Fix broken manual generation, ensure it's tested in regression

Rakefile

@@ -270,6 +270,9 @@ DESC
 task :regress do
   Rake::Task["idl_test"].invoke
   Rake::Task["validate"].invoke
+  ENV["MANUAL_NAME"] = "isa"
+  ENV["VERSIONS"] = "all"
+  Rake::Task["gen:html_manual"].invoke
   Rake::Task["gen:html"].invoke("generic_rv64")
   Rake::Task["gen:crd_pdf"].invoke("MockCRD-1")
   Rake::Task["gen:crd_pdf"].invoke("MC-1")

backends/arch_gen/lib/arch_gen.rb

@@ -129,33 +129,39 @@ def ext?(name)
 
   # checks any "extra_validation" given by parameter definitions
   def params_extra_validation
-    fork do
-      # add parameters as a constant
-      params.each do |key, value|
-        self.class.const_set(key, value)
-      end
 
-      @implemented_extensions.each do |ext|
-        ext_name = ext["name"]
-        gen_ext_path = @gen_dir / "arch" / "ext" / "#{ext_name}.yaml"
-        ext_yaml = YAML.safe_load gen_ext_path.read
-        unless ext_yaml[ext_name]["params"].nil?
-          ext_yaml[ext_name]["params"].each do |param_name, param_data|
-            next unless param_data.key?("extra_validation")
-            begin
-              eval param_data["extra_validation"]
-            rescue StandardError => e
-              warn "While checking extension parameter #{ext_name}::#{param_name}.extra_validation"
-              warn param_data["extra_validation"]
-              warn e
-              exit 1
-            end
+    agen = self
+
+    eval_context = Class.new do
+    end
+
+    eval_context.class.define_method(:ext?) { |name| agen.send(:ext?, name) }
+    eval_context.class.define_method(:assert) { |cond| agen.send(:assert, cond) }
+
+    # add parameters as a constant
+    params.each do |key, value|
+      eval_context.const_set(key, value)
+    end
+
+
+    @implemented_extensions.each do |ext|
+      ext_name = ext["name"]
+      gen_ext_path = @gen_dir / "arch" / "ext" / "#{ext_name}.yaml"
+      ext_yaml = YAML.safe_load gen_ext_path.read
+      unless ext_yaml[ext_name]["params"].nil?
+        ext_yaml[ext_name]["params"].each do |param_name, param_data|
+          next unless param_data.key?("extra_validation")
+          begin
+            eval_context.class_eval param_data["extra_validation"]
+          rescue StandardError => e
+            warn "While checking extension parameter #{ext_name}::#{param_name}.extra_validation"
+            warn param_data["extra_validation"]
+            warn e
+            exit 1
           end
         end
       end
     end
-    Process.wait
-    exit 1 unless $CHILD_STATUS.success?
   end
   private :params_extra_validation
 

backends/manual/templates/ext.adoc.erb

@@ -60,8 +60,8 @@ This extension has the following implementation options:
 +
 --
 |===
-h| Type | <%= param.schema["type"] %>
-h| Valid Values | <%= Schema.new(param.schema).to_pretty_s %>
+h| Type | <%= param.schema.type_pretty %>
+h| Valid Values | <%= param.schema.to_pretty_s %>
 h| Description a| <%= param.desc %>
 |===
 --

lib/arch_obj_models/schema.rb

@@ -16,6 +16,11 @@ def initialize(schema_hash)
     # @return [Hash] Hash representation of the JSON Schema
     def to_h = @schema_hash
 
+    # @return [String] Human-readable type of the schema (e.g., array, string, integer)
+    def type_pretty
+      @schema_hash["type"]
+    end
+
     # @return [String] A human-readable description of the schema
     def to_pretty_s(schema_hash = @schema_hash)
       raise ArgumentError, "Expecting hash" unless schema_hash.is_a?(Hash)