private void WaddleFunctionDeclaration(FunctionDeclSyntax function)
{
WaddleBody(function.Body);
if (_currentFunction?.Type is not null && function.Body.Statements.LastOrDefault() is not ReturnStmtSyntax)
{
throw new SemanticErrorException($"missing return statement in function {_currentFunction?.Name}");
}
}
private void WaddleFunctionDeclaration(FunctionDeclSyntax functionSyntax)
{
var parameters =
functionSyntax.Parameters.Select(param => new VariableDecl(param !.Name, param !.TypeSyntax.ToSymbol())).ToArray();
var function = new FunctionDecl(functionSyntax.Name, functionSyntax.ReturnType?.ToSymbol(),
functionSyntax.Body.Statements
.OfType <DeclStmtSyntax>()
.Select(stmt => new VariableDecl(stmt.ParameterDeclSyntax.Name, stmt.ParameterDeclSyntax.TypeSyntax.ToSymbol()))
.Concat(parameters),
parameters);
_functions.Add(function.Name, function);
}
public virtual TResult Visit(FunctionDeclSyntax syntax)
{
return(DefaultResult);
}
public void LeaveFunctionDeclaration(FunctionDeclSyntax syntax, WaddleContext ctx)
{
}
public bool EnterFunctionDeclaration(FunctionDeclSyntax syntax, WaddleContext ctx)
{
_currentFunction = _currentFunction = _functions[syntax.Name];
return(true);
}