split out the lang.js example....

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

argv.js

@@ -44,6 +44,10 @@ module.THEN =
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
+// NOTE: it would be great to make .message a prop and handle '$ARG' 
+// 		replacement but JS uses it internally in a non standard way 
+// 		so the prop is circumvented internally... (XXX)
+// 		...currently the substitution is done in .printError(..)
 module.ParserError = 
 	object.Constructor('ParserError', Error, {
 		// NOTE: I do not get why JavaScript's Error implements this 
@@ -286,7 +290,7 @@ object.Constructor('Parser', {
 }, {
 	// config...
 	//
-	// NOTE: this must contain two goups the first is the prefix and the 
+	// NOTE: this must contain two groups the first is the prefix and the 
 	// 		second must contain the option name...
 	// NOTE: we only care about differentiating an option from a command
 	// 		here by design...
@@ -851,7 +855,7 @@ object.Constructor('Parser', {
 
 	// Post parsing callbacks...
 	//
-	// 	.then(callback(unhandleed, root_value, rest))
+	// 	.then(callback(unhandled, root_value, rest))
 	//
 	// 	.stop(callback(arg, rest))
 	// 	.error(callback(reason, arg, rest))

examples/lang.js

@@ -0,0 +1,110 @@
+#!/usr/bin/env node
+
+var argv = require('../argv')
+
+var parser = 
+exports.parser =
+argv.Parser({
+	// XXX for testing, remove when done...
+	'-echo': function(...args){
+		console.log('ECHO:', ...args)},
+
+	// helpers...
+	push: function(...items){
+		this.unhandled.splice(this.unhandled.length, 0, ...items) 
+		return this },
+	exec: function(...items){
+		this.rest.splice(0, 0, ...items) 
+		return this }, 
+
+	pre_ns: argv.Parser({
+	}),
+
+	// XXX do not like the split namespaces....
+	ns: {
+		'[': [ 'blockto', '[:]' ],
+		'(': [ 'blockto', ')', 'exec' ],
+		'quote': [ 'quotenn', '0', '1' ],
+	},
+
+	'@*': function(code, value){
+		this.unhandled.push(...(
+			// type-convert...
+			/^[+-]?[0-9]+$/.test(value) ?
+				[parseInt(value)]
+			: /^[+-]?[0-9.]+$/.test(value) ?
+				[parseFloat(value)]
+			// call user macros...
+			: value in this.ns ?
+				(this.exec(...this.ns[value]), [])
+			// unhandled...
+			: [value])) },
+
+	// XXX hanck...
+	'@quotenn': function(code){
+		var skip = code.shift()
+		var quote = code.shift()
+		this.push(...code.splice(skip, quote)) },
+
+	// XXX this needs blocks to be already made...
+	//	:: ( | name code -- | )
+	'@::': function(code){
+		this.ns[code.shift()] = code.shift() },
+
+	// XXX revise...
+	// 	groupb ( B | .. B -- | [ .. ])
+	// 	groupb ( A:B | .. A .. B .. B -- | [ .. [ .. ] .. ])
+	'@blockto': function(code, do_pack, value){
+		value = value || code.shift()
+		value = value instanceof Array ?
+			value
+			: value.split(':')
+		var [f, t] = value.length == 1 ? 
+			[undefined, ...value] 
+			: value
+		var pack = []
+		var cur = code.shift()
+		while(code.length > 0 && cur != t){
+			cur = cur == f ?
+				this['@blockto'](code, false, value)
+				: cur
+			pack.push(cur) 
+			cur = code.shift() }
+		do_pack !== false
+			&& code.unshift(pack)
+		return pack },
+	'@exec': function(code){
+		var c = this.unhandled.pop()
+		code.splice(0, 0, ...(c instanceof Array ? c : [c])) },
+
+	'@exit': '-',
+
+	'@dup': function(){
+		this.push(...this.unhandled.slice(-1)) },
+	'@dup2': function(){
+		this.push(...this.unhandled.slice(-2)) },
+
+	'@print': function(){
+		this.print(this.unhandled.pop()) },
+
+	'@add': function(){
+		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
+		this.unhandled.push(a + b) },
+	'@sub': function(){
+		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
+		this.unhandled.push(a - b) },
+	'@mul': function(){
+		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
+		this.unhandled.push(a * b) },
+	'@div': function(){
+		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
+		this.unhandled.push(a / b) },
+
+})
+.then(function(){
+	this.print('>>>', this.unhandled) })
+
+
+
+	
+// vim:set ts=4 sw=4 spell :

test.js

@@ -16,6 +16,7 @@ var argv = require('./argv')
 
 var bare = module.bare = require('./examples/bare').parser
 var options = module.options = require('./examples/options').parser
+var lang = module.lang = require('./examples/lang').parser
 
 
 
@@ -158,6 +159,8 @@ argv.Parser({
 		'@bare': bare,
 		'@opts': options,
 
+		'@lang': lang,
+
 
 		// collision test...
 		// NOTE: values of these will shadow the API...
@@ -176,112 +179,6 @@ argv.Parser({
 
 
 
-var lang =
-module.lang =
-argv.Parser({
-	// handle both +x and -x
-	optionInputPattern: /^([+-])\1?([^+-].*|)$/,
-
-	// XXX for testing, remove when done...
-	'-echo': function(...args){
-		console.log('ECHO:', ...args)},
-
-	// helpers...
-	push: function(...items){
-		this.unhandled.splice(this.unhandled.length, 0, ...items) 
-		return this },
-	exec: function(...items){
-		this.rest.splice(0, 0, ...items) 
-		return this }, 
-
-	pre_ns: argv.Parser({
-	}),
-
-	// XXX do not like the split namespaces....
-	ns: {
-		'[': [ 'blockto', '[:]' ],
-		'(': [ 'blockto', ')', 'exec' ],
-		'quote': [ 'quotenn', '0', '1' ],
-	},
-
-	'@*': function(code, value){
-		this.unhandled.push(...(
-			// type-convert...
-			/^[+-]?[0-9]+$/.test(value) ?
-				[parseInt(value)]
-			: /^[+-]?[0-9.]+$/.test(value) ?
-				[parseFloat(value)]
-			// call user macros...
-			: value in this.ns ?
-				(this.exec(...this.ns[value]), [])
-			// unhandled...
-			: [value])) },
-
-	// XXX hanck...
-	'@quotenn': function(code){
-		var skip = code.shift()
-		var quote = code.shift()
-		this.push(...code.splice(skip, quote)) },
-
-	// XXX this needs blocks to be already made...
-	//	:: ( | name code -- | )
-	'@::': function(code){
-		this.ns[code.shift()] = code.shift() },
-
-	// XXX revise...
-	// 	groupb ( B | .. B -- | [ .. ])
-	// 	groupb ( A:B | .. A .. B .. B -- | [ .. [ .. ] .. ])
-	'@blockto': function(code, do_pack, value){
-		value = value || code.shift()
-		value = value instanceof Array ?
-			value
-			: value.split(':')
-		var [f, t] = value.length == 1 ? 
-			[undefined, ...value] 
-			: value
-		var pack = []
-		var cur = code.shift()
-		while(code.length > 0 && cur != t){
-			cur = cur == f ?
-				this['@blockto'](code, false, value)
-				: cur
-			pack.push(cur) 
-			cur = code.shift() }
-		do_pack !== false
-			&& code.unshift(pack)
-		return pack },
-	'@exec': function(code){
-		var c = this.unhandled.pop()
-		code.splice(0, 0, ...(c instanceof Array ? c : [c])) },
-
-	'@exit': '-',
-
-	'@dup': function(){
-		this.push(...this.unhandled.slice(-1)) },
-	'@dup2': function(){
-		this.push(...this.unhandled.slice(-2)) },
-
-	'@print': function(){
-		this.print(this.unhandled.pop()) },
-
-	'@add': function(){
-		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
-		this.unhandled.push(a + b) },
-	'@sub': function(){
-		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
-		this.unhandled.push(a - b) },
-	'@mul': function(){
-		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
-		this.unhandled.push(a * b) },
-	'@div': function(){
-		var [b, a] = [this.unhandled.pop(), this.unhandled.pop()]
-		this.unhandled.push(a / b) },
-
-})
-.then(function(){
-	this.print('>>>', this.unhandled) })
-
-
 /*
 console.log('  ->', p(['test', '--verbose', 'a', 'b', 'c']))