void EmitInit(Emit.PEModuleBuilder module)
{
// void Init(Context)
var tt = DeclaringCompilation.CoreTypes;
var diagnostic = DiagnosticBag.GetInstance();
// override IStaticInit.Init(Context) { .. }
var initMethod = new SynthesizedMethodSymbol(this, "Init", false, true, tt.Void, Accessibility.Public);
initMethod.SetParameters(new SynthesizedParameterSymbol(initMethod, tt.Context, 0, RefKind.None, "ctx"));
var body = MethodGenerator.GenerateMethodBody(module, initMethod, (il) =>
{
var cg = new CodeGenerator(il, module, diagnostic, module.Compilation.Options.OptimizationLevel, false, this, new ArgPlace(tt.Context, 1), new ArgPlace(this, 0));
foreach (var fld in this.Fields)
{
if (fld.RequiresContext)
{
fld.EmitInit(cg);
}
}
//
il.EmitRet(true);
},
null, diagnostic, false);
module.SetMethodBody(initMethod, body);
module.SynthesizedManager.AddMethod(this, initMethod);
}
public GenDeserializeContext(
MethodGenerator generator,
PartDefinition part,
IExpression instance,
IExpression args,
IVariable header)
: base(generator)
{
ArgumentAssert.IsNotNull(generator, "generator");
ArgumentAssert.IsNotNull(part, "part");
ArgumentAssert.IsNotNull(instance, "instance");
ArgumentAssert.IsNotNull(args, "args");
ArgumentAssert.IsNotNull(header, "header");
DeserializationArgs = args;
Reader = args.Copy().AddMember("Reader");
Instance = instance;
Member = part.IsBaseType
? instance
.MakeReadOnly()
: instance
.Copy()
.AddMember(part.Member);
IsBaseType = part.IsBaseType;
Header = header;
}
public void If_Condition_And()
{
DynamicMethod method = new DynamicMethod("temp", typeof(int), Type.EmptyTypes);
MethodGenerator g = new MethodGenerator(method);
var a = g.Declare(5);
g.If(() => {//a<10 && a>6
g.And(() => {
g.Load(a);
g.Load(10);
return(LogicOperator.LessThan);
}, () => {
g.Load(a);
g.Load(6);
return(LogicOperator.GreaterThan);
});
return(LogicOperator.IsTrue);
}, () => {
g.Increment(a);
});
g.Load(a);
g.Return();
int result = (int)method.Invoke(null, new object[] { });
Assert.AreEqual(5, result);
}
/// <summary>
/// Emit body of enumeration of referenced types.
/// </summary>
internal void CreateBuiltinTypes(DiagnosticBag diagnostic)
{
var method = this.ScriptType.EnumerateBuiltinTypesSymbol;
var types = this.Compilation.GlobalSemantics.GetReferencedTypes();
// void (Action<string, RuntimeTypeHandle> callback)
var body = MethodGenerator.GenerateMethodBody(this, method,
(il) =>
{
var action_string_method = method.Parameters[0].Type;
Debug.Assert(action_string_method.Name == "Action");
var invoke = action_string_method.DelegateInvokeMethod();
Debug.Assert(invoke != null);
foreach (var t in types)
{
if (t.IsPhpUserType())
{
continue; // the type is a PHP user type, do not export as app type
}
// callback.Invoke(t)
il.EmitLoadArgumentOpcode(0);
il.EmitCall(this, diagnostic, ILOpCode.Call, Compilation.CoreMethods.Dynamic.GetPhpTypeInfo_T.Symbol.Construct(t));
il.EmitCall(this, diagnostic, ILOpCode.Callvirt, invoke);
}
//
il.EmitRet(true);
},
null, diagnostic, false);
SetMethodBody(method, body);
}
/// <summary>
/// Emit body of enumeration of referenced types.
/// </summary>
internal void CreateEnumerateReferencedTypes(DiagnosticBag diagnostic)
{
var method = this.ScriptType.EnumerateReferencedTypesSymbol;
var types = this.Compilation.GlobalSemantics.GetReferencedTypes();
// void (Action<string, RuntimeTypeHandle> callback)
var body = MethodGenerator.GenerateMethodBody(this, method,
(il) =>
{
var action_string_method = method.Parameters[0].Type;
Debug.Assert(action_string_method.Name == "Action");
var invoke = action_string_method.DelegateInvokeMethod();
Debug.Assert(invoke != null);
foreach (var t in types)
{
// callback.Invoke(t.Name, t)
il.EmitLoadArgumentOpcode(0);
il.EmitStringConstant(t.Name);
il.EmitLoadToken(this, diagnostic, t, null);
il.EmitCall(this, diagnostic, ILOpCode.Callvirt, invoke);
}
//
il.EmitRet(true);
},
null, diagnostic, false);
SetMethodBody(method, body);
}
public static void GenerateCode1()
{
MethodGenerator method = new MethodGenerator("Test");
method.SetAuthority(MethodAuthorityType.Internal);
method.SetDecorate(MethodDecorateType.Virtual);
method.SetParms(new string[] { "int", "string" });
method.SetReturn("bool");
MethodGenerator method1 = new MethodGenerator("Test1");
method1.SetAuthority(MethodAuthorityType.Internal);
method1.SetDecorate(MethodDecorateType.Virtual);
method1.SetParms(new string[] { "int", "string" });
method1.SetReturn("bool");
ClassGenerator textClass = new ClassGenerator("TestClass");
textClass.SetUsingName(new string[] { "xxxx", "aaaa" });
textClass.SetBaseClass("xxcvsdf");
textClass.SetDecorate(ClassDecorateType.Abstract);
textClass.SetAuthority(AuthorityType.Public);
textClass.SetInterfaces(new string[] { "asdfsadf", "asdfasdf" });
textClass.SetNamespace("masdjf");
textClass.AddMethod(method);
textClass.AddMethod(method1);
string classValue = textClass.ToString();
TxtUtility.StringToFile(classValue);
}
void EmitInvoke(MethodSymbol invoke, Emit.PEModuleBuilder module)
{
if (invoke == null)
{
return;
}
module.SetMethodBody(invoke, MethodGenerator.GenerateMethodBody(module, invoke, il =>
{
var cg = new CodeGenerator(il, module, DiagnosticBag.GetInstance(), OptimizationLevel.Release, false, this, new ParamPlace(invoke.Parameters[0]), new ArgPlace(this, 0));
//var __invoke = (MethodSymbol)GetMembers(Pchp.Syntax.Name.SpecialMethodNames.Invoke.Value).Single(s => s is MethodSymbol);
// TODO: call __invoke() directly
// context.Call<T>(T, TypeMethods.MagicMethods, params PhpValue[])
var call_t = cg.CoreTypes.Context.Symbol.GetMembers("Call")
.OfType <MethodSymbol>()
.Where(s => s.Arity == 1 && s.ParameterCount == 3 && s.Parameters[2].IsParams)
.Single()
.Construct(this);
// return context.Call<T>(this, __invoke, args)
cg.EmitLoadContext();
cg.EmitThis();
cg.Builder.EmitIntConstant((int)Core.Reflection.TypeMethods.MagicMethods.__invoke);
cg.Builder.EmitLoadArgumentOpcode(2);
cg.EmitCall(ILOpCode.Call, call_t);
cg.EmitRet(false);
}, null, DiagnosticBag.GetInstance(), false));
}
private static PropertyValueMethod GenerateGetPropertyValueMethod <T>(Type objectType, string propertyName)
{
DynamicMethod method = new DynamicMethod(string.Format("GetPropertyValue_{0}", Guid.NewGuid().ToString("n"))
, typeof(T)
, new Type[] { typeof(object) }
, true);
MethodGenerator g = new MethodGenerator(method);
var result = g.Declare <T>("result");
g.Assign(result, () =>
{
g.LoadParameter(0);
g.Cast(objectType);
g.LoadMember(propertyName);
});
g.LoadVariable("result");
g.Return();
var invoke = method.CreateDelegate(typeof(Func <object, T>));
return(new PropertyValueMethod(propertyName, invoke));
}
void EmitPhpCtor(MethodSymbol ctor, Emit.PEModuleBuilder module)
{
if (ctor == null)
{
return; // static class
}
Debug.Assert(ctor.MethodKind == MethodKind.Constructor);
module.SetMethodBody(ctor, MethodGenerator.GenerateMethodBody(module, ctor, il =>
{
Debug.Assert(SpecialParameterSymbol.IsContextParameter(ctor.Parameters[0]));
var cg = new CodeGenerator(il, module, DiagnosticBag.GetInstance(), OptimizationLevel.Release, false, this, new ParamPlace(ctor.Parameters[0]), new ArgPlace(this, 0));
// call .phpnew
var phpnew = this.PhpNewMethodSymbol;
cg.EmitPop(cg.EmitThisCall(phpnew, ctor));
// call __construct
var phpctor = this.ResolvePhpCtor(true);
cg.EmitPop(cg.EmitThisCall(phpctor, ctor));
Debug.Assert(ctor.ReturnsVoid);
cg.EmitRet(true);
}, null, DiagnosticBag.GetInstance(), false));
}
/// <summary>
/// Emit body of enumeration of scripts Main function.
/// </summary>
internal void CreateEnumerateScriptsSymbol(DiagnosticBag diagnostic)
{
var method = this.ScriptType.EnumerateScriptsSymbol;
var files = this.Compilation.SourceSymbolCollection.GetFiles();
// void (Action<string, RuntimeMethodHandle> callback)
var body = MethodGenerator.GenerateMethodBody(this, method,
(il) =>
{
var action_string_method = method.Parameters[0].Type;
Debug.Assert(action_string_method.Name == "Action");
var invoke = action_string_method.DelegateInvokeMethod();
Debug.Assert(invoke != null);
foreach (var f in files)
{
// callback.Invoke(f.Name, f)
il.EmitLoadArgumentOpcode(0);
il.EmitStringConstant(f.RelativeFilePath);
il.EmitLoadToken(this, diagnostic, f.MainMethod, null);
il.EmitCall(this, diagnostic, ILOpCode.Callvirt, invoke);
}
//
il.EmitRet(true);
},
null, diagnostic, false);
SetMethodBody(method, body);
}
void GenerateFieldAccessorProperty(Emit.PEModuleBuilder module, DiagnosticBag diagnostics, SourceFieldSymbol srcf, PropertySymbol paccessor)
{
//
module.SynthesizedManager.AddProperty(this, paccessor);
//
var get_body = MethodGenerator.GenerateMethodBody(module, paccessor.GetMethod, (il) =>
{
// Template: return field;
var place = new FieldPlace(new ArgPlace(this, 0), srcf.OverridenDefinition, module);
place.EmitLoad(il);
il.EmitRet(false);
}, null, diagnostics, false);
module.SetMethodBody(paccessor.GetMethod, get_body);
module.SynthesizedManager.AddMethod(this, paccessor.GetMethod);
//
var set_body = MethodGenerator.GenerateMethodBody(module, paccessor.SetMethod, (il) =>
{
// Template: field = value;
var place = new FieldPlace(new ArgPlace(this, 0), srcf.OverridenDefinition, module);
place.EmitStorePrepare(il);
new ArgPlace(this, 1).EmitLoad(il);
place.EmitStore(il);
il.EmitRet(true);
}, null, diagnostics, false);
module.SetMethodBody(paccessor.SetMethod, set_body);
module.SynthesizedManager.AddMethod(this, paccessor.SetMethod);
}
private static void WriteMembers(MethodGenerator g, TypeSerializationInfo typeInfo)
{
if (typeInfo.ClassAttribute.Mode == DTOSerializableMode.General)
{
foreach (var member in typeInfo.MemberInfos)
{
if (member.CanRead)
{
g.BeginScope();
member.GenerateSerializeIL(g);
g.EndScope();
}
}
}
else
{
//在函数模式,只有标记了ReturnValue的成员才会被写入到dto中
foreach (var member in typeInfo.MemberInfos)
{
if (member.MemberAttribute.Type == DTOMemberType.ReturnValue && member.CanRead)
{
g.BeginScope();
member.GenerateSerializeIL(g);
g.EndScope();
}
}
}
}
/// <summary>
/// Emit body of enumeration of referenced functions.
/// </summary>
internal void CreateEnumerateReferencedFunctions(DiagnosticBag diagnostic)
{
var method = this.ScriptType.EnumerateReferencedFunctionsSymbol;
var functions = GlobalSymbolProvider.ResolveExtensionContainers(this.Compilation)
.SelectMany(c => c.GetMembers().OfType <MethodSymbol>())
.Where(GlobalSymbolProvider.IsFunction);
// void (Action<string, RuntimeMethodHandle> callback)
var body = MethodGenerator.GenerateMethodBody(this, method,
(il) =>
{
var action_string_method = method.Parameters[0].Type;
Debug.Assert(action_string_method.Name == "Action");
var invoke = action_string_method.DelegateInvokeMethod();
Debug.Assert(invoke != null);
foreach (var f in functions)
{
// callback.Invoke(f.Name, f)
il.EmitLoadArgumentOpcode(0);
il.EmitStringConstant(f.Name);
il.EmitLoadToken(this, diagnostic, f, null);
il.EmitCall(this, diagnostic, ILOpCode.Callvirt, invoke);
}
//
il.EmitRet(true);
},
null, diagnostic, false);
SetMethodBody(method, body);
}
private static PropertyValueMethod GenerateSetPropertyValueMethod(Type objectType, string propertyName)
{
var propertyInfo = objectType.ResolveProperty(propertyName);
var propertyType = propertyInfo.PropertyType;
DynamicMethod method = new DynamicMethod(string.Format("SetPropertyValue_{0}", Guid.NewGuid().ToString("n"))
, null
, new Type[] { typeof(object), typeof(object) } //obj value
, true);
MethodGenerator g = new MethodGenerator(method);
g.LoadParameter(0);
g.Cast(objectType);
g.Assign(propertyName, () =>
{
g.LoadParameter(1);
g.Cast(propertyType);
});
g.Return();
var invoke = method.CreateDelegate(typeof(Action <object, object>));
return(new PropertyValueMethod(propertyName, invoke));
}
void EmitInit(Emit.PEModuleBuilder module)
{
EnsureMembers();
// void Init(Context)
var tt = DeclaringCompilation.CoreTypes;
var diagnostic = DiagnosticBag.GetInstance();
// override IStaticInit.Init(Context) { .. }
var initMethod = new SynthesizedMethodSymbol(this, "Init", false, true, tt.Void, Accessibility.Public);
initMethod.SetParameters(new SynthesizedParameterSymbol(initMethod, tt.Context, 0, RefKind.None, "ctx"));
var body = MethodGenerator.GenerateMethodBody(module, initMethod, (il) =>
{
var cg = new CodeGenerator(il, module, diagnostic, OptimizationLevel.Release, false, this, new ArgPlace(tt.Context, 1), new ArgPlace(this, 0));
GetMembers().OfType <SourceFieldSymbol>().Where(f => f.InitializerRequiresContext).ForEach(f => f.EmitInit(cg));
//
il.EmitRet(true);
},
null, diagnostic, false);
module.SetMethodBody(initMethod, body);
//
_lazyMembers = _lazyMembers.Add(initMethod);
}
/// <summary>
/// 生成反序列化代码
/// </summary>
/// <param name="g"></param>
public virtual void GenerateDeserializeIL(MethodGenerator g)
{
SetMember(g, () =>
{
SerializationMethodHelper.Read(g, this.DTOMemberName, this.TargetType);
});
}
//private static void DeclareInstance(MethodGenerator g, TypeSerializationInfo typeInfo)
//{
// if (typeInfo.ClassType.IsValueType)
// {
// var instance = g.Declare(typeInfo.ClassType, SerializationArgs.InstanceName);
// //g.LoadVariable(instance, LoadOptions.ValueAsAddress);
// //g.InitValue();
// }
// else
// {
// var instance = g.Declare(typeInfo.ClassType, SerializationArgs.InstanceName);
// g.Assign(instance, () =>
// {
// g.NewObject(typeInfo.ClassType);
// });
// }
//}
private static void ReadMembers(MethodGenerator g, TypeSerializationInfo typeInfo)
{
if (typeInfo.ClassAttribute.Mode == DTOSerializableMode.General)
{
foreach (var member in typeInfo.MemberInfos)
{
if (member.CanWrite)
{
g.BeginScope();
member.GenerateDeserializeIL(g);
g.EndScope();
}
}
}
else
{
//在函数模式,只有标记了Parameter的成员才会被反序列化到对象实例中
foreach (var member in typeInfo.MemberInfos)
{
if (member.MemberAttribute.Type == DTOMemberType.Parameter && member.CanWrite)
{
g.BeginScope();
member.GenerateDeserializeIL(g);
g.EndScope();
}
}
}
}
void EmitPhpCallable(Emit.PEModuleBuilder module, DiagnosticBag diagnostics)
{
var __invoke = TryGetMagicInvoke();
if (__invoke == null ||
IsAlreadyImplemented(__invoke) ||
IsAlreadyImplemented(DeclaringCompilation.CoreTypes.IPhpCallable))
{
// already implemented in a base class
return;
}
//
// IPhpCallable.Invoke(Context <ctx>, PhpVaue[] arguments)
//
var invoke = new SynthesizedMethodSymbol(this, "IPhpCallable.Invoke", false, true, DeclaringCompilation.CoreTypes.PhpValue, isfinal: false)
{
ExplicitOverride = (MethodSymbol)DeclaringCompilation.CoreTypes.IPhpCallable.Symbol.GetMembers("Invoke").Single(),
ForwardedCall = __invoke,
};
invoke.SetParameters(
new SpecialParameterSymbol(invoke, DeclaringCompilation.CoreTypes.Context, SpecialParameterSymbol.ContextName, 0),
new SynthesizedParameterSymbol(invoke, ArrayTypeSymbol.CreateSZArray(ContainingAssembly, DeclaringCompilation.CoreTypes.PhpValue.Symbol), 1, RefKind.None, name: "arguments", isParams: true));
module.SetMethodBody(invoke, MethodGenerator.GenerateMethodBody(module, invoke, il =>
{
var cg = new CodeGenerator(il, module, diagnostics, module.Compilation.Options.OptimizationLevel, false, this, new ParamPlace(invoke.Parameters[0]), new ArgPlace(this, 0))
{
CallerType = this,
};
cg.EmitRet(cg.EmitForwardCall(__invoke, invoke, callvirt: true));
}, null, diagnostics, false));
module.SynthesizedManager.AddMethod(this, invoke);
//
// IPhpCallable.ToPhpValue()
//
var tophpvalue = new SynthesizedMethodSymbol(this, "IPhpCallable.ToPhpValue", false, true, DeclaringCompilation.CoreTypes.PhpValue, isfinal: false)
{
ExplicitOverride = (MethodSymbol)DeclaringCompilation.CoreTypes.IPhpCallable.Symbol.GetMembers("ToPhpValue").Single(),
};
//
module.SetMethodBody(tophpvalue, MethodGenerator.GenerateMethodBody(module, tophpvalue, il =>
{
var thisPlace = new ArgPlace(this, 0);
var ctxPlace = new FieldPlace(thisPlace, this.ContextStore, module);
var cg = new CodeGenerator(il, module, diagnostics, module.Compilation.Options.OptimizationLevel, false, this, ctxPlace, thisPlace);
// return PhpValue.FromClass(this)
cg.EmitThis();
cg.EmitRet(cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpValue.FromClass_Object));
}, null, diagnostics, false));
module.SynthesizedManager.AddMethod(this, tophpvalue);
}
public override void TranslateInput()
{
// Parse the expression first to determine the result type
MethodGenerator.SetOutputEnabled(false);
IrisType resultType = ParseExpressionAndReadFormatSpecifiers();
MethodGenerator.SetOutputEnabled(true);
if (_context.ErrorCount == 0)
{
// No errors: Now that we know the result type, parse again and generate code this time
_context.Emitter.BeginProgram(_context.ClassName, _context.Importer.ImportedAssemblies);
_lexer.Reset();
MethodGenerator.BeginMethod(_context.MethodName, resultType, _context.ParameterVariables, _context.LocalVariables, false, string.Empty);
ParseExpression();
MethodGenerator.EndMethod();
bool readOnly = resultType.IsArray || resultType == IrisType.Void;
if (_context.ErrorCount == 0)
{
_context.Emitter.EndProgram();
if (!readOnly)
{
// As a final step, see if this expression is something that can be assigned
// to. We only support very simple L-Values for assignments so if the syntax
// doesn't match exactly, make the result read only.
_lexer.Reset();
readOnly = !TryParseAsLValue();
}
}
if (resultType == IrisType.Boolean)
{
// Setting the "BoolResult" flag allows the expression to be used for a
// "when true" breakpoint condition.
_context.ResultFlags |= DkmClrCompilationResultFlags.BoolResult;
}
if (ParsedCallSyntax)
{
// If we parsed call syntax, this expression has the potential to have side
// effects. Setting the PotentialSideEffect flag prevents the debugger from
// implicitly evaluating the expression without user interaction.
// Instead of implicity evaluating the expression, the debugger will show the
// message "This expression has side effects and will not be evaluated"
_context.ResultFlags |= DkmClrCompilationResultFlags.PotentialSideEffect;
readOnly = true; // Can't modify return value of call
}
if (readOnly)
{
_context.ResultFlags |= DkmClrCompilationResultFlags.ReadOnlyResult;
}
}
}
/// <summary>
/// 生成序列化代码
/// </summary>
/// <param name="g"></param>
public virtual void GenerateSerializeIL(MethodGenerator g)
{
//serializer.serialize(v); 或 //writer.Writer(v);
SerializationMethodHelper.Write(g, this.DTOMemberName, this.TargetType, () =>
{
LoadMemberValue(g);
});
}
public void TestInitialize()
{
_generator = new MethodGenerator();
_generator.InjectDependency(_modifierGenerator = new ModifierGeneratorStub());
_generator.InjectDependency(_parameterGenerator = new ParameterGeneratorStub());
_generator.InjectDependency(_statementGenerator = new StatementGeneratorStub());
_modifierGenerator.Results = new[] { "private" };
}
/// <summary>
/// Generates analyzed method.
/// </summary>
void EmitMethodBody(SourceRoutineSymbol routine)
{
Contract.ThrowIfNull(routine);
Debug.Assert(routine.ControlFlowGraph.Start.FlowState != null);
var body = MethodGenerator.GenerateMethodBody(_moduleBuilder, routine, 0, null, _diagnostics, _emittingPdb);
_moduleBuilder.SetMethodBody(routine, body);
}
void EmitTraitImplementations(Emit.PEModuleBuilder module)
{
foreach (var t in TraitUses)
{
foreach (var m in t.GetMembers().OfType <SynthesizedMethodSymbol>())
{
Debug.Assert(m.ForwardedCall != null);
module.SetMethodBody(m, MethodGenerator.GenerateMethodBody(module, m, il =>
{
IPlace thisPlace = null;
IPlace traitInstancePlace = null;
IPlace ctxPlace;
if (m.IsStatic)
{
// Template: return TRAIT.method(...)
Debug.Assert(SpecialParameterSymbol.IsContextParameter(m.Parameters[0]));
ctxPlace = new ParamPlace(m.Parameters[0]);
}
else
{
// Template: return this.<>trait.method(...)
thisPlace = new ArgPlace(this, 0); // this
ctxPlace = new FieldPlace(thisPlace, this.ContextStore, module); // this.<ctx>
traitInstancePlace = new FieldPlace(thisPlace, t.TraitInstanceField, module); // this.<>trait
}
using (var cg = new CodeGenerator(il, module, DiagnosticBag.GetInstance(), module.Compilation.Options.OptimizationLevel, false, this, ctxPlace, thisPlace)
{
CallerType = this,
})
{
var forwarded_type = cg.EmitForwardCall(m.ForwardedCall, m, thisPlaceExplicit: traitInstancePlace);
var target_type = m.ReturnType;
cg.EmitConvert(forwarded_type, 0, target_type); // always (forwarded_type === target_type)
cg.EmitRet(target_type);
}
}, null, DiagnosticBag.GetInstance(), false));
module.SynthesizedManager.AddMethod(this, m);
// NOTE: following is not needed anymore:
//// ghost stubs: // ... resolve this already in SourceTypeSymbol.GetMembers(), now it does not get overloaded properly
//var ps = m.Parameters;
//for (int i = 0; i < ps.Length; i++)
//{
// if (ps[i].HasUnmappedDefaultValue()) // => ConstantValue couldn't be resolved for optional parameter
// {
// // create ghost stub foo(p0, .. pi-1) => foo(p0, .. , pN)
// GhostMethodBuilder.CreateGhostOverload(m, module, DiagnosticBag.GetInstance(), i);
// }
//}
}
}
}
private void MaybeGenerateEntryForSymbol(Symbol symbol)
{
if (_context.ArgumentsOnly && symbol.StorageClass != StorageClass.Argument)
{
// We are only showing arguments
return;
}
IrisType symbolType = symbol.Type;
if (symbolType.IsMethod || symbolType == IrisType.Invalid || symbolType == IrisType.Void)
{
// This symbol doesn't belong in the Locals window.
// Don't generate an entry for it.
return;
}
if (symbol.Name.StartsWith("$."))
{
// Don't show compiler internal symbols
return;
}
string methodName = _context.NextMethodName();
IrisType derefType = DerefType(symbolType);
// Emit code for the method to get the symbol value.
MethodGenerator.BeginMethod(methodName, derefType, _context.ParameterVariables, _context.LocalVariables, entryPoint: false, methodFileName: null);
EmitLoadSymbol(symbol, SymbolLoadMode.Dereference);
MethodGenerator.EndMethod();
// Generate the local entry to pass back to the debug engine
DkmClrCompilationResultFlags resultFlags = DkmClrCompilationResultFlags.None;
if (derefType == IrisType.Boolean)
{
// The debugger uses "BoolResult" for breakpoint conditions so setting the flag
// here has no effect currently, but we set it for the sake of consistency.
resultFlags |= DkmClrCompilationResultFlags.BoolResult;
}
else if (derefType.IsArray)
{
// Iris doesn't support modification of an array itself
resultFlags |= DkmClrCompilationResultFlags.ReadOnlyResult;
}
string fullName = symbol.Name;
_context.GeneratedLocals.Add(DkmClrLocalVariableInfo.Create(
fullName,
fullName,
methodName,
resultFlags,
DkmEvaluationResultCategory.Data,
null));
}
/// <summary>
/// Initializes a new instance of the <see cref="Generator"/> class.
/// </summary>
/// <param name="generatorMode">The generator mode.</param>
private Generator(GeneratorMode generatorMode)
{
GeneratorMode = generatorMode;
_fieldGenerator = new FieldGenerator(this);
_eventGenerator = new EventGenerator(this);
_methodGenerator = new MethodGenerator(this);
_parameterGenerator = new ParameterGenerator(this);
_propertyGenerator = new PropertyGenerator(this);
_typeNameGenerator = new TypeNameGenerator(this);
}
public Translator(CompilerContext context)
{
MethodGenerator = new MethodGenerator(context);
_context = context;
_lexer = context.Lexer;
_symbolTable = context.SymbolTable;
_lastParsedPosition = _lexer.TokenStartPosition;
_lexeme = string.Empty;
}
void EmitToString(Emit.PEModuleBuilder module)
{
if (this.IsInterface || this.IsTrait)
{
return;
}
var __tostring = this.GetMembersByPhpName(SpecialMethodNames.Tostring.Value).OfType <MethodSymbol>().FirstOrDefault();
if (__tostring != null) // implement ToString if: there is __toString() function
{
// lookup base string ToString()
var overriden = this.LookupMember <MethodSymbol>(
WellKnownMemberNames.ObjectToString,
m => OverrideHelper.SignaturesMatch(m, (MethodSymbol)DeclaringCompilation.GetSpecialTypeMember(SpecialMember.System_Object__ToString)));
Debug.Assert(overriden != null);
if (overriden == null || overriden.IsSealed || overriden.ContainingType == this)
{
// cannot be overriden
return;
}
// public sealed override string ToString()
var tostring = new SynthesizedMethodSymbol(this, WellKnownMemberNames.ObjectToString, false, true, DeclaringCompilation.CoreTypes.String, Accessibility.Public, isfinal: false, phphidden: true)
{
ExplicitOverride = overriden,
ForwardedCall = __tostring,
};
module.SetMethodBody(tostring, MethodGenerator.GenerateMethodBody(module, tostring, il =>
{
var thisPlace = new ArgPlace(this, 0);
var cg = new CodeGenerator(il, module, DiagnosticBag.GetInstance(), module.Compilation.Options.OptimizationLevel, false, this, new FieldPlace(thisPlace, this.ContextStore, module), thisPlace);
if (__tostring != null)
{
// __tostring().ToString()
cg.EmitConvert(cg.EmitForwardCall(__tostring, tostring, callvirt: true), 0, tostring.ReturnType);
}
else
{
// PhpException.ObjectToStringNotSupported(this)
cg.EmitThis();
cg.EmitPop(cg.EmitCall(ILOpCode.Call, cg.CoreTypes.PhpException.Method("ObjectToStringNotSupported", cg.CoreTypes.Object)));
// return ""
cg.Builder.EmitStringConstant(string.Empty);
}
cg.EmitRet(tostring.ReturnType);
}, null, DiagnosticBag.GetInstance(), false));
module.SynthesizedManager.AddMethod(this, tostring);
}
}
/// <summary>
/// 读取数组的长度
/// </summary>
/// <param name="g"></param>
/// <param name="dtoMemberName"></param>
/// <param name="valueType"></param>
public static void ReadLength(MethodGenerator g, string dtoMemberName)
{
var method = typeof(IDTOReader).ResolveMethod("ReadLength", _readArgs);
var prmIndex = SerializationArgs.ReaderIndex;
g.Call(method, () =>
{
g.LoadParameter(prmIndex);
g.Load(dtoMemberName);
});
}
/// <summary>
/// 声明强类型的instance变量留待后续代码使用，避免频繁类型转换
/// </summary>
private static void DeclareInstance(MethodGenerator g, TypeSerializationInfo typeInfo)
{
//TypeClassName instance = (TypeClassName)instance;
var instance = g.Declare(typeInfo.ClassType, SerializationArgs.InstanceName);
g.Assign(instance, () =>
{
g.LoadParameter(SerializationArgs.InstanceIndex);
g.UnboxAny(typeInfo.ClassType);
});
}
public static void RunMethodTest(MethodGenerator method, string name = null)
{
ExecutableTestHelper.Generator gen = ag =>
{
TypeGen t = ag.Class("Test");
{
method(t.Public.Static.Method(typeof(void), "Main"));
}
};
RunTest(gen, ExecutableTestHelper.GetTestName(method.Method));
}
public override void GenerateDeserializeIL(MethodGenerator g)
{
SetMember(g, () =>
{
var count = g.Declare <int>();
g.Assign(count, () =>
{
SerializationMethodHelper.ReadLength(g, this.DTOMemberName);//读取数量
});
var list = g.Declare(this.TargetType);
g.If(() =>
{
g.Load(count);
g.Load(0);
return(LogicOperator.LessThan);
}, () =>
{
//数量小于1
//list = new List<T>();
var elementType = this.TargetType.ResolveElementType();
g.Assign(list, () =>
{
g.NewObject(this.TargetType);
});
}, () =>
{
//list = new List<T>();
g.Assign(list, () =>
{
g.NewObject(this.TargetType);
});
var elementType = this.TargetType.ResolveElementType();
g.For(count, (index) =>
{
var item = g.Declare(elementType);
g.Assign(item, () =>
{
SerializationMethodHelper.ReadElement(g, this.DTOMemberName, elementType, index);
});
g.Load(list);
g.Load(item);
g.Call(this.TargetType.ResolveMethod("Add", elementType));
});
});
g.Load(list);
});
}
public IPhp54Function GenerateFunction(Action Action, bool DoDebug)
{
var OldMethodGenerator = MethodGenerator;
var NewMethodGenerator = new MethodGenerator(DoDebug);
OldMethodGenerator = MethodGenerator;
MethodGenerator = NewMethodGenerator;
try
{
Action();
}
finally
{
MethodGenerator = OldMethodGenerator;
}
return NewMethodGenerator.GenerateMethod();
}
/// <summary>
/// Add a virtualizable method.
/// </summary>
/// <param name="name">Method name</param>
/// <param name="func">Callback which generates the method body</param>
public void AddMethod(String name, MethodGenerator func)
{
if (_methods.ContainsKey(name))
_methods[name] = func;
else _methods.Add(name, func);
}