| John Kessenich | 9c86c6a | 2016-05-03 22:49:24 -0600 | [diff] [blame^] | 1 | // |
| 2 | //Copyright (C) 2016 Google, Inc. |
| 3 | // |
| 4 | //All rights reserved. |
| 5 | // |
| 6 | //Redistribution and use in source and binary forms, with or without |
| 7 | //modification, are permitted provided that the following conditions |
| 8 | //are met: |
| 9 | // |
| 10 | // Redistributions of source code must retain the above copyright |
| 11 | // notice, this list of conditions and the following disclaimer. |
| 12 | // |
| 13 | // Redistributions in binary form must reproduce the above |
| 14 | // copyright notice, this list of conditions and the following |
| 15 | // disclaimer in the documentation and/or other materials provided |
| 16 | // with the distribution. |
| 17 | // |
| 18 | // Neither the name of Google, Inc., nor the names of its |
| 19 | // contributors may be used to endorse or promote products derived |
| 20 | // from this software without specific prior written permission. |
| 21 | // |
| 22 | //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 23 | //"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 24 | //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 25 | //FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 26 | //COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 27 | //INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 28 | //BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 29 | //LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 30 | //CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 31 | //LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 32 | //ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 33 | //POSSIBILITY OF SUCH DAMAGE. |
| 34 | // |
| 35 | |
| 36 | #ifndef HLSLTOKENSTREAM_H_ |
| 37 | #define HLSLTOKENSTREAM_H_ |
| 38 | |
| 39 | #include "hlslScanContext.h" |
| 40 | |
| 41 | namespace glslang { |
| 42 | |
| 43 | class HlslTokenStream { |
| 44 | public: |
| 45 | HlslTokenStream(HlslScanContext& scanner) |
| 46 | : scanner(scanner) { } |
| 47 | virtual ~HlslTokenStream() { } |
| 48 | |
| 49 | public: |
| 50 | void advanceToken(); |
| 51 | bool acceptTokenClass(EHlslTokenClass); |
| 52 | EHlslTokenClass peek() const; |
| 53 | bool peekTokenClass(EHlslTokenClass) const; |
| 54 | |
| 55 | protected: |
| 56 | HlslToken token; // the current token we are processing |
| 57 | |
| 58 | private: |
| 59 | HlslScanContext& scanner; // lexical scanner, to get next token |
| 60 | }; |
| 61 | |
| 62 | } // end namespace glslang |
| 63 | |
| 64 | #endif // HLSLTOKENSTREAM_H_ |