compiler: Type Check All Binary Operators

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
2026-05-22 20:42:35 -04:00
parent bc51b4e280
commit 97a672bd6d
4 changed files with 57 additions and 111 deletions
@@ -463,3 +463,32 @@ import TreeSitterP4
  )

 }
+
+@Test func test_field_read_equality_invalid_type() async throws {
+  let simple_parser_declaration = """
+      parser main_parser() {
+        state start {
+          transition select (ts.yesno == "testing") {
+            true: accept;
+            false: reject;
+          };
+        }
+      };
+    """
+  var test_declarations = VarTypeScopes().enter()
+  let fields = P4StructFields([
+    P4StructFieldIdentifier(name: "yesno", withType: P4QualifiedType(P4Boolean())),
+    P4StructFieldIdentifier(name: "count", withType: P4QualifiedType(P4Int())),
+  ])
+  let struct_type = P4Struct(withName: Identifier(name: "Testing"), andFields: fields)
+  test_declarations = test_declarations.declare(identifier: Identifier(name: "ts"), withValue: P4QualifiedType(struct_type))
+
+  #expect(
+    #RequireErrorResult(
+      Error(
+        withMessage: "{68, 21}: Could not parse transition select expression selector expression: Types of values used with binary expression are not the same"
+      ),
+      Program.Compile(simple_parser_declaration, withGlobalInstances: test_declarations))
+  )
+}
+