Assign

parser/src/grammar.pest

@@ -45,6 +45,7 @@ statement_list = { statement* }
 statement = _{
     expr_stmt
   | var_decl_statement
+  | assign_statement
   | if_stmt
   | while_stmt
   | return_stmt
@@ -65,6 +66,8 @@ continue_stmt = { "continue" ~ ";" }
 
 var_decl_statement = { var_decl ~ ("=" ~ expr)? ~ ";" }
 
+assign_statement = { expr ~ "=" ~ expr ~ ";" }
+
 if_stmt = {
     "if" ~ "(" ~ expr ~ ")" ~ statement ~ ("else" ~ statement)?
 }

parser/src/lib.rs

@@ -262,6 +262,15 @@ impl From<pest::iterators::Pair<'_, Rule>> for Statement {
                 })
             }
 
+            Rule::assign_statement => {
+                let mut inner = pair.into_inner();
+
+                Statement::VarAssign(VarAssignStmt {
+                    target: Expression::from(inner.next().unwrap()),
+                    value: Expression::from(inner.next().unwrap()),
+                })
+            }
+
             _ => unimplemented!(
                 "Statement parsing not implemented yet: {:?}",
                 pair.as_rule()