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authorVincent Ambo <mail@tazj.in>2021-10-02T12·55+0300
committertazjin <mail@tazj.in>2021-10-19T12·58+0000
commitad7e591c8046d6e179476192ef9928d5fae78422 (patch)
tree52347fd8cdd8f7d888746abbd6f66a3a2946de83 /users/tazjin/rlox/src/bytecode/vm.rs
parent6a38600ce88bbf2d9fa9a3821d7df3ebd8e0d4f3 (diff)
feat(tazjin/rlox): Global variable assignment r/2977
Needed for example code compatibility.

Change-Id: Id83210eaaad7dcfef5aa238dd3a7ec159f6935e9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3684
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Diffstat (limited to 'users/tazjin/rlox/src/bytecode/vm.rs')
-rw-r--r--users/tazjin/rlox/src/bytecode/vm.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/users/tazjin/rlox/src/bytecode/vm.rs b/users/tazjin/rlox/src/bytecode/vm.rs
index 0cd0853764e0..4432473ee649 100644
--- a/users/tazjin/rlox/src/bytecode/vm.rs
+++ b/users/tazjin/rlox/src/bytecode/vm.rs
@@ -181,6 +181,19 @@ impl VM {
                         self.push(val)
                     });
                 }
+
+                OpCode::OpSetGlobal(name_idx) => {
+                    let name = self.chunk.constant(*name_idx).clone();
+                    let new_val = self.pop();
+                    with_type!(self, name, Value::String(name), {
+                        match self.globals.get_mut(&name) {
+                            None => unimplemented!("variable not found error"),
+                            Some(val) => {
+                                *val = new_val;
+                            }
+                        }
+                    });
+                }
             }
 
             #[cfg(feature = "disassemble")]