This patch should not be merged. It is a quick tool to test
CDataParser.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
parse_c.py | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100755 parse_c.py
diff --git a/parse_c.py b/parse_c.py
new file mode 100755
index 000000000000..740445998965
--- /dev/null
+++ b/parse_c.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+# example.py
+"""
+Run a quick demo on a real C source file.
+
+Usage
+-----
+ python -m c_struct_parser.example <path/to/c/file.c>
+"""
+
+import argparse
+
+from tools.lib.python.kdoc.data_parser import CDataParser
+
+TEST = """
+struct property_entry {
+ const char *name;
+ size_t length;
+ bool is_inline; /* TEST */
+ struct foo {
+ char *bar[12];
+ struct foobar {
+ enum enum_type my_enum; /* TEST 2 */
+ struct {
+ uint_t test; /* TEST 3 */
+ static const int anonymous;
+ };
+ };
+ ;; /* This is valid, but should not occur in practice */
+ {}; /* Same here */
+ };
+ enum dev_prop_type type;
+ enum {
+ EXPRESSION_LITERAL,
+ EXPRESSION_BINARY,
+ EXPRESSION_UNARY,
+ EXPRESSION_FUNCTION,
+ EXPRESSION_ARRAY
+ } literal;
+
+ union {
+ const void *pointer;
+ union {
+ u8 boou8_data[sizeof(u64) / sizeof(u8)];
+ u16 u16_data[sizeof(u64) / sizeof(u16)];
+ u32 u32_data[sizeof(u64) / sizeof(u32)];
+ u64 u64_data[sizeof(u64) / sizeof(u64)];
+ const char *str[sizeof(u64) / sizeof(char *)];
+ };
+ };
+ char *prop_name;
+};
+"""
+
+
+def main():
+ p = argparse.ArgumentParser(description="Parse a C struct/union/enum definition.")
+
+ p.add_argument("fname", nargs="?", help="C source file to parse")
+
+ args = p.parse_args()
+
+ if args.fname:
+ with open(args.fname, "r", encoding="utf-8") as f:
+ source = f.read()
+ else:
+ source = TEST
+
+ parser = CDataParser(source)
+
+ item = parser.item
+
+ print(repr(item))
+
+ print(f"{item.decl_type} {item.decl_name}\n")
+
+ print("parameterlist:")
+ for p in item.parameterlist:
+ print(f" - {p}")
+
+ print("\nparametertypes:")
+ for k, v in item.parametertypes.items():
+ print(f" - {k}: {v}")
+
+
+if __name__ == "__main__":
+ main()
--
2.53.0