public SyntaxPattern Add(IFunctionDeclaration declaration)
{
var syntaxPattern = new SyntaxPattern(declaration);
var overlap = _sorted.GetViewBetween(syntaxPattern, syntaxPattern);
switch (overlap.Count)
{
case 0: // no overlap => just add it
_sorted.Add(syntaxPattern);
break;
case 1: // one overlap exists => merge with new declaration
syntaxPattern = overlap.First();
MergeDeclaration(syntaxPattern, declaration);
break;
default: // multiple overlaps => join them to new pattern
// overlap is a view - only valid when _sorted is not changed
foreach (var pattern in overlap)
{
foreach (var member in pattern.Members)
{
MergeDeclaration(syntaxPattern, member);
}
}
_sorted.RemoveWhere(x => x.Overlaps(syntaxPattern)); // remove existing overlaps
_sorted.Add(syntaxPattern); // add the new bundle
break;
}
return(syntaxPattern);
}
/// <nodoc />
public static bool IsReturnTypeMutable([CanBeNull] this IFunctionDeclaration function, ISemanticModel semanticModel)
{
if (function == null)
{
return(false);
}
var type = function.Type;
string name = null;
if (type != null)
{
var symbol = semanticModel.GetSymbolAtLocation(type);
name = symbol?.Name;
}
if (name != null)
{
return(IsMutable(name));
}
// Slow path
var signature = semanticModel.TypeChecker.GetSignatureFromDeclaration(function);
var returnType = semanticModel.TypeChecker.GetReturnTypeOfSignature(signature);
return(returnType?.IsMutable() == true);
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-13.2
/// </summary>
/// <param name="engine"></param>
/// <param name="functionDeclaration"></param>
/// <param name="scope"></param>
/// <param name="strict"></param>
public ScriptFunctionInstance(Engine engine, IFunctionDeclaration functionDeclaration, LexicalEnvironment scope, bool strict)
: base(engine, functionDeclaration.Parameters.Select(x => x.Name).ToArray(), scope, strict)
{
_functionDeclaration = functionDeclaration;
Engine = engine;
Extensible = true;
Prototype = engine.Function.PrototypeObject;
DefineOwnProperty("length", new PropertyDescriptor(new JsValue(FormalParameters.Length), false, false, false), false);
var proto = engine.Object.Construct(Arguments.Empty);
proto.DefineOwnProperty("constructor", new PropertyDescriptor(this, true, false, true), false);
DefineOwnProperty("prototype", new PropertyDescriptor(proto, true, false, false), false);
if (_functionDeclaration.Id != null)
{
DefineOwnProperty("name", new PropertyDescriptor(_functionDeclaration.Id.Name, null, null, null), false);
}
if (strict)
{
var thrower = engine.Function.ThrowTypeError;
DefineOwnProperty("caller", new PropertyDescriptor(thrower, thrower, false, false), false);
DefineOwnProperty("arguments", new PropertyDescriptor(thrower, thrower, false, false), false);
}
}
public static int MandatoryRightArgumentCount(this IFunctionDeclaration declaration)
{
return(declaration.RightArguments.Count(
arg =>
!arg.IsUnrolled || // TODO: check for fixed array size
arg.Value == null));
}
private bool CheckBurstBannedAnalyzers(IFunctionDeclaration node)
{
var processor = new BurstBannedProcessor(myBurstBannedAnalyzers, node);
node.ProcessDescendants(processor);
return(processor.ProcessingIsFinished);
}
private bool CheckBurstBannedAnalyzers(IFunctionDeclaration node)
{
var processor = new BurstBannedProcessor(myBurstBannedAnalyzers);
node.ProcessDescendants(processor);
return(processor.IsBurstProhibited);
}
static void DeclareArguments(IFunctionDeclaration function, NamedCollection <IArgumentDeclaration> arguments, ICppScope scope, string kind)
{
if (arguments.IsEmpty())
{
return;
}
var typeName = GetFunctionTypeName(function.Name, kind);
scope.Declaration.AddLine($"struct {typeName} {{");
scope.WithDeclarationIndented(
innerScope => {
foreach (var argument in arguments)
{
var argTypeName = GetArgumentTypeName(argument.Type);
var argName = CppEscape(argument.Name);
if (argument.IsAssignable && kind != "Result")
{
innerScope.Declaration.AddLine($"{argTypeName}* {argName};");
if (arguments.Count == 1)
{
innerScope.Declaration.AddLine($"operator {argTypeName}() const {{ return *{argName}; }}");
}
}
else
{
innerScope.Declaration.AddLine($"{argTypeName} {argName};");
if (arguments.Count == 1)
{
innerScope.Declaration.AddLine($"operator {argTypeName}() const {{ return {argName}; }}");
}
}
}
});
scope.Declaration.AddLine(line: "};");
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-13.2
/// </summary>
/// <param name="engine"></param>
/// <param name="functionDeclaration"></param>
/// <param name="scope"></param>
/// <param name="strict"></param>
public ScriptFunctionInstance(Engine engine, IFunctionDeclaration functionDeclaration, LexicalEnvironment scope, bool strict)
: base(engine, functionDeclaration.Parameters.Select(x => x.Name).ToArray(), scope, strict)
{
_functionDeclaration = functionDeclaration;
Engine = engine;
Extensible = true;
Prototype = engine.Function.PrototypeObject;
DefineOwnProperty("length", new PropertyDescriptor(new JsValue(FormalParameters.Length), false, false, false ), false);
var proto = engine.Object.Construct(Arguments.Empty);
proto.DefineOwnProperty("constructor", new PropertyDescriptor(this, true, false, true), false);
DefineOwnProperty("prototype", new PropertyDescriptor(proto, true, false, false ), false);
if (_functionDeclaration.Id != null)
{
DefineOwnProperty("name", new PropertyDescriptor(_functionDeclaration.Id.Name, null, null, null), false);
}
if (strict)
{
var thrower = engine.Function.ThrowTypeError;
DefineOwnProperty("caller", new PropertyDescriptor(thrower, thrower, false, false), false);
DefineOwnProperty("arguments", new PropertyDescriptor(thrower, thrower, false, false), false);
}
}
static void DeclareFunction(IFunctionDeclaration function, ICppScope scope)
{
DeclareArguments(function, function.LeftArguments, scope, kind: "Left");
DeclareArguments(function, function.RightArguments, scope, kind: "Right");
DeclareArguments(function, function.Results, scope, kind: "Result");
DeclareFunctionBody(function, scope);
}
//public SyntaxPattern Find(string name, int argumentCount);
//public SyntaxPattern Find(IFunctionDeclaration declaration);
public SyntaxPattern Add(IFunctionDeclaration declaration)
{
var syntax = _index.GetOrAdd(
declaration.Name,
() => new SyntaxPatternPool());
return(syntax.Add(declaration));
}
protected override void Analyze(IFunctionDeclaration t, IDaemonProcess daemonProcess, DaemonProcessKind kind,
IHighlightingConsumer consumer)
{
if (LineMarkerStatus.Value == PerformanceHighlightingMode.Always)
{
consumer.AddHighlighting(new UnityPerformanceCriticalCodeLineMarker(t.GetNameDocumentRange()));
}
}
protected override void Analyze(IFunctionDeclaration t,
IHighlightingConsumer consumer, IReadOnlyCallGraphContext context)
{
if (LineMarkerStatus.Value == PerformanceHighlightingMode.Always)
{
consumer.AddHighlighting(new UnityPerformanceCriticalCodeLineMarker(t.GetNameDocumentRange()));
}
}
static IBindingLevel Create(IFunctionDeclaration declaration, Associativity associativity)
{
var result = new BindingLevel {
Associaticity = associativity
};
// add syntax pattern
return(result);
}
void AssertFunctionDecl(IFunctionDeclaration expected, IFunctionDeclaration actual)
{
Assert.AreEqual(expected.Name, actual.Name);
//Assert.AreEqual(expected.IsRuntimeUsable, actual.IsRuntimeUsable);
//Assert.AreEqual(expected.IsCompileTimeUsable, actual.IsCompileTimeUsable);
AssertArguments(expected.LeftArguments, actual.LeftArguments, name: "Left");
AssertArguments(expected.RightArguments, actual.RightArguments, name: "Right");
AssertArguments(expected.Results, actual.Results, name: "Results");
}
public static bool HasSpecificAttribute(IFunctionDeclaration functionDeclaration, string name)
{
var declaredElement = functionDeclaration.DeclaredElement;
if (declaredElement == null)
{
return(false);
}
return(declaredElement.GetAttributeInstances(true)
.Any(t => t.GetClrName().ShortName.Equals(name)));
}
public static int?MaxRightArgumentCount(this IFunctionDeclaration declaration)
{
var count = declaration.RightArguments.Count;
foreach (var argument in declaration.RightArguments)
{
if (argument.IsUnrolled)
{
return(null); // TODO: check for fixed array size
}
}
return(count);
}
static void MergeDeclaration(SyntaxPattern syntaxPattern, IFunctionDeclaration declaration)
{
if (syntaxPattern.Members.Contains(declaration))
{
return;
}
syntaxPattern.MinArgumentCount = Math.Min(syntaxPattern.MinArgumentCount, declaration.MandatoryRightArgumentCount());
if (syntaxPattern.MaxArgumentCount.HasValue)
{
var max = declaration.MaxRightArgumentCount();
syntaxPattern.MaxArgumentCount = !max.HasValue
? null
: (int?)Math.Max(syntaxPattern.MaxArgumentCount.Value, max.Value);
}
syntaxPattern.Members.Add(declaration);
}
public VBinaryOp(IFunctionDeclaration functionDeclaration)
{
function = functionDeclaration;
symbol = functionDeclaration.name;
firstArgPlaceHolder = new ArgumentPlaceholder(this);
secondArgPlaceHolder = new ArgumentPlaceholder(this);
firstArgPlaceHolder.Parent = this;
secondArgPlaceHolder.Parent = this;
OpSymbol = new CustomLabel(symbol, BackColor);
OpSymbol.Parent = this;
UpdateSize();
BackColor = ColorSettings.Get("BinaryOp");
}
private void AnalyzeFunctionDeclaration(IFunctionDeclaration source)
{
var modifiers = GetModifiers(source);
AddOrCreateDeclarationSymbol(SymbolKind.FunctionDeclaration, source.Name.Text, modifiers);
AnalyzeDecorators(source);
using (m_currentLocationStack.AutoPush(source.Name.Text))
{
AnalyzeCallSignature(source);
if (source.Body != null)
{
AnalyzeStatements(source.Body.Statements);
}
}
}
public Scope CreateChildScope(IFunctionDeclaration function)
{
var builder = DeclaredIdentifiers.ToBuilder();
//TODO: declarations
//TODO: type labels
foreach (var parameter in function.Parameters)
{
builder[parameter.Name] = parameter;
}
foreach (var variable in function.LocalVariables)
{
builder[variable.Name] = variable;
}
return(new Scope(builder.ToImmutable(), DeclaredDataTypes));
}
/// <nodoc />
public static bool HasMutableParameterType([CanBeNull] this IFunctionDeclaration function, ISemanticModel semanticModel)
{
if (function == null)
{
return(false);
}
var signature = semanticModel.TypeChecker.GetResolvedSignature(function);
foreach (var p in signature.Parameters)
{
if (IsMutable(GetTypeOfSymbol(p, semanticModel)))
{
return(true);
}
}
return(false);
}
static void DeclareFunctionBody(IFunctionDeclaration function, ICppScope scope)
{
var noResult = function.Results.IsEmpty();
var noLeft = function.LeftArguments.IsEmpty();
var noRight = function.RightArguments.IsEmpty();
var resultType = noResult ? "void" : GetFunctionTypeName(function.Name, kind: "Result");
var left = string.Empty;
var leftLocal = string.Empty;
var right = string.Empty;
var rightLocal = string.Empty;
if (!noLeft)
{
leftLocal = scope.MakeLocalName(hint: "left");
left = GetFunctionTypeName(function.Name, kind: "Left") + " " + leftLocal;
}
if (!noRight)
{
rightLocal = scope.MakeLocalName(hint: "right");
right = (noLeft ? "" : ", ") + GetFunctionTypeName(function.Name, kind: "Right") + " " + rightLocal;
}
scope.Declaration.AddLine($"inline {resultType} {CppEscape(function.Name)}({left}{right}) {{");
scope.WithDeclarationIndented(
innerScope => {
MakeArgumentLocals(function.LeftArguments, leftLocal, innerScope);
MakeArgumentLocals(function.RightArguments, rightLocal, innerScope);
MakeResultLocals(function.Results, innerScope);
Dynamic(function.Implementation, innerScope);
if (!noResult)
{
var resultLocal = scope.MakeLocalName(hint: "result");
innerScope.Runtime.AddLine($"{resultType} {resultLocal};");
AssignResultsFromLocals(resultLocal, function.Results, innerScope);
innerScope.Runtime.AddLine($"return {resultLocal};");
}
});
scope.Declaration.AddLine(line: "}");
}
private void ProcessFunctionDeclaration(
IFunctionDeclaration function,
ParserContext context)
{
string name;
bool isAnonymous = false;
if (function.Id != null)
{
name = function.Id.Name;
}
else
{
name = context.GetNameFromStack();
isAnonymous = name.EndsWith("?");
}
var pars = string.Join(",",
function.Parameters.Select(p => p.Name).ToArray());
pars = pars.Shortenize(_settings.MaxParametersLength);
var syntaxNode = (SyntaxNode)function;
var codeNode = new CodeNode
{
Alias = name + "(" + pars + ")",
NodeType = isAnonymous ? CodeNodeType.AnonymousFunction : CodeNodeType.Function,
StartLine = syntaxNode.Location.Start.Line,
StartColumn = syntaxNode.Location.Start.Column,
EndLine = syntaxNode.Location.End.Line,
EndColumn = syntaxNode.Location.End.Column,
Comment = _comments.GetComment(syntaxNode.Location.Start.Line, syntaxNode.Location.End.Line)
};
Hierarchy <CodeNode> hi = context.Nodes.Add(codeNode);
ProcessStatement(function.Body, new ParserContext(hi));
}
public static bool HasAnalysisComment([CanBeNull] IFunctionDeclaration functionDeclaration, string comment, ReSharperControlConstruct.Kind status)
{
if (functionDeclaration == null)
{
return(false);
}
var current = functionDeclaration.PrevSibling;
while (current is IWhitespaceNode || current is ICSharpCommentNode)
{
while (current is IWhitespaceNode)
{
current = current.PrevSibling;
}
while (current is ICSharpCommentNode commentNode)
{
var str = commentNode.CommentText;
var configuration = ReSharperControlConstruct.ParseCommentText(str);
if (configuration.Kind == status)
{
foreach (var id in configuration.GetControlIds())
{
if (id == comment)
{
return(true);
}
}
}
current = current.PrevSibling;
}
}
return(false);
}
public static bool HasFrequentlyCalledMethodAttribute(IFunctionDeclaration functionDeclaration)
{
return(HasSpecificAttribute(functionDeclaration, "FrequentlyCalledMethodAttribute"));
}
/// <inheritdoc />
public override void VisitFunctionDeclaration(IFunctionDeclaration node)
{
m_currentReferenceKinds.Push(m_codex.FunctionScopedVariable);
base.VisitFunctionDeclaration(node);
m_currentReferenceKinds.Pop();
}
private static void AnalyzeLocalFunctionDeclaration(IFunctionDeclaration source, int idx)
{
// Local functions are not supported
}
public BoundBuiltInFunctionCallExpression(IFunctionDeclaration function, IEnumerable <BoundExpression> parameters)
{
Function = function;
Parameters = parameters;
}
public JsFunction CreateFunction(IFunctionDeclaration functionDeclaration)
{
JsFunction f = Global.FunctionClass.New();
f.Statement = functionDeclaration.Statement;
f.Name = functionDeclaration.Name;
foreach (JsDictionaryObject scope in Scopes)
{
f.DeclaringScopes.Add(scope);
}
// add a return undefined; statement at the end of each method
BlockStatement block = (BlockStatement)f.Statement;
if (block.Statements.Count == 0)
{
block.Statements.AddLast(new ReturnStatement(new PropertyExpression(JsUndefined.TYPEOF)));
}
f.Arguments = functionDeclaration.Parameters;
if (HasOption(Options.Strict))
{
foreach (string arg in f.Arguments)
{
if (arg == "eval" || arg == "arguments")
throw new JsException(Global.StringClass.New("The parameters do not respect strict mode"));
}
}
return f;
}
internal FunctionInstance(IFunctionDeclaration decl)
{
Name = decl.Name;
Declaration = decl;
}
/// <summary>
/// Validates and Tries to extract the information function from the function
/// </summary>
public static bool TryExtractFunction(Logger logger, ISourceFile sourceFile, IFunctionDeclaration possibleFunction, IDictionary <string, string> lkgFiles, out TestFunction testFunction)
{
testFunction = null;
var location = possibleFunction.GetLineInfo(sourceFile).ToLineAndColumn();
var shortName = possibleFunction.Name.Text;
var fullName = shortName;
INode current = possibleFunction.Parent;
while (current != null)
{
switch (current.Kind)
{
case SyntaxKind.SourceFile:
case SyntaxKind.ModuleBlock:
current = current.Parent;
break;
case SyntaxKind.ModuleDeclaration:
var moduleDecl = (IModuleDeclaration)current;
fullName = moduleDecl.Name.Text + "." + fullName;
current = current.Parent;
break;
default:
logger.LogError(sourceFile, possibleFunction, "Only top-level functions are allowed to be declared as UnitTests.");
return(false);
}
}
if (!possibleFunction.Flags.HasFlag(NodeFlags.Export))
{
logger.LogError(sourceFile, possibleFunction, C($"UnitTest function '{fullName}' must be exported"));
return(false);
}
if (possibleFunction.Type != null && possibleFunction.Type.Kind != SyntaxKind.VoidKeyword)
{
logger.LogError(sourceFile, possibleFunction, C($"UnitTest function '{fullName}' cannot return a value. It must be a 'void' function"));
return(false);
}
if (possibleFunction.Parameters.Count > 0)
{
logger.LogError(sourceFile, possibleFunction, C($"UnitTest function '{fullName}' cannot have any parameters"));
return(false);
}
if (possibleFunction.TypeParameters != null && possibleFunction.TypeParameters.Count > 0)
{
logger.LogError(sourceFile, possibleFunction, C($"UnitTest function '{fullName}' cannot be generic"));
return(false);
}
if (possibleFunction.Body == null)
{
logger.LogError(sourceFile, possibleFunction, C($"UnitTest function '{fullName}' must declare a function body"));
return(false);
}
string lkgFilePath = null;
var lkgKey = Args.ComputeLkgKey(sourceFile.FileName, shortName);
lkgFiles.TryGetValue(lkgKey, out lkgFilePath);
// Remove it to mark it is already processed
lkgFiles.Remove(lkgKey);
testFunction = new TestFunction(shortName, fullName, location, lkgFilePath);
return(true);
}
public JsFunction CreateFunction(IFunctionDeclaration functionDeclaration)
{
JsFunction f = Global.FunctionClass.New();
f.Statement = functionDeclaration.Statement;
f.Name = functionDeclaration.Name;
f.Scope = CurrentScope; // copy current scope hierarchy
f.Arguments = functionDeclaration.Parameters;
if (HasOption(Options.Strict)) {
foreach (string arg in f.Arguments) {
if (arg == "eval" || arg == "arguments")
throw new JsException(Global.StringClass.New("The parameters do not respect strict mode"));
}
}
return f;
}
public JsFunction CreateFunction(IFunctionDeclaration functionDeclaration) {
JsFunction f = Global.FunctionClass.New();
var statementsWithDefaultReturn = new BlockStatement();
// injects a default return statement at the end of each function
statementsWithDefaultReturn.Statements.AddLast(functionDeclaration.Statement);
statementsWithDefaultReturn.Statements.AddLast(new ReturnStatement(new Identifier("undefined")));
f.Statement = statementsWithDefaultReturn;
f.Name = functionDeclaration.Name;
f.Scope = CurrentScope; // copy current scope hierarchy
f.Arguments = functionDeclaration.Parameters;
if (HasOption(Options.Strict)) {
foreach (string arg in f.Arguments) {
if (arg == "eval" || arg == "arguments")
throw new JsException(Global.StringClass.New("The parameters do not respect strict mode"));
}
}
return f;
}
/// <inheritdoc />
public override void VisitFunctionDeclaration(IFunctionDeclaration node)
{
Register(node, node.Flags, DocNodeType.Function, node.Name.Text, base.VisitFunctionDeclaration);
}
private void ProcessFunctionDeclaration(
IFunctionDeclaration function,
ParserContext context)
{
string name;
bool isAnonymous = false;
if (function.Id != null)
{
name = function.Id.Name;
}
else
{
name = context.GetNameFromStack();
isAnonymous = name.EndsWith("?");
}
var pars = string.Join(",",
function.Parameters.Select(p => p.Name).ToArray());
pars = pars.Shortenize(_settings.MaxParametersLength);
var syntaxNode = (SyntaxNode) function;
var codeNode = new CodeNode
{
Alias = name + "(" + pars + ")",
NodeType = isAnonymous ? CodeNodeType.AnonymousFunction : CodeNodeType.Function,
StartLine = syntaxNode.Location.Start.Line,
StartColumn = syntaxNode.Location.Start.Column,
EndLine = syntaxNode.Location.End.Line,
EndColumn = syntaxNode.Location.End.Column,
Comment = _comments.GetComment(syntaxNode.Location.Start.Line, syntaxNode.Location.End.Line)
};
Hierarchy<CodeNode> hi = context.Nodes.Add(codeNode);
ProcessStatement(function.Body, new ParserContext(hi));
}