Rename $mref -> $inherits

arch/certificate_model/MockCertificateModel.yaml

@@ -38,7 +38,7 @@ MockCertificateModel:
 
 # XXX - Remove version information since specifying priv/unpriv ISA manual should imply this.
   extensions:
-    $mref:
+    $inherits:
     - "../profile_release/MockProfileRelease.yaml#/MockProfileRelease/profiles/MP-U-64/extensions"
     - "../profile_release/MockProfileRelease.yaml#/MockProfileRelease/profiles/MP-S-64/extensions"
     I:

arch/inst/I/addi.yaml

@@ -9,7 +9,7 @@ addi:
     match: -----------------000-----0010011
     variables:
     - name: imm
-      $mref: ../../common/inst_variable_types.yaml#/itype_imm
+      $inherits: ../../common/inst_variable_types.yaml#/itype_imm
     - name: rs1
       location: 19-15
     - name: rd

arch/profile_release/MockProfileRelease.yaml

@@ -42,7 +42,7 @@ MockProfileRelease:
         email: [email protected]
         company: Disney
       extensions:
-        $mref: "#/MockProfileRelease/profiles/MP-U-64/extensions"
+        $inherits: "#/MockProfileRelease/profiles/MP-U-64/extensions"
         A:
           presence: mandatory
         S:

arch/profile_release/RVA20.yaml

@@ -43,7 +43,7 @@ RVA20:
         most important profile within application processors in
         terms of the amount of software that targets this profile.
       extensions:
-        $mref: "RVI20.yaml#/RVI20/profiles/RVI20U64/extensions"
+        $inherits: "RVI20.yaml#/RVI20/profiles/RVI20U64/extensions"
         $remove: Zifencei   # Not allowed as an option for Unpriv ISA (only available in Priv ISA).
         A:
           presence: mandatory

arch/profile_release/RVA22.yaml

@@ -43,7 +43,7 @@ RVA22:
         most important profile within application processors in
         terms of the amount of software that targets this profile.
       extensions:
-        $mref: "RVA20.yaml#/RVA20/profiles/RVA20U64/extensions"
+        $inherits: "RVA20.yaml#/RVA20/profiles/RVA20U64/extensions"
         Zihpm:
           presence: mandatory
           version: "= 2.0"
@@ -167,7 +167,7 @@ RVA22:
         processors.  RVA22S64 is based on privileged architecture version
         1.12.
       extensions:
-        $mref: "RVA20.yaml#/RVA20/profiles/RVA20S64/extensions"
+        $inherits: "RVA20.yaml#/RVA20/profiles/RVA20S64/extensions"
         S:
           presence: mandatory
           version: "= 1.12"

arch/profile_release/RVI20.yaml

@@ -84,6 +84,6 @@ RVI20:
           Implementations are strongly recommended to raise illegal-instruction
           exceptions on attempts to execute unimplemented opcodes.
     RVI20U64:
-      $mref: "#/RVI20/profiles/RVI20U32"
+      $inherits: "#/RVI20/profiles/RVI20U32"
       base: 64
       marketing_name: RVI20U64

lib/test/test_yaml_loader.rb

@@ -15,7 +15,7 @@ def test_remove
         key2: value2
 
       child:
-        $mref: "#/base"
+        $inherits: "#/base"
         $remove: key2
         key3: value3
     YAML
@@ -36,7 +36,7 @@ def test_multiple_remove
         key3: value3
 
       child:
-        $mref: "#/base"
+        $inherits: "#/base"
         $remove:
         - key2
         - key3
@@ -51,20 +51,20 @@ def test_multiple_remove
     assert_equal({ "key1" => "value1", "key4" => "value4" }, doc["child"])
   end
 
-  def test_that_mref_with_nested_replace_works
+  def test_that_inherits_with_nested_replace_works
     yaml = <<~YAML
       base:
         key1:
           sub_key1: value1
         key2: value2
 
       middle:
-        $mref: "#/base"
+        $inherits: "#/base"
         key3: value3
         key4: value4
 
       bottom:
-        $mref:
+        $inherits:
         - "#/base"
         - "#/middle"
         key1:
@@ -82,19 +82,19 @@ def test_that_mref_with_nested_replace_works
     assert_equal({ "key1" => {"sub_key1" => "value1", "sub_key6" => "value6"}, "key2" => "value2_new", "key3" => "value3", "key4" => "value4_new", "key5" => "value5" }, doc["bottom"])
   end
 
-  def test_that_spurious_recursive_mref_works
+  def test_that_spurious_recursive_inherits_works
     yaml = <<~YAML
       base:
         key1: value1
         key2: value2
 
       middle:
-        $mref: "#/base"
+        $inherits: "#/base"
         key3: value3
         key4: value4
 
       bottom:
-        $mref:
+        $inherits:
         - "#/base"
         - "#/middle"
         key2: value2_new
@@ -111,19 +111,19 @@ def test_that_spurious_recursive_mref_works
     assert_equal({ "key1" => "value1", "key2" => "value2_new", "key3" => "value3", "key4" => "value4_new", "key5" => "value5" }, doc["bottom"])
   end
 
-  def test_that_recursive_mref_works
+  def test_that_recursive_inherits_works
     yaml = <<~YAML
       base:
         key1: value1
         key2: value2
 
       middle:
-        $mref: "#/base"
+        $inherits: "#/base"
         key3: value3
         key4: value4
 
       bottom:
-        $mref: "#/middle"
+        $inherits: "#/middle"
         key2: value2_new
         key4: value4_new
         key5: value5
@@ -138,7 +138,7 @@ def test_that_recursive_mref_works
     assert_equal({ "key1" => "value1", "key2" => "value2_new", "key3" => "value3", "key4" => "value4_new", "key5" => "value5" }, doc["bottom"])
   end
 
-  def test_that_nested_mref_works
+  def test_that_nested_inherits_works
     yaml = <<~YAML
     top:
       base:
@@ -148,7 +148,7 @@ def test_that_nested_mref_works
 
     bottom:
       child:
-        $mref: "#/top/base"
+        $inherits: "#/top/base"
         key3: value3_new
     YAML
 
@@ -160,15 +160,15 @@ def test_that_nested_mref_works
     assert_equal({ "key1" => "value1", "key2" => "value2", "key3" => "value3_new" }, doc["bottom"]["child"])
   end
 
-  def test_that_mref_doesnt_delete_keys
+  def test_that_inherits_doesnt_delete_keys
     yaml = <<~YAML
     base:
       key1: value1
       key2: value2
       key3: value3
 
     child:
-      $mref: "#/base"
+      $inherits: "#/base"
       key3: value3_new
     YAML
 
@@ -180,7 +180,7 @@ def test_that_mref_doesnt_delete_keys
     assert_equal({ "key1" => "value1", "key2" => "value2", "key3" => "value3_new" }, doc["child"])
   end
 
-  def test_that_double_mref_doesnt_delete_keys
+  def test_that_double_inherits_doesnt_delete_keys
     yaml = <<~YAML
     base1:
       key1: value1
@@ -193,7 +193,7 @@ def test_that_double_mref_doesnt_delete_keys
       key6: value6
 
     child:
-      $mref:
+      $inherits:
       - "#/base1"
       - "#/base2"
       key3: value3_new
@@ -274,23 +274,23 @@ def test_refs_in_the_different_document
     assert_equal({ "a" => "hash" }, doc["obj3"])
   end
 
-  def test_mrefs_in_the_same_document
+  def test_inheritss_in_the_same_document
     yaml = <<~YAML
       $defs:
         target1: A string
         target2:
           a: hash
 
       obj1:
-        $mref: "#/$defs/target2"
+        $inherits: "#/$defs/target2"
 
       obj2:
-        $mref: "#/$defs/target2"
+        $inherits: "#/$defs/target2"
         a: Should take precedence
 
       obj3:
         a: Should take precedence
-        $mref: "#/$defs/target2"
+        $inherits: "#/$defs/target2"
 
     YAML
 
@@ -304,7 +304,7 @@ def test_mrefs_in_the_same_document
     assert_equal({ "a" => "Should take precedence" }, doc["obj3"])
   end
 
-  def test_mrefs_in_the_different_document
+  def test_inheritss_in_the_different_document
     yaml1 = <<~YAML
       $defs:
         target1: A string
@@ -319,15 +319,15 @@ def test_mrefs_in_the_different_document
 
     yaml2 = <<~YAML
       obj1:
-        $mref: "#{f1_path.basename}#/$defs/target2"
+        $inherits: "#{f1_path.basename}#/$defs/target2"
 
       obj2:
-        $mref: "#{f1_path.basename}#/$defs/target2"
+        $inherits: "#{f1_path.basename}#/$defs/target2"
         a: Should take precedence
 
       obj3:
         a: Should take precedence
-        $mref: "#{f1_path.basename}#/$defs/target2"
+        $inherits: "#{f1_path.basename}#/$defs/target2"
     YAML
 
     f2 = Tempfile.new("yml")
@@ -340,7 +340,7 @@ def test_mrefs_in_the_different_document
     assert_equal({ "a" => "Should take precedence" }, doc["obj3"])
   end
 
-  def test_multi_mrefs_in_the_same_document
+  def test_multi_inheritss_in_the_same_document
     yaml = <<~YAML
       $defs:
         target1:
@@ -349,7 +349,7 @@ def test_multi_mrefs_in_the_same_document
           a: hash
 
       obj1:
-        $mref:
+        $inherits:
         - "#/$defs/target1"
         - "#/$defs/target2"
 
@@ -363,7 +363,7 @@ def test_multi_mrefs_in_the_same_document
     assert_equal({ "a" => "hash", "b" => "nice" }, doc["obj1"])
   end
 
-  def test_that_invalid_mrefs_raise
+  def test_that_invalid_inheritss_raise
     yaml = <<~YAML
       $defs:
         target1:
@@ -372,7 +372,7 @@ def test_that_invalid_mrefs_raise
           a: hash
 
       obj1:
-        $mref: "#/path/to/nowwhere"
+        $inherits: "#/path/to/nowwhere"
 
     YAML
 

lib/yaml_loader.rb

@@ -3,7 +3,7 @@
 require "pathname"
 require "yaml"
 
-# loads a YAML file and expands any $ref/$mref references
+# loads a YAML file and expands any $ref/$inherits references
 class YamlLoader
   @cache = {}
 
@@ -46,42 +46,42 @@ def self.expand(filename, obj, yaml_opts = {})
 
         ref
       end
-    elsif obj.keys.include?("$mref")
-      # we handle the mref key first so that any override will take priority
-      mref = obj["$mref"]
-      raise ArgumentError, "Missing reference after $mref (did you forget to put a relative reference in quotes?)" if mref.nil?
-      mref_targets = mref.is_a?(String) ? [mref] : mref
+    elsif obj.keys.include?("$inherits")
+      # we handle the inherits key first so that any override will take priority
+      inherits = obj["$inherits"]
+      raise ArgumentError, "Missing reference after $inherits (did you forget to put a relative reference in quotes?)" if inherits.nil?
+      inherits_targets = inherits.is_a?(String) ? [inherits] : inherits
 
       new_obj = {}
 
-      mref_targets.each do |mref_target|
-        relative_path = mref_target.split("#")[0]
+      inherits_targets.each do |inherits_target|
+        relative_path = inherits_target.split("#")[0]
         target_obj =
           if relative_path.empty?
             YAML.load_file(filename, **yaml_opts)
           else
             target_filename = File.realpath(File.join(filename.dirname, relative_path))
 
             unless File.exist?(target_filename)
-              raise DereferenceError, "While locating $mref in #{filename}, #{target_filename} does not exist"
+              raise DereferenceError, "While locating $inherits in #{filename}, #{target_filename} does not exist"
             end
 
             YamlLoader.load(target_filename, yaml_opts)
           end
 
-        mref_target_suffix = mref_target.split("#/")[1]
-        mref_target_path = mref_target_suffix.split("/")
+        inherits_target_suffix = inherits_target.split("#/")[1]
+        inherits_target_path = inherits_target_suffix.split("/")
         begin
-          target_obj = target_obj.dig(*mref_target_path) 
+          target_obj = target_obj.dig(*inherits_target_path) 
         rescue TypeError => e
           if e.message == "no implicit conversion of String into Integer"
-            warn "$mref: \"#{mref_target}\" found in file #{filename} references an Array but needs to reference a Hash"
+            warn "$inherits: \"#{inherits_target}\" found in file #{filename} references an Array but needs to reference a Hash"
           end
           raise e
         end
 
-        raise DereferenceError, "JSON Path #{mref_target_suffix} in file #{filename} does not exist in #{relative_path}" if target_obj.nil?
-        raise ArgumentError, "$mref: \"#{mref_target}\" in file #{filename} references a #{target_obj.class} but needs to reference a Hash" unless target_obj.is_a?(Hash)
+        raise DereferenceError, "JSON Path #{inherits_target_suffix} in file #{filename} does not exist in #{relative_path}" if target_obj.nil?
+        raise ArgumentError, "$inherits: \"#{inherits_target}\" in file #{filename} references a #{target_obj.class} but needs to reference a Hash" unless target_obj.is_a?(Hash)
 
         target_obj = expand(filename, target_obj, yaml_opts)
         target_obj.each do |target_key, target_value|
@@ -94,7 +94,7 @@ def self.expand(filename, obj, yaml_opts = {})
         end
       end
 
-      obj.delete("$mref")
+      obj.delete("$inherits")
       # now merge target_obj and obj
       keys = (obj.keys + new_obj.keys).uniq
       final_obj = {}
@@ -138,7 +138,7 @@ def self.expand(filename, obj, yaml_opts = {})
     new_obj
   end
 
-  # load a YAML file and expand any $ref/$mref references
+  # load a YAML file and expand any $ref/$inherits references
   # @param filename [String,Pathname] path to the YAML file
   # @param yaml_opts [Hash] options to pass to YAML.load_file
   # @return [Object] the loaded YAML file

schemas/inst_schema.json

@@ -62,7 +62,7 @@
             "name": {
               "type": "string"
             },
-            "$mref": {
+            "$inherits": {
               "type": "string",
               "pattern": "^(\\.\\./)+common/inst_variable_types\\.yaml#/[a-zA-Z0-9_]+",
               "description": "Reference to variable metadata"