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-rw-r--r--src/compiler.rs17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/compiler.rs b/src/compiler.rs
index b7e946c..c59de4d 100644
--- a/src/compiler.rs
+++ b/src/compiler.rs
@@ -446,6 +446,15 @@ impl Compiler {
self.stack.truncate(h);
}
+ fn type_ident(&mut self) -> Result<Type, ()> {
+ if let Token::Identifier(typ) = self.peek() {
+ self.eat();
+ Type::try_from(typ.as_ref())
+ } else {
+ Err(())
+ }
+ }
+
fn statement(&mut self, block: &mut Block) {
self.clear_panic();
@@ -462,14 +471,14 @@ impl Compiler {
block.add(Op::Print, self.line());
},
- tokens!(Token::Identifier(name), Token::Identifier(typ), Token::ColonEqual) => {
- self.eat();
+ tokens!(Token::Identifier(name), Token::Colon) => {
self.eat();
self.eat();
- if let Ok(typ) = Type::try_from(typ.as_ref()) {
+ if let Ok(typ) = self.type_ident() {
+ expect!(self, Token::Equal, "Expected assignment.");
self.define_variable(&name, typ, block);
} else {
- error!(self, format!("Failed to parse type '{}'.", typ));
+ error!(self, format!("Expected type found '{:?}'.", self.peek()));
}
}