// when <expr>
// generates into:
// RubyOps.IsTrue(<expr>) if the case has no value, otherise:
// RubyOps.IsTrue(Call("===", <expr>, <value>))
private static MSA.Expression /*!*/ MakeTest(AstGenerator /*!*/ gen, MSA.Expression /*!*/ expr, MSA.Expression value)
{
if (value != null)
{
expr = CallSiteBuilder.InvokeMethod(gen.Context, "===", RubyCallSignature.WithScope(1),
gen.CurrentScopeVariable,
expr,
value
);
}
return(AstFactory.IsTrue(expr));
}
// when <expr>
// generates into:
// RubyOps.IsTrue(<expr>) if the case has no value, otherise:
// RubyOps.IsTrue(InvokeMember("===", <expr>, <value>))
private static MSA.Expression /*!*/ MakeTest(AstGenerator /*!*/ gen, MSA.Expression /*!*/ expr, MSA.Expression /*!*/ value)
{
if (value != null)
{
// InvokeMember("===", <expr>, <value>)
expr = Ast.Dynamic(RubyCallAction.Make("===", RubyCallSignature.WithScope(1)), typeof(object),
gen.CurrentScopeVariable,
expr,
value
);
}
return(AstFactory.IsTrue(expr));
}
public void OverloadResolution_Block()
{
var t = GetType();
var gse = new GlobalScopeExtension(Context, new Scope(), new object(), true);
var scope = new RubyTopLevelScope(gse, null, new SymbolDictionary());
var proc = new Proc(ProcKind.Proc, null, scope, new BlockDispatcher0((x, y) => null, BlockSignatureAttributes.None));
var scopeArg = new MetaObject(Ast.Constant(proc.LocalScope), Restrictions.Empty, proc.LocalScope);
var contextArg = new MetaObject(Ast.Constant(Context), Restrictions.Empty, Context);
var instanceInt = new MetaObject(Ast.Constant(1), Restrictions.Empty, 1);
var str = "foo";
var instanceStr = new MetaObject(Ast.Constant(str), Restrictions.Empty, str);
var procArg = new MetaObject(Ast.Constant(proc), Restrictions.Empty, proc);
var nullArg = new MetaObject(Ast.Constant(Ast.Constant(null)), Restrictions.Empty, null);
var arguments = new[] {
// 1.times
new CallArguments(scopeArg, instanceInt, new MetaObject[0], RubyCallSignature.WithScope(0)),
// 1.times &nil
new CallArguments(scopeArg, instanceInt, new[] { nullArg }, RubyCallSignature.WithScopeAndBlock(0)),
// 1.times &p
new CallArguments(contextArg, instanceInt, new[] { procArg }, RubyCallSignature.WithBlock(0)),
// obj.times &p
new CallArguments(contextArg, instanceStr, new[] { procArg }, RubyCallSignature.WithBlock(0)),
};
var results = new[] {
"Times2",
"Times1",
"Times3",
"Times4",
};
for (int i = 0; i < arguments.Length; i++)
{
var bindingTarget = RubyMethodGroupInfo.ResolveOverload("times", new[] {
t.GetMethod("Times1"),
t.GetMethod("Times2"),
t.GetMethod("Times3"),
t.GetMethod("Times4"),
}, arguments[i], true, false);
Assert(bindingTarget.Success);
Assert(bindingTarget.Method.Name == results[i]);
}
}
public void OverloadResolution_Block1()
{
var scope = Context.EmptyScope;
var proc = new Proc(ProcKind.Proc, null, scope, new BlockDispatcher0(BlockSignatureAttributes.None, null, 0).
SetMethod(new BlockCallTarget0((x, y) => null)));
var arguments = new[] {
// 1.times
new CallArguments(Context, MO(scope), new[] { MO(1) }, RubyCallSignature.WithScope(0)),
// 1.times &nil
new CallArguments(Context, MO(scope), new[] { MO(1), MO(null) }, RubyCallSignature.WithScopeAndBlock(0)),
// 1.times &p
new CallArguments(Context, MO(1), new[] { MO(proc) }, RubyCallSignature.WithBlock(0)),
// obj.times &p
new CallArguments(Context, MO("foo"), new[] { MO(proc) }, RubyCallSignature.WithBlock(0)),
};
var results = new[] {
"Times2",
"Times1",
"Times3",
"Times4",
};
var metaBuilder = new MetaObjectBuilder(null);
for (int i = 0; i < arguments.Length; i++)
{
RubyOverloadResolver resolver;
var methods = GetStaticMethodsStartingWith(typeof(OverloadsWithBlock), "Times");
var bindingTarget = RubyMethodGroupInfo.ResolveOverload(
metaBuilder, arguments[i], "times", methods, SelfCallConvention.SelfIsParameter,
false, out resolver
);
Assert(bindingTarget.Success);
Assert(bindingTarget.Overload.Name == results[i]);
}
}
// when <expr>
// generates into:
// RubyOps.IsTrue(<expr>) if the case has no value, otherise:
// RubyOps.IsTrue(Call("===", <expr>, <value>))
private static MSA.Expression /*!*/ MakeTest(AstGenerator /*!*/ gen, Expression /*!*/ expr, MSA.Expression value)
{
MSA.Expression transformedExpr = expr.TransformRead(gen);
if (expr is SplattedArgument)
{
if (value != null)
{
return(Methods.ExistsUnsplatCompare.OpCall(
Ast.Constant(CallSite <Func <CallSite, object, object, object> > .Create(
RubyCallAction.Make(gen.Context, "===", RubyCallSignature.WithImplicitSelf(2))
)),
AstUtils.LightDynamic(ExplicitTrySplatAction.Make(gen.Context), transformedExpr),
AstUtils.Box(value)
));
}
else
{
return(Methods.ExistsUnsplat.OpCall(
AstUtils.LightDynamic(ExplicitTrySplatAction.Make(gen.Context), transformedExpr)
));
}
}
else
{
if (value != null)
{
return(AstFactory.IsTrue(
CallSiteBuilder.InvokeMethod(gen.Context, "===", RubyCallSignature.WithScope(1),
gen.CurrentScopeVariable,
transformedExpr,
value
)
));
}
else
{
return(AstFactory.IsTrue(transformedExpr));
}
}
}
internal MSA.Expression <T> /*!*/ Transform <T>(AstGenerator /*!*/ gen)
{
Debug.Assert(gen != null);
ScopeBuilder scope = new ScopeBuilder();
MSA.ParameterExpression[] parameters;
MSA.Expression selfVariable;
MSA.Expression rfcVariable;
MSA.Expression parentScope;
MSA.Expression language;
MSA.Expression runtimeScopeVariable;
MSA.Expression moduleVariable;
MSA.Expression blockParameter;
MSA.Expression currentMethodVariable;
if (gen.CompilerOptions.IsEval)
{
parameters = new MSA.ParameterExpression[6];
parameters[0] = Ast.Parameter(typeof(RubyScope), "#scope");
selfVariable = parameters[1] = Ast.Parameter(typeof(object), "#self");
parameters[2] = Ast.Parameter(typeof(RubyModule), "#module");
blockParameter = parameters[3] = Ast.Parameter(typeof(Proc), "#block");
currentMethodVariable = parameters[4] = Ast.Parameter(typeof(RubyMethodInfo), "#method");
rfcVariable = parameters[5] = Ast.Parameter(typeof(RuntimeFlowControl), "#rfc");
if (gen.CompilerOptions.IsModuleEval)
{
runtimeScopeVariable = scope.DefineHiddenVariable("#scope", typeof(RubyScope));
parentScope = parameters[0];
moduleVariable = parameters[2];
}
else
{
runtimeScopeVariable = parameters[0];
moduleVariable = null;
parentScope = null;
}
language = null;
}
else
{
parameters = new MSA.ParameterExpression[2];
parentScope = parameters[0] = Ast.Parameter(typeof(Scope), "#globalScope");
language = parameters[1] = Ast.Parameter(typeof(LanguageContext), "#language");
selfVariable = scope.DefineHiddenVariable("#self", typeof(object));
rfcVariable = scope.DefineHiddenVariable("#rfc", typeof(RuntimeFlowControl));
runtimeScopeVariable = scope.DefineHiddenVariable("#scope", typeof(RubyScope));
blockParameter = null;
currentMethodVariable = null;
moduleVariable = null;
}
gen.EnterSourceUnit(
scope,
selfVariable,
runtimeScopeVariable,
blockParameter,
rfcVariable,
currentMethodVariable,
gen.CompilerOptions.TopLevelMethodName, // method name
null // parameters
);
_definedScope.TransformLocals(scope);
MSA.Expression scopeFactoryCall;
if (gen.CompilerOptions.IsEval)
{
if (gen.CompilerOptions.IsModuleEval)
{
scopeFactoryCall = Methods.CreateModuleEvalScope.OpCall(
scope.VisibleVariables(), parentScope, selfVariable, moduleVariable
);
}
else
{
scopeFactoryCall = null;
}
}
else if (!gen.CompilerOptions.IsIncluded)
{
scopeFactoryCall = Methods.CreateMainTopLevelScope.OpCall(scope.VisibleVariables(), parentScope, language, selfVariable, rfcVariable,
Ast.Constant(gen.SourceUnit.Path, typeof(string)), Ast.Constant(_dataOffset));
}
else if (gen.CompilerOptions.IsWrapped)
{
scopeFactoryCall = Methods.CreateWrappedTopLevelScope.OpCall(scope.VisibleVariables(), parentScope, language, selfVariable, rfcVariable);
}
else
{
scopeFactoryCall = Methods.CreateTopLevelScope.OpCall(scope.VisibleVariables(), parentScope, language, selfVariable, rfcVariable);
}
MSA.Expression prologue, body;
if (scopeFactoryCall != null)
{
prologue = Ast.Assign(runtimeScopeVariable, scopeFactoryCall);
}
else
{
prologue = null;
}
if (gen.SourceUnit.Kind == SourceCodeKind.InteractiveCode)
{
var resultVariable = scope.DefineHiddenVariable("#result", typeof(object));
var epilogue = Methods.PrintInteractiveResult.OpCall(runtimeScopeVariable,
Ast.Dynamic(ConvertToSAction.Instance, typeof(MutableString), gen.CurrentScopeVariable,
Ast.Dynamic(RubyCallAction.Make("inspect", RubyCallSignature.WithScope(0)), typeof(object),
gen.CurrentScopeVariable, resultVariable
)
)
);
body = gen.TransformStatements(prologue, _statements, epilogue, ResultOperation.Store(resultVariable));
}
else
{
body = gen.TransformStatements(prologue, _statements, ResultOperation.Return);
}
body = gen.AddReturnTarget(scope.CreateScope(body));
gen.LeaveSourceUnit();
return(Ast.Lambda <T>(
body,
RubyExceptionData.TopLevelMethodName,
parameters
));
}
internal MSA.Expression <T> /*!*/ Transform <T>(AstGenerator /*!*/ gen)
{
Debug.Assert(gen != null);
ScopeBuilder scope = DefineLocals();
MSA.ParameterExpression[] parameters;
MSA.ParameterExpression selfVariable;
MSA.ParameterExpression runtimeScopeVariable;
MSA.ParameterExpression blockParameter;
if (gen.CompilerOptions.FactoryKind == TopScopeFactoryKind.None ||
gen.CompilerOptions.FactoryKind == TopScopeFactoryKind.ModuleEval)
{
parameters = new MSA.ParameterExpression[4];
runtimeScopeVariable = parameters[0] = Ast.Parameter(typeof(RubyScope), "#scope");
selfVariable = parameters[1] = Ast.Parameter(typeof(object), "#self");
parameters[2] = Ast.Parameter(typeof(RubyModule), "#module");
blockParameter = parameters[3] = Ast.Parameter(typeof(Proc), "#block");
}
else
{
parameters = new MSA.ParameterExpression[2];
runtimeScopeVariable = parameters[0] = Ast.Parameter(typeof(RubyScope), "#scope");
selfVariable = parameters[1] = Ast.Parameter(typeof(object), "#self");
blockParameter = null;
}
gen.EnterSourceUnit(
scope,
selfVariable,
runtimeScopeVariable,
blockParameter,
gen.CompilerOptions.TopLevelMethodName, // method name for blocks
null // parameters for super calls
);
MSA.Expression body;
if (_statements.Count > 0)
{
if (gen.PrintInteractiveResult)
{
var resultVariable = scope.DefineHiddenVariable("#result", typeof(object));
var epilogue = Methods.PrintInteractiveResult.OpCall(runtimeScopeVariable,
AstUtils.LightDynamic(ConvertToSAction.Make(gen.Context), typeof(MutableString),
CallSiteBuilder.InvokeMethod(gen.Context, "inspect", RubyCallSignature.WithScope(0),
gen.CurrentScopeVariable, resultVariable
)
)
);
body = gen.TransformStatements(null, _statements, epilogue, ResultOperation.Store(resultVariable));
}
else
{
body = gen.TransformStatements(_statements, ResultOperation.Return);
}
// TODO:
var exceptionVariable = Ast.Parameter(typeof(Exception), "#exception");
body = AstUtils.Try(
body
).Filter(exceptionVariable, Methods.TraceTopLevelCodeFrame.OpCall(runtimeScopeVariable, exceptionVariable),
Ast.Empty()
);
}
else
{
body = AstUtils.Constant(null);
}
// scope initialization:
MSA.Expression prologue;
switch (gen.CompilerOptions.FactoryKind)
{
case TopScopeFactoryKind.None:
case TopScopeFactoryKind.ModuleEval:
prologue = Methods.InitializeScopeNoLocals.OpCall(runtimeScopeVariable, EnterInterpretedFrameExpression.Instance);
break;
case TopScopeFactoryKind.Hosted:
case TopScopeFactoryKind.File:
case TopScopeFactoryKind.WrappedFile:
prologue = Methods.InitializeScope.OpCall(
runtimeScopeVariable, scope.MakeLocalsStorage(), scope.GetVariableNamesExpression(),
EnterInterpretedFrameExpression.Instance
);
break;
case TopScopeFactoryKind.Main:
prologue = Methods.InitializeScope.OpCall(
runtimeScopeVariable, scope.MakeLocalsStorage(), scope.GetVariableNamesExpression(),
EnterInterpretedFrameExpression.Instance
);
if (_dataOffset >= 0)
{
prologue = Ast.Block(
prologue,
Methods.SetDataConstant.OpCall(
runtimeScopeVariable,
gen.SourcePathConstant,
AstUtils.Constant(_dataOffset)
)
);
}
break;
default:
throw Assert.Unreachable;
}
// BEGIN blocks:
if (gen.FileInitializers != null)
{
var b = new AstBlock();
b.Add(prologue);
b.Add(gen.FileInitializers);
b.Add(body);
body = b;
}
body = gen.AddReturnTarget(scope.CreateScope(body));
gen.LeaveSourceUnit();
return(Ast.Lambda <T>(body, GetEncodedName(gen), parameters));
}