diff options
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/codegen/scope.ts')
| -rw-r--r-- | sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/codegen/scope.ts | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/codegen/scope.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/codegen/scope.ts deleted file mode 100644 index 51199229..00000000 --- a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/codegen/scope.ts +++ /dev/null @@ -1,215 +0,0 @@ -import {_, nil, Code, Name} from "./code" - -interface NameGroup { - prefix: string - index: number -} - -export interface NameValue { - ref: ValueReference // this is the reference to any value that can be referred to from generated code via `globals` var in the closure - key?: unknown // any key to identify a global to avoid duplicates, if not passed ref is used - code?: Code // this is the code creating the value needed for standalone code wit_out closure - can be a primitive value, function or import (`require`) -} - -export type ValueReference = unknown // possibly make CodeGen parameterized type on this type - -class ValueError extends Error { - readonly value?: NameValue - constructor(name: ValueScopeName) { - super(`CodeGen: "code" for ${name} not defined`) - this.value = name.value - } -} - -interface ScopeOptions { - prefixes?: Set<string> - parent?: Scope -} - -interface ValueScopeOptions extends ScopeOptions { - scope: ScopeStore - es5?: boolean - lines?: boolean -} - -export type ScopeStore = Record<string, ValueReference[] | undefined> - -type ScopeValues = { - [Prefix in string]?: Map<unknown, ValueScopeName> -} - -export type ScopeValueSets = { - [Prefix in string]?: Set<ValueScopeName> -} - -export enum UsedValueState { - Started, - Completed, -} - -export type UsedScopeValues = { - [Prefix in string]?: Map<ValueScopeName, UsedValueState | undefined> -} - -export const varKinds = { - const: new Name("const"), - let: new Name("let"), - var: new Name("var"), -} - -export class Scope { - protected readonly _names: {[Prefix in string]?: NameGroup} = {} - protected readonly _prefixes?: Set<string> - protected readonly _parent?: Scope - - constructor({prefixes, parent}: ScopeOptions = {}) { - this._prefixes = prefixes - this._parent = parent - } - - toName(nameOrPrefix: Name | string): Name { - return nameOrPrefix instanceof Name ? nameOrPrefix : this.name(nameOrPrefix) - } - - name(prefix: string): Name { - return new Name(this._newName(prefix)) - } - - protected _newName(prefix: string): string { - const ng = this._names[prefix] || this._nameGroup(prefix) - return `${prefix}${ng.index++}` - } - - private _nameGroup(prefix: string): NameGroup { - if (this._parent?._prefixes?.has(prefix) || (this._prefixes && !this._prefixes.has(prefix))) { - throw new Error(`CodeGen: prefix "${prefix}" is not allowed in this scope`) - } - return (this._names[prefix] = {prefix, index: 0}) - } -} - -interface ScopePath { - property: string - itemIndex: number -} - -export class ValueScopeName extends Name { - readonly prefix: string - value?: NameValue - scopePath?: Code - - constructor(prefix: string, nameStr: string) { - super(nameStr) - this.prefix = prefix - } - - setValue(value: NameValue, {property, itemIndex}: ScopePath): void { - this.value = value - this.scopePath = _`.${new Name(property)}[${itemIndex}]` - } -} - -interface VSOptions extends ValueScopeOptions { - _n: Code -} - -const line = _`\n` - -export class ValueScope extends Scope { - protected readonly _values: ScopeValues = {} - protected readonly _scope: ScopeStore - readonly opts: VSOptions - - constructor(opts: ValueScopeOptions) { - super(opts) - this._scope = opts.scope - this.opts = {...opts, _n: opts.lines ? line : nil} - } - - get(): ScopeStore { - return this._scope - } - - name(prefix: string): ValueScopeName { - return new ValueScopeName(prefix, this._newName(prefix)) - } - - value(nameOrPrefix: ValueScopeName | string, value: NameValue): ValueScopeName { - if (value.ref === undefined) throw new Error("CodeGen: ref must be passed in value") - const name = this.toName(nameOrPrefix) as ValueScopeName - const {prefix} = name - const valueKey = value.key ?? value.ref - let vs = this._values[prefix] - if (vs) { - const _name = vs.get(valueKey) - if (_name) return _name - } else { - vs = this._values[prefix] = new Map() - } - vs.set(valueKey, name) - - const s = this._scope[prefix] || (this._scope[prefix] = []) - const itemIndex = s.length - s[itemIndex] = value.ref - name.setValue(value, {property: prefix, itemIndex}) - return name - } - - getValue(prefix: string, keyOrRef: unknown): ValueScopeName | undefined { - const vs = this._values[prefix] - if (!vs) return - return vs.get(keyOrRef) - } - - scopeRefs(scopeName: Name, values: ScopeValues | ScopeValueSets = this._values): Code { - return this._reduceValues(values, (name: ValueScopeName) => { - if (name.scopePath === undefined) throw new Error(`CodeGen: name "${name}" has no value`) - return _`${scopeName}${name.scopePath}` - }) - } - - scopeCode( - values: ScopeValues | ScopeValueSets = this._values, - usedValues?: UsedScopeValues, - getCode?: (n: ValueScopeName) => Code | undefined - ): Code { - return this._reduceValues( - values, - (name: ValueScopeName) => { - if (name.value === undefined) throw new Error(`CodeGen: name "${name}" has no value`) - return name.value.code - }, - usedValues, - getCode - ) - } - - private _reduceValues( - values: ScopeValues | ScopeValueSets, - valueCode: (n: ValueScopeName) => Code | undefined, - usedValues: UsedScopeValues = {}, - getCode?: (n: ValueScopeName) => Code | undefined - ): Code { - let code: Code = nil - for (const prefix in values) { - const vs = values[prefix] - if (!vs) continue - const nameSet = (usedValues[prefix] = usedValues[prefix] || new Map()) - vs.forEach((name: ValueScopeName) => { - if (nameSet.has(name)) return - nameSet.set(name, UsedValueState.Started) - let c = valueCode(name) - if (c) { - const def = this.opts.es5 ? varKinds.var : varKinds.const - code = _`${code}${def} ${name} = ${c};${this.opts._n}` - } else if ((c = getCode?.(name))) { - code = _`${code}${c}${this.opts._n}` - } else { - throw new ValueError(name) - } - nameSet.set(name, UsedValueState.Completed) - }) - } - return code - } -} |