/* $Id: evaluator.h,v 1.2 2003/10/11 06:01:53 reinelt Exp $ * * expression evaluation * * based on EE (Expression Evaluator) which is * (c) 1992 Mark Morley * * heavily modified 2003 by Michael Reinelt * * FIXME: GPL or not GPL???? * * $Log: evaluator.h,v $ * Revision 1.2 2003/10/11 06:01:53 reinelt * * renamed expression.{c,h} to client.{c,h} * added config file client * new functions 'AddNumericVariable()' and 'AddStringVariable()' * new parameter '-i' for interactive mode * * Revision 1.1 2003/10/06 04:34:06 reinelt * expression evaluator added * */ /*************************************************************************** ** ** ** EE.C Expression Evaluator ** ** ** ** AUTHOR: Mark Morley ** ** COPYRIGHT: (c) 1992 by Mark Morley ** ** DATE: December 1991 ** ** HISTORY: Jan 1992 - Made it squash all command line arguments ** ** into one big long string. ** ** - It now can set/get VMS symbols as if they ** ** were variables. ** ** - Changed max variable name length from 5 to 15 ** ** Jun 1992 - Updated comments and docs ** ** ** ** You are free to incorporate this code into your own works, even if it ** ** is a commercial application. However, you may not charge anyone else ** ** for the use of this code! If you intend to distribute your code, ** ** I'd appreciate it if you left this message intact. I'd like to ** ** receive credit wherever it is appropriate. Thanks! ** ** ** ** I don't promise that this code does what you think it does... ** ** ** ** Please mail any bug reports/fixes/enhancments to me at: ** ** morley@camosun.bc.ca ** ** or ** ** Mark Morley ** ** 3889 Mildred Street ** ** Victoria, BC Canada ** ** V8Z 7G1 ** ** (604) 479-7861 ** ** ** ***************************************************************************/ #ifndef _EVALUATOR_H_ #define _EVALUATOR_H_ // RESULT bitmask #define R_NUMBER 1 #define R_STRING 2 typedef struct { int type; double number; char *string; } RESULT; // error codes #define E_OK 0 /* Successful evaluation */ #define E_SYNTAX 1 /* Syntax error */ #define E_UNBALAN 2 /* Unbalanced parenthesis */ #define E_DIVZERO 3 /* Attempted division by zero */ #define E_UNKNOWN 4 /* Reference to unknown variable */ #define E_BADFUNC 5 /* Unrecognised function */ #define E_NUMARGS 6 /* Wrong number of arguments to function */ #define E_NOARG 7 /* Missing an argument to a function */ #define E_EMPTY 8 /* Empty expression */ int AddNumericVariable (char *name, double value); int AddStringVariable (char *name, char *value); int AddFunction (char *name, int args, void (*func)()); RESULT* SetResult (RESULT **result, int type, void *value); double R2N (RESULT *result); char* R2S (RESULT *result); int Eval (char* expression, RESULT *result); #endif han2-2/+4 2018-04-08d/changelog: remove whitespaceJonathan McCrohan1-5/+11 2018-04-07New upstream version 0+git20171226.07b18ecupstream/0+git20171226.07b18ecupstreamJonathan McCrohan1167-3460/+81016 2017-06-20Release 0+git20170425.fb5fe05-1debian/0+git20170425.fb5fe05-1Jonathan McCrohan2-3/+12 2017-06-19New upstream version 0+git20170425.fb5fe05upstream/0+git20170425.fb5fe05Jonathan McCrohan16-102/+786 2017-01-05Release 0+git20161227.ac7535a-1debian/0+git20161227.ac7535a-1Jonathan McCrohan1-0/+6 2017-01-05New upstream version 0+git20161227.ac7535aupstream/0+git20161227.ac7535aJonathan McCrohan39-1522/+4879 2016-06-11Release 0+git20160503.4f192bd-1debian/0+git20160503.4f192bd-1Jonathan McCrohan1-2/+2 2016-06-11d/control: update insecure Vcs-Git URLJonathan McCrohan2-1/+2 2016-06-11d/control: update Standards Version to 3.9.8Jonathan McCrohan2-1/+9 2016-06-11Imported Upstream version 0+git20160503.4f192bdupstream/0+git20160503.4f192bdJonathan McCrohan1307-2667/+38002 2016-01-18Release 0+git20151202.3864e0a-1debian/0+git20151202.3864e0a-1Jonathan McCrohan1-2/+3 2016-01-18Imported Upstream version 0+git20151202.3864e0aJonathan McCrohan840-4057/+18230 2016-01-18Update get-vcs-snapshot.sh to reflect gbp changesJonathan McCrohan2-1/+2 2016-01-18Imported Upstream version 0+git20151202.3864e0aupstream/0+git20151202.3864e0aJonathan McCrohan840-4057/+18230 2015-05-05d/control: various fixes found by libconfig-model-dpkg-perlJonathan McCrohan2-5/+13 2015-04-01Release 0+git20150208.f2053b3-1Jonathan McCrohan1-2/+2 2015-04-01Describe changes made in snapshotJonathan McCrohan1-0/+3 2015-04-01New Upstream Snapshot (commit f2053b3)Jonathan McCrohan1-0/+6 2015-04-01Imported Upstream version 0+git20150208.f2053b3upstream/0+git20150208.f2053b3Jonathan McCrohan32-333/+483 2014-12-28Release 0+git20141218.b46a22c-1debian/0+git20141218.b46a22c-1Jonathan McCrohan1-2/+2 2014-12-28Updated AU DVB-T files; Thanks Brian Burch! (Closes LP: #1393280)Jonathan McCrohan1-0/+1 2014-12-28New Upstream Snapshot (commit b46a22c)Jonathan McCrohan1-0/+6 2014-12-28Imported Upstream version 0+git20141218.b46a22cupstream/0+git20141218.b46a22cJonathan McCrohan535-639/+317 2014-10-20Release 0+git20141009.d26b627-1debian/0+git20141009.d26b627-1Jonathan McCrohan1-2/+2 2014-10-20Fix up packaging to account for move to DVBv5Jonathan McCrohan2-2/+6 2014-10-20delete d/dtv-scan-files.install; Upstream now supplies a MakefileJonathan McCrohan2-4/+1 2014-10-15d/control: update Standards Version to 3.9.6Jonathan McCrohan2-1/+3 2014-10-15d/control: add Build-Depends on dvb-toolsJonathan McCrohan2-1/+2 2014-10-15New Upstream Snapshot (commit d26b627)Jonathan McCrohan1-0/+10 2014-10-15Imported Upstream version 0+git20141009.d26b627upstream/0+git20141009.d26b627Jonathan McCrohan2010-11120/+159271 2014-07-23Release 0+git20140611.14bd6c7-1debian/0+git20140611.14bd6c7-1Jonathan McCrohan1-2/+2 2014-07-23New Upstream Snapshot (commit 14bd6c7)Jonathan McCrohan1-2/+3 2014-07-23Imported Upstream version 0+git20140611.14bd6c7upstream/0+git20140611.14bd6c7Jonathan McCrohan7-11/+60 2014-05-13New Upstream Snapshot (commit 1246b27)Jonathan McCrohan1-0/+6 2014-05-13Imported Upstream version 0+git20140512.1246b27upstream/0+git20140512.1246b27Jonathan McCrohan391-301/+3983 2014-04-05Release 0+git20140326.cfc2975-1debian/0+git20140326.cfc2975-1Jonathan McCrohan1-2/+2 2014-04-05d/control: update Homepage (upstream has moved from Gitweb to cgit)Jonathan McCrohan2-1/+2 2014-04-05New Upstream Snapshot (commit cfc2975)Jonathan McCrohan1-0/+6 2014-04-05Imported Upstream version 0+git20140326.cfc2975upstream/0+git20140326.cfc2975Jonathan McCrohan118-656/+877 2014-01-16Release 0+git20140107.1850cf8-1debian/0+git20140107.1850cf8-1Jonathan McCrohan1-2/+2 2014-01-16Update Standards Version to 3.9.5Jonathan McCrohan2-1/+9