For the TypeScript target, make sure to export CommonToken, and the m…

…ethods from Lexer. These are needed for TypeScript ports of various grammars in grammars-v4. Issue #4110. (#4119)

runtime/JavaScript/src/antlr4/CommonToken.d.ts

@@ -0,0 +1,8 @@
+import { Token } from "./Token";
+
+export declare class CommonToken extends Token {
+    constructor(source: number, type: number, channel: number, start: number, stop: number);
+    clone(): CommonToken;
+    cloneWithType(type: number): CommonToken;
+    toString(): string;
+}

runtime/JavaScript/src/antlr4/Lexer.d.ts

@@ -18,7 +18,14 @@ export declare class Lexer extends Recognizer<number> {
     _type: number;
 
     constructor(input: CharStream);
+    reset(): void;
     nextToken(): Token;
+    skip(): void;
+    more(): void;
+    more(m: number): void;
+    pushMode(m: number): void;
+    popMode(): number;
+    emitToken(token: Token): void;
     emit(): Token;
-    reset(): void;
+    emitEOF(): Token;
 }

runtime/JavaScript/src/antlr4/index.d.ts

@@ -4,6 +4,7 @@ export * from "./CharStream";
 export * from "./CharStreams";
 export * from "./TokenStream";
 export * from "./BufferedTokenStream";
+export * from "./CommonToken";
 export * from "./CommonTokenStream";
 export * from "./Recognizer";
 export * from "./Lexer";