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/* GNUPLOT - eval.h */ /*[ * Copyright 1999, 2004 Thomas Williams, Colin Kelley * * Permission to use, copy, and distribute this software and its * documentation for any purpose with or without fee is hereby granted, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. * * Permission to modify the software is granted, but not the right to * distribute the complete modified source code. Modifications are to * be distributed as patches to the released version. Permission to * distribute binaries produced by compiling modified sources is granted, * provided you * 1. distribute the corresponding source modifications from the * released version in the form of a patch file along with the binaries, * 2. add special version identification to distinguish your version * in addition to the base release version number, * 3. provide your name and address as the primary contact for the * support of your modified version, and * 4. retain our contact information in regard to use of the base * software. * Permission to distribute the released version of the source code along * with corresponding source modifications in the form of a patch file is * granted with same provisions 2 through 4 for binary distributions. * * This software is provided "as is" without express or implied warranty * to the extent permitted by applicable law. ]*/ #ifndef GNUPLOT_EVAL_H # define GNUPLOT_EVAL_H /* #if... / #include / #define collection: */ #include "syscfg.h" #include "gp_types.h" #include /* for FILE* */ #define STACK_DEPTH 250 /* maximum size of the execution stack */ #define MAX_AT_LEN 150 /* max number of entries in action table */ /* These are used by add_action() to index the subroutine list ft[] in eval.c */ enum operators { /* keep this in line with table in eval.c */ PUSH, PUSHC, PUSHD1, PUSHD2, PUSHD, POP, CALL, CALLN, SUM, LNOT, BNOT, UMINUS, NOP, LOR, LAND, BOR, XOR, BAND, EQ, NE, GT, LT, GE, LE, LEFTSHIFT, RIGHTSHIFT, PLUS, MINUS, MULT, DIV, MOD, POWER, FACTORIAL, BOOLE, DOLLARS, CONCATENATE, EQS, NES, RANGE, INDEX, CARDINALITY, ASSIGN, EVAL, /* only jump operators go between jump and sf_start, for is_jump() */ JUMP, JUMPZ, JUMPNZ, JTERN, SF_START, /* External function call */ #ifdef HAVE_EXTERNAL_FUNCTIONS CALLE, #endif /* functions specific to using spec */ COLUMN, STRINGCOLUMN, STRCOL, COLUMNHEAD, COLUMNHEADER, VALID, TIMECOLUMN }; #define is_jump(operator) \ ((operator) >=(int)JUMP && (operator)