Unify more classification code.

Author: CyrusNajmabadi

src/services/services.ts

@@ -1505,7 +1505,8 @@ module ts {
         public static interfaceName = "interface name";
         public static moduleName = "module name";
         public static typeParameterName = "type parameter name";
-        public static typeAlias = "type alias name";
+        public static typeAliasName = "type alias name";
+        public static parameterName = "type alias name";
     }
 
     export const enum ClassificationType {
@@ -1524,7 +1525,7 @@ module ts {
         interfaceName = 13,
         moduleName = 14,
         typeParameterName = 15,
-        typeAlias = 16,
+        typeAliasName = 16,
         parameterName = 17
     }
 
@@ -5873,7 +5874,7 @@ module ts {
                     return ClassificationType.enumName;
                 }
                 else if (flags & SymbolFlags.TypeAlias) {
-                    return ClassificationType.typeAlias;
+                    return ClassificationType.typeAliasName;
                 }
                 else if (meaningAtPosition & SemanticMeaning.Type) {
                     if (flags & SymbolFlags.Interface) {
@@ -5939,7 +5940,8 @@ module ts {
                 case ClassificationType.interfaceName: return ClassificationTypeNames.interfaceName;
                 case ClassificationType.moduleName: return ClassificationTypeNames.moduleName;
                 case ClassificationType.typeParameterName: return ClassificationTypeNames.typeParameterName;
-                case ClassificationType.typeAlias: return ClassificationTypeNames.typeAlias;
+                case ClassificationType.typeAliasName: return ClassificationTypeNames.typeAliasName;
+                case ClassificationType.parameterName: return ClassificationTypeNames.parameterName;
             }
         }
 
@@ -6144,6 +6146,12 @@ module ts {
                                     return ClassificationType.moduleName;
                                 }
                                 return;
+                            case SyntaxKind.Parameter:
+                                if ((<ParameterDeclaration>token.parent).name === token) {
+                                    return ClassificationType.parameterName;
+                                }
+                                return;
+
                         }
                     }
 
@@ -6666,7 +6674,7 @@ module ts {
                 case ClassificationType.interfaceName:
                 case ClassificationType.moduleName:
                 case ClassificationType.typeParameterName:
-                case ClassificationType.typeAlias:
+                case ClassificationType.typeAliasName:
                 case ClassificationType.text:
                 case ClassificationType.parameterName:
                 default:

tests/cases/fourslash/fourslash.ts

@@ -651,8 +651,12 @@ module FourSlashInterface {
             return getClassification("typeParameterName", text, position);
         }
 
-        export function typeAlias(text: string, position?: number): { classificationType: string; text: string; textSpan?: TextSpan } {
-            return getClassification("typeAlias", text, position);
+        export function parameterName(text: string, position?: number): { classificationType: string; text: string; textSpan?: TextSpan } {
+            return getClassification("parameterName", text, position);
+        }
+
+        export function typeAliasName(text: string, position?: number): { classificationType: string; text: string; textSpan?: TextSpan } {
+            return getClassification("typeAliasName", text, position);
         }
 
         function getClassification(type: string, text: string, position?: number) {

tests/cases/fourslash/semanticClassificatonTypeAlias.ts

@@ -7,9 +7,9 @@
 
 var c = classification;
 verify.semanticClassificationsAre(
-    c.typeAlias("Alias", test.marker("0").position),
-    c.typeAlias("Alias", test.marker("1").position),
-    c.typeAlias("Alias", test.marker("2").position),
-    c.typeAlias("Alias", test.marker("3").position),
-    c.typeAlias("Alias", test.marker("4").position)
+    c.typeAliasName("Alias", test.marker("0").position),
+    c.typeAliasName("Alias", test.marker("1").position),
+    c.typeAliasName("Alias", test.marker("2").position),
+    c.typeAliasName("Alias", test.marker("3").position),
+    c.typeAliasName("Alias", test.marker("4").position)
     );

tests/cases/fourslash/syntacticClassificationsFunctionWithComments.ts

@@ -19,7 +19,7 @@ var firstCommentText =
 var c = classification;
 verify.syntacticClassificationsAre(
     c.comment(firstCommentText),
-    c.keyword("function"), c.text("myFunction"), c.punctuation("("), c.comment("/* x */"), c.text("x"), c.punctuation(":"), c.keyword("any"), c.punctuation(")"), c.punctuation("{"),
+    c.keyword("function"), c.text("myFunction"), c.punctuation("("), c.comment("/* x */"), c.parameterName("x"), c.punctuation(":"), c.keyword("any"), c.punctuation(")"), c.punctuation("{"),
     c.keyword("var"), c.text("y"), c.operator("="), c.text("x"), c.operator("?"), c.text("x"), c.operator("++"), c.operator(":"), c.operator("++"), c.text("x"), c.punctuation(";"),
     c.punctuation("}"),
     c.comment("// end of file"));