Merge pull request #2393 from apiology/maintain_environment_api_compatibility

Restore RBS::Environment#declarations for backwards-compatibility

Author: soutaro

lib/rbs/environment.rb

@@ -11,6 +11,10 @@ class Environment
 
     attr_reader :sources
 
+    def declarations
+      sources.flat_map(&:declarations)
+    end
+
     class SingleEntry
       attr_reader :name
       attr_reader :context

sig/environment.rbs

@@ -30,6 +30,9 @@ module RBS
     class GlobalEntry < SingleEntry[Symbol, AST::Declarations::Global]
     end
 
+    # Top level declarations
+    def declarations: () -> Array[AST::Ruby::Declarations::t | AST::Declarations::t]
+
     # Array of source objects loaded in the environment
     #
     attr_reader sources: Array[Source::t]