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Class 0x6b73a615

14.15

Inheritance 1 ancestor · 45 siblings

Class Documentation

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A block that runs the caller's sequence from inside a function. When a function block such as ExecuteFunctionBlock calls a function, it can pass a block list in its own Sequence (see IRunFunctionBlock). This block, placed in the body of the called function, runs that list in the script context of the caller. This lets a function run blocks that its caller supplies.

  • If the block does not run inside a function call, or the caller's Sequence is empty, the block records a script error.
  • If the number of outputs of the function does not match the number of outputs in the caller's FunctionDefinition, the block records a script error.

Before it runs the caller's list, the block is meant to copy the outputs of the function to the caller. This copy does not work: no output value reaches the caller, and an output that the caller does not declare makes the client read invalid memory.