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@ -28,30 +28,89 @@ |
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// -------------------------------------------------------------------
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const kVowelSounds = {a: true, e: true, i: true, o: true, u: true, y: true}; |
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const kCapitalVowelSounds = {a: true, e: true, i: true, o: true, u: true, |
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h: true, f: true, l: true, m: true, n: true, r: true, s: true, x: true, |
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y: true}; |
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// Lazily initialized.
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var kVowelSounds = 0; |
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var kCapitalVowelSounds = 0; |
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function GetInstanceName(cons) { |
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if (cons.length == 0) { |
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return ""; |
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} |
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var first = %StringToLowerCase(StringCharAt.call(cons, 0)); |
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var mapping = kVowelSounds; |
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if (kVowelSounds === 0) { |
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kVowelSounds = {a: true, e: true, i: true, o: true, u: true, y: true}; |
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kCapitalVowelSounds = {a: true, e: true, i: true, o: true, u: true, h: true, |
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f: true, l: true, m: true, n: true, r: true, s: true, x: true, y: true}; |
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} |
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var vowel_mapping = kVowelSounds; |
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if (cons.length > 1 && (StringCharAt.call(cons, 0) != first)) { |
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// First char is upper case
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var second = %StringToLowerCase(StringCharAt.call(cons, 1)); |
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// Second char is upper case
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if (StringCharAt.call(cons, 1) != second) |
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mapping = kCapitalVowelSounds; |
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if (StringCharAt.call(cons, 1) != second) { |
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vowel_mapping = kCapitalVowelSounds; |
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} |
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var s = mapping[first] ? "an " : "a "; |
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} |
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var s = vowel_mapping[first] ? "an " : "a "; |
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return s + cons; |
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} |
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const kMessages = { |
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var kMessages = 0; |
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function FormatString(format, args) { |
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var result = format; |
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for (var i = 0; i < args.length; i++) { |
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var str; |
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try { str = ToDetailString(args[i]); } |
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catch (e) { str = "#<error>"; } |
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result = ArrayJoin.call(StringSplit.call(result, "%" + i), str); |
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} |
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return result; |
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} |
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function ToDetailString(obj) { |
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if (obj != null && IS_OBJECT(obj) && obj.toString === $Object.prototype.toString) { |
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var constructor = obj.constructor; |
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if (!constructor) return ToString(obj); |
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var constructorName = constructor.name; |
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if (!constructorName) return ToString(obj); |
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return "#<" + GetInstanceName(constructorName) + ">"; |
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} else { |
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return ToString(obj); |
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} |
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} |
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function MakeGenericError(constructor, type, args) { |
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if (IS_UNDEFINED(args)) { |
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args = []; |
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} |
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var e = new constructor(kAddMessageAccessorsMarker); |
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e.type = type; |
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e.arguments = args; |
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return e; |
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} |
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/** |
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* Setup the Script function and constructor. |
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*/ |
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%FunctionSetInstanceClassName(Script, 'Script'); |
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%SetProperty(Script.prototype, 'constructor', Script, DONT_ENUM); |
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%SetCode(Script, function(x) { |
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// Script objects can only be created by the VM.
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throw new $Error("Not supported"); |
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}); |
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// Helper functions; called from the runtime system.
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function FormatMessage(message) { |
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if (kMessages === 0) { |
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kMessages = { |
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// Error
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cyclic_proto: "Cyclic __proto__ value", |
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// TypeError
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@ -109,58 +168,8 @@ const kMessages = { |
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result_not_primitive: "Result of %0 must be a primitive, was %1", |
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invalid_json: "String '%0' is not valid JSON", |
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circular_structure: "Converting circular structure to JSON" |
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}; |
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function FormatString(format, args) { |
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var result = format; |
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for (var i = 0; i < args.length; i++) { |
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var str; |
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try { str = ToDetailString(args[i]); } |
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catch (e) { str = "#<error>"; } |
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result = ArrayJoin.call(StringSplit.call(result, "%" + i), str); |
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} |
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return result; |
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} |
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function ToDetailString(obj) { |
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if (obj != null && IS_OBJECT(obj) && obj.toString === $Object.prototype.toString) { |
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var constructor = obj.constructor; |
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if (!constructor) return ToString(obj); |
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var constructorName = constructor.name; |
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if (!constructorName) return ToString(obj); |
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return "#<" + GetInstanceName(constructorName) + ">"; |
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} else { |
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return ToString(obj); |
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} |
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} |
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function MakeGenericError(constructor, type, args) { |
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if (IS_UNDEFINED(args)) { |
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args = []; |
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}; |
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} |
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var e = new constructor(kAddMessageAccessorsMarker); |
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e.type = type; |
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e.arguments = args; |
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return e; |
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} |
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/** |
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* Setup the Script function and constructor. |
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*/ |
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%FunctionSetInstanceClassName(Script, 'Script'); |
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%SetProperty(Script.prototype, 'constructor', Script, DONT_ENUM); |
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%SetCode(Script, function(x) { |
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// Script objects can only be created by the VM.
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throw new $Error("Not supported"); |
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}); |
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// Helper functions; called from the runtime system.
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function FormatMessage(message) { |
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var format = kMessages[message.type]; |
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if (!format) return "<unknown message " + message.type + ">"; |
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return FormatString(format, message.args); |
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Ryan
16 years ago