1 /*---------------------------------------------------------------------------* 2 * SR_LexicalAnalyzer.h * 3 * * 4 * Copyright 2007, 2008 Nuance Communciations, Inc. * 5 * * 6 * Licensed under the Apache License, Version 2.0 (the 'License'); * 7 * you may not use this file except in compliance with the License. * 8 * * 9 * You may obtain a copy of the License at * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, software * 13 * distributed under the License is distributed on an 'AS IS' BASIS, * 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 15 * See the License for the specific language governing permissions and * 16 * limitations under the License. * 17 * * 18 *---------------------------------------------------------------------------*/ 19 20 #ifndef __SR_LEXICAL_ANALYZER_H 21 #define __SR_LEXICAL_ANALYZER_H 22 23 24 25 #include "SR_SemprocPrefix.h" 26 #include "SR_SemprocDefinitions.h" 27 28 #include "ptypes.h" 29 #include "pstdio.h" 30 31 #include "ESR_ReturnCode.h" 32 33 /** 34 * The Lexical Analyzer 35 */ 36 typedef struct LexicalAnalyzer_t 37 { 38 /** 39 * Pointer to the script to analyze . 40 */ 41 LCHAR* script; 42 43 /** 44 * Pointer to the next token in the script. 45 */ 46 LCHAR* nextToken; 47 48 } 49 LexicalAnalyzer; 50 51 /** 52 * Create and Initialize 53 * @param self pointer to the newly created object 54 */ 55 SREC_SEMPROC_API ESR_ReturnCode LA_Init(LexicalAnalyzer **self); 56 57 /** 58 * Startup the analysis 59 * @param self pointer to Lexical Analyzer 60 * @param script pointer to the script to analyze 61 */ 62 SREC_SEMPROC_API ESR_ReturnCode LA_Analyze(LexicalAnalyzer *self, LCHAR *script); 63 64 /** 65 * Free 66 * @param self pointer to Lexical Analyzer 67 */ 68 SREC_SEMPROC_API ESR_ReturnCode LA_Free(LexicalAnalyzer *self); 69 70 /** 71 * Gets the next token. 72 * @param self pointer to Lexical Analyzer 73 * @param token buffer to hold the next token 74 * @param tokenLen length of token 75 */ 76 SREC_SEMPROC_API ESR_ReturnCode LA_nextToken(LexicalAnalyzer *self, LCHAR* token, size_t* tokenLen); 77 78 79 #endif /* __LEXICAL_ANALYZER_H */ 80