1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/rust/jsparagus-stencil/src/regexp.rs b/third_party/rust/jsparagus-stencil/src/regexp.rs
new file mode 100644
index 0000000000..47356b1fd3
--- /dev/null
+++ b/third_party/rust/jsparagus-stencil/src/regexp.rs
@@ -0,0 +1,54 @@
+use ast::source_slice_list::SourceSliceIndex;
+
+#[derive(Debug)]
+pub struct RegExpItem {
+    pub pattern: SourceSliceIndex,
+    pub global: bool,
+    pub ignore_case: bool,
+    pub multi_line: bool,
+    pub dot_all: bool,
+    pub sticky: bool,
+    pub unicode: bool,
+}
+
+/// Index into RegExpList.atoms.
+#[derive(Debug, Clone, Copy)]
+pub struct RegExpIndex {
+    index: usize,
+}
+
+impl RegExpIndex {
+    fn new(index: usize) -> Self {
+        Self { index }
+    }
+}
+
+impl From<RegExpIndex> for usize {
+    fn from(index: RegExpIndex) -> usize {
+        index.index
+    }
+}
+
+/// List of RegExp.
+#[derive(Debug)]
+pub struct RegExpList {
+    items: Vec<RegExpItem>,
+}
+
+impl RegExpList {
+    pub fn new() -> Self {
+        Self { items: Vec::new() }
+    }
+
+    pub fn push(&mut self, item: RegExpItem) -> RegExpIndex {
+        let index = self.items.len();
+        self.items.push(item);
+        RegExpIndex::new(index)
+    }
+}
+
+impl From<RegExpList> for Vec<RegExpItem> {
+    fn from(list: RegExpList) -> Vec<RegExpItem> {
+        list.items
+    }
+}