ChaiScript/include/chaiscript/language/chaiscript_algebraic.hpp
Jason Turner c0bf6ee99d Apply corrections from the "include what you use" tool
Generally cleanups of the includes. Making sure each file
can properly stand on its own and forward declares when possible.
2014-05-10 18:41:11 -06:00

133 lines
3.6 KiB
C++

// This file is distributed under the BSD License.
// See "license.txt" for details.
// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
// Copyright 2009-2014, Jason Turner (jason@emptycrate.com)
// http://www.chaiscript.com
#ifndef CHAISCRIPT_ALGEBRAIC_HPP_
#define CHAISCRIPT_ALGEBRAIC_HPP_
#include <string>
#include "../dispatchkit/dispatchkit.hpp"
namespace chaiscript
{
struct Operators {
enum Opers
{
boolean_flag,
equals, less_than, greater_than, less_than_equal, greater_than_equal, not_equal,
non_const_flag,
assign, pre_increment, pre_decrement, assign_product, assign_sum,
assign_quotient, assign_difference,
non_const_int_flag,
assign_bitwise_and, assign_bitwise_or, assign_shift_left, assign_shift_right,
assign_remainder, assign_bitwise_xor,
const_int_flag,
shift_left, shift_right, remainder, bitwise_and, bitwise_or, bitwise_xor, bitwise_complement,
const_flag,
sum, quotient, product, difference, unary_plus, unary_minus,
invalid
};
static const char *to_string(Opers t_oper) {
const char *opers[] = {
"",
"==", "<", ">", "<=", ">=", "!=",
"",
"=", "++", "--", "*=", "+=",
"/=", "-=",
"",
"&=", "|=", "<<=", ">>=",
"%=", "^=",
"",
"<<", ">>", "%", "&", "|", "^", "~",
"",
"+", "/", "*", "-", "+", "-",
""
};
return opers[t_oper];
}
static Opers to_operator(const std::string &t_str, bool t_is_unary = false)
{
if (t_str == "==")
{
return equals;
} else if (t_str == "<") {
return less_than;
} else if (t_str == ">") {
return greater_than;
} else if (t_str == "<=") {
return less_than_equal;
} else if (t_str == ">=") {
return greater_than_equal;
} else if (t_str == "!=") {
return not_equal;
} else if (t_str == "=") {
return assign;
} else if (t_str == "++") {
return pre_increment;
} else if (t_str == "--") {
return pre_decrement;
} else if (t_str == "*=") {
return assign_product;
} else if (t_str == "+=") {
return assign_sum;
} else if (t_str == "-=") {
return assign_difference;
} else if (t_str == "&=") {
return assign_bitwise_and;
} else if (t_str == "|=") {
return assign_bitwise_or;
} else if (t_str == "<<=") {
return assign_shift_left;
} else if (t_str == ">>=") {
return assign_shift_right;
} else if (t_str == "%=") {
return assign_remainder;
} else if (t_str == "^=") {
return assign_bitwise_xor;
} else if (t_str == "<<") {
return shift_left;
} else if (t_str == ">>") {
return shift_right;
} else if (t_str == "%") {
return remainder;
} else if (t_str == "&") {
return bitwise_and;
} else if (t_str == "|") {
return bitwise_or;
} else if (t_str == "^") {
return bitwise_xor;
} else if (t_str == "~") {
return bitwise_complement;
} else if (t_str == "+") {
if (t_is_unary) {
return unary_plus;
} else {
return sum;
}
} else if (t_str == "-") {
if (t_is_unary) {
return unary_minus;
} else {
return difference;
}
} else if (t_str == "/") {
return quotient;
} else if (t_str == "*") {
return product;
} else {
return invalid;
}
}
};
}
#endif /* _CHAISCRIPT_ALGEBRAIC_HPP */