* Moving tokens to use an array internally, instead of a list of Lexeme objects.

spacy/en.pyx

@@ -41,6 +41,8 @@ from libc.stdlib cimport malloc, calloc, free
 from libc.stdint cimport uint64_t
 
 cimport lang
+from spacy.lexeme cimport lexeme_check_flag
+from spacy.lexeme cimport lexeme_string_view
 
 from spacy import util
 
@@ -127,88 +129,88 @@ cdef class EnglishTokens(Tokens):
     # Without these, clients have to use the underlying string_view and check_flag
     # methods, which requires them to know the IDs.
     cpdef unicode canon_string(self, size_t i):
-        return self.lexemes[i].string_view(View_CanonForm)
+        return lexeme_string_view(self.lexemes[i], View_CanonForm)
 
     cpdef unicode shape_string(self, size_t i):
-        return self.lexemes[i].string_view(View_WordShape)
+        return lexeme_string_view(self.lexemes[i], View_WordShape)
 
     cpdef unicode non_sparse_string(self, size_t i):
-        return self.lexemes[i].string_view(View_NonSparse)
+        return lexeme_string_view(self.lexemes[i], View_NonSparse)
 
     cpdef unicode asciied(self, size_t i):
-        return self.lexemes[i].string_views(View_Asciied)
+        return lexeme_check_flag(self.lexemes[i], View_Asciied)
     
     cpdef bint is_alpha(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsAlpha)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsAlpha)
 
     cpdef bint is_ascii(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsAscii)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsAscii)
 
     cpdef bint is_digit(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsDigit)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsDigit)
 
     cpdef bint is_lower(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsLower)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsLower)
 
     cpdef bint is_punct(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsPunct)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsPunct)
 
     cpdef bint is_space(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsSpace)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsSpace)
 
     cpdef bint is_title(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsTitle)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsTitle)
 
     cpdef bint is_upper(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_IsUpper)
+        return lexeme_check_flag(self.lexemes[i], Flag_IsUpper)
 
     cpdef bint can_adj(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanAdj)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanAdj)
 
     cpdef bint can_adp(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanAdp)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanAdp)
 
     cpdef bint can_adv(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanAdv)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanAdv)
 
     cpdef bint can_conj(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanConj)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanConj)
 
     cpdef bint can_det(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanDet)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanDet)
 
     cpdef bint can_noun(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanNoun)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanNoun)
 
     cpdef bint can_num(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanNum)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanNum)
 
     cpdef bint can_pdt(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanPdt)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanPdt)
 
     cpdef bint can_pos(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanPos)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanPos)
 
     cpdef bint can_pron(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanPron)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanPron)
 
     cpdef bint can_prt(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanPrt)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanPrt)
 
     cpdef bint can_punct(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanPunct)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanPunct)
 
     cpdef bint can_verb(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_CanVerb)
+        return lexeme_check_flag(self.lexemes[i], Flag_CanVerb)
 
     cpdef bint oft_lower(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_OftLower)
+        return lexeme_check_flag(self.lexemes[i], Flag_OftLower)
 
     cpdef bint oft_title(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_OftTitle)
+        return lexeme_check_flag(self.lexemes[i], Flag_OftTitle)
 
     cpdef bint oft_upper(self, size_t i):
-        return self.lexemes[i].check_flag(i, Flag_OftUpper)
+        return lexeme_check_flag(self.lexemes[i], Flag_OftUpper)
 
 
 cdef class English(Language):

spacy/lang.pyx

@@ -93,7 +93,10 @@ cdef class Language:
         if start < i:
             self._tokenize(tokens, string[start:i])
         assert tokens
-        return tokens.lexemes
+        output = []
+        for i in range(tokens.length):
+            output.append(Lexeme(<size_t>tokens.lexemes[i]))
+        return output
 
     cdef _tokenize(self, Tokens tokens, unicode string):
         cdef list lexemes

spacy/tokens.pxd

@@ -1,6 +1,11 @@
+from spacy.lexeme cimport LexemeC
+
 cdef class Tokens:
-    cdef list lexemes
-    cpdef append(self, object lexeme)
+    cdef size_t length
+    cdef size_t size
+
+    cdef LexemeC** lexemes
+    cdef push_back(self, LexemeC* lexeme)
 
     cpdef unicode string(self, size_t i)
     cpdef double prob(self, size_t i)

spacy/tokens.pyx

@@ -1,3 +1,10 @@
+from libc.stdlib cimport calloc, free, realloc
+
+from spacy.word cimport Lexeme
+from spacy.lexeme cimport lexeme_check_flag
+from spacy.lexeme cimport lexeme_string_view
+
+
 cdef class Tokens:
     """A sequence of references to Lexeme objects.
 
@@ -17,14 +24,25 @@ cdef class Tokens:
     >>> tokens.can_noun(1)
     True
     """
-    def __cinit__(self):
-        self.lexemes = []
+    def __cinit__(self, size=100):
+        assert size >= 1
+        self.lexemes = <LexemeC**>calloc(size, sizeof(LexemeC*))
+        self.size = size
+        self.length = 0
 
-    cpdef append(self, object lexeme):
-        self.lexemes.append(lexeme)
+    def append(self, Lexeme lexeme):
+        self.push_back(lexeme._c)
+
+    cdef push_back(self, LexemeC* lexeme):
+        if (self.size + 1) == self.length:
+            self.size *= 2
+            self.lexemes = <LexemeC**>realloc(self.lexemes, self.size * sizeof(LexemeC*))
+        self.lexemes[self.length] = lexeme
+        self.length += 1
 
     cpdef unicode string(self, size_t i):
-        return self.lexemes[i].string
+        cdef bytes byte_string = self.lexemes[i].string
+        return byte_string.decode('utf8')
 
     cpdef double prob(self, size_t i):
         return self.lexemes[i].prob
@@ -33,7 +51,7 @@ cdef class Tokens:
         return self.lexemes[i].cluster
 
     cpdef bint check_flag(self, size_t i, size_t flag_id):
-        return self.lexemes[i].check_flag(flag_id)
+        return lexeme_check_flag(self.lexemes[i], flag_id)
 
     cpdef unicode string_view(self, size_t i, size_t view_id):
-        return self.lexemes[i].string_view(view_id)
+        return lexeme_string_view(self.lexemes[i], view_id)