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35 lines
569 B
C++
35 lines
569 B
C++
#ifndef __expression_h__
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#define __expression_h__
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#include <stdint.h>
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#include <vector>
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#include "optional.h"
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struct expr {
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expr(int t = 0, uint32_t v = 0, uint32_t s = 0)
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: tag(t), value(v), section(s)
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{}
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int tag = 0;
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uint32_t value = 0;
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unsigned section = 0;
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};
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struct expression {
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unsigned section = 0;
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uint32_t offset = 0;
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uint8_t size = 0;
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uint8_t relative = false;
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bool undefined = false;
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std::vector<expr> stack;
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};
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optional<uint32_t> evaluate_expression(expression &e, bool force = false);
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bool simplify_expression(expression &e);
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#endif
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