added build project test and fixed segfault

src/cfg/opt.c

@@ -258,6 +258,10 @@ static int parse_project_table(ProjectConfig *config, const toml_table_t *projec
 }
 
 static int get_mode_from_str(TargetCompilationMode* mode, const char* name) {
+    if (mode == NULL) {
+        return PROJECT_SEMANTIC_ERR;
+    }
+
     if (strcmp(name, "application") == 0) {
         *mode = Application;
         return PROJECT_OK;

tests/CMakeLists.txt

@@ -9,4 +9,5 @@ set(CTEST_BINARY_DIRECTORY ${PROJECT_BINARY_DIR}/tests)
 add_subdirectory(logging)
 add_subdirectory(input_file)
 add_subdirectory(ast)
-add_subdirectory(glib)
+add_subdirectory(glib)
+add_subdirectory(project)

tests/project/CMakeLists.txt

@@ -0,0 +1,9 @@
+include(CTest)
+
+# ------------------------------------------------------- #
+# CTEST 1
+# test if the program successfully reads the project config
+
+add_test(NAME project_build
+        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests/project
+        COMMAND python ${GEMSTONE_TEST_DIR}/project/test_project.py)

tests/project/build.toml

@@ -0,0 +1,15 @@
+[project]
+authors = [ "Sven Vogel" ]
+license = "GPL-2.0"
+version = "0.1.0"
+description = "This is a test project"
+
+[target.debug]
+root = "src/main.txt"
+output = "bin"
+archive = "archive"
+opt = 1
+print_ast = true
+print_asm = true
+print_ir = true
+mode = "application"

tests/project/src/main.txt

@@ -0,0 +1,4 @@
+
+fun main(out int: e) {
+    e = 0
+}

tests/project/test_project.py

@@ -0,0 +1,15 @@
+import subprocess
+import logging
+from logging import info, error
+
+if __name__ == "__main__":
+    info("started check output...")
+
+    p = subprocess.run([ "../../bin/debug/gsc", "build", "all" ], capture_output=True, text=True)
+
+    info("checking exit code...")
+
+    print(p.stdout)
+
+    # check exit code
+    assert p.returncode == 0