ts-simple-ast
Version:
TypeScript compiler wrapper for AST navigation and code generation.
51 lines (50 loc) • 2.27 kB
JavaScript
;
var __values = (this && this.__values)/* istanbul ignore next */ || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
Object.defineProperty(exports, "__esModule", { value: true });
var errors = require("./../../errors");
var NodeHandlerHelper_1 = require("./NodeHandlerHelper");
/**
* Replacement handler for replacing parts of the tree that should be equal.
*/
var StraightReplacementNodeHandler = /** @class */ (function () {
function StraightReplacementNodeHandler(compilerFactory) {
this.compilerFactory = compilerFactory;
this.helper = new NodeHandlerHelper_1.NodeHandlerHelper(compilerFactory);
}
StraightReplacementNodeHandler.prototype.handleNode = function (currentNode, newNode) {
/* istanbul ignore if */
if (currentNode.getKind() !== newNode.getKind())
throw new errors.InvalidOperationError("Error replacing tree! Perhaps a syntax error was inserted " +
("(Current: " + currentNode.getKindName() + " -- New: " + newNode.getKindName() + ")."));
var newNodeChildren = newNode.getChildrenIterator();
try {
for (var _a = __values(currentNode.getCompilerChildren()), _b = _a.next(); !_b.done; _b = _a.next()) {
var currentNodeChild = _b.value;
this.helper.handleForValues(this, currentNodeChild, newNodeChildren.next().value);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_1) throw e_1.error; }
}
/* istanbul ignore if */
if (!newNodeChildren.next().done)
throw new Error("Error replacing tree: Should not have new children left over.");
this.compilerFactory.replaceCompilerNode(currentNode, newNode.compilerNode);
var e_1, _c;
};
return StraightReplacementNodeHandler;
}());
exports.StraightReplacementNodeHandler = StraightReplacementNodeHandler;