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ToDiskCompilationMode.cs
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75 lines (60 loc) · 2.58 KB
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
#if FEATURE_REFEMIT
using MSAst = System.Linq.Expressions;
using System;
using System.Collections.Generic;
using Microsoft.Scripting;
using Microsoft.Scripting.Ast;
using Microsoft.Scripting.Runtime;
using Microsoft.Scripting.Utils;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
using AstUtils = Microsoft.Scripting.Ast.Utils;
namespace IronPython.Compiler.Ast {
using Ast = MSAst.Expression;
internal class ToDiskCompilationMode : CollectableCompilationMode {
public override MSAst.Expression GetConstant(object value) {
return AstUtils.Constant(value);
}
public override void PrepareScope(PythonAst ast, System.Runtime.CompilerServices.ReadOnlyCollectionBuilder<MSAst.ParameterExpression> locals, List<MSAst.Expression> init) {
locals.Add(PythonAst._globalArray);
init.Add(
Ast.Assign(
PythonAst._globalArray,
Ast.Call(
typeof(PythonOps).GetMethod(nameof(PythonOps.GetGlobalArrayFromContext)),
PythonAst._globalContext
)
)
);
}
public override LightLambdaExpression ReduceAst(PythonAst instance, string name) {
return Utils.LightLambda<LookupCompilationDelegate>(
typeof(object),
Ast.Block(
new[] { PythonAst._globalArray },
Ast.Assign(
PythonAst._globalArray,
Ast.Call(
null,
typeof(PythonOps).GetMethod(nameof(PythonOps.GetGlobalArrayFromContext)),
PythonAst._globalContext
)
),
AstUtils.Convert(instance.ReduceWorker(), typeof(object))
),
name,
PythonAst._arrayFuncParams
);
}
public override ScriptCode MakeScriptCode(PythonAst ast) {
PythonCompilerOptions pco = ast.CompilerContext.Options as PythonCompilerOptions;
// reduce to LightLambda then to Lambda
var code = (MSAst.Expression<LookupCompilationDelegate>)ast.Reduce().Reduce();
return new PythonSavableScriptCode(code, ast.SourceUnit, ast.GetNames(), pco.ModuleName);
}
}
}
#endif