tibu
Version:
tibu is a low fuss high fun PEG parser generator/DSL written in TypeScript
70 lines • 6.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tibu_1 = require("../tibu");
var all = tibu_1.Tibu.all, either = tibu_1.Tibu.either, rule = tibu_1.Tibu.rule, many = tibu_1.Tibu.many, parse = tibu_1.Tibu.parse, token = tibu_1.Tibu.token, optional = tibu_1.Tibu.optional;
var explain = function (thisrule) {
var asarr = thisrule;
return asarr.map(function (p) {
if (p.__token__) {
if (p.__token__ === p.toString()) {
return p.__token__;
}
else {
return p.__token__ + ":" + p.toString();
}
}
else {
if (p.pattern) {
switch (p.name) {
case "many":
return explain(p.pattern) + "*";
case "optional":
return explain(p.pattern) + "?";
}
return p.name + "(" + explain(p.pattern) + ")";
}
else {
return null;
}
}
}).filter(function (x) { return x; }).join(" ");
};
describe("explain", function () {
it("should explain a basic 1 token rule", function () {
var thisrule = rule(token("basic", "basicpattern"));
expect(explain(thisrule)).toBe("basic:basicpattern");
});
it("should explain a basic 2 token rule", function () {
var thisrule = rule(token("basic", "basic"), " ", token("basic", "basic"));
expect(explain(thisrule)).toBe("basic basic");
});
it("should explain a many token rule", function () {
var thisrule = rule(many(token("basic", "basic")));
expect(explain(thisrule)).toBe("basic*");
});
it("should explain a rule with optionals", function () {
var init = token("init", "init");
var auto = token("auto", "auto");
var git = token("+git", "+git");
var ws = rule(/\s*/);
var EOL = function (input) {
return input.location === input.source.length
? tibu_1.Result.pass(input)
: tibu_1.Result.fault(input);
};
EOL.toString = function () { return ""; };
expect(explain(rule(init, optional(ws, auto), optional(ws, git), EOL)))
.toBe("init auto? +git?");
});
it("should yield with late binding rules", function () {
var rule0 = rule(token("a", "a")).yields(function () { return { result: true }; });
var f = function (r, c) {
r; // ?
c; // ?
return c;
};
var g = parse("aa")(rule(function () { return rule0; }).yields(f));
g; // ?
});
});
//# sourceMappingURL=data:application/json;base64,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