From 07cbb7d73deed8dac3eecdbdc7e1eaf6938a6cd6 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 27 Aug 2018 12:22:09 +0300
Subject: Support if-let in scopes

---
 crates/libsyntax2/src/ast/generated.rs | 66 ++++++++++++++++++++++++++++++----
 1 file changed, 60 insertions(+), 6 deletions(-)

(limited to 'crates/libsyntax2/src/ast/generated.rs')

diff --git a/crates/libsyntax2/src/ast/generated.rs b/crates/libsyntax2/src/ast/generated.rs
index 1dd161f52..6891e857c 100644
--- a/crates/libsyntax2/src/ast/generated.rs
+++ b/crates/libsyntax2/src/ast/generated.rs
@@ -141,7 +141,11 @@ impl<'a> AstNode<'a> for BlockExpr<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> BlockExpr<'a> {}
+impl<'a> BlockExpr<'a> {
+    pub fn block(self) -> Option<Block<'a>> {
+        super::child_opt(self)
+    }
+}
 
 // BreakExpr
 #[derive(Debug, Clone, Copy)]
@@ -197,6 +201,32 @@ impl<'a> AstNode<'a> for CastExpr<'a> {
 
 impl<'a> CastExpr<'a> {}
 
+// Condition
+#[derive(Debug, Clone, Copy)]
+pub struct Condition<'a> {
+    syntax: SyntaxNodeRef<'a>,
+}
+
+impl<'a> AstNode<'a> for Condition<'a> {
+    fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
+        match syntax.kind() {
+            CONDITION => Some(Condition { syntax }),
+            _ => None,
+        }
+    }
+    fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
+}
+
+impl<'a> Condition<'a> {
+    pub fn pat(self) -> Option<Pat<'a>> {
+        super::child_opt(self)
+    }
+
+    pub fn expr(self) -> Option<Expr<'a>> {
+        super::child_opt(self)
+    }
+}
+
 // ConstDef
 #[derive(Debug, Clone, Copy)]
 pub struct ConstDef<'a> {
@@ -403,7 +433,11 @@ impl<'a> AstNode<'a> for ExprStmt<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> ExprStmt<'a> {}
+impl<'a> ExprStmt<'a> {
+    pub fn expr(self) -> Option<Expr<'a>> {
+        super::child_opt(self)
+    }
+}
 
 // FieldExpr
 #[derive(Debug, Clone, Copy)]
@@ -504,7 +538,11 @@ impl<'a> AstNode<'a> for ForExpr<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> ForExpr<'a> {}
+impl<'a> ForExpr<'a> {
+    pub fn body(self) -> Option<Block<'a>> {
+        super::child_opt(self)
+    }
+}
 
 // ForType
 #[derive(Debug, Clone, Copy)]
@@ -540,7 +578,11 @@ impl<'a> AstNode<'a> for IfExpr<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> IfExpr<'a> {}
+impl<'a> IfExpr<'a> {
+    pub fn condition(self) -> Option<Condition<'a>> {
+        super::child_opt(self)
+    }
+}
 
 // ImplItem
 #[derive(Debug, Clone, Copy)]
@@ -674,7 +716,11 @@ impl<'a> AstNode<'a> for LoopExpr<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> LoopExpr<'a> {}
+impl<'a> LoopExpr<'a> {
+    pub fn body(self) -> Option<Block<'a>> {
+        super::child_opt(self)
+    }
+}
 
 // MatchArm
 #[derive(Debug, Clone, Copy)]
@@ -1742,5 +1788,13 @@ impl<'a> AstNode<'a> for WhileExpr<'a> {
     fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
 }
 
-impl<'a> WhileExpr<'a> {}
+impl<'a> WhileExpr<'a> {
+    pub fn condition(self) -> Option<Condition<'a>> {
+        super::child_opt(self)
+    }
+
+    pub fn body(self) -> Option<Block<'a>> {
+        super::child_opt(self)
+    }
+}
 
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