| """ |
| This defines a macro to cut down on boiler plate for generating sksl test resources. |
| """ |
| |
| def compile_sksl(name, lang, inputs, settings = "settings"): |
| """Creates a rule to compile the given sksl inputs |
| |
| This macro creates a py_binary rule to invoke the //gn:compile_sksl_tests.py script and a |
| helper genrule which creates the list of all file names that should be processed by that |
| python script. |
| |
| The generated py_binary rule is called compute_${name} and can be run via `bazel run`. |
| |
| Args: |
| name: A string used to uniquely identify the generated compile and list rule. |
| lang: A string passed into the compile_sksl_tests.py script. |
| inputs: A filegroup label containing all the input files to be processed. |
| settings: A string passed into the compile_sksl_tests.py script. |
| """ |
| |
| # https://bazel.build/reference/be/python#py_binary |
| native.py_binary( |
| name = "compile_" + name, |
| main = ":sksl_compile_tests.py", |
| srcs = [":sksl_compile_tests.py"], |
| args = [ |
| # comments are the variable names in compile_sksl_tests.py |
| "--" + lang, # lang |
| "--" + settings, # settings |
| "resources", # input_root_dir |
| "tests", # output_root_dir |
| "bazel-bin/tools/skslc/%s.txt" % name, # input_file |
| ], |
| data = [ |
| ":%s.txt" % name, |
| inputs, |
| ":skslc", |
| "//gn:compile_sksl_tests", |
| ], |
| tags = ["no-remote"], |
| ) |
| |
| native.genrule( |
| name = "enumerate_%s_list" % name, # This name does not really matter. |
| srcs = [inputs], |
| outs = [name + ".txt"], |
| # Put a space seperated list of file names into the one output |
| # This is done because the list could be quite long and overflow |
| # the command line length |
| # https://bazel.build/reference/be/make-variables#predefined_genrule_variables |
| cmd = "echo $(SRCS) > $@", |
| ) |