13.5. Debug expression evaluator

The DEBUG_EVAL module provides runtime expression evaluation for debugging purposes. It can evaluate daslang expressions in the context of a running program, supporting variable inspection and interactive debugging.

All functions and symbols are in “debug_eval” module, use require to get access to it.

require daslib/debug_eval

13.5.1. Structures

debug_eval::Result

Result of evaluating a debug expression.

Fields

  • tinfo : TypeInfo - Type information of the result.

  • value : float4 - Raw value storage for the result.

  • data : void? - Pointer to the result data, if available.

  • error : string - Error message, empty if evaluation succeeded.

13.5.2. Evaluation

debug_eval::debug_eval(context: table<string, Result>; expr: string) : Result()

Evaluates a debug expression string with the given variable context and returns the result.

Arguments

  • context : table<string; Result>

  • expr : string