mirror of https://gitlab.com/rnger/amath
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
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* Copyright (c) 2015-2016 Carsten Sonne Larsen
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef AMATH_TEXT_LEX_H
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#define AMATH_TEXT_LEX_H
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/**
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* @file lex.h
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* @brief Lexer defitions used by other classes.
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*
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*/
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/**
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* @brief Symbols generated by the Lexer.
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*
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*/
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typedef enum {
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symunknown, symident, symqident, symnumber,
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symplus, symminus, symtimes, symslash, sympower,
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symabsolute, symassign, symlparen, symrparen,
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symfuncsqrt, symfunccbrt, symfunclog, symfuncln,
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symhelp, symeval, symdelete, symall, symclear, symdef, symexit,
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symoperator, symstatement, symfunction, symvariable,
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symtrigon, symhyper, symcomplex,
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syme, sympi, symi,symins, symdelimiter, symend,
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symshow, symlist, symload, symsave, symexecute,
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syminput, symoutput, symdigits,
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symdec, symhex, symbin, symoct,
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symmem, symprefs, symprompt, symversion,
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symplot, symdraw
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} Symbol;
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/**
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* @brief Character representation of operator tied with its symbol.
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*
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*/
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struct operatordef {
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char chr;
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Symbol symbol;
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};
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static const operatordef operators[] = {
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{ '+', symplus},
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{ '-', symminus},
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{ '/', symslash},
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{ '*', symtimes},
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{ '^', sympower},
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{ '(', symlparen},
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{ ')', symrparen},
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{ '|', symabsolute},
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{ '=', symassign},
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{ '\n', symdelimiter},
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{ ';', symdelimiter}
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};
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/*
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static const keyworddef keywords[] = {
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{ "clear", symclear},
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{ "def", symdef},
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{ "delete", symdelete},
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{ "e", syme},
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{ "i", symi},
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{ "pi", sympi},
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{ "ins", symins},
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{ "eval", symeval},
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{ "complex", symcomplex},
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{ "execute", symexecute},
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{ "exit", symexit},
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{ "funcs", symfunction},
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{ "functions", symfunction},
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{ "trigon", symtrigon},
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{ "trigonometric", symtrigon},
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{ "hyper", symhyper},
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{ "hyperbolic", symhyper},
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{ "help", symhelp},
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{ "list", symlist},
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{ "load", symload},
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{ "operators", symoperator},
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{ "quit", symexit},
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{ "save", symsave},
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{ "show", symshow},
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{ "statements", symstatement},
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{ "vars", symvariable},
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{ "variables", symvariable},
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{ "version", symversion},
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{ "digits", symdigits},
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{ "mem", symmem},
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{ "memory", symmem},
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{ "prefs", symprefs},
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{ "preferences", symprefs},
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{ "prompt", symprompt},
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{ "input", syminput},
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{ "output", symoutput},
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{ "bin", symbin},
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{ "binary", symbin},
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{ "oct", symoct},
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{ "octal", symoct},
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{ "dec", symdec},
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{ "decimal", symdec},
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{ "hex", symhex},
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{ "hexadecimal", symhex},
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{ "draw", symdraw},
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{ "plot", symplot}
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};
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*/
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#endif
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