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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/style/tools
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/tools')
-rw-r--r--layout/style/tools/cleanup_computed_getters.py85
1 files changed, 85 insertions, 0 deletions
diff --git a/layout/style/tools/cleanup_computed_getters.py b/layout/style/tools/cleanup_computed_getters.py
new file mode 100644
index 0000000000..301986751e
--- /dev/null
+++ b/layout/style/tools/cleanup_computed_getters.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+"""
+Script to remove unused getters in nsComputedDOMStyle.
+
+It needs to be run from the topsrcdir, and it requires passing in the objdir
+as first argument. It can only be run after nsComputedDOMStyleGenerated.inc
+is generated in the objdir.
+"""
+
+import re
+import sys
+
+from pathlib import Path
+
+if len(sys.argv) != 2:
+ print("Usage: {} objdir".format(sys.argv[0]))
+ exit(1)
+
+generated = Path(sys.argv[1]) / "layout" / "style"
+generated = generated / "nsComputedDOMStyleGenerated.inc"
+RE_GENERATED = re.compile(r"DoGet\w+")
+keeping = set()
+with generated.open() as f:
+ for line in f:
+ m = RE_GENERATED.search(line)
+ if m is not None:
+ keeping.add(m.group(0))
+
+HEADER = "layout/style/nsComputedDOMStyle.h"
+SOURCE = "layout/style/nsComputedDOMStyle.cpp"
+
+# We need to keep functions invoked by others
+RE_DEF = re.compile(r"nsComputedDOMStyle::(DoGet\w+)\(\)")
+RE_SRC = re.compile(r"\b(DoGet\w+)\(\)")
+with open(SOURCE, "r") as f:
+ for line in f:
+ m = RE_DEF.search(line)
+ if m is not None:
+ continue
+ m = RE_SRC.search(line)
+ if m is not None:
+ keeping.add(m.group(1))
+
+removing = set()
+remaining_lines = []
+with open(HEADER, "r") as f:
+ for line in f:
+ m = RE_SRC.search(line)
+ if m is not None:
+ name = m.group(1)
+ if name not in keeping:
+ print("Removing " + name)
+ removing.add(name)
+ continue
+ remaining_lines.append(line)
+
+with open(HEADER, "w", newline="") as f:
+ f.writelines(remaining_lines)
+
+remaining_lines = []
+is_removing = False
+with open(SOURCE, "r") as f:
+ for line in f:
+ if is_removing:
+ if line == "}\n":
+ is_removing = False
+ continue
+ m = RE_DEF.search(line)
+ if m is not None:
+ name = m.group(1)
+ if name in removing:
+ remaining_lines.pop()
+ if remaining_lines[-1] == "\n":
+ remaining_lines.pop()
+ is_removing = True
+ continue
+ remaining_lines.append(line)
+
+with open(SOURCE, "w", newline="") as f:
+ f.writelines(remaining_lines)