Class: Udb::Resolver

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/udb/resolver.rb,
lib/udb/schema.rb

Overview

The primary interface for users will be #cfg_arch_for

Defined Under Namespace

Classes: ConfigInfo

Constant Summary collapse

SCHEMAS_BASE_URL = 
"https://riscv.github.io/riscv-unified-db/schemas"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(repo_root = Udb.repo_root, schemas_path_override: nil, cfgs_path_override: nil, gen_path_override: nil, std_path_override: nil, custom_path_override: nil, quiet: false, compile_idl: false) ⇒ Resolver

Returns a new instance of Resolver.



98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
 
# File 'lib/udb/resolver.rb', line 98

def initialize(
  repo_root = Udb.repo_root,
  schemas_path_override: nil,
  cfgs_path_override: nil,
  gen_path_override: nil,
  std_path_override: nil,
  custom_path_override: nil,
  quiet: false,
  compile_idl: false
)
  @repo_root = repo_root
  @schemas_path = schemas_path_override || Udb.default_schemas_path
  @cfgs_path = cfgs_path_override || Udb.default_cfgs_path
  @gen_path = gen_path_override || Udb.default_gen_path
  @std_path = std_path_override || Udb.default_std_isa_path
  @custom_path = custom_path_override || Udb.default_custom_isa_path
  @quiet = quiet
  @compile_idl = compile_idl
  @mutex = Thread::Mutex.new

  # cache of config names
  @cfg_info = T.let(Concurrent::Hash.new, T::Hash[T.any(String, Pathname), ConfigInfo])

  FileUtils.mkdir_p @gen_path
end

Instance Attribute Details

#cfgs_path ⇒ Object (readonly)

Returns the value of attribute cfgs_path.



44
45
46
 
# File 'lib/udb/resolver.rb', line 44

def cfgs_path
  @cfgs_path
end

#custom_path ⇒ Object (readonly)

Returns the value of attribute custom_path.



56
57
58
 
# File 'lib/udb/resolver.rb', line 56

def custom_path
  @custom_path
end

#gen_path ⇒ Object (readonly)

Returns the value of attribute gen_path.



48
49
50
 
# File 'lib/udb/resolver.rb', line 48

def gen_path
  @gen_path
end

#schemas_path ⇒ Object (readonly)

Returns the value of attribute schemas_path.



40
41
42
 
# File 'lib/udb/resolver.rb', line 40

def schemas_path
  @schemas_path
end

#std_path ⇒ Object (readonly)

Returns the value of attribute std_path.



52
53
54
 
# File 'lib/udb/resolver.rb', line 52

def std_path
  @std_path
end

Instance Method Details

#any_newer?(target, deps) ⇒ Boolean

Returns:

  • (Boolean) 


126
127
128
129
130
131
132
 
# File 'lib/udb/resolver.rb', line 126

def any_newer?(target, deps)
  if target.exist?
    deps.any? { |d| target.mtime < d.mtime }
  else
    true
  end
end

#cfg_arch_for(config_path_or_name) ⇒ Object 



335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
 
# File 'lib/udb/resolver.rb', line 335

def cfg_arch_for(config_path_or_name)
  config_info = cfg_info(config_path_or_name)

  @cfg_archs ||= Concurrent::Hash.new
  return @cfg_archs[config_info.path] if @cfg_archs.key?(config_info.path)

  resolve_config(config_info.path)
  resolve_arch(config_info.unresolved_yaml)

  @mutex.synchronize do
    return @cfg_archs[config_info.path] if @cfg_archs.key?(config_info.path)

    @cfg_archs[config_info.path] = Udb::ConfiguredArchitecture.new(
      config_info.name,
      Udb::AbstractConfig.create(gen_path / "cfgs" / "#{config_info.name}.yaml", config_info)
    )
  end
end

#cfg_arch_for_data(config_data) ⇒ Object 



359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
 
# File 'lib/udb/resolver.rb', line 359

def cfg_arch_for_data(config_data)
  info = ConfigInfo.new(
    name: config_data["name"],
    path: Pathname.new("portfolio/#{config_data["name"]}"),
    overlay_path: nil,
    unresolved_yaml: config_data,
    spec_path: std_path,
    merged_spec_path: @gen_path / "spec" / "_",
    resolved_spec_path: @gen_path / "resolved_spec" / "_",
    resolver: self
  )
  Udb::ConfiguredArchitecture.new(
    config_data["name"],
    Udb::AbstractConfig.create_from_data(config_data, info)
  )
end

#cfg_arch_for_pointer(pointer, relative_dir:) ⇒ Object 



315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
 
# File 'lib/udb/resolver.rb', line 315

def cfg_arch_for_pointer(pointer, relative_dir:)
  if (@cfgs_path / "#{pointer}.yaml").file?
    # Repo config name — may contain '/' for nested configs (e.g. "profile/RVA23U64").
    cfg_arch_for(pointer)
  elsif pointer.end_with?(".yaml", ".yml") ||
        Pathname.new(pointer).absolute? ||
        pointer.start_with?("./", "../")
    # Explicit file path — resolve relative to the caller's directory.
    path = Pathname.new(pointer)
    cfg_arch_for(path.absolute? ? path : (relative_dir / path).cleanpath)
  else
    raise ArgumentError,
      "Cannot resolve config pointer '#{pointer}': not a known config name " \
      "under '#{@cfgs_path}' and not a recognisable file path " \
      "(.yaml/.yml extension, absolute, or starting with ./ or ../)"
  end
end

#cfg_info(config_path_or_name) ⇒ Object 



238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
 
# File 'lib/udb/resolver.rb', line 238

def cfg_info(config_path_or_name)
  return @cfg_info.fetch(config_path_or_name) if config_path_or_name.is_a?(String) && @cfg_info.key?(config_path_or_name)
  return @cfg_info.fetch(config_path_or_name.realpath) if config_path_or_name.is_a?(Pathname) && @cfg_info.key?(config_path_or_name.realpath)

  @mutex.synchronize do
    return @cfg_info.fetch(config_path_or_name) if config_path_or_name.is_a?(String) && @cfg_info.key?(config_path_or_name)
    return @cfg_info.fetch(config_path_or_name.realpath) if config_path_or_name.is_a?(Pathname) && @cfg_info.key?(config_path_or_name.realpath)

    config_path =
      case config_path_or_name
      when Pathname
        raise "Path does not exist: #{config_path_or_name}" unless config_path_or_name.file?

        config_path_or_name.realpath
      when String
        if (@cfgs_path / "#{config_path_or_name}.yaml").file?
          (@cfgs_path / "#{config_path_or_name}.yaml").realpath
        else
          raise ConfigNotFoundError, "Could not find config: #{config_path_or_name}"
        end
      else
        T.absurd(config_path_or_name)
      end

    config_yaml = YAML.safe_load_file(config_path)
    if config_yaml.nil?
      puts File.read(config_path)
      raise "Could not load config at #{config_path}"
    end

    overlay_path =
      if config_yaml["arch_overlay"].nil?
        nil
      elsif Pathname.new(config_yaml["arch_overlay"]).exist?
        Pathname.new(config_yaml["arch_overlay"])
      elsif (@custom_path / config_yaml["arch_overlay"]).exist?
        @custom_path / config_yaml["arch_overlay"]
      else
        raise "Cannot resolve path to overlay (#{config_yaml["arch_overlay"]})"
      end

    merged_spec_path =
      if overlay_path.nil?
        @gen_path / "spec" / "_"
      else
        @gen_path / "spec" / config_yaml["name"]
      end
    resolved_spec_path =
      if overlay_path.nil?
        @gen_path / "resolved_spec" / "_"
      else
        @gen_path / "resolved_spec" / config_yaml["name"]
      end
    info = ConfigInfo.new(
      name: config_yaml["name"],
      path: config_path,
      overlay_path:,
      unresolved_yaml: config_yaml,
      spec_path: std_path,
      merged_spec_path: @gen_path / "spec" / (overlay_path.nil? ? "_" : config_yaml["name"]),
      resolved_spec_path: @gen_path / "resolved_spec" / (overlay_path.nil? ? "_" : config_yaml["name"]),
      resolver: self
    )
    @cfg_info[config_path] = info
    @cfg_info[info.name] = info
  end
end

#merge_arch(config_yaml) ⇒ Object 



173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
 
# File 'lib/udb/resolver.rb', line 173

def merge_arch(config_yaml)
  @mutex.synchronize do
    config_name = config_yaml["name"]

    deps = Dir[std_path / "**" / "*.yaml"].map { |p| Pathname.new(p) }
    deps += Dir[custom_path / config_yaml["arch_overlay"] / "**" / "*.yaml"].map { |p| Pathname.new(p) } unless config_yaml["arch_overlay"].nil?

    overlay_path =
      if config_yaml["arch_overlay"].nil?
        nil
      else
        if config_yaml.fetch("arch_overlay")[0] == "/"
          Pathname.new(config_yaml.fetch("arch_overlay"))
        else
          custom_path / config_yaml.fetch("arch_overlay")
        end
      end
    raise "custom directory '#{overlay_path}' does not exist" if !overlay_path.nil? && !overlay_path.directory?

    FileUtils.mkdir_p(@gen_path / "spec")
    merge_lock_name = merged_spec_path(config_name).basename
    File.open(@gen_path / "spec" / ".#{merge_lock_name}.lock", File::CREAT | File::RDWR) do |f|
      f.flock(File::LOCK_EX)
      if any_newer?(merged_spec_path(config_name) / ".stamp", deps)
        # Use Ruby YAML resolver instead of Python
        yaml_resolver = Udb::Yaml::Resolver.new(quiet: @quiet, compile_idl: @compile_idl)
        yaml_resolver.merge_files(
          std_path.to_s,
          overlay_path&.to_s,
          merged_spec_path(config_name).to_s
        )
        FileUtils.touch(merged_spec_path(config_name) / ".stamp")
      end
    end
  end
end

#merged_spec_path(cfg_path_or_name) ⇒ Object 



60
61
62
63
64
65
66
 
# File 'lib/udb/resolver.rb', line 60

def merged_spec_path(cfg_path_or_name)
  if cfg_info(cfg_path_or_name).overlay_path.nil?
    @gen_path / "spec" / "_"
  else
    @gen_path / "spec" / cfg_info(cfg_path_or_name).name
  end
end

#resolve_arch(config_yaml) ⇒ Object 



211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
 
# File 'lib/udb/resolver.rb', line 211

def resolve_arch(config_yaml)
  merge_arch(config_yaml)
  @mutex.synchronize do
    config_name = config_yaml["name"]

    FileUtils.mkdir_p(@gen_path / "resolved_spec")
    resolve_lock_name = resolved_spec_path(config_name).basename
    File.open(@gen_path / "resolved_spec" / ".#{resolve_lock_name}.lock", File::CREAT | File::RDWR) do |f|
      f.flock(File::LOCK_EX)
      deps = Dir[merged_spec_path(config_name) / "**" / "*.yaml"].map { |p| Pathname.new(p) }
      if any_newer?(resolved_spec_path(config_name) / ".stamp", deps)
        # Use Ruby YAML resolver instead of Python
        yaml_resolver = Udb::Yaml::Resolver.new(quiet: @quiet, compile_idl: @compile_idl)
        yaml_resolver.resolve_files(
          merged_spec_path(config_name).to_s,
          resolved_spec_path(config_name).to_s,
          no_checks: false
        )
        FileUtils.touch(resolved_spec_path(config_name) / ".stamp")
      end

      FileUtils.cp_r(std_path / "isa", resolved_spec_path(config_name))
    end
  end
end

#resolve_config(config_path) ⇒ Object 



149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
 
# File 'lib/udb/resolver.rb', line 149

def resolve_config(config_path)
  @mutex.synchronize do
    config_info = cfg_info(config_path)
    return T.must(config_info.resolved_yaml) unless config_info.resolved_yaml.nil?

    resolved_config_yaml = T.let({}, T.nilable(T::Hash[String, T.untyped]))
    # write the config with arch_overlay expanded
    if any_newer?(gen_path / "cfgs" / "#{config_info.name}.yaml", [config_path])
      # is there anything to do here? validate?

      resolved_config_yaml = config_info.unresolved_yaml.dup
      resolved_config_yaml["$source"] = config_path.realpath.to_s

      FileUtils.mkdir_p gen_path / "cfgs"
      File.write(gen_path / "cfgs" / "#{config_info.name}.yaml", YAML.dump(resolved_config_yaml))
    else
      resolved_config_yaml = YAML.load_file(gen_path / "cfgs" / "#{config_info.name}.yaml")
    end

    config_info.resolved_yaml = resolved_config_yaml
  end
end

#resolve_schemas ⇒ Object 



386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
 
# File 'lib/udb/resolver.rb', line 386

def resolve_schemas
  require "json"

  schemas_path.glob("*.json").each do |schema_file|
    next if schema_file.basename.to_s == "json-schema-draft-07.json"

    schema_data = JSON.parse(schema_file.read)
    version = schema_data["$id"]
    next if version.nil?

    schema_name = schema_file.basename.to_s
    resolved_id = "#{SCHEMAS_BASE_URL}/#{schema_name}/#{version}/#{schema_name}"

    resolved_schema = schema_data.merge("$id" => resolved_id)

    out_dir = gen_path / "schemas" / schema_name / version
    out_dir.mkpath
    out_path = out_dir / schema_name
    out_path.write(JSON.pretty_generate(resolved_schema) + "\n")
  end
end

#resolved_spec_path(cfg_path_or_name) ⇒ Object 



70
71
72
73
74
75
76
 
# File 'lib/udb/resolver.rb', line 70

def resolved_spec_path(cfg_path_or_name)
  if cfg_info(cfg_path_or_name).overlay_path.nil?
    @gen_path / "resolved_spec" / "_"
  else
    @gen_path / "resolved_spec" / cfg_info(cfg_path_or_name).name
  end
end

#run(cmd) ⇒ Object 



136
137
138
139
140
141
142
143
144
 
# File 'lib/udb/resolver.rb', line 136

def run(cmd)
  puts cmd.join(" ") unless @quiet
  if @quiet
    T.unsafe(self).send(:system, *cmd, out: "/dev/null", err: "/dev/null")
  else
    T.unsafe(self).send(:system, *cmd)
  end
  raise "data resolution error while executing '#{cmd.join(' ')}'" unless $?.success?
end