Added registerReplacement to ScopedWalker
#1403
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In some frontends (e.g., the Go frontend) we are replacing certain nodes in an extra pass, while iterating with the `ScopedWalker`. One such usecase is to replace calls with casts. Previously, when doing so, chained replacement of calls were a problem, since the original replaced value was stil registered in the walker and was used to determine further AST children to "walk" on, instead of the new node. This adds a function to register such replacements with the walker.
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In some frontends (e.g., the Go frontend) we are replacing certain nodes in an extra pass, while iterating with the
ScopedWalker. One such usecase is to replace calls with casts. Previously, when doing so, chained replacement of calls were a problem, since the original replaced value was stil registered in the walker and was used to determine further AST children to "walk" on, instead of the new node.This adds a function to register such replacements with the walker.