mirror of https://git.sr.ht/~garritfra/sabre
Garrit Franke
3 years ago
3 changed files with 76 additions and 34 deletions
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/**
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* Copyright 2020 Garrit Franke |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* https://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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use crate::generator; |
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use crate::lexer; |
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use crate::parser; |
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use crate::Lib; |
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use std::fs::File; |
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use std::io::Read; |
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use std::io::Write; |
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use std::path::PathBuf; |
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pub fn build(in_file: PathBuf, out_file: PathBuf) -> Result<(), String> { |
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let mut file = File::open(in_file).expect("Could not open file"); |
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let mut contents = String::new(); |
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file.read_to_string(&mut contents) |
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.expect("Could not read file"); |
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let tokens = lexer::tokenize(&contents); |
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let mut program = parser::parse(tokens, Some(contents))?; |
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// C Backend currently does not support stdlib yet, since not all features are implemented
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if cfg!(feature = "backend_node") { |
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let stdlib = build_stdlib(); |
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program.merge_with(stdlib); |
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} |
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let output = generator::generate(program); |
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let mut file = std::fs::File::create(out_file).expect("create failed"); |
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file.write_all(output.as_bytes()).expect("write failed"); |
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file.flush().expect("Could not flush file"); |
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Ok(()) |
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} |
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fn build_stdlib() -> parser::node_type::Program { |
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let stdlib_raw = |
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Lib::get("stdio.sb").expect("Standard library not found. This should not occur."); |
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let stblib_str = |
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std::str::from_utf8(&stdlib_raw).expect("Could not interpret standard library."); |
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let stdlib_tokens = lexer::tokenize(&stblib_str); |
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parser::parse(stdlib_tokens, Some(stblib_str.into())).expect("Could not parse stdlib") |
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} |
@ -0,0 +1,16 @@
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/**
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* Copyright 2020 Garrit Franke |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* https://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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pub mod build; |
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