Fix error message

Author: JsonFreeman

src/compiler/checker.ts

@@ -5827,7 +5827,7 @@ module ts {
             }
 
             // REVIEW: Users should know the type that was actually used.
-            error(node, Diagnostics.An_index_expression_argument_must_be_of_type_string_number_or_any);
+            error(node, Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any);
 
             return unknownType;
         }

src/compiler/diagnosticInformationMap.generated.ts

@@ -189,7 +189,7 @@ module ts {
         Property_0_does_not_exist_on_type_1: { code: 2339, category: DiagnosticCategory.Error, key: "Property '{0}' does not exist on type '{1}'." },
         Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: DiagnosticCategory.Error, key: "Only public and protected methods of the base class are accessible via the 'super' keyword" },
         Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: DiagnosticCategory.Error, key: "Property '{0}' is private and only accessible within class '{1}'." },
-        An_index_expression_argument_must_be_of_type_string_number_or_any: { code: 2342, category: DiagnosticCategory.Error, key: "An index expression argument must be of type 'string', 'number', or 'any'." },
+        An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: DiagnosticCategory.Error, key: "An index expression argument must be of type 'string', 'number', 'symbol, or 'any'." },
         Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: DiagnosticCategory.Error, key: "Type '{0}' does not satisfy the constraint '{1}'." },
         Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: DiagnosticCategory.Error, key: "Argument of type '{0}' is not assignable to parameter of type '{1}'." },
         Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: DiagnosticCategory.Error, key: "Supplied parameters do not match any signature of call target." },

src/compiler/diagnosticMessages.json

@@ -749,7 +749,7 @@
         "category": "Error",
         "code": 2341
     },
-    "An index expression argument must be of type 'string', 'number', or 'any'.": {
+    "An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.": {
         "category": "Error",
         "code": 2342
     },

tests/baselines/reference/indexTypeCheck.errors.txt

@@ -5,7 +5,7 @@ tests/cases/compiler/indexTypeCheck.ts(22,2): error TS2413: Numeric index type '
 tests/cases/compiler/indexTypeCheck.ts(27,2): error TS2413: Numeric index type 'number' is not assignable to string index type 'string'.
 tests/cases/compiler/indexTypeCheck.ts(32,3): error TS1096: An index signature must have exactly one parameter.
 tests/cases/compiler/indexTypeCheck.ts(36,3): error TS1023: An index signature parameter type must be 'string', 'number', or 'symbol'.
-tests/cases/compiler/indexTypeCheck.ts(51,1): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+tests/cases/compiler/indexTypeCheck.ts(51,1): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
 
 ==== tests/cases/compiler/indexTypeCheck.ts (8 errors) ====
@@ -75,7 +75,7 @@ tests/cases/compiler/indexTypeCheck.ts(51,1): error TS2342: An index expression
 
     yellow[blue]; // error
     ~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
     var x:number[];
     x[0];

tests/baselines/reference/objectCreationOfElementAccessExpression.errors.txt

@@ -1,6 +1,6 @@
-tests/cases/compiler/objectCreationOfElementAccessExpression.ts(53,17): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+tests/cases/compiler/objectCreationOfElementAccessExpression.ts(53,17): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 tests/cases/compiler/objectCreationOfElementAccessExpression.ts(53,63): error TS2348: Value of type 'typeof Cookie' is not callable. Did you mean to include 'new'?
-tests/cases/compiler/objectCreationOfElementAccessExpression.ts(54,33): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+tests/cases/compiler/objectCreationOfElementAccessExpression.ts(54,33): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 tests/cases/compiler/objectCreationOfElementAccessExpression.ts(54,79): error TS2348: Value of type 'typeof Cookie' is not callable. Did you mean to include 'new'?
 
 
@@ -59,12 +59,12 @@ tests/cases/compiler/objectCreationOfElementAccessExpression.ts(54,79): error TS
     // ElementAccessExpressions can only contain one expression.  There should be a parse error here.
     var foods = new PetFood[new IceCream('Mint chocolate chip') , Cookie('Chocolate chip', false) , new Cookie('Peanut butter', true)];
                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
                                                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2348: Value of type 'typeof Cookie' is not callable. Did you mean to include 'new'?
     var foods2: MonsterFood[] = new PetFood[new IceCream('Mint chocolate chip') , Cookie('Chocolate chip', false) , new Cookie('Peanut butter', true)];
                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
                                                                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2348: Value of type 'typeof Cookie' is not callable. Did you mean to include 'new'?
 

tests/baselines/reference/propertyAccess.errors.txt

@@ -1,7 +1,7 @@
 tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(45,14): error TS2339: Property 'qqq' does not exist on type '{ 10: string; x: string; y: number; z: { n: string; m: number; o: () => boolean; }; 'literal property': number; }'.
-tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(80,10): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
-tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(117,10): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
-tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(140,12): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(80,10): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
+tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(117,10): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
+tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(140,12): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
 
 ==== tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts (4 errors) ====
@@ -88,7 +88,7 @@ tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(140,12): er
     // Bracket notation property access using value of other type on type with numeric index signature and no string index signature
     var ll = numIndex[someObject]; // Error
              ~~~~~~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
     // Bracket notation property access using string value on type with string index signature and no numeric index signature
     var mm = strIndex['N'];
@@ -127,7 +127,7 @@ tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(140,12): er
     // Bracket notation property access using values of other types on type with no index signatures
     var uu = noIndex[someObject]; // Error
              ~~~~~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
     // Bracket notation property access using numeric value on type with numeric index signature and string index signature
     var vv = noIndex[32];
@@ -152,7 +152,7 @@ tests/cases/conformance/expressions/propertyAccess/propertyAccess.ts(140,12): er
     // Bracket notation property access using value of other type on type with numeric index signature and no string index signature and string index signature
     var zzzz = bothIndex[someObject]; // Error
                ~~~~~~~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
     var x1 = numIndex[stringOrNumber];
     var x1: any;

tests/baselines/reference/symbolProperty53.errors.txt

@@ -1,5 +1,5 @@
 tests/cases/conformance/es6/Symbols/symbolProperty53.ts(2,5): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
-tests/cases/conformance/es6/Symbols/symbolProperty53.ts(5,1): error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+tests/cases/conformance/es6/Symbols/symbolProperty53.ts(5,1): error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.
 
 
 ==== tests/cases/conformance/es6/Symbols/symbolProperty53.ts (2 errors) ====
@@ -11,4 +11,4 @@ tests/cases/conformance/es6/Symbols/symbolProperty53.ts(5,1): error TS2342: An i
 
     obj[Symbol.for];
     ~~~~~~~~~~~~~~~
-!!! error TS2342: An index expression argument must be of type 'string', 'number', or 'any'.
+!!! error TS2342: An index expression argument must be of type 'string', 'number', 'symbol, or 'any'.