updating antlr parser and adding an extra test to check it matches

Author: Janther

package-lock.json

@@ -112,7 +112,7 @@
   },
   "dependencies": {
     "@nomicfoundation/slang": "1.2.1",
-    "@solidity-parser/parser": "^0.20.1",
+    "@solidity-parser/parser": "^0.20.2",
     "semver": "^7.7.2"
   },
   "peerDependencies": {

package.json

@@ -43,6 +43,7 @@ abstract contract FunctionInterfaces {
 
 contract FunctionDefinitions {
   fallback () external {}
+  fallback () {}
   fallback () external payable {}
   fallback() external payable virtual {}
   fallback(bytes calldata _input) external {}

tests/format/FunctionDefinitions/FunctionDefinitions.sol

@@ -51,6 +51,7 @@ abstract contract FunctionInterfaces {
 
 contract FunctionDefinitions {
   fallback () external {}
+  fallback () {}
   fallback () external payable {}
   fallback() external payable virtual {}
   fallback(bytes calldata _input) external {}
@@ -412,6 +413,7 @@ abstract contract FunctionInterfaces {
 
 contract FunctionDefinitions {
     fallback() external {}
+    fallback() {}
     fallback() external payable {}
     fallback() external payable virtual {}
     fallback(bytes calldata _input) external {}