/* * Copyright (c) 2024 Ross Cunniff * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ typedef struct { int state; // The current state int res; // The detected token, from TOK_* below unsigned int isUnsigned : 1; // The token has an unsigned suffix unsigned int isSized : 1; // The token has a size suffix unsigned int isHex : 1; // The token is e.g. 0x... unsigned int isBinary : 1; // The token is e.g. 0b... unsigned int doAdd : 1; // The input char is part of a token } TokenState; // Possible token types distinguished by the state machine #define TOK_UNKNOWN 1 #define TOK_INTCON 2 #define TOK_NAME 3 #define TOK_FLOATCON 4 #define TOK_DOT 5 #define TOK_DOTDOTDOT 6 #define TOK_LSTRING 7 #define TOK_LCHARCON 8 // State machine functions void OADL_InitTokenState(TokenState *st); void OADL_TokenStateMachine(TokenState *st, int ch);