56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
/* SHS: Syntactically Homogeneous Shell
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* Copyright (C) 2019 Aidan Hahn
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package ast
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import (
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"fmt"
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"strings"
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)
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/* Print function which breaks each embedded list out on individual lines.
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* Used in the print_ast debug tool. not too useful for repl applications.
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* Very useful for debugging syntax though.
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* TODO: Add numbers to denote embedded scope?
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*/
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func PrintSExprsIndividually(arg *Token) {
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if arg == nil {
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return //TODO: Handle error here?
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}
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var lists TokenStack;
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lists.Push(arg)
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loop:
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var constructor strings.Builder
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i := lists.Pop()
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if i == nil {
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return
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}
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for iter := i; iter != nil; iter = iter.Next {
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if iter.Tag == LIST {
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lists.Push(iter.Expand())
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}
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constructor.WriteString(iter.FmtToken())
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}
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fmt.Printf(constructor.String() + "\n")
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goto loop
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}
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