47 lines
1.3 KiB
Go
47 lines
1.3 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 stdlib
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import (
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"gitlab.com/whom/shs/ast"
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"gitlab.com/whom/shs/log"
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)
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/* Takes 2 args, a name and a value
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* Exports a varable
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* both args are evaluated
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*
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* Example:
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* (export hw (concat "hello" " " "world"))
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* (print hw)
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*/
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func Export(input *ast.Token, vars ast.VarTable, funcs ast.FuncTable) *ast.Token {
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name := input
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form := name.Next.Eval(funcs, vars, false)
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if name.Tag != ast.SYMBOL {
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log.Log(log.ERR,
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"first arg should be a symbol",
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"export")
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return nil
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}
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ast.SetVar(name.Value(), form, vars)
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return nil
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}
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