refactor(*): add file constants.txt with all constants used by the Lean binary

script/gen_constants_cpp.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2015 Microsoft Corporation. All rights reserved.
+# Released under Apache 2.0 license as described in the file LICENSE.
+#
+# Author: Leonardo de Moura
+#
+# Given a text file containing constants defined in the Lean libraries,
+# this script generates .h and .cpp files for initialing/finalizing theses constants
+# as C++ name objects.
+#
+# This script is used to generate src/library/constants.cpp and src/library/constants.h
+import sys
+import os
+
+def error(msg):
+    print("Error: %s" % msg)
+    exit(1)
+
+def to_c_const(s):
+    out = ""
+    for c in s:
+        if c == '.' or c == '_':
+            out += '_'
+        elif c.isalpha() or c.isdigit():
+            out += c
+        else:
+            error("unsupported character in constant: %s" % s)
+    return out
+
+def main(argv=None):
+    if argv is None:
+        argv = sys.argv[1:]
+    infile        = argv[0]
+    basename, ext = os.path.splitext(infile)
+    cppfile       = basename + ".cpp"
+    hfile         = basename + ".h"
+    constants     = []
+    with open(infile, 'r') as f:
+        for line in f:
+            constants.append([to_c_const(line.strip()), line.strip()])
+    with open(hfile, 'w') as f:
+        f.write('// Copyright (c) 2015 Microsoft Corporation. All rights reserved.\n')
+        f.write('// Released under Apache 2.0 license as described in the file LICENSE.\n')
+        f.write('// DO NOT EDIT, automatically generated file, generator scripts/gen_constants_cpp.py\n')
+        f.write('#include "util/name.h"\n')
+        f.write('namespace lean {\n')
+        f.write('void initialize_constants();\n')
+        f.write('void finalize_constants();\n')
+        for c in constants:
+            f.write('name const & get_%s_name();\n' % c[0])
+        f.write('}\n')
+    with open(cppfile, 'w') as f:
+        f.write('// Copyright (c) 2015 Microsoft Corporation. All rights reserved.\n')
+        f.write('// Released under Apache 2.0 license as described in the file LICENSE.\n')
+        f.write('// DO NOT EDIT, automatically generated file, generator scripts/gen_constants_cpp.py\n')
+        f.write('#include "util/name.h"\n')
+        f.write('namespace lean{\n')
+        # declare constants
+        for c in constants:
+            f.write('name const * g_%s = nullptr;\n' % c[0])
+        # initialize constants
+        f.write('void initialize_constants() {\n')
+        for c in constants:
+            f.write('    g_%s = new name{' % c[0])
+            first = True
+            for part in c[1].split('.'):
+                if not first:
+                    f.write(", ")
+                f.write('"%s"' % part)
+                first = False
+            f.write('};\n')
+        f.write('}\n')
+        # finalize constants
+        f.write('void finalize_constants() {\n')
+        for c in constants:
+            f.write('    delete g_%s;\n' % c[0])
+        f.write('}\n')
+        # get methods
+        for c in constants:
+            f.write('name const & get_%s_name() { return *g_%s; }\n' % (c[0], c[0]))
+        # end namespace
+        f.write('}\n')
+    print("done")
+    return 0
+
+if __name__ == "__main__":
+    sys.exit(main())