1 files changed, 112 insertions, 0 deletions
diff --git a/JavaScriptCore/create_regex_tables b/JavaScriptCore/create_regex_tables
new file mode 100644
index 0000000..b436eee
--- /dev/null
+++ b/JavaScriptCore/create_regex_tables
@@ -0,0 +1,112 @@
+# Copyright (C) 2010 Apple Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+types = {
+    "wordchar": { "UseTable" : True, "data": ['_', ('0','9'), ('A', 'Z'), ('a','z')]},
+    "nonwordchar": { "UseTable" : True, "Inverse": "wordchar", "data": ['`', (0, ord('0') - 1), (ord('9') + 1, ord('A') - 1), (ord('Z') + 1, ord('_') - 1), (ord('z') + 1, 0xffff)]},
+    "newline": { "UseTable" : False, "data": ['\n', '\r', 0x2028, 0x2029]},
+    "spaces": { "UseTable" : True, "data": [' ', ('\t', '\r'), 0xa0, 0x1680, 0x180e, 0x2028, 0x2029, 0x202f, 0x205f, 0x3000, (0x2000, 0x200a)]},
+    "nonspaces": { "UseTable" : True, "Inverse": "spaces", "data": [(0, ord('\t') - 1), (ord('\r') + 1, ord(' ') - 1), (ord(' ') + 1, 0x009f), (0x00a1, 0x167f), (0x1681, 0x180d), (0x180f, 0x1fff), (0x200b, 0x2027), (0x202a, 0x202e), (0x2030, 0x205e), (0x2060, 0x2fff), (0x3001, 0xffff)]},
+    "digits": { "UseTable" : False, "data": [('0', '9')]},
+    "nondigits": { "UseTable" : False, "Inverse": "digits", "data": [(0, ord('0') - 1), (ord('9') + 1, 0xffff)] }
+}
+entriesPerLine = 50
+arrays = "";
+functions = "";
+
+for name, classes in types.items():
+    ranges = [];
+    size = 0;
+    for _class in classes["data"]:
+        if type(_class) == str:
+            ranges.append((ord(_class), ord(_class)))
+        elif type(_class) == int:
+            ranges.append((_class, _class))
+        else:
+            (min, max) = _class;
+            if type(min) == str:
+                min = ord(min)
+            if type(max) == str:
+                max = ord(max)
+            if max > 0x7f and min <= 0x7f:
+                ranges.append((min, 0x7f))
+                min = 0x80
+            ranges.append((min,max))
+    ranges.sort();
+    
+    if classes["UseTable"] and (not "Inverse" in classes):
+        array = ("static const char _%sData[65536] = {\n" % name);
+        i = 0
+        for (min,max) in ranges:
+            while i < min:
+                i = i + 1
+                array += ('0,')
+                if (i % entriesPerLine == 0) and (i != 0):
+                    array += ('\n')
+            while i <= max:
+                i = i + 1
+                if (i == 65536):
+                    array += ("1")
+                else:
+                    array += ('1,')
+                if (i % entriesPerLine == 0) and (i != 0):
+                    array += ('\n')
+        while i < 0xffff:
+            array += ("0,")
+            i = i + 1;
+            if (i % entriesPerLine == 0) and (i != 0):
+                array += ('\n')
+        if i == 0xffff:
+            array += ("0")
+        array += ("\n};\n\n");
+        arrays += array
+    
+    # Generate createFunction:
+    function = "";
+    function += ("CharacterClass* %sCreate()\n" % name)
+    function += ("{\n")
+    if classes["UseTable"]:
+        if "Inverse" in classes:
+            function += ("    CharacterClass* characterClass = new CharacterClass(CharacterClassTable::create(_%sData, true));\n" % (classes["Inverse"]))
+        else:
+            function += ("    CharacterClass* characterClass = new CharacterClass(CharacterClassTable::create(_%sData, false));\n" % (name))
+    else:
+        function += ("    CharacterClass* characterClass = new CharacterClass(0);\n")
+    for (min, max) in ranges:
+        if (min == max):
+            if (min > 127):
+                function += ("    characterClass->m_matchesUnicode.append(0x%04x);\n" % min)
+            else:
+                function += ("    characterClass->m_matches.append(0x%02x);\n" % min)
+            continue
+        if (min > 127) or (max > 127):
+            function += ("    characterClass->m_rangesUnicode.append(CharacterRange(0x%04x, 0x%04x));\n" % (min, max))
+        else:
+            function += ("    characterClass->m_ranges.append(CharacterRange(0x%02x, 0x%02x));\n" % (min, max))
+    function += ("    return characterClass;\n")
+    function += ("}\n\n")
+    functions += function
+
+print(arrays)
+print(functions)
+