Reorganize golang specs

spec/runtime/languages/golang/declarations.txt

@@ -1,5 +1,5 @@
 ==========================================
-parses trivial programs
+parses simple declarations
 ==========================================
 package trivial
 
@@ -18,24 +18,13 @@ parses comments
 ==========================================
 package trivial
 
+var x = 1 // on package
+
 func main() {
-    // do stuff
+    // in function
 }
 ---
 (program
     (package_directive (package_name))
-    (func_declaration (var_name) (statement_block
-        (comment))))
-
-==========================================
-handles indented code after blocks
-=========================================
-package trivial
-
-  func one() {}
-  func two() {}
----
-(program
-    (package_directive (package_name))
-    (func_declaration (var_name) (statement_block))
-    (func_declaration (var_name) (statement_block)))
+    (var_declaration (var_name) (expression (number) (comment)))
+    (func_declaration (var_name) (statement_block (comment))))

spec/runtime/languages/golang/errors.txt

@@ -0,0 +1,12 @@
+==========================================
+handles indented code after blocks
+=========================================
+package trivial
+
+  func one() {}
+    func two() {}
+---
+(program
+    (package_directive (package_name))
+    (func_declaration (var_name) (statement_block))
+    (func_declaration (var_name) (statement_block)))

spec/runtime/languages/golang/expressions.txt

@@ -31,22 +31,3 @@ func main() {
             (selector_expression (var_name) (var_name))
             (selector_expression (selector_expression (var_name) (var_name)) (var_name)))))))
 
-============================================
-parses return statements
-============================================
-package main
-
-func main() {
-    return
-}
-
-func helper() {
-    return 1, two, "three"
-}
----
-(program
-    (package_directive (package_name))
-    (func_declaration (var_name) (statement_block
-        (return_statement)))
-    (func_declaration (var_name) (statement_block
-        (return_statement (number) (var_name) (string)))))

spec/runtime/languages/golang/statements.txt

@@ -0,0 +1,19 @@
+============================================
+parses return statements
+============================================
+package main
+
+func main() {
+    return
+}
+
+func helper() {
+    return 1, two, "three"
+}
+---
+(program
+    (package_directive (package_name))
+    (func_declaration (var_name) (statement_block
+        (return_statement)))
+    (func_declaration (var_name) (statement_block
+        (return_statement (number) (var_name) (string)))))