[binary size] Move PendingCompilationErrorHandler implementation out-of-line

These functions should only be called in case of a parse error, so speed
of calling them should not be a concern.

In local testing, this saves ~16k of binary size on a release mode build.

Bug: v8:7090
Change-Id: I433df81c2a5811ed922885dbab3ce003427f3d1c
Reviewed-on: https://chromium-review.googlesource.com/780693Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49551}

src/parsing/parser.h

@@ -804,7 +804,7 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   }
 
   // Reporting errors.
-  V8_INLINE void ReportMessageAt(Scanner::Location source_location,
+  void ReportMessageAt(Scanner::Location source_location,
                        MessageTemplate::Template message,
                        const char* arg = nullptr,
                        ParseErrorType error_type = kSyntaxError) {
@@ -820,7 +820,7 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
                                              arg, error_type);
   }
 
-  V8_INLINE void ReportMessageAt(Scanner::Location source_location,
+  void ReportMessageAt(Scanner::Location source_location,
                        MessageTemplate::Template message,
                        const AstRawString* arg,
                        ParseErrorType error_type = kSyntaxError) {

src/parsing/preparser.h

@@ -1428,7 +1428,7 @@ class PreParser : public ParserBase<PreParser> {
   }
 
   // Reporting errors.
-  V8_INLINE void ReportMessageAt(Scanner::Location source_location,
+  void ReportMessageAt(Scanner::Location source_location,
                        MessageTemplate::Template message,
                        const char* arg = nullptr,
                        ParseErrorType error_type = kSyntaxError) {

src/pending-compilation-error-handler.cc

@@ -30,6 +30,35 @@ MessageLocation PendingCompilationErrorHandler::MessageDetails::GetLocation(
   return MessageLocation(script, start_position_, end_position_);
 }
 
+void PendingCompilationErrorHandler::ReportMessageAt(
+    int start_position, int end_position, MessageTemplate::Template message,
+    const char* arg, ParseErrorType error_type) {
+  if (has_pending_error_) return;
+  has_pending_error_ = true;
+
+  error_details_ =
+      MessageDetails(start_position, end_position, message, nullptr, arg);
+  error_type_ = error_type;
+}
+
+void PendingCompilationErrorHandler::ReportMessageAt(
+    int start_position, int end_position, MessageTemplate::Template message,
+    const AstRawString* arg, ParseErrorType error_type) {
+  if (has_pending_error_) return;
+  has_pending_error_ = true;
+
+  error_details_ =
+      MessageDetails(start_position, end_position, message, arg, nullptr);
+  error_type_ = error_type;
+}
+
+void PendingCompilationErrorHandler::ReportWarningAt(
+    int start_position, int end_position, MessageTemplate::Template message,
+    const char* arg) {
+  warning_messages_.emplace_front(
+      MessageDetails(start_position, end_position, message, nullptr, arg));
+}
+
 void PendingCompilationErrorHandler::ReportWarnings(Isolate* isolate,
                                                     Handle<Script> script) {
   DCHECK(!has_pending_error());

src/pending-compilation-error-handler.h

@@ -32,33 +32,16 @@ class PendingCompilationErrorHandler {
   void ReportMessageAt(int start_position, int end_position,
                        MessageTemplate::Template message,
                        const char* arg = nullptr,
-                       ParseErrorType error_type = kSyntaxError) {
-    if (has_pending_error_) return;
-    has_pending_error_ = true;
-
-    error_details_ =
-        MessageDetails(start_position, end_position, message, nullptr, arg);
-    error_type_ = error_type;
-  }
+                       ParseErrorType error_type = kSyntaxError);
 
   void ReportMessageAt(int start_position, int end_position,
                        MessageTemplate::Template message,
                        const AstRawString* arg,
-                       ParseErrorType error_type = kSyntaxError) {
-    if (has_pending_error_) return;
-    has_pending_error_ = true;
-
-    error_details_ =
-        MessageDetails(start_position, end_position, message, arg, nullptr);
-    error_type_ = error_type;
-  }
+                       ParseErrorType error_type = kSyntaxError);
 
   void ReportWarningAt(int start_position, int end_position,
                        MessageTemplate::Template message,
-                       const char* arg = nullptr) {
-    warning_messages_.emplace_front(
-        MessageDetails(start_position, end_position, message, nullptr, arg));
-  }
+                       const char* arg = nullptr);
 
   bool stack_overflow() const { return stack_overflow_; }