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Contents
require 'spec_helper'
module GrammarCompositionSpec
describe "several composed grammars" do
before do
dir = File.dirname(__FILE__)
Treetop.load File.join(dir, 'a')
Treetop.load File.join(dir, 'b')
Treetop.load File.join(dir, 'c')
# Check that polyglot finds d.treetop and loads it:
$: << dir
require 'd'
@c = ::Test::CParser.new
@d = ::Test::DParser.new
end
specify "rules in C have access to rules defined in A and B" do
@c.parse('abbc').should_not be_nil
end
specify "rules in C can override rules in A and B with super semantics" do
@d.parse('superkeywordworks').should_not be_nil
end
end
describe "composed grammar chaining with require" do
before do
# Load f with polyglot without using the load path:
require File.dirname(__FILE__) + '/f'
@f = ::Test::FParser.new
end
specify "rules in F have access to rule defined in E" do
@f.parse('abbcef').should_not be_nil
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems