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Pulled out IAssemblyGenerator and moved more logic to JasperFx from J…
…asperFx.RuntimeCompiler. Closes GH-17
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4 changes: 1 addition & 3 deletions
4
...eCompiler/ExpectedTypeMissingException.cs → ...eneration/ExpectedTypeMissingException.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| using System.Reflection; | ||
| using JasperFx.CodeGeneration.Model; | ||
|
|
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| namespace JasperFx.CodeGeneration; | ||
|
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| public interface IAssemblyGenerator | ||
| { | ||
| string AssemblyName { get; set; } | ||
| string Code { get; } | ||
|
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| /// <summary> | ||
| /// Tells Roslyn to reference the given assembly and any of its dependencies | ||
| /// when compiling code | ||
| /// </summary> | ||
| /// <param name="assembly"></param> | ||
| void ReferenceAssembly(Assembly assembly); | ||
|
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| /// <summary> | ||
| /// Reference the assembly containing the type "T" | ||
| /// </summary> | ||
| /// <typeparam name="T"></typeparam> | ||
| void ReferenceAssemblyContainingType<T>(); | ||
|
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| /// <summary> | ||
| /// Compile code built up by using an ISourceWriter to a new assembly in memory | ||
| /// </summary> | ||
| /// <param name="write"></param> | ||
| /// <returns></returns> | ||
| Assembly Generate(Action<ISourceWriter> write); | ||
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| /// <summary> | ||
| /// Compile the code passed into this method to a new assembly in memory | ||
| /// </summary> | ||
| /// <param name="code"></param> | ||
| /// <returns></returns> | ||
| /// <exception cref="InvalidOperationException"></exception> | ||
| Assembly Generate(string code); | ||
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| void Compile(GeneratedAssembly generatedAssembly, IServiceVariableSource services = null); | ||
| } |
101 changes: 101 additions & 0 deletions
101
src/JasperFx/Events/CodeGeneration/NewGeneratedProjection.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| using System.Reflection; | ||
| using JasperFx.CodeGeneration; | ||
| using JasperFx.Core.Reflection; | ||
|
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| namespace JasperFx.Events.CodeGeneration; | ||
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| /* | ||
| public abstract class NewGeneratedProjection<TOperations, TStore, TDatabase, TOptions> : ICodeFile | ||
| { | ||
| private readonly Type _projectionType; | ||
| private bool _hasGenerated; | ||
| public NewGeneratedProjection(Type projectionType) | ||
| { | ||
| _projectionType = projectionType; | ||
| } | ||
| internal TOptions StoreOptions { get; set; } | ||
| bool ICodeFile.AttachTypesSynchronously(GenerationRules rules, Assembly assembly, IServiceProvider services, | ||
| string containingNamespace) | ||
| { | ||
| return tryAttachTypes(assembly, StoreOptions); | ||
| } | ||
| public string FileName => GetType().ToSuffixedTypeName("RuntimeSupport"); | ||
| void ICodeFile.AssembleTypes(GeneratedAssembly assembly) | ||
| { | ||
| if (_hasGenerated) | ||
| return; | ||
| lock (_assembleLocker) | ||
| { | ||
| if (_hasGenerated) | ||
| return; | ||
| assembleTypes(assembly, StoreOptions); | ||
| _hasGenerated = true; | ||
| } | ||
| } | ||
| Task<bool> ICodeFile.AttachTypes(GenerationRules rules, Assembly assembly, IServiceProvider services, | ||
| string containingNamespace) | ||
| { | ||
| var attached = tryAttachTypes(assembly, StoreOptions); | ||
| return Task.FromResult(attached); | ||
| } | ||
| public Type ProjectionType => GetType(); | ||
| protected abstract void assembleTypes(GeneratedAssembly assembly, TOptions options); | ||
| protected abstract bool tryAttachTypes(Assembly assembly, TOptions options); | ||
| private void generateIfNecessary(TStore store) | ||
| { | ||
| lock (_assembleLocker) | ||
| { | ||
| if (_hasGenerated) | ||
| { | ||
| return; | ||
| } | ||
| generateIfNecessaryLocked(); | ||
| _hasGenerated = true; | ||
| } | ||
| return; | ||
| void generateIfNecessaryLocked() | ||
| { | ||
| StoreOptions = store.Options; | ||
| var rules = store.Options.CreateGenerationRules(); | ||
| rules.ReferenceTypes(GetType()); | ||
| this.As<ICodeFile>().InitializeSynchronously(rules, store.Options.EventGraph, null); | ||
| if (!needsSettersGenerated()) | ||
| { | ||
| return; | ||
| } | ||
| var generatedAssembly = new GeneratedAssembly(rules); | ||
| assembleTypes(generatedAssembly, store.Options); | ||
| // This will force it to create any setters or dynamic funcs | ||
| generatedAssembly.GenerateCode(); | ||
| } | ||
| } | ||
| /// <summary> | ||
| /// Prevent code generation bugs when multiple aggregates are code generated in parallel | ||
| /// Happens more often on dynamic code generation | ||
| /// </summary> | ||
| protected static object _assembleLocker = new(); | ||
| protected abstract bool needsSettersGenerated(); | ||
| } | ||
| */ |