void AddLocalVariables(AST ast, VariableDefinition[] variableDefinitions)
{
AST nodeForDefiningGlobalVariables = ast.getChild(0).getChild(0);
if(variableDefinitions == null) { return; }
foreach(VariableDefinition vd in variableDefinitions) {
Token token = new Token(Token.TokenType.VAR_DECLARATION,"<VAR_DECL>", ast.getToken().LineNr, ast.getToken().LinePosition);
AST_VariableDeclaration declarationTree =
new AST_VariableDeclaration(token,
vd.initValue.getReturnValueType(),
vd.variableName);
if(vd.initValue != null)
{
AST assignmentTree = CreateAssignmentTreeFromInitValue(vd.variableName, vd.initValue);
AST declarationAndAssignmentTree = new AST(new Token(Token.TokenType.STATEMENT_LIST, "<DECLARATION_AND_ASSIGNMENT>", declarationTree.getToken().LineNr, declarationTree.getToken().LinePosition));
declarationAndAssignmentTree.addChild(declarationTree);
declarationAndAssignmentTree.addChild(assignmentTree);
nodeForDefiningGlobalVariables.addChild(declarationAndAssignmentTree);
}
else
{
nodeForDefiningGlobalVariables.addChild(declarationTree);
}
}
}
private void construct(TextReader stream, FunctionDefinition[] functionDefinitions, VariableDefinition[] variableDefinitions)
{
Debug.Assert(stream != null);
Debug.Assert(functionDefinitions != null);
m_compileTimeErrorHandler = new ErrorHandler();
m_runtimeErrorHandler = new ErrorHandler();
m_tokens = Tokenize(stream);
m_ast = Parse(m_tokens);
if(m_compileTimeErrorHandler.getErrors().Count > 0) { m_compileTimeErrorHandler.printErrorsToConsole(); return; }
AddLocalVariables(m_ast, variableDefinitions);
ExternalFunctionCreator externalFunctionCreator = AddExternalFunctions(functionDefinitions, m_ast);
Scope globalScope = CreateScopeTree(m_ast);
if(m_compileTimeErrorHandler.getErrors().Count > 0) { m_compileTimeErrorHandler.printErrorsToConsole(); return; }
m_interpreter = new InterpreterTwo(m_ast, globalScope, m_runtimeErrorHandler, externalFunctionCreator);
m_started = false;
//PaintAST(m_ast);
}
public SprakRunner(TextReader stream, FunctionDefinition[] functionDefinitions, VariableDefinition[] variableDefinitions)
{
construct(stream, functionDefinitions, variableDefinitions);
}