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1 // Copyright 2010 Wincent Colaiuta. All rights reserved.
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are met:
5 //
6 // 1. Redistributions of source code must retain the above copyright notice,
7 // this list of conditions and the following disclaimer.
8 // 2. Redistributions in binary form must reproduce the above copyright notice,
9 // this list of conditions and the following disclaimer in the documentation
10 // and/or other materials provided with the distribution.
11 //
12 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
13 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
16 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
17 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
18 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
19 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
20 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
21 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
22 // POSSIBILITY OF SUCH DAMAGE.
23
24 #include <ruby.h>
25
26 extern VALUE mCommandT; // module CommandT
27 extern VALUE cCommandTMatch; // class CommandT::Match
28 extern VALUE cCommandTMatcher; // class CommandT::Matcher
29
30 // Encapsulates common pattern of checking for an option in an optional
31 // options hash. The hash itself may be nil, but an exception will be
32 // raised if it is not nil and not a hash.
33 VALUE CommandT_option_from_hash(const char *option, VALUE hash);
34
35 // Debugging macro.
36 #define ruby_inspect(obj) rb_funcall(rb_mKernel, rb_intern("p"), 1, obj)