mirror of
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140 lines
3.6 KiB
Cython
140 lines
3.6 KiB
Cython
from libc.string cimport memcpy, memset
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from cymem.cymem cimport Pool
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from ..structs cimport TokenC, Entity
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from ..vocab cimport EMPTY_LEXEME
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cdef class StateClass:
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cdef Pool mem
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cdef int* _stack
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cdef int* _buffer
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cdef bint* shifted
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cdef TokenC* _sent
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cdef Entity* _ents
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cdef TokenC _empty_token
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cdef int length
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cdef int _s_i
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cdef int _b_i
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cdef int _e_i
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cdef int _break
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@staticmethod
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cdef inline StateClass init(const TokenC* sent, int length):
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cdef StateClass self = StateClass(length)
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cdef int i
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for i in range(length):
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self._sent[i] = sent[i]
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self._buffer[i] = i
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for i in range(length, length + 5):
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self._sent[i].lex = &EMPTY_LEXEME
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return self
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cdef inline int S(self, int i) nogil:
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if i >= self._s_i:
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return -1
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return self._stack[self._s_i - (i+1)]
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cdef inline int B(self, int i) nogil:
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if (i + self._b_i) >= self.length:
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return -1
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return self._buffer[self._b_i + i]
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cdef inline const TokenC* S_(self, int i) nogil:
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return self.safe_get(self.S(i))
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cdef inline const TokenC* B_(self, int i) nogil:
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return self.safe_get(self.B(i))
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cdef inline const TokenC* H_(self, int i) nogil:
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return self.safe_get(self.H(i))
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cdef inline const TokenC* E_(self, int i) nogil:
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return self.safe_get(self.E(i))
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cdef inline const TokenC* L_(self, int i, int idx) nogil:
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return self.safe_get(self.L(i, idx))
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cdef inline const TokenC* R_(self, int i, int idx) nogil:
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return self.safe_get(self.R(i, idx))
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cdef inline const TokenC* safe_get(self, int i) nogil:
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if i < 0 or i >= self.length:
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return &self._empty_token
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else:
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return &self._sent[i]
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cdef inline int H(self, int i) nogil:
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if i < 0 or i >= self.length:
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return -1
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return self._sent[i].head + i
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cdef int E(self, int i) nogil
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cdef int R(self, int i, int idx) nogil
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cdef int L(self, int i, int idx) nogil
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cdef inline bint empty(self) nogil:
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return self._s_i <= 0
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cdef inline bint eol(self) nogil:
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return self.buffer_length() == 0
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cdef inline bint at_break(self) nogil:
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return self._break != -1
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cdef inline bint is_final(self) nogil:
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return self.stack_depth() <= 0 and self._b_i >= self.length
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cdef inline bint has_head(self, int i) nogil:
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return self.safe_get(i).head != 0
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cdef inline int n_L(self, int i) nogil:
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return self.safe_get(i).l_kids
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cdef inline int n_R(self, int i) nogil:
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return self.safe_get(i).r_kids
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cdef inline bint stack_is_connected(self) nogil:
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return False
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cdef inline bint entity_is_open(self) nogil:
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if self._e_i < 1:
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return False
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return self._ents[self._e_i-1].end == -1
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cdef inline int stack_depth(self) nogil:
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return self._s_i
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cdef inline int buffer_length(self) nogil:
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if self._break != -1:
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return self._break - self._b_i
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else:
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return self.length - self._b_i
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cdef void push(self) nogil
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cdef void pop(self) nogil
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cdef void unshift(self) nogil
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cdef void add_arc(self, int head, int child, int label) nogil
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cdef void del_arc(self, int head, int child) nogil
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cdef void open_ent(self, int label) nogil
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cdef void close_ent(self) nogil
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cdef void set_ent_tag(self, int i, int ent_iob, int ent_type) nogil
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cdef void set_break(self, int i) nogil
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cdef void clone(self, StateClass src) nogil
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cdef void fast_forward(self) nogil
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