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add virtual destructors to expr and assertion

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Benji Dial 2023-12-25 14:38:37 -05:00
parent 8723fe0781
commit 3ed235ac0b
1 changed files with 2 additions and 0 deletions
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lib94/warrior.cpp
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@ -60,6 +60,7 @@ namespace lib94 {
//this abstract class represents expression fields extracted in stage 2 and evaluted in stage 4.
class expr {
public:
virtual ~expr() = default;
unsigned source_line_number;
number_t offset;
virtual intermediate_t evaluate(const label_offset_set &label_offsets) const = 0;
@ -68,6 +69,7 @@ namespace lib94 {
//this abstract class represents assertions fields extracted in stage 1 and evaluated in stage 3
class assertion {
public:
virtual ~assertion() = default;
unsigned source_line_number;
virtual bool check(const label_offset_set &label_offsets) const = 0;
};