[PATCH] D118509: [flang] Implement a runtime routine to report fatal errors with source position

[Pete Steinfeld via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGeb933225f491: [flang] Implement a runtime routine to report fatal errors with source position (authored by PeteSteinfeld).

Changed prior to commit:
  https://reviews.llvm.org/D118509?vs=404148&id=404187#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118509/new/

https://reviews.llvm.org/D118509

Files:
  flang/include/flang/Runtime/stop.h
  flang/runtime/stop.cpp
  flang/unittests/Runtime/Stop.cpp


Index: flang/unittests/Runtime/Stop.cpp
===================================================================
--- flang/unittests/Runtime/Stop.cpp
+++ flang/unittests/Runtime/Stop.cpp
@@ -83,3 +83,14 @@
 }
 
 TEST(TestProgramEnd, AbortTest) { EXPECT_DEATH(RTNAME(Abort)(), ""); }
+
+TEST(TestProgramEnd, CrashTest) {
+  static const std::string crashMessage{"bad user code"};
+  static const std::string fileName{"file name"};
+  static const std::string headMessage{"fatal Fortran runtime error\\("};
+  static const std::string tailMessage{":343\\): "};
+  static const std::string fullMessage{
+      headMessage + fileName + tailMessage + crashMessage};
+  EXPECT_DEATH(RTNAME(Crash)(crashMessage.c_str(), fileName.c_str(), 343),
+      fullMessage.c_str());
+}
Index: flang/runtime/stop.cpp
===================================================================
--- flang/runtime/stop.cpp
+++ flang/runtime/stop.cpp
@@ -143,4 +143,9 @@
 }
 
 [[noreturn]] void RTNAME(Abort)() { std::abort(); }
+
+[[noreturn]] void RTNAME(Crash)(
+    const char *message, const char *source, int line) {
+  Fortran::runtime::Terminator{source, line}.Crash(message);
+}
 }
Index: flang/include/flang/Runtime/stop.h
===================================================================
--- flang/include/flang/Runtime/stop.h
+++ flang/include/flang/Runtime/stop.h
@@ -30,6 +30,10 @@
 NORETURN void RTNAME(Exit)(int status = EXIT_SUCCESS);
 NORETURN void RTNAME(Abort)(NO_ARGUMENTS);
 
+// Crash with an error message when the program dynamically violates a Fortran
+// constraint.
+NORETURN void RTNAME(Crash)(const char *message, const char *source, int line);
+
 FORTRAN_EXTERN_C_END
 
 #endif // FORTRAN_RUNTIME_STOP_H_


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