39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
use std::io::Write;
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use crate::data::*;
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fn write_expr(file: &mut std::fs::File, indent: &mut String, expr: &Expr) {
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match expr {
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Expr::Block(block) => write_block(file, indent, block),
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Expr::Term(term) => write_term(file, indent, term)
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}
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}
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fn write_term(file: &mut std::fs::File, indent: &mut String, term: &std::collections::VecDeque<crate::token::Token>) {
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for token in term.iter() {
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write!(file, "{}{}\n", indent, token).unwrap();
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}
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}
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fn write_block(file: &mut std::fs::File, indent: &mut String, block: &std::collections::VecDeque<Expr>) {
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indent.push('\t');
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block.iter().for_each(|expr| write_expr(file, indent, expr));
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indent.pop();
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}
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pub fn convert_to_erpn<'a>(funcs: &mut Vec<Func<'a>>, declrs: &Vec<Declr<'a>>) {
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let mut file = std::fs::OpenOptions::new().write(true).create(true).truncate(true).open("test.erpn").unwrap();
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let mut indent = String::new();
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for (x, func) in funcs.iter().enumerate() {
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// write function name
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write!(&mut file, "{}:\n", declrs[x].name.unwrap()).unwrap();
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// write down function body
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write_expr(&mut file, &mut indent, func.expr.as_ref().unwrap());
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}
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} |