add ContractDefinition.storageLayout

Author: heap-coder

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+### 0.4.60 (2025-03-15)
+
+- Added `ContractDefinition.storageLayout`, available since Solidity 0.8.29, corresponding to `layout at`.
+
 ### 0.4.59 (2024-09-06)
 
 - Added `'transient'` as a possible value for `VariableDeclaration.storageLocation`, available since Solidity 0.8.27.

scripts/build-schema.js

@@ -289,6 +289,11 @@ const schema = {
         usedErrors: optional(array(integer)),
         usedEvents: optional(array(integer)),
         internalFunctionIDs: optional(record(integer)),
+        storageLayout: optional(ref('StorageLayoutSpecifier')),
+      },
+
+      StorageLayoutSpecifier: {
+        baseSlotExpression: ref('Expression'),
       },
 
       DoWhileStatement: {