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Refactoring

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syuilo 2019-05-01 18:33:11 +09:00
parent 3444b9c9c8
commit c3cd6ad2d2
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543
src/client/app/common/scripts/aiscript.ts
View file

@ -1,543 +0,0 @@
/**
* AiScript
* evaluator & type checker
*/
import autobind from 'autobind-decorator';
import * as seedrandom from 'seedrandom';
import {
faSuperscript,
faAlignLeft,
faShareAlt,
faSquareRootAlt,
faPlus,
faMinus,
faTimes,
faDivide,
faList,
faQuoteRight,
faEquals,
faGreaterThan,
faLessThan,
faGreaterThanEqual,
faLessThanEqual,
faExclamation,
faNotEqual,
faDice,
faSortNumericUp,
faExchangeAlt,
faRecycle,
} from '@fortawesome/free-solid-svg-icons';
import { faFlag } from '@fortawesome/free-regular-svg-icons';
import { version } from '../../config';
export type Block<V = any> = {
id: string;
type: string;
args: Block[];
value: V;
};
type FnBlock = Block<{
slots: {
name: string;
type: Type;
}[];
expression: Block;
}>;
export type Variable = Block & {
name: string;
};
type Type = 'string' | 'number' | 'boolean' | 'stringArray';
type TypeError = {
arg: number;
expect: Type;
actual: Type;
};
const funcDefs = {
if: { in: ['boolean', 0, 0], out: 0, category: 'flow', icon: faShareAlt, },
for: { in: ['number', 'function'], out: null, category: 'flow', icon: faRecycle, },
not: { in: ['boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
or: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
and: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
add: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faPlus, },
subtract: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faMinus, },
multiply: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faTimes, },
divide: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faDivide, },
eq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: faEquals, },
notEq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: faNotEqual, },
gt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faGreaterThan, },
lt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faLessThan, },
gtEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faGreaterThanEqual, },
ltEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faLessThanEqual, },
strLen: { in: ['string'], out: 'number', category: 'text', icon: faQuoteRight, },
strPick: { in: ['string', 'number'], out: 'string', category: 'text', icon: faQuoteRight, },
strReplace: { in: ['string', 'string', 'string'], out: 'string', category: 'text', icon: faQuoteRight, },
strReverse: { in: ['string'], out: 'string', category: 'text', icon: faQuoteRight, },
join: { in: ['stringArray', 'string'], out: 'string', category: 'text', icon: faQuoteRight, },
stringToNumber: { in: ['string'], out: 'number', category: 'convert', icon: faExchangeAlt, },
numberToString: { in: ['number'], out: 'string', category: 'convert', icon: faExchangeAlt, },
splitStrByLine: { in: ['string'], out: 'stringArray', category: 'convert', icon: faExchangeAlt, },
rannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: faDice, },
dailyRannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: faDice, },
seedRannum: { in: [null, 'number', 'number'], out: 'number', category: 'random', icon: faDice, },
random: { in: ['number'], out: 'boolean', category: 'random', icon: faDice, },
dailyRandom: { in: ['number'], out: 'boolean', category: 'random', icon: faDice, },
seedRandom: { in: [null, 'number'], out: 'boolean', category: 'random', icon: faDice, },
randomPick: { in: [0], out: 0, category: 'random', icon: faDice, },
dailyRandomPick: { in: [0], out: 0, category: 'random', icon: faDice, },
seedRandomPick: { in: [null, 0], out: 0, category: 'random', icon: faDice, },
};
const literalDefs = {
text: { out: 'string', category: 'value', icon: faQuoteRight, },
multiLineText: { out: 'string', category: 'value', icon: faAlignLeft, },
textList: { out: 'stringArray', category: 'value', icon: faList, },
number: { out: 'number', category: 'value', icon: faSortNumericUp, },
ref: { out: null, category: 'value', icon: faSuperscript, },
fn: { out: 'function', category: 'value', icon: faSuperscript, },
};
const blockDefs = [
...Object.entries(literalDefs).map(([k, v]) => ({
type: k, out: v.out, category: v.category, icon: v.icon
})),
...Object.entries(funcDefs).map(([k, v]) => ({
type: k, out: v.out, category: v.category, icon: v.icon
}))
];
function isFnBlock(block: Block): block is FnBlock {
return block.type === 'fn';
}
type PageVar = { name: string; value: any; type: Type; };
const envVarsDef = {
AI: 'string',
URL: 'string',
VERSION: 'string',
LOGIN: 'boolean',
NAME: 'string',
USERNAME: 'string',
USERID: 'string',
NOTES_COUNT: 'number',
FOLLOWERS_COUNT: 'number',
FOLLOWING_COUNT: 'number',
IS_CAT: 'boolean',
MY_NOTES_COUNT: 'number',
MY_FOLLOWERS_COUNT: 'number',
MY_FOLLOWING_COUNT: 'number',
SEED: null,
YMD: 'string',
};
class AiScriptError extends Error {
public info?: any;
constructor(message: string, info?: any) {
super(message);
this.info = info;
// Maintains proper stack trace for where our error was thrown (only available on V8)
if (Error.captureStackTrace) {
Error.captureStackTrace(this, AiScriptError);
}
}
}
class Scope {
private layerdStates: Record<string, any>[];
public name: string;
constructor(layerdStates: Scope['layerdStates'], name?: Scope['name']) {
this.layerdStates = layerdStates;
this.name = name || 'anonymous';
}
@autobind
public createChildScope(states: Record<string, any>, name?: Scope['name']): Scope {
const layer = [states, ...this.layerdStates];
return new Scope(layer, name);
}
/**
* 指定した名前の変数の値を取得します
* @param name 変数名
*/
@autobind
public getState(name: string): any {
for (const later of this.layerdStates) {
const state = later[name];
if (state !== undefined) {
return state;
}
}
throw new AiScriptError(
`No such variable '${name}' in scope '${this.name}'`, {
scope: this.layerdStates
});
}
}
export class AiScript {
private variables: Variable[];
private pageVars: PageVar[];
private envVars: Record<keyof typeof envVarsDef, any>;
public static envVarsDef = envVarsDef;
public static blockDefs = blockDefs;
public static funcDefs = funcDefs;
private opts: {
randomSeed?: string; user?: any; visitor?: any; page?: any; url?: string;
};
constructor(variables: Variable[] = [], pageVars: PageVar[] = [], opts: AiScript['opts'] = {}) {
this.variables = variables;
this.pageVars = pageVars;
this.opts = opts;
const date = new Date();
this.envVars = {
AI: 'kawaii',
VERSION: version,
URL: opts.page ? `${opts.url}/@${opts.page.user.username}/pages/${opts.page.name}` : '',
LOGIN: opts.visitor != null,
NAME: opts.visitor ? opts.visitor.name : '',
USERNAME: opts.visitor ? opts.visitor.username : '',
USERID: opts.visitor ? opts.visitor.id : '',
NOTES_COUNT: opts.visitor ? opts.visitor.notesCount : 0,
FOLLOWERS_COUNT: opts.visitor ? opts.visitor.followersCount : 0,
FOLLOWING_COUNT: opts.visitor ? opts.visitor.followingCount : 0,
IS_CAT: opts.visitor ? opts.visitor.isCat : false,
MY_NOTES_COUNT: opts.user ? opts.user.notesCount : 0,
MY_FOLLOWERS_COUNT: opts.user ? opts.user.followersCount : 0,
MY_FOLLOWING_COUNT: opts.user ? opts.user.followingCount : 0,
SEED: opts.randomSeed ? opts.randomSeed : '',
YMD: `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
};
}
@autobind
public injectVars(vars: Variable[]) {
this.variables = vars;
}
@autobind
public injectPageVars(pageVars: PageVar[]) {
this.pageVars = pageVars;
}
@autobind
public updatePageVar(name: string, value: any) {
this.pageVars.find(v => v.name === name).value = value;
}
@autobind
public updateRandomSeed(seed: string) {
this.opts.randomSeed = seed;
this.envVars.SEED = seed;
}
@autobind
public static isLiteralBlock(v: Block) {
if (v.type === null) return true;
if (literalDefs[v.type]) return true;
return false;
}
@autobind
public typeCheck(v: Block): TypeError | null {
if (AiScript.isLiteralBlock(v)) return null;
const def = AiScript.funcDefs[v.type];
if (def == null) {
throw new Error('Unknown type: ' + v.type);
}
const generic: Type[] = [];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
const type = this.typeInference(v.args[i]);
if (type === null) continue;
if (typeof arg === 'number') {
if (generic[arg] === undefined) {
generic[arg] = type;
} else if (type !== generic[arg]) {
return {
arg: i,
expect: generic[arg],
actual: type
};
}
} else if (type !== arg) {
return {
arg: i,
expect: arg,
actual: type
};
}
}
return null;
}
@autobind
public getExpectedType(v: Block, slot: number): Type | null {
const def = AiScript.funcDefs[v.type];
if (def == null) {
throw new Error('Unknown type: ' + v.type);
}
const generic: Type[] = [];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
const type = this.typeInference(v.args[i]);
if (type === null) continue;
if (typeof arg === 'number') {
if (generic[arg] === undefined) {
generic[arg] = type;
}
}
}
if (typeof def.in[slot] === 'number') {
return generic[def.in[slot]] || null;
} else {
return def.in[slot];
}
}
@autobind
public typeInference(v: Block): Type | null {
if (v.type === null) return null;
if (v.type === 'text') return 'string';
if (v.type === 'multiLineText') return 'string';
if (v.type === 'textList') return 'stringArray';
if (v.type === 'number') return 'number';
if (v.type === 'ref') {
const variable = this.variables.find(va => va.name === v.value);
if (variable) {
return this.typeInference(variable);
}
const pageVar = this.pageVars.find(va => va.name === v.value);
if (pageVar) {
return pageVar.type;
}
const envVar = AiScript.envVarsDef[v.value];
if (envVar !== undefined) {
return envVar;
}
return null;
}
if (v.type === 'fn') return null; // todo
if (v.type.startsWith('fn:')) return null; // todo
const generic: Type[] = [];
const def = AiScript.funcDefs[v.type];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
if (typeof arg === 'number') {
const type = this.typeInference(v.args[i]);
if (generic[arg] === undefined) {
generic[arg] = type;
} else {
if (type !== generic[arg]) {
generic[arg] = null;
}
}
}
}
if (typeof def.out === 'number') {
return generic[def.out];
} else {
return def.out;
}
}
@autobind
public getVarsByType(type: Type | null): Variable[] {
if (type == null) return this.variables;
return this.variables.filter(x => (this.typeInference(x) === null) || (this.typeInference(x) === type));
}
@autobind
public getVarByName(name: string): Variable {
return this.variables.find(x => x.name === name);
}
@autobind
public getEnvVarsByType(type: Type | null): string[] {
if (type == null) return Object.keys(AiScript.envVarsDef);
return Object.entries(AiScript.envVarsDef).filter(([k, v]) => v === null || type === v).map(([k, v]) => k);
}
@autobind
public getPageVarsByType(type: Type | null): string[] {
if (type == null) return this.pageVars.map(v => v.name);
return this.pageVars.filter(v => type === v.type).map(v => v.name);
}
@autobind
private interpolate(str: string, scope: Scope) {
return str.replace(/\{(.+?)\}/g, match => {
const v = scope.getState(match.slice(1, -1).trim());
return v == null ? 'NULL' : v.toString();
});
}
@autobind
public evaluateVars(): Record<string, any> {
const values: Record<string, any> = {};
for (const [k, v] of Object.entries(this.envVars)) {
values[k] = v;
}
for (const v of this.pageVars) {
values[v.name] = v.value;
}
for (const v of this.variables) {
values[v.name] = this.evaluate(v, new Scope([values]));
}
return values;
}
@autobind
private evaluate(block: Block, scope: Scope): any {
if (block.type === null) {
return null;
}
if (block.type === 'number') {
return parseInt(block.value, 10);
}
if (block.type === 'text' || block.type === 'multiLineText') {
return this.interpolate(block.value || '', scope);
}
if (block.type === 'textList') {
return block.value.trim().split('\n');
}
if (block.type === 'ref') {
return scope.getState(block.value);
}
if (isFnBlock(block)) { // ユーザー関数定義
return {
slots: block.value.slots.map(x => x.name),
exec: slotArg => {
return this.evaluate(block.value.expression, scope.createChildScope(slotArg, block.id));
}
};
}
if (block.type.startsWith('fn:')) { // ユーザー関数呼び出し
const fnName = block.type.split(':')[1];
const fn = scope.getState(fnName);
const args = {};
for (let i = 0; i < fn.slots.length; i++) {
const name = fn.slots[i];
args[name] = this.evaluate(block.args[i], scope);
}
return fn.exec(args);
}
if (block.args === undefined) return null;
const date = new Date();
const day = `${this.opts.visitor ? this.opts.visitor.id : ''} ${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
const funcs: { [p in keyof typeof funcDefs]: any } = {
not: (a) => !a,
eq: (a, b) => a === b,
notEq: (a, b) => a !== b,
gt: (a, b) => a > b,
lt: (a, b) => a < b,
gtEq: (a, b) => a >= b,
ltEq: (a, b) => a <= b,
or: (a, b) => a || b,
and: (a, b) => a && b,
if: (bool, a, b) => bool ? a : b,
for: (times, fn) => {
const result = [];
for (let i = 0; i < times; i++) {
result.push(fn.exec({
[fn.slots[0]]: i + 1
}));
}
return result;
},
add: (a, b) => a + b,
subtract: (a, b) => a - b,
multiply: (a, b) => a * b,
divide: (a, b) => a / b,
strLen: (a) => a.length,
strPick: (a, b) => a[b - 1],
strReplace: (a, b, c) => a.split(b).join(c),
strReverse: (a) => a.split('').reverse().join(''),
join: (texts, separator) => texts.join(separator || ''),
stringToNumber: (a) => parseInt(a),
numberToString: (a) => a.toString(),
splitStrByLine: (a) => a.split('\n'),
random: (probability) => Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * 100) < probability,
rannum: (min, max) => min + Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * (max - min + 1)),
randomPick: (list) => list[Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * list.length)],
dailyRandom: (probability) => Math.floor(seedrandom(`${day}:${block.id}`)() * 100) < probability,
dailyRannum: (min, max) => min + Math.floor(seedrandom(`${day}:${block.id}`)() * (max - min + 1)),
dailyRandomPick: (list) => list[Math.floor(seedrandom(`${day}:${block.id}`)() * list.length)],
seedRandom: (seed, probability) => Math.floor(seedrandom(seed)() * 100) < probability,
seedRannum: (seed, min, max) => min + Math.floor(seedrandom(seed)() * (max - min + 1)),
seedRandomPick: (seed, list) => list[Math.floor(seedrandom(seed)() * list.length)],
};
const fnName = block.type;
const fn = funcs[fnName];
if (fn == null) {
throw new AiScriptError(`No such function '${fnName}'`);
} else {
return fn(...block.args.map(x => this.evaluate(x, scope)));
}
}
@autobind
public isUsedName(name: string) {
if (this.variables.some(v => v.name === name)) {
return true;
}
if (this.pageVars.some(v => v.name === name)) {
return true;
}
if (AiScript.envVarsDef[name]) {
return true;
}
return false;
}
}

13
src/client/app/common/views/components/page-editor/page-editor.script-block.vue
View file

@ -57,7 +57,7 @@ import Vue from 'vue';
import i18n from '../../../../i18n';
import XContainer from './page-editor.container.vue';
import { faSuperscript, faPencilAlt, faSquareRootAlt } from '@fortawesome/free-solid-svg-icons';
import { AiScript } from '../../../scripts/aiscript';
import { isLiteralBlock, funcDefs, blockDefs } from '../../../../../../misc/aiscript/index';
import * as uuid from 'uuid';
export default Vue.extend({
@ -97,7 +97,6 @@ export default Vue.extend({
data() {
return {
AiScript,
error: null,
warn: null,
slots: '',
@ -109,7 +108,7 @@ export default Vue.extend({
icon(): any {
if (this.value.type === null) return null;
if (this.value.type.startsWith('fn:')) return null;
return AiScript.blockDefs.find(x => x.type === this.value.type).icon;
return blockDefs.find(x => x.type === this.value.type).icon;
},
typeText(): any {
if (this.value.type === null) return null;
@ -160,17 +159,17 @@ export default Vue.extend({
return;
}
if (AiScript.isLiteralBlock(this.value)) return;
if (isLiteralBlock(this.value)) return;
const empties = [];
for (let i = 0; i < AiScript.funcDefs[this.value.type].in.length; i++) {
for (let i = 0; i < funcDefs[this.value.type].in.length; i++) {
const id = uuid.v4();
empties.push({ id, type: null });
}
Vue.set(this.value, 'args', empties);
for (let i = 0; i < AiScript.funcDefs[this.value.type].in.length; i++) {
const inType = AiScript.funcDefs[this.value.type].in[i];
for (let i = 0; i < funcDefs[this.value.type].in.length; i++) {
const inType = funcDefs[this.value.type].in[i];
if (typeof inType !== 'number') {
if (inType === 'number') this.value.args[i].type = 'number';
if (inType === 'string') this.value.args[i].type = 'text';

11
src/client/app/common/views/components/page-editor/page-editor.vue
View file

@ -92,7 +92,8 @@ import { faSave, faStickyNote, faTrashAlt } from '@fortawesome/free-regular-svg-
import XVariable from './page-editor.script-block.vue';
import XBlock from './page-editor.block.vue';
import * as uuid from 'uuid';
import { AiScript } from '../../../scripts/aiscript';
import { blockDefs } from '../../../../../../misc/aiscript/index';
import { ASTypeChecker } from '../../../../../../misc/aiscript/type-checker';
import { url } from '../../../../config';
import { collectPageVars } from '../../../scripts/collect-page-vars';
@ -150,14 +151,14 @@ export default Vue.extend({
},
created() {
this.aiScript = new AiScript();
this.aiScript = new ASTypeChecker();
this.$watch('variables', () => {
this.aiScript.injectVars(this.variables);
this.aiScript.variables = this.variables;
}, { deep: true });
this.$watch('content', () => {
this.aiScript.injectPageVars(collectPageVars(this.content));
this.aiScript.pageVars = collectPageVars(this.content);
}, { deep: true });
if (this.page) {
@ -352,7 +353,7 @@ export default Vue.extend({
getScriptBlockList(type: string = null) {
const list = [];
const blocks = AiScript.blockDefs.filter(block => type === null || block.out === null || block.out === type);
const blocks = blockDefs.filter(block => type === null || block.out === null || block.out === type);
for (const block of blocks) {
const category = list.find(x => x.category === block.category);

6
src/client/app/common/views/pages/page/page.vue
View file

@ -21,12 +21,12 @@ import i18n from '../../../../i18n';
import { faICursor, faPlus, faSquareRootAlt } from '@fortawesome/free-solid-svg-icons';
import { faSave, faStickyNote } from '@fortawesome/free-regular-svg-icons';
import XBlock from './page.block.vue';
import { AiScript } from '../../../scripts/aiscript';
import { ASEvaluator } from '../../../../../../misc/aiscript/evaluator';
import { collectPageVars } from '../../../scripts/collect-page-vars';
import { url } from '../../../../config';
class Script {
public aiScript: AiScript;
public aiScript: ASEvaluator;
private onError: any;
public vars: Record<string, any>;
@ -86,7 +86,7 @@ export default Vue.extend({
}).then(page => {
this.page = page;
const pageVars = this.getPageVars();
this.script = new Script(new AiScript(this.page.variables, pageVars, {
this.script = new Script(new ASEvaluator(this.page.variables, pageVars, {
randomSeed: Math.random(),
user: page.user,
visitor: this.$store.state.i,

250
src/misc/aiscript/evaluator.ts Normal file
View file

@ -0,0 +1,250 @@
import autobind from 'autobind-decorator';
import * as seedrandom from 'seedrandom';
import { Variable, PageVar, envVarsDef, funcDefs, Block, isFnBlock } from '.';
type Fn = {
slots: string[];
exec: (args: Record<string, any>) => ReturnType<ASEvaluator['evaluate']>;
};
class AiScriptError extends Error {
public info?: any;
constructor(message: string, info?: any) {
super(message);
this.info = info;
// Maintains proper stack trace for where our error was thrown (only available on V8)
if (Error.captureStackTrace) {
Error.captureStackTrace(this, AiScriptError);
}
}
}
class Scope {
private layerdStates: Record<string, any>[];
public name: string;
constructor(layerdStates: Scope['layerdStates'], name?: Scope['name']) {
this.layerdStates = layerdStates;
this.name = name || 'anonymous';
}
@autobind
public createChildScope(states: Record<string, any>, name?: Scope['name']): Scope {
const layer = [states, ...this.layerdStates];
return new Scope(layer, name);
}
/**
* 指定した名前の変数の値を取得します
* @param name 変数名
*/
@autobind
public getState(name: string): any {
for (const later of this.layerdStates) {
const state = later[name];
if (state !== undefined) {
return state;
}
}
throw new AiScriptError(
`No such variable '${name}' in scope '${this.name}'`, {
scope: this.layerdStates
});
}
}
/**
* AiScript evaluator
*/
export class ASEvaluator {
private variables: Variable[];
private pageVars: PageVar[];
private envVars: Record<keyof typeof envVarsDef, any>;
private opts: {
randomSeed: string; user?: any; visitor?: any; page?: any; url?: string; version: string;
};
constructor(variables: Variable[], pageVars: PageVar[], opts: ASEvaluator['opts']) {
this.variables = variables;
this.pageVars = pageVars;
this.opts = opts;
const date = new Date();
this.envVars = {
AI: 'kawaii',
VERSION: opts.version,
URL: opts.page ? `${opts.url}/@${opts.page.user.username}/pages/${opts.page.name}` : '',
LOGIN: opts.visitor != null,
NAME: opts.visitor ? opts.visitor.name : '',
USERNAME: opts.visitor ? opts.visitor.username : '',
USERID: opts.visitor ? opts.visitor.id : '',
NOTES_COUNT: opts.visitor ? opts.visitor.notesCount : 0,
FOLLOWERS_COUNT: opts.visitor ? opts.visitor.followersCount : 0,
FOLLOWING_COUNT: opts.visitor ? opts.visitor.followingCount : 0,
IS_CAT: opts.visitor ? opts.visitor.isCat : false,
MY_NOTES_COUNT: opts.user ? opts.user.notesCount : 0,
MY_FOLLOWERS_COUNT: opts.user ? opts.user.followersCount : 0,
MY_FOLLOWING_COUNT: opts.user ? opts.user.followingCount : 0,
SEED: opts.randomSeed ? opts.randomSeed : '',
YMD: `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
};
}
@autobind
public updatePageVar(name: string, value: any) {
const pageVar = this.pageVars.find(v => v.name === name);
if (pageVar !== undefined) {
pageVar.value = value;
} else {
throw new AiScriptError(`No such page var '${name}'`);
}
}
@autobind
public updateRandomSeed(seed: string) {
this.opts.randomSeed = seed;
this.envVars.SEED = seed;
}
@autobind
public getVarByName(name: string): Variable {
const v = this.variables.find(x => x.name === name);
if (v !== undefined) {
return v;
} else {
throw new AiScriptError(`No such variable '${name}'`);
}
}
@autobind
private interpolate(str: string, scope: Scope) {
return str.replace(/\{(.+?)\}/g, match => {
const v = scope.getState(match.slice(1, -1).trim());
return v == null ? 'NULL' : v.toString();
});
}
@autobind
public evaluateVars(): Record<string, any> {
const values: Record<string, any> = {};
for (const [k, v] of Object.entries(this.envVars)) {
values[k] = v;
}
for (const v of this.pageVars) {
values[v.name] = v.value;
}
for (const v of this.variables) {
values[v.name] = this.evaluate(v, new Scope([values]));
}
return values;
}
@autobind
private evaluate(block: Block, scope: Scope): any {
if (block.type === null) {
return null;
}
if (block.type === 'number') {
return parseInt(block.value, 10);
}
if (block.type === 'text' || block.type === 'multiLineText') {
return this.interpolate(block.value || '', scope);
}
if (block.type === 'textList') {
return block.value.trim().split('\n');
}
if (block.type === 'ref') {
return scope.getState(block.value);
}
if (isFnBlock(block)) { // ユーザー関数定義
return {
slots: block.value.slots.map(x => x.name),
exec: (slotArg: Record<string, any>) => {
return this.evaluate(block.value.expression, scope.createChildScope(slotArg, block.id));
}
} as Fn;
}
if (block.type.startsWith('fn:')) { // ユーザー関数呼び出し
const fnName = block.type.split(':')[1];
const fn = scope.getState(fnName);
const args = {} as Record<string, any>;
for (let i = 0; i < fn.slots.length; i++) {
const name = fn.slots[i];
args[name] = this.evaluate(block.args[i], scope);
}
return fn.exec(args);
}
if (block.args === undefined) return null;
const date = new Date();
const day = `${this.opts.visitor ? this.opts.visitor.id : ''} ${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
const funcs: { [p in keyof typeof funcDefs]: Function } = {
not: (a: boolean) => !a,
or: (a: boolean, b: boolean) => a || b,
and: (a: boolean, b: boolean) => a && b,
eq: (a: any, b: any) => a === b,
notEq: (a: any, b: any) => a !== b,
gt: (a: number, b: number) => a > b,
lt: (a: number, b: number) => a < b,
gtEq: (a: number, b: number) => a >= b,
ltEq: (a: number, b: number) => a <= b,
if: (bool: boolean, a: any, b: any) => bool ? a : b,
for: (times: number, fn: Fn) => {
const result = [];
for (let i = 0; i < times; i++) {
result.push(fn.exec({
[fn.slots[0]]: i + 1
}));
}
return result;
},
add: (a: number, b: number) => a + b,
subtract: (a: number, b: number) => a - b,
multiply: (a: number, b: number) => a * b,
divide: (a: number, b: number) => a / b,
strLen: (a: string) => a.length,
strPick: (a: string, b: number) => a[b - 1],
strReplace: (a: string, b: string, c: string) => a.split(b).join(c),
strReverse: (a: string) => a.split('').reverse().join(''),
join: (texts: string[], separator: string) => texts.join(separator || ''),
stringToNumber: (a: string) => parseInt(a),
numberToString: (a: number) => a.toString(),
splitStrByLine: (a: string) => a.split('\n'),
random: (probability: number) => Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * 100) < probability,
rannum: (min: number, max: number) => min + Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * (max - min + 1)),
randomPick: (list: any[]) => list[Math.floor(seedrandom(`${this.opts.randomSeed}:${block.id}`)() * list.length)],
dailyRandom: (probability: number) => Math.floor(seedrandom(`${day}:${block.id}`)() * 100) < probability,
dailyRannum: (min: number, max: number) => min + Math.floor(seedrandom(`${day}:${block.id}`)() * (max - min + 1)),
dailyRandomPick: (list: any[]) => list[Math.floor(seedrandom(`${day}:${block.id}`)() * list.length)],
seedRandom: (seed: any, probability: number) => Math.floor(seedrandom(seed)() * 100) < probability,
seedRannum: (seed: any, min: number, max: number) => min + Math.floor(seedrandom(seed)() * (max - min + 1)),
seedRandomPick: (seed: any, list: any[]) => list[Math.floor(seedrandom(seed)() * list.length)],
};
const fnName = block.type;
const fn = (funcs as any)[fnName];
if (fn == null) {
throw new AiScriptError(`No such function '${fnName}'`);
} else {
return fn(...block.args.map(x => this.evaluate(x, scope)));
}
}
}

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/**
* AiScript
*/
import {
faSuperscript,
faAlignLeft,
faShareAlt,
faPlus,
faMinus,
faTimes,
faDivide,
faList,
faQuoteRight,
faEquals,
faGreaterThan,
faLessThan,
faGreaterThanEqual,
faLessThanEqual,
faNotEqual,
faDice,
faSortNumericUp,
faExchangeAlt,
faRecycle,
} from '@fortawesome/free-solid-svg-icons';
import { faFlag } from '@fortawesome/free-regular-svg-icons';
export type Block<V = any> = {
id: string;
type: string;
args: Block[];
value: V;
};
export type FnBlock = Block<{
slots: {
name: string;
type: Type;
}[];
expression: Block;
}>;
export type Variable = Block & {
name: string;
};
export type Type = 'string' | 'number' | 'boolean' | 'stringArray';
export const funcDefs = {
if: { in: ['boolean', 0, 0], out: 0, category: 'flow', icon: faShareAlt, },
for: { in: ['number', 'function'], out: null, category: 'flow', icon: faRecycle, },
not: { in: ['boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
or: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
and: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: faFlag, },
add: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faPlus, },
subtract: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faMinus, },
multiply: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faTimes, },
divide: { in: ['number', 'number'], out: 'number', category: 'operation', icon: faDivide, },
eq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: faEquals, },
notEq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: faNotEqual, },
gt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faGreaterThan, },
lt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faLessThan, },
gtEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faGreaterThanEqual, },
ltEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: faLessThanEqual, },
strLen: { in: ['string'], out: 'number', category: 'text', icon: faQuoteRight, },
strPick: { in: ['string', 'number'], out: 'string', category: 'text', icon: faQuoteRight, },
strReplace: { in: ['string', 'string', 'string'], out: 'string', category: 'text', icon: faQuoteRight, },
strReverse: { in: ['string'], out: 'string', category: 'text', icon: faQuoteRight, },
join: { in: ['stringArray', 'string'], out: 'string', category: 'text', icon: faQuoteRight, },
stringToNumber: { in: ['string'], out: 'number', category: 'convert', icon: faExchangeAlt, },
numberToString: { in: ['number'], out: 'string', category: 'convert', icon: faExchangeAlt, },
splitStrByLine: { in: ['string'], out: 'stringArray', category: 'convert', icon: faExchangeAlt, },
rannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: faDice, },
dailyRannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: faDice, },
seedRannum: { in: [null, 'number', 'number'], out: 'number', category: 'random', icon: faDice, },
random: { in: ['number'], out: 'boolean', category: 'random', icon: faDice, },
dailyRandom: { in: ['number'], out: 'boolean', category: 'random', icon: faDice, },
seedRandom: { in: [null, 'number'], out: 'boolean', category: 'random', icon: faDice, },
randomPick: { in: [0], out: 0, category: 'random', icon: faDice, },
dailyRandomPick: { in: [0], out: 0, category: 'random', icon: faDice, },
seedRandomPick: { in: [null, 0], out: 0, category: 'random', icon: faDice, },
};
export const literalDefs = {
text: { out: 'string', category: 'value', icon: faQuoteRight, },
multiLineText: { out: 'string', category: 'value', icon: faAlignLeft, },
textList: { out: 'stringArray', category: 'value', icon: faList, },
number: { out: 'number', category: 'value', icon: faSortNumericUp, },
ref: { out: null, category: 'value', icon: faSuperscript, },
fn: { out: 'function', category: 'value', icon: faSuperscript, },
};
export const blockDefs = [
...Object.entries(literalDefs).map(([k, v]) => ({
type: k, out: v.out, category: v.category, icon: v.icon
})),
...Object.entries(funcDefs).map(([k, v]) => ({
type: k, out: v.out, category: v.category, icon: v.icon
}))
];
export function isFnBlock(block: Block): block is FnBlock {
return block.type === 'fn';
}
export type PageVar = { name: string; value: any; type: Type; };
export const envVarsDef = {
AI: 'string',
URL: 'string',
VERSION: 'string',
LOGIN: 'boolean',
NAME: 'string',
USERNAME: 'string',
USERID: 'string',
NOTES_COUNT: 'number',
FOLLOWERS_COUNT: 'number',
FOLLOWING_COUNT: 'number',
IS_CAT: 'boolean',
MY_NOTES_COUNT: 'number',
MY_FOLLOWERS_COUNT: 'number',
MY_FOLLOWING_COUNT: 'number',
SEED: null,
YMD: 'string',
};
export function isLiteralBlock(v: Block) {
if (v.type === null) return true;
if (literalDefs[v.type]) return true;
return false;
}

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import autobind from 'autobind-decorator';
import { Type, Block, funcDefs, envVarsDef, Variable, PageVar, isLiteralBlock } from '.';
type TypeError = {
arg: number;
expect: Type;
actual: Type;
};
/**
* AiScript type checker
*/
export class ASTypeChecker {
public variables: Variable[];
public pageVars: PageVar[];
constructor(variables: ASTypeChecker['variables'] = [], pageVars: ASTypeChecker['pageVars'] = []) {
this.variables = variables;
this.pageVars = pageVars;
}
@autobind
public typeCheck(v: Block): TypeError | null {
if (isLiteralBlock(v)) return null;
const def = funcDefs[v.type];
if (def == null) {
throw new Error('Unknown type: ' + v.type);
}
const generic: Type[] = [];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
const type = this.typeInference(v.args[i]);
if (type === null) continue;
if (typeof arg === 'number') {
if (generic[arg] === undefined) {
generic[arg] = type;
} else if (type !== generic[arg]) {
return {
arg: i,
expect: generic[arg],
actual: type
};
}
} else if (type !== arg) {
return {
arg: i,
expect: arg,
actual: type
};
}
}
return null;
}
@autobind
public getExpectedType(v: Block, slot: number): Type | null {
const def = funcDefs[v.type];
if (def == null) {
throw new Error('Unknown type: ' + v.type);
}
const generic: Type[] = [];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
const type = this.typeInference(v.args[i]);
if (type === null) continue;
if (typeof arg === 'number') {
if (generic[arg] === undefined) {
generic[arg] = type;
}
}
}
if (typeof def.in[slot] === 'number') {
return generic[def.in[slot]] || null;
} else {
return def.in[slot];
}
}
@autobind
public typeInference(v: Block): Type | null {
if (v.type === null) return null;
if (v.type === 'text') return 'string';
if (v.type === 'multiLineText') return 'string';
if (v.type === 'textList') return 'stringArray';
if (v.type === 'number') return 'number';
if (v.type === 'ref') {
const variable = this.variables.find(va => va.name === v.value);
if (variable) {
return this.typeInference(variable);
}
const pageVar = this.pageVars.find(va => va.name === v.value);
if (pageVar) {
return pageVar.type;
}
const envVar = envVarsDef[v.value];
if (envVar !== undefined) {
return envVar;
}
return null;
}
if (v.type === 'fn') return null; // todo
if (v.type.startsWith('fn:')) return null; // todo
const generic: Type[] = [];
const def = funcDefs[v.type];
for (let i = 0; i < def.in.length; i++) {
const arg = def.in[i];
if (typeof arg === 'number') {
const type = this.typeInference(v.args[i]);
if (generic[arg] === undefined) {
generic[arg] = type;
} else {
if (type !== generic[arg]) {
generic[arg] = null;
}
}
}
}
if (typeof def.out === 'number') {
return generic[def.out];
} else {
return def.out;
}
}
@autobind
public getVarsByType(type: Type | null): Variable[] {
if (type == null) return this.variables;
return this.variables.filter(x => (this.typeInference(x) === null) || (this.typeInference(x) === type));
}
@autobind
public getEnvVarsByType(type: Type | null): string[] {
if (type == null) return Object.keys(envVarsDef);
return Object.entries(envVarsDef).filter(([k, v]) => v === null || type === v).map(([k, v]) => k);
}
@autobind
public getPageVarsByType(type: Type | null): string[] {
if (type == null) return this.pageVars.map(v => v.name);
return this.pageVars.filter(v => type === v.type).map(v => v.name);
}
@autobind
public isUsedName(name: string) {
if (this.variables.some(v => v.name === name)) {
return true;
}
if (this.pageVars.some(v => v.name === name)) {
return true;
}
if (envVarsDef[name]) {
return true;
}
return false;
}
}