opal · Jan 15, 2015 · Jan 15, 2015 · Jan 15, 2015 · Jan 15, 2015 · Jan 15, 2015
Showing with 37 additions and 10 deletions.

+12 −3 lib/opal/builder.rb

+4 −0 opal/corelib/io.rb

+5 −5 opal/corelib/kernel.rb

+16 −2 stdlib/nodejs/process.rb
diff --git a/lib/opal/builder.rb b/lib/opal/builder.rb
@@ -38,6 +38,9 @@ def build_str source, filename, options = {}
       requires.map { |r| process_require(r, options) }
       processed << asset
       self
+    rescue MissingRequire
+      $stdout.puts "A file required by #{filename.inspect} wasn't found."
+      raise
     end
 
     def build_require(path, options = {})
@@ -90,9 +93,12 @@ def processor_for(source, filename, path, options)
       return processor.new(source, filename, compiler_options.merge(options))
     end
 
+    class MissingRequire < LoadError
+    end
+
     def read(path)
       path_reader.read(path) or
-        raise ArgumentError, "can't find file: #{path.inspect} in #{path_reader.paths.inspect}"
+        raise MissingRequire, "can't find file: #{path.inspect} in #{path_reader.paths.inspect}"
     end
 
     def process_require(filename, options)
@@ -112,12 +118,15 @@ def process_require(filename, options)
 
       path = path_reader.expand(filename).to_s unless stub?(filename)
       asset = processor_for(source, filename, path, options.merge(requirable: true))
-      process_requires(asset.requires+tree_requires(asset, path), options)
+      process_requires(filename, asset.requires+tree_requires(asset, path), options)
       processed << asset
     end
 
-    def process_requires(requires, options)
+    def process_requires(source_filename, requires, options)
       requires.map { |r| process_require(r, options) }
+    rescue MissingRequire
+      $stdout.puts "A file required by #{source_filename.inspect} wasn't found."
+      raise
     end
 
     def already_processed

diff --git a/opal/corelib/io.rb b/opal/corelib/io.rb
@@ -3,6 +3,10 @@ class IO
   SEEK_CUR = 1
   SEEK_END = 2
 
+  def tty?
+    @tty
+  end
+
   attr_accessor :write_proc
 
   def write(string)

diff --git a/opal/corelib/kernel.rb b/opal/corelib/kernel.rb
@@ -71,6 +71,11 @@ def Array(object, *args, &block)
     }
   end
 
+  def at_exit(&block)
+    $__at_exit__ ||= []
+    $__at_exit__ << block
+  end
+
   # Opal does not support #caller, but we stub it as an empty array to not
   # break dependant libs
   def caller
@@ -581,10 +586,5 @@ def to_s
     "#<#{self.class}:0x#{__id__.to_s(16)}>"
   end
 
-  def at_exit(&block)
-    $__at_exit__ ||= []
-    $__at_exit__ << block
-  end
-
   alias untaint taint
 end
diff --git a/stdlib/nodejs/process.rb b/stdlib/nodejs/process.rb
@@ -1,6 +1,20 @@
 module Kernel
-  def exit(status)
-    `process.exit(status)`
+  def exit(status = true)
+    $__at_exit__.reverse.each(&:call) if $__at_exit__
+    `process.exit(status === true ? 0 : status)`
+  end
+
+  def caller
+    %x{
+      var stack;
+      try {
+        var err = Error("my error");
+        throw err;
+      } catch(e) {
+        stack = e.stack;
+      }
+      return stack.$split("\n").slice(3);
+    }
   end
 end