[coverage] Block coverage with support for IfStatements

src/parsing/parser-base.h

 // Copyright 2012 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_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 5137 matching lines @@
 typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseIfStatement(
     ZoneList<const AstRawString*>* labels, bool* ok) {
   // IfStatement ::
   //   'if' '(' Expression ')' Statement ('else' Statement)?
 
   int pos = peek_position();
   Expect(Token::IF, CHECK_OK);
   Expect(Token::LPAREN, CHECK_OK);
   ExpressionT condition = ParseExpression(true, CHECK_OK);
   Expect(Token::RPAREN, CHECK_OK);
+
+  SourceRange then_range, else_range;
+  then_range.from = peek_position();
   StatementT then_statement = ParseScopedStatement(labels, CHECK_OK);
+  then_range.to = position();
+
   StatementT else_statement = impl()->NullStatement();
   if (Check(Token::ELSE)) {
+    else_range.from = peek_position();
     else_statement = ParseScopedStatement(labels, CHECK_OK);
+    else_range.to = position();
   } else {
     else_statement = factory()->NewEmptyStatement(kNoSourcePosition);
   }
   return factory()->NewIfStatement(condition, then_statement, else_statement,
-                                   pos);
+                                   pos, then_range, else_range);
 }
 
 template <typename Impl>
 typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseContinueStatement(
     bool* ok) {
   // ContinueStatement ::
   //   'continue' Identifier? ';'
 
   int pos = peek_position();
   Expect(Token::CONTINUE, CHECK_OK);
@@ skipping 845 matching lines @@
 }
 
 #undef CHECK_OK
 #undef CHECK_OK_CUSTOM
 #undef CHECK_OK_VOID
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H