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Unified Diff: src/mirror-delay.js

Issue 16539: Factored the generation of JSON serialization from beeing part of the mirror ... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 11 months ago
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Index: src/mirror-delay.js
===================================================================
--- src/mirror-delay.js (revision 1024)
+++ src/mirror-delay.js (working copy)
@@ -33,6 +33,12 @@
Date;
+/**
+ * Returns the mirror for a specified value or object.
+ *
+ * @param {value or Object} value the value or object to retreive the mirror for
+ * @returns {Mirror} the mirror reflects the passed value or object
+ */
function MakeMirror(value) {
if (IS_UNDEFINED(value)) return new UndefinedMirror();
if (IS_NULL(value)) return new NullMirror();
@@ -106,7 +112,6 @@
PropertyType.NullDescriptor = 7;
-
// Different attributes for a property.
PropertyAttribute = {};
PropertyAttribute.None = NONE;
@@ -123,12 +128,12 @@
// - NumberMirror
// - StringMirror
// - ObjectMirror
-// - FunctionMirror
-// - UnresolvedFunctionMirror
-// - ArrayMirror
-// - DateMirror
-// - RegExpMirror
-// - ErrorMirror
+// - FunctionMirror
+// - UnresolvedFunctionMirror
+// - ArrayMirror
+// - DateMirror
+// - RegExpMirror
+// - ErrorMirror
// - PropertyMirror
// - InterceptorPropertyMirror
// - AccessorMirror
@@ -296,29 +301,24 @@
}
-Mirror.prototype.fillJSONType_ = function(content) {
- content.push(MakeJSONPair_('type', StringToJSON_(this.type())));
-};
+/**
+ * Check whether the mirror reflects a script.
+ * @returns {boolean} True if the mirror reflects a script
+ */
+Mirror.prototype.isScript = function() {
+ return this instanceof ScriptMirror;
+}
-Mirror.prototype.fillJSON_ = function(content) {
- this.fillJSONType_(content);
-};
-
-
/**
- * Serialize object in JSON format. For the basic mirrors this includes only
- * the type in the following format.
- * {"type":"<type name>"}
- * For specialized mirrors inheriting from the base Mirror
+ * Serialize object in JSON format. The actual serialization is handled by the
+ * JSONProtocolSerializer.
* @param {boolean} details Indicate level of details to include
* @return {string} JSON serialization
*/
-Mirror.prototype.toJSONProtocol = function(details, propertiesKind, interceptorPropertiesKind) {
- var content = new Array();
- this.fillJSON_(content, details, propertiesKind, interceptorPropertiesKind);
- content.push(MakeJSONPair_('text', StringToJSON_(this.toText())));
- return ArrayToJSONObject_(content);
+Mirror.prototype.toJSONProtocol = function(details) {
+ var serializer = new JSONProtocolSerializer(details)
+ return serializer.serialize(this)
}
@@ -409,12 +409,6 @@
inherits(BooleanMirror, ValueMirror);
-BooleanMirror.prototype.fillJSON_ = function(content, details) {
- BooleanMirror.super_.fillJSONType_.call(this, content);
- content.push(MakeJSONPair_('value', BooleanToJSON_(this.value_)));
-}
-
-
BooleanMirror.prototype.toText = function() {
return this.value_ ? 'true' : 'false';
}
@@ -432,12 +426,6 @@
inherits(NumberMirror, ValueMirror);
-NumberMirror.prototype.fillJSON_ = function(content, details) {
- NumberMirror.super_.fillJSONType_.call(this, content);
- content.push(MakeJSONPair_('value', NumberToJSON_(this.value_)));
-}
-
-
NumberMirror.prototype.toText = function() {
return %NumberToString(this.value_);
}
@@ -460,21 +448,6 @@
};
-StringMirror.prototype.fillJSON_ = function(content, details) {
- StringMirror.super_.fillJSONType_.call(this, content);
- content.push(MakeJSONPair_('length', NumberToJSON_(this.length())));
- if (this.length() > kMaxProtocolStringLength) {
- content.push(MakeJSONPair_('fromIndex', NumberToJSON_(0)));
- content.push(MakeJSONPair_('toIndex',
- NumberToJSON_(kMaxProtocolStringLength)));
- var str = this.value_.substring(0, kMaxProtocolStringLength);
- content.push(MakeJSONPair_('value', StringToJSON_(str)));
- } else {
- content.push(MakeJSONPair_('value', StringToJSON_(this.value_)));
- }
-}
-
-
StringMirror.prototype.toText = function() {
if (this.length() > kMaxProtocolStringLength) {
return this.value_.substring(0, kMaxProtocolStringLength) +
@@ -738,49 +711,6 @@
};
-ObjectMirror.prototype.fillJSONProperties_ = function(content, kind, name, details) {
- var propertyNames = this.propertyNames(kind);
- var x = new Array(propertyNames.length);
- for (var i = 0; i < propertyNames.length; i++) {
- x[i] = this.property(propertyNames[i]).toJSONProtocol(details);
- }
- content.push(MakeJSONPair_(name || 'properties', ArrayToJSONArray_(x)));
-};
-
-
-ObjectMirror.prototype.fillJSONInterceptorProperties_ = function(content, kind, name, details) {
- var propertyNames = this.interceptorPropertyNames(kind);
- var x = new Array(propertyNames.length);
- for (var i = 0; i < propertyNames.length; i++) {
- x[i] = properties[i].toJSONProtocol(details);
- }
- content.push(MakeJSONPair_(name || 'interceptorProperties', ArrayToJSONArray_(x)));
-};
-
-
-ObjectMirror.prototype.fillJSON_ = function(content, details, propertiesKind, interceptorPropertiesKind) {
- ObjectMirror.super_.fillJSONType_.call(this, content);
- content.push(MakeJSONPair_('className', StringToJSON_(this.className())));
- if (details) {
- content.push(MakeJSONPair_('constructorFunction', this.constructorFunction().toJSONProtocol(false)));
- content.push(MakeJSONPair_('protoObject', this.protoObject().toJSONProtocol(false)));
- content.push(MakeJSONPair_('prototypeObject', this.prototypeObject().toJSONProtocol(false)));
- }
- if (details) {
- this.fillJSONProperties_(content, propertiesKind)
- if (interceptorPropertiesKind) {
- this.fillJSONInterceptorProperties_(content, interceptorPropertiesKind)
- }
- }
- if (this.hasNamedInterceptor()) {
- content.push(MakeJSONPair_('namedInterceptor', BooleanToJSON_(true)));
- }
- if (this.hasIndexedInterceptor()) {
- content.push(MakeJSONPair_('indexedInterceptor', BooleanToJSON_(true)));
- }
-};
-
-
ObjectMirror.prototype.toText = function() {
var name;
var ctor = this.constructorFunction();
@@ -884,21 +814,6 @@
};
-FunctionMirror.prototype.fillJSON_ = function(content, details) {
- // Fill JSON properties from parent (ObjectMirror).
- FunctionMirror.super_.fillJSON_.call(this, content, details);
- // Add function specific properties.
- content.push(MakeJSONPair_('name', StringToJSON_(this.name())));
- content.push(MakeJSONPair_('resolved', BooleanToJSON_(this.resolved())));
- if (details && this.resolved()) {
- content.push(MakeJSONPair_('source', StringToJSON_(this.source())));
- }
- if (this.script()) {
- content.push(MakeJSONPair_('script', this.script().toJSONProtocol()));
- }
-}
-
-
FunctionMirror.prototype.toText = function() {
return this.source();
}
@@ -988,18 +903,6 @@
}
-ArrayMirror.prototype.fillJSON_ = function(content, details) {
- // Fill JSON as for parent (ObjectMirror) but just with named properties.
- ArrayMirror.super_.fillJSON_.call(this, content, details, PropertyKind.Named);
- // Fill indexed properties seperately.
- if (details) {
- this.fillJSONProperties_(content, PropertyKind.Indexed, 'indexedProperties')
- }
- // Add the array length.
- content.push(MakeJSONPair_('length', NumberToJSON_(this.length())));
-}
-
-
/**
* Mirror object for dates.
* @param {Date} value The Date object reflected by this mirror
@@ -1012,14 +915,6 @@
inherits(DateMirror, ObjectMirror);
-DateMirror.prototype.fillJSON_ = function(content, details) {
- // Fill JSON properties from parent (ObjectMirror).
- DateMirror.super_.fillJSON_.call(this, content, details);
- // Add date specific properties.
- content.push(MakeJSONPair_('value', DateToJSON_(this.value_)));
-}
-
-
DateMirror.prototype.toText = function() {
return DateToISO8601_(this.value_);
}
@@ -1073,17 +968,6 @@
};
-RegExpMirror.prototype.fillJSON_ = function(content, details) {
- // Fill JSON properties from parent (ObjectMirror).
- RegExpMirror.super_.fillJSON_.call(this, content, details);
- // Add regexp specific properties.
- content.push(MakeJSONPair_('source', StringToJSON_(this.source())));
- content.push(MakeJSONPair_('global', BooleanToJSON_(this.global())));
- content.push(MakeJSONPair_('ignoreCase', BooleanToJSON_(this.ignoreCase())));
- content.push(MakeJSONPair_('multiline', BooleanToJSON_(this.multiline())));
-}
-
-
RegExpMirror.prototype.toText = function() {
// Simpel to text which is used when on specialization in subclass.
return "/" + this.source() + "/";
@@ -1111,14 +995,6 @@
};
-ErrorMirror.prototype.fillJSON_ = function(content, details) {
- // Fill JSON properties from parent (ObjectMirror).
- ErrorMirror.super_.fillJSON_.call(this, content, details);
- // Add error specific properties.
- content.push(MakeJSONPair_('message', StringToJSON_(this.message())));
-}
-
-
ErrorMirror.prototype.toText = function() {
// Use the same text representation as in messages.js.
var text;
@@ -1206,18 +1082,6 @@
}
-PropertyMirror.prototype.fillJSON_ = function(content, details) {
- content.push(MakeJSONPair_('name', StringToJSON_(this.name())));
- content.push(MakeJSONPair_('value', this.value().toJSONProtocol(details)));
- if (this.attributes() != PropertyAttribute.None) {
- content.push(MakeJSONPair_('attributes', NumberToJSON_(this.attributes())));
- }
- if (this.propertyType() != PropertyType.Normal) {
- content.push(MakeJSONPair_('propertyType', NumberToJSON_(this.propertyType())));
- }
-}
-
-
/**
* Mirror object for interceptor named properties.
* @param {ObjectMirror} mirror The mirror object having this property
@@ -1278,28 +1142,6 @@
}
-/**
- * Serialize the accessor mirror into JSON format. For accessor it has the
- * following format.
- * {"type":"accessor",
- "native:"<boolean>,
- "getter":<function mirror JSON serialization>,
- "setter":<function mirror JSON serialization>}
- * For specialized mirrors inheriting from the base Mirror
- * @param {boolean} details Indicate level of details to include
- * @return {string} JSON serialization
- */
-AccessorMirror.prototype.fillJSON_ = function(content, details) {
- AccessorMirror.super_.fillJSONType_.call(this, content);
- if (this.isNative()) {
- content.push(MakeJSONPair_('native', BooleanToJSON_(true)));
- } else {
- content.push(MakeJSONPair_('getter', this.getter().toJSONProtocol(false)));
- content.push(MakeJSONPair_('setter', this.setter().toJSONProtocol(false)));
- }
-}
-
-
const kFrameDetailsFrameIdIndex = 0;
const kFrameDetailsReceiverIndex = 1;
const kFrameDetailsFunctionIndex = 2;
@@ -1558,47 +1400,6 @@
};
-FrameMirror.prototype.fillJSON_ = function(content, details) {
- FrameMirror.super_.fillJSONType_.call(this, content);
- content.push(MakeJSONPair_('index', NumberToJSON_(this.index())));
- content.push(MakeJSONPair_('receiver', this.receiver().toJSONProtocol(false)));
- content.push(MakeJSONPair_('func', this.func().toJSONProtocol(false)));
- content.push(MakeJSONPair_('constructCall', BooleanToJSON_(this.isConstructCall())));
- content.push(MakeJSONPair_('debuggerFrame', BooleanToJSON_(this.isDebuggerFrame())));
- var x = new Array(this.argumentCount());
- for (var i = 0; i < this.argumentCount(); i++) {
- arg = new Array();
- var argument_name = this.argumentName(i)
- if (argument_name) {
- arg.push(MakeJSONPair_('name', StringToJSON_(argument_name)));
- }
- arg.push(MakeJSONPair_('value', this.argumentValue(i).toJSONProtocol(false)));
- x[i] = ArrayToJSONObject_(arg);
- }
- content.push(MakeJSONPair_('arguments', ArrayToJSONArray_(x)));
- var x = new Array(this.localCount());
- for (var i = 0; i < this.localCount(); i++) {
- var name = MakeJSONPair_('name', StringToJSON_(this.localName(i)));
- var value = MakeJSONPair_('value', this.localValue(i).toJSONProtocol(false));
- x[i] = '{' + name + ',' + value + '}';
- }
- content.push(MakeJSONPair_('locals', ArrayToJSONArray_(x)));
- content.push(MakeJSONPair_('position', NumberToJSON_(this.sourcePosition())));
- var line = this.sourceLine();
- if (!IS_UNDEFINED(line)) {
- content.push(MakeJSONPair_('line', NumberToJSON_(line)));
- }
- var column = this.sourceColumn();
- if (!IS_UNDEFINED(column)) {
- content.push(MakeJSONPair_('column', NumberToJSON_(column)));
- }
- var source_line_text = this.sourceLineText();
- if (!IS_UNDEFINED(source_line_text)) {
- content.push(MakeJSONPair_('sourceLineText', StringToJSON_(source_line_text)));
- }
-}
-
-
FrameMirror.prototype.invocationText = function() {
// Format frame invoaction (receiver, function and arguments).
var result = '';
@@ -1783,18 +1584,6 @@
}
-ScriptMirror.prototype.fillJSON_ = function(content, details) {
- ScriptMirror.super_.fillJSONType_.call(this, content);
- if (this.name()) {
- content.push(MakeJSONPair_('name', StringToJSON_(this.name())));
- }
- content.push(MakeJSONPair_('lineOffset', NumberToJSON_(this.lineOffset())));
- content.push(MakeJSONPair_('columnOffset', NumberToJSON_(this.columnOffset())));
- content.push(MakeJSONPair_('lineCount', NumberToJSON_(this.lineCount())));
- content.push(MakeJSONPair_('scriptType', NumberToJSON_(this.scriptType())));
-}
-
-
ScriptMirror.prototype.toText = function() {
var result = '';
result += this.name();
@@ -1811,6 +1600,244 @@
}
+function JSONProtocolSerializer(details) {
+ this.details_ = details;
+}
+
+
+JSONProtocolSerializer.prototype.serialize = function(mirror) {
+ // Collect the JSON property/value pairs in a array.
+ var content = new Array();
+
+ // Always add the type
+ content.push(MakeJSONPair_('type', StringToJSON_(mirror.type())));
+
+ switch (mirror.type()) {
+ case UNDEFINED_TYPE:
+ case NULL_TYPE:
+ // Undefined and null are represented just by their type.
+ break;
+
+ case BOOLEAN_TYPE:
+ // Boolean values are simply represented by their value.
+ content.push(MakeJSONPair_('value', BooleanToJSON_(mirror.value())));
+ break;
+
+ case NUMBER_TYPE:
+ // Number values are simply represented by their value.
+ content.push(MakeJSONPair_('value', NumberToJSON_(mirror.value())));
+ break;
+
+ case STRING_TYPE:
+ // String values might have their value cropped to keep down size.
+ if (mirror.length() > kMaxProtocolStringLength) {
+ var str = mirror.value().substring(0, kMaxProtocolStringLength);
+ content.push(MakeJSONPair_('value', StringToJSON_(str)));
+ content.push(MakeJSONPair_('fromIndex', NumberToJSON_(0)));
+ content.push(MakeJSONPair_('toIndex',
+ NumberToJSON_(kMaxProtocolStringLength)));
+ } else {
+ content.push(MakeJSONPair_('value', StringToJSON_(mirror.value())));
+ }
+ content.push(MakeJSONPair_('length', NumberToJSON_(mirror.length())));
+ break;
+
+ case OBJECT_TYPE:
+ case FUNCTION_TYPE:
+ case ERROR_TYPE:
+ case REGEXP_TYPE:
+ // Add object representation.
+ this.serializeObject_(mirror, content);
+ break;
+
+ case PROPERTY_TYPE:
+ // Properties are represented by name, value, attributes and type.
+ content.push(MakeJSONPair_('name',
+ StringToJSON_(mirror.name())));
+ content.push(MakeJSONPair_('value',
+ mirror.value().toJSONProtocol(this.details_)));
+ if (mirror.attributes() != PropertyAttribute.None) {
+ content.push(MakeJSONPair_('attributes',
+ NumberToJSON_(mirror.attributes())));
+ }
+ if (mirror.propertyType() != PropertyType.Normal) {
+ content.push(MakeJSONPair_('propertyType',
+ NumberToJSON_(mirror.propertyType())));
+ }
+ break;
+
+ case ACCESSOR_TYPE:
+ // An accessor can either be native or defined through JavaScript.
+ if (mirror.isNative()) {
+ content.push(MakeJSONPair_('native', BooleanToJSON_(true)));
+ } else {
+ content.push(MakeJSONPair_('getter',
+ mirror.getter().toJSONProtocol(false)));
+ content.push(MakeJSONPair_('setter',
+ mirror.setter().toJSONProtocol(false)));
+ }
+ break;
+
+ case FRAME_TYPE:
+ // Add object representation.
+ this.serializeFrame_(mirror, content);
+ break;
+
+ case SCRIPT_TYPE:
+ // Script is represented by name and source attributes.
+ if (mirror.name()) {
+ content.push(MakeJSONPair_('name', StringToJSON_(mirror.name())));
+ }
+ content.push(MakeJSONPair_('lineOffset',
+ NumberToJSON_(mirror.lineOffset())));
+ content.push(MakeJSONPair_('columnOffset',
+ NumberToJSON_(mirror.columnOffset())));
+ content.push(MakeJSONPair_('lineCount',
+ NumberToJSON_(mirror.lineCount())));
+ content.push(MakeJSONPair_('scriptType',
+ NumberToJSON_(mirror.scriptType())));
+ break;
+
+ }
+
+ // Always add the text representation.
+ content.push(MakeJSONPair_('text', StringToJSON_(mirror.toText())));
+
+ // Create and return the JSON string.
+ return ArrayToJSONObject_(content);
+}
+
+
+JSONProtocolSerializer.prototype.serializeObject_ = function(mirror, content) {
+ content.push(MakeJSONPair_('className',
+ StringToJSON_(mirror.className())));
+
+ if (this.details_) {
+ content.push(MakeJSONPair_('constructorFunction',
+ mirror.constructorFunction().toJSONProtocol(false)));
+ content.push(MakeJSONPair_('protoObject',
+ mirror.protoObject().toJSONProtocol(false)));
+ content.push(MakeJSONPair_('prototypeObject',
+ mirror.prototypeObject().toJSONProtocol(false)));
+
+ // Add properties. For arrays don't include indexed proeprties.
+ var kind = PropertyKind.Named;
+ if (!mirror.isArray()) {
+ kind |= PropertyKind.Indexed
+ }
+ var propertyNames = mirror.propertyNames(kind);
+ var x = new Array(propertyNames.length);
+ for (var i = 0; i < propertyNames.length; i++) {
+ x[i] = mirror.property(propertyNames[i]).toJSONProtocol(false);
+ }
+ content.push(MakeJSONPair_('properties', ArrayToJSONArray_(x)));
+
+ // Add interceptor properties.
+ propertyNames = mirror.interceptorPropertyNames();
+ var x = new Array(propertyNames.length);
+ for (var i = 0; i < propertyNames.length; i++) {
+ x[i] = properties[i].toJSONProtocol(details);
+ }
+ content.push(MakeJSONPair_('interceptorProperties', ArrayToJSONArray_(x)));
+
+ // For arrays the indexed properties are added separately and the length is
+ // added as well.
+ if (mirror.isArray()) {
+ var propertyNames = mirror.propertyNames(PropertyKind.Indexed);
+ var x = new Array(propertyNames.length);
+ for (var i = 0; i < propertyNames.length; i++) {
+ x[i] = mirror.property(propertyNames[i]).toJSONProtocol(false);
+ }
+ content.push(MakeJSONPair_('indexedProperties', ArrayToJSONArray_(x)));
+
+ // Add the array length.
+ content.push(MakeJSONPair_('length', NumberToJSON_(mirror.length())));
+ }
+ }
+
+ if (mirror.hasNamedInterceptor()) {
+ content.push(MakeJSONPair_('namedInterceptor', BooleanToJSON_(true)));
+ }
+
+ if (mirror.hasIndexedInterceptor()) {
+ content.push(MakeJSONPair_('indexedInterceptor', BooleanToJSON_(true)));
+ }
+
+ if (mirror.isFunction()) {
+ // Add function specific properties.
+ content.push(MakeJSONPair_('name', StringToJSON_(mirror.name())));
+ content.push(MakeJSONPair_('resolved', BooleanToJSON_(mirror.resolved())));
+ if (this.details_ && mirror.resolved()) {
+ content.push(MakeJSONPair_('source', StringToJSON_(mirror.source())));
+ }
+ if (mirror.script()) {
+ content.push(MakeJSONPair_('script', mirror.script().toJSONProtocol()));
+ }
+ } else if (mirror.isDate()) {
+ // Add date specific properties.
+ content.push(MakeJSONPair_('value', DateToJSON_(mirror.value())));
+ } else if (mirror.isRegExp()) {
+ // Add regexp specific properties.
+ content.push(MakeJSONPair_('source', StringToJSON_(mirror.source())));
+ content.push(MakeJSONPair_('global', BooleanToJSON_(mirror.global())));
+ content.push(MakeJSONPair_('ignoreCase',
+ BooleanToJSON_(mirror.ignoreCase())));
+ content.push(MakeJSONPair_('multiline',
+ BooleanToJSON_(mirror.multiline())));
+ } else if (mirror.isError()) {
+ // Add error specific properties.
+ content.push(MakeJSONPair_('message', StringToJSON_(mirror.message())));
+ }
+}
+
+
+JSONProtocolSerializer.prototype.serializeFrame_ = function(mirror, content) {
+ content.push(MakeJSONPair_('index', NumberToJSON_(mirror.index())));
+ content.push(MakeJSONPair_('receiver',
+ mirror.receiver().toJSONProtocol(false)));
+ content.push(MakeJSONPair_('func', mirror.func().toJSONProtocol(false)));
+ content.push(MakeJSONPair_('constructCall',
+ BooleanToJSON_(mirror.isConstructCall())));
+ content.push(MakeJSONPair_('debuggerFrame',
+ BooleanToJSON_(mirror.isDebuggerFrame())));
+ var x = new Array(mirror.argumentCount());
+ for (var i = 0; i < mirror.argumentCount(); i++) {
+ arg = new Array();
+ var argument_name = mirror.argumentName(i)
+ if (argument_name) {
+ arg.push(MakeJSONPair_('name', StringToJSON_(argument_name)));
+ }
+ arg.push(MakeJSONPair_('value',
+ mirror.argumentValue(i).toJSONProtocol(false)));
+ x[i] = ArrayToJSONObject_(arg);
+ }
+ content.push(MakeJSONPair_('arguments', ArrayToJSONArray_(x)));
+ var x = new Array(mirror.localCount());
+ for (var i = 0; i < mirror.localCount(); i++) {
+ var name = MakeJSONPair_('name', StringToJSON_(mirror.localName(i)));
+ var value = MakeJSONPair_('value',
+ mirror.localValue(i).toJSONProtocol(false));
+ x[i] = '{' + name + ',' + value + '}';
+ }
+ content.push(MakeJSONPair_('locals', ArrayToJSONArray_(x)));
+ content.push(MakeJSONPair_('position',
+ NumberToJSON_(mirror.sourcePosition())));
+ var line = mirror.sourceLine();
+ if (!IS_UNDEFINED(line)) {
+ content.push(MakeJSONPair_('line', NumberToJSON_(line)));
+ }
+ var column = mirror.sourceColumn();
+ if (!IS_UNDEFINED(column)) {
+ content.push(MakeJSONPair_('column', NumberToJSON_(column)));
+ }
+ var source_line_text = mirror.sourceLineText();
+ if (!IS_UNDEFINED(source_line_text)) {
+ content.push(MakeJSONPair_('sourceLineText',
+ StringToJSON_(source_line_text)));
+ }
+}
+
+
function MakeJSONPair_(name, value) {
return '"' + name + '":' + value;
}
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