Function beginBlock

test/fixtures/snapshot/typescript.js:103417–103430

* Begins a block operation (With, Break/Continue, Try/Catch/Finally) * * @param block Information about the block.

(block)

         * @param block Information about the block.
         */
        function beginBlock(block) {
            if (!blocks) {
                blocks = [];
                blockActions = [];
                blockOffsets = [];
                blockStack = [];
            }
            var index = blockActions.length;
            blockActions[index] = 0 /* BlockAction.Open */;
            blockOffsets[index] = operations ? operations.length : 0;
            blocks[index] = block;
            blockStack.push(block);
            return index;
        }
        /**
         * Ends the current block operation.
         */