Merge pull request #1 from cartman300/master

Merge 'master'

.gitignore

@@ -1,3 +1,258 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+#################################### Edit after this line, ^ upper part is the visual studio template
+
 # Object files
 *.o
 *.ko
@@ -6,7 +261,6 @@
 
 # Precompiled Headers
 *.gch
-*.pch
 
 # Libraries
 *.lib

exports.def

@@ -0,0 +1,225 @@
+LIBRARY gravity
+EXPORTS
+
+;;;	gravity_vm.h
+
+	gravity_vm_new
+	gravity_vm_newmini
+	gravity_vm_set_callbacks
+	gravity_vm_free
+;	gravity_vm_reset
+	gravity_vm_runclosure
+	gravity_vm_run
+	gravity_vm_setvalue
+	gravity_vm_lookup
+	gravity_vm_getvalue
+	gravity_vm_time
+	gravity_vm_result
+	gravity_vm_delegate
+	gravity_vm_fiber
+	gravity_vm_setfiber
+	gravity_vm_seterror
+	gravity_vm_seterror_string
+	gravity_vm_ismini
+	gravity_vm_keyindex
+	gravity_vm_isaborted
+	gravity_vm_setaborted
+
+	gravity_gray_value
+	gravity_gray_object
+	gravity_gc_start
+	gravity_gc_setenabled
+	gravity_gc_push
+	gravity_gc_pop
+
+	gravity_vm_transfer
+	gravity_vm_cleanup
+	gravity_vm_filter
+
+	gravity_vm_loadfile
+	gravity_vm_loadbuffer
+	gravity_vm_initmodule
+
+	gravity_vm_fastlookup
+	gravity_vm_setslot
+	gravity_vm_getslot
+	gravity_vm_setdata
+	gravity_vm_getdata
+	gravity_vm_memupdate
+
+	gravity_vm_get
+	gravity_vm_set
+	gravity_vm_anonymous
+
+;;;	gravity_core.h
+
+	gravity_core_register
+	gravity_iscore_class
+	gravity_core_free
+	gravity_core_identifiers
+
+	convert_value2int
+	convert_value2float
+	convert_value2bool
+	convert_value2string
+
+;;;	gravity_hash.h
+	
+	gravity_hash_create
+	gravity_hash_free
+	gravity_hash_isempty
+	gravity_hash_remove
+	gravity_hash_insert
+	gravity_hash_lookup
+
+	gravity_hash_memsize
+	gravity_hash_count
+	gravity_hash_compute_buffer
+	gravity_hash_compute_int
+	gravity_hash_compute_float
+	gravity_hash_stat
+	gravity_hash_iterate
+	gravity_hash_iterate2
+	gravity_hash_transform
+	gravity_hash_dump
+	gravity_hash_append
+	gravity_hash_resetfree
+
+;;;	gravity_value.h
+
+	gravity_module_new
+	gravity_module_free
+	gravity_module_blacken
+	gravity_module_size
+	
+	gravity_function_new
+	gravity_function_new_internal
+	gravity_function_new_special
+	gravity_function_new_bridged
+	gravity_function_cpool_add
+	gravity_function_cpool_get
+	gravity_function_dump
+;	gravity_function_setouter
+	gravity_function_setxdata
+	gravity_function_serialize
+	gravity_bytecode_deserialize
+	gravity_function_deserialize
+	gravity_function_free
+	gravity_function_blacken
+	gravity_function_size
+
+	gravity_upvalue_new
+	gravity_upvalue_size
+	gravity_upvalue_blacken
+	gravity_upvalue_free
+
+	gravity_class_bind
+	gravity_class_getsuper
+	gravity_class_grow
+	gravity_class_setsuper
+	gravity_class_new_single
+	gravity_class_new_pair
+	gravity_class_get_meta
+	gravity_class_is_meta
+	gravity_class_count_ivars
+	gravity_class_dump
+	gravity_class_setxdata
+	gravity_class_add_ivar
+	gravity_class_serialize
+	gravity_class_deserialize
+	gravity_class_free
+	gravity_class_free_core
+	gravity_class_lookup
+	gravity_class_lookup_closure
+	gravity_class_lookup_constructor
+	gravity_class_blacken
+	gravity_class_size
+
+	gravity_fiber_new
+	gravity_fiber_reassign
+	gravity_fiber_seterror
+	gravity_fiber_free
+	gravity_fiber_blacken
+	gravity_fiber_size
+	
+	gravity_instance_new
+	gravity_instance_dup
+	gravity_instance_setivar
+	gravity_instance_setxdata
+	gravity_instance_free
+	gravity_instance_lookup_event
+	gravity_instance_blacken
+	gravity_instance_size
+	
+	gravity_value_equals
+	gravity_value_hash
+	gravity_value_getclass
+	gravity_value_getsuper
+	gravity_value_free
+	gravity_value_serialize
+	gravity_value_dump
+	gravity_value_isobject
+	gravity_value_xdata
+;	gravity_value_blacken
+	gravity_value_size
+	
+	gravity_object_serialize
+	gravity_object_deserialize
+	gravity_object_free
+	gravity_object_blacken
+	gravity_object_size
+	gravity_object_debug
+	
+	gravity_list_new
+	gravity_list_from_array
+	gravity_list_free
+	gravity_list_append_list
+	gravity_list_blacken
+	gravity_list_size
+	
+	gravity_map_new
+	gravity_map_free
+	gravity_map_append_map
+	gravity_map_insert
+	gravity_map_blacken
+	gravity_map_size
+	
+	gravity_range_new
+	gravity_range_free
+	gravity_range_blacken
+	gravity_range_size
+	
+	gravity_string_to_value
+	gravity_string_new
+	gravity_string_set
+	gravity_string_free
+	gravity_string_blacken
+	gravity_string_size
+	
+	gravity_hash_keyvaluefree
+	gravity_hash_keyfree
+	gravity_hash_valuefree
+
+;;;	gravity_debug.h
+
+	gravity_disassemble
+
+;;;	gravity_compiler.h
+
+	gravity_compiler_create
+	gravity_compiler_run
+	gravity_compiler_serialize
+	gravity_compiler_serialize_infile
+	gravity_compiler_transfer
+	gravity_compiler_ast
+	gravity_compiler_free
+
+;;;	gravity_optimizer.h
+
+	gravity_optimizer
+
+;;;	gravity_parser.h
+
+	gravity_parser_create
+	gravity_parser_run
+	gravity_parser_free

gravity.sln

@@ -0,0 +1,33 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26127.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GravityLang", "gravity\gravity.vcxproj", "{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{23D9D4FA-6B0F-4151-9CD6-C56F0C44F646}"
+	ProjectSection(SolutionItems) = preProject
+		exports.def = exports.def
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Debug|x64.ActiveCfg = Debug|x64
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Debug|x64.Build.0 = Debug|x64
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Debug|x86.ActiveCfg = Debug|Win32
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Debug|x86.Build.0 = Debug|Win32
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Release|x64.ActiveCfg = Release|x64
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Release|x64.Build.0 = Release|x64
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Release|x86.ActiveCfg = Release|Win32
+		{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

gravity/gravity.vcxproj

@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{EC12BE0A-025E-4168-9D2D-419A18CB2EF5}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>gravity</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.14393.0</WindowsTargetPlatformVersion>
+    <ProjectName>GravityLang</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)bin\</OutDir>
+    <IncludePath>$(SolutionDir)gravity\;$(SolutionDir)src\compiler\;$(SolutionDir)src\utils\;$(SolutionDir)src\shared\;$(SolutionDir)src\runtime\;$(IncludePath)</IncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)bin\</OutDir>
+    <IncludePath>$(SolutionDir)gravity\;$(SolutionDir)src\compiler\;$(SolutionDir)src\utils\;$(SolutionDir)src\shared\;$(SolutionDir)src\runtime\;$(IncludePath)</IncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)bin\</OutDir>
+    <IncludePath>$(SolutionDir)gravity\;$(SolutionDir)src\compiler\;$(SolutionDir)src\utils\;$(SolutionDir)src\shared\;$(SolutionDir)src\runtime\;$(IncludePath)</IncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)bin\</OutDir>
+    <IncludePath>$(SolutionDir)gravity\;$(SolutionDir)src\compiler\;$(SolutionDir)src\utils\;$(SolutionDir)src\shared\;$(SolutionDir)src\runtime\;$(IncludePath)</IncludePath>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;GRAVITY_EXPORTS;%(PreprocessorDefinitions);GRAVITY_API=__declspec(dllexport);inline=</PreprocessorDefinitions>
+      <DisableSpecificWarnings>4068;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <RemoveUnreferencedCodeData>false</RemoveUnreferencedCodeData>
+      <InlineFunctionExpansion>Default</InlineFunctionExpansion>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
+      <ModuleDefinitionFile>$(SolutionDir)exports.def</ModuleDefinitionFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;GRAVITY_EXPORTS;%(PreprocessorDefinitions);GRAVITY_API=__declspec(dllexport);inline=</PreprocessorDefinitions>
+      <DisableSpecificWarnings>4068;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <RemoveUnreferencedCodeData>false</RemoveUnreferencedCodeData>
+      <InlineFunctionExpansion>Default</InlineFunctionExpansion>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
+      <ModuleDefinitionFile>$(SolutionDir)exports.def</ModuleDefinitionFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;GRAVITY_EXPORTS;%(PreprocessorDefinitions);GRAVITY_API=__declspec(dllexport);inline=</PreprocessorDefinitions>
+      <DisableSpecificWarnings>4068;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <RemoveUnreferencedCodeData>false</RemoveUnreferencedCodeData>
+      <InlineFunctionExpansion>Default</InlineFunctionExpansion>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
+      <ModuleDefinitionFile>$(SolutionDir)exports.def</ModuleDefinitionFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;GRAVITY_EXPORTS;%(PreprocessorDefinitions);GRAVITY_API=__declspec(dllexport);inline=</PreprocessorDefinitions>
+      <DisableSpecificWarnings>4068;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <RemoveUnreferencedCodeData>false</RemoveUnreferencedCodeData>
+      <InlineFunctionExpansion>Default</InlineFunctionExpansion>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
+      <ModuleDefinitionFile>$(SolutionDir)exports.def</ModuleDefinitionFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\compiler\debug_macros.h" />
+    <ClInclude Include="..\src\compiler\gravity_ast.h" />
+    <ClInclude Include="..\src\compiler\gravity_codegen.h" />
+    <ClInclude Include="..\src\compiler\gravity_compiler.h" />
+    <ClInclude Include="..\src\compiler\gravity_ircode.h" />
+    <ClInclude Include="..\src\compiler\gravity_lexer.h" />
+    <ClInclude Include="..\src\compiler\gravity_optimizer.h" />
+    <ClInclude Include="..\src\compiler\gravity_parser.h" />
+    <ClInclude Include="..\src\compiler\gravity_semacheck1.h" />
+    <ClInclude Include="..\src\compiler\gravity_semacheck2.h" />
+    <ClInclude Include="..\src\compiler\gravity_symboltable.h" />
+    <ClInclude Include="..\src\compiler\gravity_token.h" />
+    <ClInclude Include="..\src\compiler\gravity_visitor.h" />
+    <ClInclude Include="..\src\runtime\gravity_core.h" />
+    <ClInclude Include="..\src\runtime\gravity_vm.h" />
+    <ClInclude Include="..\src\runtime\gravity_vmmacros.h" />
+    <ClInclude Include="..\src\shared\gravity_array.h" />
+    <ClInclude Include="..\src\shared\gravity_delegate.h" />
+    <ClInclude Include="..\src\shared\gravity_hash.h" />
+    <ClInclude Include="..\src\shared\gravity_macros.h" />
+    <ClInclude Include="..\src\shared\gravity_memory.h" />
+    <ClInclude Include="..\src\shared\gravity_opcodes.h" />
+    <ClInclude Include="..\src\shared\gravity_value.h" />
+    <ClInclude Include="..\src\utils\gravity_debug.h" />
+    <ClInclude Include="..\src\utils\gravity_json.h" />
+    <ClInclude Include="..\src\utils\gravity_utils.h" />
+    <ClInclude Include="unistd.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\compiler\gravity_ast.c" />
+    <ClCompile Include="..\src\compiler\gravity_codegen.c" />
+    <ClCompile Include="..\src\compiler\gravity_compiler.c" />
+    <ClCompile Include="..\src\compiler\gravity_ircode.c" />
+    <ClCompile Include="..\src\compiler\gravity_lexer.c" />
+    <ClCompile Include="..\src\compiler\gravity_optimizer.c" />
+    <ClCompile Include="..\src\compiler\gravity_parser.c" />
+    <ClCompile Include="..\src\compiler\gravity_semacheck1.c" />
+    <ClCompile Include="..\src\compiler\gravity_semacheck2.c" />
+    <ClCompile Include="..\src\compiler\gravity_symboltable.c" />
+    <ClCompile Include="..\src\compiler\gravity_token.c" />
+    <ClCompile Include="..\src\compiler\gravity_visitor.c" />
+    <ClCompile Include="..\src\runtime\gravity_core.c" />
+    <ClCompile Include="..\src\runtime\gravity_vm.c" />
+    <ClCompile Include="..\src\shared\gravity_hash.c" />
+    <ClCompile Include="..\src\shared\gravity_memory.c" />
+    <ClCompile Include="..\src\shared\gravity_value.c" />
+    <ClCompile Include="..\src\utils\gravity_debug.c" />
+    <ClCompile Include="..\src\utils\gravity_json.c" />
+    <ClCompile Include="..\src\utils\gravity_utils.c" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

gravity/gravity.vcxproj.filters

@@ -0,0 +1,186 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="Header Files\compiler">
+      <UniqueIdentifier>{158e852c-c324-4fb2-ba62-8a1cc81a0a61}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\runtime">
+      <UniqueIdentifier>{f0f35521-f187-4974-8994-ae203399dbed}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\shared">
+      <UniqueIdentifier>{73b01cf7-37d3-4943-b47f-8be815d40b1c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\utils">
+      <UniqueIdentifier>{84ed3700-7c69-47b8-9594-2c316e56cd7b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files\compiler">
+      <UniqueIdentifier>{9127d843-fc30-4a48-99d1-704175dab5b8}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files\utils">
+      <UniqueIdentifier>{b8cf1350-23a5-428d-979a-a1a98451c0c7}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files\shared">
+      <UniqueIdentifier>{cc2aae20-631b-43b2-b5a5-ddb653997cea}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files\runtime">
+      <UniqueIdentifier>{f749a6f3-c597-4f03-84cd-f658262caebd}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\compiler\debug_macros.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_ast.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_codegen.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_compiler.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_ircode.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_lexer.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_optimizer.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_parser.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_semacheck1.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_semacheck2.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_symboltable.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_token.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\compiler\gravity_visitor.h">
+      <Filter>Header Files\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\utils\gravity_debug.h">
+      <Filter>Header Files\utils</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\utils\gravity_json.h">
+      <Filter>Header Files\utils</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\utils\gravity_utils.h">
+      <Filter>Header Files\utils</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_array.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_delegate.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_hash.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_macros.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_memory.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_opcodes.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\shared\gravity_value.h">
+      <Filter>Header Files\shared</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\runtime\gravity_core.h">
+      <Filter>Header Files\runtime</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\runtime\gravity_vm.h">
+      <Filter>Header Files\runtime</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\runtime\gravity_vmmacros.h">
+      <Filter>Header Files\runtime</Filter>
+    </ClInclude>
+    <ClInclude Include="unistd.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\compiler\gravity_ast.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_codegen.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_compiler.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_ircode.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_lexer.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_optimizer.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_parser.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_semacheck1.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_semacheck2.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_symboltable.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_token.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\compiler\gravity_visitor.c">
+      <Filter>Source Files\compiler</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\utils\gravity_debug.c">
+      <Filter>Source Files\utils</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\utils\gravity_json.c">
+      <Filter>Source Files\utils</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\utils\gravity_utils.c">
+      <Filter>Source Files\utils</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\shared\gravity_hash.c">
+      <Filter>Source Files\shared</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\shared\gravity_memory.c">
+      <Filter>Source Files\shared</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\shared\gravity_value.c">
+      <Filter>Source Files\shared</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\runtime\gravity_core.c">
+      <Filter>Source Files\runtime</Filter>
+    </ClCompile>
+    <ClCompile Include="..\src\runtime\gravity_vm.c">
+      <Filter>Source Files\runtime</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

gravity/unistd.h

@@ -0,0 +1,11 @@
+#pragma once
+#pragma comment(lib, "Shlwapi.lib")
+
+#include <basetsd.h>
+#include <io.h>
+#include <stdio.h>
+
+#define bzero(b, len) memset((b), 0, (len))
+
+typedef SSIZE_T ssize_t;
+typedef int mode_t;

src/compiler/gravity_ast.c

@@ -265,9 +265,9 @@ bool gnode_is_equal (gnode_t *node1, gnode_t *node2) {
 		gnode_literal_expr_t *e2 = (gnode_literal_expr_t *)node2;
 		if (e1->type != e2->type) return false;
 		// LITERAL_STRING, LITERAL_FLOAT, LITERAL_INT, LITERAL_BOOL
-		if (e1->type == LITERAL_BOOL) return (e1->value.n64 == e1->value.n64);
-		if (e1->type == LITERAL_INT) return (e1->value.n64 == e1->value.n64);
-		if (e1->type == LITERAL_FLOAT) return (e1->value.d == e1->value.d);
+		if (e1->type == LITERAL_BOOL) return (e1->value.n64 == e2->value.n64);
+		if (e1->type == LITERAL_INT) return (e1->value.n64 == e2->value.n64);
+		if (e1->type == LITERAL_FLOAT) return (e1->value.d == e2->value.d);
 		if (e1->type == LITERAL_STRING) return (strcmp(e1->value.str, e2->value.str)==0);
 	}
 	return false;

src/runtime/gravity_vm.c

@@ -343,13 +343,14 @@ static bool gravity_vm_exec (gravity_vm *vm) {
 					} break;
 						
 					case EXEC_TYPE_INTERNAL: {
-						SETVALUE(r1, VALUE_FROM_NULL);
+						// backup register r1 because it can be overwrite to return a closure
+						gravity_value_t r1copy = STACK_GET(r1);
 						if (!closure->f->internal(vm, &stackstart[rwin], 2, r1)) {
 							
 							// check for special getter trick
 							if (VALUE_ISA_CLOSURE(STACK_GET(r1))) {
 								closure = VALUE_AS_CLOSURE(STACK_GET(r1));
-								SETVALUE(r1, VALUE_FROM_NULL);
+								SETVALUE(r1, r1copy);
 								goto execute_load_function;
 							}
 							
@@ -470,12 +471,13 @@ static bool gravity_vm_exec (gravity_vm *vm) {
 					} break;
 						
 					case EXEC_TYPE_INTERNAL: {
-						SETVALUE(r1, VALUE_FROM_NULL);
+						// backup register r1 because it can be overwrite to return a closure
+						gravity_value_t r1copy = STACK_GET(r1);
 						if (!closure->f->internal(vm, &stackstart[rwin], 2, r1)) {
 							// check for special getter trick
 							if (VALUE_ISA_CLOSURE(STACK_GET(r1))) {
 								closure = VALUE_AS_CLOSURE(STACK_GET(r1));
-								SETVALUE(r1, VALUE_FROM_NULL);
+								SETVALUE(r1, r1copy);
 								goto execute_store_function;
 							}
 							
@@ -1021,12 +1023,13 @@ static bool gravity_vm_exec (gravity_vm *vm) {
 					} break;
 						
 					case EXEC_TYPE_INTERNAL: {
-						SETVALUE(r1, VALUE_FROM_NULL);
+						// backup register r1 because it can be overwrite to return a closure
+						gravity_value_t r1copy = STACK_GET(r1);
 						if (!closure->f->internal(vm, &stackstart[rwin], r3, r1)) {
 							// check for special getter trick
 							if (VALUE_ISA_CLOSURE(STACK_GET(r1))) {
 								closure = VALUE_AS_CLOSURE(STACK_GET(r1));
-								SETVALUE(r1, VALUE_FROM_NULL);
+								SETVALUE(r1, r1copy);
 								goto execute_call_function;
 							}
 							

src/utils/gravity_utils.c

@@ -220,11 +220,11 @@ DIRREF directory_init (const char *dirpath) {
 	MultiByteToWideChar(CP_UTF8, 0, dirpath, -1, dirpathW, MAX_PATH);
 	
 	// in this way I can be sure that the first file returned (and lost) is .
-	PathCombine(path, dirpathW, _T("*"));
+	PathCombineW(path, dirpathW, _T("*"));
 	
 	// if the path points to a symbolic link, the WIN32_FIND_DATA buffer contains
 	// information about the symbolic link, not the target
-	return FindFirstFile(path, &findData);
+	return FindFirstFileW(path, &findData);
 	#else
 	return opendir(dirpath);
 	#endif
@@ -236,6 +236,8 @@ const char *directory_read (DIRREF ref) {
 	while (1) {
 		#ifdef WIN32
 		WIN32_FIND_DATA findData;
+		const char 			*file_name;
+		
 		if (FindNextFile(ref, &findData) == 0) {
 			FindClose(ref);
 			return NULL;
@@ -243,7 +245,11 @@ const char *directory_read (DIRREF ref) {
 		if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) continue;
 		if (findData.cFileName == NULL) continue;
 		if (findData.cFileName[0] == '.') continue;
-		return (const char *)findData.cFileName;
+
+		file_name = malloc(MAX_PATH);
+		strncpy(file_name, findData.cFileName, MAX_PATH);
+
+		return (const char *)file_name;
 		#else
 		struct dirent *d;
 		if ((d = readdir(ref)) == NULL) {