mirror of https://github.com/mono/CppSharp.git
João Matos
2 years ago
committed by
GitHub
21 changed files with 719 additions and 33 deletions
@ -0,0 +1,73 @@
@@ -0,0 +1,73 @@
|
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using System.Collections.Generic; |
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using System.Linq; |
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using CppSharp.AST; |
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using CppSharp.Generators.Cpp; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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/// <summary>
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/// Emscripten generator responsible for driving the generation of binding files.
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/// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html
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/// </summary>
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public class EmscriptenGenerator : CppGenerator |
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{ |
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public EmscriptenGenerator(BindingContext context) : base(context) |
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{ |
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} |
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public override List<GeneratorOutput> Generate() |
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{ |
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var outputs = base.Generate(); |
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foreach (var module in Context.Options.Modules) |
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{ |
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if (module == Context.Options.SystemModule) |
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continue; |
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var output = GenerateModule(module); |
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if (output != null) |
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{ |
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OnUnitGenerated(output); |
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outputs.Add(output); |
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} |
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} |
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return outputs; |
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} |
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public override List<CodeGenerator> Generate(IEnumerable<TranslationUnit> units) |
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{ |
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var outputs = new List<CodeGenerator>(); |
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var header = new EmscriptenHeaders(Context, units); |
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outputs.Add(header); |
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var source = new EmscriptenSources(Context, units); |
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outputs.Add(source); |
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return outputs; |
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} |
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public override GeneratorOutput GenerateModule(Module module) |
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{ |
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if (module == Context.Options.SystemModule) |
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return null; |
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var moduleGen = new EmscriptenModule(Context, module); |
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var output = new GeneratorOutput |
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{ |
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TranslationUnit = new TranslationUnit |
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{ |
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FilePath = $"{module.LibraryName}_embind_module.cpp", |
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Module = module |
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}, |
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Outputs = new List<CodeGenerator> { moduleGen } |
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}; |
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output.Outputs[0].Process(); |
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return output; |
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} |
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} |
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} |
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@ -0,0 +1,48 @@
@@ -0,0 +1,48 @@
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using System.Collections.Generic; |
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using CppSharp.AST; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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/// <summary>
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/// Generates Emscripten Embind C/C++ header files.
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/// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html
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/// </summary>
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public class EmscriptenHeaders : EmscriptenCodeGenerator |
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{ |
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public EmscriptenHeaders(BindingContext context, IEnumerable<TranslationUnit> units) |
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: base(context, units) |
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{ |
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CTypePrinter.PushContext(TypePrinterContextKind.Managed); |
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} |
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//public override bool ShouldGenerateNamespaces => false;
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public override void Process() |
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{ |
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GenerateFilePreamble(CommentKind.BCPL); |
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PushBlock(BlockKind.Includes); |
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WriteLine("#pragma once"); |
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NewLine(); |
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PopBlock(); |
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var name = GetTranslationUnitName(TranslationUnit); |
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WriteLine($"extern \"C\" void embind_init_{name}();"); |
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} |
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public override bool VisitClassDecl(Class @class) |
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{ |
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return true; |
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} |
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public override bool VisitEvent(Event @event) |
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{ |
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return true; |
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} |
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public override bool VisitFieldDecl(Field field) |
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{ |
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return true; |
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} |
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} |
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} |
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@ -0,0 +1,21 @@
@@ -0,0 +1,21 @@
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using CppSharp.Generators.C; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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public class EmscriptenMarshalNativeToManagedPrinter : MarshalPrinter<MarshalContext, CppTypePrinter> |
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{ |
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public EmscriptenMarshalNativeToManagedPrinter(MarshalContext marshalContext) |
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: base(marshalContext) |
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{ |
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} |
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} |
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public class EmscriptenMarshalManagedToNativePrinter : MarshalPrinter<MarshalContext, CppTypePrinter> |
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{ |
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public EmscriptenMarshalManagedToNativePrinter(MarshalContext ctx) |
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: base(ctx) |
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{ |
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Context.MarshalToNative = this; |
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} |
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} |
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} |
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@ -0,0 +1,89 @@
@@ -0,0 +1,89 @@
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using System.IO; |
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using System.Linq; |
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using CppSharp.AST; |
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using CppSharp.Generators.C; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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/// <summary>
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/// Generates Emscripten module init files.
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/// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html
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/// </summary>
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public class EmscriptenModule : EmscriptenCodeGenerator |
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{ |
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private readonly Module module; |
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public EmscriptenModule(BindingContext context, Module module) |
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: base(context, module.Units.GetGenerated()) |
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{ |
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this.module = module; |
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} |
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public override string FileExtension { get; } = "cpp"; |
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public override void Process() |
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{ |
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GenerateFilePreamble(CommentKind.BCPL); |
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NewLine(); |
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PushBlock(BlockKind.Includes); |
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{ |
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WriteInclude(new CInclude() |
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{ |
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File = "emscripten/bind.h", |
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Kind = CInclude.IncludeKind.Angled |
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}); |
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foreach (var unit in TranslationUnits) |
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WriteInclude(GetIncludeFileName(Context, unit), CInclude.IncludeKind.Quoted); |
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} |
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PopBlock(NewLineKind.Always); |
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WriteLine("extern \"C\" {"); |
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NewLine(); |
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PushBlock(BlockKind.ForwardReferences); |
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{ |
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foreach (var unit in TranslationUnits.Where(unit => unit.IsGenerated)) |
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{ |
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var name = GetTranslationUnitName(unit); |
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WriteLine($"void embind_init_{name}();"); |
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} |
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} |
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PopBlock(NewLineKind.Always); |
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var moduleName = module.LibraryName; |
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WriteLine($"void embind_init_{moduleName}()"); |
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WriteOpenBraceAndIndent(); |
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foreach (var unit in TranslationUnits) |
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{ |
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var name = GetTranslationUnitName(unit); |
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WriteLine($"embind_init_{name}();"); |
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} |
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UnindentAndWriteCloseBrace(); |
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NewLine(); |
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WriteLine("}"); |
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NewLine(); |
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WriteLine($"static struct EmBindInit_{moduleName} : emscripten::internal::InitFunc {{"); |
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WriteLineIndent($"EmBindInit_{moduleName}() : InitFunc(embind_init_{moduleName}) {{}}"); |
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WriteLine($"}} EmBindInit_{moduleName}_instance;"); |
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} |
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public static string GetIncludeFileName(BindingContext context, TranslationUnit unit) |
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{ |
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// TODO: Replace with GetIncludePath
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string file; |
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if (context.Options.GenerateName != null) |
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file = context.Options.GenerateName(unit); |
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else |
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file = Path.GetFileNameWithoutExtension(unit.FileName) |
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.Replace('\\', '/'); |
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return $"{file}.h"; |
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} |
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} |
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} |
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@ -0,0 +1,202 @@
@@ -0,0 +1,202 @@
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using CppSharp.AST; |
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using CppSharp.AST.Extensions; |
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using CppSharp.Generators.C; |
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using CppSharp.Generators.Cpp; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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public class EmscriptenCodeGenerator : MethodGroupCodeGenerator |
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{ |
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protected EmscriptenCodeGenerator(BindingContext context, IEnumerable<TranslationUnit> units) |
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: base(context, units) |
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{ |
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} |
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public virtual MarshalPrinter<MarshalContext, CppTypePrinter> GetMarshalManagedToNativePrinter(MarshalContext ctx) |
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{ |
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return new EmscriptenMarshalManagedToNativePrinter(ctx); |
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} |
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public virtual MarshalPrinter<MarshalContext, CppTypePrinter> GetMarshalNativeToManagedPrinter(MarshalContext ctx) |
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{ |
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return new EmscriptenMarshalNativeToManagedPrinter(ctx); |
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} |
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public override bool VisitClassTemplateDecl(ClassTemplate template) |
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{ |
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return true; |
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} |
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public override bool VisitFunctionTemplateDecl(FunctionTemplate template) |
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{ |
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return true; |
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} |
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} |
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/// <summary>
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/// Generates Emscripten C/C++ source files.
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/// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html
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/// </summary>
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public class EmscriptenSources : EmscriptenCodeGenerator |
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{ |
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public override string FileExtension => "cpp"; |
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public EmscriptenSources(BindingContext context, IEnumerable<TranslationUnit> units) |
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: base(context, units) |
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{ |
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} |
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public override void Process() |
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{ |
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GenerateFilePreamble(CommentKind.BCPL); |
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PushBlock(BlockKind.Includes); |
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{ |
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WriteInclude(new CInclude() |
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{ |
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File = "emscripten/bind.h", |
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Kind = CInclude.IncludeKind.Angled |
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}); |
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foreach (var unit in TranslationUnits) |
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{ |
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WriteInclude(unit.IncludePath, CInclude.IncludeKind.Angled); |
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} |
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} |
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PopBlock(NewLineKind.Always); |
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var name = GetTranslationUnitName(TranslationUnit); |
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WriteLine($"extern \"C\" void embind_init_{name}()"); |
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WriteOpenBraceAndIndent(); |
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VisitNamespace(TranslationUnit); |
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UnindentAndWriteCloseBrace(); |
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} |
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public override bool VisitClassDecl(Class @class) |
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{ |
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if (@class.IsIncomplete) |
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return true; |
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PushBlock(); |
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Write($"emscripten::class_<{@class.QualifiedOriginalName}"); |
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if (@class.HasBaseClass) |
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Write($", emscripten::base<{@class.BaseClass.QualifiedOriginalName}>"); |
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WriteLine($">(\"{@class.Name}\")"); |
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VisitClassDeclContext(@class); |
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WriteLineIndent(";"); |
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PopBlock(NewLineKind.BeforeNextBlock); |
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return true; |
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} |
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public override void VisitClassConstructors(IEnumerable<Method> ctors) |
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{ |
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var overloadCheck = new HashSet<int>(); |
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foreach (var ctor in ctors) |
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{ |
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if (overloadCheck.Contains(ctor.Parameters.Count)) |
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{ |
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Console.WriteLine($"Ignoring overloaded ctor: {ctor.QualifiedOriginalName}"); |
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continue; |
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} |
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var cppTypePrinter = new CppTypePrinter(Context) |
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{ |
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PrintFlavorKind = CppTypePrintFlavorKind.Cpp |
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}; |
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cppTypePrinter.PushContext(TypePrinterContextKind.Native); |
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var parameters = ctor.Parameters.Select(p => p.Type.Visit(cppTypePrinter).Type); |
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WriteLineIndent($".constructor<{string.Join(", ", parameters)}>()"); |
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overloadCheck.Add(ctor.Parameters.Count); |
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} |
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} |
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public override bool VisitMethodDecl(Method method) |
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{ |
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Indent(); |
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var ret = VisitFunctionDecl(method); |
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Unindent(); |
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return ret; |
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} |
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public override bool VisitFieldDecl(Field field) |
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{ |
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WriteLineIndent($".field(\"{field.Name}\", &{field.Class.QualifiedOriginalName}::{field.OriginalName})"); |
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return true; |
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} |
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public override void GenerateMethodGroup(List<Method> @group) |
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{ |
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if (@group.Count > 1) |
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{ |
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Console.WriteLine($"Ignoring method group: {@group.First().QualifiedOriginalName}"); |
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return; |
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} |
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base.GenerateMethodGroup(@group); |
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} |
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public override void GenerateFunctionGroup(List<Function> @group) |
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{ |
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if (@group.Count > 1) |
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{ |
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Console.WriteLine($"Ignoring function group: {@group.First().QualifiedOriginalName}"); |
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return; |
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} |
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base.GenerateFunctionGroup(@group); |
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} |
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public override void VisitDeclContextFunctions(DeclarationContext context) |
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{ |
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PushBlock(); |
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base.VisitDeclContextFunctions(context); |
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PopBlock(NewLineKind.BeforeNextBlock); |
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} |
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public override bool VisitFunctionDecl(Function function) |
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{ |
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var prefix = function is Method ? ".function" : "emscripten::function"; |
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Write($"{prefix}(\"{function.Name}\", &{function.QualifiedOriginalName}"); |
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var hasPointers = function.ReturnType.Type.IsPointer() || |
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function.Parameters.Any(p => p.Type.IsPointer()); |
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if (hasPointers) |
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Write(", emscripten::allow_raw_pointers()"); |
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WriteLine(function is not Method ? ");" : $")"); |
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return true; |
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} |
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public override bool VisitEnumDecl(Enumeration @enum) |
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{ |
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if (@enum.IsIncomplete) |
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return false; |
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PushBlock(); |
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WriteLine($"emscripten::enum_<{@enum.Name}>(\"{@enum.QualifiedOriginalName}\")"); |
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foreach (var item in @enum.Items) |
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{ |
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WriteLineIndent(@enum.IsScoped |
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? $".value(\"{item.Name}\", {@enum.QualifiedOriginalName}::{item.OriginalName})" |
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: $".value(\"{item.Name}\", {item.QualifiedOriginalName})"); |
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} |
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WriteLineIndent(";"); |
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PopBlock(NewLineKind.BeforeNextBlock); |
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return true; |
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} |
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public override bool VisitTypedefDecl(TypedefDecl typedef) |
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{ |
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return true; |
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} |
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} |
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} |
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@ -0,0 +1,11 @@
@@ -0,0 +1,11 @@
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using CppSharp.Generators.C; |
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namespace CppSharp.Generators.Emscripten |
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{ |
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public class EmscriptenTypePrinter : CppTypePrinter |
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{ |
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public EmscriptenTypePrinter(BindingContext context) : base(context) |
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{ |
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} |
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} |
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} |
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@ -0,0 +1,4 @@
@@ -0,0 +1,4 @@
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gen |
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*.so |
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*.dylib |
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*.dll |
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@ -0,0 +1,21 @@
@@ -0,0 +1,21 @@
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workspace "emscripten" |
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configurations { "debug", "release" } |
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location "gen" |
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symbols "On" |
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optimize "Off" |
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project "test" |
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kind "SharedLib" |
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language "C++" |
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files |
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{ |
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"gen/**.cpp", |
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} |
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includedirs |
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{ |
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"..", |
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"../../include" |
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} |
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linkoptions { "--bind -sENVIRONMENT=node -sMODULARIZE=1 -sEXPORT_ALL -sEXPORT_ES6=1 -sUSE_ES6_IMPORT_META=1" } |
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targetextension ".mjs" |
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@ -0,0 +1,114 @@
@@ -0,0 +1,114 @@
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import wasmModule from "./gen/bin/debug/libtest.mjs"; |
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import { eq, ascii, floateq } from "./utils.mjs" |
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const test = await wasmModule({ |
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onRuntimeInitialized() { |
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} |
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}); |
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function builtins() { |
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eq(test.ReturnsVoid(), undefined) |
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eq(test.ReturnsBool(), true) |
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eq(test.PassAndReturnsBool(false), false) |
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eq(test.ReturnsNullptr(), null) |
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eq(test.PassAndReturnsNullptr(null), null) |
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eq(test.ReturnsChar(), ascii('a')); |
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eq(test.ReturnsSChar(), ascii('a')); |
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eq(test.ReturnsUChar(), ascii('a')); |
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eq(test.PassAndReturnsChar(ascii('a')), ascii('a')); |
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eq(test.PassAndReturnsSChar(ascii('b')), ascii('b')); |
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eq(test.PassAndReturnsUChar(ascii('c')), ascii('c')); |
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// TODO: add wchar_t tests
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eq(test.ReturnsFloat(), 5.0); |
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eq(test.ReturnsDouble(), -5.0); |
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//eq(test.ReturnsLongDouble(), -5.0);
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floateq(test.PassAndReturnsFloat(1.32), 1.32); |
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floateq(test.PassAndReturnsDouble(1.32), 1.32); |
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//float(test.PassAndReturnsLongDouble(1.32), 1.32);
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eq(test.ReturnsInt8(), -5); |
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eq(test.ReturnsUInt8(), 5); |
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eq(test.ReturnsInt16(), -5); |
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eq(test.ReturnsUInt16(), 5); |
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eq(test.ReturnsInt32(), -5); |
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eq(test.ReturnsUInt32(), 5); |
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// TODO:
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// https://github.com/WebAssembly/proposals/issues/7
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// https://github.com/emscripten-core/emscripten/issues/11140
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//eq(test.ReturnsInt64(), -5n);
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//eq(test.ReturnsUInt64(), 5n);
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const int8 = { min: -(2 ** 7), max: (2 ** 7) - 1 }; |
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eq(test.PassAndReturnsInt8(int8.min), int8.min); |
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eq(test.PassAndReturnsInt8(int8.max), int8.max); |
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const uint8 = { min: 0, max: (2 ** 8) - 1 }; |
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eq(test.PassAndReturnsUInt8(uint8.min), uint8.min); |
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eq(test.PassAndReturnsUInt8(uint8.max), uint8.max); |
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const int16 = { min: -(2 ** 15), max: (2 ** 15) - 1 }; |
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eq(test.PassAndReturnsInt16(int16.min), int16.min); |
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eq(test.PassAndReturnsInt16(int16.max), int16.max); |
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const uint16 = { min: 0, max: (2 ** 16) - 1 }; |
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eq(test.PassAndReturnsUInt16(uint16.min), uint16.min); |
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eq(test.PassAndReturnsUInt16(uint16.max), uint16.max); |
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const int32 = { min: -(2 ** 31), max: (2 ** 31) - 1 }; |
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eq(test.PassAndReturnsInt32(int32.min), int32.min); |
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eq(test.PassAndReturnsInt32(int32.max), int32.max); |
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const uint32 = { min: 0, max: (2 ** 32) - 1 }; |
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eq(test.PassAndReturnsUInt32(uint32.min), uint32.min); |
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eq(test.PassAndReturnsUInt32(uint32.max), uint32.max); |
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//const int64 = { min: BigInt(2 ** 63) * -1n, max: BigInt(2 ** 63) - 1n };
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//eq(test.PassAndReturnsInt64(int64.min), int64.min);
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//eq(test.PassAndReturnsInt64(int64.max), int64.max);
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//const uint64 = { min: BigInt(0), max: BigInt(2 ** 64) - 1n };
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//eq(test.PassAndReturnsUInt64(uint64.min), uint64.min);
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//eq(test.PassAndReturnsUInt64(uint64.max), uint64.max);
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} |
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function enums() { |
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eq(test.Enum0.Item0.value, 0); |
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eq(test.Enum0.Item1.value, 1); |
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eq(test.Enum0.Item2.value, 5); |
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eq(test.ReturnsEnum(), test.Enum0.Item0); |
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eq(test.PassAndReturnsEnum(test.Enum0.Item1), test.Enum0.Item1); |
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} |
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|
||||
function classes() { |
||||
var c = new test.Class(); |
||||
eq(typeof (c), "object") |
||||
eq(c.ReturnsVoid(), undefined) |
||||
eq(c.ReturnsInt(), 0) |
||||
eq(c.PassAndReturnsClassPtr(null), null) |
||||
|
||||
var c1 = new test.ClassWithSingleInheritance(); |
||||
eq(c1.__proto__.constructor.name, 'ClassWithSingleInheritance') |
||||
eq(c1.__proto__.__proto__.constructor.name, 'Class') |
||||
eq(c1.ReturnsVoid(), undefined); |
||||
eq(c1.ReturnsInt(), 0); |
||||
eq(c1.ChildMethod(), 2); |
||||
|
||||
var classWithField = new test.ClassWithField(); |
||||
eq(classWithField.ReturnsField(), 10); |
||||
eq(classWithField.Field, 10); |
||||
} |
||||
|
||||
|
||||
builtins(); |
||||
enums(); |
||||
classes(); |
||||
@ -0,0 +1,30 @@
@@ -0,0 +1,30 @@
|
||||
#!/usr/bin/env bash |
||||
set -e |
||||
dir=$(cd "$(dirname "$0")"; pwd) |
||||
rootdir="$dir/../.." |
||||
dotnet_configuration=Release |
||||
configuration=debug |
||||
platform=x64 |
||||
jsinterp=node |
||||
|
||||
red=`tput setaf 1` |
||||
green=`tput setaf 2` |
||||
reset=`tput sgr0` |
||||
|
||||
generate=true |
||||
|
||||
if [ $generate = true ]; then |
||||
echo "${green}Generating bindings${reset}" |
||||
dotnet $rootdir/bin/${dotnet_configuration}_${platform}/CppSharp.CLI.dll \ |
||||
--gen=emscripten --platform=emscripten --arch=wasm32 \ |
||||
-I$dir/.. -I$rootdir/include -o $dir/gen -m tests $dir/../*.h |
||||
fi |
||||
|
||||
echo "${green}Building generated binding files${reset}" |
||||
premake=$rootdir/build/premake.sh |
||||
config=$configuration $premake --file=$dir/premake5.lua gmake |
||||
emmake make -C $dir/gen |
||||
echo |
||||
|
||||
echo "${green}Executing JS tests with Node${reset}" |
||||
$jsinterp $dir/test.mjs |
||||
@ -0,0 +1,21 @@
@@ -0,0 +1,21 @@
|
||||
export function assert(actual, expected, message) { |
||||
if (arguments.length == 1) |
||||
expected = true; |
||||
|
||||
if (actual === expected) |
||||
return; |
||||
|
||||
if (actual !== null && expected !== null |
||||
&& typeof actual == 'object' && typeof expected == 'object' |
||||
&& actual.toString() === expected.toString()) |
||||
return; |
||||
|
||||
throw Error("assertion failed: got |" + actual + "|" + |
||||
", expected |" + expected + "|" + |
||||
(message ? " (" + message + ")" : "")); |
||||
} |
||||
|
||||
export const eq = assert; |
||||
export const floateq = (actual, expected) => { assert(Math.abs(actual - expected) < 0.01) } |
||||
|
||||
export const ascii = v => v.charCodeAt(0) |
||||
Loading…
Reference in new issue