dumpTree and similar macros print Nim's AST at compile time. I was wondering how to print the same content at runtime. The use case is to be able to capture the output to document it in a nimib document.
To have a concrete example:
import macros
dumpTree:
25 ⬇️
10 ➖
produces at compile time:
StmtList
Command
IntLit 25
Ident "⬇️"
Command
IntLit 10
Ident "➖"
I would like a dumpTreeRuntime that is equivalent for the above case to:
echo """
StmtList
Command
IntLit 25
Ident "⬇️"
Command
IntLit 10
Ident "➖"
"""
import macros
macro treeToString(code: untyped): untyped =
return newLit(treeRepr(code))
when isMainModule:
let x = treeToString:
25 ⬇️
10 ➖
echo(x)
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