395 lines
17 KiB
JavaScript
395 lines
17 KiB
JavaScript
import { substituteParams } from '../../script.js';
|
|
import { delay, escapeRegex } from '../utils.js';
|
|
import { SlashCommand } from './SlashCommand.js';
|
|
import { SlashCommandAbortController } from './SlashCommandAbortController.js';
|
|
import { SlashCommandBreak } from './SlashCommandBreak.js';
|
|
import { SlashCommandBreakController } from './SlashCommandBreakController.js';
|
|
import { SlashCommandBreakPoint } from './SlashCommandBreakPoint.js';
|
|
import { SlashCommandClosureResult } from './SlashCommandClosureResult.js';
|
|
import { SlashCommandDebugController } from './SlashCommandDebugController.js';
|
|
import { SlashCommandExecutor } from './SlashCommandExecutor.js';
|
|
import { SlashCommandNamedArgumentAssignment } from './SlashCommandNamedArgumentAssignment.js';
|
|
import { SlashCommandScope } from './SlashCommandScope.js';
|
|
|
|
export class SlashCommandClosure {
|
|
/**@type {SlashCommandScope}*/ scope;
|
|
/**@type {boolean}*/ executeNow = false;
|
|
// @ts-ignore
|
|
/**@type {SlashCommandNamedArgumentAssignment[]}*/ argumentList = [];
|
|
// @ts-ignore
|
|
/**@type {SlashCommandNamedArgumentAssignment[]}*/ providedArgumentList = [];
|
|
/**@type {SlashCommandExecutor[]}*/ executorList = [];
|
|
/**@type {SlashCommandAbortController}*/ abortController;
|
|
/**@type {SlashCommandBreakController}*/ breakController;
|
|
/**@type {SlashCommandDebugController}*/ debugController;
|
|
/**@type {(done:number, total:number)=>void}*/ onProgress;
|
|
/**@type {string}*/ rawText;
|
|
|
|
/**@type {number}*/
|
|
get commandCount() {
|
|
return this.executorList.map(executor=>executor.commandCount).reduce((sum,cur)=>sum + cur, 0);
|
|
}
|
|
|
|
constructor(parent) {
|
|
this.scope = new SlashCommandScope(parent);
|
|
}
|
|
|
|
toString() {
|
|
return `[Closure]${this.executeNow ? '()' : ''}`;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {string} text
|
|
* @param {SlashCommandScope} scope
|
|
* @returns
|
|
*/
|
|
substituteParams(text, scope = null) {
|
|
let isList = false;
|
|
let listValues = [];
|
|
scope = scope ?? this.scope;
|
|
const macros = scope.macroList.map(it=>escapeRegex(it.key)).join('|');
|
|
const re = new RegExp(`({{pipe}})|(?:{{var::([^\\s]+?)(?:::((?!}}).+))?}})|(?:{{(${macros})}})`);
|
|
let done = '';
|
|
let remaining = text;
|
|
while (re.test(remaining)) {
|
|
const match = re.exec(remaining);
|
|
const before = substituteParams(remaining.slice(0, match.index));
|
|
const after = remaining.slice(match.index + match[0].length);
|
|
const replacer = match[1] ? scope.pipe : match[2] ? scope.getVariable(match[2], match[3]) : scope.macroList.find(it=>it.key == match[4])?.value;
|
|
if (replacer instanceof SlashCommandClosure) {
|
|
isList = true;
|
|
if (match.index > 0) {
|
|
listValues.push(before);
|
|
}
|
|
listValues.push(replacer);
|
|
if (match.index + match[0].length + 1 < remaining.length) {
|
|
const rest = this.substituteParams(after, scope);
|
|
listValues.push(...(Array.isArray(rest) ? rest : [rest]));
|
|
}
|
|
break;
|
|
} else {
|
|
done = `${done}${before}${replacer}`;
|
|
remaining = after;
|
|
}
|
|
}
|
|
if (!isList) {
|
|
text = `${done}${substituteParams(remaining)}`;
|
|
}
|
|
|
|
if (isList) {
|
|
if (listValues.length > 1) return listValues;
|
|
return listValues[0];
|
|
}
|
|
return text;
|
|
}
|
|
|
|
getCopy() {
|
|
const closure = new SlashCommandClosure();
|
|
closure.scope = this.scope.getCopy();
|
|
closure.executeNow = this.executeNow;
|
|
closure.argumentList = this.argumentList;
|
|
closure.providedArgumentList = this.providedArgumentList;
|
|
closure.executorList = this.executorList;
|
|
closure.abortController = this.abortController;
|
|
closure.breakController = this.breakController;
|
|
closure.debugController = this.debugController;
|
|
closure.onProgress = this.onProgress;
|
|
return closure;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @returns {Promise<SlashCommandClosureResult>}
|
|
*/
|
|
async execute() {
|
|
const closure = this.getCopy();
|
|
const gen = closure.executeDirect();
|
|
let step;
|
|
while (!step?.done) {
|
|
step = await gen.next(this.debugController?.testStepping(this) ?? false);
|
|
if (!(step.value instanceof SlashCommandClosureResult) && this.debugController) {
|
|
this.debugController.isStepping = await this.debugController.awaitBreakPoint(step.value.closure, step.value.executor);
|
|
}
|
|
}
|
|
return step.value;
|
|
}
|
|
|
|
async * executeGenerator() {
|
|
const closure = this.getCopy();
|
|
const gen = closure.executeDirect();
|
|
let step;
|
|
while (!step?.done) {
|
|
step = await gen.next(this.debugController?.testStepping(this));
|
|
this.debugController.isStepping = yield step.value;
|
|
}
|
|
return step.value;
|
|
}
|
|
|
|
async * executeDirect() {
|
|
this.debugController?.down(this);
|
|
// closure arguments
|
|
for (const arg of this.argumentList) {
|
|
let v = arg.value;
|
|
if (v instanceof SlashCommandClosure) {
|
|
/**@type {SlashCommandClosure}*/
|
|
const closure = v;
|
|
closure.scope.parent = this.scope;
|
|
closure.breakController = this.breakController;
|
|
if (closure.executeNow) {
|
|
v = (await closure.execute())?.pipe;
|
|
} else {
|
|
v = closure;
|
|
}
|
|
} else {
|
|
v = this.substituteParams(v);
|
|
}
|
|
// unescape value
|
|
if (typeof v == 'string') {
|
|
v = v
|
|
?.replace(/\\\{/g, '{')
|
|
?.replace(/\\\}/g, '}')
|
|
;
|
|
}
|
|
this.scope.letVariable(arg.name, v);
|
|
}
|
|
for (const arg of this.providedArgumentList) {
|
|
let v = arg.value;
|
|
if (v instanceof SlashCommandClosure) {
|
|
/**@type {SlashCommandClosure}*/
|
|
const closure = v;
|
|
closure.scope.parent = this.scope;
|
|
closure.breakController = this.breakController;
|
|
if (closure.executeNow) {
|
|
v = (await closure.execute())?.pipe;
|
|
} else {
|
|
v = closure;
|
|
}
|
|
} else {
|
|
v = this.substituteParams(v, this.scope.parent);
|
|
}
|
|
// unescape value
|
|
if (typeof v == 'string') {
|
|
v = v
|
|
?.replace(/\\\{/g, '{')
|
|
?.replace(/\\\}/g, '}')
|
|
;
|
|
}
|
|
this.scope.setVariable(arg.name, v);
|
|
}
|
|
|
|
if (this.executorList.length == 0) {
|
|
this.scope.pipe = '';
|
|
}
|
|
const stepper = this.executeStep();
|
|
let step;
|
|
while (!step?.done && !this.breakController?.isBreak) {
|
|
// get executor before execution
|
|
step = await stepper.next();
|
|
if (step.value instanceof SlashCommandBreakPoint) {
|
|
console.log('encountered SlashCommandBreakPoint');
|
|
if (this.debugController) {
|
|
// "execute" breakpoint
|
|
step = await stepper.next();
|
|
step = await stepper.next();
|
|
// get next executor
|
|
step = await stepper.next();
|
|
const hasImmediateClosureInNamedArgs = step.value?.namedArgumentList?.find(it=>it.value instanceof SlashCommandClosure && it.value.executeNow);
|
|
const hasImmediateClosureInUnnamedArgs = step.value?.unnamedArgumentList?.find(it=>it.value instanceof SlashCommandClosure && it.value.executeNow);
|
|
if (hasImmediateClosureInNamedArgs || hasImmediateClosureInUnnamedArgs) {
|
|
this.debugController.isStepping = yield { closure:this, executor:step.value };
|
|
} else {
|
|
this.debugController.isStepping = true;
|
|
this.debugController.stepStack[this.debugController.stepStack.length - 1] = true;
|
|
}
|
|
}
|
|
} else if (step.value instanceof SlashCommandBreak) {
|
|
console.log('encountered SlashCommandBreak');
|
|
if (this.breakController) {
|
|
this.breakController?.break();
|
|
break;
|
|
}
|
|
} else if (!step.done && this.debugController?.testStepping(this)) {
|
|
this.debugController.isSteppingInto = false;
|
|
const hasImmediateClosureInNamedArgs = step.value?.namedArgumentList?.find(it=>it.value instanceof SlashCommandClosure && it.value.executeNow);
|
|
const hasImmediateClosureInUnnamedArgs = step.value?.unnamedArgumentList?.find(it=>it.value instanceof SlashCommandClosure && it.value.executeNow);
|
|
if (hasImmediateClosureInNamedArgs || hasImmediateClosureInUnnamedArgs) {
|
|
this.debugController.isStepping = yield { closure:this, executor:step.value };
|
|
}
|
|
}
|
|
// resolve args
|
|
step = await stepper.next();
|
|
if (!step.done && this.debugController?.testStepping(this)) {
|
|
this.debugController.isSteppingInto = false;
|
|
this.debugController.isStepping = yield { closure:this, executor:step.value };
|
|
}
|
|
// execute executor
|
|
step = await stepper.next();
|
|
}
|
|
|
|
// if execution has returned a closure result, return that (should only happen on abort)
|
|
if (step.value instanceof SlashCommandClosureResult) {
|
|
this.debugController?.up();
|
|
return step.value;
|
|
}
|
|
/**@type {SlashCommandClosureResult} */
|
|
const result = Object.assign(new SlashCommandClosureResult(), { pipe: this.scope.pipe, isBreak: this.breakController?.isBreak ?? false });
|
|
this.debugController?.up();
|
|
return result;
|
|
}
|
|
async * executeStep() {
|
|
let done = 0;
|
|
for (const executor of this.executorList) {
|
|
this.onProgress?.(done, this.commandCount);
|
|
this.debugController?.setExecutor(executor);
|
|
yield executor;
|
|
if (executor instanceof SlashCommandBreakPoint) {
|
|
// no execution for breakpoints, just raise counter
|
|
done++;
|
|
yield executor;
|
|
} else if (executor instanceof SlashCommandBreak) {
|
|
done += this.executorList.length - this.executorList.indexOf(executor);
|
|
yield executor;
|
|
} else {
|
|
/**@type {import('./SlashCommand.js').NamedArguments} */
|
|
let args = {
|
|
_scope: this.scope,
|
|
_parserFlags: executor.parserFlags,
|
|
_abortController: this.abortController,
|
|
_hasUnnamedArgument: executor.unnamedArgumentList.length > 0,
|
|
};
|
|
let value;
|
|
// substitute named arguments
|
|
for (const arg of executor.namedArgumentList) {
|
|
if (arg.value instanceof SlashCommandClosure) {
|
|
/**@type {SlashCommandClosure}*/
|
|
const closure = arg.value;
|
|
closure.scope.parent = this.scope;
|
|
closure.breakController = this.breakController;
|
|
if (closure.executeNow) {
|
|
args[arg.name] = (await closure.execute())?.pipe;
|
|
} else {
|
|
args[arg.name] = closure;
|
|
}
|
|
} else {
|
|
args[arg.name] = this.substituteParams(arg.value);
|
|
}
|
|
// unescape named argument
|
|
if (typeof args[arg.name] == 'string') {
|
|
args[arg.name] = args[arg.name]
|
|
?.replace(/\\\{/g, '{')
|
|
?.replace(/\\\}/g, '}')
|
|
;
|
|
}
|
|
}
|
|
|
|
// substitute unnamed argument
|
|
if (executor.unnamedArgumentList.length == 0) {
|
|
if (executor.injectPipe) {
|
|
value = this.scope.pipe;
|
|
args._hasUnnamedArgument = this.scope.pipe !== null && this.scope.pipe !== undefined;
|
|
}
|
|
} else {
|
|
value = [];
|
|
for (let i = 0; i < executor.unnamedArgumentList.length; i++) {
|
|
let v = executor.unnamedArgumentList[i].value;
|
|
if (v instanceof SlashCommandClosure) {
|
|
/**@type {SlashCommandClosure}*/
|
|
const closure = v;
|
|
closure.scope.parent = this.scope;
|
|
closure.breakController = this.breakController;
|
|
if (closure.executeNow) {
|
|
v = (await closure.execute())?.pipe;
|
|
} else {
|
|
v = closure;
|
|
}
|
|
} else {
|
|
v = this.substituteParams(v);
|
|
}
|
|
value[i] = v;
|
|
}
|
|
if (!executor.command.splitUnnamedArgument) {
|
|
if (value.length == 1) {
|
|
value = value[0];
|
|
} else if (!value.find(it=>it instanceof SlashCommandClosure)) {
|
|
value = value.join('');
|
|
}
|
|
}
|
|
}
|
|
// unescape unnamed argument
|
|
if (typeof value == 'string') {
|
|
value = value
|
|
?.replace(/\\\{/g, '{')
|
|
?.replace(/\\\}/g, '}')
|
|
;
|
|
} else if (Array.isArray(value)) {
|
|
value = value.map(v=>{
|
|
if (typeof v == 'string') {
|
|
return v
|
|
?.replace(/\\\{/g, '{')
|
|
?.replace(/\\\}/g, '}');
|
|
}
|
|
return v;
|
|
});
|
|
}
|
|
|
|
let abortResult = await this.testAbortController();
|
|
if (abortResult) {
|
|
return abortResult;
|
|
}
|
|
if (this.debugController) {
|
|
this.debugController.namedArguments = args;
|
|
this.debugController.unnamedArguments = value ?? '';
|
|
}
|
|
yield executor;
|
|
executor.onProgress = (subDone, subTotal)=>this.onProgress?.(done + subDone, this.commandCount);
|
|
const isStepping = this.debugController?.testStepping(this);
|
|
if (this.debugController) {
|
|
this.debugController.isStepping = false || this.debugController.isSteppingInto;
|
|
}
|
|
this.scope.pipe = await executor.command.callback(args, value ?? '');
|
|
if (this.debugController) {
|
|
this.debugController.namedArguments = undefined;
|
|
this.debugController.unnamedArguments = undefined;
|
|
this.debugController.isStepping = isStepping;
|
|
}
|
|
this.#lintPipe(executor.command);
|
|
done += executor.commandCount;
|
|
this.onProgress?.(done, this.commandCount);
|
|
abortResult = await this.testAbortController();
|
|
if (abortResult) {
|
|
return abortResult;
|
|
}
|
|
}
|
|
yield executor;
|
|
}
|
|
}
|
|
|
|
async testPaused() {
|
|
while (!this.abortController?.signal?.aborted && this.abortController?.signal?.paused) {
|
|
await delay(200);
|
|
}
|
|
}
|
|
async testAbortController() {
|
|
await this.testPaused();
|
|
if (this.abortController?.signal?.aborted) {
|
|
const result = new SlashCommandClosureResult();
|
|
result.isAborted = true;
|
|
result.isQuietlyAborted = this.abortController.signal.isQuiet;
|
|
result.abortReason = this.abortController.signal.reason.toString();
|
|
return result;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Auto-fixes the pipe if it is not a valid result for STscript.
|
|
* @param {SlashCommand} command Command being executed
|
|
*/
|
|
#lintPipe(command) {
|
|
if (this.scope.pipe === undefined || this.scope.pipe === null) {
|
|
console.warn(`${command.name} returned undefined or null. Auto-fixing to empty string.`);
|
|
this.scope.pipe = '';
|
|
}
|
|
}
|
|
}
|