62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
#pragma once
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#include <hex.hpp>
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#include "providers/provider.hpp"
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#include "lang/pattern_data.hpp"
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#include "ast_node.hpp"
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#include <bit>
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#include <string>
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#include <unordered_map>
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#include <vector>
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namespace hex::lang {
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class Evaluator {
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public:
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Evaluator(prv::Provider* &provider, std::endian defaultDataEndian);
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std::optional<std::vector<PatternData*>> evaluate(const std::vector<ASTNode*>& ast);
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const std::pair<u32, std::string>& getError() { return this->m_error; }
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private:
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std::map<std::string, ASTNode*> m_types;
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prv::Provider* &m_provider;
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std::endian m_defaultDataEndian;
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u64 m_currOffset = 0;
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std::optional<std::endian> m_currEndian;
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std::vector<std::vector<PatternData*>*> m_currMembers;
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std::pair<u32, std::string> m_error;
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using EvaluateError = std::pair<u32, std::string>;
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[[noreturn]] static void throwEvaluateError(std::string_view error, u32 lineNumber) {
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throw EvaluateError(lineNumber, "Evaluator: " + std::string(error));
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}
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[[nodiscard]] std::endian getCurrentEndian() const {
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return this->m_currEndian.value_or(this->m_defaultDataEndian);
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}
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ASTNodeIntegerLiteral* evaluateScopeResolution(ASTNodeScopeResolution *node);
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ASTNodeIntegerLiteral* evaluateRValue(ASTNodeRValue *node);
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ASTNodeIntegerLiteral* evaluateOperator(ASTNodeIntegerLiteral *left, ASTNodeIntegerLiteral *right, Token::Operator op);
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ASTNodeIntegerLiteral* evaluateMathematicalExpression(ASTNodeNumericExpression *node);
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PatternData* evaluateBuiltinType(ASTNodeBuiltinType *node);
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std::vector<PatternData*> evaluateMember(ASTNode *node);
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PatternData* evaluateStruct(ASTNodeStruct *node);
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PatternData* evaluateUnion(ASTNodeUnion *node);
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PatternData* evaluateEnum(ASTNodeEnum *node);
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PatternData* evaluateBitfield(ASTNodeBitfield *node);
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PatternData* evaluateType(ASTNodeTypeDecl *node);
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PatternData* evaluateVariable(ASTNodeVariableDecl *node);
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PatternData* evaluateArray(ASTNodeArrayVariableDecl *node);
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PatternData* evaluatePointer(ASTNodePointerVariableDecl *node);
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};
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} |