Add new compiler flag to suppress noImplicitAny errors for object access

src/compiler/checker.ts

@@ -5385,7 +5385,7 @@ module ts {
                 }
 
                 // Fall back to any.
-                if (compilerOptions.noImplicitAny && objectType !== anyType) {
+                if (compilerOptions.noImplicitAny && (compilerOptions.suppress & ErrorGroup.ImplicitAnyIndex) === 0 && objectType !== anyType) {
                     error(node, Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type);
                 }
 

src/compiler/commandLineParser.ts

@@ -128,9 +128,16 @@ module ts {
             name: "preserveConstEnums",
             type: "boolean",
             description: Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
-        }
+        },
+        {
+            name: "suppress",
+            type: { "implicitanyindex": ErrorGroup.ImplicitAnyIndex},
+            description: Diagnostics.Suppress_a_set_of_compiler_checks,
+            paramType: Diagnostics.ERRORGROUP,
+            error: Diagnostics.Argument_for_suppress_option_can_only_be_implicitAnyIndex
+        },
     ];
-
+    
     var shortOptionNames: Map<string> = {};
     var optionNameMap: Map<CommandLineOption> = {};
 

src/compiler/diagnosticInformationMap.generated.ts

@@ -398,6 +398,7 @@ module ts {
         VERSION: { code: 6036, category: DiagnosticCategory.Message, key: "VERSION" },
         LOCATION: { code: 6037, category: DiagnosticCategory.Message, key: "LOCATION" },
         DIRECTORY: { code: 6038, category: DiagnosticCategory.Message, key: "DIRECTORY" },
+        ERRORGROUP: { code: 6039, category: DiagnosticCategory.Message, key: "ERRORGROUP" },
         Compilation_complete_Watching_for_file_changes: { code: 6042, category: DiagnosticCategory.Message, key: "Compilation complete. Watching for file changes." },
         Generates_corresponding_map_file: { code: 6043, category: DiagnosticCategory.Message, key: "Generates corresponding '.map' file." },
         Compiler_option_0_expects_an_argument: { code: 6044, category: DiagnosticCategory.Error, key: "Compiler option '{0}' expects an argument." },
@@ -411,6 +412,8 @@ module ts {
         Warn_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: DiagnosticCategory.Message, key: "Warn on expressions and declarations with an implied 'any' type." },
         File_0_not_found: { code: 6053, category: DiagnosticCategory.Error, key: "File '{0}' not found." },
         File_0_must_have_extension_ts_or_d_ts: { code: 6054, category: DiagnosticCategory.Error, key: "File '{0}' must have extension '.ts' or '.d.ts'." },
+        Suppress_a_set_of_compiler_checks: { code: 6055, category: DiagnosticCategory.Message, key: "Suppress a set of compiler checks." },
+        Argument_for_suppress_option_can_only_be_implicitAnyIndex: { code: 6056, category: DiagnosticCategory.Error, key: "Argument for '--suppress' option can only be 'implicitAnyIndex'." },
         Variable_0_implicitly_has_an_1_type: { code: 7005, category: DiagnosticCategory.Error, key: "Variable '{0}' implicitly has an '{1}' type." },
         Parameter_0_implicitly_has_an_1_type: { code: 7006, category: DiagnosticCategory.Error, key: "Parameter '{0}' implicitly has an '{1}' type." },
         Member_0_implicitly_has_an_1_type: { code: 7008, category: DiagnosticCategory.Error, key: "Member '{0}' implicitly has an '{1}' type." },

src/compiler/diagnosticMessages.json

@@ -1591,6 +1591,10 @@
         "category": "Message",
         "code": 6038
     },
+    "ERRORGROUP": {
+        "category": "Message",
+        "code": 6039
+    },
     "Compilation complete. Watching for file changes.": {
         "category": "Message",
         "code": 6042
@@ -1643,6 +1647,15 @@
         "category": "Error",
         "code": 6054
     },
+    "Suppress a set of compiler checks.": {
+        "category": "Message",
+        "code": 6055
+    },
+    "Argument for '--suppress' option can only be 'implicitAnyIndex'.": {
+        "category": "Error",
+        "code": 6056
+    },
+
 
     "Variable '{0}' implicitly has an '{1}' type.": {
         "category": "Error",

src/compiler/parser.ts

@@ -27,7 +27,7 @@ module ts {
                 node.parserContextFlags |= ParserContextFlags.ContainsError;
             }
 
-            // Also mark that we've propogated the child information to this node.  This way we can
+            // Also mark that we've propagated the child information to this node.  This way we can
             // always consult the bit directly on this node without needing to check its children
             // again.
             node.parserContextFlags |= ParserContextFlags.HasPropagatedChildContainsErrorFlag;

src/compiler/types.ts

@@ -1381,6 +1381,7 @@ module ts {
         watch?: boolean;
         preserveConstEnums?: boolean;
         allowNonTsExtensions?: boolean;
+        suppress?: ErrorGroup;
         [option: string]: string | number | boolean;
     }
 
@@ -1555,7 +1556,11 @@ module ts {
         tab = 0x09,                   // \t
         verticalTab = 0x0B,           // \v
     }
-    
+
+    export const enum ErrorGroup {
+        ImplicitAnyIndex = 0x01
+    }
+
     export interface CancellationToken {
         isCancellationRequested(): boolean;
     }

src/harness/harness.ts

@@ -777,6 +777,16 @@ module Harness {
                         case 'preserveconstenums':
                             options.preserveConstEnums = setting.value === 'true';
                             break;
+
+                        case 'suppress':
+                            if (typeof setting.value === 'string' && setting.value.toLowerCase() === 'implicitanyindex') {
+                                options.suppress = ts.ErrorGroup.ImplicitAnyIndex;
+                            }
+                            else {
+                                throw new Error('Unkown value for suppress ' + setting.value);
+                            }
+                            break;
+
                         default:
                             throw new Error('Unsupported compiler setting ' + setting.flag);
                     }
@@ -1162,7 +1172,7 @@ module Harness {
         var optionRegex = /^[\/]{2}\s*@(\w+)\s*:\s*(\S*)/gm;  // multiple matches on multiple lines
 
         // List of allowed metadata names
-        var fileMetadataNames = ["filename", "comments", "declaration", "module", "nolib", "sourcemap", "target", "out", "outdir", "noemitonerror","noimplicitany", "noresolve", "newline", "newlines", "emitbom", "errortruncation", "usecasesensitivefilenames", "preserveconstenums"];
+        var fileMetadataNames = ["filename", "comments", "declaration", "module", "nolib", "sourcemap", "target", "out", "outdir", "noemitonerror", "noimplicitany", "noresolve", "newline", "newlines", "emitbom", "errortruncation", "usecasesensitivefilenames", "preserveconstenums", "suppress"];
 
         function extractCompilerSettings(content: string): CompilerSetting[] {