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API > API/Plugins > API/Plugins/RigVMDeveloper > API/Plugins/RigVMDeveloper/FRigVMParserAST
Description
Prepares the parser for cycle checking on a given pin. This marks up the parents and childen of the corresponding expression in the graph, to allow the client to determine if a new parent / child relationship could cause a cycle.
| Name | PrepareCycleChecking |
| Type | function |
| Header File | /Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h |
| Include Path | #include "RigVMCompiler/RigVMAST.h" |
| Source | /Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Private/RigVMCompiler/RigVMAST.cpp |
void PrepareCycleChecking
(
URigVMPin * InPin
)
Parameters
| Name | Remarks |
|---|---|
| InPin | the pin to initialize the cycle checking for |