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Style: Integrate #pragma once in builders/checks

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This commit is contained in:
Thaddeus Crews
2025-03-07 17:52:09 -06:00
parent a3f89217df
commit 107cb1da5e
2 changed files with 59 additions and 146 deletions
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74
binding_generator.py
View File

@@ -51,11 +51,7 @@ virtual $RETVAL _##m_name($FUNCARGS) $CONST override; \\
def generate_wrappers(target):
max_versions = 12
txt = """
#ifndef GDEXTENSION_WRAPPERS_GEN_H
#define GDEXTENSION_WRAPPERS_GEN_H
"""
txt = "#pragma once"
for i in range(max_versions + 1):
txt += "\n/* Module Wrapper " + str(i) + " Arguments */\n"
@@ -64,8 +60,6 @@ def generate_wrappers(target):
txt += generate_mod_version(i, True, False)
txt += generate_mod_version(i, True, True)
txt += "\n#endif\n"
with open(target, "w", encoding="utf-8") as f:
f.write(txt)
@@ -187,8 +181,7 @@ def generate_virtuals(target):
max_versions = 12
txt = """/* THIS FILE IS GENERATED DO NOT EDIT */
#ifndef GDEXTENSION_GDVIRTUAL_GEN_H
#define GDEXTENSION_GDVIRTUAL_GEN_H
#pragma once
"""
@@ -203,8 +196,6 @@ def generate_virtuals(target):
txt += generate_virtual_version(i, True, False, True)
txt += generate_virtual_version(i, True, True, True)
txt += "#endif // GDEXTENSION_GDVIRTUAL_GEN_H\n"
with open(target, "w", encoding="utf-8") as f:
f.write(txt)
@@ -359,11 +350,8 @@ def generate_builtin_bindings(api, output_dir, build_config):
variant_size_source = []
add_header("variant_size.hpp", variant_size_source)
header_guard = "GODOT_CPP_VARIANT_SIZE_HPP"
variant_size_source.append(f"#ifndef {header_guard}")
variant_size_source.append(f"#define {header_guard}")
variant_size_source.append("#pragma once")
variant_size_source.append(f'#define GODOT_CPP_VARIANT_SIZE {builtin_sizes["Variant"]}')
variant_size_source.append(f"#endif // ! {header_guard}")
variant_size_file.write("\n".join(variant_size_source))
@@ -443,8 +431,7 @@ def generate_builtin_bindings(api, output_dir, build_config):
builtin_header = []
add_header("builtin_types.hpp", builtin_header)
builtin_header.append("#ifndef GODOT_CPP_BUILTIN_TYPES_HPP")
builtin_header.append("#define GODOT_CPP_BUILTIN_TYPES_HPP")
builtin_header.append("#pragma once")
builtin_header.append("")
@@ -459,8 +446,6 @@ def generate_builtin_bindings(api, output_dir, build_config):
builtin_header.append("")
builtin_header.append("#endif // ! GODOT_CPP_BUILTIN_TYPES_HPP")
builtin_header_file.write("\n".join(builtin_header))
# Create a header with bindings for builtin types.
@@ -469,8 +454,7 @@ def generate_builtin_bindings(api, output_dir, build_config):
builtin_binds = []
add_header("builtin_binds.hpp", builtin_binds)
builtin_binds.append("#ifndef GODOT_CPP_BUILTIN_BINDS_HPP")
builtin_binds.append("#define GODOT_CPP_BUILTIN_BINDS_HPP")
builtin_binds.append("#pragma once")
builtin_binds.append("")
builtin_binds.append("#include <godot_cpp/variant/builtin_types.hpp>")
builtin_binds.append("")
@@ -482,7 +466,6 @@ def generate_builtin_bindings(api, output_dir, build_config):
builtin_binds.append(f"VARIANT_ENUM_CAST({builtin_api['name']}::{enum_api['name']});")
builtin_binds.append("")
builtin_binds.append("#endif // ! GODOT_CPP_BUILTIN_BINDS_HPP")
builtin_binds_file.write("\n".join(builtin_binds))
@@ -498,9 +481,7 @@ def generate_builtin_class_vararg_method_implements_header(builtin_classes):
add_header("builtin_vararg_methods.hpp", result)
header_guard = "GODOT_CPP_BUILTIN_VARARG_METHODS_HPP"
result.append(f"#ifndef {header_guard}")
result.append(f"#define {header_guard}")
result.append("#pragma once")
result.append("")
for builtin_api in builtin_classes:
if "methods" not in builtin_api:
@@ -515,8 +496,6 @@ def generate_builtin_class_vararg_method_implements_header(builtin_classes):
)
result.append("")
result.append(f"#endif // ! {header_guard}")
return "\n".join(result)
@@ -526,12 +505,9 @@ def generate_builtin_class_header(builtin_api, size, used_classes, fully_used_cl
class_name = builtin_api["name"]
snake_class_name = camel_to_snake(class_name).upper()
header_guard = f"GODOT_CPP_{snake_class_name}_HPP"
add_header(f"{snake_class_name.lower()}.hpp", result)
result.append(f"#ifndef {header_guard}")
result.append(f"#define {header_guard}")
result.append("#pragma once")
result.append("")
result.append("#include <godot_cpp/core/defs.hpp>")
@@ -960,8 +936,6 @@ def generate_builtin_class_header(builtin_api, size, used_classes, fully_used_cl
result.append("")
result.append("} // namespace godot")
result.append("")
result.append(f"#endif // ! {header_guard}")
result.append("")
return "\n".join(result)
@@ -1493,9 +1467,7 @@ def generate_engine_classes_bindings(api, output_dir, use_template_get_node):
result = []
add_header(f"{snake_struct_name}.hpp", result)
header_guard = f"GODOT_CPP_{snake_struct_name.upper()}_HPP"
result.append(f"#ifndef {header_guard}")
result.append(f"#define {header_guard}")
result.append("#pragma once")
used_classes = []
expanded_format = native_struct["format"].replace("(", " ").replace(")", ";").replace(",", ";")
@@ -1535,7 +1507,6 @@ def generate_engine_classes_bindings(api, output_dir, use_template_get_node):
result.append("")
result.append("} // namespace godot")
result.append("")
result.append(f"#endif // ! {header_guard}")
with header_filename.open("w+", encoding="utf-8") as header_file:
header_file.write("\n".join(result))
@@ -1551,11 +1522,7 @@ def generate_engine_class_header(class_api, used_classes, fully_used_classes, us
add_header(f"{snake_class_name.lower()}.hpp", result)
header_guard = f"GODOT_CPP_{snake_class_name}_HPP"
result.append(f"#ifndef {header_guard}")
result.append(f"#define {header_guard}")
result.append("#pragma once")
result.append("")
if len(fully_used_classes) > 0:
@@ -1844,7 +1811,6 @@ def generate_engine_class_header(class_api, used_classes, fully_used_classes, us
result.append("\t")
result.append("")
result.append(f"#endif // ! {header_guard}")
result.append("")
return "\n".join(result)
@@ -2046,9 +2012,7 @@ def generate_global_constants(api, output_dir):
header_filename = include_gen_folder / "global_constants.hpp"
header_guard = "GODOT_CPP_GLOBAL_CONSTANTS_HPP"
header.append(f"#ifndef {header_guard}")
header.append(f"#define {header_guard}")
header.append("#pragma once")
header.append("")
header.append("#include <cstdint>")
header.append("")
@@ -2078,7 +2042,6 @@ def generate_global_constants(api, output_dir):
header.append("} // namespace godot")
header.append("")
header.append(f"#endif // ! {header_guard}")
with header_filename.open("w+", encoding="utf-8") as header_file:
header_file.write("\n".join(header))
@@ -2094,9 +2057,7 @@ def generate_version_header(api, output_dir):
header_file_path = include_gen_folder / header_filename
header_guard = "GODOT_CPP_VERSION_HPP"
header.append(f"#ifndef {header_guard}")
header.append(f"#define {header_guard}")
header.append("#pragma once")
header.append("")
header.append(f"#define GODOT_VERSION_MAJOR {api['header']['version_major']}")
@@ -2105,8 +2066,6 @@ def generate_version_header(api, output_dir):
header.append(f"#define GODOT_VERSION_STATUS \"{api['header']['version_status']}\"")
header.append(f"#define GODOT_VERSION_BUILD \"{api['header']['version_build']}\"")
header.append("")
header.append(f"#endif // {header_guard}")
header.append("")
with header_file_path.open("w+", encoding="utf-8") as header_file:
@@ -2127,9 +2086,7 @@ def generate_global_constant_binds(api, output_dir):
header_filename = include_gen_folder / "global_constants_binds.hpp"
header_guard = "GODOT_CPP_GLOBAL_CONSTANTS_BINDS_HPP"
header.append(f"#ifndef {header_guard}")
header.append(f"#define {header_guard}")
header.append("#pragma once")
header.append("")
header.append("#include <godot_cpp/classes/global_constants.hpp>")
header.append("")
@@ -2148,8 +2105,6 @@ def generate_global_constant_binds(api, output_dir):
header.append("")
header.append(f"#endif // ! {header_guard}")
with header_filename.open("w+", encoding="utf-8") as header_file:
header_file.write("\n".join(header))
@@ -2168,9 +2123,7 @@ def generate_utility_functions(api, output_dir):
header_filename = include_gen_folder / "utility_functions.hpp"
header_guard = "GODOT_CPP_UTILITY_FUNCTIONS_HPP"
header.append(f"#ifndef {header_guard}")
header.append(f"#define {header_guard}")
header.append("#pragma once")
header.append("")
header.append("#include <godot_cpp/variant/builtin_types.hpp>")
header.append("#include <godot_cpp/variant/variant.hpp>")
@@ -2209,7 +2162,6 @@ def generate_utility_functions(api, output_dir):
header.append("")
header.append("} // namespace godot")
header.append("")
header.append(f"#endif // ! {header_guard}")
with header_filename.open("w+", encoding="utf-8") as header_file:
header_file.write("\n".join(header))

131
misc/scripts/header_guards.py
View File

@@ -2,121 +2,82 @@
# -*- coding: utf-8 -*-
import sys
from pathlib import Path
if len(sys.argv) < 2:
print("Invalid usage of header_guards.py, it should be called with a path to one or multiple files.")
sys.exit(1)
HEADER_CHECK_OFFSET = 30
HEADER_BEGIN_OFFSET = 31
HEADER_END_OFFSET = -1
changed = []
invalid = []
for file in sys.argv[1:]:
with open(file, "rt", encoding="utf-8", newline="\n") as f:
header_start = -1
header_end = -1
with open(file.strip(), "rt", encoding="utf-8", newline="\n") as f:
lines = f.readlines()
if len(lines) <= HEADER_BEGIN_OFFSET:
continue # Most likely a dummy file.
for idx, line in enumerate(lines):
sline = line.strip()
if lines[HEADER_CHECK_OFFSET].startswith("#import"):
continue # Early catch obj-c file.
if header_start < 0:
if sline == "": # Skip empty lines at the top.
continue
name = f"GODOT_{Path(file).name}".upper().replace(".", "_").replace("-", "_").replace(" ", "_")
if sline.startswith("/**********"): # Godot header starts this way.
header_start = idx
else:
header_end = 0 # There is no Godot header.
break
else:
if not sline.startswith(("*", "/*")): # Not in the Godot header anymore.
header_end = idx + 1 # The guard should be two lines below the Godot header.
break
HEADER_CHECK = f"#ifndef {name}\n"
HEADER_BEGIN = f"#define {name}\n"
HEADER_END = f"#endif // {name}\n"
if (
lines[HEADER_CHECK_OFFSET] == HEADER_CHECK
and lines[HEADER_BEGIN_OFFSET] == HEADER_BEGIN
and lines[HEADER_END_OFFSET] == HEADER_END
):
if (HEADER_CHECK_OFFSET := header_end) < 0 or HEADER_CHECK_OFFSET >= len(lines):
invalid.append(file)
continue
if lines[HEADER_CHECK_OFFSET].startswith("#pragma once"):
continue
# Might be using legacy header guards.
HEADER_BEGIN_OFFSET = HEADER_CHECK_OFFSET + 1
HEADER_END_OFFSET = len(lines) - 1
if HEADER_BEGIN_OFFSET >= HEADER_END_OFFSET:
invalid.append(file)
continue
# Guards might exist but with the wrong names.
if (
lines[HEADER_CHECK_OFFSET].startswith("#ifndef")
and lines[HEADER_BEGIN_OFFSET].startswith("#define")
and lines[HEADER_END_OFFSET].startswith("#endif")
):
lines[HEADER_CHECK_OFFSET] = HEADER_CHECK
lines[HEADER_BEGIN_OFFSET] = HEADER_BEGIN
lines[HEADER_END_OFFSET] = HEADER_END
lines[HEADER_CHECK_OFFSET] = "#pragma once"
lines[HEADER_BEGIN_OFFSET] = "\n"
lines.pop()
with open(file, "wt", encoding="utf-8", newline="\n") as f:
f.writelines(lines)
changed.append(file)
continue
header_check = -1
header_begin = -1
header_end = -1
pragma_once = -1
objc = False
for idx, line in enumerate(lines):
if not line.startswith("#"):
continue
elif line.startswith("#ifndef") and header_check == -1:
header_check = idx
elif line.startswith("#define") and header_begin == -1:
header_begin = idx
elif line.startswith("#endif") and header_end == -1:
header_end = idx
elif line.startswith("#pragma once"):
pragma_once = idx
break
elif line.startswith("#import"):
objc = True
# Verify `#pragma once` doesn't exist at invalid location.
misplaced = False
for line in lines:
if line.startswith("#pragma once"):
misplaced = True
break
if objc:
if misplaced:
invalid.append(file)
continue
if pragma_once != -1:
lines.pop(pragma_once)
lines.insert(HEADER_CHECK_OFFSET, HEADER_CHECK)
lines.insert(HEADER_BEGIN_OFFSET, HEADER_BEGIN)
lines.append("\n")
lines.append(HEADER_END)
with open(file, "wt", encoding="utf-8", newline="\n") as f:
f.writelines(lines)
changed.append(file)
continue
if header_check == -1 and header_begin == -1 and header_end == -1:
# Guards simply didn't exist
lines.insert(HEADER_CHECK_OFFSET, HEADER_CHECK)
lines.insert(HEADER_BEGIN_OFFSET, HEADER_BEGIN)
lines.append("\n")
lines.append(HEADER_END)
with open(file, "wt", encoding="utf-8", newline="\n") as f:
f.writelines(lines)
changed.append(file)
continue
if header_check != -1 and header_begin != -1 and header_end != -1:
# All prepends "found", see if we can salvage this.
if header_check == header_begin - 1 and header_begin < header_end:
lines.pop(header_check)
lines.pop(header_begin - 1)
lines.pop(header_end - 2)
if lines[header_end - 3] == "\n":
lines.pop(header_end - 3)
lines.insert(HEADER_CHECK_OFFSET, HEADER_CHECK)
lines.insert(HEADER_BEGIN_OFFSET, HEADER_BEGIN)
lines.append("\n")
lines.append(HEADER_END)
with open(file, "wt", encoding="utf-8", newline="\n") as f:
f.writelines(lines)
changed.append(file)
continue
invalid.append(file)
# Assume that we're simply missing a guard entirely.
lines.insert(HEADER_CHECK_OFFSET, "#pragma once\n\n")
with open(file, "wt", encoding="utf-8", newline="\n") as f:
f.writelines(lines)
changed.append(file)
if changed:
for file in changed: