1 files changed, 55 insertions, 0 deletions
diff --git a/src/fluent-bit/lib/onigmo/win32/makedef.py b/src/fluent-bit/lib/onigmo/win32/makedef.py
new file mode 100755
index 000000000..38e8db494
--- /dev/null
+++ b/src/fluent-bit/lib/onigmo/win32/makedef.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+import re
+
+header_files = (
+    "onigmo.h", "regenc.h",
+    "onigmognu.h", "onigmoposix.h"
+)
+
+exclude_symbols = [
+    "OnigEncodingKOI8",
+
+    # USE_UPPER_CASE_TABLE
+    "OnigEncAsciiToUpperCaseTable",
+    "OnigEncISO_8859_1_ToUpperCaseTable",
+]
+
+features = {
+    "USE_VARIABLE_META_CHARS": ("onig_set_meta_char",),
+    "USE_CAPTURE_HISTORY": ("onig_get_capture_tree",)
+}
+
+for v in features.values():
+    exclude_symbols += list(v)
+
+# Check if the features are enabled
+with open("regint.h", "r") as f:
+    e = set()
+    for line in f:
+        for k, v in features.items():
+            if re.match(r"^#define\s+" + k + r"\b", line):
+                e |= set(v)
+    exclude_symbols = list(set(exclude_symbols) - e)
+
+symbols = set()
+
+rx1 = re.compile("(ONIG_EXTERN.*)$")
+rx2 = re.compile(r"(\w+)( +PV?_\(\(.*\)\)|\[.*\])?;\s*(/\*.*\*/)?$")
+for filename in header_files:
+    with open(filename, "r") as f:
+        for line in f:
+            m = rx1.match(line)
+            if not m:
+                continue
+            s = m.group(1)
+            if s[-1] != ';':
+                s += ' ' + next(f)
+            m2 = rx2.search(s)
+            if m2 and (not m2.group(1) in exclude_symbols):
+                symbols.add(m2.group(1))
+
+print('EXPORTS')
+for s in sorted(symbols):
+    print('\t' + s)