public override void action(Node parent, Node child)
{
// Set the integral type of the expression for type checking the right hand
// side of the expression during parsing and at runtime.
if (child is VariableDeclarationNode)
{
VariableDeclarationNode variableDeclarationNode = (VariableDeclarationNode)child;
parent.VariableTypeByIntegralType = variableDeclarationNode.IntegralType;
}
if (parent is AssignmentNode && parent.Instructions.Count >= 2 && parent.Instructions[0] is VariableDeclarationNode)
{
if (parent.Instructions[0].Instructions.get(0) is UserDefinedTypeNode)
{
parent.Instructions[0].Instructions.get(0).Instructions.get(2).IntegralType;
return;
}
else
{
VariableNode variableNode = (VariableNode)parent.Instructions[0].Instructions.get(1);
variableNode.IntegralType;
/* if (parent.getIntegralType() != variableNode.getIntegralType()) {
* throw new RuntimeException( "invalide types used in expressioin");
* }*/
}
}
if (child is PrimitiveNode && parent.IntegralType != null && parent.IntegralType != child.IntegralType)
{
throw new Exception("invald types used in expression");
}
}
private Statement ProcessVariableDeclarationStatement(VariableDeclarationNode node)
{
VariableDeclarationStatement statement = new VariableDeclarationStatement();
TypeSymbol variableType = _symbolSet.ResolveType(node.Type, _symbolTable, _memberContext);
foreach (VariableInitializerNode initializerNode in node.Initializers)
{
string name = initializerNode.Name.Name;
VariableSymbol symbol = new VariableSymbol(name, _memberContext, variableType);
if (initializerNode.Value != null)
{
Expression value = _expressionBuilder.BuildExpression(initializerNode.Value);
if (value is MemberExpression)
{
value = _expressionBuilder.TransformMemberExpression((MemberExpression)value);
}
symbol.SetValue(value);
}
_symbolTable.AddSymbol(symbol);
statement.AddVariable(symbol);
}
return(statement);
}
public void TestAddSecondaryArgument()
{
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
Assert.IsNull(mdn.SecondaryArguments);
mdn.AddSecondaryArgument(vdn, new WordNode("to", PartOfSpeechTag.Preposition));
Assert.AreEqual(1, mdn.SecondaryArguments.Count);
var sec = mdn.SecondaryArguments[0];
Assert.AreEqual(vdn, sec.Argument);
Assert.AreEqual("to", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
VariableDeclarationNode vdn2 = new VariableDeclarationNode("myParam");
mdn.AddSecondaryArgument(vdn2, new WordNode("from", PartOfSpeechTag.Preposition));
Assert.AreEqual(2, mdn.SecondaryArguments.Count);
sec = mdn.SecondaryArguments[0];
Assert.AreEqual(vdn, sec.Argument);
Assert.AreEqual("to", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
sec = mdn.SecondaryArguments[1];
Assert.AreEqual(vdn2, sec.Argument);
Assert.AreEqual("from", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
}
public static void Walk([NotNull] VariableDeclarationNode variableDeclaration, [NotNull] IList <string> list)
{
foreach (var variableDeclaratorNode in variableDeclaration.Declarations)
{
Walk(variableDeclaratorNode, list);
}
}
/// <summary>
/// Parses a variable definition (_variableDefinitionSyntaxRegex)
/// </summary>
/// <param name="tokenCount"></param>
private void ParseVariableDefinition(int tokenCount)
{
if (tokenCount != 3 && tokenCount != 5)
{
throw new ParsingException("[BUG] Variable definition parsing requires either three or five tokens.");
}
var tokens = _remainingTokens.GetRange(0, tokenCount);
_remainingTokens.RemoveRange(0, tokenCount);
int index = 0;
var variableType = (TypeKeywordToken)tokens[index++];
var variableName = (IdentifierToken)tokens[index++];
string variableDefaultValue = null;
if (tokenCount == 5)
{
var assign = (AssignmentToken)tokens[index++];
var variableValue = (IntegerLiteralToken)tokens[index++];
variableDefaultValue = variableValue.Contents;
}
var variableNode = new VariableDeclarationNode(_currentNode, variableType.Contents, variableName.Contents, variableDefaultValue);
_currentNode.AddChild(variableNode);
}
public static string GetVariableDeclaration(VariableDeclarationNode variable, string prefix = "")
{
string arrayStuff = (variable.IsArray && variable.ArraySize != null) ? "[" + variable.ArraySize + "]" : string.Empty;
string semantic = (!string.IsNullOrEmpty(variable.Semantic)) ? " : " + variable.Semantic : string.Empty;
string initialValue;
if (!string.IsNullOrEmpty(variable.InitialValue))
{
string variableInitialValue = variable.InitialValue;
if (variableInitialValue.StartsWith("sampler_state"))
{
variableInitialValue = Regex.Replace(variableInitialValue, @"(Texture=\()([\w]+)(\);)", "$1" + prefix + "$2$3");
}
initialValue = " = " + variableInitialValue;
}
else
{
initialValue = string.Empty;
}
return(string.Format("{0} {1}{2}{3}{4}{5};",
Token.GetString(variable.DataType), prefix,
variable.Name, arrayStuff, semantic, initialValue));
}
public void TestCreateEquivalenceFromUnknownArguments_MissizedArray()
{
var arg1 = new VariableDeclarationNode("arg1");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1 });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(new PhraseNode(), new bool[] { true, false });
}
public string GetNextSemantic(VariableDeclarationNode variable)
{
if (!string.IsNullOrEmpty(variable.Semantic))
{
return(variable.Semantic);
}
return(_semanticPrefix + _currentIndex++);
}
public void TestCreateEquivalenceFromUnknownArguments_NullNode()
{
var arg1 = new VariableDeclarationNode("arg1");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1 });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(null, new bool[] { true });
}
public Node ProcedureDeclaration()
{
Expect(TokenCategory.PROCEDURE);
var procedure_node = new ProcedureDeclarationNode()
{
AnchorToken = Expect(TokenCategory.IDENTIFIER)
};
Expect(TokenCategory.PARENTHESIS_OPEN);
procedure_node.Add(new ParameterDeclarationNode()
{
ZeroOrMore(TokenCategory.IDENTIFIER, ParameterDeclaration)
});
Expect(TokenCategory.PARENTHESIS_CLOSE);
var typeNode = Optional(TokenCategory.COLON, Type, true);
if (typeNode == null)
{
typeNode = new VoidTypeNode();
}
procedure_node.Add(typeNode);
Expect(TokenCategory.SEMICOLON);
procedure_node.Add(Optional(TokenCategory.CONST, () =>
{
var node = new ConstantListNode()
{
AnchorToken = Expect(TokenCategory.CONST)
};
node.Add(OneOrMore(TokenCategory.IDENTIFIER, ConstantDeclaration));
return(node);
}));
procedure_node.Add(Optional(TokenCategory.VAR, () =>
{
var node = new VariableDeclarationNode()
{
AnchorToken = Expect(TokenCategory.VAR)
};
node.Add(OneOrMore(TokenCategory.IDENTIFIER, VariableDeclaration));
return(node);
}));
Expect(TokenCategory.BEGIN);
procedure_node.Add(new StatementListNode()
{
ZeroOrMore(firstOfStatement, Statement)
});
Expect(TokenCategory.END);
Expect(TokenCategory.SEMICOLON);
return(procedure_node);
}
/// <summary>
/// 变量定义
/// </summary>
/// <param name="node"></param>
public void Visit(VariableDeclarationNode node)
{
var builder = new StringBuilder();
builder.Append("变量定义：");
builder.AppendFormat("{0} {1} ", node.Type, node.Name);
Console.Write(builder.ToString());
Visit((Object)node.InitialValueExpression);
}
public static ITypeRepresentation ToTypeRepresentation(this VariableDeclarationNode variableDeclarationNode) =>
variableDeclarationNode.Type
.Map(t => t.ToTypeRepresentation())
.IfNone(() => variableDeclarationNode.Expression
.Map <ITypeRepresentation>(e =>
new NotInferredTypeRepresentation(e)
)
.IfNone(new NoTypeRepresentation())
);
public void TestClearSecondaryArguments_Null_ExistingArgs()
{
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
mdn.AddSecondaryArgument(vdn, new WordNode("to", PartOfSpeechTag.Preposition));
Assert.AreEqual(1, mdn.SecondaryArguments.Count);
mdn.ClearSecondaryArguments();
Assert.AreEqual(0, mdn.SecondaryArguments.Count);
}
public static bool canPrimitiveValueBeAssignedToVar(VariableDeclarationNode lvalue, PrimitiveNode rvalue)
{
FinalNode rvalueTerminal = (FinalNode)rvalue.Instructions[0];
VariableNode variableNode;
if (juserDefined == lvalue.IntegralType)
{
variableNode = lvalue.UserDefinedNode.VariableNode;
}
else
{
variableNode = (VariableNode)lvalue.Instructions[1];
}
string data = rvalueTerminal.dataString();
try
{
switch (variableNode.IntegralType)
{
case jinteger:
return(true);
case jdouble:
return(true);
case jfloat:
return(true);
case jlong:
return(true);
case jstring:
return(true);
case jobject:
return(false);
case jboolean:
return(Convert.ToBoolean(data));
case juserDefined:
return(true);
default:
return(false);
}
}
catch (NumberFormatException)
{
return(false);
}
}
public CSharpSyntaxNode Convert(VariableDeclarationNode node)
{
//TODO: name is ArrayBindingPattern
VariableDeclaratorSyntax csVariable = SyntaxFactory.VariableDeclarator(node.Name.Text);
if (node.Initializer != null)
{
csVariable = csVariable.WithInitializer(SyntaxFactory.EqualsValueClause(node.Initializer.ToCsNode <ExpressionSyntax>()));
}
return(csVariable);
}
private void Visit(VariableDeclarationNode node)
{
var typeName = node.Type.Name;
var typeSymbol = _symbolTable.Lookup <TypeSymbol>(typeName);
foreach (var variable in node.Variables)
{
//var varSymbol = _symbolTable.Lookup<VariableSymbol>(variable.Name);
var varSymbol = new VariableSymbol(variable.Name, typeSymbol);
_symbolTable.Insert(varSymbol);
}
}
public override Node visitVariableDeclarationExpression(JuliarParser.VariableDeclarationExpressionContext ctx)
{
VariableDeclarationNode node = new VariableDeclarationNode();
iterateWrapper(ctx, this, node);
if (node.Instructions.Count == 0 || node.Instructions.Count == 2)
{
// variable has been declared but will be set to null by default.
node.addInst(new FinalNode());
}
return(node);
}
public static Either <ParseException, ProgramNode> Parse(List <IToken> tokens)
{
Console.WriteLine("ProgramNode");
var declarations = new List <IDeclarationNode>();
var typeTable = new Dictionary <string, IEntityType>();
var symT = new SymT();
var result = new ProgramNode(declarations, symT, typeTable);
while (tokens.Count > 0)
{
var maybeRoutineDeclaration = RoutineDeclarationNode.Parse(tokens, symT, result);
if (maybeRoutineDeclaration.IsRight)
{
tokens = maybeRoutineDeclaration.RightToList()[0].First;
var routineDeclaration = maybeRoutineDeclaration.RightToList()[0].Second;
declarations.Add(routineDeclaration);
typeTable.TryAdd(routineDeclaration.Identifier.Lexeme, routineDeclaration.ToRoutineType());
continue;
}
var maybeVariableDeclaration = VariableDeclarationNode.Parse(tokens, symT, result);
if (maybeVariableDeclaration.IsRight)
{
tokens = maybeVariableDeclaration.RightToList()[0].First;
var varDecl = maybeVariableDeclaration.RightToList()[0].Second;
declarations.Add(varDecl);
typeTable.TryAdd(varDecl.Identifier.Lexeme, varDecl.ToVariableType());
continue;
}
var maybeTypeDeclaration = TypeDeclarationNode.Parse(tokens, symT, result);
if (maybeTypeDeclaration.IsRight)
{
tokens = maybeTypeDeclaration.RightToList()[0].First;
var typeDecl = maybeTypeDeclaration.RightToList()[0].Second;
declarations.Add(typeDecl);
typeTable.TryAdd(typeDecl.Identifier.Lexeme, typeDecl.ToTypeAliasType());
continue;
}
return(maybeTypeDeclaration.LeftToList()[0]);
}
Console.WriteLine("Program is interprited Successfully");
return(new ProgramNode(declarations, symT, typeTable));
//return Either<ParseException, ProgramNode>.Bottom;
}
public void TestAddUnknownArgument() {
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
TypeNode arg = new TypeNode("int", true);
mdn.AddUnknownArgument(arg);
Assert.IsNotNull(mdn.UnknownArguments);
Assert.AreEqual(1, mdn.UnknownArguments.Count);
Assert.AreEqual(arg, mdn.UnknownArguments[0]);
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
mdn.AddUnknownArgument(vdn);
Assert.AreEqual(2, mdn.UnknownArguments.Count);
Assert.AreEqual(arg, mdn.UnknownArguments[0]);
Assert.AreEqual(vdn, mdn.UnknownArguments[1]);
}
private VariableDeclaration BindVariableDeclaration(VariableDeclarationNode node)
{
const bool isReadOnly = false;
var variableType = BindTypeClause(node.Type);
var initializer = node.Initializer == null ? null : BindExpression(node.Initializer);
if (variableType == null && initializer != null) // infer the variable type from its initializer
{
variableType = initializer.Type;
}
var variable = BindVariable(node.VariableName, isReadOnly, variableType);
var realInitializer = initializer == null?BindDefaultInitializer(variableType) : BindConversion(node.Initializer, initializer, variableType);
return(new VariableDeclaration(Scope, variable, realInitializer));
}
public void TestAddUnknownArgument()
{
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
TypeNode arg = new TypeNode("int", true);
mdn.AddUnknownArgument(arg);
Assert.IsNotNull(mdn.UnknownArguments);
Assert.AreEqual(1, mdn.UnknownArguments.Count);
Assert.AreEqual(arg, mdn.UnknownArguments[0]);
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
mdn.AddUnknownArgument(vdn);
Assert.AreEqual(2, mdn.UnknownArguments.Count);
Assert.AreEqual(arg, mdn.UnknownArguments[0]);
Assert.AreEqual(vdn, mdn.UnknownArguments[1]);
}
private void InferType(VariableDeclarationList node)
{
if (node.Type == null)
{
if (node.Declarations.Count > 0)
{
VariableDeclarationNode variableNode = (node.Declarations[0] as VariableDeclarationNode);
if (variableNode.Type == null)
{
this.Visit(variableNode);
}
node.SetType(variableNode.Type, false);
}
else
{
node.SetType(NodeHelper.CreateNode(NodeKind.AnyKeyword));
}
}
}
public CSharpSyntaxNode Convert(VariableDeclarationList node)
{
bool isVar = false;
Node type = node.Type;
if (type.Kind == NodeKind.AnyKeyword && node.Declarations.Count > 0)
{
VariableDeclarationNode variableNode = node.Declarations[0] as VariableDeclarationNode;
if (variableNode.Initializer != null && variableNode.Initializer.Kind != NodeKind.NullKeyword)
{
isVar = true;
}
}
TypeSyntax csType = isVar ? SyntaxFactory.IdentifierName("var") : node.Type.ToCsNode <TypeSyntax>();
return(SyntaxFactory
.VariableDeclaration(csType)
.AddVariables(node.Declarations.ToCsNodes <VariableDeclaratorSyntax>()));
}
public override Node visitVariableDeclaration(JuliarParser.VariableDeclarationContext ctx)
{
VariableDeclarationNode variableDeclarationNode = new VariableDeclarationNode();
new IterateOverContext(this, ctx, this, variableDeclarationNode);
VariableNode variableNode;
if (variableDeclarationNode.Instructions[0] is UserDefinedTypeNode)
{
variableNode = (VariableNode)variableDeclarationNode.Instructions[0].Instructions[2];
variableNode.VariableType = ctx.children.get(0).getChild(0).Text;
}
else if (variableDeclarationNode.Instructions.Count >= 2)
{
variableNode = (VariableNode)variableDeclarationNode.Instructions[1];
variableNode.VariableType = ctx.children.get(0).Text;
}
return(variableDeclarationNode);
}
public Type Visit(VariableDeclarationNode node)
{
foreach (var typeNode in node)
{
Type type = Visit((dynamic)typeNode);
foreach (var idNode in typeNode)
{
var varName = idNode.AnchorToken.Lexeme;
if (CurrentScopeHasSymbol(varName))
{
throw new SemanticError($"Duplicated variable: {varName}",
idNode.AnchorToken);
}
else
{
AddSymbolToScope(varName, type, Kind.VAR, value: type.DefaultValue());
}
}
}
return(Type.VOID);
}
private void InferType(VariableDeclarationNode node)
{
if (node.Type == null)
{
if (node.Parent.Kind == NodeKind.CatchClause)
{
node.SetType(NodeHelper.CreateNode(NodeKind.Identifier, "Exception"));
}
else
{
Node type = null;
if (node.Initializer != null)
{
type = TypeHelper.GetNodeType(node.Initializer);
}
type = type ?? NodeHelper.CreateNode(NodeKind.AnyKeyword);
node.SetType(type, type.Parent == null);
}
}
}
public void TestCreateEquivalenceFromUnknownArguments()
{
var arg1 = new VariableDeclarationNode("arg1");
var arg2 = new VariableDeclarationNode("arg2");
var arg3 = new VariableDeclarationNode("arg3");
var arg4 = new VariableDeclarationNode("arg4");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1, arg2, arg3, arg4 });
Assert.AreEqual(4, mdn.UnknownArguments.Count);
var themeNode = new PhraseNode(new string[] { "Relevent", "Args" });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(themeNode, new bool[] { true, false, true, false });
Assert.AreEqual(3, equiv.EquivalentNodes.Count);
Assert.IsTrue(equiv.EquivalentNodes.Contains(themeNode));
Assert.IsTrue(equiv.EquivalentNodes.Contains(arg1));
Assert.IsTrue(equiv.EquivalentNodes.Contains(arg3));
Assert.AreEqual(2, mdn.UnknownArguments.Count);
Assert.IsTrue(mdn.UnknownArguments.Contains(arg2));
Assert.IsTrue(mdn.UnknownArguments.Contains(arg4));
}
private static void Walk([NotNull] Agent agent, [NotNull] VariableDeclarationNode variableDeclaration, bool isStrict)
{
if (variableDeclaration.Kind != VariableKind.Var)
{
//https://tc39.github.io/ecma262/#sec-let-and-const-declarations-static-semantics-early-errors
var boundNames = BoundNamesWalker.Walk(variableDeclaration);
if (ContainsDuplicate(boundNames))
{
throw agent.CreateSyntaxError();
}
if (boundNames.Contains("let"))
{
throw agent.CreateSyntaxError();
}
}
foreach (var variableDeclarator in variableDeclaration.Declarations)
{
Walk(agent, variableDeclarator, isStrict);
}
}
private void Visit(VariableDeclarationNode node)
{
foreach (var variable in node.Variables)
{
if (GlobalVariables.ContainsKey(variable.Name))
{
ReportError(new Exception($"Variable \"{variable.Name}\" already declared in global scope!"));
continue;
}
var type = node.Type.Name;
var expression = Visit(node.Expression);
if (node.Type.IsInferred)
{
if (expression == null)
{
ReportError(new Exception("Cannot infer variable type without a value!"));
return;
}
type = expression.GetType().Name;
}
GlobalVariables.Add(variable.Name, new VariableInfo(type, Visit(node.Expression)));
}
}
public static IList <Node> evalAssignment(Node n, ActivationFrame activationFrame, Interpreter calback)
{
AssignmentNode assignmentNode = (AssignmentNode)n;
IList <Node> instructions = assignmentNode.Instructions;
const int varDeclIndex = 0;
const int equalSignIndex = 1;
const int primtiveIndex = 2;
VariableDeclarationNode variableToAssignTo = (VariableDeclarationNode)instructions[varDeclIndex];
// | zero | one | two
// | variableDecl | EqualSign | Primitive
// | int variableName | = | 3
if (instructions[equalSignIndex] is EqualSignNode)
{
object rvalue = instructions[primtiveIndex];
if (rvalue is FunctionCallNode)
{
functionCallNode((FunctionCallNode)rvalue, activationFrame, variableToAssignTo);
}
if (rvalue is PrimitiveNode)
{
primitiveInstance((PrimitiveNode)rvalue, activationFrame, variableToAssignTo);
}
if (rvalue is BooleanNode)
{
booleanInstance((BooleanNode)rvalue, activationFrame, variableToAssignTo);
}
if (rvalue is CommandNode)
{
commandInstance((CommandNode)rvalue, activationFrame, variableToAssignTo);
}
}
return(new List <>());
}
private static void GenerateVariableDeclaration(VariableDeclarationNode node, DataContext data)
{
data.VariableMap.DeclareVariable(node.VariableName, node.Line, node.Column);
StartLine(data, "context.DeclareVariable(\"{0}\"", node.VariableName);
if (node.ValueExpression != null)
{
Append(data, ", value: ");
GenerateExpression(node.ValueExpression, data);
}
EndLine(data, ");");
}
public StructDefinitionNode(string name, FunctionDefinitionNode[] functions, VariableDeclarationNode[] variables, Token token, int tokenIndex) : base(token, tokenIndex)
{
Name = name;
Functions = functions;
Variables = variables;
}
public virtual T Visit(VariableDeclarationNode node) => Visit(node as Node);
public void TestAddSecondaryArgument() {
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
Assert.IsNull(mdn.SecondaryArguments);
mdn.AddSecondaryArgument(vdn, new WordNode("to", PartOfSpeechTag.Preposition));
Assert.AreEqual(1, mdn.SecondaryArguments.Count);
var sec = mdn.SecondaryArguments[0];
Assert.AreEqual(vdn, sec.Argument);
Assert.AreEqual("to", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
VariableDeclarationNode vdn2 = new VariableDeclarationNode("myParam");
mdn.AddSecondaryArgument(vdn2, new WordNode("from", PartOfSpeechTag.Preposition));
Assert.AreEqual(2, mdn.SecondaryArguments.Count);
sec = mdn.SecondaryArguments[0];
Assert.AreEqual(vdn, sec.Argument);
Assert.AreEqual("to", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
sec = mdn.SecondaryArguments[1];
Assert.AreEqual(vdn2, sec.Argument);
Assert.AreEqual("from", sec.Preposition.Text);
Assert.AreEqual(PartOfSpeechTag.Preposition, sec.Preposition.Tag);
}
public void TestClearSecondaryArguments_Null_ExistingArgs() {
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
VariableDeclarationNode vdn = new VariableDeclarationNode("foo");
mdn.AddSecondaryArgument(vdn, new WordNode("to", PartOfSpeechTag.Preposition));
Assert.AreEqual(1, mdn.SecondaryArguments.Count);
mdn.ClearSecondaryArguments();
Assert.AreEqual(0, mdn.SecondaryArguments.Count);
}
public void TestCreateEquivalenceFromUnknownArguments_MissizedArray() {
var arg1 = new VariableDeclarationNode("arg1");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1 });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(new PhraseNode(), new bool[] { true, false });
}
private void ParseVariableDeclaration(Node subtree)
{
VariableDeclarationNode node = new VariableDeclarationNode(subtree);
VariableNode var = new VariableNode(node);
if (tokens.CurrentToken == TokenType.Const)
{
var.Const = true;
tokens.Next();
}
tokens.ConsumeToken(TokenType.Type);
var.Type = tokens.LastToken.Value;
if (tokens.CurrentToken == TokenType.LeftSquare)
{
var.IsArray = true;
tokens.Next();
tokens.ConsumeToken(TokenType.Number);
var.ArraySize = uint.Parse(tokens.LastToken.Value); //Currently no variable sized arrays
tokens.ConsumeToken(TokenType.RightSquare);
}
tokens.ConsumeToken(TokenType.Ident); //name
var.Ident = tokens.LastToken.Value;
SymbolTable.AddVariable(var.Ident, var);
if (tokens.CurrentToken == TokenType.Delim)
tokens.Next(); //and we're done
else
{
if (tokens.CurrentToken == TokenType.Assign)
{
tokens.Next();
ParseExpression(node);
}
else
{
//something went wrong
ErrorHandler.RaiseError(new UnexpectedTokenError(tokens.CurrentToken,
" assignment operator or a delim", tokens.CurrentToken.LineNo));
}
}
}
public void TestCreateEquivalenceFromUnknownArguments() {
var arg1 = new VariableDeclarationNode("arg1");
var arg2 = new VariableDeclarationNode("arg2");
var arg3 = new VariableDeclarationNode("arg3");
var arg4 = new VariableDeclarationNode("arg4");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1, arg2, arg3, arg4 });
Assert.AreEqual(4, mdn.UnknownArguments.Count);
var themeNode = new PhraseNode(new string[] { "Relevent", "Args" });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(themeNode, new bool[] { true, false, true, false });
Assert.AreEqual(3, equiv.EquivalentNodes.Count);
Assert.IsTrue(equiv.EquivalentNodes.Contains(themeNode));
Assert.IsTrue(equiv.EquivalentNodes.Contains(arg1));
Assert.IsTrue(equiv.EquivalentNodes.Contains(arg3));
Assert.AreEqual(2, mdn.UnknownArguments.Count);
Assert.IsTrue(mdn.UnknownArguments.Contains(arg2));
Assert.IsTrue(mdn.UnknownArguments.Contains(arg4));
}
public void TestCreateEquivalenceFromUnknownArguments_NullNode() {
var arg1 = new VariableDeclarationNode("arg1");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1 });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(null, new bool[] { true });
}