Function doCatch

Scripts/ace/worker-javascript.js:5987–6036

()

    var b;

    function doCatch() {
      var oldScope = scope;
      var e;

      advance("catch");
      advance("(");

      scope = Object.create(oldScope);

      e = state.tokens.next.value;
      if (state.tokens.next.type !== "(identifier)") {
        e = null;
        warning("E030", state.tokens.next, e);
      }

      advance();

      funct = functor("(catch)", state.tokens.next, scope, {
        "(context)"  : funct,
        "(breakage)" : funct["(breakage)"],
        "(loopage)"  : funct["(loopage)"],
        "(statement)": false,
        "(catch)"    : true
      });

      if (e) {
        addlabel(e, { type: "exception" });
      }

      if (state.tokens.next.value === "if") {
        if (!state.option.inMoz(true)) {
          warning("W118", state.tokens.curr, "catch filter");
        }
        advance("if");
        expression(0);
      }

      advance(")");

      state.tokens.curr.funct = funct;
      functions.push(funct);

      block(false);

      scope = oldScope;

      funct["(last)"] = state.tokens.curr.line;
      funct["(lastcharacter)"] = state.tokens.curr.character;
      funct = funct["(context)"];
    }

    block(true);