Spaces:
Runtime error
Runtime error
File size: 5,198 Bytes
23ac194 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | "use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ValueScope = exports.ValueScopeName = exports.Scope = exports.varKinds = exports.UsedValueState = void 0;
const code_1 = require("./code");
class ValueError extends Error {
constructor(name) {
super(`CodeGen: "code" for ${name} not defined`);
this.value = name.value;
}
}
var UsedValueState;
(function (UsedValueState) {
UsedValueState[UsedValueState["Started"] = 0] = "Started";
UsedValueState[UsedValueState["Completed"] = 1] = "Completed";
})(UsedValueState || (exports.UsedValueState = UsedValueState = {}));
exports.varKinds = {
const: new code_1.Name("const"),
let: new code_1.Name("let"),
var: new code_1.Name("var"),
};
class Scope {
constructor({ prefixes, parent } = {}) {
this._names = {};
this._prefixes = prefixes;
this._parent = parent;
}
toName(nameOrPrefix) {
return nameOrPrefix instanceof code_1.Name ? nameOrPrefix : this.name(nameOrPrefix);
}
name(prefix) {
return new code_1.Name(this._newName(prefix));
}
_newName(prefix) {
const ng = this._names[prefix] || this._nameGroup(prefix);
return `${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 === undefined)
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] = 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 === undefined)
throw new Error(`CodeGen: name "${name}" has no value`);
return (0, code_1._) `${scopeName}${name.scopePath}`;
});
}
scopeCode(values = this._values, usedValues, getCode) {
return this._reduceValues(values, (name) => {
if (name.value === undefined)
throw new Error(`CodeGen: name "${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] || 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;
//# sourceMappingURL=scope.js.map |