ABI and AST tests.

test/libsolidity/ABIJson/global_struct.sol

@@ -0,0 +1,58 @@
+pragma experimental ABIEncoderV2;
+struct S { uint a; }
+contract C {
+    function f(S calldata s) external view {}
+    function g(S memory s) public view {}
+}
+// ----
+//     :C
+// [
+//   {
+//     "constant": true,
+//     "inputs":
+//     [
+//       {
+//         "components":
+//         [
+//           {
+//             "internalType": "uint256",
+//             "name": "a",
+//             "type": "uint256"
+//           }
+//         ],
+//         "internalType": "struct S",
+//         "name": "s",
+//         "type": "tuple"
+//       }
+//     ],
+//     "name": "g",
+//     "outputs": [],
+//     "payable": false,
+//     "stateMutability": "view",
+//     "type": "function"
+//   },
+//   {
+//     "constant": true,
+//     "inputs":
+//     [
+//       {
+//         "components":
+//         [
+//           {
+//             "internalType": "uint256",
+//             "name": "a",
+//             "type": "uint256"
+//           }
+//         ],
+//         "internalType": "struct S",
+//         "name": "s",
+//         "type": "tuple"
+//       }
+//     ],
+//     "name": "f",
+//     "outputs": [],
+//     "payable": false,
+//     "stateMutability": "view",
+//     "type": "function"
+//   }
+// ]

test/libsolidity/ASTJSON/global_enum.json

@@ -0,0 +1,32 @@
+{
+	"absolutePath" : "a",
+	"exportedSymbols" : 
+	{
+		"E" : 
+		[
+			2
+		]
+	},
+	"id" : 3,
+	"nodeType" : "SourceUnit",
+	"nodes" : 
+	[
+		{
+			"canonicalName" : "E",
+			"id" : 2,
+			"members" : 
+			[
+				{
+					"id" : 1,
+					"name" : "A",
+					"nodeType" : "EnumValue",
+					"src" : "9:1:1"
+				}
+			],
+			"name" : "E",
+			"nodeType" : "EnumDefinition",
+			"src" : "0:12:1"
+		}
+	],
+	"src" : "0:13:1"
+}

test/libsolidity/ASTJSON/global_enum.sol

@@ -0,0 +1,3 @@
+enum E { A }
+
+// ----

test/libsolidity/ASTJSON/global_enum_legacy.json

@@ -0,0 +1,41 @@
+{
+	"attributes" : 
+	{
+		"absolutePath" : "a",
+		"exportedSymbols" : 
+		{
+			"E" : 
+			[
+				2
+			]
+		}
+	},
+	"children" : 
+	[
+		{
+			"attributes" : 
+			{
+				"canonicalName" : "E",
+				"name" : "E"
+			},
+			"children" : 
+			[
+				{
+					"attributes" : 
+					{
+						"name" : "A"
+					},
+					"id" : 1,
+					"name" : "EnumValue",
+					"src" : "9:1:1"
+				}
+			],
+			"id" : 2,
+			"name" : "EnumDefinition",
+			"src" : "0:12:1"
+		}
+	],
+	"id" : 3,
+	"name" : "SourceUnit",
+	"src" : "0:13:1"
+}

test/libsolidity/ASTJSON/global_struct.json

@@ -0,0 +1,58 @@
+{
+	"absolutePath" : "a",
+	"exportedSymbols" : 
+	{
+		"S" : 
+		[
+			3
+		]
+	},
+	"id" : 4,
+	"nodeType" : "SourceUnit",
+	"nodes" : 
+	[
+		{
+			"canonicalName" : "S",
+			"id" : 3,
+			"members" : 
+			[
+				{
+					"constant" : false,
+					"id" : 2,
+					"name" : "a",
+					"nodeType" : "VariableDeclaration",
+					"overrides" : null,
+					"scope" : 3,
+					"src" : "11:9:1",
+					"stateVariable" : false,
+					"storageLocation" : "default",
+					"typeDescriptions" : 
+					{
+						"typeIdentifier" : "t_uint256",
+						"typeString" : "uint256"
+					},
+					"typeName" : 
+					{
+						"id" : 1,
+						"name" : "uint256",
+						"nodeType" : "ElementaryTypeName",
+						"src" : "11:7:1",
+						"typeDescriptions" : 
+						{
+							"typeIdentifier" : "t_uint256",
+							"typeString" : "uint256"
+						}
+					},
+					"value" : null,
+					"visibility" : "internal"
+				}
+			],
+			"name" : "S",
+			"nodeType" : "StructDefinition",
+			"scope" : 4,
+			"src" : "0:23:1",
+			"visibility" : "public"
+		}
+	],
+	"src" : "0:24:1"
+}

test/libsolidity/ASTJSON/global_struct.sol

@@ -0,0 +1,3 @@
+struct S { uint256 a; }
+
+// ----

test/libsolidity/ASTJSON/global_struct_legacy.json

@@ -0,0 +1,64 @@
+{
+	"attributes" : 
+	{
+		"absolutePath" : "a",
+		"exportedSymbols" : 
+		{
+			"S" : 
+			[
+				3
+			]
+		}
+	},
+	"children" : 
+	[
+		{
+			"attributes" : 
+			{
+				"canonicalName" : "S",
+				"name" : "S",
+				"scope" : 4,
+				"visibility" : "public"
+			},
+			"children" : 
+			[
+				{
+					"attributes" : 
+					{
+						"constant" : false,
+						"name" : "a",
+						"overrides" : null,
+						"scope" : 3,
+						"stateVariable" : false,
+						"storageLocation" : "default",
+						"type" : "uint256",
+						"value" : null,
+						"visibility" : "internal"
+					},
+					"children" : 
+					[
+						{
+							"attributes" : 
+							{
+								"name" : "uint256",
+								"type" : "uint256"
+							},
+							"id" : 1,
+							"name" : "ElementaryTypeName",
+							"src" : "11:7:1"
+						}
+					],
+					"id" : 2,
+					"name" : "VariableDeclaration",
+					"src" : "11:9:1"
+				}
+			],
+			"id" : 3,
+			"name" : "StructDefinition",
+			"src" : "0:23:1"
+		}
+	],
+	"id" : 4,
+	"name" : "SourceUnit",
+	"src" : "0:24:1"
+}