[strong] Remove all remainders of strong mode

src/parsing/expression-classifier.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSING_EXPRESSION_CLASSIFIER_H
 #define V8_PARSING_EXPRESSION_CLASSIFIER_H
 
 #include "src/messages.h"
 #include "src/parsing/scanner.h"
 #include "src/parsing/token.h"
@@ skipping 18 matching lines @@
     const char* arg;
   };
 
   enum TargetProduction {
     ExpressionProduction = 1 << 0,
     FormalParameterInitializerProduction = 1 << 1,
     BindingPatternProduction = 1 << 2,
     AssignmentPatternProduction = 1 << 3,
     DistinctFormalParametersProduction = 1 << 4,
     StrictModeFormalParametersProduction = 1 << 5,
-    StrongModeFormalParametersProduction = 1 << 6,
-    ArrowFormalParametersProduction = 1 << 7,
-    LetPatternProduction = 1 << 8,
-    CoverInitializedNameProduction = 1 << 9,
+    ArrowFormalParametersProduction = 1 << 6,
+    LetPatternProduction = 1 << 7,
+    CoverInitializedNameProduction = 1 << 8,
 
     ExpressionProductions =
         (ExpressionProduction | FormalParameterInitializerProduction),
     PatternProductions = (BindingPatternProduction |
                           AssignmentPatternProduction | LetPatternProduction),
     FormalParametersProductions = (DistinctFormalParametersProduction |
-                                   StrictModeFormalParametersProduction |
-                                   StrongModeFormalParametersProduction),
+                                   StrictModeFormalParametersProduction),
     StandardProductions = ExpressionProductions | PatternProductions,
     AllProductions =
         (StandardProductions | FormalParametersProductions |
          ArrowFormalParametersProduction | CoverInitializedNameProduction)
   };
 
   enum FunctionProperties { NonSimpleParameter = 1 << 0 };
 
   explicit ExpressionClassifier(const Traits* t)
       : zone_(t->zone()),
@@ skipping 42 matching lines @@
   bool is_valid_formal_parameter_list_without_duplicates() const {
     return is_valid(DistinctFormalParametersProduction);
   }
 
   // Note: callers should also check
   // is_valid_formal_parameter_list_without_duplicates().
   bool is_valid_strict_mode_formal_parameters() const {
     return is_valid(StrictModeFormalParametersProduction);
   }
 
-  // Note: callers should also check is_valid_strict_mode_formal_parameters()
-  // and is_valid_formal_parameter_list_without_duplicates().
-  bool is_valid_strong_mode_formal_parameters() const {
-    return is_valid(StrongModeFormalParametersProduction);
-  }
-
   bool is_valid_let_pattern() const { return is_valid(LetPatternProduction); }
 
   const Error& expression_error() const { return expression_error_; }
 
   const Error& formal_parameter_initializer_error() const {
     return formal_parameter_initializer_error_;
   }
 
   const Error& binding_pattern_error() const { return binding_pattern_error_; }
 
   const Error& assignment_pattern_error() const {
     return assignment_pattern_error_;
   }
 
   const Error& arrow_formal_parameters_error() const {
     return arrow_formal_parameters_error_;
   }
 
   const Error& duplicate_formal_parameter_error() const {
     return duplicate_formal_parameter_error_;
   }
 
   const Error& strict_mode_formal_parameter_error() const {
     return strict_mode_formal_parameter_error_;
   }
 
-  const Error& strong_mode_formal_parameter_error() const {
-    return strong_mode_formal_parameter_error_;
-  }
-
   const Error& let_pattern_error() const { return let_pattern_error_; }
 
   bool has_cover_initialized_name() const {
     return !is_valid(CoverInitializedNameProduction);
   }
   const Error& cover_initialized_name_error() const {
     return cover_initialized_name_error_;
   }
 
   bool is_simple_parameter_list() const {
@@ skipping 86 matching lines @@
   void RecordStrictModeFormalParameterError(const Scanner::Location& loc,
                                             MessageTemplate::Template message,
                                             const char* arg = nullptr) {
     if (!is_valid_strict_mode_formal_parameters()) return;
     invalid_productions_ |= StrictModeFormalParametersProduction;
     strict_mode_formal_parameter_error_.location = loc;
     strict_mode_formal_parameter_error_.message = message;
     strict_mode_formal_parameter_error_.arg = arg;
   }
 
-  void RecordStrongModeFormalParameterError(const Scanner::Location& loc,
-                                            MessageTemplate::Template message,
-                                            const char* arg = nullptr) {
-    if (!is_valid_strong_mode_formal_parameters()) return;
-    invalid_productions_ |= StrongModeFormalParametersProduction;
-    strong_mode_formal_parameter_error_.location = loc;
-    strong_mode_formal_parameter_error_.message = message;
-    strong_mode_formal_parameter_error_.arg = arg;
-  }
-
   void RecordLetPatternError(const Scanner::Location& loc,
                              MessageTemplate::Template message,
                              const char* arg = nullptr) {
     if (!is_valid_let_pattern()) return;
     invalid_productions_ |= LetPatternProduction;
     let_pattern_error_.location = loc;
     let_pattern_error_.message = message;
     let_pattern_error_.arg = arg;
   }
 
@@ skipping 41 matching lines @@
       if (errors & BindingPatternProduction)
         binding_pattern_error_ = inner->binding_pattern_error_;
       if (errors & AssignmentPatternProduction)
         assignment_pattern_error_ = inner->assignment_pattern_error_;
       if (errors & DistinctFormalParametersProduction)
         duplicate_formal_parameter_error_ =
             inner->duplicate_formal_parameter_error_;
       if (errors & StrictModeFormalParametersProduction)
         strict_mode_formal_parameter_error_ =
             inner->strict_mode_formal_parameter_error_;
-      if (errors & StrongModeFormalParametersProduction)
-        strong_mode_formal_parameter_error_ =
-            inner->strong_mode_formal_parameter_error_;
       if (errors & LetPatternProduction)
         let_pattern_error_ = inner->let_pattern_error_;
       if (errors & CoverInitializedNameProduction)
         cover_initialized_name_error_ = inner->cover_initialized_name_error_;
     }
 
     // As an exception to the above, the result continues to be a valid arrow
     // formal parameters if the inner expression is a valid binding pattern.
     if (productions & ArrowFormalParametersProduction &&
         is_valid_arrow_formal_parameters()) {
@@ skipping 26 matching lines @@
   int non_pattern_begin_;
   unsigned invalid_productions_;
   unsigned function_properties_;
   Error expression_error_;
   Error formal_parameter_initializer_error_;
   Error binding_pattern_error_;
   Error assignment_pattern_error_;
   Error arrow_formal_parameters_error_;
   Error duplicate_formal_parameter_error_;
   Error strict_mode_formal_parameter_error_;
-  Error strong_mode_formal_parameter_error_;
   Error let_pattern_error_;
   Error cover_initialized_name_error_;
   DuplicateFinder* duplicate_finder_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_EXPRESSION_CLASSIFIER_H