28 lines
1.0 KiB
Rust
28 lines
1.0 KiB
Rust
/** Serene --- Yet an other Lisp
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*
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* Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
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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 2 of the License.
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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::compiler::Compiler;
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use inkwell::values::{AnyValue, AnyValueEnum};
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type ExprResultBase<'a, T: AnyValue<'a>> = Result<T, String>;
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pub type ExprResult<'a> = ExprResultBase<'a, AnyValueEnum<'a>>;
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pub trait Expression {
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fn eval();
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fn code_gen<'ctx, 'val: 'ctx>(&self, compiler: &'ctx mut Compiler<'val>) -> ExprResult<'val>;
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}
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