/// <summary>
/// Convert the given method into optimized Ast format.
/// </summary>
protected static AstNode CreateOptimizedAst(AssemblyCompiler compiler, MethodSource source)
{
// Build AST
DecompilerContext context;
AstBlock ast;
if (source.IsDotNet)
{
context = new DecompilerContext(source.Method);
var astBuilder = new IL2Ast.AstBuilder(source.ILMethod, true, context);
var children = astBuilder.Build();
ast = new AstBlock(children.Select(x => x.SourceLocation).FirstOrDefault(), children);
if ((source.ILMethod.IsConstructor) && (source.Method.DeclaringType.Fields.Any(x => x.FieldType.IsEnum())))
{
// Ensure all fields are initialized
AddFieldInitializationCode(source, ast);
}
if (source.Method.NeedsGenericInstanceTypeParameter && (source.Name == ".ctor"))
{
// Add code to safe the generic instance type parameter into the generic instance field.
AddGenericInstanceFieldInitializationCode(ast);
}
}
else if (source.IsJava)
{
var astBuilder = new Java2Ast.AstBuilder(compiler.Module, source.JavaMethod, source.Method.DeclaringType, true);
context = new DecompilerContext(source.Method);
ast = astBuilder.Build();
}
else if (source.IsAst)
{
context = new DecompilerContext(source.Method);
ast = source.Ast;
}
else
{
throw new NotSupportedException("Unknown source");
}
// Optimize AST
var astOptimizer = new AstOptimizer(context, ast);
astOptimizer.Optimize();
// Optimize AST towards the target
TargetConverters.Convert(context, ast, source, compiler);
// Return return
return(ast);
}
/// <summary>
/// Convert the given method into optimized Ast format.
/// </summary>
internal protected static AstNode CreateOptimizedAst(AssemblyCompiler compiler, MethodSource source,
bool generateSetNextInstructionCode,
StopAstConversion debugStop = StopAstConversion.None,
AstOptimizationStep debugStopOptimizing = AstOptimizationStep.None
)
{
// Build AST
DecompilerContext context;
AstBlock ast;
if (source.IsDotNet)
{
context = new DecompilerContext(source.Method);
var astBuilder = new IL2Ast.AstBuilder(source.ILMethod, true, context);
var children = astBuilder.Build();
ast = new AstBlock(children.Select(x => x.SourceLocation).FirstOrDefault(), children);
if ((source.ILMethod.IsConstructor) && (source.Method.DeclaringType.Fields.Any(x => x.FieldType.IsEnum() || x.Name.EndsWith(NameConstants.Atomic.FieldUpdaterPostfix))))
{
// Ensure all fields are initialized
AddFieldInitializationCode(compiler, source, ast);
}
if (source.Method.NeedsGenericInstanceTypeParameter && (source.Name == ".ctor"))
{
// Add code to save the generic instance type parameter into the generic instance field.
AddGenericInstanceFieldInitializationCode(source, ast, compiler.Module.TypeSystem);
}
}
else if (source.IsJava)
{
var astBuilder = new Java2Ast.AstBuilder(compiler.Module, source.JavaMethod, source.Method.DeclaringType, true);
context = new DecompilerContext(source.Method);
ast = astBuilder.Build();
}
else if (source.IsAst)
{
context = new DecompilerContext(source.Method);
ast = source.Ast;
}
else
{
throw new NotSupportedException("Unknown source");
}
if (debugStop == StopAstConversion.AfterILConversion)
{
return(ast);
}
// Optimize AST
var astOptimizer = new AstOptimizer(context, ast);
astOptimizer.Optimize(debugStopOptimizing);
if (debugStop == StopAstConversion.AfterOptimizing)
{
return(ast);
}
// Optimize AST towards the target
TargetConverters.Convert(context, ast, source, compiler, debugStop);
if (generateSetNextInstructionCode)
{
SetNextInstructionGenerator.Convert(ast, source, compiler);
}
// Return return
return(ast);
}