Add new functions emscripten_log() in emscripten.h which allows printing out log messages with callstack information, and function emscripten_get_callstack(), which allows programmatically obtaining the current callstack.

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/test_core.py b/tests/test_core.py
index 476e0aa6..9991ccbd 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -6082,6 +6082,12 @@ def process(filename):
     dirname = self.get_dir()
     self.build(src, dirname, os.path.join(dirname, 'src.cpp'), post_build=(None, post))
 
+  def test_emscripten_log(self):
+    if self.emcc_args is None: return self.skip('This test needs libc.')
+    self.emcc_args += [path_from_root('system', 'lib', 'libcxxabi', 'src', 'cxa_demangle.cpp'), '-I'+path_from_root('system', 'lib', 'libcxxabi', 'include'), '--shell-file', path_from_root('tests', 'emscripten_log', 'shell-emscripten-log.html')]
+    if '-g' not in Building.COMPILER_TEST_OPTS: Building.COMPILER_TEST_OPTS.append('-g')
+    self.do_run('#define RUN_FROM_JS_SHELL\n' + open(path_from_root('tests', 'emscripten_log', 'emscripten_log.cpp')).read(), "Demangled name is 'foo()'.")
+
   def test_linespecific(self):
     if Settings.ASM_JS: return self.skip('asm always has corrections on')