1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. 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 16 #ifndef TENSORFLOW_COMPILER_XLA_TOOLS_PARSER_HLO_TOKEN_H_ 17 #define TENSORFLOW_COMPILER_XLA_TOOLS_PARSER_HLO_TOKEN_H_ 18 19 #include <string> 20 21 #include "tensorflow/compiler/xla/types.h" 22 #include "tensorflow/core/platform/types.h" 23 24 namespace xla { 25 namespace tools { 26 27 // Defines different kinds of tokens in a hlo module string. 28 enum class TokKind { 29 // Markers 30 kEof, 31 kError, 32 33 // Tokens with no info. 34 kEqual, // = 35 kComma, // , 36 kColon, // : 37 kLsquare, 38 kRsquare, // [ ] 39 kLbrace, 40 kRbrace, // { } 41 kLparen, 42 kRparen, // ( ) 43 44 kArrow, // -> 45 kComment, // /*xxx*/ 46 47 // Keywords 48 kw_HloModule, 49 kw_ENTRY, 50 kw_ROOT, 51 kw_true, 52 kw_false, 53 kw_maximal, 54 kw_replicated, 55 kw_nan, 56 kw_inf, 57 58 kNegInf, // -inf 59 60 // Typed tokens. 61 kName, // %foo 62 kAttributeName, // dimensions= 63 kDimLabels, // [0-9bf]{2,}_[0-9io]{2,}->[0-9bf]{2,} 64 kDxD, // [0-9]+(x[0-9]+)+ 65 kPad, // [0-9]+_[0-9]+(_[0-9]+)?(x[0-9]+_[0-9]+(_[0-9]+)?)* 66 kIdent, // other identifiers 67 kString, // "abcd\"\n" 68 kShape, // f32[2,3]{1,0} 69 kInt, // 42 70 kDecimal, // 4.2 71 }; 72 73 string TokKindToString(TokKind kind); 74 75 } // namespace tools 76 } // namespace xla 77 78 #endif // TENSORFLOW_COMPILER_XLA_TOOLS_PARSER_HLO_TOKEN_H_ 79