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ImHex/plugins/builtin/include/math_evaluator.hpp

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#pragma once
#include <hex.hpp>
#include <string>
#include <vector>
#include <queue>
#include <unordered_map>
#include <functional>
#include <optional>
namespace hex {
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
template<typename T>
class MathEvaluator {
public:
MathEvaluator() = default;
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
std::optional<T> evaluate(const std::string &input);
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
void registerStandardVariables();
void registerStandardFunctions();
void setVariable(const std::string &name, T value);
void setFunction(const std::string &name, const std::function<std::optional<T>(std::vector<T>)> &function, size_t minNumArgs, size_t maxNumArgs);
std::unordered_map<std::string, T> &getVariables() { return this->m_variables; }
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
[[nodiscard]] bool hasError() const {
return this->m_lastError.has_value();
}
[[nodiscard]] std::optional<std::string> getLastError() const {
return this->m_lastError;
}
private:
void setError(const std::string &error) {
this->m_lastError = error;
}
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
private:
enum class TokenType
{
Number,
Variable,
Function,
Operator,
Bracket
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
enum class Operator : u16
{
Invalid = 0x000,
Assign = 0x010,
Or = 0x020,
Xor = 0x030,
And = 0x040,
BitwiseOr = 0x050,
BitwiseXor = 0x060,
BitwiseAnd = 0x070,
Equals = 0x080,
NotEquals = 0x081,
GreaterThan = 0x090,
LessThan = 0x091,
GreaterThanOrEquals = 0x092,
LessThanOrEquals = 0x093,
ShiftLeft = 0x0A0,
ShiftRight = 0x0A1,
Addition = 0x0B0,
Subtraction = 0x0B1,
Multiplication = 0x0C0,
Division = 0x0C1,
Modulus = 0x0C2,
Exponentiation = 0x1D0,
Combine = 0x0E0,
BitwiseNot = 0x0F0,
Not = 0x0F1
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
enum class BracketType : std::uint8_t
{
Left,
Right
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
struct Token {
TokenType type;
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
union {
T number;
Operator op;
BracketType bracketType;
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
std::string name;
std::vector<T> arguments;
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
static i16 comparePrecedence(const Operator &a, const Operator &b);
static bool isLeftAssociative(const Operator op);
static std::pair<Operator, size_t> toOperator(const std::string &input);
private:
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
std::optional<std::queue<Token>> parseInput(std::string input);
std::optional<std::queue<Token>> toPostfix(std::queue<Token> inputQueue);
std::optional<T> evaluate(std::queue<Token> postfixTokens);
std::unordered_map<std::string, T> m_variables;
std::unordered_map<std::string, std::function<std::optional<T>(std::vector<T>)>> m_functions;
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
std::optional<std::string> m_lastError;
};
ui/ux: Rewrite of the entire hex editor view to make it more flexible (#512) * ui/ux: Initial recreation of the hex editor view * ui/ux: Added back support for editing cells * ux: Make scrolling and selecting bytes feel nice again * ui/ux: Improved byte selecting, added footer * sys: Make math evaluator more generic to support integer only calculations * patterns: Moved value formatting into pattern language * ui/ux: Added Goto and Search popups, improved selection * ui: Added better tooltips for bookmarks and patterns * sys: Use worse hex search algorithm on macOS Sadly it still doesn't support `std::boyer_moore_horsepool_searcher` * ui: Added back missing events, menu items and shortcuts * fix: Bookmark highlighting being rendered off by one * fix: Various macOS build errors * fix: size_t is not u64 on macos * fix: std::fmod and std::pow not working with integer types on macos * fix: Missing semicolons * sys: Added proper integer pow function * ui: Added back support for custom encodings * fix: Editor not jumping to selection when selection gets changed * ui: Turn Hexii setting into a data visualizer * sys: Added back remaining shortcuts * sys: Remove old hex editor files * sys: Moved more legacy things away from the hex editor view, updated localization * fix: Hex editor scrolling behaving weirdly and inconsistently * sys: Cleaned up Hex editor code * sys: Added selection color setting, localized all new settings * fix: Search feature not working correctly * ui: Replace custom ImGui::Disabled function with native ImGui ones * ui: Fix bookmark tooltip rendering issues * fix: Another size_t not being 64 bit issue on MacOS
2022-05-27 20:42:07 +02:00
extern template class MathEvaluator<long double>;
extern template class MathEvaluator<i128>;
}