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fe500a6a79
* Productionize: move protocols top-level vs backend * fix path * import fix * the last one * benches as well
37 lines
1.2 KiB
Nim
37 lines
1.2 KiB
Nim
# Constantine
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# Copyright (c) 2018-2019 Status Research & Development GmbH
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# Copyright (c) 2020-Present Mamy André-Ratsimbazafy
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import std/macros
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proc replaceNodes(ast: NimNode, what: NimNode, by: NimNode): NimNode =
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# Replace "what" ident node by "by"
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proc inspect(node: NimNode): NimNode =
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case node.kind:
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of {nnkIdent, nnkSym}:
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if node.eqIdent(what):
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return by
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return node
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of nnkEmpty:
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return node
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of nnkLiterals:
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return node
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else:
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var rTree = node.kind.newTree()
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for child in node:
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rTree.add inspect(child)
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return rTree
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result = inspect(ast)
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macro staticFor*(idx: untyped{nkIdent}, start, stopEx: static int, body: untyped): untyped =
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result = newStmtList()
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for i in start ..< stopEx:
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result.add nnkBlockStmt.newTree(
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ident("unrolledIter_" & $idx & $i),
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body.replaceNodes(idx, newLit i)
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)
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