better organization and try a tex readme
Signed-off-by: Ava Hahn <ava@aidanis.online>
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/* relish: versatile lisp shell
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* Copyright (C) 2021 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 <http://www.gnu.org/licenses/>.
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*/
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use crate::func::{Args, FTable, Function, Operation};
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use crate::segment::{ast_as_string, circuit, Ast, Ctr};
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use crate::vars::VTable;
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use std::cell::RefCell;
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use std::rc::Rc;
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// Current primitive is to use a get_NNNNN function defined for each library function which returns a not-previously-owned
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// copy of the Function struct.
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pub fn get_echo() -> Function {
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return Function {
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name: String::from("echo"),
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loose_syms: false,
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eval_lazy: false,
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args: Args::Lazy(-1),
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function: Operation::Internal(Box::new(
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|a: Ast, _b: Rc<RefCell<VTable>>, _c: Rc<RefCell<FTable>>| -> Ctr {
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let mut string = String::from("");
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if !circuit(a, &mut |arg: &Ctr| {
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match arg {
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// should be a thing here
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Ctr::Symbol(_) => return false,
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Ctr::String(s) => string.push_str(&s),
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Ctr::Integer(i) => string.push_str(&i.to_string()),
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Ctr::Float(f) => string.push_str(&f.to_string()),
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Ctr::Bool(b) => string.push_str(&b.to_string()),
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Ctr::Seg(c) => string.push_str(ast_as_string(c.clone(), true).as_str()),
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Ctr::None => (),
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}
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println!("{}", string);
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return true;
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}) {
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eprintln!("circuit loop in echo should not have returned false")
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}
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return Ctr::None;
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},
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)),
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};
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}
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pub fn get_concat() -> Function {
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return Function {
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name: String::from("concat"),
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loose_syms: false,
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eval_lazy: false,
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args: Args::Lazy(-1),
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function: Operation::Internal(Box::new(
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|a: Ast, _b: Rc<RefCell<VTable>>, _c: Rc<RefCell<FTable>>| -> Ctr {
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let mut string = String::from("");
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if !circuit(a, &mut |arg: &Ctr| {
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match arg {
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// should be a thing here
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Ctr::Symbol(_) => return false,
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Ctr::String(s) => string.push_str(&s),
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Ctr::Integer(i) => string.push_str(&i.to_string()),
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Ctr::Float(f) => string.push_str(&f.to_string()),
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Ctr::Bool(b) => string.push_str(&b.to_string()),
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Ctr::Seg(c) => string.push_str(ast_as_string(c.clone(), true).as_str()),
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Ctr::None => (),
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}
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return true;
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}) {
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eprintln!("circuit loop in concat should not have returned false")
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}
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return Ctr::String(string);
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},
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)),
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};
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}
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