address review comment

Signed-off-by: chenwei.sun <chenwei.sun@intel.com>

Author: tomflinda

clang/lib/DPCT/MigrateScript/MigrateCmakeScript.cpp

@@ -575,15 +575,15 @@ applyCmakeMigrationRules(const clang::tooling::UnifiedPath InRoot,
 
 // cmake systaxes need to be processed by implicit migration rules, as they are
 // difficult to be described with yaml based rule syntax.
-static const std::vector<std::string> ImplicitMigrationRules = {
+static const std::vector<std::string> BuiltinMigrationRules = {
     "cmake_minimum_required", "execute_process", "cuda_compile",
     "cuda_compile_fatbin"};
 
-static void reserveImplicitMigrationRules() {
-  for (const auto &Rule : ImplicitMigrationRules) {
+static void reserveBuiltinMigrationRules() {
+  for (const auto &Rule : BuiltinMigrationRules) {
     MetaRuleObject::PatternRewriter PrePR;
     PrePR.BuildScriptSyntax = Rule;
-    PrePR.RuleId = "implicit_rule_" + Rule;
+    PrePR.RuleId = "builtin_rule_" + Rule;
 
     auto Iter = CmakeBuildInRules.find(PrePR.BuildScriptSyntax);
     if (Iter != CmakeBuildInRules.end()) {
@@ -607,7 +607,7 @@ void doCmakeScriptMigration(const clang::tooling::UnifiedPath &InRoot,
   loadBufferFromFile(InRoot, OutRoot, CmakeScriptFileBufferMap);
   unifyInputFileFormat(CmakeScriptFileBufferMap, ScriptFileCRLFMap);
   convertAllCmakeCommandsToLowerCase();
-  reserveImplicitMigrationRules();
+  reserveBuiltinMigrationRules();
   doCmakeScriptAnalysis();
   applyCmakeMigrationRules(InRoot, OutRoot);
   storeBufferToFile(CmakeScriptFileBufferMap, ScriptFileCRLFMap);

clang/test/dpct/cmake_migration/case_068/migration_ref.log

@@ -1,4 +1,4 @@
 // CHECK: Warning: Only CMake scripts will be migrated as no --migrate-build-script option is provided.
 // CHECK: dpct exited with code: 4 (Migration of build script(s) completed.)
-// CHECK: [Warning]: Two migration rules (Rule:implicit_rule_execute_process, Rule:rule_execute_process) are duplicated, the migration rule (Rule:implicit_rule_execute_process) is ignored.
+// CHECK: [Warning]: Two migration rules (Rule:builtin_rule_execute_process, Rule:rule_execute_process) are duplicated, the migration rule (Rule:builtin_rule_execute_process) is ignored.
 // CHECK: Processing: {{(.+)}}input.cmake