Module: Script

Methods

---

<async, inner> script()

The server function. Blank-separated words, read from standard input, have the effects described below. Any other word is interpreted as a path from which an example is merged into the global strings.

word	effect
model	resets all flags and variables.
load	resets global strings.
ebnf, stack, bnf	clear all flags and set a mode.
actions, build, deep, error, follow, greedy, noargs, lookahead, parser, sets, shallow, states	toggle flags.
new	calls model.doNew().
scan	calls model.doScan().
parse	calls model.doParse().
run	calls model.doRun().
1	calls model.doStep(1).
10	calls model.doStep(10).
100	calls model.doStep(100).
exit	terminates the script

Source:

• script.js, line 40

Example

Load an example, compile and run with each parser, overwrite parts, and repeat.

$ node script.js << 'end'
  model eg/06/06.eg      new parse run   stack new parse run
  ebnf  test/06-06a.eg   new parse run   stack new parse run
end