TryStatement: function()

in escodegen.js [1492:1537]


        TryStatement: function (stmt, flags) {
            var result, i, iz, guardedHandlers;

            result = ['try', this.maybeBlock(stmt.block, S_TFFF)];
            result = this.maybeBlockSuffix(stmt.block, result);

            if (stmt.handlers) {
                // old interface
                for (i = 0, iz = stmt.handlers.length; i < iz; ++i) {
                    result = join(result, this.generateStatement(stmt.handlers[i], S_TFFF));
                    if (stmt.finalizer || i + 1 !== iz) {
                        result = this.maybeBlockSuffix(stmt.handlers[i].body, result);
                    }
                }
            } else {
                guardedHandlers = stmt.guardedHandlers || [];

                for (i = 0, iz = guardedHandlers.length; i < iz; ++i) {
                    result = join(result, this.generateStatement(guardedHandlers[i], S_TFFF));
                    if (stmt.finalizer || i + 1 !== iz) {
                        result = this.maybeBlockSuffix(guardedHandlers[i].body, result);
                    }
                }

                // new interface
                if (stmt.handler) {
                    if (Array.isArray(stmt.handler)) {
                        for (i = 0, iz = stmt.handler.length; i < iz; ++i) {
                            result = join(result, this.generateStatement(stmt.handler[i], S_TFFF));
                            if (stmt.finalizer || i + 1 !== iz) {
                                result = this.maybeBlockSuffix(stmt.handler[i].body, result);
                            }
                        }
                    } else {
                        result = join(result, this.generateStatement(stmt.handler, S_TFFF));
                        if (stmt.finalizer) {
                            result = this.maybeBlockSuffix(stmt.handler.body, result);
                        }
                    }
                }
            }
            if (stmt.finalizer) {
                result = join(result, ['finally', this.maybeBlock(stmt.finalizer, S_TFFF)]);
            }
            return result;
        },