mirror of
https://github.com/WerWolv/ImHex
synced 2024-10-23 03:01:38 +00:00
245 lines
10 KiB
C++
245 lines
10 KiB
C++
#pragma once
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#include <hex.hpp>
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#include "helpers/utils.hpp"
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#include <utility>
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#include <string>
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#include <variant>
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namespace hex::lang {
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class Token {
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public:
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enum class Type : u64 {
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Keyword,
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ValueType,
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Operator,
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Integer,
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String,
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Identifier,
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Separator
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};
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enum class Keyword {
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Struct,
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Union,
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Using,
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Enum,
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Bitfield,
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LittleEndian,
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BigEndian,
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If,
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Else
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};
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enum class Operator {
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AtDeclaration,
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Assignment,
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Inherit,
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Plus,
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Minus,
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Star,
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Slash,
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ShiftLeft,
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ShiftRight,
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BitOr,
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BitAnd,
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BitXor,
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BitNot,
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BoolEquals,
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BoolNotEquals,
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BoolGreaterThan,
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BoolLessThan,
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BoolGreaterThanOrEquals,
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BoolLessThanOrEquals,
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BoolAnd,
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BoolOr,
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BoolXor,
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BoolNot,
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TernaryConditional
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};
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enum class ValueType {
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Unsigned8Bit = 0x10,
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Signed8Bit = 0x11,
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Unsigned16Bit = 0x20,
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Signed16Bit = 0x21,
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Unsigned32Bit = 0x40,
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Signed32Bit = 0x41,
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Unsigned64Bit = 0x80,
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Signed64Bit = 0x81,
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Unsigned128Bit = 0x100,
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Signed128Bit = 0x101,
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Character = 0x13,
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Boolean = 0x14,
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Float = 0x42,
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Double = 0x82,
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CustomType = 0x00,
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Padding = 0x1F,
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Unsigned = 0xFF00,
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Signed = 0xFF01,
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FloatingPoint = 0xFF02,
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Integer = 0xFF03,
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Any = 0xFFFF
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};
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enum class Separator {
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RoundBracketOpen,
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RoundBracketClose,
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CurlyBracketOpen,
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CurlyBracketClose,
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SquareBracketOpen,
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SquareBracketClose,
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Comma,
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Dot,
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ScopeResolution,
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EndOfExpression,
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EndOfProgram
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};
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using IntegerLiteral = std::pair<ValueType, std::variant<u8, s8, u16, s16, u32, s32, u64, s64, u128, s128, float, double>>;
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using ValueTypes = std::variant<Keyword, std::string, Operator, IntegerLiteral, ValueType, Separator>;
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Token(Type type, auto value, u32 lineNumber) : type(type), value(value), lineNumber(lineNumber) {
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}
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[[nodiscard]] constexpr static inline bool isUnsigned(const ValueType type) {
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return (static_cast<u32>(type) & 0x0F) == 0x00;
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}
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[[nodiscard]] constexpr static inline bool isSigned(const ValueType type) {
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return (static_cast<u32>(type) & 0x0F) == 0x01;
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}
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[[nodiscard]] constexpr static inline bool isFloatingPoint(const ValueType type) {
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return (static_cast<u32>(type) & 0x0F) == 0x02;
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}
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[[nodiscard]] constexpr static inline u32 getTypeSize(const ValueType type) {
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return static_cast<u32>(type) >> 4;
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}
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[[nodiscard]] constexpr static auto getTypeName(const lang::Token::ValueType type) {
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switch (type) {
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case ValueType::Signed8Bit: return "s8";
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case ValueType::Signed16Bit: return "s16";
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case ValueType::Signed32Bit: return "s32";
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case ValueType::Signed64Bit: return "s64";
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case ValueType::Signed128Bit: return "s128";
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case ValueType::Unsigned8Bit: return "u8";
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case ValueType::Unsigned16Bit: return "u16";
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case ValueType::Unsigned32Bit: return "u32";
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case ValueType::Unsigned64Bit: return "u64";
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case ValueType::Unsigned128Bit: return "u128";
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case ValueType::Float: return "float";
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case ValueType::Double: return "double";
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case ValueType::Character: return "char";
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default: return "< ??? >";
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}
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}
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bool operator==(const ValueTypes &other) const {
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if (this->type == Type::Integer || this->type == Type::Identifier || this->type == Type::String)
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return true;
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else if (this->type == Type::ValueType) {
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auto otherValueType = std::get_if<ValueType>(&other);
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auto valueType = std::get_if<ValueType>(&this->value);
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if (otherValueType == nullptr) return false;
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if (valueType == nullptr) return false;
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if (*otherValueType == *valueType)
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return true;
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else if (*otherValueType == ValueType::Any)
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return *valueType != ValueType::CustomType && *valueType != ValueType::Padding;
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else if (*otherValueType == ValueType::Unsigned)
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return isUnsigned(*valueType);
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else if (*otherValueType == ValueType::Signed)
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return isSigned(*valueType);
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else if (*otherValueType == ValueType::FloatingPoint)
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return isFloatingPoint(*valueType);
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else if (*otherValueType == ValueType::Integer)
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return isUnsigned(*valueType) || isSigned(*valueType);
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}
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else
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return other == this->value;
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return false;
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}
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bool operator!=(const ValueTypes &other) const {
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return !operator==(other);
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}
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Type type;
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ValueTypes value;
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u32 lineNumber;
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};
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}
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#define COMPONENT(type, value) hex::lang::Token::Type::type, hex::lang::Token::type::value
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#define KEYWORD_STRUCT COMPONENT(Keyword, Struct)
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#define KEYWORD_UNION COMPONENT(Keyword, Union)
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#define KEYWORD_USING COMPONENT(Keyword, Using)
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#define KEYWORD_ENUM COMPONENT(Keyword, Enum)
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#define KEYWORD_BITFIELD COMPONENT(Keyword, Bitfield)
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#define KEYWORD_LE COMPONENT(Keyword, LittleEndian)
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#define KEYWORD_BE COMPONENT(Keyword, BigEndian)
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#define KEYWORD_IF COMPONENT(Keyword, If)
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#define KEYWORD_ELSE COMPONENT(Keyword, Else)
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#define INTEGER hex::lang::Token::Type::Integer, hex::lang::Token::IntegerLiteral(hex::lang::Token::ValueType::Any, u64(0))
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#define IDENTIFIER hex::lang::Token::Type::Identifier, ""
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#define STRING hex::lang::Token::Type::String, ""
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#define OPERATOR_AT COMPONENT(Operator, AtDeclaration)
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#define OPERATOR_ASSIGNMENT COMPONENT(Operator, Assignment)
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#define OPERATOR_INHERIT COMPONENT(Operator, Inherit)
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#define OPERATOR_PLUS COMPONENT(Operator, Plus)
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#define OPERATOR_MINUS COMPONENT(Operator, Minus)
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#define OPERATOR_STAR COMPONENT(Operator, Star)
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#define OPERATOR_SLASH COMPONENT(Operator, Slash)
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#define OPERATOR_SHIFTLEFT COMPONENT(Operator, ShiftLeft)
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#define OPERATOR_SHIFTRIGHT COMPONENT(Operator, ShiftRight)
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#define OPERATOR_BITOR COMPONENT(Operator, BitOr)
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#define OPERATOR_BITAND COMPONENT(Operator, BitAnd)
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#define OPERATOR_BITXOR COMPONENT(Operator, BitXor)
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#define OPERATOR_BITNOT COMPONENT(Operator, BitNot)
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#define OPERATOR_BOOLEQUALS COMPONENT(Operator, BoolEquals)
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#define OPERATOR_BOOLNOTEQUALS COMPONENT(Operator, BoolNotEquals)
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#define OPERATOR_BOOLGREATERTHAN COMPONENT(Operator, BoolGreaterThan)
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#define OPERATOR_BOOLLESSTHAN COMPONENT(Operator, BoolLessThan)
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#define OPERATOR_BOOLGREATERTHANOREQUALS COMPONENT(Operator, BoolGreaterThanOrEquals)
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#define OPERATOR_BOOLLESSTHANOREQUALS COMPONENT(Operator, BoolLessThanOrEquals)
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#define OPERATOR_BOOLAND COMPONENT(Operator, BoolAnd)
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#define OPERATOR_BOOLOR COMPONENT(Operator, BoolOr)
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#define OPERATOR_BOOLXOR COMPONENT(Operator, BoolXor)
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#define OPERATOR_BOOLNOT COMPONENT(Operator, BoolNot)
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#define OPERATOR_TERNARYCONDITIONAL COMPONENT(Operator, TernaryConditional)
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#define VALUETYPE_CUSTOMTYPE COMPONENT(ValueType, CustomType)
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#define VALUETYPE_PADDING COMPONENT(ValueType, Padding)
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#define VALUETYPE_UNSIGNED COMPONENT(ValueType, Unsigned)
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#define VALUETYPE_SIGNED COMPONENT(ValueType, Signed)
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#define VALUETYPE_FLOATINGPOINT COMPONENT(ValueType, FloatingPoint)
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#define VALUETYPE_INTEGER COMPONENT(ValueType, Integer)
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#define VALUETYPE_ANY COMPONENT(ValueType, Any)
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#define SEPARATOR_ROUNDBRACKETOPEN COMPONENT(Separator, RoundBracketOpen)
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#define SEPARATOR_ROUNDBRACKETCLOSE COMPONENT(Separator, RoundBracketClose)
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#define SEPARATOR_CURLYBRACKETOPEN COMPONENT(Separator, CurlyBracketOpen)
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#define SEPARATOR_CURLYBRACKETCLOSE COMPONENT(Separator, CurlyBracketClose)
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#define SEPARATOR_SQUAREBRACKETOPEN COMPONENT(Separator, SquareBracketOpen)
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#define SEPARATOR_SQUAREBRACKETCLOSE COMPONENT(Separator, SquareBracketClose)
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#define SEPARATOR_COMMA COMPONENT(Separator, Comma)
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#define SEPARATOR_DOT COMPONENT(Separator, Dot)
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#define SEPARATOR_SCOPE_RESOLUTION COMPONENT(Separator, ScopeResolution)
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#define SEPARATOR_ENDOFEXPRESSION COMPONENT(Separator, EndOfExpression)
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#define SEPARATOR_ENDOFPROGRAM COMPONENT(Separator, EndOfProgram) |