1 files changed, 100 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/dist/prototypes.py b/src/third_party/wiredtiger/dist/prototypes.py
new file mode 100644
index 00000000000..c2d67a1585b
--- /dev/null
+++ b/src/third_party/wiredtiger/dist/prototypes.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python
+
+# Generate WiredTiger function prototypes.
+import fnmatch, re
+from dist import compare_srcfile, source_files
+
+# Build function prototypes from a list of files.
+def prototypes(list, name):
+    s = open(name, 'r').read()
+    for p in re.findall(r'\n[A-Za-z_].*\n__wt_[^{]*', s):
+        l = p.strip()
+
+        # Ignore statics in XXX.c files.
+        if fnmatch.fnmatch(name, "*.c") and 'static' in l:
+                continue
+
+        # Join the first two lines, type and function name.
+        l = l.replace("\n", " ", 1)
+
+        # If there's no CPP syntax, join everything.
+        if not '#endif' in l:
+            l = " ".join(l.split())
+
+        # If it's not an inline function, prefix with "extern".
+        if not 'inline' in l:
+                l = 'extern ' + l
+
+        # Switch to the include file version of any gcc attributes.
+        l = l.replace("WT_GCC_FUNC_ATTRIBUTE", "WT_GCC_FUNC_DECL_ATTRIBUTE")
+
+        # Everything but void requires using any return value.
+        if not re.match(r'(static inline|extern) void', l):
+                l = l + " WT_GCC_FUNC_DECL_ATTRIBUTE((warn_unused_result))"
+
+        # If a line ends in #endif, appending a semicolon results in an illegal
+        # expression, force an appended newline.
+        if re.match(r'#endif$', l):
+            l = l + '\n'
+
+        # Add the trailing semi-colon.
+        list.append(l + ';\n')
+
+# Write results and compare to the current file.
+def output(p, f):
+    tmp_file = '__tmp'
+    tfile = open(tmp_file, 'w')
+    for e in sorted(list(set(p))):
+        tfile.write(e)
+    tfile.close()
+    compare_srcfile(tmp_file, f)
+
+# Update generic function prototypes.
+def prototypes_extern():
+    p = []
+    for name in source_files():
+        if not fnmatch.fnmatch(name, '*.[ci]'):
+                continue;
+        if fnmatch.fnmatch(name, '*/checksum/arm64/*'):
+            continue
+        if fnmatch.fnmatch(name, '*/checksum/power8/*'):
+            continue
+        if fnmatch.fnmatch(name, '*/checksum/zseries/*'):
+            continue
+        if fnmatch.fnmatch(name, '*/os_posix/*'):
+            continue
+        if fnmatch.fnmatch(name, '*/os_win/*'):
+            continue
+        if fnmatch.fnmatch(name, '*/ext/*'):
+            continue
+        prototypes(p, name)
+
+    output(p, "../src/include/extern.h")
+
+# Update POSIX-specific function prototypes.
+def prototypes_posix():
+    p = []
+    for name in source_files():
+        if not fnmatch.fnmatch(name, '*.[ci]'):
+                continue;
+        if not fnmatch.fnmatch(name, '*/os_posix/*'):
+            continue
+        prototypes(p, name)
+
+    output(p, "../src/include/extern_posix.h")
+
+# Update Windows-specific function prototypes.
+def prototypes_win():
+    p = []
+    for name in source_files():
+        if not fnmatch.fnmatch(name, '*.[ci]'):
+                continue;
+        if not fnmatch.fnmatch(name, '*/os_win/*'):
+            continue
+        prototypes(p, name)
+
+    output(p, "../src/include/extern_win.h")
+
+prototypes_extern()
+prototypes_posix()
+prototypes_win()