytes(1) ? kilobytes(1) : str.Len;
-		u32     key         = crc32( str.Ptr, hash_length );
-		String* result      = str_tbl_get( & StaticData::StringMap, key );
+		s32 hash_length = str.Len > kilobytes(1) ? kilobytes(1) : str.Len;
+		u32 key         = crc32( str.Ptr, hash_length );
+		{
+			String* result = str_tbl_get( & StaticData::StringMap, key );
 
-		if ( result )
-			return * result;
+			if ( result )
+				return * result;
+		}
 
-		* result = String::make( get_string_allocator( str.Len ), str.Ptr );
+		String result = String::make( get_string_allocator( str.Len ), str.Ptr );
 
-		str_tbl_set( & StaticData::StringMap, key, * result );
+		str_tbl_set( & StaticData::StringMap, key, result );
 
-		return * result;
+		return result;
 	}
 
 	/*

project/gen.hpp

@@ -235,12 +235,12 @@ namespace gen
 
 		enum Type : u32
 		{
+			Invalid,
 		#	define Entry( Specifier, Code ) Specifier,
 			Define_Specifiers
 		#	undef Entry
 
 			Num_Specifiers,
-			Invalid,
 		};
 
 		// Specifier to string
@@ -669,14 +669,8 @@ namespace gen
 		inline
 		Code& operator=( Code other )
 		{
-			if ( ast == nullptr )
-			{
-				log_failure("Attempt to set with a null AST!");
-				return *this;
-			}
-
 		#ifdef GEN_ENFORCE_READONLY_AST
-			if ( ast->Readonly )
+			if ( ast && ast->Readonly )
 			{
 				log_failure("Attempted to set a readonly AST!");
 				return *this;
@@ -738,6 +732,8 @@ namespace gen
 	// This currently just initializes the CodePool.
 	void init();
 
+	void deinit();
+
 	/*
 		Use this only if you know you generated the code you needed to a file.
 		And rather get rid of current code asts instead of growing the pool memory.

scripts/build.ci.ps1

@@ -52,7 +52,7 @@ $path_scripts = Join-Path $path_root scripts
 	$gencpp = Join-Path $path_gen_build gencpp.exe
 
 	Push-location $path_gen
-	& $gencpp
+	# & $gencpp
 	Pop-Location
 
 

test/test.cpp

@@ -14,11 +14,9 @@ int gen_main()
 {
 	Memory::setup();
 
-	log_fmt("\nPress any key after attaching to process\n");
-	getchar();
-
 	gen::init();
 
+	gen::deinit();
 	Memory::cleanup();
 	return 0;
 }

x64/Debug/gencpp.log

@@ -0,0 +1,7 @@
+  
+  
+  Building Test
+  
+  ninja: Entering directory `C:\projects\gencpp\test\gen\build'
+  [1/2] Compiling C++ object gencpp.exe.p/.._test.cpp.obj
+  [2/2] Linking target gencpp.exe