зеркало из https://github.com/github/ruby.git
53 строки
1.6 KiB
Ruby
53 строки
1.6 KiB
Ruby
require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
|
|
|
|
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
|