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[WIP] First pass at script decompilation

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This commit is contained in:
Yoshi Askharoun
2025-07-18 00:23:23 -05:00
parent 059e143980
commit f18920fd33
8 changed files with 302 additions and 49 deletions
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libs/UIX.DecompXml/Mock/IrisExpression.cs
+33 -4
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@@ -1,12 +1,20 @@
using Microsoft.Iris.Asm;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.Iris.Asm;
using Microsoft.Iris.Markup;
using Newtonsoft.Json.Linq;
using System;
using System.Linq.Expressions;
using static Microsoft.CodeAnalysis.CSharp.SyntaxFactory;
namespace Microsoft.Iris.DecompXml.Mock;
internal class IrisExpression : Expression
internal abstract class IrisExpression : Expression
{
public virtual string Decompile(DecompileContext context) => ToString();
public virtual string Decompile(DecompileContext context) => ToSyntax(context).ToString();
public abstract ExpressionSyntax ToSyntax(DecompileContext context);
public static Expression Wrap(object p)
{
@@ -15,7 +23,7 @@ internal class IrisExpression : Expression
null => Constant(null),
Expression expr => expr,
Disassembler.RawConstantInfo constantInfo => new IrisConstantExpression(constantInfo.Value, constantInfo.Type),
Markup.SymbolReference symbolRef => Constant(symbolRef),
SymbolReference symbolRef => Constant(symbolRef),
_ => throw new NotImplementedException($"Unable to wrap '{p}' in an expression")
};
@@ -27,4 +35,25 @@ internal class IrisExpression : Expression
? irisExpr.Decompile(context)
: expr.ToString();
}
public static ExpressionSyntax ToSyntax(object obj, DecompileContext context)
{
return obj switch
{
null => LiteralExpression(SyntaxKind.NullLiteralExpression),
int intValue => LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(intValue)),
string strValue => LiteralExpression(SyntaxKind.StringLiteralExpression, Literal(strValue)),
IStringEncodable strEnc => ParseExpression(strEnc.EncodeString()),
Disassembler.RawConstantInfo constantInfo => new IrisConstantExpression(constantInfo.Value, constantInfo.Type).ToSyntax(context),
SymbolReference symbolRef => IdentifierName(symbolRef.Symbol),
TypeSchema typeSchema => IdentifierName(context.GetQualifiedName(typeSchema).ToString()),
IrisExpression irisExpr => irisExpr.ToSyntax(context),
Expression expr => ParseExpression(expr.ToString()),
ExpressionSyntax exprSyn => exprSyn,
_ => IdentifierName(obj.ToString())
};
}
}