Refactor compiledb implementation

This comment enables the possibility to build the "compile_commands.json" file by only using `scons -Q compiledb`. No need to use the argument `compiledb=yes`. And when using the `compiledb=yes`, it will create a "compiled_commands.json" automatically.

Author: adamscott

tools/godotcpp.py

@@ -274,9 +274,8 @@ def generate(env):
  env["OBJSUFFIX"] = suffix + env["OBJSUFFIX"]
 
  # compile_commands.json
- if env.get("compiledb", False):
- env.Tool("compilation_db")
- env.Alias("compiledb", env.CompilationDatabase(normalize_path(env["compiledb_file"], env)))
+ env.Tool("compilation_db")
+ env.Alias("compiledb", env.CompilationDatabase(normalize_path(env["compiledb_file"], env)))
 
  # Builders
  env.Append(BUILDERS={"GodotCPPBindings": Builder(action=scons_generate_bindings, emitter=scons_emit_files)})
@@ -315,7 +314,13 @@ def _godot_cpp(env):
 
  if env["build_library"]:
  library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
- env.Default(library)
+ default_args = [library]
+
+ # Add compiledb if the option is set
+ if env.get("compiledb", False):
+ default_args += [env.CompilationDatabase(normalize_path(env["compiledb_file"], env))]
+
+ env.Default(*default_args)
 
  env.AppendUnique(LIBS=[env.File("bin/%s" % library_name)])
  return library