support GHDL in example 'coverage'

examples/vhdl/coverage/run.py

@@ -5,22 +5,32 @@
 # Copyright (c) 2014-2020, Lars Asplund lars.anders.asplund@gmail.com
 
 from pathlib import Path
+from os import getcwd
 from vunit import VUnit
-
-
-def post_run(results):
-    results.merge_coverage(file_name="coverage_data")
-
+from subprocess import call
 
 VU = VUnit.from_argv()
 
 LIB = VU.add_library("lib")
 LIB.add_source_files(Path(__file__).parent / "*.vhd")
 
+LIB.set_sim_option("enable_coverage", True)
+
 LIB.set_compile_option("rivierapro.vcom_flags", ["-coverage", "bs"])
 LIB.set_compile_option("rivierapro.vlog_flags", ["-coverage", "bs"])
 LIB.set_compile_option("modelsim.vcom_flags", ["+cover=bs"])
 LIB.set_compile_option("modelsim.vlog_flags", ["+cover=bs"])
-LIB.set_sim_option("enable_coverage", True)
+LIB.set_compile_option("ghdl.flags", ["-g", "-O2", "-fprofile-arcs", "-ftest-coverage"])
+LIB.set_sim_option("ghdl.elab_flags", ["-Wl,-lgcov", "-Wl,--coverage"])
+
+
+def post_run(results):
+    if VU.get_simulator_name() != "ghdl":
+        results.merge_coverage(file_name="coverage_data")
+    try:
+        call(["gcovr", "-r", getcwd()])
+    except Exception:
+        pass
+
 
 VU.main(post_run=post_run)

tests/acceptance/test_external_run_scripts.py

@@ -119,6 +119,13 @@ def test_vhdl_third_party_integration_example_project(self):
     def test_vhdl_check_example_project(self):
         self.check(join(ROOT, "examples", "vhdl", "check", "run.py"))
 
+    @unittest.skipIf(
+        simulator_check(lambda simclass: not simclass.supports_coverage()),
+        "This simulator/backend does not support coverage",
+    )
+    def test_vhdl_coverage_example_project(self):
+        self.check(join(ROOT, "examples", "vhdl", "coverage", "run.py"))
+
     def test_vhdl_generate_tests_example_project(self):
         self.check(join(ROOT, "examples", "vhdl", "generate_tests", "run.py"))
         check_report(