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class ActiveMemory {
constructor() {
this.ram = []
this.cloned = false
}
clone() {
let ret = new ActiveMemory();
ret.ram = this.ram
ret.cloned = true
return ret
}
add(...items) {
if (this.cloned) { this.ram = this.ram.slice(); this.cloned = false; }
for (let item of items)
this.ram.push(item)
}
del(...items) {
if (this.cloned) { this.ram = this.ram.slice(); this.cloned = false; }
for (let item of items) {
let index = this.ram.indexOf(item)
this.ram.splice(index, 1)
}
}
contains(...items) {
for (let item of items)
if (this.ram.indexOf(item) === -1) return false
return true
}
containsWith(...props) {
let ret = []
outer: for (let a of this.ram) {
for (let b of props)
if (! a.has(b))
continue outer
return true
}
return false
}
getWith(...props) {
let ret = []
outer: for (let a of this.ram) {
for (let b of props)
if (! a.has(b))
continue outer
ret.push(a)
}
if (ret.length > 0) return ret
return null
}
}
class StringData extends String {
constructor(str, from) {
super(str)
this.props = new Set(from && from.props)
this.add('string')
this.del('array')
}
add(val) {
this.props.add(val)
}
has(val) {
return this.props.has(val)
}
del(val) {
this.props.delete(val)
}
}
class ArrayData extends Array {
constructor(arr, from) {
super(...arr)
this.props = new Set(from && from.props)
this.add('array')
this.del('string')
}
add(val) {
this.props.add(val)
}
has(val) {
return this.props.has(val)
}
del(val) {
this.props.delete(val)
}
}
class FunctionData {
constructor(name, func, relevence, makes) {
this.name = name
this.props = new Set()
this.props.add('function')
this.props.add(name)
this.call = func
this.relevence = relevence
this.makes = makes
}
add(val) {
this.props.add(val)
}
has(val) {
return this.props.has(val)
}
del(val) {
this.props.delete(val)
}
}
line2words = new FunctionData(
'line2words',
(line) => { // call
let res = new ArrayData(line.split(' '), line)
res.add('words')
return res
},
(ram) => { // relevence
return ram.getWith('text', 'string')
},
['array','words'] // makes
)
respondhello = new FunctionData(
'respondhello',
(words) => { // call
console.log(words[0] + ", user!")
let res = new StringData("said " + words[0])
res.add('output')
res.add('text')
return res
},
(ram) => { // relevence
let res = ram.getWith('words', 'input')
if (res) res = res.filter(x => { x = x[0].toLowerCase(); return x == 'hello' || x == 'hi'})
return res
},
['output', 'text'] // makes
)
// nodejs is missing a succinct read-line-from-stdin function. make our own.
userinput = (() => {
const readline = require('readline')
const lines = []
readline.createInterface({ input: process.stdin }).on('line', (line) => {
lines.push(line)
})
return new FunctionData(
'userinput',
() => { // call
let res = new StringData(lines.shift())
res.add('text')
res.add('input')
return res
},
() => { // relevence
return lines.length > 0
},
['string','text','input'] // makes
)
})()
all_parts = [ line2words, respondhello ]
ram = new ActiveMemory()
optstried = new Set()
steps = []
var readline = require('readline')
readline.createInterface({
input: process.stdin
}).on('line', (line) => {
line = new StringData(line)
line.add('input')
line.add('text')
ram.add(line)
let cont
do {
cont = false
for (let part of all_parts) {
//console.log('for-loop-of-parts ' + part.name)
let rel = part.relevence(ram)
if (rel) {
for (let a of rel) {
//console.log('for-loop-of-rel ' + part.name + ' ' + a)
if (optstried.has(part.name + ' ' + a)) continue;
//console.log('call-part ' + part.name + ' ' + a)
res = part.call(a)
ram.add(res)
//console.log('part-called')
step = [a, part.name, res]
steps.push(step)
console.log('made ' + step)
cont = true
optstried.add(part.name + ' ' + a)
}
}
}
} while (cont)
})
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