1f7923656Sespie #ifndef FOR_H 2f7923656Sespie #define FOR_H 3*bb4544dfSespie /* $OpenBSD: for.h,v 1.5 2010/07/19 19:46:44 espie Exp $ */ 4f7923656Sespie /* 5f7923656Sespie * Copyright (c) 2001 Marc Espie. 6f7923656Sespie * 7f7923656Sespie * Redistribution and use in source and binary forms, with or without 8f7923656Sespie * modification, are permitted provided that the following conditions 9f7923656Sespie * are met: 10f7923656Sespie * 1. Redistributions of source code must retain the above copyright 11f7923656Sespie * notice, this list of conditions and the following disclaimer. 12f7923656Sespie * 2. Redistributions in binary form must reproduce the above copyright 13f7923656Sespie * notice, this list of conditions and the following disclaimer in the 14f7923656Sespie * documentation and/or other materials provided with the distribution. 15f7923656Sespie * 16f7923656Sespie * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS 17f7923656Sespie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18f7923656Sespie * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19f7923656Sespie * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD 20f7923656Sespie * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21f7923656Sespie * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22f7923656Sespie * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23f7923656Sespie * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24f7923656Sespie * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25f7923656Sespie * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26f7923656Sespie * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27f7923656Sespie */ 28f7923656Sespie 29f7923656Sespie 30f7923656Sespie /* 31f7923656Sespie * for 32f7923656Sespie * Functions to handle loops in a makefile. 33f7923656Sespie */ 34f7923656Sespie 35f7923656Sespie struct For_; 36f7923656Sespie typedef struct For_ For; 37f7923656Sespie /* handle = For_Eval(line); 38f7923656Sespie * Evaluate for loop in line, and returns an opaque handle. 39f7923656Sespie * Loop lines are parsed as 40c3d4a025Sespie * <variable1> ... in <values> 41c3d4a025Sespie * assuming .for has been parsed by previous modules. 42c3d4a025Sespie * Returns NULL if this does not parse as a for loop after all. */ 43f7923656Sespie extern For *For_Eval(const char *); 44f7923656Sespie 45f7923656Sespie /* finished = For_Accumulate(handle, line); 46f7923656Sespie * Accumulate lines in a loop, until we find the matching .endfor. */ 47f7923656Sespie extern bool For_Accumulate(For *, const char *); 48f7923656Sespie 49f7923656Sespie /* For_Run(handle); 50f7923656Sespie * Runs the complete for loop, pushing back expanded lines to reparse 51f7923656Sespie * using Parse_FromString. */ 52f7923656Sespie extern void For_Run(For *); 53f7923656Sespie 54f7923656Sespie #endif 55