1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
require File.expand_path(File.join(__dir__, 'case'))
module Racc
class TestChkY < TestCase
def setup
super
file = File.join(ASSET_DIR, 'chk.y')
@debug_flags = Racc::DebugFlags.parse_option_string('o')
parser = Racc::GrammarFileParser.new(@debug_flags)
@result = parser.parse(File.read(file), File.basename(file))
@states = Racc::States.new(@result.grammar).nfa
@states.dfa
end
def test_compile_chk_y
generator = Racc::ParserFileGenerator.new(@states, @result.params.dup)
# it generates valid ruby
assert Module.new {
self.instance_eval(generator.generate_parser, __FILE__, __LINE__)
}
grammar = @states.grammar
assert_equal 0, @states.n_srconflicts
assert_equal 0, @states.n_rrconflicts
assert_equal 0, grammar.n_useless_nonterminals
assert_equal 0, grammar.n_useless_rules
assert_nil grammar.n_expected_srconflicts
end
def test_compile_chk_y_line_convert
params = @result.params.dup
params.convert_line_all = true
generator = Racc::ParserFileGenerator.new(@states, @result.params.dup)
# it generates valid ruby
assert Module.new {
self.instance_eval(generator.generate_parser, __FILE__, __LINE__)
}
grammar = @states.grammar
assert_equal 0, @states.n_srconflicts
assert_equal 0, @states.n_rrconflicts
assert_equal 0, grammar.n_useless_nonterminals
assert_equal 0, grammar.n_useless_rules
assert_nil grammar.n_expected_srconflicts
end
end
end
|
