public void run() { m_globalMemorySpace = new MemorySpace("globals"); m_currentMemorySpace = m_globalMemorySpace; execute(m_ast); }
public void PushMemorySpace(MemorySpace pMemorySpace) { if(m_memorySpaces.Count > 0 && m_memorySpaces.Peek() == pMemorySpace) { //Console.WriteLine("Pushing duplicate memory space, will ignore"); return; } //Console.WriteLine("Push " + pMemorySpace.getName() + " into scope " + this.getName()); m_memorySpaces.Push(pMemorySpace); }
public void PushMemorySpace(MemorySpace pMemorySpace) { //Console.WriteLine("Push " + pMemorySpace.getName() + " into scope " + this.getName()); m_memorySpaces.Push(pMemorySpace); }
private ReturnValue function(AST tree, List<ReturnValue> parameterValues) { // Push scope Scope m_previousScope = m_currentScope; AST_FunctionDefinitionNode functionDefinitionNode = (AST_FunctionDefinitionNode)(tree); Assert.IsNotNull(functionDefinitionNode); m_currentScope = (Scope)functionDefinitionNode.getScope(); Assert.IsNotNull(m_currentScope); // Push memory space MemorySpace m_previousMemorySpace = m_currentMemorySpace; MemorySpace functionMemorySpace = new MemorySpace("<FUNCTION_SPACE " + tree.getChild(1).getTokenString() + ">"); m_memoryStack.Push(functionMemorySpace); m_currentMemorySpace = functionMemorySpace; // Add parameters to memory space List<AST> parameterDeclarations = tree.getChild(2).getChildren(); if(parameterDeclarations != null) { if(parameterDeclarations.Count != parameterValues.Count) { m_errorHandler.errorOccured( "The number of arguments in function " + tree.getChild(1).getTokenString() + " does not match!", Error.ErrorType.SYNTAX); } foreach(AST parameter in parameterDeclarations) { varDeclaration(parameter); } } // Assign values to parameters if(parameterValues != null) { int i = 0; foreach(ReturnValue parameterValue in parameterValues) { string parameterName = parameterDeclarations[i].getChild(1).getTokenString(); assignValue(parameterName, parameterValue); i++; } } // Execute function ReturnValue returnValue = null; try { executeAllChildNodes(tree.getChild(3)); // child 3 is the function body } catch(ReturnValue functionReturnValue) { returnValue = functionReturnValue; } // Pop memory space m_memoryStack.Pop(); m_currentMemorySpace = m_previousMemorySpace; // Pop scope m_currentScope = m_previousScope; Assert.IsNotNull(m_currentScope); return returnValue; }
private ReturnValue function(AST tree, List <ReturnValue> parameterValues) { // Push scope Scope m_previousScope = m_currentScope; AST_FunctionDefinitionNode functionDefinitionNode = (AST_FunctionDefinitionNode)(tree); Assert.IsNotNull(functionDefinitionNode); m_currentScope = (Scope)functionDefinitionNode.getScope(); Assert.IsNotNull(m_currentScope); // Push memory space MemorySpace m_previousMemorySpace = m_currentMemorySpace; MemorySpace functionMemorySpace = new MemorySpace("<FUNCTION_SPACE " + tree.getChild(1).getTokenString() + ">"); m_memoryStack.Push(functionMemorySpace); m_currentMemorySpace = functionMemorySpace; // Add parameters to memory space List <AST> parameterDeclarations = tree.getChild(2).getChildren(); if (parameterDeclarations != null) { if (parameterDeclarations.Count != parameterValues.Count) { m_errorHandler.errorOccured( "The number of arguments in function " + tree.getChild(1).getTokenString() + " does not match!", Error.ErrorType.SYNTAX); } foreach (AST parameter in parameterDeclarations) { varDeclaration(parameter); } } // Assign values to parameters if (parameterValues != null) { int i = 0; foreach (ReturnValue parameterValue in parameterValues) { string parameterName = parameterDeclarations[i].getChild(1).getTokenString(); assignValue(parameterName, parameterValue); i++; } } // Execute function ReturnValue returnValue = null; try { executeAllChildNodes(tree.getChild(3)); // child 3 is the function body } catch (ReturnValue functionReturnValue) { returnValue = functionReturnValue; } // Pop memory space m_memoryStack.Pop(); m_currentMemorySpace = m_previousMemorySpace; // Pop scope m_currentScope = m_previousScope; Assert.IsNotNull(m_currentScope); return(returnValue); }