mirror of
https://github.com/nim-lang/Nim.git
synced 2026-01-05 12:37:46 +00:00
32 lines
802 B
Nim
32 lines
802 B
Nim
discard """
|
|
output: "Got: 'nnkCall' hi"
|
|
"""
|
|
|
|
import
|
|
macros, strutils
|
|
|
|
macro outterMacro*(n: stmt): stmt {.immediate.} =
|
|
let n = callsite()
|
|
var j : string = "hi"
|
|
proc innerProc(i: int): string =
|
|
echo "Using arg ! " & n.repr
|
|
result = "Got: '" & $n.kind & "' " & $j
|
|
var callNode = n[0]
|
|
expectKind(n, TNimrodNodeKind.nnkCall)
|
|
if n.len != 3 or n[1].kind != TNimrodNodeKind.nnkIdent:
|
|
error("Macro " & callNode.repr &
|
|
" requires the ident passed as parameter (eg: " & callNode.repr &
|
|
"(the_name_you_want)): statements.")
|
|
result = newNimNode(TNimrodNodeKind.nnkStmtList)
|
|
var ass : PNimrodNode = newNimNode(nnkAsgn)
|
|
ass.add(newIdentNode(n[1].ident))
|
|
ass.add(newStrLitNode(innerProc(4)))
|
|
result.add(ass)
|
|
|
|
var str: string
|
|
outterMacro(str):
|
|
"hellow"
|
|
echo str
|
|
|
|
|