Rust: matched_expr -> scrutinee

rust/ql/lib/codeql/rust/controlflow/internal/ControlFlowGraphImpl.qll

@@ -514,14 +514,14 @@ module ExprTrees {
 
   class MatchExprTree extends PostOrderTree instanceof MatchExpr {
     override predicate propagatesAbnormal(AstNode child) {
-      child = [super.getMatchedExpr(), super.getAnArm().getExpr()]
+      child = [super.getScrutinee(), super.getAnArm().getExpr()]
     }
 
-    override predicate first(AstNode node) { first(super.getMatchedExpr(), node) }
+    override predicate first(AstNode node) { first(super.getScrutinee(), node) }
 
     override predicate succ(AstNode pred, AstNode succ, Completion c) {
       // Edge from the scrutinee to the first arm or to the match expression if no arms.
-      last(super.getMatchedExpr(), pred, c) and
+      last(super.getScrutinee(), pred, c) and
       (
         first(super.getArm(0).getPat(), succ)
         or

rust/ql/lib/codeql/rust/elements/internal/MatchExprImpl.qll

@@ -29,7 +29,7 @@ module Impl {
    */
   class MatchExpr extends Generated::MatchExpr {
     override string toString() {
-      result = "match " + this.getMatchedExpr().toAbbreviatedString() + " { ... }"
+      result = "match " + this.getScrutinee().toAbbreviatedString() + " { ... }"
     }
 
     /**

rust/ql/test/extractor-tests/generated/MatchExpr/MatchExpr.expected

@@ -1,2 +1,2 @@
-| gen_match_expr.rs:5:5:8:5 | match x { ... } | getNumberOfAttrs: | 0 | hasMatchedExpr: | yes | hasMatchArmList: | yes |
-| gen_match_expr.rs:9:5:12:5 | match x { ... } | getNumberOfAttrs: | 0 | hasMatchedExpr: | yes | hasMatchArmList: | yes |
+| gen_match_expr.rs:5:5:8:5 | match x { ... } | getNumberOfAttrs: | 0 | hasScrutinee: | yes | hasMatchArmList: | yes |
+| gen_match_expr.rs:9:5:12:5 | match x { ... } | getNumberOfAttrs: | 0 | hasScrutinee: | yes | hasMatchArmList: | yes |

rust/schema/annotations.py

@@ -289,7 +289,7 @@ class _:
     }
     ```
     """
-    expr: _ | ql.name("matched_expr")
+    expr: _ | ql.name("scrutinee") | doc("scrutinee (the expression being matched) of this match expression")
 
 
 @annotate(ContinueExpr, cfg = True)