Dery Almas
e4dcf1d852
This method is used to generate headers for embedding files into the binary (think about the new `#embed` feature in C23 and C++26). While the stringification step itself was plenty fast, it then proceeded to wrap everything using the `textwrap` module. `textwrap` is *very* slow, as it's apparently optimized for human text. This patch reimplements the wrapping logic using a simple regex, resulting in a tremendous speed improvement (~6x), and switches to `map` for the stringification itself (thanks Rémi!) It also removes a (practically) unused argument, `initial_indent`. The generated files are pretty much the same, with a tiny difference in line length (for some reason the old logic overshot the requested line length)
45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
import methods
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def run(target, source, env):
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buffer = methods.get_buffer(str(source[0]))
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decomp_size = len(buffer)
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buffer = methods.compress_buffer(buffer)
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with methods.generated_wrapper(str(target[0])) as file:
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file.write(f"""\
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#ifdef TOOLS_ENABLED
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#include "core/io/compression.h"
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#include "core/io/file_access.h"
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#include "core/string/ustring.h"
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inline constexpr int _gdextension_interface_data_compressed_size = {len(buffer)};
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inline constexpr int _gdextension_interface_data_uncompressed_size = {decomp_size};
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inline constexpr unsigned char _gdextension_interface_data_compressed[] = {{
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{methods.format_buffer(buffer, 1)}
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}};
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class GDExtensionInterfaceDump {{
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public:
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static Vector<uint8_t> load_gdextension_interface_file() {{
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Vector<uint8_t> data;
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data.resize(_gdextension_interface_data_uncompressed_size);
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int ret = Compression::decompress(data.ptrw(), _gdextension_interface_data_uncompressed_size, _gdextension_interface_data_compressed, _gdextension_interface_data_compressed_size, Compression::MODE_DEFLATE);
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ERR_FAIL_COND_V_MSG(ret == -1, Vector<uint8_t>(), "Compressed file is corrupt.");
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return data;
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}}
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static void generate_gdextension_interface_file(const String &p_path) {{
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Ref<FileAccess> fa = FileAccess::open(p_path, FileAccess::WRITE);
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ERR_FAIL_COND_MSG(fa.is_null(), vformat("Cannot open file '%s' for writing.", p_path));
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Vector<uint8_t> data = load_gdextension_interface_file();
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if (data.size() > 0) {{
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fa->store_buffer(data.ptr(), data.size());
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}}
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}}
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}};
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#endif // TOOLS_ENABLED
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""")
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