diff options
Diffstat (limited to 'intersect.rb')
| -rw-r--r-- | intersect.rb | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/intersect.rb b/intersect.rb index e4db7eb..fa4a3bd 100644 --- a/intersect.rb +++ b/intersect.rb @@ -19,8 +19,8 @@ class Chart @m[i][j] end - def add r, i, j, right, dot=0 - item = Item.new(r) + def add rule_or_item, i, j, right, dot=0 + item = Item.new(rule_or_item) item.span.left = i item.span.right = right item.dot = dot @@ -111,9 +111,9 @@ def scan item, passive_chart, input end end -def parse i, j, sz, active_chart, passive_chart, input - active_chart.at(i,j).each_with_index { |active_item,z| - 1.upto(sz) { |span| +def parse i, j, n, active_chart, passive_chart, input + active_chart.at(i,j).each { |active_item| + 1.upto(n) { |span| break if span==(j-i) i.upto(j-span) { |k| passive_chart.at(k, k+span).each { |passive_item| @@ -126,12 +126,14 @@ def parse i, j, sz, active_chart, passive_chart, input if new_item.dot == new_item.rhs.size passive_chart.at(i,j) << new_item if new_item.span.left==i&&new_item.span.right==j else - active_chart.at(i,j) << new_item + # item is dead unless it has an NT to fill + active_chart.at(i,j) << new_item if new_item.span.left==i&&new_item.rhs[new_item.dot].class==NT end end } } } + true } # self-filling to_add_active = [] @@ -163,14 +165,14 @@ end def main #input = preprocess 'ich sah ein kleines haus' - #input = preprocess 'lebensmittel schuld an europäischer inflation' - input = preprocess 'offizielle sind von nur' # 3 prozent' # ausgegangen , meldete bloomberg .' + input = preprocess 'lebensmittel schuld an europäischer inflation' + #input = preprocess 'offizielle prognosen sind von nur 3 prozent ausgegangen , meldete bloomberg .' n = input.size puts 'reading grammar' #g = Grammar.new 'example/grammar' - #g = Grammar.new 'example/grammar.x' - g = Grammar.new 'example/grammar.3.gz' # 4th segment of newstest2008 + g = Grammar.new 'example/grammar.x' + #g = Grammar.new 'example/grammar.3.gz' # 4th segment of newstest2008 puts 'adding glue rules' g.add_glue_rules @@ -183,9 +185,6 @@ def main active_chart = Chart.new n init active_chart, passive_chart, g, input, n - active_chart.at(0, 1).each_with_index { |i,x| puts "#{x}. #{i.to_s}" } - puts passive_chart.at(0,1).size - puts 'parsing' visit(n, n, 1) { |i,j| STDERR.write " span (#{i}, #{j})\n" |