Improve repl regexp handling

- handle regexp with flags in repl completion - group config_jscalc customisations

Author: chqrlie

repl.js

@@ -67,38 +67,20 @@ import * as os from "os";
  bright_white: "\x1b[37;1m",
  };
 
- var styles;
- if (config_numcalc) {
- styles = {
- 'default': 'black',
- 'comment': 'white',
- 'string': 'green',
- 'regex': 'cyan',
- 'number': 'green',
- 'keyword': 'blue',
- 'function': 'gray',
- 'type': 'bright_magenta',
- 'identifier': 'yellow',
- 'error': 'bright_red',
- 'result': 'black',
- 'error_msg': 'bright_red',
- };
- } else {
- styles = {
- 'default': 'bright_green',
- 'comment': 'white',
- 'string': 'bright_cyan',
- 'regex': 'cyan',
- 'number': 'green',
- 'keyword': 'bright_white',
- 'function': 'bright_yellow',
- 'type': 'bright_magenta',
- 'identifier': 'bright_green',
- 'error': 'red',
- 'result': 'bright_white',
- 'error_msg': 'bright_red',
- };
- }
+ var styles = {
+ 'default': 'bright_green',
+ 'comment': 'white',
+ 'string': 'bright_cyan',
+ 'regex': 'cyan',
+ 'number': 'green',
+ 'keyword': 'bright_white',
+ 'function': 'bright_yellow',
+ 'type': 'bright_magenta',
+ 'identifier': 'bright_green',
+ 'error': 'red',
+ 'result': 'bright_white',
+ 'error_msg': 'bright_red',
+ };
 
  var history = [];
  var clip_board = "";
@@ -109,11 +91,7 @@ import * as os from "os";
  var pstate = "";
  var prompt = "";
  var plen = 0;
- var ps1;
- if (config_numcalc)
- ps1 = "> ";
- else
- ps1 = "qjs > ";
+ var ps1 = "qjs > ";
  var ps2 = " ... ";
  var utf8 = true;
  var show_time = false;
@@ -613,6 +591,9 @@ import * as os from "os";
  base = get_context_word(line, pos);
  if (["true", "false", "null", "this"].includes(base) || !isNaN(+base))
  return eval(base);
+ // Check if `base` is a set of regexp flags
+ if (pos - base.length >= 3 && line[pos - base.length - 1] === '/')
+ return new RegExp('', base);
  obj = get_context_object(line, pos - base.length);
  if (obj === null || obj === void 0)
  return obj;
@@ -1181,6 +1162,23 @@ import * as os from "os";
  }
 
  if (config_numcalc) {
+ styles = {
+ 'default': 'black',
+ 'comment': 'white',
+ 'string': 'green',
+ 'regex': 'cyan',
+ 'number': 'green',
+ 'keyword': 'blue',
+ 'function': 'gray',
+ 'type': 'bright_magenta',
+ 'identifier': 'yellow',
+ 'error': 'bright_red',
+ 'result': 'black',
+ 'error_msg': 'bright_red',
+ };
+
+ ps1 = "> ";
+
  /* called by the GUI */
  g.execCmd = function (cmd) {
  switch(cmd) {