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good error

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This commit is contained in:
nora 2022-06-27 12:17:40 +02:00
parent 72fbc4e55a
commit 72687d4167
2 changed files with 12 additions and 4 deletions
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2
src/interpret.rs
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@ -120,7 +120,7 @@ impl InterpretCtx {
let is_ok = std::io::stdin().read_exact(slice).is_ok(); let is_ok = std::io::stdin().read_exact(slice).is_ok();
*self.reg_mut(Register(0)) = if is_ok { 0 } else { 1 }; *self.reg_mut(Register(0)) = if is_ok { 0 } else { 1 };
} }
_ => panic!("invalid interrupt!"), _ => unreachable!("checked in compiler"),
} }
} }

14
src/ir.rs
View file

@ -102,7 +102,7 @@ impl CompileCtx {
Stmt::Div { to, value } Stmt::Div { to, value }
} }
StmtKind::Int { number } => { StmtKind::Int { number } => {
if number > 1 { if number > 2 {
return Err(CompilerError::simple( return Err(CompilerError::simple(
"invalid interrupt".to_string(), "invalid interrupt".to_string(),
p_stmt.span, p_stmt.span,
@ -155,7 +155,10 @@ impl CompileCtx {
nested.span, nested.span,
"save the first result in a temporary register".to_string(), "save the first result in a temporary register".to_string(),
)), )),
ExprKind::Symbol(_) => todo!("compile to AddrLiteral"), ExprKind::Symbol(_) => return Err(CompilerError::simple(
"symbol not allowed here".to_owned(),
expr.span,
))
}, },
} }
} }
@ -163,7 +166,12 @@ impl CompileCtx {
fn compile_value(&mut self, expr: parser::Expr) -> Result<Value> { fn compile_value(&mut self, expr: parser::Expr) -> Result<Value> {
match expr.kind { match expr.kind {
ExprKind::Number(n) => Ok(Value::Literal(n)), ExprKind::Number(n) => Ok(Value::Literal(n)),
ExprKind::Symbol(_) => todo!("compile to Literal"), ExprKind::Symbol(_) => {
return Err(CompilerError::simple(
"symbol not allowed here".to_owned(),
expr.span,
))
}
_ => Ok(Value::Place(self.compile_place(expr)?)), _ => Ok(Value::Place(self.compile_place(expr)?)),
} }
} }