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b=a.operator,c=PRECEDENCE[b],d=this.operator,e=PRECEDENCE[d];if(c>e||c==e&&this===a.right)return!0}}),s(AST_Yield,function(c){var a=c.parent();return!!(a instanceof AST_Binary&&"="!==a.operator)||!!(a instanceof AST_Call&&a.expression===this)||!!(a instanceof AST_Conditional&&a.condition===this)||!!(a instanceof AST_Unary)||!!(a instanceof AST_PropAccess&&a.expression===this)||void 0}),s(AST_PropAccess,function(d){var a=d.parent();if(a instanceof AST_New&&a.expression===this){var b=!1;return this.walk(new TreeWalker(function(c){return!!(b||c instanceof AST_Scope)||(c instanceof AST_Call?(b=!0,!0):void 0)})),b}}),s(AST_Call,function(d){var a,b=d.parent();return!!(b instanceof AST_New&&b.expression===this)||this.expression instanceof AST_Function&&b instanceof AST_PropAccess&&b.expression===this&&(a=d.parent(1))instanceof AST_Assign&&a.left===b}),s(AST_New,function(c){var a=c.parent();if(!d(this,c)&&(a instanceof AST_PropAccess||a instanceof 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AST_Constant);c&&a.print("("),e.expression.print(a),c&&a.print(")")}),AST_LoopControl.DEFMETHOD("_do_print",function(c,a){c.print(a),this.label&&(c.space(),this.label.print(c)),c.semicolon()}),r(AST_Break,function(c,a){c._do_print(a,"break")}),r(AST_Continue,function(c,a){c._do_print(a,"continue")}),r(AST_If,function(d,a){a.print("if"),a.space(),a.with_parens(function(){d.condition.print(a)}),a.space(),d.alternative?(c(d,a),a.space(),a.print("else"),a.space(),d.alternative instanceof AST_If?d.alternative.print(a):g(d.alternative,a)):d._do_print_body(a)}),r(AST_Switch,function(d,e){e.print("switch"),e.space(),e.with_parens(function(){d.expression.print(e)}),e.space();var b=d.body.length-1;0>b?e.print("{}"):e.with_block(function(){d.body.forEach(function(c,a){e.indent(!0),c.print(e),a<b&&0<c.body.length&&e.newline()})})}),AST_SwitchBranch.DEFMETHOD("_do_print_body",function(c){c.newline(),this.body.forEach(function(a){c.indent(),a.print(c),c.newline()})}),r(AST_Default,function(c,a){a.print("default:"),c._do_print_body(a)}),r(AST_Case,function(c,a){a.print("case"),a.space(),c.expression.print(a),a.print(":"),c._do_print_body(a)}),r(AST_Try,function(c,a){a.print("try"),a.space(),u(c,a),c.bcatch&&(a.space(),c.bcatch.print(a)),c.bfinally&&(a.space(),c.bfinally.print(a))}),r(AST_Catch,function(c,a){a.print("catch"),a.space(),a.with_parens(function(){c.argname.print(a)}),a.space(),u(c,a)}),r(AST_Finally,function(c,a){a.print("finally"),a.space(),u(c,a)}),AST_Definitions.DEFMETHOD("_do_print",function(f,a){f.print(a),f.space(),this.definitions.forEach(function(a,b){b&&f.comma(),a.print(f)});var b=f.parent(),c=b instanceof AST_For||b instanceof AST_ForIn,d=c&&b.init===this;d||f.semicolon()}),r(AST_Let,function(c,a){c._do_print(a,"let")}),r(AST_Var,function(c,a){c._do_print(a,"var")}),r(AST_Const,function(c,a){c._do_print(a,"const")}),r(AST_Import,function(e,a){a.print("import"),a.space(),e.imported_name&&e.imported_name.print(a),e.imported_name&&e.imported_names&&(a.print(","),a.space()),e.imported_names&&(1===e.imported_names.length&&"*"===e.imported_names[0].foreign_name.name?e.imported_names[0].print(a):(a.print("{"),e.imported_names.forEach(function(b,c){a.space(),b.print(a),c<e.imported_names.length-1&&a.print(",")}),a.space(),a.print("}"))),(e.imported_name||e.imported_names)&&(a.space(),a.print("from"),a.space()),e.module_name.print(a),a.semicolon()}),r(AST_NameMapping,function(f,a){var b=a.parent()instanceof AST_Import,c=f.name.definition(),d=(c&&c.mangled_name||f.name.name)!==f.foreign_name.name;d?(b?a.print(f.foreign_name.name):f.name.print(a),a.space(),a.print("as"),a.space(),b?f.name.print(a):a.print(f.foreign_name.name)):f.name.print(a)}),r(AST_Export,function(e,a){if(a.print("export"),a.space(),e.is_default&&(a.print("default"),a.space()),e.exported_names)1===e.exported_names.length&&"*"===e.exported_names[0].name.name?e.exported_names[0].print(a):(a.print("{"),e.exported_names.forEach(function(b,c){a.space(),b.print(a),c<e.exported_names.length-1&&a.print(",")}),a.space(),a.print("}"));else if(e.exported_value)e.exported_value.print(a);else if(e.exported_definition&&(e.exported_definition.print(a),e.exported_definition instanceof AST_Definitions))return;e.module_name&&(a.space(),a.print("from"),a.space(),e.module_name.print(a)),a.semicolon()}),r(AST_VarDef,function(f,a){if(f.name.print(a),f.value){a.space(),a.print("="),a.space();var b=a.parent(1),c=b instanceof AST_For||b instanceof AST_ForIn;e(f.value,a,c)}}),r(AST_Call,function(c,e){c.expression.print(e),c instanceof AST_New&&!d(c,e)||((c.expression instanceof AST_Call||c.expression instanceof AST_Lambda)&&e.add_mapping(c.start),e.with_parens(function(){c.args.forEach(function(b,a){a&&e.comma(),b.print(e)})}))}),r(AST_New,function(c,a){a.print("new"),a.space(),AST_Call.prototype._codegen(c,a)}),AST_Sequence.DEFMETHOD("_do_print",function(d){this.expressions.forEach(function(a,b){0<b&&(d.comma(),d.should_break()&&(d.newline(),d.indent())),a.print(d)})}),r(AST_Sequence,function(c,a){c._do_print(a)}),r(AST_Dot,function(e,a){var b=e.expression;b.print(a);var c=e.property;a.option("ie8")&&RESERVED_WORDS(c)?(a.print("["),a.add_mapping(e.end),a.print_string(c),a.print("]")):(b instanceof AST_Number&&0<=b.getValue()&&!/[xa-f.)]/i.test(a.last())&&a.print("."),a.print("."),a.add_mapping(e.end),a.print_name(c))}),r(AST_Sub,function(c,a){c.expression.print(a),a.print("["),c.property.print(a),a.print("]")}),r(AST_UnaryPrefix,function(d,a){var b=d.operator;a.print(b),(/^[a-z]/i.test(b)||/[+-]$/.test(b)&&d.expression instanceof AST_UnaryPrefix&&/^[+-]/.test(d.expression.operator))&&a.space(),d.expression.print(a)}),r(AST_UnaryPostfix,function(c,a){c.expression.print(a),a.print(c.operator)}),r(AST_Binary,function(d,a){var b=d.operator;d.left.print(a),">"==b[0]&&d.left instanceof AST_UnaryPostfix&&"--"==d.left.operator?a.print(" "):a.space(),a.print(b),("<"==b||"<<"==b)&&d.right instanceof AST_UnaryPrefix&&"!"==d.right.operator&&d.right.expression instanceof AST_UnaryPrefix&&"--"==d.right.expression.operator?a.print(" "):a.space(),d.right.print(a)}),r(AST_Conditional,function(c,a){c.condition.print(a),a.space(),a.print("?"),a.space(),c.consequent.print(a),a.space(),a.colon(),c.alternative.print(a)}),r(AST_Array,function(e,f){f.with_square(function(){var b=e.elements,c=b.length;0<c&&f.space(),b.forEach(function(a,b){b&&f.comma(),a.print(f),b===c-1&&a instanceof AST_Hole&&f.comma()}),0<c&&f.space()})}),r(AST_Object,function(c,d){0<c.properties.length?d.with_block(function(){c.properties.forEach(function(b,a){a&&(d.print(","),d.newline()),d.indent(),b.print(d)}),d.newline()}):d.print("{}")}),r(AST_Class,function(d,e){if(e.print("class"),e.space(),d.name&&(d.name.print(e),e.space()),d.extends){var a=!(d.extends instanceof AST_SymbolRef)&&!(d.extends instanceof AST_PropAccess)&&!(d.extends instanceof AST_ClassExpression)&&!(d.extends instanceof AST_Function);e.print("extends"),a?e.print("("):e.space(),d.extends.print(e),a?e.print(")"):e.space()}0<d.properties.length?e.with_block(function(){d.properties.forEach(function(b,a){a&&e.newline(),e.indent(),b.print(e)}),e.newline()}):e.print("{}")}),r(AST_NewTarget,function(c,a){a.print("new.target")}),r(AST_ObjectKeyVal,function(e,a){function b(c){var a=c.definition();return a?a.mangled_name||a.name:c.name}var c=a.option("shorthand");c&&e.value instanceof AST_Symbol&&is_identifier_string(e.key)&&b(e.value)===e.key&&is_identifier(e.key)?f(e.key,e.quote,a):c&&e.value instanceof AST_DefaultAssign&&e.value.left instanceof AST_Symbol&&is_identifier_string(e.key)&&b(e.value.left)===e.key?(f(e.key,e.quote,a),a.space(),a.print("="),a.space(),e.value.right.print(a)):(e.key instanceof AST_Node?a.with_square(function(){e.key.print(a)}):f(e.key,e.quote,a),a.colon(),e.value.print(a))}),AST_ObjectProperty.DEFMETHOD("_print_getter_setter",function(d,a){var b=this;b.static&&(a.print("static"),a.space()),d&&(a.print(d),a.space()),b.key instanceof AST_SymbolMethod?f(b.key.name,b.quote,a):a.with_square(function(){b.key.print(a)}),b.value._do_print(a,!0)}),r(AST_ObjectSetter,function(c,a){c._print_getter_setter("set",a)}),r(AST_ObjectGetter,function(c,a){c._print_getter_setter("get",a)}),r(AST_ConciseMethod,function(c,a){c._print_getter_setter(c.is_generator&&"*"||c.async&&"async",a)}),AST_Symbol.DEFMETHOD("_do_print",function(c){var a=this.definition();c.print_name(a?a.mangled_name||a.name:this.name)}),r(AST_Symbol,function(c,a){c._do_print(a)}),r(AST_Hole,noop),r(AST_This,function(c,a){a.print("this")}),r(AST_Super,function(c,a){a.print("super")}),r(AST_Constant,function(c,a){a.print(c.getValue())}),r(AST_String,function(c,a){a.print_string(c.getValue(),c.quote,k)}),r(AST_Number,function(c,a){m&&c.start&&null!=c.start.raw?a.print(c.start.raw):a.print(h(c.getValue()))}),r(AST_RegExp,function(f,a){var b=f.getValue(),c=b.toString();b.raw_source&&(c="/"+b.raw_source+c.slice(c.lastIndexOf("/"))),c=a.to_utf8(c),a.print(c);var d=a.parent();d instanceof AST_Binary&&/^in/.test(d.operator)&&d.left===f&&a.print(" ")}),b(AST_Node,noop),b(AST_Directive,j),b(AST_Debugger,j),b(AST_Symbol,j),b(AST_Jump,j),b(AST_StatementWithBody,j),b(AST_LabeledStatement,noop),b(AST_Lambda,j),b(AST_Switch,j),b(AST_SwitchBranch,j),b(AST_BlockStatement,j),b(AST_Toplevel,noop),b(AST_New,j),b(AST_Try,j),b(AST_Catch,j),b(AST_Finally,j),b(AST_Definitions,j),b(AST_Constant,j),b(AST_ObjectSetter,function(c,a){a.add_mapping(c.start,c.key.name)}),b(AST_ObjectGetter,function(c,a){a.add_mapping(c.start,c.key.name)}),b(AST_ObjectProperty,function(c,a){a.add_mapping(c.start,c.key)})})();
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