Step 1 of LVGL update complete.

gen/fixed_gen_json.py

@@ -0,0 +1,120 @@
+import os
+import sys
+import shutil
+import subprocess
+import tempfile
+
+base_path = os.path.abspath(os.path.dirname(__file__))
+
+project_path = os.path.abspath(os.path.join(base_path, '..', 'lib', 'lvgl'))
+docs_path = os.path.join(project_path, 'docs')
+sys.path.insert(0, docs_path)
+
+
+import create_fake_lib_c  # NOQA
+import pycparser_monkeypatch  # NOQA
+import pycparser  # NOQA
+
+temp_directory = tempfile.mkdtemp(suffix='.lvgl_json')
+
+
+def run(lvgl_config_path, target_header, filter_private):
+
+    pycparser_monkeypatch.FILTER_PRIVATE = filter_private
+
+    lvgl_path = project_path
+    lvgl_src_path = os.path.join(lvgl_path, 'src')
+    temp_lvgl = os.path.join(temp_directory, 'lvgl')
+    target_header_base_name = (
+        os.path.splitext(os.path.split(target_header)[-1])[0]
+    )
+
+    os.mkdir(temp_lvgl)
+    shutil.copytree(lvgl_src_path, os.path.join(temp_lvgl, 'src'))
+    shutil.copyfile(os.path.join(lvgl_path, 'lvgl.h'), os.path.join(temp_lvgl, 'lvgl.h'))
+
+    pp_file = os.path.join(temp_directory, target_header_base_name + '.pp')
+
+    src = lvgl_config_path
+    dst = os.path.join(temp_directory, 'lv_conf.h')
+    shutil.copyfile(src, dst)
+
+    include_dirs = [temp_directory, project_path]
+
+    if sys.platform.startswith('darwin'):
+        include_path_env_key = 'C_INCLUDE_PATH'
+        cpp_cmd = [
+            'clang', '-std=c11', '-E', '-DINT32_MIN=0x80000000',
+        ]
+        output_pp = f' >> "{pp_file}"'
+    else:
+        include_path_env_key = 'C_INCLUDE_PATH'
+        cpp_cmd = [
+            'gcc', '-std=c11', '-E', '-Wno-incompatible-pointer-types',
+        ]
+        output_pp = f' >> "{pp_file}"'
+
+    fake_libc_path = create_fake_lib_c.run(temp_directory)
+
+    if include_path_env_key not in os.environ:
+        os.environ[include_path_env_key] = ''
+
+    os.environ[include_path_env_key] = (
+        f'{fake_libc_path}{os.pathsep}{os.environ[include_path_env_key]}'
+    )
+
+    if 'PATH' not in os.environ:
+        os.environ['PATH'] = ''
+
+    os.environ['PATH'] = (
+        f'{fake_libc_path}{os.pathsep}{os.environ["PATH"]}'
+    )
+
+    cpp_cmd.extend([
+        '-DLV_LVGL_H_INCLUDE_SIMPLE',
+        '-DLV_CONF_INCLUDE_SIMPLE',
+        '-DLV_USE_DEV_VERSION'
+    ])
+
+    cpp_cmd.extend(['-DPYCPARSER', f'"-I{fake_libc_path}"'])
+    cpp_cmd.extend([f'"-I{item}"' for item in include_dirs])
+    cpp_cmd.append(f'"{target_header}"')
+
+    if sys.platform.startswith('win'):
+        cpp_cmd.insert(len(cpp_cmd) - 2, output_pp)
+    else:
+        cpp_cmd.append(output_pp)
+
+    cpp_cmd = ' '.join(cpp_cmd)
+
+    p = subprocess.Popen(
+        cpp_cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        env=os.environ,
+        shell=True
+    )
+    out, err = p.communicate()
+    exit_code = p.returncode
+
+    if not os.path.exists(pp_file):
+        sys.stdout.write(out.decode('utf-8').strip() + '\n')
+        sys.stdout.write('EXIT CODE: ' + str(exit_code) + '\n')
+        sys.stderr.write(err.decode('utf-8').strip() + '\n')
+        sys.stdout.flush()
+        sys.stderr.flush()
+
+        raise RuntimeError('Unknown Failure')
+
+    with open(pp_file, 'r') as f:
+        pp_data = f.read()
+
+    cparser = pycparser.CParser()
+    ast = cparser.parse(pp_data, target_header)
+
+    ast.setup_docs(temp_directory)
+
+    shutil.rmtree(temp_directory)
+
+    return ast
+