import { __exports as scope } from "../../../../../../../../_virtual/scope.js";
import { __require as requireCode } from "./code.js";
var hasRequiredScope;
function requireScope() {
  if (hasRequiredScope) return scope;
  hasRequiredScope = 1;
  (function(exports) {
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.ValueScope = exports.ValueScopeName = exports.Scope = exports.varKinds = exports.UsedValueState = void 0;
    const code_1 = requireCode();
    class ValueError extends Error {
      constructor(name) {
        super(`CodeGen: "code" for ${name} not defined`);
        this.value = name.value;
      }
    }
    var UsedValueState;
    (function(UsedValueState2) {
      UsedValueState2[UsedValueState2["Started"] = 0] = "Started";
      UsedValueState2[UsedValueState2["Completed"] = 1] = "Completed";
    })(UsedValueState || (exports.UsedValueState = UsedValueState = {}));
    exports.varKinds = {
      const: new code_1.Name("const"),
      let: new code_1.Name("let"),
      var: new code_1.Name("var")
    };
    class Scope {
      constructor({ prefixes, parent } = {}) {
        this._names = {};
        this._prefixes = prefixes;
        this._parent = parent;
      }
      toName(nameOrPrefix) {
        return nameOrPrefix instanceof code_1.Name ? nameOrPrefix : this.name(nameOrPrefix);
      }
      name(prefix) {
        return new code_1.Name(this._newName(prefix));
      }
      _newName(prefix) {
        const ng = this._names[prefix] || this._nameGroup(prefix);
        return `${prefix}${ng.index++}`;
      }
      _nameGroup(prefix) {
        var _a, _b;
        if (((_b = (_a = this._parent) === null || _a === void 0 ? void 0 : _a._prefixes) === null || _b === void 0 ? void 0 : _b.has(prefix)) || this._prefixes && !this._prefixes.has(prefix)) {
          throw new Error(`CodeGen: prefix "${prefix}" is not allowed in this scope`);
        }
        return this._names[prefix] = { prefix, index: 0 };
      }
    }
    exports.Scope = Scope;
    class ValueScopeName extends code_1.Name {
      constructor(prefix, nameStr) {
        super(nameStr);
        this.prefix = prefix;
      }
      setValue(value, { property, itemIndex }) {
        this.value = value;
        this.scopePath = (0, code_1._)`.${new code_1.Name(property)}[${itemIndex}]`;
      }
    }
    exports.ValueScopeName = ValueScopeName;
    const line = (0, code_1._)`\n`;
    class ValueScope extends Scope {
      constructor(opts) {
        super(opts);
        this._values = {};
        this._scope = opts.scope;
        this.opts = { ...opts, _n: opts.lines ? line : code_1.nil };
      }
      get() {
        return this._scope;
      }
      name(prefix) {
        return new ValueScopeName(prefix, this._newName(prefix));
      }
      value(nameOrPrefix, value) {
        var _a;
        if (value.ref === void 0)
          throw new Error("CodeGen: ref must be passed in value");
        const name = this.toName(nameOrPrefix);
        const { prefix } = name;
        const valueKey = (_a = value.key) !== null && _a !== void 0 ? _a : value.ref;
        let vs = this._values[prefix];
        if (vs) {
          const _name = vs.get(valueKey);
          if (_name)
            return _name;
        } else {
          vs = this._values[prefix] = /* @__PURE__ */ 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, keyOrRef) {
        const vs = this._values[prefix];
        if (!vs)
          return;
        return vs.get(keyOrRef);
      }
      scopeRefs(scopeName, values = this._values) {
        return this._reduceValues(values, (name) => {
          if (name.scopePath === void 0)
            throw new Error(`CodeGen: name "${name}" has no value`);
          return (0, code_1._)`${scopeName}${name.scopePath}`;
        });
      }
      scopeCode(values = this._values, usedValues, getCode) {
        return this._reduceValues(values, (name) => {
          if (name.value === void 0)
            throw new Error(`CodeGen: name "${name}" has no value`);
          return name.value.code;
        }, usedValues, getCode);
      }
      _reduceValues(values, valueCode, usedValues = {}, getCode) {
        let code = code_1.nil;
        for (const prefix in values) {
          const vs = values[prefix];
          if (!vs)
            continue;
          const nameSet = usedValues[prefix] = usedValues[prefix] || /* @__PURE__ */ new Map();
          vs.forEach((name) => {
            if (nameSet.has(name))
              return;
            nameSet.set(name, UsedValueState.Started);
            let c = valueCode(name);
            if (c) {
              const def = this.opts.es5 ? exports.varKinds.var : exports.varKinds.const;
              code = (0, code_1._)`${code}${def} ${name} = ${c};${this.opts._n}`;
            } else if (c = getCode === null || getCode === void 0 ? void 0 : getCode(name)) {
              code = (0, code_1._)`${code}${c}${this.opts._n}`;
            } else {
              throw new ValueError(name);
            }
            nameSet.set(name, UsedValueState.Completed);
          });
        }
        return code;
      }
    }
    exports.ValueScope = ValueScope;
  })(scope);
  return scope;
}
export {
  requireScope as __require
};
//# sourceMappingURL=scope.js.map
