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143
my-app/node_modules/ajv/dist/compile/codegen/scope.js
generated
vendored
Executable file
143
my-app/node_modules/ajv/dist/compile/codegen/scope.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ValueScope = exports.ValueScopeName = exports.Scope = exports.varKinds = exports.UsedValueState = void 0;
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const code_1 = require("./code");
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class ValueError extends Error {
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constructor(name) {
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super(`CodeGen: "code" for ${name} not defined`);
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this.value = name.value;
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}
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}
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var UsedValueState;
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(function (UsedValueState) {
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UsedValueState[UsedValueState["Started"] = 0] = "Started";
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UsedValueState[UsedValueState["Completed"] = 1] = "Completed";
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})(UsedValueState = exports.UsedValueState || (exports.UsedValueState = {}));
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exports.varKinds = {
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const: new code_1.Name("const"),
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let: new code_1.Name("let"),
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var: new code_1.Name("var"),
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};
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class Scope {
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constructor({ prefixes, parent } = {}) {
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this._names = {};
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this._prefixes = prefixes;
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this._parent = parent;
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}
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toName(nameOrPrefix) {
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return nameOrPrefix instanceof code_1.Name ? nameOrPrefix : this.name(nameOrPrefix);
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}
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name(prefix) {
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return new code_1.Name(this._newName(prefix));
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}
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_newName(prefix) {
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const ng = this._names[prefix] || this._nameGroup(prefix);
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return `${prefix}${ng.index++}`;
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}
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_nameGroup(prefix) {
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var _a, _b;
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if (((_b = (_a = this._parent) === null || _a === void 0 ? void 0 : _a._prefixes) === null || _b === void 0 ? void 0 : _b.has(prefix)) || (this._prefixes && !this._prefixes.has(prefix))) {
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throw new Error(`CodeGen: prefix "${prefix}" is not allowed in this scope`);
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}
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return (this._names[prefix] = { prefix, index: 0 });
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}
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}
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exports.Scope = Scope;
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class ValueScopeName extends code_1.Name {
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constructor(prefix, nameStr) {
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super(nameStr);
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this.prefix = prefix;
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}
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setValue(value, { property, itemIndex }) {
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this.value = value;
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this.scopePath = (0, code_1._) `.${new code_1.Name(property)}[${itemIndex}]`;
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}
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}
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exports.ValueScopeName = ValueScopeName;
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const line = (0, code_1._) `\n`;
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class ValueScope extends Scope {
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constructor(opts) {
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super(opts);
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this._values = {};
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this._scope = opts.scope;
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this.opts = { ...opts, _n: opts.lines ? line : code_1.nil };
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}
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get() {
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return this._scope;
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}
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name(prefix) {
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return new ValueScopeName(prefix, this._newName(prefix));
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}
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value(nameOrPrefix, value) {
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var _a;
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if (value.ref === undefined)
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throw new Error("CodeGen: ref must be passed in value");
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const name = this.toName(nameOrPrefix);
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const { prefix } = name;
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const valueKey = (_a = value.key) !== null && _a !== void 0 ? _a : value.ref;
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let vs = this._values[prefix];
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if (vs) {
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const _name = vs.get(valueKey);
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if (_name)
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return _name;
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}
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else {
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vs = this._values[prefix] = new Map();
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}
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vs.set(valueKey, name);
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const s = this._scope[prefix] || (this._scope[prefix] = []);
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const itemIndex = s.length;
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s[itemIndex] = value.ref;
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name.setValue(value, { property: prefix, itemIndex });
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return name;
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}
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getValue(prefix, keyOrRef) {
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const vs = this._values[prefix];
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if (!vs)
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return;
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return vs.get(keyOrRef);
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}
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scopeRefs(scopeName, values = this._values) {
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return this._reduceValues(values, (name) => {
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if (name.scopePath === undefined)
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throw new Error(`CodeGen: name "${name}" has no value`);
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return (0, code_1._) `${scopeName}${name.scopePath}`;
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});
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}
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scopeCode(values = this._values, usedValues, getCode) {
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return this._reduceValues(values, (name) => {
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if (name.value === undefined)
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throw new Error(`CodeGen: name "${name}" has no value`);
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return name.value.code;
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}, usedValues, getCode);
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}
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_reduceValues(values, valueCode, usedValues = {}, getCode) {
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let code = code_1.nil;
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for (const prefix in values) {
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const vs = values[prefix];
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if (!vs)
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continue;
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const nameSet = (usedValues[prefix] = usedValues[prefix] || new Map());
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vs.forEach((name) => {
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if (nameSet.has(name))
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return;
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nameSet.set(name, UsedValueState.Started);
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let c = valueCode(name);
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if (c) {
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const def = this.opts.es5 ? exports.varKinds.var : exports.varKinds.const;
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code = (0, code_1._) `${code}${def} ${name} = ${c};${this.opts._n}`;
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}
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else if ((c = getCode === null || getCode === void 0 ? void 0 : getCode(name))) {
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code = (0, code_1._) `${code}${c}${this.opts._n}`;
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}
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else {
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throw new ValueError(name);
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}
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nameSet.set(name, UsedValueState.Completed);
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});
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}
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return code;
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}
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}
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exports.ValueScope = ValueScope;
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//# sourceMappingURL=scope.js.map
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