diff options
Diffstat (limited to 'lib/core')
| -rw-r--r-- | lib/core/macros.nim | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/core/macros.nim b/lib/core/macros.nim index 0356067f1..7cb084653 100644 --- a/lib/core/macros.nim +++ b/lib/core/macros.nim @@ -300,9 +300,12 @@ when not defined(booting): ## that should be inserted verbatim in the program ## Example: ## + ## .. code-block:: nimrod ## emit("echo " & '"' & "hello world".toUpper & '"') ## - eval: result = e.parseStmt + macro payload: stmt {.gensym.} = + result = e.parseStmt + payload() proc expectKind*(n: PNimrodNode, k: TNimrodNodeKind) {.compileTime.} = ## checks that `n` is of kind `k`. If this is not the case, @@ -645,10 +648,13 @@ iterator children*(n: PNimrodNode): PNimrodNode {.inline.}= for i in 0 .. high(n): yield n[i] -template findChild*(n: PNimrodNode; cond: expr): PNimrodNode {.immediate, dirty.} = - ## Find the first child node matching condition (or nil) - ## var res = findChild(n, it.kind == nnkPostfix and it.basename.ident == !"foo") - +template findChild*(n: PNimrodNode; cond: expr): PNimrodNode {. + immediate, dirty.} = + ## Find the first child node matching condition (or nil). + ## + ## .. code-block:: nimrod + ## var res = findChild(n, it.kind == nnkPostfix and + ## it.basename.ident == !"foo") block: var result: PNimrodNode for it in n.children: @@ -736,6 +742,6 @@ proc addIdentIfAbsent*(dest: PNimrodNode, ident: string) {.compiletime.} = if ident.eqIdent($node): return of nnkExprColonExpr: if ident.eqIdent($node[0]): return - else: nil + else: discard dest.add(ident(ident)) |