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Diffstat (limited to 'starts/bagel/nascent4.js')
| -rw-r--r-- | starts/bagel/nascent4.js | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/starts/bagel/nascent4.js b/starts/bagel/nascent4.js new file mode 100644 index 0000000..093df79 --- /dev/null +++ b/starts/bagel/nascent4.js @@ -0,0 +1,242 @@ +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 i = 0; i < props.length; i += 2) + if (! a.props.has(props[i], props[i+1])) + continue outer + return true + } + return false + } + getWith(...props) { + let ret = [] + outer: for (let a of this.ram) { + //console.log(a.props.props) + for (let i = 0; i < props.length; i += 2) { + //console.log(props[i] + ': ' + props[i+1] + '?') + if (! a.props.has(props[i], props[i+1])) + continue outer + } + ret.push(a) + } + if (ret.length > 0) return ret + return null + } +} +class Property { + constructor(type, dest) { + this.type = type + this.dest = dest + } +} +class Properties { + constructor(type, from) { + this.props = from ? from.props.slice() : [] + //if (from) {console.log('INHERIT: '); for (let prop of this.props) { console.log(prop) }} + this.add('is', type) + } + toString() { + let str = '' + for (let prop of this.props) { + str += prop.type + ':' + prop.dest + ' ' + } + return str + } + add(type, dest) { + this.props.push(new Property(type, dest)) + } + has(type, dest) { + for (let p of this.props) + if (p.type == type && p.dest == dest) + return true + return false + } + del(type, dest) { + for (let i = 0; i < this.props.length; ++ i) { + let p = this.props[i] + if (p.type == type && p.dest == dest) { + this.props.splice(i, 1) + return true + } + } + return false + } +} +class AbstractData { + constructor(from) { + this.props = new Properties('abstract', from && from.props) + } +} +class StringData extends String { + constructor(str, from) { + super(str) + this.props = new Properties('string', from && from.props) + this.props.del('is', 'array') + } +} +class ArrayData extends Array { + constructor(arr, from) { + super(...arr) + this.props = new Properties('array', from && from.props) + this.props.del('is', 'string') + } +} +class FunctionData { + constructor(name, func, relevence, makes) { + this.name = name + this.props = new Properties('function') + this.props.add('name', name) + this.call = func + this.relevence = relevence + this.makes = makes + } +} + +// variables: +// - create a place to store a value +// createvar = new FunctionData( +// 'createvar', +// /*call*/(name) => { +// let ret = new StringData(name) +// ret.add +// let name = obj_and_name[1] +// }, +// /*relevence*/, +// /*makes*/ +// ) +// - place a value in such a place +// - retrieve a value from such a place +// data-structures: +// - make a class definition (collection of variables) +// - initialize an object +// - set/retrieve properties (variables) +// flow: +// - trigger a different step than the next, conditionally +// procedures: +// - collect a set of behaviors together +// - trigger a collected set of behaviors and continue +// expressions: +// - evaluate arithmetic on variables and constants + +line2words = new FunctionData( + 'line2words', + (line) => { // call + let res = new ArrayData(line.split(' '), line) + res.props.add('is','words') + return res + }, + (ram) => { // relevence + return ram.getWith('is','text', 'is','string') + }, + ['is','array','is','words'] // makes +) + +respondhello = new FunctionData( + 'respondhello', + (words) => { // call + console.log(words[0] + ", user!") + let res = new StringData("said " + words[0]) + res.props.add('is','output') + res.props.add('is','text') + return res + }, + (ram) => { // relevence + let res = ram.getWith('is','words', 'is','input') + if (res) res = res.filter(x => { x = x[0].toLowerCase(); return x == 'hello' || x == 'hi'}) + return res + }, + ['is','output', 'is','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.props.add('is','text') + res.props.add('is','input') + return res + }, + () => { // relevence + return lines.length > 0 + }, + ['is','string','is','text','is','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.props.add('is','input') + line.props.add('is','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) +}) |