don't know

Merge branch 'master' of github.com:redpony/cdec

2 files changed, 2465 insertions, 3186 deletions

diff --git a/python/src/sa/_sa.c b/python/src/sa/_sa.c
index dd5ac0f5..15544970 100644
--- a/python/src/sa/_sa.c
+++ b/python/src/sa/_sa.c
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.17.1 on Fri Jan  4 23:03:37 2013 */
+/* Generated by Cython 0.17.1 on Mon Jan  7 22:31:38 2013 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -603,12 +603,12 @@ struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr {
 };
 
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2033
+/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":1992
  * 
  *     # Create a rule from source, target, non-terminals, and alignments
  *     def form_rule(self, f_i, e_i, f_span, e_span, nt, al):             # <<<<<<<<<<<<<<
  * 
- *         # Handle non-terminals
+ *         # Substitute in non-terminals
  */
 struct __pyx_obj_3_sa___pyx_scope_struct_21_form_rule {
   PyObject_HEAD
@@ -665,11 +665,11 @@ struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr {
 };
 
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2090
+/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2053
  *         f = Phrase(f_sym)
  *         e = Phrase(e_sym)
  *         a = tuple(self.alignment.link(i, j) for (i, j) in links)             # <<<<<<<<<<<<<<
- *         return (f, e, a, f_link_min, f_link_max)
+ *         return (f, e, a, lex_f_i, lex_f_j)
  * 
  */
 struct __pyx_obj_3_sa___pyx_scope_struct_22_genexpr {
@@ -1010,7 +1010,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ {
 };
 
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2094
+/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2057
  * 
  *     # Rule string from rule
  *     def fmt_rule(self, f, e, a):             # <<<<<<<<<<<<<<
@@ -1024,7 +1024,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_23_fmt_rule {
 };
 
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2095
+/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2058
  *     # Rule string from rule
  *     def fmt_rule(self, f, e, a):
  *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)             # <<<<<<<<<<<<<<
@@ -56903,46 +56903,46 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_12add_instance_1extract
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@@ -56980,12 +56980,12 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_12add_instance_1extract
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 }
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":1860
- *         # Extract all possible hierarchical phrases starting at a source index
+/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":1861
  *         # f_ i and j are current, e_ i and j are previous
+ *         # We care _considering_ f_j, so it is not yet in counts
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- *             if wc + len(nt) > self.max_length or (f_j + 1) > f_len or \
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
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-  int __pyx_t_7;
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":1862
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+  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2019; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2090
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+ *         return (f, e, a, lex_f_i, lex_f_j)
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+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_9form_rule_4generator14, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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 }
 
-/* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2033
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+  PyObject *__pyx_v_lex_f_j = NULL;
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2037
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2116
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2117
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-            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2122
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2102
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-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2103
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+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_23_fmt_rule) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_24_genexpr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2095; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_24_genexpr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2058; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_24_genexpr = &__pyx_type_3_sa___pyx_scope_struct_24_genexpr;
   if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_25___iter__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_25___iter__ = &__pyx_type_3_sa___pyx_scope_struct_25___iter__;
@@ -79367,40 +78658,40 @@ PyMODINIT_FUNC PyInit__sa(void)
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2125
+  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2088
  * 
  * # Spans are _inclusive_ on both ends [i, j]
  * def span_check(vec, i, j):             # <<<<<<<<<<<<<<
  *     k = i
  *     while k <= j:
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_13span_check, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_13span_check, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_check, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_check, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2133
+  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2096
  *     return True
  * 
  * def span_inc(vec, i, j):             # <<<<<<<<<<<<<<
  *     k = i
  *     while k <= j:
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_15span_inc, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_15span_inc, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_inc, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_inc, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2139
+  /* "/home/m/workspace/cdec/python/src/sa/rulefactory.pxi":2102
  *         k += 1
  * 
  * def span_dec(vec, i, j):             # <<<<<<<<<<<<<<
  *     k = i
  *     while k <= j:
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_17span_dec, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_17span_dec, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_dec, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_dec, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
   /* "/home/m/workspace/cdec/python/src/sa/features.pxi":1
diff --git a/python/src/sa/rulefactory.pxi b/python/src/sa/rulefactory.pxi
index 2bc65da2..b10d25dd 100644
--- a/python/src/sa/rulefactory.pxi
+++ b/python/src/sa/rulefactory.pxi
@@ -1840,8 +1840,8 @@ cdef class HieroCachingRuleFactory:
 
         # Pre-compute alignment info
         al = [[] for i in range(f_len)]
-        fe_span = [[f_len + 1, -1] for i in range(f_len)]
-        ef_span = [[e_len + 1, -1] for i in range(e_len)]
+        fe_span = [[e_len + 1, -1] for i in range(f_len)]
+        ef_span = [[f_len + 1, -1] for i in range(e_len)]
         for (f, e) in alignment:
             al[f].append(e)
             fe_span[f][0] = min(fe_span[f][0], e)
@@ -1857,10 +1857,10 @@ cdef class HieroCachingRuleFactory:
         
         # Extract all possible hierarchical phrases starting at a source index
         # f_ i and j are current, e_ i and j are previous
+        # We care _considering_ f_j, so it is not yet in counts
         def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):
             # Phrase extraction limits
-            if wc + len(nt) > self.max_length or f_j > (f_len - 1) or \
-                    (f_j - f_i) + 1 > self.max_initial_size:
+            if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
                 return
             # Unaligned word
             if not al[f_j]:
@@ -1870,7 +1870,8 @@ cdef class HieroCachingRuleFactory:
                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)
                     nt[-1][2] -= 1
                 # Unless non-terminal already open, always extend with word
-                if not nt_open:
+                # Make sure adding a word doesn't exceed length
+                if not nt_open and wc < self.max_length:
                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc + 1, links, nt, False)
                 return
             # Aligned word
@@ -1881,11 +1882,8 @@ cdef class HieroCachingRuleFactory:
             # Check reverse links of newly covered words to see if they violate left
             # bound (return) or extend minimum right bound for chunk
             new_min_bound = min_bound
-            #new_min_nt_bound = min_nt_bound
-            # violates_nt = False 
             # First aligned word creates span
-            # TODO: NO bound
-            if e_j == -1:
+            if e_j == -1: 
                 for i from new_e_i <= i <= new_e_j:
                     if ef_span[i][0] < f_i:
                         return
@@ -1908,15 +1906,14 @@ cdef class HieroCachingRuleFactory:
                         nt_collision = True
                 # Non-terminal collisions block word extraction and extension, but
                 # may be okay for continuing non-terminals
-                if not nt_collision:
+                if not nt_collision and wc < self.max_length:
                     plus_links = []
                     for link in al[f_j]:
                         plus_links.append((f_j, link))
                         cover[link] += 1
                     links.append(plus_links)
-                    if links:
-                        if f_j >= new_min_bound:
-                            rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                    if links and f_j >= new_min_bound:
+                        rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
                     links.pop()
                     for link in al[f_j]:
@@ -1940,9 +1937,8 @@ cdef class HieroCachingRuleFactory:
                     span_inc(cover, nt[-1][4] + 1, link_j)
                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
                     nt[-1][4] = link_j
-                if links:
-                    if f_j >= new_min_bound:
-                        rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                if links and f_j >= new_min_bound:
+                    rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
                 nt[-1] = old_last_nt
                 if link_i < nt[-1][3]:
@@ -1952,7 +1948,7 @@ cdef class HieroCachingRuleFactory:
                     span_dec(cover, nt[-1][4] + 1, link_j)
                     span_dec(e_nt_cover, nt[-1][4] + 1, link_j)
             # Try to start a new non-terminal, extract, extend
-            if (not nt or f_j - nt[-1][2] > 1) and len(nt) < self.max_nonterminals:
+            if (not nt or f_j - nt[-1][2] > 1) and wc < self.max_length and len(nt) < self.max_nonterminals:
                 # Check for collisions
                 if not span_check(cover, link_i, link_j):
                     return
@@ -1960,26 +1956,19 @@ cdef class HieroCachingRuleFactory:
                 span_inc(e_nt_cover, link_i, link_j)
                 nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])
                 # Require at least one word in phrase
-                if links:
-                    if f_j >= new_min_bound:
-                        rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
-                extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+                if links and f_j >= new_min_bound:
+                    rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
                 nt.pop()
                 span_dec(cover, link_i, link_j)
                 span_dec(e_nt_cover, link_i, link_j)
 
         # Try to extract phrases from every f index
-        f_i = 0
-        while f_i < f_len:
+        for f_i from 0 <= f_i < f_len:
             # Skip if phrases won't be tight on left side
             if not al[f_i]:
-                f_i += 1
                 continue
-            extract(f_i, f_i, f_len + 1, -1, f_i, 1, [], [], False)
-            f_i += 1
-
-        for rule in sorted(rules):
-            logger.info(self.fmt_rule(*rule[:3]))
+            extract(f_i, f_i, f_len + 1, -1, f_i, 0, [], [], False)
         
         # Update phrase counts
         for rule in rules:
@@ -2062,7 +2051,6 @@ cdef class HieroCachingRuleFactory:
         f = Phrase(f_sym)
         e = Phrase(e_sym)
         a = tuple(self.alignment.link(i, j) for (i, j) in links)
-        print 'New rule:', self.fmt_rule(f, e, a)
         return (f, e, a, lex_f_i, lex_f_j)
 
     # Rule string from rule