static bool TypeMatches(FunctionDeclaration decl, List <TypeSpec> ts, List <SwiftType> st, TypeMapper typeMap)
{
if (ts == null || st == null)
{
return(false);
}
if (ts.Count != st.Count)
{
return(false);
}
if (ts.Count == 1)
{
// Thanks swift, you're the best...
if (IsVoid(ts [0]) && st [0].IsEmptyTuple)
{
return(true);
}
}
for (int i = 0; i < ts.Count; i++)
{
if (!TypeMatches(decl, ts [i], st [i], typeMap))
{
return(false);
}
}
return(true);
}
static bool TypeMatches(FunctionDeclaration decl, NamedTypeSpec ts, SwiftBuiltInType st, TypeMapper typeMap)
{
if (st == null)
{
return(false);
}
if (ts.IsInOut != st.IsReference)
{
return(false);
}
switch (st.BuiltInType)
{
case CoreBuiltInType.Bool:
return(ts.Name == "Swift.Bool");
case CoreBuiltInType.Double:
return(ts.Name == "Swift.Double");
case CoreBuiltInType.Float:
return(ts.Name == "Swift.Float");
case CoreBuiltInType.Int:
return(ts.Name == "Swift.Int");
case CoreBuiltInType.UInt:
return(ts.Name == "Swift.UInt");
default:
throw new ArgumentOutOfRangeException("st");
}
}
static bool TypeMatches(FunctionDeclaration decl, NamedTypeSpec ts, SwiftExistentialMetaType st, TypeMapper typeMap)
{
if (st == null)
{
return(false);
}
if (st.Protocol.Protocols.Count != 1)
{
return(false);
}
var protoClass = st.Protocol.Protocols [0];
if (ts.Name == "Any.Type")
{
return(protoClass.ClassName.ToFullyQualifiedName() == "Swift.Any");
}
if (ts.Name == protoClass.ClassName.ToFullyQualifiedName())
{
return(true);
}
if (ts.Name.EndsWith(".Type", StringComparison.Ordinal))
{
var maybeClassName = ts.Name.Substring(0, ts.Name.Length - ".Type".Length);
return(maybeClassName == protoClass.ClassName.ToFullyQualifiedName());
}
return(false);
}
void FindsProperty(string code, Func <ClassDeclaration, bool> classFinder,
Func <PropertyDeclaration, bool> propFinder)
{
CustomSwiftCompiler compiler = Utils.CompileSwift(code, moduleName: "CanFind");
var errors = new ErrorHandling();
ModuleInventory mi = ModuleInventory.FromFile(Path.Combine(compiler.DirectoryPath, "libCanFind.dylib"), errors);
ModuleDeclaration mod = compiler.ReflectToModules(new string [] { compiler.DirectoryPath },
new string [] { compiler.DirectoryPath }, null, "CanFind") [0];
ClassDeclaration classDecl = mod.AllClasses.FirstOrDefault(classFinder);
Assert.IsNotNull(classDecl, "null class");
PropertyDeclaration propDecl = classDecl.Members.OfType <PropertyDeclaration> ().FirstOrDefault(propFinder);
Assert.IsNotNull(propDecl, "null property");
FunctionDeclaration getter = propDecl.GetGetter();
Assert.IsNotNull(getter, "null getter");
FunctionDeclaration setter = propDecl.GetSetter();
Assert.IsNotNull(setter, "null setter");
TLFunction tlgetter = XmlToTLFunctionMapper.ToTLFunction(getter, mi);
Assert.IsNotNull(tlgetter, "null tlgetter");
TLFunction tlsetter = XmlToTLFunctionMapper.ToTLFunction(setter, mi);
Assert.IsNotNull(tlsetter, "null tlsetter");
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration fdecl){
if (fdecl == null) return null;
Method method = fdecl.Method = new Method();
method.Name = fdecl.Name;
this.scope.Members.Add(method);
return fdecl;
}
private IodineMethod CompileMethod(FunctionDeclaration funcDecl)
{
symbolTable.NextScope();
IodineMethod methodBuilder = new IodineMethod(module, funcDecl.Name, funcDecl.InstanceMethod,
funcDecl.Parameters.Count,
symbolTable.CurrentScope.SymbolCount);
FunctionCompiler compiler = new FunctionCompiler(symbolTable,
methodBuilder);
methodBuilder.Variadic = funcDecl.Variadic;
methodBuilder.AcceptsKeywordArgs = funcDecl.AcceptsKeywordArgs;
for (int i = 0; i < funcDecl.Parameters.Count; i++)
{
methodBuilder.Parameters [funcDecl.Parameters [i]] = symbolTable.GetSymbol
(funcDecl.Parameters [i]).Index;
}
funcDecl.Children [0].Visit(compiler);
AstNode lastNode = funcDecl.Children [0].LastOrDefault();
if (lastNode != null)
{
methodBuilder.EmitInstruction(lastNode.Location, Opcode.LoadNull);
}
else
{
methodBuilder.EmitInstruction(funcDecl.Location, Opcode.LoadNull);
}
methodBuilder.FinalizeLabels();
symbolTable.LeaveScope();
return(methodBuilder);
}
bool ClosureTypesMatch(FunctionDeclaration protoFunc, ClosureTypeSpec protoType, FunctionDeclaration classFunc, ClosureTypeSpec classType)
{
var argsMatch = TypesMatch(protoFunc, protoType.Arguments, classFunc, classType.Arguments);
var retsMatch = TypesMatch(protoFunc, protoType.ReturnType, classFunc, classType.ReturnType);
return(argsMatch && retsMatch);
}
internal FnPointer(Delegate d, CallingConvention convention)
{
var def = d.Method.GetBaseDefinition();
var pars = def.GetParameters();
if (Constants.X64)
{
var dt = DelegateCreator.NewDelegateType(def.ReturnType, pars.Select(p => p.ParameterType).ToArray());
var fd = Delegate.CreateDelegate(dt, d.Target, d.Method);
var ptr = Marshal.GetFunctionPointerForDelegate(fd);
Int64 = ptr.ToInt64();
}
else
{
// var ptr = Marshal.GetFunctionPointerForDelegate(d);
// convention = CallingConvention.X86CDecl;
// Int64 = ptr.ToInt64();
// TODO: Need fixing!!!
throw new NotImplementedException("Managed method cannot be called from machine code in X86 mode by now.");
}
var args = pars.Select(p => p.ParameterType.GetVariableType()).ToArray();
var ret = def.ReturnType.GetVariableType();
FunctionDeclaration = new FunctionDeclaration(convention, args, ret);
}
internal CallNode CreateCall(Operand op, FunctionDeclaration fn)
{
var node = new CallNode(op, fn);
AddNode(node);
return(node);
}
private static void Process(this ExtendedId extendedId, bool isVariable = true)
{
var scope = extendedId.Scope;
if (isVariable)
{
var declaration = scope.GlobalVariableSearch(extendedId.Name);
if (declaration == null)
{
throw new ScopeException($"Variable with name \"{extendedId.Name}\" does not exist");
}
extendedId.VariableDeclaration = declaration;
if (!declaration.Initialized)
{
throw new ScopeException(
$"Variable with name \"{extendedId.Name}\" was not initialized before accessing");
}
extendedId.ReturnType = declaration.ReturnType;
}
else
{
FunctionDeclaration declaration = scope.GlobalFunctionSearch(extendedId.Name);
extendedId.ReturnType = declaration != null
? declaration.ReturnType
: throw new ScopeException($"Variable with name \"{extendedId.Name}\" does not exist.");
}
}
internal FunctionSymbol(
SourceFileSymbol declaringSourceFile,
string name,
FunctionDeclaration declaration)
: base(declaringSourceFile, name, declaration)
{
var parameters = ImmutableArray <ParameterSymbol> .Empty;
int paramCount = declaration.Parameters.Length;
if (paramCount > 0)
{
var builder = ImmutableArray.CreateBuilder <ParameterSymbol>(paramCount);
_parameterMap = new Dictionary <string, ParameterSymbol>();
foreach (Parameter paramSyntax in declaration.Parameters)
{
var parameter = new ParameterSymbol(this, paramSyntax.Name);
builder.Add(parameter);
_parameterMap.Add(parameter.Name, parameter);
}
parameters = builder.ToImmutable();
}
Parameters = parameters;
Declaration = declaration;
}
public override void VisitFunctionDeclaration(FunctionDeclaration node, AstPrinterContext context)
{
if (node.TypeSpecifier != null)
{
this.Visit(node.TypeSpecifier, context);
context.Write(" ");
}
this.Visit(node.Name, context);
context.Write("(");
var i = 0;
foreach (var p in node.Parameters)
{
this.Visit(p, context);
i++;
if (i < node.Parameters.Count)
{
context.Write(", ");
}
}
context.Write(")");
if (node.Statement != null)
{
context.StartNewLine();
this.Visit(node.Statement, context);
}
else
{
context.Write(";");
}
}
public static void CheckName(this FunctionDeclaration functionDeclaration, Scope scopeToCheck)
{
if (scopeToCheck.ContainsFunction(functionDeclaration.Name))
{
throw new ScopeException($"Function with name: \"{functionDeclaration.Name}\" already exists");
}
}
protected override void VisitFunctionDeclaration(FunctionDeclaration functionDeclaration)
{
// name, params skipped
BeginNameScope(functionDeclaration.Params);
Visit(functionDeclaration.Body);
EndNameScope();
}
private void Check(CodeElement e, SymbolTable table, FunctionCall call, FunctionDeclaration definition)
{
var parameters = definition.Profile.Parameters;
if (call.InputParameters.Count > parameters.Count) {
var m = System.String.Format("Function {0} only takes {1} parameters", definition.Name, parameters.Count);
DiagnosticUtils.AddError(e, m);
}
for (int c = 0; c < parameters.Count; c++) {
var expected = parameters[c];
if (c < call.InputParameters.Count) {
var actual = call.InputParameters[c];
if (actual.IsLiteral) continue;
var found = table.GetVariable(new URI(actual.Value));
if (found.Count < 1) DiagnosticUtils.AddError(e, "Parameter "+actual.Value+" is not referenced");
if (found.Count > 1) DiagnosticUtils.AddError(e, "Ambiguous reference to parameter "+actual.Value);
if (found.Count!= 1) continue;
var type = found[0] as Typed;
// type check. please note:
// 1- if only one of [actual|expected] types is null, overriden DataType.!= operator will detect it
// 2- if both are null, we WANT it to break: in TypeCobol EVERYTHING should be typed,
// and things we cannot know their type as typed as DataType.Unknown (which is a non-null valid type).
if (type == null || type.DataType != expected.DataType) {
var m = System.String.Format("Function {0} expected parameter {1} of type {2} (actual: {3})", definition.Name, c+1, expected.DataType, type.DataType);
DiagnosticUtils.AddError(e, m);
}
if (type != null && type.Length > expected.Length) {
var m = System.String.Format("Function {0} expected parameter {1} of max length {2} (actual: {3})", definition.Name, c+1, expected.Length, type.Length);
DiagnosticUtils.AddError(e, m);
}
} else {
var m = System.String.Format("Function {0} is missing parameter {1} of type {2}", definition.Name, c+1, expected.DataType);
DiagnosticUtils.AddError(e, m);
}
}
}
/// <summary>
/// Alles ok met de functiedeclaratie?
/// Nog niks op de stack...?
/// Op de stack zetten
/// </summary>
/// <param name="l"></param>
public void Visit(FunctionDeclaration l)
{
if (CheckGeneric(l))
{
return;
}
// We moeten een variabele hebben en een type, niet perse een initialisatie
if (l.ResultType == String.Empty)
{
_errors.Add(new TypenameExpectedException(l.SourceCodeContext));
return;
}
if (l.Name == String.Empty)
{
_errors.Add(new IdentifierExpectedException(l.SourceCodeContext));
return;
}
if (l.ParListFound)
{
foreach (FunctionParameterDeclaration fpd in l.ParList)
{
if (fpd.ParType == String.Empty)
{
_errors.Add(new TypenameExpectedException(l.SourceCodeContext));
continue;
}
if (fpd.ParName == String.Empty)
{
_errors.Add(new IdentifierExpectedException(l.SourceCodeContext));
}
}
}
_tomatch.Add(l);
}
public void TestFunctionRedeclaration()
{
var f = new FunctionDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
"f",
UnitType.Instance,
new List <VariableDeclaration>(),
new InstructionBlock(new Range(new StringLocation(0), new StringLocation(1)), new List <Expression>()),
false);
var f2 = new FunctionDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
"f",
UnitType.Instance,
new List <VariableDeclaration>(),
new InstructionBlock(new Range(new StringLocation(0), new StringLocation(1)), new List <Expression>()),
false);
var diagnosticsMock = new Moq.Mock <IDiagnostics>();
var diagnostics = diagnosticsMock.Object;
var resolver = new NameResolver();
var functions = new List <FunctionDeclaration> {
f, f2
};
var root = new Program(
new Range(new StringLocation(0), new StringLocation(1)),
new List <StructDeclaration>(),
functions);
Assert.ThrowsException <NameResolverException>(() => this.nameResolver.Run(root, diagnostics));
MockDiagnostics.Verify(diagnosticsMock, NameResolver.MultipleDeclarationsDiagnostic);
}
public static TLFunction ToTLFunction(FunctionDeclaration decl, ModuleContents contents, TypeMapper typeMap)
{
string nameToSearch = GetNameToSearchOn(decl);
var funcs = FuncsToSearch(contents, decl, nameToSearch);
return(MatchFunctionDecl(decl, funcs, typeMap));
}
public static void OnNode(FunctionDeclaration functionDeclaration)
{
var header = functionDeclaration?.CodeElement as FunctionDeclarationHeader;
if (header == null)
{
return; //not my job
}
var filesection = functionDeclaration.Get <FileSection>("file");
if (filesection != null) // TCRFUN_DECLARATION_NO_FILE_SECTION
{
DiagnosticUtils.AddError(filesection,
"Illegal FILE SECTION in function \"" + header.Name + "\" declaration");
}
CheckNoGlobalOrExternal(functionDeclaration.Get <DataDivision>("data-division"));
CheckNoLinkageItemIsAParameter(functionDeclaration.Get <LinkageSection>("linkage"), header.Profile);
CheckParameters(header.Profile, functionDeclaration);
CheckNoPerform(functionDeclaration.SymbolTable.EnclosingScope, functionDeclaration);
var headerNameURI = new URI(header.Name);
var functions = functionDeclaration.SymbolTable.GetFunction(headerNameURI, functionDeclaration.Profile);
if (functions.Count > 1)
{
DiagnosticUtils.AddError(functionDeclaration,
"A function \"" + headerNameURI.Head + "\" with the same profile already exists in namespace \"" +
headerNameURI.Tail + "\".");
}
}
static bool TypeMatches(FunctionDeclaration decl, ClosureTypeSpec cs, SwiftType st, TypeMapper typeMap)
{
SwiftBaseFunctionType bft = st as SwiftBaseFunctionType;
return(TypeMatches(decl, cs.Arguments, bft.Parameters, typeMap) &&
TypeMatches(decl, cs.ReturnType, bft.ReturnType, typeMap));
}
public void FindsPropertyGetterAndSetterFuncs()
{
string code = "public class Bar { public var x:Int = 0; }";
CustomSwiftCompiler compiler = Utils.CompileSwift(code, moduleName: "CanFind");
ModuleDeclaration mod = compiler.ReflectToModules(new string [] { compiler.DirectoryPath },
new string [] { compiler.DirectoryPath }, null, "CanFind") [0];
ClassDeclaration classDecl = mod.AllClasses.FirstOrDefault(cl => cl.Name == "Bar");
Assert.IsNotNull(classDecl);
PropertyDeclaration propDecl = classDecl.Members.OfType <PropertyDeclaration> ().FirstOrDefault(p => p.Name == "x");
Assert.IsNotNull(propDecl);
FunctionDeclaration getter = propDecl.GetGetter();
Assert.IsNotNull(getter);
FunctionDeclaration setter = propDecl.GetSetter();
Assert.IsNotNull(setter);
}
static bool TypeMatches(FunctionDeclaration decl, NamedTypeSpec ts, SwiftType st, TypeMapper typeMap)
{
switch (st.Type)
{
case CoreCompoundType.Scalar:
return(TypeMatches(decl, ts, st as SwiftBuiltInType, typeMap));
case CoreCompoundType.Class:
return(TypeMatches(decl, ts, st as SwiftClassType, typeMap));
case CoreCompoundType.MetaClass:
if (st is SwiftExistentialMetaType exist)
{
return(TypeMatches(decl, ts, exist, typeMap));
}
else
{
return(TypeMatches(decl, ts, st as SwiftMetaClassType, typeMap));
}
case CoreCompoundType.BoundGeneric:
return(TypeMatches(decl, ts, st as SwiftBoundGenericType, typeMap));
case CoreCompoundType.ProtocolList:
return(TypeMatches(decl, ts, st as SwiftProtocolListType, typeMap));
case CoreCompoundType.GenericReference:
return(TypeMatches(decl, ts, st as SwiftGenericArgReferenceType, typeMap));
case CoreCompoundType.Struct:
default:
return(false);
}
}
public void visit(FunctionDeclaration that)
{
that.Type.visit(this);
Console.Write(" {0}(", that.Name);
foreach (ParameterDeclaration parameter in that.Parameters)
{
parameter.visit(this);
if (parameter != that.Parameters[that.Parameters.Length - 1])
{
Console.Write(", ");
}
}
Console.WriteLine(")");
Console.WriteLine("{");
Console.Write("return ");
if (that.Body != null)
{
that.Body.visit(this);
}
else
{
Console.Write("null");
}
Console.WriteLine(";");
Console.WriteLine("}");
}
bool TypesMatch(FunctionDeclaration protoFunc, TypeSpec protoType, FunctionDeclaration classFunc, TypeSpec classType)
{
if (protoType.Kind != classType.Kind)
{
return(false);
}
if (protoType.Equals(classType))
{
return(true);
}
switch (protoType.Kind)
{
case TypeSpecKind.Closure:
return(ClosureTypesMatch(protoFunc, protoType as ClosureTypeSpec, classFunc, classType as ClosureTypeSpec));
case TypeSpecKind.Named:
return(NamedTypesMatch(protoFunc, protoType as NamedTypeSpec, classFunc, classType as NamedTypeSpec));
case TypeSpecKind.ProtocolList:
return(ProtoListTypesMatch(protoFunc, protoType as ProtocolListTypeSpec, classFunc, classType as ProtocolListTypeSpec));
case TypeSpecKind.Tuple:
return(TupleTypesMatch(protoFunc, protoType as TupleTypeSpec, classFunc, classType as TupleTypeSpec));
default:
throw new NotImplementedException($"Unknown TypeSpec kind {protoType.Kind}");
}
}
private string GetFunction(FunctionDeclaration func, string[] splitScripts)
{
var stringBuilder = new StringBuilder();
if (func.LineStart == func.LineEnd)
{
stringBuilder
.Append($"{splitScripts[func.LineStart - 1].Substring(func.ColumnStart, (func.ColumnEnd - func.ColumnStart))}\r\n");
}
else
{
for (int i = func.LineStart - 1; i < func.LineEnd; i++)
{
if (func.LineStart - 1 == i)
{
stringBuilder
.Append($"{splitScripts[i].Substring(func.ColumnStart, splitScripts[i].Length - func.ColumnStart)}\r\n");
}
else if (func.LineEnd - 1 == i)
{
stringBuilder.Append($"{splitScripts[i].Substring(0, func.ColumnEnd)}\r\n");
}
else
{
stringBuilder.Append($"{splitScripts[i]}\r\n");
}
}
}
return(stringBuilder.ToString());
}
public object VisitFunctionDeclaration(FunctionDeclaration functionDeclaration, object o)
{
functionDeclaration.ParameterList.Visit(this);
functionDeclaration.Statements.Visit(this, functionDeclaration);
return(null);
}
private SyntaxTree(int entryPoint, params Parser.Program[] program)
{
// a syntax tree contains all declarative statements in a pack of files. it ignores other
// executive statements and the sequence of them.
int index = 0;
foreach (var selected in program)
{
FunctionDeclaration entryFunction = new FunctionDeclaration(new Literal("___entry"));
prog?.Result.Diagnostics.AddRange(selected.Result.Diagnostics);
foreach (var stmt in selected.Body)
{
this.Diagnostics.File = selected.Result.File;
if (stmt is DeclarationBlock decl)
{
VisitBlock(decl);
prog?.Body.Add(decl);
}
else if (index == entryPoint)
{
entryFunction.Statements.Add(stmt);
}
}
if (index == entryPoint)
{
VisitBlock(entryFunction);
prog?.Body.Add(entryFunction);
}
index++;
}
}
/// <summary>
/// Creates the lua code function.
/// </summary>
/// <param name="dte">The DTE.</param>
/// <param name="parent">The parent.</param>
/// <param name="name">The name.</param>
/// <param name="returnType">Type of the return.</param>
/// <param name="access">The access.</param>
/// <param name="function">The function.</param>
/// <returns></returns>
public static LuaCodeFunction CreateLuaCodeFunction(
DTE dte, CodeElement parent, string name, LuaType returnType, vsCMAccess access,
FunctionDeclaration function)
{
return(CreateLuaCodeFunction(dte, parent, name, returnType, access, vsCMFunction.vsCMFunctionFunction,
function));
}
private void InferType(FunctionDeclaration node)
{
if (node.Type == null)
{
node.SetType(NodeHelper.CreateNode(NodeKind.VoidKeyword));
}
}
/// <summary>
/// This method will format the label of the SignatureInformation with procedure's name and all the expected arguments
/// </summary>
/// <param name="procedure">The selected procedure</param>
/// <returns></returns>
public static SignatureInformation SignatureHelperSignatureFormatter(FunctionDeclaration procedure)
{
var parametersInfo = new ParameterInformation[procedure.Profile.Parameters.Count];
int i = 0; bool firstPass = true;
foreach (var parameter in procedure.Profile.InputParameters)
{
var label = string.Format("{0}{1}({2})", firstPass ? "INPUT " : null, parameter.DataName, parameter.DataType.Name);
parametersInfo[i] = new ParameterInformation(label, null); //Replace null with commented documentation linked to parameter
i++; firstPass = false;
}
firstPass = true;
foreach (var parameter in procedure.Profile.InoutParameters)
{
var label = string.Format("{0}{1}({2})", firstPass ? "IN-OUT " : null, parameter.DataName, parameter.DataType.Name);
parametersInfo[i] = new ParameterInformation(label, null);
i++; firstPass = false;
}
firstPass = true;
foreach (var parameter in procedure.Profile.OutputParameters)
{
var label = string.Format("{0}{1}({2})", firstPass ? "OUTPUT " : null, parameter.DataName, parameter.DataType.Name);
parametersInfo[i] = new ParameterInformation(label, null);
i++; firstPass = false;
}
return(new SignatureInformation(procedure.Name, null, parametersInfo)); //Replace null with commented documentation linked to procedure declaration
}
public void Void_OneArg()
{
var test = new FunctionDeclaration("DoSomething", Primitive.Void, AccessLevel.Public, false,
new VariableDeclaration("myInt", Primitive.Int));
Assert.AreEqual("void DoSomething(int myInt)", test.CreateSource());
}
public override bool Accept(Ast.FunctionDeclaration element, int data)
{
var method = parent.functions[element.name];
if (il != null)
{
throw new NotSupportedException("Nested fucntions are not supported");
}
currentFunction = element;
il = method.GetILGenerator();
foreach (var i in element.locals)
{
il.DeclareLocal(typeof(long));
}
element.block.Accept(this, data);
if (!element.hasReturn && !(element.block.statements.Last() is ReturnStatement))
{
il.Emit(OpCodes.Ret);
}
if (element.hasReturn && !(element.block.statements.Last() is Ast.ReturnStatement))
{
il.Emit(OpCodes.Ldc_I8, 0L);
il.Emit(OpCodes.Ret);
}
il = null;
currentFunction = null;
return(false);
}
/// <summary>
/// </summary>
/// <param name="metadata"></param>
/// <param name="codeGenerator"></param>
/// <param name="functionDeclaration"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public ExpressionSyntax Generate(IStandardFunctionMetadata metadata,
MsilBinGenerator codeGenerator,
FunctionDeclaration functionDeclaration,
IReadOnlyList <Expression> parameters)
{
var reference = (VariableReferenceExpression)parameters[0];
// generates {reference} = System.{type}.Parse(Console.ReadLine())
return(SyntaxFactory.AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
codeGenerator.CompileExpression(reference),
SyntaxFactory.InvocationExpression(
SyntaxFactory.MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
SyntaxFactory.MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
MsilBinGenerator.MapIdentifierName("System"),
MsilBinGenerator.MapIdentifierName(MapTypeNames[functionDeclaration.Name])),
MsilBinGenerator.MapIdentifierName("Parse")))
.WithArgumentList(
SyntaxFactory.ArgumentList(
SyntaxFactory.SingletonSeparatedList(
SyntaxFactory.Argument(
SyntaxFactory.InvocationExpression(
SyntaxFactory.MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
MsilBinGenerator.MapIdentifierName("Console"),
MsilBinGenerator.MapIdentifierName("ReadLine")))))))));
}
public void Void_TwoArgs()
{
var test = new FunctionDeclaration("DoSomething", Primitive.Void, AccessLevel.Public, false,
new VariableDeclaration("myInt", Primitive.Int),
new VariableDeclaration("someText", Primitive.Char.MakePointer().MakeConst()));
Assert.AreEqual("void DoSomething(int myInt, const char *someText)", test.CreateSource());
}
public FunctionDeclaration(Position pos, Symbol name, FieldList param, NameType result, Expression body, FunctionDeclaration next)
{
Pos = pos;
Name = name;
Param = param;
Result = result;
Body = body;
Next = next;
}
public virtual object Walk(FunctionDeclaration node)
{
if (Enter(node))
{
node.Identifier.Accept(this);
foreach (var parameter in node.FormalParameters)
{
parameter.Accept(this);
}
node.Body.Accept(this);
}
Exit(node);
return null;
}
private void GenerateFunction(FunctionDeclaration function, StringBuilder programBuilder)
{
string parameterFormat = "ByVal {0} As {1}";
string functionFormat = "Public Function {0}({1}){2}{3}";
string blockFormat ="{0} End Function";
var type = function.Type;
var name = function.Id;
string typeString = GetTypeString(type);
if (!(type is VoidType))
{
typeString = "As " + typeString;
}
string parameters = string.Join(",",function.Parameters.Select(p => string.Format(parameterFormat,p.Id, GetTypeString(p.Type) )));
string blockString = Environment.NewLine + string.Join(Environment.NewLine, function.Block.StatementList.Select(b => GetStatement(b)));
blockString = string.Format(blockFormat, blockString);
programBuilder.Append(string.Format(functionFormat, name, parameters, typeString, blockString));
}
public override object Walk(FunctionDeclaration node)
{
var funcDec = new BikeFunction(node, node.Identifier, node.FormalParameters, node.Body,
Context.CurrentFrame);
Context.CurrentFrame.Define(node.Identifier.Value, funcDec);
return funcDec;
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration fDecl) {
if (fDecl == null) return fDecl;
fDecl.Method = this.VisitMethod(fDecl.Method);
return fDecl;
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration){
if (functionDeclaration == null) return null;
this.VisitResolvedTypeReference(functionDeclaration.ReturnType, functionDeclaration.ReturnTypeExpression);
return base.VisitFunctionDeclaration(functionDeclaration);
}
public void VisitFunctionDeclaration(FunctionDeclaration functionDeclaration)
{
VisitFunctionExpression(functionDeclaration.Function);
}
private static FunctionCall Create(FunctionCall call, FunctionDeclaration declaration)
{
var result = new FunctionCall(call.QualifiedName, declaration.Library, declaration.Copy);
if (declaration.Profile == null) return result;
int count = declaration.Profile.InputParameters.Count + declaration.Profile.InoutParameters.Count + declaration.Profile.OutputParameters.Count;
// declaration.Profile.ReturningParameter is not used because
// the same data is always used by (and hardcoded in) function call codegen: <function.Name>-RESULT
for(int i=0; i < count; i++) {
var pAsDefined = GetParameter(i, declaration);
var pAsUsed = GetParameter(i, call);
result.InputParameters.Add(Create(pAsDefined, pAsUsed));
}
return result;
}
public virtual bool Enter(FunctionDeclaration node)
{
return true;
}
public virtual Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration){
if (functionDeclaration == null) return null;
functionDeclaration.Parameters = this.VisitParameterList(functionDeclaration.Parameters);
functionDeclaration.ReturnType = this.VisitTypeReference(functionDeclaration.ReturnType);
functionDeclaration.Body = this.VisitBlock(functionDeclaration.Body);
return functionDeclaration;
}
/// <summary>Parent node: PROCEDURE DIVISION</summary>
/// <param name="context">DECLARE FUNCTION</param>
public override void EnterFunctionDeclaration(ProgramClassParser.FunctionDeclarationContext context)
{
var terminal = context.FunctionDeclarationHeader();
var header = terminal != null? (FunctionDeclarationHeader)terminal.Symbol : null;
if (header != null) header.SetLibrary(CurrentProgram.Identification.ProgramName.Name);
var node = new FunctionDeclaration(header);
node.Label = "F"+(++functionsCounter).ToString("0000000");
node.Library = CurrentProgram.Identification.ProgramName.Name;
CurrentProgram.CurrentTable.AddFunction(node);
Enter(node, context, new SymbolTable(CurrentProgram.CurrentTable, SymbolTable.Scope.Function));
}
public override bool Enter(FunctionDeclaration node)
{
Print("FunctionDeclaration");
level++;
return true;
}
public virtual Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration, FunctionDeclaration changes, FunctionDeclaration deletions, FunctionDeclaration insertions){
this.UpdateSourceContext(functionDeclaration, changes);
if (functionDeclaration == null) return changes;
return functionDeclaration;
}
public void VisitFunctionDeclaration(FunctionDeclaration funcDecl)
{
/*if(funcDecl == scope){
// the function body is being analyzed, go deep:
foreach(ParameterDeclaration p in funcDecl.Parameters)
Define(p.Name);
}else{*/
// analyze the function definition itself (it is visited while analyzing parent scope):
Define(funcDecl.Name);
foreach(ParameterDeclaration p in funcDecl.Parameters){
if(p.Option != null)
p.Option.AcceptWalker(this);
}
//}
}
public virtual void VisitFunctionDeclaration(FunctionDeclaration functionDeclaration)
{
if (functionDeclaration == null) return;
this.VisitParameterList(functionDeclaration.Parameters);
this.VisitTypeReference(functionDeclaration.ReturnType);
this.VisitBlock(functionDeclaration.Body);
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration fDecl){
if (fDecl == null) return fDecl;
this.ConstructMethodForNestedFunction(fDecl, fDecl.Method, fDecl.ReturnType, fDecl.Parameters, fDecl.Body);
return fDecl;
}
private void WriteFunction(FunctionDeclaration function, StringBuilder programBuilder)
{
mainName = GenerateLabel(function);
if (function.Parameters.Count() > 0)
{
foreach (var param in function.Parameters)
{
registerFile.stackx86.idValue = null;
var pos = registerFile.stack.Last().Value.positioninStack;
registerFile.stackx86.positioninStack = Convert.ToString(Convert.ToInt32(pos) + 4);
registerFile.stack.Add(param.Id, registerFile.stackx86);
}
}
WriteGlobalVariables(programBuilder, mainName);
programBuilder.AppendLine();
programBuilder.AppendFormat("{0}:", mainName);
programBuilder.AppendLine();
programBuilder.Append("\t push ebp");
programBuilder.Append("\t\t# Reserva el espacio de memoria en pila. ");
programBuilder.AppendLine();
programBuilder.Append("\t mov ebp, esp");
programBuilder.Append("\t\t# Guarda el espacio de memoria en pila. ");
programBuilder.AppendLine();
programBuilder.Append("\t sub ebp, -64");
programBuilder.AppendLine("\t\t# Reserva el espacio para variables a usar. ");
WriteBlock(function.Block, programBuilder);
programBuilder.Append("\t mov DWORD PTR [ebp-16], eax");
programBuilder.Append("\t# Guarda eax en la pila para retorno");
programBuilder.AppendLine();
programBuilder.AppendLine("\t leave");
programBuilder.Append("\t ret");
programBuilder.Append("\t\t# Restablece la pila.");
programBuilder.AppendLine();
}
void PrintDeclaration(FunctionDeclaration d, int i)
{
Say("FunctionDeclaration(");
if (d != null)
{
SayLn(d.Name.ToString());
PrintFieldlist(d.Param, i+1); SayLn(",");
if (d.Result!=null) {
Indent(i+1); SayLn(d.Result.Name.ToString());
}
PrintExpression(d.Body, i+1); SayLn(",");
Indent(i+1); PrintDeclaration(d.Next, i+1);
}
Say(")");
}
public virtual Differences VisitFunctionDeclaration(FunctionDeclaration functionDeclaration1, FunctionDeclaration functionDeclaration2){
Differences differences = new Differences(functionDeclaration1, functionDeclaration2);
if (functionDeclaration1 == null || functionDeclaration2 == null){
if (functionDeclaration1 != functionDeclaration2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
FunctionDeclaration changes = (FunctionDeclaration)functionDeclaration2.Clone();
FunctionDeclaration deletions = (FunctionDeclaration)functionDeclaration2.Clone();
FunctionDeclaration insertions = (FunctionDeclaration)functionDeclaration2.Clone();
Differences diff = this.VisitBlock(functionDeclaration1.Body, functionDeclaration2.Body);
if (diff == null){Debug.Assert(false); return differences;}
changes.Body = diff.Changes as Block;
deletions.Body = diff.Deletions as Block;
insertions.Body = diff.Insertions as Block;
Debug.Assert(diff.Changes == changes.Body && diff.Deletions == deletions.Body && diff.Insertions == insertions.Body);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitIdentifier(functionDeclaration1.Name, functionDeclaration2.Name);
if (diff == null){Debug.Assert(false); return differences;}
changes.Name = diff.Changes as Identifier;
deletions.Name = diff.Deletions as Identifier;
insertions.Name = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.Name && diff.Deletions == deletions.Name && diff.Insertions == insertions.Name);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
ParameterList parChanges, parDeletions, parInsertions;
diff = this.VisitParameterList(functionDeclaration1.Parameters, functionDeclaration2.Parameters, out parChanges, out parDeletions, out parInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.Parameters = parChanges;
deletions.Parameters = parDeletions;
insertions.Parameters = parInsertions;
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitTypeNode(functionDeclaration1.ReturnType, functionDeclaration2.ReturnType);
if (diff == null){Debug.Assert(false); return differences;}
changes.ReturnType = diff.Changes as TypeNode;
deletions.ReturnType = diff.Deletions as TypeNode;
insertions.ReturnType = diff.Insertions as TypeNode;
//Debug.Assert(diff.Changes == changes.ReturnType && diff.Deletions == deletions.ReturnType && diff.Insertions == insertions.ReturnType);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration func){
if (func == null || func.Method == null) return null;
TypeNode closure = func.Method.DeclaringType;
this.VisitMethod(func.Method);
if (closure != null && closure.Members != null)
closure.Members.Add(func.Method);
return null;
}
public virtual void Exit(FunctionDeclaration node)
{
}
private static ParameterDescription GetParameter(int index, FunctionDeclaration function)
{
int offset = 0;
if (index - offset < function.Profile.InputParameters.Count) return function.Profile.InputParameters[index-offset];
offset += function.Profile.InputParameters.Count;
if (index - offset < function.Profile.InoutParameters.Count) return function.Profile.InoutParameters[index-offset];
offset += function.Profile.InoutParameters.Count;
if (index - offset < function.Profile.OutputParameters.Count) return function.Profile.OutputParameters[index-offset];
offset += function.Profile.OutputParameters.Count;
if (index - offset < 1) return function.Profile.ReturningParameter;
throw new System.ArgumentOutOfRangeException("Expected: "+index+" < "+function.Profile.InputParameters.Count
+'+'+function.Profile.InoutParameters.Count
+'+'+function.Profile.OutputParameters.Count
+'+'+(function.Profile.ReturningParameter!=null?1:0));
}
public override void Exit(FunctionDeclaration node)
{
level--;
}
public virtual Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration1, FunctionDeclaration functionDeclaration2)
{
if (functionDeclaration1 == null) return null;
if (functionDeclaration2 == null)
{
functionDeclaration1.Parameters = this.VisitParameterList(functionDeclaration1.Parameters, null);
functionDeclaration1.ReturnType = this.VisitTypeReference(functionDeclaration1.ReturnType, null);
functionDeclaration1.Body = this.VisitBlock(functionDeclaration1.Body, null);
}
else
{
functionDeclaration1.Parameters = this.VisitParameterList(functionDeclaration1.Parameters, functionDeclaration2.Parameters);
functionDeclaration1.ReturnType = this.VisitTypeReference(functionDeclaration1.ReturnType, functionDeclaration2.ReturnType);
functionDeclaration1.Body = this.VisitBlock(functionDeclaration1.Body, functionDeclaration2.Body);
}
return functionDeclaration1;
}
public void VisitFunctionDeclaration(FunctionDeclaration funcDecl)
{
UniqueIdGenerator.DefineNewId(funcDecl.NameToken);
int tmp_counter = scope_counter;
DecendScope();
scope_counter = 0;
funcDecl.Parameters.AcceptWalker(this);
funcDecl.Body.AcceptWalker(this);
AscendScope();
scope_counter = tmp_counter + 1;
}
public override Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration)
{
if (functionDeclaration == null) return null;
return base.VisitFunctionDeclaration((FunctionDeclaration)functionDeclaration.Clone());
}