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Add initial Emscripten generator. (mono#1712)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -6,7 +6,9 @@ namespace CppSharp | |
| enum TargetArchitecture | ||
| { | ||
| x86, | ||
| x64 | ||
| x64, | ||
| WASM32, | ||
| WASM64 | ||
| } | ||
|
|
||
| class Options | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -14,6 +14,7 @@ public enum GeneratorKind | |
| CSharp = 2, | ||
| C, | ||
| CPlusPlus, | ||
| Emscripten, | ||
| ObjectiveC, | ||
| Java, | ||
| Swift, | ||
|
|
||
73 changes: 73 additions & 0 deletions
73
src/Generator/Generators/Emscripten/EmscriptenGenerator.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using CppSharp.AST; | ||
| using CppSharp.Generators.Cpp; | ||
|
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| namespace CppSharp.Generators.Emscripten | ||
| { | ||
| /// <summary> | ||
| /// Emscripten generator responsible for driving the generation of binding files. | ||
| /// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html | ||
| /// </summary> | ||
| public class EmscriptenGenerator : CppGenerator | ||
| { | ||
| public EmscriptenGenerator(BindingContext context) : base(context) | ||
| { | ||
| } | ||
|
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| public override List<GeneratorOutput> Generate() | ||
| { | ||
| var outputs = base.Generate(); | ||
|
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| foreach (var module in Context.Options.Modules) | ||
| { | ||
| if (module == Context.Options.SystemModule) | ||
| continue; | ||
|
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| var output = GenerateModule(module); | ||
| if (output != null) | ||
| { | ||
| OnUnitGenerated(output); | ||
| outputs.Add(output); | ||
| } | ||
| } | ||
|
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| return outputs; | ||
| } | ||
|
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| public override List<CodeGenerator> Generate(IEnumerable<TranslationUnit> units) | ||
| { | ||
| var outputs = new List<CodeGenerator>(); | ||
|
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| var header = new EmscriptenHeaders(Context, units); | ||
| outputs.Add(header); | ||
|
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| var source = new EmscriptenSources(Context, units); | ||
| outputs.Add(source); | ||
|
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| return outputs; | ||
| } | ||
|
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| public override GeneratorOutput GenerateModule(Module module) | ||
| { | ||
| if (module == Context.Options.SystemModule) | ||
| return null; | ||
|
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| var moduleGen = new EmscriptenModule(Context, module); | ||
|
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| var output = new GeneratorOutput | ||
| { | ||
| TranslationUnit = new TranslationUnit | ||
| { | ||
| FilePath = $"{module.LibraryName}_embind_module.cpp", | ||
| Module = module | ||
| }, | ||
| Outputs = new List<CodeGenerator> { moduleGen } | ||
| }; | ||
|
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| output.Outputs[0].Process(); | ||
|
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| return output; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| using System.Collections.Generic; | ||
| using CppSharp.AST; | ||
|
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| namespace CppSharp.Generators.Emscripten | ||
| { | ||
| /// <summary> | ||
| /// Generates Emscripten Embind C/C++ header files. | ||
| /// Embind documentation: https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html | ||
| /// </summary> | ||
| public class EmscriptenHeaders : EmscriptenCodeGenerator | ||
| { | ||
| public EmscriptenHeaders(BindingContext context, IEnumerable<TranslationUnit> units) | ||
| : base(context, units) | ||
| { | ||
| CTypePrinter.PushContext(TypePrinterContextKind.Managed); | ||
| } | ||
|
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| //public override bool ShouldGenerateNamespaces => false; | ||
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| public override void Process() | ||
| { | ||
| GenerateFilePreamble(CommentKind.BCPL); | ||
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| PushBlock(BlockKind.Includes); | ||
| WriteLine("#pragma once"); | ||
| NewLine(); | ||
| PopBlock(); | ||
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| var name = GetTranslationUnitName(TranslationUnit); | ||
| WriteLine($"extern \"C\" void embind_init_{name}();"); | ||
| } | ||
|
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| public override bool VisitClassDecl(Class @class) | ||
| { | ||
| return true; | ||
| } | ||
|
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| public override bool VisitEvent(Event @event) | ||
| { | ||
| return true; | ||
| } | ||
|
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| public override bool VisitFieldDecl(Field field) | ||
| { | ||
| return true; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| using CppSharp.Generators.C; | ||
|
|
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| namespace CppSharp.Generators.Emscripten | ||
| { | ||
| public class EmscriptenMarshalNativeToManagedPrinter : MarshalPrinter<MarshalContext, CppTypePrinter> | ||
| { | ||
| public EmscriptenMarshalNativeToManagedPrinter(MarshalContext marshalContext) | ||
| : base(marshalContext) | ||
| { | ||
| } | ||
| } | ||
|
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| public class EmscriptenMarshalManagedToNativePrinter : MarshalPrinter<MarshalContext, CppTypePrinter> | ||
| { | ||
| public EmscriptenMarshalManagedToNativePrinter(MarshalContext ctx) | ||
| : base(ctx) | ||
| { | ||
| Context.MarshalToNative = this; | ||
| } | ||
| } | ||
| } |
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