PLC-lang/rusty

Add validation for comparison operators

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#1 026 ouverte le 23 nov. 2023

 (5 commentaires) (0 réaction) (0 personne assignée)Rust (71 forks)auto 404
good first issuemedium-priorityvalidation

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Description

Is your feature request related to a problem? Please describe. When trying to compile code with a comparison statement which tries to compare incompatible types, we currently do not validate against it and the compilation will fail during codegen.

FUNCTION main : DINT
        VAR
            x1 : ARRAY[0..2] OF TOD;
            x2 : STRING;
        END_VAR
            x1 > x2;  
            GT(x1, x2);
END_FUNCTION

Describe the solution you'd like We should validate if the two types in the binary expression can be compared to each other

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