private Function CreateSymbolForFunction(TokenExpression functionDeclarationToken, string className, bool createSymbol)
{
var dataTypeToken = functionDeclarationToken.GetFirstSubexpression(TokenType.DataType);
Variable dataType;
if (dataTypeToken != null)
{
dataType = GetDataType(dataTypeToken);
}
else
{
dataType = new Variable("", DataType.Void, -1, 0);
}
var functionNameToken = functionDeclarationToken.GetFirstSubexpression(TokenType.FunctionName);
string functionName = GetFunctionName(functionNameToken, className);
var function = Functions.Get(functionName, createSymbol);
function.SetVariableType(dataType);
if (function.Parameters != null && function.Parameters.Count > 0)
{
function.Parameters.Clear();
}
var poundSignToken = functionDeclarationToken.GetFirstSubexpression(TokenType.Pound);
if (poundSignToken != null)
{
function.IsLabel = 1;
}
//add parameters
var functionParameterListToken = functionDeclarationToken.GetFirstSubexpression(TokenType.FunctionParameterList);
if (functionParameterListToken != null)
{
var parameters = GetVariablesInFunctionParameters(functionParameterListToken);
if (function.Parameters.Count < parameters.Length)
{
function.Parameters.Clear();
foreach (var parameter in parameters)
{
int index = function.Parameters.Count;
parameter.Root = ainFile;
parameter.Parent = function;
parameter.Index = index;
function.Parameters.Add(parameter);
}
function.ParameterCount = function.Parameters.Count;
}
}
return(function);
}
private HllFunction CreateSymbolForLibraryFunction(TokenExpression functionDeclarationToken, string libraryName, string libraryAlias)
{
var dataTypeToken = functionDeclarationToken.GetFirstSubexpression(TokenType.DataType);
Variable dataType;
if (dataTypeToken != null)
{
dataType = GetDataType(dataTypeToken);
}
else
{
dataType = new Variable("", DataType.Void, -1, 0);
}
var functionNameToken = functionDeclarationToken.GetFirstSubexpression(TokenType.FunctionName);
string functionName = GetFunctionName(functionNameToken);
var library = Libraries.Get(libraryName);
library.Root = ainFile;
library.LibraryName = libraryName;
string fullName = libraryAlias + "." + functionName;
var libraryFunction = Symbols.GetOrNull(fullName) as HllFunction;
if (libraryFunction == null)
{
libraryFunction = new HllFunction();
libraryFunction.SetVariableType(dataType);
libraryFunction.Name = functionName;
libraryFunction.ParentLibrary = library;
libraryFunction.Root = ainFile;
libraryFunction.Index = library.Functions.Count;
library.Functions.Add(libraryFunction);
Symbols[fullName] = libraryFunction;
}
//add parameters
var functionParameterListToken = functionDeclarationToken.GetFirstSubexpression(TokenType.FunctionParameterList);
if (functionParameterListToken != null)
{
var parameters = GetVariablesInFunctionParameters(functionParameterListToken);
if (libraryFunction.Parameters.Count < parameters.Length)
{
libraryFunction.Parameters.Clear();
foreach (var parameter in parameters)
{
int index = libraryFunction.Parameters.Count;
if (parameter.DataType != DataType.Void)
{
var newParameter = new HllFunctionParameter();
newParameter.Parent = libraryFunction;
newParameter.Root = ainFile;
newParameter.Name = parameter.Name;
newParameter.Index = index;
newParameter.SetVariableType(parameter);
libraryFunction.Parameters.Add(newParameter);
}
else
{
}
}
libraryFunction.ParameterCount = libraryFunction.Parameters.Count;
}
}
return(libraryFunction);
}