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authorVincent Ambo <mail@tazj.in>2021-02-28T13·15+0200
committertazjin <mail@tazj.in>2021-02-28T14·36+0000
commit47ffa8071152bcafb4b6ff87a3142bf12dbce12b (patch)
treea97b223762525febc0a2cfefa5be413a7b80e901 /users/tazjin/rlox/src/bytecode/opcode.rs
parent127ef984865500d70176347861b2e8bad29a39be (diff)
feat(tazjin/rlox): Support trivial literals in bytecode compiler r/2252
Adds support for true, false & nil. These each come with a new
separate opcode and are pushed directly on the stack.

Change-Id: I405b5b09496dcf99d514d3411c083e0834377167
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2571
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/tazjin/rlox/src/bytecode/opcode.rs')
-rw-r--r--users/tazjin/rlox/src/bytecode/opcode.rs7
1 files changed, 6 insertions, 1 deletions
diff --git a/users/tazjin/rlox/src/bytecode/opcode.rs b/users/tazjin/rlox/src/bytecode/opcode.rs
index 0f070ce9fffc..057fa7697719 100644
--- a/users/tazjin/rlox/src/bytecode/opcode.rs
+++ b/users/tazjin/rlox/src/bytecode/opcode.rs
@@ -1,8 +1,13 @@
 #[derive(Debug)]
 pub enum OpCode {
-    /// Access a constant for use.
+    /// Push a constant onto the stack.
     OpConstant(usize),
 
+    // Literal pushes
+    OpNil,
+    OpTrue,
+    OpFalse,
+
     /// Return from the current function.
     OpReturn,