1 files changed, 0 insertions, 164 deletions
diff --git a/src/grammar.cc b/src/grammar.cc
deleted file mode 100644
index e19bd344..00000000
--- a/src/grammar.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-#include "grammar.h"
-
-#include <algorithm>
-#include <utility>
-#include <map>
-
-#include "filelib.h"
-#include "tdict.h"
-
-using namespace std;
-
-const vector<TRulePtr> Grammar::NO_RULES;
-
-RuleBin::~RuleBin() {}
-GrammarIter::~GrammarIter() {}
-Grammar::~Grammar() {}
-
-bool Grammar::HasRuleForSpan(int i, int j, int distance) const {
-  (void) i;
-  (void) j;
-  (void) distance;
-  return true;  // always true by default
-}
-
-struct TextRuleBin : public RuleBin {
-  int GetNumRules() const {
-    return rules_.size();
-  }
-  TRulePtr GetIthRule(int i) const {
-    return rules_[i];
-  }
-  void AddRule(TRulePtr t) {
-    rules_.push_back(t);
-  }
-  int Arity() const {
-    return rules_.front()->Arity();
-  }
-  void Dump() const {
-    for (int i = 0; i < rules_.size(); ++i)
-      cerr << rules_[i]->AsString() << endl;
-  }
- private:
-  vector<TRulePtr> rules_;
-};
-
-struct TextGrammarNode : public GrammarIter {
-  TextGrammarNode() : rb_(NULL) {}
-  ~TextGrammarNode() {
-    delete rb_;
-  }
-  const GrammarIter* Extend(int symbol) const {
-    map<WordID, TextGrammarNode>::const_iterator i = tree_.find(symbol);
-    if (i == tree_.end()) return NULL;
-    return &i->second;
-  }
-
-  const RuleBin* GetRules() const {
-    if (rb_) {
-      //rb_->Dump();
-    }
-    return rb_;
-  }
-
-  map<WordID, TextGrammarNode> tree_;
-  TextRuleBin* rb_;
-};
-
-struct TGImpl {
-  TextGrammarNode root_;
-};
-
-TextGrammar::TextGrammar() : max_span_(10), pimpl_(new TGImpl) {}
-TextGrammar::TextGrammar(const string& file) : 
-    max_span_(10),
-    pimpl_(new TGImpl) {
-  ReadFromFile(file);
-}
-
-const GrammarIter* TextGrammar::GetRoot() const {
-  return &pimpl_->root_;
-}
-
-void TextGrammar::AddRule(const TRulePtr& rule) {
-  if (rule->IsUnary()) {
-    rhs2unaries_[rule->f().front()].push_back(rule);
-    unaries_.push_back(rule);
-  } else {
-    TextGrammarNode* cur = &pimpl_->root_;
-    for (int i = 0; i < rule->f_.size(); ++i)
-      cur = &cur->tree_[rule->f_[i]];
-    if (cur->rb_ == NULL)
-      cur->rb_ = new TextRuleBin;
-    cur->rb_->AddRule(rule);
-  }
-}
-
-void TextGrammar::ReadFromFile(const string& filename) {
-  ReadFile in(filename);
-  istream& in_file = *in.stream();
-  assert(in_file);
-  long long int rule_count = 0;
-  bool fl = false;
-  while(in_file) {
-    string line;
-    getline(in_file, line);
-    if (line.empty()) continue;
-    ++rule_count;
-    if (rule_count %   50000 == 0) { cerr << '.' << flush; fl = true; }
-    if (rule_count % 2000000 == 0) { cerr << " [" << rule_count << "]\n"; fl = false; }
-    TRulePtr rule(TRule::CreateRuleSynchronous(line));
-    if (rule) {
-      AddRule(rule);
-    } else {
-      if (fl) { cerr << endl; }
-      cerr << "Skipping badly formatted rule in line " << rule_count << " of " << filename << endl;
-      fl = false;
-    }
-  }
-  if (fl) cerr << endl;
-  cerr << "  " << rule_count << " rules read.\n";
-}
-
-bool TextGrammar::HasRuleForSpan(int i, int j, int distance) const {
-  return (max_span_ >= distance);
-}
-
-GlueGrammar::GlueGrammar(const string& file) : TextGrammar(file) {}
-
-GlueGrammar::GlueGrammar(const string& goal_nt, const string& default_nt) {
-  TRulePtr stop_glue(new TRule("[" + goal_nt + "] ||| [" + default_nt + ",1] ||| [" + default_nt + ",1]"));
-  TRulePtr glue(new TRule("[" + goal_nt + "] ||| [" + goal_nt + ",1] ["
-    + default_nt + ",2] ||| [" + goal_nt + ",1] [" + default_nt + ",2] ||| Glue=1"));
-
-  AddRule(stop_glue);
-  AddRule(glue);
-  //cerr << "GLUE: " << stop_glue->AsString() << endl;
-  //cerr << "GLUE: " << glue->AsString() << endl;
-}
-
-bool GlueGrammar::HasRuleForSpan(int i, int j, int distance) const {
-  (void) j;
-  return (i == 0);
-}
-
-PassThroughGrammar::PassThroughGrammar(const Lattice& input, const string& cat) :
-    has_rule_(input.size() + 1) {
-  for (int i = 0; i < input.size(); ++i) {
-    const vector<LatticeArc>& alts = input[i];
-    for (int k = 0; k < alts.size(); ++k) {
-      const int j = alts[k].dist2next + i;
-      has_rule_[i].insert(j);
-      const string& src = TD::Convert(alts[k].label);
-      TRulePtr pt(new TRule("[" + cat + "] ||| " + src + " ||| " + src + " ||| PassThrough=1"));
-      AddRule(pt);
-//      cerr << "PT: " << pt->AsString() << endl;
-    }
-  }
-}
-
-bool PassThroughGrammar::HasRuleForSpan(int i, int j, int distance) const {
-  const set<int>& hr = has_rule_[i];
-  if (i == j) { return !hr.empty(); }
-  return (hr.find(j) != hr.end());
-}