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mob

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This commit is contained in:
nora 2022-06-20 17:06:43 +02:00
parent ce7deb7dc6
commit f9a3d93558
5 changed files with 108 additions and 27 deletions
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10
src/parser.rs
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@ -9,6 +9,8 @@ use crate::error::{CompilerError, Result};
pub enum Token<'a> {
#[token("mov")]
Mov,
#[token("movb")]
Movb,
#[token("jmp")]
Jmp,
#[token("je")]
@ -63,6 +65,7 @@ impl DebugPls for Stmt {
#[derive(Debug, PartialEq, Eq, DebugPls)]
pub enum StmtKind {
Mov { to: Expr, from: Expr },
Movb { to: Expr, from: Expr },
Add { to: Expr, value: Expr },
Sub { to: Expr, value: Expr },
Mul { to: Expr, value: Expr },
@ -160,6 +163,12 @@ where
let from = self.expr()?;
stmt(span.start..from.span.end, StmtKind::Mov { to, from })
}
Token::Movb => {
let to = self.expr()?;
expect!(self, Token::Comma);
let from = self.expr()?;
stmt(span.start..from.span.end, StmtKind::Movb { to, from })
}
Token::Jmp => {
let to = self.expr()?;
stmt(span.start..to.span.end, StmtKind::Jmp { to })
@ -260,6 +269,7 @@ where
expr(ExprKind::Symbol(name.to_owned()), span)
}
Token::Mov => return Err(CompilerError::not_allowed(span, "mov")),
Token::Movb => return Err(CompilerError::not_allowed(span, "movb")),
Token::Jmp => return Err(CompilerError::not_allowed(span, "jmp")),
Token::Je => return Err(CompilerError::not_allowed(span, "je")),
Token::Cmp => return Err(CompilerError::not_allowed(span, "cmp")),