public override void execute() { setContext(); int context_integrity_check = Context.getStatusStackCount(); Debugging.print("Assignment: ", _var_name, " = ", _var_value.expr); // set the new value Variable variable; try { variable = Expression.parse(_var_name); } catch (AquilaExceptions.NameError) { // implicit declaration if (!Global.getSetting("implicit declaration in assignment")) { throw; } Debugging.print("Implicit declaration in Assignment!"); Declaration decl = new Declaration(line_index, _var_name.Substring(1), _var_value); // in the Assignment constructor: already check if _var_name != "" decl.execute(); // update things 'n stuff Global.onElementaryInstruction(); // reset Context // Smooth Context Context.resetUntilCountReached(context_integrity_check); Context.reset(); return; } // parsing new value Variable val = _var_value.evaluate(); Debugging.print("assigning " + _var_name + " with expr " + _var_value.expr + " with value " + val + " (2nd value assigned: " + val.assigned + ") and type: " + val.getTypeString()); // assert the new is not an unassigned (only declared) variable val.assertAssignment(); if (variable.hasSameParent(val)) { variable.setValue(val); } else { throw new AquilaExceptions.InvalidTypeError("You cannot change the type of your variables (" + variable.getTypeString() + " -> " + val.getTypeString() + "). This will never be supported because it would be considered bad style."); } // update things 'n stuff Global.onElementaryInstruction(); // reset Context // Smooth Context Context.resetUntilCountReached(context_integrity_check); Context.reset(); }
/// <summary> /// Process the input from the interpreter. /// If the input is one of the interactive-mode-only commands, the command should not /// be executed by the interpreter but will be executed by this function manually. /// </summary> /// <param name="input"> command line from the interactive-mode</param> /// <returns> should the command be executed ?</returns> internal static bool processInterpreterInput(string input) { switch (input) { case "help": { Global.stdoutWriteLine("All existing interactive-mode-only commands:"); // ReSharper disable once RedundantExplicitArrayCreation foreach (string command in new string[] { "help", "exit", "reset_env", "clear", // base interactive-mode "exec", "exec_info", // exec "debug", "trace_debug", "parse_debug", // debugging (enable/disable) "eval %expr", // expr "var %var_name", "vars", "$%var_name", // variables // ReSharper disable once StringLiteralTypo "funcs", "df_funcs", // functions "type", // ? "trace_info", "trace_uniq_stacks", "rewind %n %var_name", "peek_trace $%traced_value", // trace "get_context", "set_status", "set_info_null", "reset_context", // context "scope_info", // scope "show-settings", // settings }) { Global.stdoutWriteLine(" -> " + command); } return(false); } case "clear": if (!Global.getSetting("redirect debug stout & stderr")) { Console.Clear(); } return(false); case "vars": { Global.stdoutWriteLine("Global Variables:"); foreach (var pair in Global.getGlobalVariables()) { Global.stdoutWriteLine("\t" + pair.Key + " : " + pair.Value); } int i = 0; Global.stdoutWriteLine("Local Scope Variables:"); foreach (var dict in Global.getCurrentDictList()) { i++; foreach (var pair in dict) { Global.stdoutWrite(new string('\t', i)); Global.stdoutWrite(pair.Key + " : "); Global.stdoutWriteLine(pair.Value.ToString()); } } return(false); } // ReSharper disable once StringLiteralTypo case "funcs": { Global.stdoutWriteLine("User defined functions:"); foreach (var pair in Functions.user_functions) { Global.stdoutWriteLine(" * " + pair.Key + (pair.Value.isRec() ? " : [rec] " : " : ") + "(" + pair.Value.func_args.Count + ") -> " + pair.Value.getType()); } return(false); } case "df_funcs": Global.stdoutWriteLine("Default (predefined) functions:"); foreach (var pair in Functions.functions_dict) { MethodInfo method = pair.Value.GetMethodInfo(); Global.stdoutWriteLine(" * " + pair.Key + " [?] : (" + method.GetParameters().Length + ") -> " + method.ReturnType); } return(false); case "debug": Global.setSetting("debug", !Global.getSetting("debug")); return(false); case "trace_debug": Global.setSetting("trace debug", !Global.getSetting("trace debug")); return(false); case "parse_debug": Global.setSetting("parse debug", !Global.getSetting("parse debug")); return(false); case "trace_info": { Global.stdoutWriteLine("var tracers:"); foreach (VarTracer tracer in Global.var_tracers) { Global.stdoutWriteLine(" - var : " + (tracer.getTracedObject() as Variable).getName()); Global.stdoutWriteLine(" - stack : " + tracer.getStackCount()); Global.stdoutWriteLine(" - updated : " + tracer.last_stack_count); } Global.stdoutWriteLine("func tracers:"); foreach (FuncTracer tracer in Global.func_tracers) { Global.stdoutWriteLine(" - func : " + tracer.getTracedObject()); Global.stdoutWriteLine(" - stack : " + tracer.getStackCount()); } return(false); } case "trace_uniq_stacks": Global.var_tracers[0].printEventStack(); return(false); case "reset_env": Global.resetEnv(); Global.stdoutWriteLine(" [!] Global Environment reset"); return(false); case "get_context": { int status = Context.getStatus(); Context.StatusEnum status_quote = (Context.StatusEnum)status; object info = Context.getInfo(); bool blocked = Context.isFrozen(); bool enabled = Global.getSetting("fail on context assertions"); Global.stdoutWriteLine("status : " + status); Global.stdoutWriteLine("quote : " + status_quote); Global.stdoutWriteLine("info : " + info); Global.stdoutWriteLine("blocked : " + blocked); Global.stdoutWriteLine("asserts : " + enabled); return(false); } case "set_info_null": Context.setInfo(null); return(false); case "reset_context": Context.reset(); return(false); case "type": Global.stdoutWriteLine("type of NullVar: " + typeof(NullVar)); Global.stdoutWriteLine("type of Variable: " + typeof(Variable)); Global.stdoutWriteLine("type of Integer: " + typeof(Integer)); return(false); case "scope_info": Global.stdoutWriteLine("local scope depth: " + Global.getLocalScopeDepth()); Global.stdoutWriteLine("main scope depth: " + Global.getMainScopeDepth()); return(false); case "show-settings": foreach (var pair in Global.getSettings()) { Global.stdoutWriteLine($" - {pair.Key} : {pair.Value}"); } return(false); } if (input[0] == '$' && Global.variableExistsInCurrentScope(input.Substring(1))) { Global.stdoutWriteLine(Global.variableFromName(input.Substring(1)).ToString()); return(false); } if (input.StartsWith("set_status ")) { int status = int.Parse(input.Substring(11)); Context.setStatus((Context.StatusEnum)status); return(false); } if (input.StartsWith("eval ")) { Variable var_ = Expression.parse(input.Substring(5)); Global.stdoutWriteLine(var_.ToString()); return(false); } if (input.StartsWith("var ")) { string var_name = input.Substring(4); var_name = StringUtils.normalizeWhiteSpaces(var_name); if (var_name == "") { return(false); } Variable var_ = Global.variableFromName(var_name); Global.stdoutWriteLine("name : " + var_.getName()); Global.stdoutWriteLine("type : " + var_.getTypeString()); Global.stdoutWriteLine("const : " + var_.isConst()); Global.stdoutWriteLine("assigned : " + var_.assigned); Global.stdoutWriteLine("value : " + var_); Global.stdoutWriteLine("traced : " + var_.isTraced()); Global.stdoutWriteLine("^ mode : " + var_.trace_mode); if (var_ is NumericalValue value) { Global.stdoutWriteLine("*source : " + StringUtils.dynamic2Str(value.source_vars)); } return(false); } if (input.StartsWith("rewind")) { string[] splitted = input.Split(' '); if (splitted.Length == 3) { if (!int.TryParse(splitted[1], out int n)) { Global.stdoutWriteLine("cannot read n"); return(false); } string var_name = splitted[2]; Variable var_ = Expression.parse(var_name); if (!var_.isTraced()) { Global.stdoutWriteLine("Variable is not traced! Use the \"trace\" instruction to start tracing variables"); return(false); } var_.tracer.rewind(n); return(false); } Global.stdoutWriteLine("split count does not match 3"); return(false); } if (input.StartsWith("peek_trace")) { if (input.Length < 11) { return(false); } Variable var_ = Expression.parse(input.Substring(11)); if (!var_.isTraced()) { Global.stdoutWriteLine("Variable is not traced! Use the \"trace\" instruction to start tracing variables"); return(false); } Alteration alter = var_.tracer.peekEvent().alter; Global.stdoutWriteLine("name : " + alter.name); Global.stdoutWriteLine("variable : " + alter.affected.getName()); Global.stdoutWriteLine("main value : " + StringUtils.dynamic2Str(alter.main_value)); Global.stdoutWriteLine("num minor : " + alter.minor_values.Length); Global.stdoutWriteLine("minor values : " + StringUtils.dynamic2Str(alter.main_value)); Global.stdoutWriteLine("stack count : " + var_.tracer.getStackCount()); Global.stdoutWriteLine("updated : " + var_.tracer.last_stack_count); return(false); } if (input.StartsWith("#")) { Global.stdoutWriteLine("Handling macro parameter"); if (!input.Contains(' ')) { Parser.handleMacro(input.Substring(1), null); return(false); } int index = input.IndexOf(' '); // extract the key & value pair string value = input.Substring(index); input = input.Substring(1, index); // purge pair value = StringUtils.normalizeWhiteSpaces(value); input = StringUtils.normalizeWhiteSpaces(input); Parser.handleMacro(input, value); return(false); } return(true); }