64 lines
1.4 KiB
Rust
64 lines
1.4 KiB
Rust
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use crate::tokenizer::{Token, TokenType};
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pub fn generate(tokens: Vec<Token>) -> String {
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let mut output = String::new();
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output.push_str(
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"section .bss\n\
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result: resb 65536\n",
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);
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// global start label
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output.push_str(
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"global _start\n\
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section .text\n\
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_start:\n",
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);
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// NOTE: For debugging only
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output.push_str("mov dl, 48\n");
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for token in tokens {
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match token.r#type {
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TokenType::Plus(x) => {
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output.push_str(&format!(
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"add dl, {x}\n\
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mov byte [result], dl\n"
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));
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}
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TokenType::Minus(x) => {
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output.push_str(&format!(
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"sub dl, {x}\n\
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mov byte [result], dl\n"
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));
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}
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TokenType::MoveRight(_) => todo!(),
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TokenType::MoveLeft(_) => todo!(),
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TokenType::Output => {
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output.push_str(
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"push rdx\n\
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mov byte [result + 1], 10\n\
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mov rax, 1\n\
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mov rdi, 1\n\
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mov rsi, result\n\
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mov rdx, 4\n\
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syscall\n\
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pop rdx\n",
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);
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}
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TokenType::Input => todo!(),
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TokenType::BracketOpen => todo!(),
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TokenType::BracketClose => todo!(),
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}
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}
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// exit syscall
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output.push_str(
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"mov rax, 60\n\
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mov rdi, 0\n\
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syscall\n",
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);
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output
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}
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