Remove BuildTarget, Builder#create_build_target, and Builder#setup - close #90

build_tests/shared_library/Rsconscript

@@ -6,7 +6,7 @@ build do
                 Rscons.glob("src/*.c"),
                 "LIBPATH" => %w[.],
                 "LIBS" => %w[mine])
-    env.build_after("test-shared.exe", libmine.to_s)
+    env.build_after("test-shared.exe", libmine)
     env.Program("test-static.exe",
                 Rscons.glob("src/**/*.c"))
   end

build_tests/shared_library/shared_library_cxx.rb

@@ -6,7 +6,7 @@ build do
                 Rscons.glob("src/*.cc"),
                 "LIBPATH" => %w[.],
                 "LIBS" => %w[mine])
-    env.build_after("test-shared.exe", libmine.to_s)
+    env.build_after("test-shared.exe", libmine)
     env.Program("test-static.exe",
                 Rscons.glob("src/**/*.cc"))
   end

build_tests/shared_library/shared_library_d.rb

@@ -6,6 +6,6 @@ build do
                 Rscons.glob("src/*.c"),
                 "LIBPATH" => %w[.],
                 "LIBS" => %w[mine])
-    env.build_after("test-shared.exe", libmine.to_s)
+    env.build_after("test-shared.exe", libmine)
   end
 end

build_tests/shared_library/shared_library_set_shld.rb

@@ -7,7 +7,7 @@ build do
                 Rscons.glob("src/*.c"),
                 "LIBPATH" => %w[.],
                 "LIBS" => %w[mine])
-    env.build_after("test-shared.exe", libmine.to_s)
+    env.build_after("test-shared.exe", libmine)
     env.Program("test-static.exe",
                 Rscons.glob("src/**/*.c"))
   end

build_tests/simple/run_builder.rb

@@ -1,7 +1,7 @@
 class MyObject < Rscons::Builder
   def run(options)
     target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
-    env.run_builder(env.builders["Object"].new, target, sources, cache, vars)
+    env.run_builder(env.builders["Object"].new(env: env, target: target, sources: sources, cache: cache, vars: vars), target, sources, cache, vars)
   end
 end
 

build_tests/simple/user_dep_build_order.rb

@@ -17,8 +17,8 @@ end
 build do
   Environment.new do |env|
     env.add_builder(TestBuilder)
-    env.TestBuilder("one", [], "wait_time" => "3")
+    one = env.TestBuilder("one", [], "wait_time" => "3")
-    env.TestBuilder("two", [], "wait_time" => "0")
+    two = env.TestBuilder("two", [], "wait_time" => "0")
-    env.depends("two", "one")
+    env.depends(two, one)
   end
 end

build_tests/typical/backward_compatible_build_hooks.rb

@@ -1,6 +1,6 @@
 class MyObject < Rscons::Builder
   def run(target, sources, cache, env, vars)
-    env.run_builder(env.builders["Object"].new, target, sources, cache, vars)
+    env.run_builder(env.builders["Object"].new(target: target, sources: sources, cache: cache, env: env, vars: vars), target, sources, cache, vars)
   end
 end
 

lib/rscons.rb

@@ -1,7 +1,6 @@
 require_relative "rscons/ansi"
 require_relative "rscons/application"
 require_relative "rscons/basic_environment"
-require_relative "rscons/build_target"
 require_relative "rscons/builder"
 require_relative "rscons/builder_builder"
 require_relative "rscons/cache"

lib/rscons/build_target.rb

@@ -1,36 +0,0 @@
-module Rscons
-  # The BuildTarget class represents a single build target.
-  class BuildTarget
-    # Create a BuildTarget object.
-    #
-    # @param options [Hash] Options to create the BuildTarget with.
-    # @option options [Environment] :env
-    #   The Environment.
-    # @option options [String] :target
-    #   The user-supplied target name.
-    # @option options [Array<String>] :sources
-    #   The user-supplied source file name(s).
-    def initialize(options)
-      @env = options[:env]
-      @target = options[:target]
-    end
-
-    # Manually record a given target as depending on the specified files.
-    #
-    # @param user_deps [Array<String>] Dependency files.
-    #
-    # @return [void]
-    def depends(*user_deps)
-      @env.depends(@target, *user_deps)
-    end
-
-    # Convert the BuildTarget to a String.
-    #
-    # This method always returns the target file name.
-    #
-    # @return [String] Target file name.
-    def to_s
-      @target
-    end
-  end
-end

lib/rscons/builder.rb

@@ -42,6 +42,29 @@ module Rscons
       end
     end
 
+    # @return [String, Symbol]
+    #   Target file name.
+    attr_reader :target
+
+    # Create an instance of the Builder to build a target.
+    #
+    # @param options [Hash]
+    #   Options.
+    # @option options [String, Symbol] :target
+    #   Target file name.
+    # @option options [Array<String>] :sources
+    #   Source file name(s).
+    # @option options [Environment] :env
+    #   The Environment executing the builder.
+    # @option options [Hash,VarSet] :vars
+    #   Extra construction variables.
+    def initialize(options)
+      @target = options[:target]
+      @sources = options[:sources]
+      @env = options[:env]
+      @vars = options[:vars]
+    end
+
     # Return the name of the builder.
     #
     # If not overridden this defaults to the last component of the class name.
@@ -51,55 +74,14 @@ module Rscons
       self.class.name
     end
 
-    # Create a BuildTarget object for this build target.
+    # Manually record a given build target as depending on the specified files.
     #
-    # Builder sub-classes can override this method to manipulate parameters
+    # @param user_deps [Array<String>]
-    # (for example, add a suffix to the user-given target file name).
+    #   Dependency files.
     #
-    # @param options [Hash] Options to create the BuildTarget with.
+    # @return [void]
-    # @option options [Environment] :env
+    def depends(*user_deps)
-    #   The Environment.
+      @env.depends(@target, *user_deps)
-    # @option options [String] :target
-    #   The user-supplied target name.
-    # @option options [Array<String>] :sources
-    #   The user-supplied source file name(s).
-    # @option options [Hash,VarSet] :vars
-    #   Extra construction variables.
-    #
-    # @return [BuildTarget]
-    def create_build_target(options)
-      BuildTarget.new(options)
-    end
-
-    # Set up a build operation using this builder.
-    #
-    # This method is called when a build target is registered using this
-    # builder. This method should not do any building, but should perform any
-    # setup needed and register any prerequisite build targets that need to be
-    # built before the target being requested here.
-    #
-    # If the builder needs no special setup, it does not need to override this
-    # method. If there is any information produced in this method that will be
-    # needed later in the build, it can be stored in the return value from this
-    # method, which will be passed to the {#run} method.
-    #
-    # @since 1.10.0
-    #
-    # @param options [Hash]
-    #   Options.
-    # @option options [String] :target
-    #   Target file name.
-    # @option options [Array<String>] :sources
-    #   Source file name(s).
-    # @option options [Environment] :env
-    #   The Environment executing the builder.
-    # @option options [Hash,VarSet] :vars
-    #   Extra construction variables.
-    #
-    # @return [Object]
-    #   Any object that the builder author wishes to be saved and passed back
-    #   in to the {#run} method.
-    def setup(options)
     end
 
     # Run the builder to produce a build target.
@@ -139,8 +121,6 @@ module Rscons
     #     The Environment executing the builder.
     #   @option options [Hash,VarSet] :vars
     #     Extra construction variables.
-    #   @option options [Object] :setup_info
-    #     Whatever value was returned from this builder's {#setup} method call.
     #
     # @return [ThreadedCommand,String,false]
     #   Name of the target file on success or false on failure.
@@ -177,8 +157,6 @@ module Rscons
     #   The Environment executing the builder.
     # @option options [Hash,VarSet] :vars
     #   Extra construction variables.
-    # @option options [Object] :setup_info
-    #   Whatever value was returned from this builder's {#setup} method call.
     # @option options [true,false,nil] :command_status
     #   If the {#run} method returns a {ThreadedCommand}, this field will
     #   contain the return value from executing the command with

lib/rscons/builders/library.rb

@@ -10,18 +10,23 @@ module Rscons
         'ARCMD' => ['${AR}', '${ARFLAGS}', '${_TARGET}', '${_SOURCES}']
       )
 
-      # Set up a build operation using this builder.
+      # Create an instance of the Builder to build a target.
       #
-      # @param options [Hash] Builder setup options.
+      # @param options [Hash]
-      #
+      #   Options.
-      # @return [Object]
+      # @option options [String] :target
-      #   Any object that the builder author wishes to be saved and passed back
+      #   Target file name.
-      #   in to the {#run} method.
+      # @option options [Array<String>] :sources
-      def setup(options)
+      #   Source file name(s).
-        target, sources, env, vars = options.values_at(:target, :sources, :env, :vars)
+      # @option options [Environment] :env
-        suffixes = env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], vars)
+      #   The Environment executing the builder.
+      # @option options [Hash,VarSet] :vars
+      #   Extra construction variables.
+      def initialize(options)
+        super(options)
+        suffixes = @env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], @vars)
         # Register builders to build each source to an object file or library.
-        env.register_builds(target, sources, suffixes, vars)
+        @objects = @env.register_builds(@target, @sources, suffixes, @vars)
       end
 
       # Run the builder to produce a build target.
@@ -31,14 +36,14 @@ module Rscons
       # @return [String,false]
       #   Name of the target file on success or false on failure.
       def run(options)
-        target, sources, cache, env, vars, objects = options.values_at(:target, :sources, :cache, :env, :vars, :setup_info)
+        target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
         vars = vars.merge({
           '_TARGET' => target,
-          '_SOURCES' => objects,
+          '_SOURCES' => @objects,
         })
-        options[:sources] = objects
+        options[:sources] = @objects
         command = env.build_command("${ARCMD}", vars)
-        standard_threaded_build("AR #{target}", target, command, objects, env, cache)
+        standard_threaded_build("AR #{target}", target, command, @objects, env, cache)
       end
 
       # Finalize a build.

lib/rscons/builders/program.rb

@@ -17,41 +17,26 @@ module Rscons
         'LDCMD' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '${LIBDIRPREFIX}${LIBPATH}', '${LIBLINKPREFIX}${LIBS}']
       )
 
-      # Create a BuildTarget object for this build target.
+      # Create an instance of the Builder to build a target.
       #
-      # The build target filename is given a ".exe" suffix if Rscons is
+      # @param options [Hash]
-      # executing on a Windows platform and no other suffix is given.
+      #   Options.
-      #
-      # @param options [Hash] Options to create the BuildTarget with.
-      # @option options [Environment] :env
-      #   The Environment.
       # @option options [String] :target
-      #   The user-supplied target name.
+      #   Target file name.
       # @option options [Array<String>] :sources
-      #   The user-supplied source file name(s).
+      #   Source file name(s).
-      #
+      # @option options [Environment] :env
-      # @return [BuildTarget]
+      #   The Environment executing the builder.
-      def create_build_target(options)
+      # @option options [Hash,VarSet] :vars
-        env, target, vars = options.values_at(:env, :target, :vars)
+      #   Extra construction variables.
-        my_options = options.dup
+      def initialize(options)
-        unless File.basename(target)["."]
+        super(options)
-          my_options[:target] += env.expand_varref("${PROGSUFFIX}", vars)
+        unless File.basename(@target)["."]
+          @target += @env.expand_varref("${PROGSUFFIX}", @vars)
         end
-        super(my_options)
+        suffixes = @env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], @vars)
-      end
-
-      # Set up a build operation using this builder.
-      #
-      # @param options [Hash] Builder setup options.
-      #
-      # @return [Object]
-      #   Any object that the builder author wishes to be saved and passed back
-      #   in to the {#run} method.
-      def setup(options)
-        target, sources, env, vars = options.values_at(:target, :sources, :env, :vars)
-        suffixes = env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], vars)
         # Register builders to build each source to an object file or library.
-        env.register_builds(target, sources, suffixes, vars)
+        @objects = @env.register_builds(@target, @sources, suffixes, @vars)
       end
 
       # Run the builder to produce a build target.
@@ -61,7 +46,7 @@ module Rscons
       # @return [String,false]
       #   Name of the target file on success or false on failure.
       def run(options)
-        target, sources, cache, env, vars, objects = options.values_at(:target, :sources, :cache, :env, :vars, :setup_info)
+        target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
         ld = env.expand_varref("${LD}", vars)
         ld = if ld != ""
                ld
@@ -74,12 +59,12 @@ module Rscons
              end
         vars = vars.merge({
           '_TARGET' => target,
-          '_SOURCES' => objects,
+          '_SOURCES' => @objects,
           'LD' => ld,
         })
-        options[:sources] = objects
+        options[:sources] = @objects
         command = env.build_command("${LDCMD}", vars)
-        standard_threaded_build("LD #{target}", target, command, objects, env, cache)
+        standard_threaded_build("LD #{target}", target, command, @objects, env, cache)
       end
 
       # Finalize a build.

lib/rscons/builders/shared_library.rb

@@ -24,47 +24,31 @@ module Rscons
         end
       end
 
-      # Create a BuildTarget object for this build target.
+      # Create an instance of the Builder to build a target.
-      #
-      # The build target filename is given a platform-dependent suffix if no
-      # other suffix is given.
       #
       # @param options [Hash]
-      #   Options to create the BuildTarget with.
+      #   Options.
-      # @option options [Environment] :env
-      #   The Environment.
       # @option options [String] :target
-      #   The user-supplied target name.
+      #   Target file name.
       # @option options [Array<String>] :sources
-      #   The user-supplied source file name(s).
+      #   Source file name(s).
-      #
+      # @option options [Environment] :env
-      # @return [BuildTarget]
+      #   The Environment executing the builder.
-      def create_build_target(options)
+      # @option options [Hash,VarSet] :vars
-        env, target, vars = options.values_at(:env, :target, :vars)
+      #   Extra construction variables.
-        my_options = options.dup
+      def initialize(options)
-        libprefix = env.expand_varref("${SHLIBPREFIX}", vars)
+        super(options)
-        unless File.basename(target).start_with?(libprefix)
+        libprefix = @env.expand_varref("${SHLIBPREFIX}", @vars)
-          my_options[:target].sub!(%r{^(.*/)?([^/]+)$}, "\\1#{libprefix}\\2")
+        unless File.basename(@target).start_with?(libprefix)
+          @target = @target.sub!(%r{^(.*/)?([^/]+)$}, "\\1#{libprefix}\\2")
         end
-        unless File.basename(target)["."]
+        unless File.basename(@target)["."]
-          my_options[:target] += env.expand_varref("${SHLIBSUFFIX}", vars)
+          @target += @env.expand_varref("${SHLIBSUFFIX}", @vars)
         end
-        super(my_options)
+        suffixes = @env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], @vars)
-      end
-
-      # Set up a build operation using this builder.
-      #
-      # @param options [Hash] Builder setup options.
-      #
-      # @return [Object]
-      #   Any object that the builder author wishes to be saved and passed back
-      #   in to the {#run} method.
-      def setup(options)
-        target, sources, env, vars = options.values_at(:target, :sources, :env, :vars)
-        suffixes = env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], vars)
         # Register builders to build each source to an object file or library.
-        env.register_builds(target, sources, suffixes, vars,
+        @objects = @env.register_builds(@target, @sources, suffixes, @vars,
-                            features: %w[shared])
+                                        features: %w[shared])
       end
 
       # Run the builder to produce a build target.
@@ -74,7 +58,7 @@ module Rscons
       # @return [String,false]
       #   Name of the target file on success or false on failure.
       def run(options)
-        target, sources, cache, env, vars, objects = options.values_at(:target, :sources, :cache, :env, :vars, :setup_info)
+        target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
         ld = env.expand_varref("${SHLD}", vars)
         ld = if ld != ""
                ld
@@ -87,12 +71,12 @@ module Rscons
              end
         vars = vars.merge({
           '_TARGET' => target,
-          '_SOURCES' => objects,
+          '_SOURCES' => @objects,
           'SHLD' => ld,
         })
-        options[:sources] = objects
+        options[:sources] = @objects
         command = env.build_command("${SHLDCMD}", vars)
-        standard_threaded_build("SHLD #{target}", target, command, objects, env, cache)
+        standard_threaded_build("SHLD #{target}", target, command, @objects, env, cache)
       end
 
       # Finalize a build.

lib/rscons/builders/simple_builder.rb

@@ -5,12 +5,23 @@ module Rscons
     # @since 1.8.0
     class SimpleBuilder < Builder
 
-      # Create a new builder with the given action.
+      # Create an instance of the Builder to build a target.
       #
+      # @param options [Hash]
+      #   Options.
+      # @option options [String] :target
+      #   Target file name.
+      # @option options [Array<String>] :sources
+      #   Source file name(s).
+      # @option options [Environment] :env
+      #   The Environment executing the builder.
+      # @option options [Hash,VarSet] :vars
+      #   Extra construction variables.
       # @param run_proc [Proc]
       #   A Proc to execute when the builder runs. The provided block must
       #   provide the have the same signature as {Builder#run}.
-      def initialize(&run_proc)
+      def initialize(options, &run_proc)
+        super(options)
         @run_proc = run_proc
       end
 

lib/rscons/environment.rb

@@ -282,8 +282,7 @@ module Rscons
                                  job[:sources],
                                  cache,
                                  job[:vars],
-                                 allow_delayed_execution: true,
+                                 allow_delayed_execution: true)
-                                 setup_info: job[:setup_info])
             unless result
               failure = "Failed to build #{job[:target]}"
               Ansi.write($stderr, :red, failure, :reset, "\n")
@@ -342,9 +341,9 @@ module Rscons
     # @param method [Symbol] Method name.
     # @param args [Array] Method arguments.
     #
-    # @return [BuildTarget]
+    # @return [Builder]
-    #   The {BuildTarget} object registered, if the method called is a
+    #   The {Builder} object registered, if the method called is the name of a
-    #   {Builder}.
+    #   registered {Builder}.
     def method_missing(method, *args)
       if @builders.has_key?(method.to_s)
         target, sources, vars, *rest = args
@@ -352,14 +351,13 @@ module Rscons
         unless vars.is_a?(Hash) or vars.is_a?(VarSet)
           raise "Unexpected construction variable set: #{vars.inspect}"
         end
-        builder = @builders[method.to_s].new
         target = expand_path(expand_varref(target))
         sources = Array(sources).map do |source|
           expand_path(expand_varref(source))
         end.flatten
-        build_target = builder.create_build_target(env: self, target: target, sources: sources, vars: vars)
+        builder = @builders[method.to_s].new(env: self, target: target, sources: sources, vars: vars)
-        add_target(build_target.to_s, builder, sources, vars, rest)
+        add_target(builder.target, builder, sources, vars, rest)
-        build_target
+        builder
       else
         super
       end
@@ -367,13 +365,21 @@ module Rscons
 
     # Manually record a given target as depending on the specified files.
     #
-    # @param target [String,BuildTarget] Target file.
+    # @param target [String, Builder] Target file.
-    # @param user_deps [Array<String>] Dependency files.
+    # @param user_deps [Array<String, Builder>] Dependency files.
     #
     # @return [void]
     def depends(target, *user_deps)
+      if target.is_a?(Builder)
+        target = target.target
+      end
       target = expand_varref(target.to_s)
-      user_deps = user_deps.map {|ud| expand_varref(ud)}
+      user_deps = user_deps.map do |ud|
+        if ud.is_a?(Builder)
+          ud = ud.target
+        end
+        expand_varref(ud)
+      end
       @user_deps[target] ||= []
       @user_deps[target] = (@user_deps[target] + user_deps).uniq
       build_after(target, user_deps)
@@ -400,7 +406,7 @@ module Rscons
     # @param targets [String, Array<String>]
     #   Target files to wait to build until the prerequisites are finished
     #   building.
-    # @param prerequisites [String, Array<String>]
+    # @param prerequisites [String, Builder, Array<String, Builder>]
     #   Files that must be built before building the specified targets.
     #
     # @return [void]
@@ -411,6 +417,9 @@ module Rscons
         target = expand_path(expand_varref(target))
         @registered_build_dependencies[target] ||= Set.new
         prerequisites.each do |prerequisite|
+          if prerequisite.is_a?(Builder)
+            prerequisite = prerequisite.target
+          end
           prerequisite = expand_path(expand_varref(prerequisite))
           @registered_build_dependencies[target] << prerequisite
         end
@@ -451,8 +460,8 @@ module Rscons
     # Find and register builders to build source files into files containing
     # one of the suffixes given by suffixes.
     #
-    # This method is used internally by Rscons builders. It should be called
+    # This method is used internally by Rscons builders. It can be called
-    # from the builder's #setup method.
+    # from the builder's #initialize method.
     #
     # @since 1.10.0
     #
@@ -510,8 +519,6 @@ module Rscons
     #   @since 1.10.0
     #   Allow a threaded command to be scheduled but not yet completed before
     #   this method returns.
-    # @option options [Object] :setup_info
-    #   Arbitrary builder info returned by Builder#setup.
     #
     # @return [String,false] Return value from the {Builder}'s +run+ method.
     def run_builder(builder, target, sources, cache, vars, options = {})
@@ -523,7 +530,6 @@ module Rscons
         cache: cache,
         env: self,
         vars: vars,
-        setup_info: options[:setup_info]
       }
       call_build_hooks = lambda do |sec|
         @build_hooks[sec].each do |build_hook_block|
@@ -672,17 +678,11 @@ module Rscons
     #
     # @return [void]
     def add_target(target, builder, sources, vars, args)
-      setup_info = builder.setup(
-        target: target,
-        sources: sources,
-        env: self,
-        vars: vars)
       @job_set.add_job(
         builder: builder,
         target: target,
         sources: sources,
-        vars: vars,
+        vars: vars)
-        setup_info: setup_info)
     end
 
     # Start a threaded command in a new thread.

spec/rscons/builder_spec.rb

@@ -2,7 +2,7 @@ module Rscons
   describe Builder do
     describe "#run" do
       it "raises an error if called directly and not through a subclass" do
-        expect{subject.run({})}.to raise_error /This method must be overridden in a subclass/
+        expect{Builder.new({}).run({})}.to raise_error /This method must be overridden in a subclass/
       end
     end
   end

spec/rscons/builders/simple_builder_spec.rb

@@ -4,7 +4,7 @@ module Rscons
       let(:env) {Environment.new}
 
       it "should create a new builder with the given action" do
-        builder = Rscons::Builders::SimpleBuilder.new { 0x1234 }
+        builder = Rscons::Builders::SimpleBuilder.new({}) { 0x1234 }
         expect(builder.run(1,2,3,4,5)).to eq(0x1234)
       end
     end