create some block tests and the expression

lib/ast/block_expression.rb

@@ -0,0 +1,26 @@
+module Ast
+  class BlockExpression < Expression
+    attr_reader  :call_exp, :args , :body_exp
+
+    def initialize call_exp, args , body_exp
+      @call_exp = call_exp.to_sym
+      @args = args
+      @body_exp =  body_exp
+    end
+
+    def attributes
+      [:call_exp, :args , :body_exp]
+    end
+
+    def inspect
+      self.class.call_exp + ".new(" + call_exp.inspect + ", ["+
+        args.collect{|m| m.inspect }.join( ",") + "] ," + body_exp.inspect  + ")"
+    end
+    def to_s
+      "#{call_exp}(" + args.join(",") + ")"
+    end
+    def attributes
+      [:call_exp , :args , :body_exp]
+    end
+  end
+end

test/roots/test_block.rb

@@ -0,0 +1,33 @@
+require_relative "../parser_helper"
+
+class RootTestBlock < MiniTest::Test
+  # include the magic (setup and parse -> test method translation), see there
+  include ParserHelper
+
+  def pest_block
+    @string_input = <<HERE
+self.call(1) do |a , b|
+  tmp = a
+  puts(b)
+end
+HERE
+    @parse_output = nil
+    @transform_output = nil
+    @parser = @parser
+  end
+
+  def pest_big_block
+    @string_input = <<HERE
+self.call( true , false) do | a , b |
+  tmp = a
+  a = b
+  b = tmp + b
+  puts(b)
+  n = n - 1
+end
+HERE
+    @parse_output = {:expression_list=>[{:while=>"while", :while_cond=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"1"}}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}}, {:l=>{:name=>"a"}, :o=>"= ", :r=>{:name=>"b"}}, {:l=>{:name=>"b"}, :o=>"= ", :r=>{:l=>{:name=>"tmp"}, :o=>"+ ", :r=>{:name=>"b"}}}, {:call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"b"}}]}, {:l=>{:name=>"n"}, :o=>"= ", :r=>{:l=>{:name=>"n"}, :o=>"- ", :r=>{:integer=>"1"}}}], :end=>"end"}}]}
+    @transform_output = Ast::ExpressionList.new( [Ast::BlockExpression.new(Ast::OperatorExpression.new(">", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:a)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::NameExpression.new(:b)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:b),Ast::OperatorExpression.new("+", Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:b))), Ast::CallSiteExpression.new(:puts, [Ast::NameExpression.new(:b)] ,Ast::NameExpression.new(:self)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:n),Ast::OperatorExpression.new("-", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)))] )])
+    @parser = @parser
+  end
+end

test/unit/test_block.rb

@@ -0,0 +1,48 @@
+require_relative "../parser_helper"
+
+class TestBlock < MiniTest::Test
+  # include the magic (setup and parse -> test method translation), see there
+  include ParserHelper
+
+  def pest_block
+    @string_input = <<HERE
+while(1) do
+  tmp = a
+  puts(b)
+end
+HERE
+    @string_input.chop!
+    @parse_output = {:while=>"while", :while_cond=>{:integer=>"1"}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}}, {:call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"b"}}]}], :end=>"end"}}
+    @transform_output = Ast::BlockExpression.new(Ast::IntegerExpression.new(1), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:a)), Ast::CallSiteExpression.new(:puts, [Ast::NameExpression.new(:b)] ,Ast::NameExpression.new(:self))] )
+    @parser = @parser.block
+  end
+
+  def pest_block_method
+    @string_input = <<HERE
+while(1) do
+  tmp = String.new()
+  tmp.puts(i)
+end
+HERE
+    @string_input.chop!
+    @parse_output = {:while=>"while", :while_cond=>{:integer=>"1"}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:receiver=>{:module_name=>"String"}, :call_site=>{:name=>"new"}, :argument_list=>[]}}, {:receiver=>{:name=>"tmp"}, :call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"i"}}]}], :end=>"end"}}
+    @transform_output = Ast::BlockExpression.new(Ast::IntegerExpression.new(1), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:tmp),Ast::CallSiteExpression.new(:new, [] ,Ast::ModuleName.new(:String))), Ast::CallSiteExpression.new(:puts, [Ast::NameExpression.new(:i)] ,Ast::NameExpression.new(:tmp))] )
+    @parser = @parser.block
+  end
+
+  def pest_big_block
+    @string_input = <<HERE
+while( n > 1) do
+  tmp = a
+  a = b
+  b = tmp + b
+  puts(b)
+  n = n - 1
+end
+HERE
+    @string_input.chop!
+    @parse_output = {:while=>"while", :while_cond=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"1"}}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}}, {:l=>{:name=>"a"}, :o=>"= ", :r=>{:name=>"b"}}, {:l=>{:name=>"b"}, :o=>"= ", :r=>{:l=>{:name=>"tmp"}, :o=>"+ ", :r=>{:name=>"b"}}}, {:call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"b"}}]}, {:l=>{:name=>"n"}, :o=>"= ", :r=>{:l=>{:name=>"n"}, :o=>"- ", :r=>{:integer=>"1"}}}], :end=>"end"}}
+    @transform_output = Ast::BlockExpression.new(Ast::OperatorExpression.new(">", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:a)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::NameExpression.new(:b)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:b),Ast::OperatorExpression.new("+", Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:b))), Ast::CallSiteExpression.new(:puts, [Ast::NameExpression.new(:b)] ,Ast::NameExpression.new(:self)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:n),Ast::OperatorExpression.new("-", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)))] )
+    @parser = @parser.block
+  end
+end