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nouveau/headers: Drop unused Rust constants

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The only users of the Rust crate use the structs and Mthd impls.  This
reduces the size of libnouveau_headers.rlib from 99 MiB to 84 MiB.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34136>
This commit is contained in:
Faith Ekstrand
2025-03-23 00:32:12 -05:00
committed by Marge Bot
parent 5cbf7f5bd7
commit 51da40d0db
1 changed files with 0 additions and 64 deletions
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src/nouveau/headers/class_parser.py
-64
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@@ -476,65 +476,6 @@ def parse_header(nvcl, f):
return (version, methods)
def convert_to_rust_constants(filename):
with open(filename, 'r') as file:
lines = file.readlines()
rust_items = []
processed_constants = {}
file_prefix = "NV" + os.path.splitext(os.path.basename(filename))[0].upper() + "_"
file_prefix = file_prefix.replace('CL', '')
for line in lines:
match = re.match(r'#define\s+(\w+)\((\w+)\)\s+(.+)', line.strip())
if match:
name, arg, expr = match.groups()
if name in processed_constants:
processed_constants[name] += 1
name += f"_{processed_constants[name]}"
else:
processed_constants[name] = 0
name = name.replace(file_prefix, '')
# convert to snake case
name = re.sub(r'(?<=[a-z])(?=[A-Z])', '_', name).lower()
rust_items.append(f"#[inline]\npub fn {name} ({arg}: u32) -> u32 {{ {expr.replace('(', '').replace(')', '')} }} ")
else:
match = re.match(r'#define\s+(\w+)\s+(?:MW\()?(\d+):(\d+)\)?', line.strip())
if match:
name, high, low = match.groups()
high = int(high) + 1 # Convert to exclusive range
if name in processed_constants:
processed_constants[name] += 1
name += f"_{processed_constants[name]}"
else:
processed_constants[name] = 0
# name = name.replace('__', '_').replace(file_prefix, '')
name = name.replace(file_prefix, '')
rust_items.append(f"pub const {name}: Range<u32> = {low}..{high};")
else:
match = re.match(r'#define\s+(\w+)\s+\(?0x(\w+)\)?', line.strip())
if match:
name, value = match.groups()
if name in processed_constants:
processed_constants[name] += 1
name += f"_{processed_constants[name]}"
else:
processed_constants[name] = 0
name = name.replace(file_prefix, '')
rust_items.append(f"pub const {name}: u32 = 0x{value};")
else:
match = re.match(r'#define\s+(\w+)\s+\(?(\d+)\)?', line.strip())
if match:
name, value = match.groups()
if name in processed_constants:
processed_constants[name] += 1
name += f"_{processed_constants[name]}"
else:
processed_constants[name] = 0
name = name.replace(file_prefix, '')
rust_items.append(f"pub const {name}: u32 = {value};")
return '\n'.join(rust_items)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--out-h', required=False, help='Output C header.')
@@ -579,15 +520,10 @@ def main():
f.write(TEMPLATE_RS.render(**environment))
if args.out_rs_mthd is not None:
with open(args.out_rs_mthd, 'w', encoding='utf-8') as f:
f.write("#![allow(non_camel_case_types)]\n")
f.write("#![allow(non_snake_case)]\n")
f.write("#![allow(non_upper_case_globals)]\n\n")
f.write("use std::ops::Range;\n")
f.write("use crate::Mthd;\n")
f.write("use crate::ArrayMthd;\n")
f.write("\n")
f.write(convert_to_rust_constants(args.in_h))
f.write("\n")
f.write(TEMPLATE_RS_MTHD.render(**environment))
except Exception: