ts-budgie/src/nodes/visitors/methodDeclarationVisitor.js

Converts TypeScript code to Budgie.

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __spreadArrays = (this && this.__spreadArrays) || function () {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
var budgie_1 = require("budgie");
var tsutils = require("tsutils");
var ts = require("typescript");
var budgieLine_1 = require("../../output/budgieLine");
var transformation_1 = require("../../output/transformation");
var unsupported_1 = require("../../output/unsupported");
var visitor_1 = require("../visitor");
var noAbstractStaticMethods = "Static methods may not be marked abstract.";
var noBodyComplaint = "Non-abstract methods may not have bodies.";
var unknownReturnTypeComplaint = "Could not parse method return type.";
var MethodDeclarationVisitor = /** @class */ (function (_super) {
    __extends(MethodDeclarationVisitor, _super);
    function MethodDeclarationVisitor() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    MethodDeclarationVisitor.prototype.visit = function (node) {
        var returnType = this.aliaser.getFriendlyReturnTypeName(node);
        if (returnType === undefined) {
            return [transformation_1.Transformation.fromNode(node, this.sourceFile, [unsupported_1.createUnsupportedBudgieLine(unknownReturnTypeComplaint)])];
        }
        var methodArgs = this.accumulateParameters(node.parameters);
        var privacy = this.aliaser.getFriendlyPrivacyName(node);
        var nameSplit = this.nameSplitter.split(node.name.getText(this.sourceFile));
        var name = this.casing.convertToCase(budgie_1.CaseStyle.PascalCase, nameSplit);
        var parameters = __spreadArrays([privacy, name, returnType], methodArgs);
        return tsutils.hasModifier(node.modifiers, ts.SyntaxKind.AbstractKeyword)
            ? this.returnAbstractTransformation(node, parameters)
            : this.returnConcreteTransformation(node, parameters);
    };
    MethodDeclarationVisitor.prototype.returnAbstractTransformation = function (node, parameters) {
        return [transformation_1.Transformation.fromNode(node, this.sourceFile, [this.getAbstractTransformationContents(node, parameters)])];
    };
    MethodDeclarationVisitor.prototype.getAbstractTransformationContents = function (node, parameters) {
        if (node.body !== undefined) {
            return unsupported_1.createUnsupportedBudgieLine(noBodyComplaint);
        }
        if (tsutils.hasModifier(node.modifiers, ts.SyntaxKind.StaticKeyword)) {
            return unsupported_1.createUnsupportedBudgieLine(noAbstractStaticMethods);
        }
        return new (budgieLine_1.BudgieLine.bind.apply(budgieLine_1.BudgieLine, __spreadArrays([void 0, budgie_1.CommandNames.MemberFunctionDeclareAbstract], parameters)))();
    };
    MethodDeclarationVisitor.prototype.returnConcreteTransformation = function (node, parameters) {
        return [transformation_1.Transformation.fromNode(node, this.sourceFile, this.getConcreteTransformationContents(node, parameters))];
    };
    MethodDeclarationVisitor.prototype.getConcreteTransformationContents = function (node, parameters) {
        if (node.body === undefined) {
            return [unsupported_1.createUnsupportedBudgieLine(noBodyComplaint)];
        }
        var bodyNodes = this.router.recurseIntoNodes(node.body.statements);
        var _a = this.getConcreteCommandNames(node), commandStart = _a[0], commandEnd = _a[1];
        return __spreadArrays([new (budgieLine_1.BudgieLine.bind.apply(budgieLine_1.BudgieLine, __spreadArrays([void 0, commandStart], parameters)))()], bodyNodes, [new budgieLine_1.BudgieLine(commandEnd)]);
    };
    MethodDeclarationVisitor.prototype.accumulateParameters = function (declarations) {
        var parameters = [];
        for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
            var declaration = declarations_1[_i];
            var typeName = this.aliaser.getFriendlyTypeName(declaration);
            if (typeName === undefined) {
                return [unsupported_1.createUnsupportedTypeBudgieLine()];
            }
            parameters.push(declaration.name.getText(this.sourceFile));
            parameters.push(typeName);
        }
        return parameters;
    };
    MethodDeclarationVisitor.prototype.getConcreteCommandNames = function (node) {
        return tsutils.hasModifier(node.modifiers, ts.SyntaxKind.StaticKeyword)
            ? [budgie_1.CommandNames.StaticFunctionDeclareStart, budgie_1.CommandNames.StaticFunctionDeclareEnd]
            : [budgie_1.CommandNames.MemberFunctionDeclareStart, budgie_1.CommandNames.MemberFunctionDeclareEnd];
    };
    return MethodDeclarationVisitor;
}(visitor_1.NodeVisitor));
exports.MethodDeclarationVisitor = MethodDeclarationVisitor;
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