xref: /aosp_15_r20/external/grpc-grpc/test/cpp/microbenchmarks/huffman_geometries/decode_huff_7_16_7.h (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1 // Copyright 2023 gRPC authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 // This file is autogenerated: see
16 // tools/codegen/core/gen_huffman_decompressor.cc
17 
18 #ifndef GRPC_TEST_CPP_MICROBENCHMARKS_HUFFMAN_GEOMETRIES_DECODE_HUFF_7_16_7_H
19 #define GRPC_TEST_CPP_MICROBENCHMARKS_HUFFMAN_GEOMETRIES_DECODE_HUFF_7_16_7_H
20 #include <cstddef>
21 #include <cstdint>
22 
23 #include <grpc/support/port_platform.h>
24 namespace grpc_core {
25 namespace geometry_7_16_7 {
26 class HuffDecoderCommon {
27  protected:
GetOp2(size_t i)28   static inline uint64_t GetOp2(size_t i) { return table2_0_ops_[i]; }
GetEmit2(size_t,size_t emit)29   static inline uint64_t GetEmit2(size_t, size_t emit) {
30     return table2_0_emit_[emit];
31   }
GetOp3(size_t i)32   static inline uint64_t GetOp3(size_t i) { return table3_0_ops_[i]; }
GetEmit3(size_t,size_t emit)33   static inline uint64_t GetEmit3(size_t, size_t emit) {
34     return table3_0_emit_[emit];
35   }
GetOp1(size_t i)36   static inline uint64_t GetOp1(size_t i) {
37     return table1_0_inner_[table1_0_outer_[i]];
38   }
GetEmit1(size_t,size_t emit)39   static inline uint64_t GetEmit1(size_t, size_t emit) {
40     return table1_0_emit_[emit];
41   }
GetOp4(size_t i)42   static inline uint64_t GetOp4(size_t i) { return i ? 3 : 1; }
GetEmit4(size_t,size_t emit)43   static inline uint64_t GetEmit4(size_t, size_t emit) {
44     return emit ? 42 : 38;
45   }
GetOp5(size_t i)46   static inline uint64_t GetOp5(size_t i) { return i ? 3 : 1; }
GetEmit5(size_t,size_t emit)47   static inline uint64_t GetEmit5(size_t, size_t emit) {
48     return emit ? 59 : 44;
49   }
GetOp6(size_t i)50   static inline uint64_t GetOp6(size_t i) { return i ? 3 : 1; }
GetEmit6(size_t,size_t emit)51   static inline uint64_t GetEmit6(size_t, size_t emit) {
52     return emit ? 90 : 88;
53   }
GetOp8(size_t i)54   static inline uint64_t GetOp8(size_t i) {
55     return table8_0_inner_[(i < 6 ? (i) : ((i - 6) + 5))];
56   }
GetEmit8(size_t,size_t emit)57   static inline uint64_t GetEmit8(size_t, size_t emit) {
58     return table8_0_emit_[emit];
59   }
GetOp9(size_t i)60   static inline uint64_t GetOp9(size_t i) {
61     return table9_0_inner_[table9_0_outer_[i]];
62   }
GetEmit9(size_t,size_t emit)63   static inline uint64_t GetEmit9(size_t, size_t emit) {
64     return table9_0_emit_[emit];
65   }
GetOp10(size_t i)66   static inline uint64_t GetOp10(size_t i) { return table10_0_ops_[i]; }
GetEmit10(size_t,size_t emit)67   static inline uint64_t GetEmit10(size_t, size_t emit) {
68     return table10_0_emit_[emit];
69   }
GetOp11(size_t i)70   static inline uint64_t GetOp11(size_t i) { return table11_0_ops_[i]; }
GetEmit11(size_t,size_t emit)71   static inline uint64_t GetEmit11(size_t, size_t emit) {
72     return table11_0_emit_[emit];
73   }
GetOp12(size_t i)74   static inline uint64_t GetOp12(size_t i) { return table12_0_ops_[i]; }
GetEmit12(size_t,size_t emit)75   static inline uint64_t GetEmit12(size_t, size_t emit) {
76     return table12_0_emit_[emit];
77   }
GetOp13(size_t i)78   static inline uint64_t GetOp13(size_t i) {
79     return table13_ops_[i >> 6][i & 0x3f];
80   }
GetEmit13(size_t i,size_t emit)81   static inline uint64_t GetEmit13(size_t i, size_t emit) {
82     return table13_emit_[i >> 6][emit];
83   }
GetOp14(size_t i)84   static inline uint64_t GetOp14(size_t i) {
85     return table14_ops_[i >> 6][i & 0x3f];
86   }
GetEmit14(size_t i,size_t emit)87   static inline uint64_t GetEmit14(size_t i, size_t emit) {
88     return table14_emit_[i >> 6][emit];
89   }
GetOp15(size_t i)90   static inline uint64_t GetOp15(size_t i) {
91     return table15_ops_[i >> 6][i & 0x3f];
92   }
GetEmit15(size_t i,size_t emit)93   static inline uint64_t GetEmit15(size_t i, size_t emit) {
94     return table15_emit_[i >> 6][emit];
95   }
GetOp16(size_t i)96   static inline uint64_t GetOp16(size_t i) {
97     return table16_ops_[i >> 6][i & 0x3f];
98   }
GetEmit16(size_t i,size_t emit)99   static inline uint64_t GetEmit16(size_t i, size_t emit) {
100     return table16_emit_[i >> 6][emit];
101   }
GetOp17(size_t i)102   static inline uint64_t GetOp17(size_t i) {
103     return table17_ops_[i >> 7][i & 0x7f];
104   }
GetEmit17(size_t i,size_t emit)105   static inline uint64_t GetEmit17(size_t i, size_t emit) {
106     return table17_emit_[i >> 7][emit];
107   }
GetOp18(size_t i)108   static inline uint64_t GetOp18(size_t i) {
109     return table18_ops_[i >> 6][i & 0x3f];
110   }
GetEmit18(size_t i,size_t emit)111   static inline uint64_t GetEmit18(size_t i, size_t emit) {
112     return table18_emit_[i >> 6][emit];
113   }
GetOp19(size_t i)114   static inline uint64_t GetOp19(size_t i) {
115     return table19_inner_[i >> 7][table19_outer_[i >> 7][i & 0x7f]];
116   }
GetEmit19(size_t i,size_t emit)117   static inline uint64_t GetEmit19(size_t i, size_t emit) {
118     return table19_emit_[i >> 7][emit];
119   }
GetOp20(size_t i)120   static inline uint64_t GetOp20(size_t i) {
121     return table20_ops_[i >> 7][i & 0x7f];
122   }
GetEmit20(size_t i,size_t emit)123   static inline uint64_t GetEmit20(size_t i, size_t emit) {
124     return table20_emit_[i >> 7][emit];
125   }
GetOp7(size_t i)126   static inline uint64_t GetOp7(size_t i) {
127     return table7_ops_[i >> 9][i & 0x1ff];
128   }
GetEmit7(size_t i,size_t emit)129   static inline uint64_t GetEmit7(size_t i, size_t emit) {
130     return table7_emit_[i >> 9][emit];
131   }
GetOp21(size_t i)132   static inline uint64_t GetOp21(size_t i) { return i ? 3 : 1; }
GetEmit21(size_t,size_t emit)133   static inline uint64_t GetEmit21(size_t, size_t emit) {
134     return emit ? 142 : 9;
135   }
GetOp22(size_t i)136   static inline uint64_t GetOp22(size_t i) { return i ? 3 : 1; }
GetEmit22(size_t,size_t emit)137   static inline uint64_t GetEmit22(size_t, size_t emit) { return emit + 144; }
GetOp23(size_t i)138   static inline uint64_t GetOp23(size_t i) { return i ? 3 : 1; }
GetEmit23(size_t,size_t emit)139   static inline uint64_t GetEmit23(size_t, size_t emit) {
140     return emit ? 159 : 148;
141   }
GetOp24(size_t i)142   static inline uint64_t GetOp24(size_t i) { return i ? 3 : 1; }
GetEmit24(size_t,size_t emit)143   static inline uint64_t GetEmit24(size_t, size_t emit) {
144     return emit ? 206 : 171;
145   }
GetOp25(size_t i)146   static inline uint64_t GetOp25(size_t i) { return i ? 3 : 1; }
GetEmit25(size_t,size_t emit)147   static inline uint64_t GetEmit25(size_t, size_t emit) {
148     return emit ? 225 : 215;
149   }
GetOp26(size_t i)150   static inline uint64_t GetOp26(size_t i) { return i ? 3 : 1; }
GetEmit26(size_t,size_t emit)151   static inline uint64_t GetEmit26(size_t, size_t emit) { return emit + 236; }
GetOp27(size_t i)152   static inline uint64_t GetOp27(size_t i) {
153     return (i < 2 ? (i ? 6 : 2) : ((i - 2) ? 14 : 10));
154   }
GetEmit27(size_t,size_t emit)155   static inline uint64_t GetEmit27(size_t, size_t emit) {
156     return (emit < 2 ? (emit ? 207 : 199) : ((emit - 2) + 234));
157   }
GetOp28(size_t i)158   static inline uint64_t GetOp28(size_t i) { return table28_0_inner_[i]; }
GetEmit28(size_t,size_t emit)159   static inline uint64_t GetEmit28(size_t, size_t emit) {
160     return table28_0_emit_[emit];
161   }
GetOp29(size_t i)162   static inline uint64_t GetOp29(size_t i) { return table29_0_inner_[i]; }
GetEmit29(size_t,size_t emit)163   static inline uint64_t GetEmit29(size_t, size_t emit) {
164     return table29_0_emit_[emit];
165   }
GetOp31(size_t i)166   static inline uint64_t GetOp31(size_t i) {
167     return (i < 1 ? (((void)i, 0)) : ((i - 1) / 14 + 1));
168   }
GetEmit31(size_t,size_t emit)169   static inline uint64_t GetEmit31(size_t, size_t emit) {
170     return ((void)emit, 254);
171   }
GetOp32(size_t i)172   static inline uint64_t GetOp32(size_t i) { return table32_0_ops_[i]; }
GetEmit32(size_t,size_t emit)173   static inline uint64_t GetEmit32(size_t, size_t emit) {
174     return table32_0_emit_[emit];
175   }
GetOp33(size_t i)176   static inline uint64_t GetOp33(size_t i) { return table33_0_ops_[i]; }
GetEmit33(size_t,size_t emit)177   static inline uint64_t GetEmit33(size_t, size_t emit) {
178     return table32_0_emit_[emit];
179   }
GetOp30(size_t i)180   static inline uint64_t GetOp30(size_t i) {
181     return table30_ops_[i >> 5][i & 0x1f];
182   }
GetEmit30(size_t i,size_t emit)183   static inline uint64_t GetEmit30(size_t i, size_t emit) {
184     return table30_emit_[i >> 5][emit];
185   }
GetOp35(size_t i)186   static inline uint64_t GetOp35(size_t i) { return table35_0_inner_[i]; }
GetEmit35(size_t,size_t emit)187   static inline uint64_t GetEmit35(size_t, size_t emit) {
188     return table35_0_emit_[emit];
189   }
GetOp34(size_t i)190   static inline uint64_t GetOp34(size_t i) {
191     return table34_0_inner_[(i < 13 ? (i / 2 + 0) : ((i - 13) + 6))];
192   }
GetEmit34(size_t,size_t emit)193   static inline uint64_t GetEmit34(size_t, size_t emit) {
194     return table34_0_emit_[emit];
195   }
196 
197  private:
198   static const uint8_t table2_0_emit_[10];
199   static const uint8_t table2_0_ops_[32];
200   static const uint8_t table3_0_emit_[36];
201   static const uint8_t table3_0_ops_[64];
202   static const uint8_t table1_0_emit_[68];
203   static const uint16_t table1_0_inner_[72];
204   static const uint8_t table1_0_outer_[128];
205   static const uint8_t table8_0_emit_[5];
206   static const uint8_t table8_0_inner_[7];
207   static const uint8_t table9_0_emit_[8];
208   static const uint8_t table9_0_inner_[10];
209   static const uint8_t table9_0_outer_[16];
210   static const uint8_t table10_0_emit_[10];
211   static const uint8_t table10_0_ops_[32];
212   static const uint8_t table11_0_emit_[16];
213   static const uint8_t table11_0_ops_[64];
214   static const uint8_t table12_0_emit_[18];
215   static const uint8_t table12_0_ops_[128];
216   static const uint8_t table13_0_emit_[40];
217   static const uint8_t table13_0_ops_[64];
218   static const uint8_t table13_1_emit_[40];
219   static const uint8_t table13_2_emit_[22];
220   static const uint8_t table13_2_ops_[64];
221   static const uint8_t table13_3_emit_[14];
222   static const uint8_t table13_3_ops_[64];
223   static const uint8_t* const table13_emit_[4];
224   static const uint8_t* const table13_ops_[4];
225   static const uint8_t table14_0_emit_[72];
226   static const uint16_t table14_0_ops_[64];
227   static const uint8_t table14_1_emit_[72];
228   static const uint8_t table14_2_emit_[72];
229   static const uint8_t table14_3_emit_[72];
230   static const uint8_t table14_4_emit_[72];
231   static const uint8_t table14_5_emit_[40];
232   static const uint16_t table14_5_ops_[64];
233   static const uint8_t table14_6_emit_[22];
234   static const uint16_t table14_6_ops_[64];
235   static const uint8_t table14_7_emit_[11];
236   static const uint16_t table14_7_ops_[64];
237   static const uint8_t* const table14_emit_[8];
238   static const uint16_t* const table14_ops_[8];
239   static const uint8_t table15_0_emit_[44];
240   static const uint16_t table15_0_ops_[64];
241   static const uint8_t table15_1_emit_[92];
242   static const uint16_t table15_1_ops_[64];
243   static const uint8_t table15_2_emit_[44];
244   static const uint8_t table15_3_emit_[92];
245   static const uint8_t table15_4_emit_[44];
246   static const uint8_t table15_5_emit_[92];
247   static const uint8_t table15_6_emit_[44];
248   static const uint8_t table15_7_emit_[92];
249   static const uint8_t table15_8_emit_[44];
250   static const uint8_t table15_9_emit_[92];
251   static const uint8_t table15_10_emit_[72];
252   static const uint8_t table15_11_emit_[72];
253   static const uint8_t table15_12_emit_[72];
254   static const uint8_t table15_13_emit_[40];
255   static const uint8_t table15_14_emit_[4];
256   static const uint16_t table15_14_ops_[64];
257   static const uint8_t table15_15_emit_[7];
258   static const uint16_t table15_15_ops_[64];
259   static const uint8_t* const table15_emit_[16];
260   static const uint16_t* const table15_ops_[16];
261   static const uint8_t table16_0_emit_[16];
262   static const uint16_t table16_0_ops_[64];
263   static const uint8_t table16_1_emit_[28];
264   static const uint16_t table16_1_ops_[64];
265   static const uint8_t table16_2_emit_[36];
266   static const uint16_t table16_2_ops_[64];
267   static const uint8_t table16_3_emit_[68];
268   static const uint16_t table16_3_ops_[64];
269   static const uint8_t table16_4_emit_[16];
270   static const uint8_t table16_5_emit_[28];
271   static const uint8_t table16_6_emit_[36];
272   static const uint8_t table16_7_emit_[68];
273   static const uint8_t table16_8_emit_[16];
274   static const uint8_t table16_9_emit_[28];
275   static const uint8_t table16_10_emit_[36];
276   static const uint8_t table16_11_emit_[68];
277   static const uint8_t table16_12_emit_[16];
278   static const uint8_t table16_13_emit_[28];
279   static const uint8_t table16_14_emit_[36];
280   static const uint8_t table16_15_emit_[68];
281   static const uint8_t table16_16_emit_[16];
282   static const uint8_t table16_17_emit_[28];
283   static const uint8_t table16_18_emit_[36];
284   static const uint8_t table16_19_emit_[68];
285   static const uint8_t table16_20_emit_[44];
286   static const uint8_t table16_21_emit_[92];
287   static const uint8_t table16_22_emit_[44];
288   static const uint8_t table16_23_emit_[92];
289   static const uint8_t table16_24_emit_[44];
290   static const uint8_t table16_25_emit_[92];
291   static const uint8_t table16_26_emit_[72];
292   static const uint8_t table16_27_emit_[72];
293   static const uint8_t table16_28_emit_[40];
294   static const uint8_t table16_29_emit_[40];
295   static const uint8_t table16_30_emit_[40];
296   static const uint8_t table16_31_emit_[5];
297   static const uint16_t table16_31_ops_[64];
298   static const uint8_t* const table16_emit_[32];
299   static const uint16_t* const table16_ops_[32];
300   static const uint16_t table17_0_ops_[128];
301   static const uint16_t table17_1_ops_[128];
302   static const uint16_t table17_2_ops_[128];
303   static const uint16_t table17_3_ops_[128];
304   static const uint16_t table17_20_ops_[128];
305   static const uint8_t table17_21_emit_[104];
306   static const uint16_t table17_21_ops_[128];
307   static const uint8_t table17_23_emit_[104];
308   static const uint8_t table17_25_emit_[104];
309   static const uint8_t table17_26_emit_[136];
310   static const uint16_t table17_26_ops_[128];
311   static const uint8_t table17_27_emit_[136];
312   static const uint8_t table17_28_emit_[144];
313   static const uint16_t table17_28_ops_[128];
314   static const uint8_t table17_29_emit_[144];
315   static const uint8_t table17_30_emit_[144];
316   static const uint8_t table17_31_emit_[46];
317   static const uint16_t table17_31_ops_[128];
318   static const uint8_t* const table17_emit_[32];
319   static const uint16_t* const table17_ops_[32];
320   static const uint8_t table18_0_emit_[60];
321   static const uint16_t table18_0_ops_[64];
322   static const uint8_t table18_1_emit_[60];
323   static const uint8_t table18_2_emit_[60];
324   static const uint8_t table18_3_emit_[60];
325   static const uint8_t table18_4_emit_[60];
326   static const uint8_t table18_5_emit_[8];
327   static const uint16_t table18_5_ops_[64];
328   static const uint8_t table18_6_emit_[8];
329   static const uint8_t table18_7_emit_[8];
330   static const uint8_t table18_8_emit_[8];
331   static const uint8_t table18_9_emit_[8];
332   static const uint8_t table18_10_emit_[8];
333   static const uint8_t table18_11_emit_[12];
334   static const uint16_t table18_11_ops_[64];
335   static const uint8_t table18_12_emit_[16];
336   static const uint16_t table18_12_ops_[64];
337   static const uint8_t table18_13_emit_[16];
338   static const uint8_t table18_14_emit_[16];
339   static const uint8_t table18_15_emit_[29];
340   static const uint16_t table18_15_ops_[64];
341   static const uint8_t table18_16_emit_[60];
342   static const uint8_t table18_17_emit_[60];
343   static const uint8_t table18_18_emit_[60];
344   static const uint8_t table18_19_emit_[60];
345   static const uint8_t table18_20_emit_[60];
346   static const uint8_t table18_21_emit_[8];
347   static const uint8_t table18_22_emit_[8];
348   static const uint8_t table18_23_emit_[8];
349   static const uint8_t table18_24_emit_[8];
350   static const uint8_t table18_25_emit_[8];
351   static const uint8_t table18_26_emit_[8];
352   static const uint8_t table18_27_emit_[12];
353   static const uint8_t table18_28_emit_[16];
354   static const uint8_t table18_29_emit_[16];
355   static const uint8_t table18_30_emit_[16];
356   static const uint8_t table18_31_emit_[29];
357   static const uint16_t table18_31_ops_[64];
358   static const uint8_t table18_32_emit_[60];
359   static const uint8_t table18_33_emit_[60];
360   static const uint8_t table18_34_emit_[60];
361   static const uint8_t table18_35_emit_[60];
362   static const uint8_t table18_36_emit_[60];
363   static const uint8_t table18_37_emit_[8];
364   static const uint8_t table18_38_emit_[8];
365   static const uint8_t table18_39_emit_[8];
366   static const uint8_t table18_40_emit_[8];
367   static const uint8_t table18_41_emit_[8];
368   static const uint8_t table18_42_emit_[8];
369   static const uint8_t table18_43_emit_[12];
370   static const uint8_t table18_44_emit_[16];
371   static const uint8_t table18_45_emit_[16];
372   static const uint8_t table18_46_emit_[16];
373   static const uint8_t table18_47_emit_[29];
374   static const uint16_t table18_47_ops_[64];
375   static const uint8_t table18_48_emit_[60];
376   static const uint8_t table18_49_emit_[60];
377   static const uint8_t table18_50_emit_[60];
378   static const uint8_t table18_51_emit_[60];
379   static const uint8_t table18_52_emit_[60];
380   static const uint8_t table18_53_emit_[8];
381   static const uint8_t table18_54_emit_[8];
382   static const uint8_t table18_55_emit_[8];
383   static const uint8_t table18_56_emit_[8];
384   static const uint8_t table18_57_emit_[8];
385   static const uint8_t table18_58_emit_[8];
386   static const uint8_t table18_59_emit_[12];
387   static const uint8_t table18_60_emit_[16];
388   static const uint8_t table18_61_emit_[16];
389   static const uint8_t table18_62_emit_[16];
390   static const uint8_t table18_63_emit_[29];
391   static const uint16_t table18_63_ops_[64];
392   static const uint8_t table18_64_emit_[60];
393   static const uint8_t table18_65_emit_[60];
394   static const uint8_t table18_66_emit_[60];
395   static const uint8_t table18_67_emit_[60];
396   static const uint8_t table18_68_emit_[60];
397   static const uint8_t table18_69_emit_[8];
398   static const uint8_t table18_70_emit_[8];
399   static const uint8_t table18_71_emit_[8];
400   static const uint8_t table18_72_emit_[8];
401   static const uint8_t table18_73_emit_[8];
402   static const uint8_t table18_74_emit_[8];
403   static const uint8_t table18_75_emit_[12];
404   static const uint8_t table18_76_emit_[16];
405   static const uint8_t table18_77_emit_[16];
406   static const uint8_t table18_78_emit_[16];
407   static const uint8_t table18_79_emit_[30];
408   static const uint16_t table18_79_ops_[64];
409   static const uint8_t table18_80_emit_[8];
410   static const uint8_t table18_81_emit_[8];
411   static const uint8_t table18_82_emit_[12];
412   static const uint8_t table18_83_emit_[16];
413   static const uint8_t table18_84_emit_[16];
414   static const uint8_t table18_85_emit_[20];
415   static const uint16_t table18_85_ops_[64];
416   static const uint8_t table18_86_emit_[32];
417   static const uint16_t table18_86_ops_[64];
418   static const uint8_t table18_87_emit_[36];
419   static const uint16_t table18_87_ops_[64];
420   static const uint8_t table18_88_emit_[8];
421   static const uint8_t table18_89_emit_[8];
422   static const uint8_t table18_90_emit_[12];
423   static const uint8_t table18_91_emit_[16];
424   static const uint8_t table18_92_emit_[16];
425   static const uint8_t table18_93_emit_[20];
426   static const uint8_t table18_94_emit_[32];
427   static const uint8_t table18_95_emit_[36];
428   static const uint8_t table18_96_emit_[8];
429   static const uint8_t table18_97_emit_[8];
430   static const uint8_t table18_98_emit_[12];
431   static const uint8_t table18_99_emit_[16];
432   static const uint8_t table18_100_emit_[16];
433   static const uint8_t table18_101_emit_[20];
434   static const uint8_t table18_102_emit_[32];
435   static const uint8_t table18_103_emit_[36];
436   static const uint8_t table18_104_emit_[16];
437   static const uint8_t table18_105_emit_[28];
438   static const uint16_t table18_105_ops_[64];
439   static const uint8_t table18_106_emit_[36];
440   static const uint16_t table18_106_ops_[64];
441   static const uint8_t table18_107_emit_[68];
442   static const uint16_t table18_107_ops_[64];
443   static const uint8_t table18_108_emit_[16];
444   static const uint8_t table18_109_emit_[28];
445   static const uint8_t table18_110_emit_[36];
446   static const uint8_t table18_111_emit_[68];
447   static const uint8_t table18_112_emit_[44];
448   static const uint16_t table18_112_ops_[64];
449   static const uint8_t table18_113_emit_[92];
450   static const uint16_t table18_113_ops_[64];
451   static const uint8_t table18_114_emit_[44];
452   static const uint8_t table18_115_emit_[92];
453   static const uint8_t table18_116_emit_[44];
454   static const uint8_t table18_117_emit_[92];
455   static const uint8_t table18_118_emit_[44];
456   static const uint8_t table18_119_emit_[92];
457   static const uint8_t table18_120_emit_[44];
458   static const uint8_t table18_121_emit_[92];
459   static const uint8_t table18_122_emit_[44];
460   static const uint8_t table18_123_emit_[92];
461   static const uint8_t table18_124_emit_[72];
462   static const uint16_t table18_124_ops_[64];
463   static const uint8_t table18_125_emit_[72];
464   static const uint8_t table18_126_emit_[40];
465   static const uint16_t table18_126_ops_[64];
466   static const uint8_t table18_127_emit_[31];
467   static const uint16_t table18_127_ops_[64];
468   static const uint8_t* const table18_emit_[128];
469   static const uint16_t* const table18_ops_[128];
470   static const uint8_t table19_0_emit_[216];
471   static const uint16_t table19_0_inner_[75];
472   static const uint8_t table19_0_outer_[128];
473   static const uint8_t table19_1_emit_[216];
474   static const uint8_t table19_2_emit_[216];
475   static const uint8_t table19_3_emit_[216];
476   static const uint8_t table19_4_emit_[216];
477   static const uint8_t table19_5_emit_[120];
478   static const uint16_t table19_5_inner_[45];
479   static const uint8_t table19_5_outer_[128];
480   static const uint8_t table19_6_emit_[120];
481   static const uint8_t table19_7_emit_[120];
482   static const uint8_t table19_8_emit_[120];
483   static const uint8_t table19_9_emit_[120];
484   static const uint8_t table19_10_emit_[120];
485   static const uint8_t table19_11_emit_[68];
486   static const uint16_t table19_11_inner_[27];
487   static const uint8_t table19_11_outer_[128];
488   static const uint16_t table19_12_inner_[9];
489   static const uint8_t table19_12_outer_[128];
490   static const uint8_t table19_15_emit_[35];
491   static const uint16_t table19_15_inner_[20];
492   static const uint8_t table19_15_outer_[128];
493   static const uint8_t table19_16_emit_[216];
494   static const uint8_t table19_17_emit_[216];
495   static const uint8_t table19_18_emit_[216];
496   static const uint8_t table19_19_emit_[216];
497   static const uint8_t table19_20_emit_[216];
498   static const uint8_t table19_21_emit_[120];
499   static const uint8_t table19_22_emit_[120];
500   static const uint8_t table19_23_emit_[120];
501   static const uint8_t table19_24_emit_[120];
502   static const uint8_t table19_25_emit_[120];
503   static const uint8_t table19_26_emit_[120];
504   static const uint8_t table19_27_emit_[68];
505   static const uint8_t table19_31_emit_[35];
506   static const uint16_t table19_31_inner_[20];
507   static const uint8_t table19_32_emit_[216];
508   static const uint8_t table19_33_emit_[216];
509   static const uint8_t table19_34_emit_[216];
510   static const uint8_t table19_35_emit_[216];
511   static const uint8_t table19_36_emit_[216];
512   static const uint8_t table19_37_emit_[120];
513   static const uint8_t table19_38_emit_[120];
514   static const uint8_t table19_39_emit_[120];
515   static const uint8_t table19_40_emit_[120];
516   static const uint8_t table19_41_emit_[120];
517   static const uint8_t table19_42_emit_[120];
518   static const uint8_t table19_43_emit_[68];
519   static const uint8_t table19_47_emit_[35];
520   static const uint16_t table19_47_inner_[20];
521   static const uint8_t table19_48_emit_[216];
522   static const uint8_t table19_49_emit_[216];
523   static const uint8_t table19_50_emit_[216];
524   static const uint8_t table19_51_emit_[216];
525   static const uint8_t table19_52_emit_[216];
526   static const uint8_t table19_53_emit_[120];
527   static const uint8_t table19_54_emit_[120];
528   static const uint8_t table19_55_emit_[120];
529   static const uint8_t table19_56_emit_[120];
530   static const uint8_t table19_57_emit_[120];
531   static const uint8_t table19_58_emit_[120];
532   static const uint8_t table19_59_emit_[68];
533   static const uint8_t table19_63_emit_[35];
534   static const uint16_t table19_63_inner_[20];
535   static const uint8_t table19_64_emit_[216];
536   static const uint8_t table19_65_emit_[216];
537   static const uint8_t table19_66_emit_[216];
538   static const uint8_t table19_67_emit_[216];
539   static const uint8_t table19_68_emit_[216];
540   static const uint8_t table19_69_emit_[120];
541   static const uint8_t table19_70_emit_[120];
542   static const uint8_t table19_71_emit_[120];
543   static const uint8_t table19_72_emit_[120];
544   static const uint8_t table19_73_emit_[120];
545   static const uint8_t table19_74_emit_[120];
546   static const uint8_t table19_75_emit_[68];
547   static const uint8_t table19_79_emit_[35];
548   static const uint16_t table19_79_inner_[20];
549   static const uint8_t table19_80_emit_[120];
550   static const uint8_t table19_81_emit_[120];
551   static const uint8_t table19_82_emit_[68];
552   static const uint16_t table19_85_inner_[11];
553   static const uint8_t table19_85_outer_[128];
554   static const uint16_t table19_86_inner_[17];
555   static const uint8_t table19_86_outer_[128];
556   static const uint8_t table19_87_emit_[46];
557   static const uint16_t table19_87_inner_[25];
558   static const uint8_t table19_87_outer_[128];
559   static const uint8_t table19_88_emit_[120];
560   static const uint8_t table19_89_emit_[120];
561   static const uint8_t table19_90_emit_[68];
562   static const uint8_t table19_95_emit_[46];
563   static const uint8_t table19_96_emit_[120];
564   static const uint8_t table19_97_emit_[120];
565   static const uint8_t table19_98_emit_[68];
566   static const uint8_t table19_103_emit_[46];
567   static const uint16_t table19_105_inner_[15];
568   static const uint8_t table19_105_outer_[128];
569   static const uint16_t table19_106_inner_[19];
570   static const uint8_t table19_106_outer_[128];
571   static const uint16_t table19_107_inner_[36];
572   static const uint8_t table19_107_outer_[128];
573   static const uint16_t table19_112_inner_[23];
574   static const uint8_t table19_112_outer_[128];
575   static const uint8_t table19_113_emit_[104];
576   static const uint16_t table19_113_inner_[54];
577   static const uint8_t table19_113_outer_[128];
578   static const uint8_t table19_115_emit_[104];
579   static const uint8_t table19_117_emit_[104];
580   static const uint8_t table19_119_emit_[104];
581   static const uint8_t table19_121_emit_[104];
582   static const uint8_t table19_123_emit_[104];
583   static const uint8_t table19_124_emit_[136];
584   static const uint16_t table19_124_inner_[70];
585   static const uint8_t table19_124_outer_[128];
586   static const uint8_t table19_125_emit_[136];
587   static const uint8_t table19_126_emit_[144];
588   static const uint16_t table19_126_inner_[75];
589   static const uint8_t table19_127_emit_[96];
590   static const uint16_t table19_127_inner_[63];
591   static const uint8_t table19_127_outer_[128];
592   static const uint8_t* const table19_emit_[128];
593   static const uint16_t* const table19_inner_[128];
594   static const uint8_t* const table19_outer_[128];
595   static const uint8_t table20_0_emit_[204];
596   static const uint16_t table20_0_ops_[128];
597   static const uint8_t table20_1_emit_[204];
598   static const uint8_t table20_2_emit_[204];
599   static const uint8_t table20_3_emit_[204];
600   static const uint8_t table20_4_emit_[204];
601   static const uint8_t table20_5_emit_[204];
602   static const uint8_t table20_6_emit_[204];
603   static const uint8_t table20_7_emit_[204];
604   static const uint8_t table20_8_emit_[204];
605   static const uint8_t table20_9_emit_[204];
606   static const uint8_t table20_10_emit_[216];
607   static const uint16_t table20_10_ops_[128];
608   static const uint8_t table20_11_emit_[216];
609   static const uint8_t table20_12_emit_[216];
610   static const uint8_t table20_13_emit_[216];
611   static const uint8_t table20_14_emit_[216];
612   static const uint8_t table20_15_emit_[216];
613   static const uint8_t table20_16_emit_[216];
614   static const uint8_t table20_17_emit_[216];
615   static const uint8_t table20_18_emit_[216];
616   static const uint8_t table20_19_emit_[216];
617   static const uint8_t table20_20_emit_[216];
618   static const uint8_t table20_21_emit_[216];
619   static const uint8_t table20_22_emit_[216];
620   static const uint8_t table20_23_emit_[120];
621   static const uint16_t table20_23_ops_[128];
622   static const uint8_t table20_24_emit_[120];
623   static const uint8_t table20_25_emit_[120];
624   static const uint8_t table20_26_emit_[120];
625   static const uint8_t table20_27_emit_[120];
626   static const uint8_t table20_28_emit_[120];
627   static const uint8_t table20_29_emit_[120];
628   static const uint8_t table20_30_emit_[120];
629   static const uint8_t table20_31_emit_[31];
630   static const uint16_t table20_31_ops_[128];
631   static const uint8_t table20_32_emit_[204];
632   static const uint8_t table20_33_emit_[204];
633   static const uint8_t table20_34_emit_[204];
634   static const uint8_t table20_35_emit_[204];
635   static const uint8_t table20_36_emit_[204];
636   static const uint8_t table20_37_emit_[204];
637   static const uint8_t table20_38_emit_[204];
638   static const uint8_t table20_39_emit_[204];
639   static const uint8_t table20_40_emit_[204];
640   static const uint8_t table20_41_emit_[204];
641   static const uint8_t table20_42_emit_[216];
642   static const uint8_t table20_43_emit_[216];
643   static const uint8_t table20_44_emit_[216];
644   static const uint8_t table20_45_emit_[216];
645   static const uint8_t table20_46_emit_[216];
646   static const uint8_t table20_47_emit_[216];
647   static const uint8_t table20_48_emit_[216];
648   static const uint8_t table20_49_emit_[216];
649   static const uint8_t table20_50_emit_[216];
650   static const uint8_t table20_51_emit_[216];
651   static const uint8_t table20_52_emit_[216];
652   static const uint8_t table20_53_emit_[216];
653   static const uint8_t table20_54_emit_[216];
654   static const uint8_t table20_55_emit_[120];
655   static const uint8_t table20_56_emit_[120];
656   static const uint8_t table20_57_emit_[120];
657   static const uint8_t table20_58_emit_[120];
658   static const uint8_t table20_59_emit_[120];
659   static const uint8_t table20_60_emit_[120];
660   static const uint8_t table20_61_emit_[120];
661   static const uint8_t table20_62_emit_[120];
662   static const uint8_t table20_63_emit_[31];
663   static const uint16_t table20_63_ops_[128];
664   static const uint8_t table20_64_emit_[204];
665   static const uint8_t table20_65_emit_[204];
666   static const uint8_t table20_66_emit_[204];
667   static const uint8_t table20_67_emit_[204];
668   static const uint8_t table20_68_emit_[204];
669   static const uint8_t table20_69_emit_[204];
670   static const uint8_t table20_70_emit_[204];
671   static const uint8_t table20_71_emit_[204];
672   static const uint8_t table20_72_emit_[204];
673   static const uint8_t table20_73_emit_[204];
674   static const uint8_t table20_74_emit_[216];
675   static const uint8_t table20_75_emit_[216];
676   static const uint8_t table20_76_emit_[216];
677   static const uint8_t table20_77_emit_[216];
678   static const uint8_t table20_78_emit_[216];
679   static const uint8_t table20_79_emit_[216];
680   static const uint8_t table20_80_emit_[216];
681   static const uint8_t table20_81_emit_[216];
682   static const uint8_t table20_82_emit_[216];
683   static const uint8_t table20_83_emit_[216];
684   static const uint8_t table20_84_emit_[216];
685   static const uint8_t table20_85_emit_[216];
686   static const uint8_t table20_86_emit_[216];
687   static const uint8_t table20_87_emit_[120];
688   static const uint8_t table20_88_emit_[120];
689   static const uint8_t table20_89_emit_[120];
690   static const uint8_t table20_90_emit_[120];
691   static const uint8_t table20_91_emit_[120];
692   static const uint8_t table20_92_emit_[120];
693   static const uint8_t table20_93_emit_[120];
694   static const uint8_t table20_94_emit_[120];
695   static const uint8_t table20_95_emit_[31];
696   static const uint16_t table20_95_ops_[128];
697   static const uint8_t table20_96_emit_[204];
698   static const uint8_t table20_97_emit_[204];
699   static const uint8_t table20_98_emit_[204];
700   static const uint8_t table20_99_emit_[204];
701   static const uint8_t table20_100_emit_[204];
702   static const uint8_t table20_101_emit_[204];
703   static const uint8_t table20_102_emit_[204];
704   static const uint8_t table20_103_emit_[204];
705   static const uint8_t table20_104_emit_[204];
706   static const uint8_t table20_105_emit_[204];
707   static const uint8_t table20_106_emit_[216];
708   static const uint8_t table20_107_emit_[216];
709   static const uint8_t table20_108_emit_[216];
710   static const uint8_t table20_109_emit_[216];
711   static const uint8_t table20_110_emit_[216];
712   static const uint8_t table20_111_emit_[216];
713   static const uint8_t table20_112_emit_[216];
714   static const uint8_t table20_113_emit_[216];
715   static const uint8_t table20_114_emit_[216];
716   static const uint8_t table20_115_emit_[216];
717   static const uint8_t table20_116_emit_[216];
718   static const uint8_t table20_117_emit_[216];
719   static const uint8_t table20_118_emit_[216];
720   static const uint8_t table20_119_emit_[120];
721   static const uint8_t table20_120_emit_[120];
722   static const uint8_t table20_121_emit_[120];
723   static const uint8_t table20_122_emit_[120];
724   static const uint8_t table20_123_emit_[120];
725   static const uint8_t table20_124_emit_[120];
726   static const uint8_t table20_125_emit_[120];
727   static const uint8_t table20_126_emit_[120];
728   static const uint8_t table20_127_emit_[31];
729   static const uint16_t table20_127_ops_[128];
730   static const uint8_t table20_128_emit_[204];
731   static const uint8_t table20_129_emit_[204];
732   static const uint8_t table20_130_emit_[204];
733   static const uint8_t table20_131_emit_[204];
734   static const uint8_t table20_132_emit_[204];
735   static const uint8_t table20_133_emit_[204];
736   static const uint8_t table20_134_emit_[204];
737   static const uint8_t table20_135_emit_[204];
738   static const uint8_t table20_136_emit_[204];
739   static const uint8_t table20_137_emit_[204];
740   static const uint8_t table20_138_emit_[216];
741   static const uint8_t table20_139_emit_[216];
742   static const uint8_t table20_140_emit_[216];
743   static const uint8_t table20_141_emit_[216];
744   static const uint8_t table20_142_emit_[216];
745   static const uint8_t table20_143_emit_[216];
746   static const uint8_t table20_144_emit_[216];
747   static const uint8_t table20_145_emit_[216];
748   static const uint8_t table20_146_emit_[216];
749   static const uint8_t table20_147_emit_[216];
750   static const uint8_t table20_148_emit_[216];
751   static const uint8_t table20_149_emit_[216];
752   static const uint8_t table20_150_emit_[216];
753   static const uint8_t table20_151_emit_[120];
754   static const uint8_t table20_152_emit_[120];
755   static const uint8_t table20_153_emit_[120];
756   static const uint8_t table20_154_emit_[120];
757   static const uint8_t table20_155_emit_[120];
758   static const uint8_t table20_156_emit_[120];
759   static const uint8_t table20_157_emit_[120];
760   static const uint8_t table20_158_emit_[120];
761   static const uint8_t table20_159_emit_[31];
762   static const uint16_t table20_159_ops_[128];
763   static const uint8_t table20_160_emit_[216];
764   static const uint8_t table20_161_emit_[216];
765   static const uint8_t table20_162_emit_[216];
766   static const uint8_t table20_163_emit_[216];
767   static const uint8_t table20_164_emit_[216];
768   static const uint8_t table20_165_emit_[120];
769   static const uint8_t table20_166_emit_[120];
770   static const uint8_t table20_167_emit_[120];
771   static const uint8_t table20_168_emit_[120];
772   static const uint8_t table20_169_emit_[120];
773   static const uint8_t table20_170_emit_[120];
774   static const uint8_t table20_171_emit_[68];
775   static const uint16_t table20_171_ops_[128];
776   static const uint8_t table20_172_emit_[16];
777   static const uint16_t table20_172_ops_[128];
778   static const uint8_t table20_173_emit_[16];
779   static const uint8_t table20_174_emit_[16];
780   static const uint8_t table20_175_emit_[35];
781   static const uint16_t table20_175_ops_[128];
782   static const uint8_t table20_176_emit_[216];
783   static const uint8_t table20_177_emit_[216];
784   static const uint8_t table20_178_emit_[216];
785   static const uint8_t table20_179_emit_[216];
786   static const uint8_t table20_180_emit_[216];
787   static const uint8_t table20_181_emit_[120];
788   static const uint8_t table20_182_emit_[120];
789   static const uint8_t table20_183_emit_[120];
790   static const uint8_t table20_184_emit_[120];
791   static const uint8_t table20_185_emit_[120];
792   static const uint8_t table20_186_emit_[120];
793   static const uint8_t table20_187_emit_[68];
794   static const uint8_t table20_188_emit_[16];
795   static const uint8_t table20_189_emit_[16];
796   static const uint8_t table20_190_emit_[16];
797   static const uint8_t table20_191_emit_[35];
798   static const uint16_t table20_191_ops_[128];
799   static const uint8_t table20_192_emit_[216];
800   static const uint8_t table20_193_emit_[216];
801   static const uint8_t table20_194_emit_[216];
802   static const uint8_t table20_195_emit_[216];
803   static const uint8_t table20_196_emit_[216];
804   static const uint8_t table20_197_emit_[120];
805   static const uint8_t table20_198_emit_[120];
806   static const uint8_t table20_199_emit_[120];
807   static const uint8_t table20_200_emit_[120];
808   static const uint8_t table20_201_emit_[120];
809   static const uint8_t table20_202_emit_[120];
810   static const uint8_t table20_203_emit_[68];
811   static const uint8_t table20_204_emit_[16];
812   static const uint8_t table20_205_emit_[16];
813   static const uint8_t table20_206_emit_[16];
814   static const uint8_t table20_207_emit_[36];
815   static const uint16_t table20_207_ops_[128];
816   static const uint8_t table20_208_emit_[120];
817   static const uint8_t table20_209_emit_[120];
818   static const uint8_t table20_210_emit_[68];
819   static const uint8_t table20_211_emit_[16];
820   static const uint8_t table20_212_emit_[16];
821   static const uint8_t table20_213_emit_[20];
822   static const uint16_t table20_213_ops_[128];
823   static const uint8_t table20_214_emit_[32];
824   static const uint16_t table20_214_ops_[128];
825   static const uint8_t table20_215_emit_[46];
826   static const uint16_t table20_215_ops_[128];
827   static const uint8_t table20_216_emit_[120];
828   static const uint8_t table20_217_emit_[120];
829   static const uint8_t table20_218_emit_[68];
830   static const uint8_t table20_219_emit_[16];
831   static const uint8_t table20_220_emit_[16];
832   static const uint8_t table20_221_emit_[20];
833   static const uint8_t table20_222_emit_[32];
834   static const uint8_t table20_223_emit_[46];
835   static const uint8_t table20_224_emit_[16];
836   static const uint8_t table20_225_emit_[28];
837   static const uint16_t table20_225_ops_[128];
838   static const uint8_t table20_226_emit_[36];
839   static const uint16_t table20_226_ops_[128];
840   static const uint8_t table20_227_emit_[68];
841   static const uint16_t table20_227_ops_[128];
842   static const uint8_t table20_228_emit_[16];
843   static const uint8_t table20_229_emit_[28];
844   static const uint8_t table20_230_emit_[36];
845   static const uint8_t table20_231_emit_[68];
846   static const uint8_t table20_232_emit_[16];
847   static const uint8_t table20_233_emit_[28];
848   static const uint8_t table20_234_emit_[36];
849   static const uint8_t table20_235_emit_[68];
850   static const uint8_t table20_236_emit_[16];
851   static const uint8_t table20_237_emit_[28];
852   static const uint8_t table20_238_emit_[36];
853   static const uint8_t table20_239_emit_[68];
854   static const uint8_t table20_240_emit_[16];
855   static const uint8_t table20_241_emit_[28];
856   static const uint8_t table20_242_emit_[36];
857   static const uint8_t table20_243_emit_[68];
858   static const uint8_t table20_244_emit_[16];
859   static const uint8_t table20_245_emit_[28];
860   static const uint8_t table20_246_emit_[36];
861   static const uint8_t table20_247_emit_[68];
862   static const uint8_t table20_248_emit_[44];
863   static const uint16_t table20_248_ops_[128];
864   static const uint8_t table20_249_emit_[104];
865   static const uint16_t table20_249_ops_[128];
866   static const uint8_t table20_250_emit_[44];
867   static const uint8_t table20_251_emit_[104];
868   static const uint8_t table20_252_emit_[136];
869   static const uint16_t table20_252_ops_[128];
870   static const uint8_t table20_253_emit_[136];
871   static const uint8_t table20_254_emit_[136];
872   static const uint8_t table20_255_emit_[50];
873   static const uint16_t table20_255_ops_[128];
874   static const uint8_t* const table20_emit_[256];
875   static const uint16_t* const table20_ops_[256];
876   static const uint8_t table7_0_emit_[1];
877   static const uint16_t table7_0_ops_[512];
878   static const uint8_t table7_16_emit_[1];
879   static const uint8_t table7_32_emit_[1];
880   static const uint8_t table7_48_emit_[1];
881   static const uint8_t table7_64_emit_[1];
882   static const uint8_t table7_80_emit_[1];
883   static const uint16_t table7_80_ops_[512];
884   static const uint8_t table7_88_emit_[1];
885   static const uint8_t table7_96_emit_[1];
886   static const uint8_t table7_104_emit_[1];
887   static const uint16_t table7_104_ops_[512];
888   static const uint8_t table7_108_emit_[1];
889   static const uint8_t table7_112_emit_[1];
890   static const uint16_t table7_112_ops_[512];
891   static const uint8_t table7_114_emit_[1];
892   static const uint8_t table7_116_emit_[1];
893   static const uint8_t table7_118_emit_[1];
894   static const uint8_t table7_120_emit_[1];
895   static const uint8_t table7_122_emit_[1];
896   static const uint8_t table7_124_emit_[1];
897   static const uint16_t table7_124_ops_[512];
898   static const uint8_t table7_125_emit_[1];
899   static const uint8_t table7_126_emit_[2];
900   static const uint16_t table7_126_ops_[512];
901   static const uint8_t table7_127_emit_[80];
902   static const uint16_t table7_127_ops_[512];
903   static const uint8_t* const table7_emit_[128];
904   static const uint16_t* const table7_ops_[128];
905   static const uint8_t table28_0_emit_[8];
906   static const uint8_t table28_0_inner_[8];
907   static const uint8_t table29_0_emit_[16];
908   static const uint8_t table29_0_inner_[16];
909   static const uint8_t table32_0_emit_[30];
910   static const uint8_t table32_0_ops_[32];
911   static const uint8_t table33_0_ops_[64];
912   static const uint8_t table30_0_emit_[7];
913   static const uint8_t table30_0_ops_[32];
914   static const uint8_t table30_1_emit_[8];
915   static const uint8_t table30_1_ops_[32];
916   static const uint8_t table30_2_emit_[8];
917   static const uint8_t table30_3_emit_[10];
918   static const uint8_t table30_3_ops_[32];
919   static const uint8_t* const table30_emit_[4];
920   static const uint8_t* const table30_ops_[4];
921   static const uint8_t table35_0_emit_[7];
922   static const uint8_t table35_0_inner_[8];
923   static const uint8_t table34_0_emit_[9];
924   static const uint8_t table34_0_inner_[9];
925 };
926 template <typename F>
927 class HuffDecoder : public HuffDecoderCommon {
928  public:
HuffDecoder(F sink,const uint8_t * begin,const uint8_t * end)929   HuffDecoder(F sink, const uint8_t* begin, const uint8_t* end)
930       : sink_(sink), begin_(begin), end_(end) {}
Run()931   bool Run() {
932     while (!done_) {
933       if (!RefillTo7()) {
934         Done0();
935         break;
936       }
937       const auto index = (buffer_ >> (buffer_len_ - 7)) & 0x7f;
938       const auto op = GetOp1(index);
939       const int consumed = op & 7;
940       buffer_len_ -= consumed;
941       const auto emit_ofs = op >> 6;
942       switch ((op >> 3) & 7) {
943         case 0: {
944           sink_(GetEmit1(index, emit_ofs + 0));
945           break;
946         }
947         case 1: {
948           DecodeStep0();
949           break;
950         }
951         case 2: {
952           DecodeStep1();
953           break;
954         }
955         case 3: {
956           DecodeStep2();
957           break;
958         }
959         case 4: {
960           DecodeStep3();
961           break;
962         }
963       }
964     }
965     return ok_;
966   }
967 
968  private:
RefillTo7()969   bool RefillTo7() {
970     switch (buffer_len_) {
971       case 0: {
972         return Read1to8Bytes();
973       }
974       case 1:
975       case 2:
976       case 3:
977       case 4:
978       case 5:
979       case 6: {
980         return Read1to7Bytes();
981       }
982     }
983     return true;
984   }
Read1to8Bytes()985   bool Read1to8Bytes() {
986     switch (end_ - begin_) {
987       case 0: {
988         return false;
989       }
990       case 1: {
991         Fill1();
992         return true;
993       }
994       case 2: {
995         Fill2();
996         return true;
997       }
998       case 3: {
999         Fill3();
1000         return true;
1001       }
1002       case 4: {
1003         Fill4();
1004         return true;
1005       }
1006       case 5: {
1007         Fill5();
1008         return true;
1009       }
1010       case 6: {
1011         Fill6();
1012         return true;
1013       }
1014       case 7: {
1015         Fill7();
1016         return true;
1017       }
1018       default: {
1019         Fill8();
1020         return true;
1021       }
1022     }
1023   }
Fill1()1024   void Fill1() {
1025     buffer_ = (buffer_ << 8) | (static_cast<uint64_t>(begin_[0]) << 0);
1026     begin_ += 1;
1027     buffer_len_ += 8;
1028   }
Fill2()1029   void Fill2() {
1030     buffer_ = (buffer_ << 16) | (static_cast<uint64_t>(begin_[0]) << 8) |
1031               (static_cast<uint64_t>(begin_[1]) << 0);
1032     begin_ += 2;
1033     buffer_len_ += 16;
1034   }
Fill3()1035   void Fill3() {
1036     buffer_ = (buffer_ << 24) | (static_cast<uint64_t>(begin_[0]) << 16) |
1037               (static_cast<uint64_t>(begin_[1]) << 8) |
1038               (static_cast<uint64_t>(begin_[2]) << 0);
1039     begin_ += 3;
1040     buffer_len_ += 24;
1041   }
Fill4()1042   void Fill4() {
1043     buffer_ = (buffer_ << 32) | (static_cast<uint64_t>(begin_[0]) << 24) |
1044               (static_cast<uint64_t>(begin_[1]) << 16) |
1045               (static_cast<uint64_t>(begin_[2]) << 8) |
1046               (static_cast<uint64_t>(begin_[3]) << 0);
1047     begin_ += 4;
1048     buffer_len_ += 32;
1049   }
Fill5()1050   void Fill5() {
1051     buffer_ = (buffer_ << 40) | (static_cast<uint64_t>(begin_[0]) << 32) |
1052               (static_cast<uint64_t>(begin_[1]) << 24) |
1053               (static_cast<uint64_t>(begin_[2]) << 16) |
1054               (static_cast<uint64_t>(begin_[3]) << 8) |
1055               (static_cast<uint64_t>(begin_[4]) << 0);
1056     begin_ += 5;
1057     buffer_len_ += 40;
1058   }
Fill6()1059   void Fill6() {
1060     buffer_ = (buffer_ << 48) | (static_cast<uint64_t>(begin_[0]) << 40) |
1061               (static_cast<uint64_t>(begin_[1]) << 32) |
1062               (static_cast<uint64_t>(begin_[2]) << 24) |
1063               (static_cast<uint64_t>(begin_[3]) << 16) |
1064               (static_cast<uint64_t>(begin_[4]) << 8) |
1065               (static_cast<uint64_t>(begin_[5]) << 0);
1066     begin_ += 6;
1067     buffer_len_ += 48;
1068   }
Fill7()1069   void Fill7() {
1070     buffer_ = (buffer_ << 56) | (static_cast<uint64_t>(begin_[0]) << 48) |
1071               (static_cast<uint64_t>(begin_[1]) << 40) |
1072               (static_cast<uint64_t>(begin_[2]) << 32) |
1073               (static_cast<uint64_t>(begin_[3]) << 24) |
1074               (static_cast<uint64_t>(begin_[4]) << 16) |
1075               (static_cast<uint64_t>(begin_[5]) << 8) |
1076               (static_cast<uint64_t>(begin_[6]) << 0);
1077     begin_ += 7;
1078     buffer_len_ += 56;
1079   }
Fill8()1080   void Fill8() {
1081     buffer_ = 0 | (static_cast<uint64_t>(begin_[0]) << 56) |
1082               (static_cast<uint64_t>(begin_[1]) << 48) |
1083               (static_cast<uint64_t>(begin_[2]) << 40) |
1084               (static_cast<uint64_t>(begin_[3]) << 32) |
1085               (static_cast<uint64_t>(begin_[4]) << 24) |
1086               (static_cast<uint64_t>(begin_[5]) << 16) |
1087               (static_cast<uint64_t>(begin_[6]) << 8) |
1088               (static_cast<uint64_t>(begin_[7]) << 0);
1089     begin_ += 8;
1090     buffer_len_ += 64;
1091   }
Read1to7Bytes()1092   bool Read1to7Bytes() {
1093     switch (end_ - begin_) {
1094       case 0: {
1095         return false;
1096       }
1097       case 1: {
1098         Fill1();
1099         return true;
1100       }
1101       case 2: {
1102         Fill2();
1103         return true;
1104       }
1105       case 3: {
1106         Fill3();
1107         return true;
1108       }
1109       case 4: {
1110         Fill4();
1111         return true;
1112       }
1113       case 5: {
1114         Fill5();
1115         return true;
1116       }
1117       case 6: {
1118         Fill6();
1119         return true;
1120       }
1121       default: {
1122         Fill7();
1123         return true;
1124       }
1125     }
1126   }
Done0()1127   void Done0() {
1128     done_ = true;
1129     switch (buffer_len_) {
1130       case 1:
1131       case 2:
1132       case 3:
1133       case 4: {
1134         ok_ = (buffer_ & ((1 << buffer_len_) - 1)) == (1 << buffer_len_) - 1;
1135         return;
1136       }
1137       case 5: {
1138         const auto index = buffer_ & 31;
1139         const auto op = GetOp2(index);
1140         switch (op & 3) {
1141           case 0: {
1142             sink_(GetEmit2(index, (op >> 2) + 0));
1143             break;
1144           }
1145           case 1: {
1146             ok_ = false;
1147             break;
1148           }
1149         }
1150         return;
1151       }
1152       case 6: {
1153         const auto index = buffer_ & 63;
1154         const auto op = GetOp3(index);
1155         switch (op & 3) {
1156           case 0: {
1157             ok_ = false;
1158             break;
1159           }
1160           case 1: {
1161             sink_(GetEmit3(index, (op >> 2) + 0));
1162             break;
1163           }
1164         }
1165         return;
1166       }
1167       case 0: {
1168         return;
1169       }
1170     }
1171   }
DecodeStep0()1172   void DecodeStep0() {
1173     if (!RefillTo1()) {
1174       Done1();
1175       return;
1176     }
1177     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1178     const auto op = GetOp4(index);
1179     const int consumed = op & 1;
1180     buffer_len_ -= consumed;
1181     const auto emit_ofs = op >> 1;
1182     sink_(GetEmit4(index, emit_ofs + 0));
1183   }
RefillTo1()1184   bool RefillTo1() {
1185     switch (buffer_len_) {
1186       case 0: {
1187         return Read1to8Bytes();
1188       }
1189     }
1190     return true;
1191   }
Done1()1192   void Done1() {
1193     done_ = true;
1194     ok_ = false;
1195   }
DecodeStep1()1196   void DecodeStep1() {
1197     if (!RefillTo1()) {
1198       Done2();
1199       return;
1200     }
1201     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1202     const auto op = GetOp5(index);
1203     const int consumed = op & 1;
1204     buffer_len_ -= consumed;
1205     const auto emit_ofs = op >> 1;
1206     sink_(GetEmit5(index, emit_ofs + 0));
1207   }
Done2()1208   void Done2() {
1209     done_ = true;
1210     ok_ = false;
1211   }
DecodeStep2()1212   void DecodeStep2() {
1213     if (!RefillTo1()) {
1214       Done3();
1215       return;
1216     }
1217     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1218     const auto op = GetOp6(index);
1219     const int consumed = op & 1;
1220     buffer_len_ -= consumed;
1221     const auto emit_ofs = op >> 1;
1222     sink_(GetEmit6(index, emit_ofs + 0));
1223   }
Done3()1224   void Done3() {
1225     done_ = true;
1226     ok_ = false;
1227   }
DecodeStep3()1228   void DecodeStep3() {
1229     if (!RefillTo16()) {
1230       Done4();
1231       return;
1232     }
1233     const auto index = (buffer_ >> (buffer_len_ - 16)) & 0xffff;
1234     const auto op = GetOp7(index);
1235     const int consumed = op & 31;
1236     buffer_len_ -= consumed;
1237     const auto emit_ofs = op >> 9;
1238     switch ((op >> 5) & 15) {
1239       case 0: {
1240         sink_(GetEmit7(index, emit_ofs + 0));
1241         break;
1242       }
1243       case 1: {
1244         DecodeStep4();
1245         break;
1246       }
1247       case 2: {
1248         DecodeStep5();
1249         break;
1250       }
1251       case 3: {
1252         DecodeStep6();
1253         break;
1254       }
1255       case 4: {
1256         DecodeStep7();
1257         break;
1258       }
1259       case 5: {
1260         DecodeStep8();
1261         break;
1262       }
1263       case 6: {
1264         DecodeStep9();
1265         break;
1266       }
1267       case 7: {
1268         DecodeStep10();
1269         break;
1270       }
1271       case 8: {
1272         DecodeStep11();
1273         break;
1274       }
1275       case 9: {
1276         DecodeStep14();
1277         break;
1278       }
1279       case 10: {
1280         DecodeStep12();
1281         break;
1282       }
1283       case 11: {
1284         DecodeStep13();
1285         break;
1286       }
1287     }
1288   }
RefillTo16()1289   bool RefillTo16() {
1290     switch (buffer_len_) {
1291       case 0: {
1292         return Read2to8Bytes();
1293       }
1294       case 1:
1295       case 2:
1296       case 3:
1297       case 4:
1298       case 5:
1299       case 6:
1300       case 7: {
1301         return Read2to7Bytes();
1302       }
1303       case 8: {
1304         return Read1to7Bytes();
1305       }
1306       case 9:
1307       case 10:
1308       case 11:
1309       case 12:
1310       case 13:
1311       case 14:
1312       case 15: {
1313         return Read1to6Bytes();
1314       }
1315     }
1316     return true;
1317   }
Read2to8Bytes()1318   bool Read2to8Bytes() {
1319     switch (end_ - begin_) {
1320       case 0:
1321       case 1: {
1322         return false;
1323       }
1324       case 2: {
1325         Fill2();
1326         return true;
1327       }
1328       case 3: {
1329         Fill3();
1330         return true;
1331       }
1332       case 4: {
1333         Fill4();
1334         return true;
1335       }
1336       case 5: {
1337         Fill5();
1338         return true;
1339       }
1340       case 6: {
1341         Fill6();
1342         return true;
1343       }
1344       case 7: {
1345         Fill7();
1346         return true;
1347       }
1348       default: {
1349         Fill8();
1350         return true;
1351       }
1352     }
1353   }
Read2to7Bytes()1354   bool Read2to7Bytes() {
1355     switch (end_ - begin_) {
1356       case 0:
1357       case 1: {
1358         return false;
1359       }
1360       case 2: {
1361         Fill2();
1362         return true;
1363       }
1364       case 3: {
1365         Fill3();
1366         return true;
1367       }
1368       case 4: {
1369         Fill4();
1370         return true;
1371       }
1372       case 5: {
1373         Fill5();
1374         return true;
1375       }
1376       case 6: {
1377         Fill6();
1378         return true;
1379       }
1380       default: {
1381         Fill7();
1382         return true;
1383       }
1384     }
1385   }
Read1to6Bytes()1386   bool Read1to6Bytes() {
1387     switch (end_ - begin_) {
1388       case 0: {
1389         return false;
1390       }
1391       case 1: {
1392         Fill1();
1393         return true;
1394       }
1395       case 2: {
1396         Fill2();
1397         return true;
1398       }
1399       case 3: {
1400         Fill3();
1401         return true;
1402       }
1403       case 4: {
1404         Fill4();
1405         return true;
1406       }
1407       case 5: {
1408         Fill5();
1409         return true;
1410       }
1411       default: {
1412         Fill6();
1413         return true;
1414       }
1415     }
1416   }
Done4()1417   void Done4() {
1418     done_ = true;
1419     switch (end_ - begin_) {
1420       case 1: {
1421         Fill1();
1422         break;
1423       }
1424     }
1425     switch (buffer_len_) {
1426       case 1:
1427       case 2: {
1428         ok_ = (buffer_ & ((1 << buffer_len_) - 1)) == (1 << buffer_len_) - 1;
1429         return;
1430       }
1431       case 3: {
1432         const auto index = buffer_ & 7;
1433         const auto op = GetOp8(index);
1434         switch (op & 3) {
1435           case 0: {
1436             sink_(GetEmit8(index, (op >> 2) + 0));
1437             break;
1438           }
1439           case 1: {
1440             ok_ = false;
1441             break;
1442           }
1443         }
1444         return;
1445       }
1446       case 4: {
1447         const auto index = buffer_ & 15;
1448         const auto op = GetOp9(index);
1449         switch (op & 3) {
1450           case 0: {
1451             ok_ = false;
1452             break;
1453           }
1454           case 1: {
1455             sink_(GetEmit9(index, (op >> 2) + 0));
1456             break;
1457           }
1458         }
1459         return;
1460       }
1461       case 5: {
1462         const auto index = buffer_ & 31;
1463         const auto op = GetOp10(index);
1464         switch (op & 3) {
1465           case 0: {
1466             ok_ = false;
1467             break;
1468           }
1469           case 1: {
1470             sink_(GetEmit10(index, (op >> 2) + 0));
1471             break;
1472           }
1473         }
1474         return;
1475       }
1476       case 6: {
1477         const auto index = buffer_ & 63;
1478         const auto op = GetOp11(index);
1479         switch (op & 3) {
1480           case 0: {
1481             ok_ = false;
1482             break;
1483           }
1484           case 1: {
1485             sink_(GetEmit11(index, (op >> 2) + 0));
1486             break;
1487           }
1488         }
1489         return;
1490       }
1491       case 7: {
1492         const auto index = buffer_ & 127;
1493         const auto op = GetOp12(index);
1494         switch (op & 3) {
1495           case 0: {
1496             ok_ = false;
1497             break;
1498           }
1499           case 1: {
1500             sink_(GetEmit12(index, (op >> 2) + 0));
1501             break;
1502           }
1503         }
1504         return;
1505       }
1506       case 8: {
1507         const auto index = buffer_ & 255;
1508         const auto op = GetOp13(index);
1509         switch (op & 3) {
1510           case 0: {
1511             sink_(GetEmit13(index, (op >> 2) + 0));
1512             sink_(GetEmit13(index, (op >> 2) + 1));
1513             break;
1514           }
1515           case 1: {
1516             ok_ = false;
1517             break;
1518           }
1519           case 2: {
1520             sink_(GetEmit13(index, (op >> 2) + 0));
1521             break;
1522           }
1523         }
1524         return;
1525       }
1526       case 9: {
1527         const auto index = buffer_ & 511;
1528         const auto op = GetOp14(index);
1529         switch (op & 3) {
1530           case 0: {
1531             ok_ = false;
1532             break;
1533           }
1534           case 1: {
1535             sink_(GetEmit14(index, (op >> 2) + 0));
1536             sink_(GetEmit14(index, (op >> 2) + 1));
1537             break;
1538           }
1539           case 2: {
1540             sink_(GetEmit14(index, (op >> 2) + 0));
1541             break;
1542           }
1543         }
1544         return;
1545       }
1546       case 10: {
1547         const auto index = buffer_ & 1023;
1548         const auto op = GetOp15(index);
1549         switch (op & 3) {
1550           case 0: {
1551             ok_ = false;
1552             break;
1553           }
1554           case 1: {
1555             sink_(GetEmit15(index, (op >> 2) + 0));
1556             sink_(GetEmit15(index, (op >> 2) + 1));
1557             break;
1558           }
1559           case 2: {
1560             sink_(GetEmit15(index, (op >> 2) + 0));
1561             break;
1562           }
1563         }
1564         return;
1565       }
1566       case 11: {
1567         const auto index = buffer_ & 2047;
1568         const auto op = GetOp16(index);
1569         switch (op & 3) {
1570           case 0: {
1571             ok_ = false;
1572             break;
1573           }
1574           case 1: {
1575             sink_(GetEmit16(index, (op >> 2) + 0));
1576             sink_(GetEmit16(index, (op >> 2) + 1));
1577             break;
1578           }
1579           case 2: {
1580             sink_(GetEmit16(index, (op >> 2) + 0));
1581             break;
1582           }
1583         }
1584         return;
1585       }
1586       case 12: {
1587         const auto index = buffer_ & 4095;
1588         const auto op = GetOp17(index);
1589         switch (op & 3) {
1590           case 0: {
1591             ok_ = false;
1592             break;
1593           }
1594           case 1: {
1595             sink_(GetEmit17(index, (op >> 2) + 0));
1596             sink_(GetEmit17(index, (op >> 2) + 1));
1597             break;
1598           }
1599           case 2: {
1600             sink_(GetEmit17(index, (op >> 2) + 0));
1601             break;
1602           }
1603         }
1604         return;
1605       }
1606       case 13: {
1607         const auto index = buffer_ & 8191;
1608         const auto op = GetOp18(index);
1609         switch (op & 7) {
1610           case 0: {
1611             sink_(GetEmit18(index, (op >> 3) + 0));
1612             sink_(GetEmit18(index, (op >> 3) + 1));
1613             sink_(GetEmit18(index, (op >> 3) + 2));
1614             break;
1615           }
1616           case 1: {
1617             ok_ = false;
1618             break;
1619           }
1620           case 2: {
1621             sink_(GetEmit18(index, (op >> 3) + 0));
1622             sink_(GetEmit18(index, (op >> 3) + 1));
1623             break;
1624           }
1625           case 3: {
1626             sink_(GetEmit18(index, (op >> 3) + 0));
1627             break;
1628           }
1629         }
1630         return;
1631       }
1632       case 14: {
1633         const auto index = buffer_ & 16383;
1634         const auto op = GetOp19(index);
1635         switch (op & 7) {
1636           case 0: {
1637             ok_ = false;
1638             break;
1639           }
1640           case 1: {
1641             sink_(GetEmit19(index, (op >> 3) + 0));
1642             sink_(GetEmit19(index, (op >> 3) + 1));
1643             sink_(GetEmit19(index, (op >> 3) + 2));
1644             break;
1645           }
1646           case 2: {
1647             sink_(GetEmit19(index, (op >> 3) + 0));
1648             sink_(GetEmit19(index, (op >> 3) + 1));
1649             break;
1650           }
1651           case 3: {
1652             sink_(GetEmit19(index, (op >> 3) + 0));
1653             break;
1654           }
1655         }
1656         return;
1657       }
1658       case 15: {
1659         const auto index = buffer_ & 32767;
1660         const auto op = GetOp20(index);
1661         switch (op & 7) {
1662           case 0: {
1663             ok_ = false;
1664             break;
1665           }
1666           case 1: {
1667             sink_(GetEmit20(index, (op >> 3) + 0));
1668             sink_(GetEmit20(index, (op >> 3) + 1));
1669             sink_(GetEmit20(index, (op >> 3) + 2));
1670             break;
1671           }
1672           case 2: {
1673             sink_(GetEmit20(index, (op >> 3) + 0));
1674             sink_(GetEmit20(index, (op >> 3) + 1));
1675             break;
1676           }
1677           case 3: {
1678             sink_(GetEmit20(index, (op >> 3) + 0));
1679             break;
1680           }
1681         }
1682         return;
1683       }
1684       case 0: {
1685         return;
1686       }
1687     }
1688   }
DecodeStep4()1689   void DecodeStep4() {
1690     if (!RefillTo1()) {
1691       Done5();
1692       return;
1693     }
1694     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1695     const auto op = GetOp21(index);
1696     const int consumed = op & 1;
1697     buffer_len_ -= consumed;
1698     const auto emit_ofs = op >> 1;
1699     sink_(GetEmit21(index, emit_ofs + 0));
1700   }
Done5()1701   void Done5() {
1702     done_ = true;
1703     ok_ = false;
1704   }
DecodeStep5()1705   void DecodeStep5() {
1706     if (!RefillTo1()) {
1707       Done6();
1708       return;
1709     }
1710     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1711     const auto op = GetOp22(index);
1712     const int consumed = op & 1;
1713     buffer_len_ -= consumed;
1714     const auto emit_ofs = op >> 1;
1715     sink_(GetEmit22(index, emit_ofs + 0));
1716   }
Done6()1717   void Done6() {
1718     done_ = true;
1719     ok_ = false;
1720   }
DecodeStep6()1721   void DecodeStep6() {
1722     if (!RefillTo1()) {
1723       Done7();
1724       return;
1725     }
1726     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1727     const auto op = GetOp23(index);
1728     const int consumed = op & 1;
1729     buffer_len_ -= consumed;
1730     const auto emit_ofs = op >> 1;
1731     sink_(GetEmit23(index, emit_ofs + 0));
1732   }
Done7()1733   void Done7() {
1734     done_ = true;
1735     ok_ = false;
1736   }
DecodeStep7()1737   void DecodeStep7() {
1738     if (!RefillTo1()) {
1739       Done8();
1740       return;
1741     }
1742     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1743     const auto op = GetOp24(index);
1744     const int consumed = op & 1;
1745     buffer_len_ -= consumed;
1746     const auto emit_ofs = op >> 1;
1747     sink_(GetEmit24(index, emit_ofs + 0));
1748   }
Done8()1749   void Done8() {
1750     done_ = true;
1751     ok_ = false;
1752   }
DecodeStep8()1753   void DecodeStep8() {
1754     if (!RefillTo1()) {
1755       Done9();
1756       return;
1757     }
1758     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1759     const auto op = GetOp25(index);
1760     const int consumed = op & 1;
1761     buffer_len_ -= consumed;
1762     const auto emit_ofs = op >> 1;
1763     sink_(GetEmit25(index, emit_ofs + 0));
1764   }
Done9()1765   void Done9() {
1766     done_ = true;
1767     ok_ = false;
1768   }
DecodeStep9()1769   void DecodeStep9() {
1770     if (!RefillTo1()) {
1771       Done10();
1772       return;
1773     }
1774     const auto index = (buffer_ >> (buffer_len_ - 1)) & 0x1;
1775     const auto op = GetOp26(index);
1776     const int consumed = op & 1;
1777     buffer_len_ -= consumed;
1778     const auto emit_ofs = op >> 1;
1779     sink_(GetEmit26(index, emit_ofs + 0));
1780   }
Done10()1781   void Done10() {
1782     done_ = true;
1783     ok_ = false;
1784   }
DecodeStep10()1785   void DecodeStep10() {
1786     if (!RefillTo2()) {
1787       Done11();
1788       return;
1789     }
1790     const auto index = (buffer_ >> (buffer_len_ - 2)) & 0x3;
1791     const auto op = GetOp27(index);
1792     const int consumed = op & 3;
1793     buffer_len_ -= consumed;
1794     const auto emit_ofs = op >> 2;
1795     sink_(GetEmit27(index, emit_ofs + 0));
1796   }
RefillTo2()1797   bool RefillTo2() {
1798     switch (buffer_len_) {
1799       case 0: {
1800         return Read1to8Bytes();
1801       }
1802       case 1: {
1803         return Read1to7Bytes();
1804       }
1805     }
1806     return true;
1807   }
Done11()1808   void Done11() {
1809     done_ = true;
1810     switch (buffer_len_) {
1811       case 1:
1812       case 0: {
1813         ok_ = false;
1814         return;
1815       }
1816     }
1817   }
DecodeStep11()1818   void DecodeStep11() {
1819     if (!RefillTo3()) {
1820       Done12();
1821       return;
1822     }
1823     const auto index = (buffer_ >> (buffer_len_ - 3)) & 0x7;
1824     const auto op = GetOp28(index);
1825     const int consumed = op & 3;
1826     buffer_len_ -= consumed;
1827     const auto emit_ofs = op >> 2;
1828     sink_(GetEmit28(index, emit_ofs + 0));
1829   }
RefillTo3()1830   bool RefillTo3() {
1831     switch (buffer_len_) {
1832       case 0: {
1833         return Read1to8Bytes();
1834       }
1835       case 1:
1836       case 2: {
1837         return Read1to7Bytes();
1838       }
1839     }
1840     return true;
1841   }
Done12()1842   void Done12() {
1843     done_ = true;
1844     switch (buffer_len_) {
1845       case 1:
1846       case 2:
1847       case 0: {
1848         ok_ = false;
1849         return;
1850       }
1851     }
1852   }
DecodeStep12()1853   void DecodeStep12() {
1854     if (!RefillTo4()) {
1855       Done13();
1856       return;
1857     }
1858     const auto index = (buffer_ >> (buffer_len_ - 4)) & 0xf;
1859     const auto op = GetOp29(index);
1860     const int consumed = op & 7;
1861     buffer_len_ -= consumed;
1862     const auto emit_ofs = op >> 3;
1863     sink_(GetEmit29(index, emit_ofs + 0));
1864   }
RefillTo4()1865   bool RefillTo4() {
1866     switch (buffer_len_) {
1867       case 0: {
1868         return Read1to8Bytes();
1869       }
1870       case 1:
1871       case 2:
1872       case 3: {
1873         return Read1to7Bytes();
1874       }
1875     }
1876     return true;
1877   }
Done13()1878   void Done13() {
1879     done_ = true;
1880     switch (buffer_len_) {
1881       case 1:
1882       case 2:
1883       case 3:
1884       case 0: {
1885         ok_ = false;
1886         return;
1887       }
1888     }
1889   }
DecodeStep13()1890   void DecodeStep13() {
1891     if (!RefillTo7()) {
1892       Done14();
1893       return;
1894     }
1895     const auto index = (buffer_ >> (buffer_len_ - 7)) & 0x7f;
1896     const auto op = GetOp30(index);
1897     const int consumed = op & 7;
1898     buffer_len_ -= consumed;
1899     const auto emit_ofs = op >> 4;
1900     switch ((op >> 3) & 1) {
1901       case 0: {
1902         sink_(GetEmit30(index, emit_ofs + 0));
1903         break;
1904       }
1905       case 1: {
1906         begin_ = end_;
1907         buffer_len_ = 0;
1908         break;
1909       }
1910     }
1911   }
Done14()1912   void Done14() {
1913     done_ = true;
1914     switch (buffer_len_) {
1915       case 1:
1916       case 2:
1917       case 3: {
1918         ok_ = (buffer_ & ((1 << buffer_len_) - 1)) == (1 << buffer_len_) - 1;
1919         return;
1920       }
1921       case 4: {
1922         const auto index = buffer_ & 15;
1923         const auto op = GetOp31(index);
1924         switch (op & 3) {
1925           case 0: {
1926             sink_(GetEmit31(index, (op >> 2) + 0));
1927             break;
1928           }
1929           case 1: {
1930             ok_ = false;
1931             break;
1932           }
1933         }
1934         return;
1935       }
1936       case 5: {
1937         const auto index = buffer_ & 31;
1938         const auto op = GetOp32(index);
1939         switch (op & 3) {
1940           case 0: {
1941             ok_ = false;
1942             break;
1943           }
1944           case 1: {
1945             sink_(GetEmit32(index, (op >> 2) + 0));
1946             break;
1947           }
1948         }
1949         return;
1950       }
1951       case 6: {
1952         const auto index = buffer_ & 63;
1953         const auto op = GetOp33(index);
1954         switch (op & 3) {
1955           case 0: {
1956             ok_ = false;
1957             break;
1958           }
1959           case 1: {
1960             sink_(GetEmit33(index, (op >> 2) + 0));
1961             break;
1962           }
1963         }
1964         return;
1965       }
1966       case 0: {
1967         return;
1968       }
1969     }
1970   }
DecodeStep14()1971   void DecodeStep14() {
1972     if (!RefillTo4()) {
1973       Done15();
1974       return;
1975     }
1976     const auto index = (buffer_ >> (buffer_len_ - 4)) & 0xf;
1977     const auto op = GetOp34(index);
1978     const int consumed = op & 7;
1979     buffer_len_ -= consumed;
1980     const auto emit_ofs = op >> 3;
1981     sink_(GetEmit34(index, emit_ofs + 0));
1982   }
Done15()1983   void Done15() {
1984     done_ = true;
1985     switch (buffer_len_) {
1986       case 1:
1987       case 2:
1988       case 0: {
1989         ok_ = false;
1990         return;
1991       }
1992       case 3: {
1993         const auto index = buffer_ & 7;
1994         const auto op = GetOp35(index);
1995         switch (op & 1) {
1996           case 0: {
1997             sink_(GetEmit35(index, (op >> 1) + 0));
1998             break;
1999           }
2000           case 1: {
2001             ok_ = false;
2002             break;
2003           }
2004         }
2005         return;
2006       }
2007     }
2008   }
2009   F sink_;
2010   const uint8_t* begin_;
2011   const uint8_t* const end_;
2012   uint64_t buffer_ = 0;
2013   int buffer_len_ = 0;
2014   bool ok_ = true;
2015   bool done_ = false;
2016 };
2017 }  // namespace geometry_7_16_7
2018 }  // namespace grpc_core
2019 #endif  // GRPC_TEST_CPP_MICROBENCHMARKS_HUFFMAN_GEOMETRIES_DECODE_HUFF_7_16_7_H
2020