Support floor division assignment (//=) (#293)

* Support floor division assignment (//=) * Remove from 5.3
Kampfkarren · Dec 1, 2023 · a289a77 · a289a77
1 parent e884b09
commit a289a77
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+### Added
+- Added support for parsing Luau's floor division assignment `//=`
+
 ## [0.19.0] - 2023-11-10
 ### Added
 - Added support for parsing Luau's floor division `//`

diff --git a/full-moon/src/ast/parsers.rs b/full-moon/src/ast/parsers.rs
@@ -2260,6 +2260,7 @@ make_op_parser!(CompoundOp, ParseCompoundOp,
         MinusEqual,
         StarEqual,
         SlashEqual,
+        DoubleSlashEqual,
         PercentEqual,
         CaretEqual,
         TwoDotsEqual,

diff --git a/full-moon/src/ast/types.rs b/full-moon/src/ast/types.rs
@@ -683,6 +683,7 @@ make_op!(CompoundOp,
         MinusEqual,
         StarEqual,
         SlashEqual,
+        DoubleSlashEqual,
         PercentEqual,
         CaretEqual,
         TwoDotsEqual,
@@ -697,6 +698,7 @@ impl CompoundOp {
             | Self::MinusEqual(token)
             | Self::StarEqual(token)
             | Self::SlashEqual(token)
+            | Self::DoubleSlashEqual(token)
             | Self::PercentEqual(token)
             | Self::CaretEqual(token)
             | Self::TwoDotsEqual(token) => token,

diff --git a/full-moon/src/atom.rs b/full-moon/src/atom.rs
@@ -240,6 +240,10 @@ pub(crate) enum Atom {
     #[token("/=")]
     SlashEqual,
 
+    #[cfg(feature = "roblox")]
+    #[token("//=")]
+    DoubleSlashEqual,
+
     #[cfg(feature = "roblox")]
     #[token("%=")]
     PercentEqual,

diff --git a/full-moon/src/tokenizer.rs b/full-moon/src/tokenizer.rs
@@ -63,6 +63,10 @@ pub enum Symbol {
     #[cfg_attr(feature = "serde", serde(rename = "/="))]
     SlashEqual,
 
+    #[cfg(feature = "roblox")]
+    #[cfg_attr(feature = "serde", serde(rename = "//="))]
+    DoubleSlashEqual,
+
     #[cfg_attr(feature = "serde", serde(rename = "%="))]
     PercentEqual,
 
@@ -224,6 +228,8 @@ impl TryFrom<Atom> for Symbol {
             #[cfg(feature = "roblox")]
             Atom::SlashEqual => Symbol::SlashEqual,
             #[cfg(feature = "roblox")]
+            Atom::DoubleSlashEqual => Symbol::DoubleSlashEqual,
+            #[cfg(feature = "roblox")]
             Atom::PercentEqual => Symbol::PercentEqual,
             #[cfg(feature = "roblox")]
             Atom::CaretEqual => Symbol::CaretEqual,
@@ -308,6 +314,8 @@ impl Display for Symbol {
             Symbol::MinusEqual => "-=",
             Symbol::StarEqual => "*=",
             Symbol::SlashEqual => "/=",
+            #[cfg(feature = "roblox")]
+            Symbol::DoubleSlashEqual => "//=",
             Symbol::PercentEqual => "%=",
             Symbol::CaretEqual => "^=",
             Symbol::TwoDotsEqual => "..=",