use ast that produces ruby output

on the way to removing the language, the at needs to be replaced with a
typed structure.

Gemfile

@@ -2,16 +2,14 @@ source "http://rubygems.org"
 
 gem "rake"
 
-gem "salama-reader" , :path => "."
+gem "soml-parser" , :path => "."
 
 # use this for debugging, the printout is better (cut/paste)
- gem "ast" , :github => "dancinglightning/ast" , :branch => :new_inspect
-#gem "ast"
+gem "ast" , :github => "dancinglightning/ast"
  
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
   gem "codeclimate-test-reporter", require: nil
   gem "minitest"
-  gem "rubygems-tasks"
 end

Gemfile.lock

@@ -1,16 +1,15 @@
 GIT
   remote: git://github.com/dancinglightning/ast.git
-  revision: a9bc29377a94d2194e92596aceb9be7c7db4c8f8
-  branch: new_inspect
+  revision: 3814fb102af82a30bf334005ebe17332744f9dad
   specs:
     ast (2.1.0)
 
 PATH
   remote: .
   specs:
-    salama-reader (0.3.0)
+    soml-parser (0.5.0)
       ast (~> 2.1.0)
-      parslet (~> 1.7.0)
+      parslet (~> 1.7.1)
 
 GEM
   remote: http://rubygems.org/
@@ -24,7 +23,6 @@ GEM
     parslet (1.7.1)
       blankslate (>= 2.0, <= 4.0)
     rake (10.4.2)
-    rubygems-tasks (0.2.4)
     simplecov (0.9.2)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -39,8 +37,7 @@ DEPENDENCIES
   codeclimate-test-reporter
   minitest
   rake
-  rubygems-tasks
-  salama-reader!
+  soml-parser!
 
 BUNDLED WITH
-   1.10.6
+   1.13.5

README.md

@@ -1,17 +1,17 @@
-[![Build Status](https://travis-ci.org/salama/salama-reader.svg?branch=master)](https://travis-ci.org/salama/salama-reader)
-[![Gem Version](https://badge.fury.io/rb/salama-reader.svg)](http://badge.fury.io/rb/salama-reader)
-[![Test Coverage](https://codeclimate.com/github/salama/salama-reader/badges/coverage.svg)](https://codeclimate.com/github/salama/salama-reader)
+[![Build Status](https://travis-ci.org/salama/soml-parser.svg?branch=master)](https://travis-ci.org/salama/soml-parser)
+[![Gem Version](https://badge.fury.io/rb/soml-parser.svg)](http://badge.fury.io/rb/soml-parser)
+[![Test Coverage](https://codeclimate.com/github/salama/soml-parser/badges/coverage.svg)](https://codeclimate.com/github/salama/soml-parser)
 
-## Salama Reader
+## Soml Parser
 
-The parser part of salama is now a standalone gem. It parses Phisol using Parslet and no other dependencies.
+The parser part of soml is a standalone gem to allow independent development.
+It parses Soml using Parslet and no other dependencies.
 
 Also it is very educational, as it is very readable code, and not too much of it.
 
-## Phisol Phi System Object Language
+## Soml: Salama Object Machine Language
 
-Phisol is just forming after realizing the (unfortunate) need for an oo system language.
-(I really  didn't want to do yet another language)
+Soml is Still forming after realizing the need for an oo system language.
 
  The need comes from these three things:
 
@@ -20,26 +20,18 @@ Phisol is just forming after realizing the (unfortunate) need for an oo system l
 - Upward compatible memory and calling conventions are needed
 - Multiple return addresses are needed
 
-From these comes the name: A phi node is the opposite of what you may think of as an if. Actually an
-if statement is always a branch (the if part) and a rejoining of the two branches (the phi part).
-
-In Phisol a function call is not necessarily a part of linear code. A call may return to several
+In Soml a function call is not necessarily a part of linear code. A call may return to several
 addresses, making the call more like an if statement.  
 
 ### Syntax
 
-Syntax (and semantics) of Phisol are just forming, but some things are clear:
+Syntax and semantics of Soml are described on the [salama site](http://salama-vm.org/soml/soml.html)
 
-- statically typed (in the beginning with just two types) meaning all variable declarations,
-  functions and arguments shall be typed.
+- statically typed so all variable declarations, functions and arguments are typed.
 - objects but without data hiding
-- probably nil objects
 - static blocks (a bit ala crystal)
 - call syntax as already discussed, ie message based
-
-Some things we shall leave behind from the ruby approach are a lot of sugar, like missing brackets,
-random code everywhere, expressions galore . . .
-
+- no semicolns and stuff, but not ruby either
 
 ### Parser
 
@@ -52,10 +44,10 @@ Most names are quite self explanatory, but here is a list:
 - call_site is a function call. May be qualified, but currently must still have braches
 - compound types are hash and array definitions. Hashes still need curlies
 - control is if statement which still must have an else
-- expression is a helper for all code allowed in a function
+- statement is a helper for all code allowed in a function
 - function definition must have braces too
 - keywords is just a list of them
-- operator expression are binary operators (see also below). There's a surprising amount
+- operator statement are binary operators (see also below). There's a surprising amount
 - return statement are straightforward
 - while still needs a do, though i think in ruby a newline is sufficient
 

Rakefile

@@ -11,9 +11,7 @@ rescue Bundler::BundlerError => e
 end
 require 'rake'
 
-
-require 'rubygems/tasks'
-Gem::Tasks.new
+require "bundler/gem_tasks"
 
 require 'rake/testtask'
 Rake::TestTask.new(:test) do |test|
@@ -29,7 +27,7 @@ Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""
 
   rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "salama-reader #{version}"
+  rdoc.title = "soml-parser #{version}"
   rdoc.rdoc_files.include('README*')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end

lib/parser/basic_types.rb

@@ -36,27 +36,29 @@ module Parser
     rule(:digit) { match('[0-9]') }
     rule(:exponent) { (str('e')| str('E')) }
 
-    rule(:type) { (str("int") | str("ref")).as(:type) >> space }
+    rule(:type) { (str("int") | class_name).as(:type) >> space }
     # identifier must start with lower case
-    # TODO rule forbit names like if_true, because it starts with a keyword. a little looser please!
+    # TODO rule forbit names like true_statements, because it starts with a keyword. a little looser please!
     rule(:name)   { (keyword|type).absent? >> (match['a-z_'] >> match['a-zA-Z0-9_'].repeat).as(:name)  >> space? }
     # fields have type
-    rule(:field) { type >> name >> (assign >> value_expression.as(:value) ).maybe}
-    rule(:class_field) { keyword_field >> field }
+
     # and class/module names must start with capital
-    rule(:module_name) { keyword.absent? >> (match['A-Z'] >> match['a-zA-Z0-9_'].repeat).as(:module_name)  >> space? }
+    rule(:class_name) { keyword.absent? >> (match['A-Z'] >> match['a-zA-Z0-9_'].repeat).as(:class_name)  >> space? }
 
     rule(:escape)     { str('\\') >> any.as(:esc) }
     rule(:string)     { quote >> (
         escape |
         nonquote.as(:char)
-      ).repeat(1).as(:string) >> quote }
+      ).repeat(1).as(:string) >> quote >> space? }
 
     rule(:integer)    { sign.maybe >> digit.repeat(1).as(:integer) >> space? }
 
     rule(:float) { integer >>  dot >> integer >>
                             (exponent >> sign.maybe >> digit.repeat(1,3)).maybe >> space?}
-    rule(:basic_type){ integer | name | string | float | field | module_name |
-                       keyword_true | keyword_false | keyword_nil }
+
+    rule(:field_access) { name.as(:receiver) >> str(".") >> name.as(:field) }
+
+    rule(:basic_type){  integer | name | string | float | class_name |
+                       ((keyword_true | keyword_false | keyword_nil) >> space? ) }
   end
 end

lib/parser/call_site.rb

@@ -2,17 +2,22 @@ module Parser
   module CallSite
     include Parslet
 
+    rule(:r_value) { operator_value | call_site | field_access | basic_type }
+
+    rule(:assign) { str('=') >> space?}
+    rule(:assignment){ (field_access|name).as(:l_value) >> assign.as(:assign) >> r_value.as(:r_value) }
+
+    rule(:field_def) { type >> name >> (assign >> r_value.as(:value) ).maybe}
+
     rule(:argument_list) {
       left_parenthesis >>
       (  (basic_type.as(:argument) >>
-          (comma >> basic_type.as(:argument)).repeat(0)).repeat(0,1)).as(:argument_list) >>
+          (comma >> r_value.as(:argument)).repeat(0)).repeat(0,1)).as(:argument_list) >>
            right_parenthesis
     }
 
     rule(:call_site) { (basic_type.as(:receiver) >> str(".")).maybe >> #possibly qualified
                           name.as(:call_site) >> argument_list >> comment.maybe}
 
-    rule(:field_access) { name.as(:receiver) >> str(".") >> name.as(:field) }
-
   end
 end

lib/parser/class_definition.rb

@@ -0,0 +1,16 @@
+module Parser
+  module ModuleDef
+    include Parslet
+
+    rule(:class_field) { keyword_field >> field_def }
+
+    rule(:class_body) {
+      function_definition | class_field
+    }
+    rule(:class_definition) do
+      keyword_class >> class_name >> (str("<") >> space >> class_name).maybe.as(:derived_name) >>
+      ( (keyword_end.absent? >> class_body).repeat()).as(:class_statements) >> keyword_end
+    end
+
+  end
+end

lib/parser/compound_types.rb

@@ -5,12 +5,12 @@ module Parser
 
     rule(:array_constant) do
       left_bracket >>
-      (  ((operator_expression|value_expression).as(:array_element) >> space? >>
-          (comma >> space? >> (operator_expression|value_expression).as(:array_element)).repeat(0)).repeat(0,1)).as(:array_constant) >>
+      (  (r_value.as(:array_element) >> space? >>
+          (comma >> space? >> r_value.as(:array_element)).repeat(0)).repeat(0,1)).as(:array_constant) >>
           space? >> right_bracket
       end
 
-    rule(:hash_pair)  { basic_type.as(:hash_key) >> association >> (operator_expression|value_expression).as(:hash_value) }
+    rule(:hash_pair)  { basic_type.as(:hash_key) >> association >> r_value.as(:hash_value) }
     rule(:hash_constant)       { left_brace >> ((hash_pair.as(:hash_pair) >>
                          (comma >> space? >> hash_pair.as(:hash_pair)).repeat(0)).repeat(0,1)).as(:hash_constant)>>
                          space? >> right_brace }

lib/parser/control.rb

@@ -1,24 +0,0 @@
-module Parser
-  module Control
-    include Parslet
-    rule(:conditional) do
-      keyword_if >>
-       left_parenthesis >> (operator_expression|value_expression).as(:conditional) >> right_parenthesis >>
-        expressions_else.as(:if_true) >> expressions_end.as(:if_false)
-    end
-
-    rule(:small_conditional) do
-      keyword_if >>
-       left_parenthesis >> (operator_expression|value_expression).as(:conditional) >> right_parenthesis >>
-          expressions_end.as(:if_true)
-      end
-
-    rule(:while_do) do
-      keyword_while  >> left_parenthesis >> (operator_expression|value_expression).as(:while_cond)  >>
-                              right_parenthesis >> expressions_end.as(:body)
-    end
-    rule(:simple_return) do
-      keyword_return >> (operator_expression|value_expression).as(:return_expression)
-    end
-  end
-end

lib/parser/expression.rb

@@ -1,20 +0,0 @@
-module Parser
-  module Expression
-    include Parslet
-
-    rule(:value_expression) { call_site | field_access |basic_type }
-
-    rule(:expression) { (simple_return | while_do | small_conditional | conditional |
-                          operator_expression | call_site | class_field | field |
-                          hash_constant | array_constant)  }
-
-    def delimited_expressions( delimit )
-      ( (delimit.absent? >> expression).repeat(1)).as(:expressions) >> delimit
-    end
-
-    rule(:expressions_do)     { delimited_expressions(keyword_do) }
-    rule(:expressions_else)   { delimited_expressions(keyword_else) }
-    rule(:expressions_end)    { delimited_expressions(keyword_end) }
-
-  end
-end

lib/parser/function_definition.rb

@@ -3,13 +3,13 @@ module Parser
     include Parslet
 
     rule(:function_definition) {
-      type >> ((module_name|name).as(:receiver) >> str(".")).maybe >> #possibly qualified
+      type >> ((class_name|name).as(:receiver) >> str(".")).maybe >> #possibly qualified
                   name.as(:function_name) >> left_parenthesis >>
-                  parameter_list.maybe >> right_parenthesis >> expressions_end >> space?
+                  parameter_list.maybe >> right_parenthesis >> statements_end >> space?
     }
 
     rule(:parameter_list) {
-      ((field.as(:parameter) >> (comma >> field.as(:parameter)).repeat(0)).repeat(0,1)).as(:parameter_list)
+      ((field_def.as(:parameter) >> (comma >> field_def.as(:parameter)).repeat(0)).repeat(0,1)).as(:parameter_list)
     }
 
   end

lib/parser/keywords.rb

@@ -4,25 +4,18 @@ module Parser
 
     rule(:keyword_begin)  {  str('begin').as(:begin) >> space?}
     rule(:keyword_class)  {  str('class') >> space? }
-    rule(:keyword_do)     {  str('do').as(:do) >> space?}
     rule(:keyword_else)   {  str('else').as(:else) >> space? }
     rule(:keyword_end)    {  str('end').as(:end) >> space? }
     rule(:keyword_false)  {  str('false').as(:false) }
     rule(:keyword_field)  {  str('field').as(:field) >> space? }
-    rule(:keyword_if)     {  str('if').as(:if)  }
-    rule(:keyword_rescue) {  str('rescue').as(:rescue) >> space?}
     rule(:keyword_return) {  str('return').as(:return) >> space?}
     rule(:keyword_true)   {  str('true').as(:true) }
-    rule(:keyword_module) {  str('module') >> space? }
     rule(:keyword_nil)    {  str('nil').as(:nil) }
-    rule(:keyword_unless) {  str('unless').as(:unless) >> space?}
-    rule(:keyword_until)  {  str('until').as(:until) >> space?}
-    rule(:keyword_while)  {  str('while').as(:while) }
 
     # this rule is just to make sure identifiers can't be keywords. Kind of duplication here, but we need the
     # space in above rules, so just make sure to add any here too.
-    rule(:keyword){ str('begin') | str('def') | str('do') | str('else') | str('end') |
-                    str('false')| str('if')| str('rescue')| str('true')| str('nil') |
-                    str('unless')| str('until')| str('while') | str('field')}
+    rule(:keyword){ str('if_')    | str('else') | str('end') | str('while_') |
+                    str('false') | str('true')| str('nil') | str("class") |
+                    str('return')| str('int')|  str('field')}
   end
 end

lib/parser/module_definition.rb

@@ -1,15 +0,0 @@
-module Parser
-  module ModuleDef
-    include Parslet
-    rule(:module_definition) do
-      keyword_module >> module_name >>
-      ( (keyword_end.absent? >> root_body).repeat()).as(:module_expressions) >> keyword_end
-    end
-
-    rule(:class_definition) do
-      keyword_class >> module_name >> (smaller >> module_name).maybe.as(:derived_name) >>
-      ( (keyword_end.absent? >> root_body).repeat()).as(:class_expressions) >> keyword_end
-    end
-
-  end
-end

lib/parser/operators.rb

@@ -1,48 +1,15 @@
 module Parser
   module Operators
     include Parslet
-    rule(:exponent) { str('**') >> space?}
-    rule(:multiply) { match['*/%']  >> space? }
-    rule(:plus) { match['+-']  >> space? }
-    rule(:shift) { str(">>") | str("<<") >> space?}
-    rule(:bit_and) { str('&') >> space?}
-    rule(:bit_or) { str('|') >> space?}
-    rule(:greater_equal) { str('>=') >> space?}
-    rule(:less_or_equal) { str('<=') >> space?}
-    rule(:larger) { str('>') >> space?}
-    rule(:smaller) { str('<') >> space?}
-    rule(:identity) { str('===') >> space?}
-    rule(:equal) { str('==') >> space?}
-    rule(:not_equal) { str('!=') >> space?}
-    rule(:boolean_and) { str('&&') | str("and") >> space?}
-    rule(:boolean_or) { str('||') | str("or") >> space?}
-    rule(:assign) { str('=') >> space?}
-    rule(:op_assign) { str('+=')|str('-=')|str('*=')|str('/=')|str('%=') >> space?}
-    rule(:eclipse) { str('..') |str("...") >> space?}
-    rule(:assign) { str('=') >> space?}
 
-    #infix doing the heavy lifting here,
-    # is defined as an expressions and array of [atoms,priority,binding] triples
-    rule(:operator_expression) do infix_expression(value_expression,
-                                     [exponent, 120, :left] ,
-                                     [multiply, 120, :left] ,
-                                     [plus, 110, :left],
-                                     [shift, 100, :left],
-                                     [bit_and, 90, :left],
-                                     [bit_or, 90, :right],
-                                     [greater_equal, 80, :left],
-                                     [less_or_equal, 80, :left],
-                                     [larger, 80, :left],
-                                     [smaller, 80, :left],
-                                     [identity, 70, :right],
-                                     [equal, 70, :right],
-                                     [not_equal, 70, :right],
-                                     [boolean_and, 60, :left],
-                                     [boolean_or, 50, :right],
-                                     [eclipse, 40, :right],
-                                     [keyword_rescue, 30, :right],
-                                     [assign, 20, :right],
-                                     [op_assign, 20, :right] ) >> space?
-                                   end
+    rule(:operator_sym) {
+      str('**') | str('*') | str('/') | str('/') | str('%') |
+      str('+') | str('-') | str('<<')| str('>>') |
+      str('|') | str('&') |
+      str('>=') | str('<=') | str('>') | str('<') |
+      str('==') | str('!=')   }
+
+      rule(:operator_value) {  (field_access|basic_type).as(:left) >>
+          operator_sym.as(:operator) >> space? >> (field_access|basic_type).as(:right) }
   end
 end

lib/parser/soml.rb

@@ -2,11 +2,10 @@ require_relative "basic_types"
 require_relative "compound_types"
 require_relative "tokens"
 require_relative "keywords"
-require_relative "control"
-require_relative "expression"
+require_relative "statement"
 require_relative "call_site"
 require_relative "function_definition"
-require_relative "module_definition"
+require_relative "class_definition"
 require_relative "operators"
 
 module Parser
@@ -24,15 +23,13 @@ module Parser
     include CompoundTypes
     include Tokens
     include Keywords
-    include Control
-    include Expression
+    include Statement
     include CallSite
     include FunctionDefinition
     include Operators
     include ModuleDef
 
-    rule(:root_body)    {(module_definition | class_definition | function_definition |
-                          expression  | operator_expression | call_site  )}
-    rule(:root)         { root_body.repeat.as(:expression_list) }
+    rule(:root_body)    {( class_definition | function_definition  )}
+    rule(:root)         { root_body.repeat.as(:statement_list) }
   end
 end

lib/parser/statement.rb

@@ -0,0 +1,46 @@
+module Parser
+  module Statement
+    include Parslet
+
+    rule( :keyword_while) do
+      str("while_") >> alpha.repeat.as(:condition) >> space
+    end
+
+    rule(:while_statement) do
+      keyword_while  >> left_parenthesis >> r_value.as(:conditional)  >>
+                              right_parenthesis >> statements_end.as(:body)
+    end
+
+    rule( :keyword_if) do
+      str("if_") >> alpha.repeat.as(:condition) >> space
+    end
+    rule(:if_statement) do
+      keyword_if >>
+       left_parenthesis >> r_value.as(:conditional) >> right_parenthesis >>
+        statements_else.as(:true_statements) >> statements_end.as(:false_statements)
+    end
+
+    rule(:small_conditional) do
+      keyword_if >>
+       left_parenthesis >> r_value.as(:conditional) >> right_parenthesis >>
+          statements_end.as(:true_statements)
+      end
+
+    rule(:return_statement) do
+      keyword_return >> r_value.as(:return_statement)
+    end
+
+    rule(:statement) { (return_statement | while_statement | small_conditional | if_statement |
+                          assignment | class_field | field_def | call_site |
+                          hash_constant | array_constant)  }
+
+    def delimited_statements( delimit )
+      ( (delimit.absent? >> statement).repeat(1)).as(:statements) >> delimit
+    end
+
+    rule(:statements_do)     { delimited_statements(keyword_do) }
+    rule(:statements_else)   { delimited_statements(keyword_else) }
+    rule(:statements_end)    { delimited_statements(keyword_end) }
+
+  end
+end

lib/parser/transform.rb

@@ -1,7 +1,17 @@
 
 #include is private in 1.9, who'd have known without travis
 Parslet::Context.send :include , AST::Sexp
-
+Parslet::Context.class_eval do
+  def type_sym t
+    if( t.is_a? AST::Node )
+      t = t.children.first
+    else
+      t = t.to_sym
+      t = :Integer if t == :int
+    end
+    t
+  end
+end
 module Parser
   class Transform < Parslet::Transform
 
@@ -15,16 +25,22 @@ module Parser
     rule(:integer => simple(:value)) { s(:int ,value.to_i) }
     rule(:name   => simple(:name))  { s(:name , name.to_sym) }
     # local variables
-    rule(:type   => simple(:type), :name   => simple(:name))  { s(:field_def , type.to_sym , name.to_sym) }
+    rule(:type   => simple(:type), :name   => simple(:name))  {
+        s(:field_def , type_sym(type) , s(:name , name.to_sym)) }
     rule(:type   => simple(:type), :name   => simple(:name) , :value => simple(:value))  {
-      s(:field_def , type.to_sym , name.to_sym , value ) }
+      s(:field_def , type_sym(type) , s(:name , name.to_sym) , value ) }
     # class field
     rule(:field => simple(:field) , :type   => simple(:type), :name   => simple(:name))  {
-      s(:class_field , type.to_sym , name.to_sym) }
+      s(:class_field , type_sym(type) , name.to_sym) }
     rule(:field => simple(:field) , :type   => simple(:type), :name   => simple(:name) , :value => simple(:value))  {
-      s(:class_field , type.to_sym , name.to_sym , value ) }
+      s(:class_field , type_sym(type) , name.to_sym , value ) }
 
-    rule(:module_name   => simple(:module_name))  { s(:module,module_name.to_s) }
+    rule(:l_value => simple(:l_value) , :assign => simple(:assign) , :r_value => simple(:r_value)) {
+      s(:assignment , l_value , r_value)
+    }
+    rule( :left => simple(:left) , :operator => simple(:operator) ,
+      :right => simple(:right)) { s(:operator_value , operator.to_sym , left , right )}
+    rule(:class_name   => simple(:class_name))  { s(:class_name,class_name.to_s.to_sym) }
 
     rule(:array_constant => sequence(:array_constant) ) { s(:array , *array_constant) }
     rule(:array_element  => simple(:array_element))    { array_element  }
@@ -48,68 +64,59 @@ module Parser
            s(:field_access , s(:receiver , receiver) , s(:field , field) )
     end
 
-    rule(:if => simple(:if), :conditional     => simple(:conditional),
-         :if_true  => {:expressions => sequence(:if_true) , :else => simple(:else) },
-         :if_false => {:expressions => sequence(:if_false) , :end => simple(:e) }) do
-           s(:if , s(:condition, conditional), s(:if_true, *if_true), s(:if_false , *if_false))
+    rule(:condition => simple(:condition)  ,
+         :conditional     => simple(:conditional),
+         :body => {:statements => sequence(:body) , :end => simple(:e) }) do
+           s(:while_statement,condition.to_s.to_sym, s(:conditional , conditional), s(:statements , *body))
     end
 
-    rule(:if => simple(:if), :conditional     => simple(:conditional),
-         :if_true  => {:expressions => sequence(:if_true) , :end => simple(:e) }) do
-           s(:if , s(:condition, conditional), s(:if_true, *if_true), s(:if_false , nil) )
+    rule(:condition  => simple(:condition), :conditional     => simple(:conditional),
+         :true_statements  => {:statements => sequence(:true_statements) , :else => simple(:else) },
+         :false_statements => {:statements => sequence(:false_statements) , :end => simple(:e) }) do
+           s(:if_statement, condition.to_s.to_sym,
+                            s(:condition, conditional),
+                            s(:true_statements, *true_statements),
+                            s(:false_statements , *false_statements))
     end
 
-    rule(:while     => simple(:while),
-         :while_cond => simple(:while_cond)  ,
-         :body => {:expressions => sequence(:body) , :end => simple(:e) }) do
-           s(:while , s(:condition , while_cond), s(:expressions , *body))
+    rule(:condition  => simple(:condition), :conditional     => simple(:conditional),
+         :true_statements  => {:statements => sequence(:true_statements) , :end => simple(:e) }) do
+           s(:if_statement, condition.to_s.to_sym, s(:condition, conditional),
+                            s(:true_statements, *true_statements), s(:false_statements , nil) )
     end
 
-    rule(:return => simple(:return) , :return_expression => simple(:return_expression))do
-       s(:return , return_expression)
+    rule(:return => simple(:return) , :return_statement => simple(:return_statement))do
+       s(:return , return_statement)
      end
 
-    rule(:parameter  => simple(:parameter))    { s(:parameter , *parameter)  }
+    rule(:parameter  => simple(:parameter))    { s(:parameter , parameter.children[0] , parameter.children[1].children[0])  }
 
     # Also two rules for function definitions, unqualified and qualified
     rule(:type => simple(:type) ,
          :function_name   => simple(:function_name),
          :parameter_list => sequence(:parameter_list),
-         :expressions   => sequence(:expressions) , :end => simple(:e)) do
-            s(:function, type.to_sym , function_name,  s(:parameters , *parameter_list ),
-            s(:expressions , *expressions))
+         :statements   => sequence(:statements) , :end => simple(:e)) do
+            s(:function, type_sym(type) , function_name,  s(:parameters , *parameter_list ),
+            s(:statements , *statements))
           end
 
     rule(:type => simple(:type) ,
          :receiver=> simple(:receiver),
          :function_name   => simple(:function_name),
          :parameter_list => sequence(:parameter_list),
-         :expressions   => sequence(:expressions) , :end => simple(:e)) do
-            s(:function, type.to_sym , function_name,  s(:parameters , *parameter_list ),
-            s(:expressions , *expressions) , s(:receiver , *receiver))
+         :statements   => sequence(:statements) , :end => simple(:e)) do
+            s(:function, type_sym(type) , function_name,  s(:parameters , *parameter_list ),
+            s(:statements , *statements) , s(:receiver , *receiver))
           end
 
-    rule(l: simple(:l), o: simple(:o) , r: simple(:r)) do
-      op = o.to_s.strip
-      if op == "="
-        s(:assign , l ,r)
-      else
-        s(:operator, op , l ,r)
-      end
-    end
-
-    #modules and classes are understandibly quite similar   Class < Module
-    rule( :module_name => simple(:module_name) , :derived_name => simple(:derived_name) , :class_expressions => sequence(:class_expressions) , :end=>"end") do
-      s(:class , module_name.to_s.to_sym ,
+    rule( :class_name => simple(:class_name) , :derived_name => simple(:derived_name) , :class_statements => sequence(:class_statements) , :end=>"end") do
+      s(:class , class_name.to_s.to_sym ,
           s(:derives, derived_name ? derived_name.to_a.first.to_sym : nil) ,
-            s(:expressions, *class_expressions) )
-    end
-    rule( :module_name => simple(:module_name) , :module_expressions => sequence(:module_expressions) , :end=>"end") do
-      s(:module , module_name.to_s.to_sym , s(:expressions, *module_expressions))
+            s(:statements, *class_statements) )
     end
 
-    rule(:expression_list => sequence(:expression_list)) {
-      s(:expressions , *expression_list)
+    rule(:statement_list => sequence(:statement_list)) {
+      s(:statements , *statement_list)
     }
 
     #shortcut to get the ast tree for a given string

lib/soml-parser.rb

@@ -1,4 +1,5 @@
 require 'parslet'
-require 'parser/salama'
+require 'parser/soml'
 require "ast"
 require 'parser/transform'
+require "soml/code/code"

lib/soml/code/assignment.rb

@@ -0,0 +1,13 @@
+module Soml
+  class Assignment < Statement
+    attr_accessor :name , :value
+    def initialize(n = nil , v = nil )
+      @name , @value = n , v
+    end
+  end
+
+  class FieldDef < Statement
+    attr_accessor :name , :type , :value
+  end
+
+end

lib/soml/code/basic_values.rb

@@ -0,0 +1,39 @@
+module Soml
+  class IntegerExpression < Expression
+    attr_accessor :value
+    def initialize(value)
+      @value = value
+    end
+  end
+  class FloatExpression < Expression
+    attr_accessor :value
+    def initialize(value)
+      @value = value
+    end
+  end
+  class TrueExpression < Expression
+  end
+  class FalseExpression < Expression
+  end
+  class NilExpression < Expression
+  end
+  class StringExpression < Expression
+    attr_accessor :value
+    def initialize(value)
+      @value = value
+    end
+  end
+  class NameExpression < Expression
+    attr_accessor :value
+    alias :name :value
+    def initialize(value)
+      @value = value
+    end
+  end
+  class ClassExpression < Expression
+    attr_accessor :value
+    def initialize(value)
+      @value = value
+    end
+  end
+end

lib/soml/code/call_site.rb

@@ -0,0 +1,5 @@
+module Soml
+  class CallSite < Expression
+    attr_accessor :name , :receiver , :arguments
+  end
+end

lib/soml/code/class_statement.rb

@@ -0,0 +1,9 @@
+module Soml
+  class ClassStatement < Statement
+    attr_accessor :name , :derives , :statements
+  end
+
+  class ClassField < Statement
+    attr_accessor :name , :type
+  end
+end

lib/soml/code/code.rb

@@ -0,0 +1,27 @@
+
+# Base class for Expresssion and Statement
+module Soml
+
+  class Code
+
+  end
+
+  class Statement < Code
+  end
+  class Expression < Code
+  end
+
+end
+
+require_relative "while_statement"
+require_relative "if_statement"
+require_relative "return_statement"
+require_relative "statements"
+require_relative "operator_expression"
+require_relative "field_access"
+require_relative "call_site"
+require_relative "basic_values"
+require_relative "assignment"
+require_relative "class_statement"
+require_relative "function_statement"
+require_relative "to_code"

lib/soml/code/field_access.rb

@@ -0,0 +1,5 @@
+module Soml
+  class FieldAccess < Expression
+    attr_accessor :receiver , :field
+  end
+end

lib/soml/code/function_statement.rb

@@ -0,0 +1,5 @@
+module Soml
+  class FunctionStatement < Statement
+    attr_accessor :return_type , :name , :parameters, :statements , :receiver
+  end
+end

lib/soml/code/if_statement.rb

@@ -0,0 +1,5 @@
+module Soml
+  class IfStatement < Statement
+    attr_accessor :branch_type , :condition , :if_true , :if_false
+  end
+end

lib/soml/code/operator_expression.rb

@@ -0,0 +1,5 @@
+module Soml
+  class OperatorExpression < Expression
+    attr_accessor :operator , :left_expression , :right_expression
+  end
+end

lib/soml/code/return_statement.rb

@@ -0,0 +1,5 @@
+module Soml
+  class ReturnStatement < Statement
+    attr_accessor :return_value
+  end
+end

lib/soml/code/statements.rb

@@ -0,0 +1,5 @@
+module Soml
+  class Statements < Statement
+    attr_accessor :statements
+  end
+end

lib/soml/code/to_code.rb

@@ -0,0 +1,163 @@
+module Soml
+
+  def self.ast_to_code statement
+    compiler = ToCode.new
+    compiler.process statement
+  end
+
+  class ToCode < AST::Processor
+
+    def handler_missing node
+      raise "No handler  on_#{node.type}(node)"
+    end
+
+    def on_class statement
+      name , derives , statements = *statement
+      w = ClassStatement.new()
+      w.name = name
+      w.derives = derives.children.first
+      w.statements = process(statements)
+      w
+    end
+
+    def on_function  statement
+      return_type , name , parameters, statements , receiver = *statement
+      w = FunctionStatement.new()
+      w.return_type = return_type
+      w.name = name.children.first
+      w.parameters = parameters.to_a.collect do |p|
+        raise "error, argument must be a identifier, not #{p}" unless p.type == :parameter
+        p.children
+      end
+      w.statements = process(statements)
+      w.receiver = receiver
+      w
+    end
+
+    def on_field_def statement
+      type , name , value = *statement
+      w = FieldDef.new()
+      w.type = type
+      w.name = process(name)
+      w.value = process(value) if value
+      w
+    end
+
+    def on_class_field statement
+      type , name = *statement
+      w = ClassField.new()
+      w.type = type
+      w.name = name
+      w
+    end
+
+    def on_while_statement statement
+      branch_type , condition , statements = *statement
+      w = WhileStatement.new()
+      w.branch_type = branch_type
+      w.condition = process(condition)
+      w.statements = process(statements)
+      w
+    end
+
+    def on_if_statement statement
+      branch_type , condition , if_true , if_false = *statement
+      w = IfStatement.new()
+      w.branch_type = branch_type
+      w.condition = process(condition)
+      w.if_true = process(if_true)
+      w.if_false = process(if_false)
+      w
+    end
+
+    def process_first code
+      raise "Too many children #{code.inspect}" if code.children.length != 1
+      process code.children.first
+    end
+    alias  :on_conditional :process_first
+    alias  :on_condition :process_first
+    alias  :on_field :process_first
+
+    def on_statements statement
+      w = Statements.new()
+      return w unless statement.children
+      return w unless statement.children.first
+      w.statements = process_all(statement.children)
+      w
+    end
+    alias :on_true_statements :on_statements
+    alias :on_false_statements :on_statements
+
+    def on_return statement
+      w = ReturnStatement.new()
+      w.return_value = process(statement.children.first)
+      w
+    end
+
+    def on_operator_value statement
+      operator , left_e , right_e = *statement
+      w = OperatorExpression.new()
+      w.operator = operator
+      w.left_expression = process(left_e)
+      w.right_expression = process(right_e)
+      w
+    end
+
+    def on_field_access statement
+      receiver_ast , field_ast = *statement
+      w = FieldAccess.new()
+      w.receiver = process(receiver_ast)
+      w.field = process(field_ast)
+      w
+    end
+
+    def on_receiver expression
+      process expression.children.first
+    end
+
+    def on_call statement
+      name_s , arguments , receiver = *statement
+      w = CallSite.new()
+      w.name = name_s.children.first
+      w.arguments = process_all(arguments)
+      w.receiver = process(receiver)
+      w
+    end
+
+    def on_int expression
+      IntegerExpression.new(expression.children.first)
+    end
+
+    def on_true expression
+      TrueExpression.new
+    end
+
+    def on_false expression
+      FalseExpression.new
+    end
+
+    def on_nil expression
+      NilExpression.new
+    end
+
+    def on_name statement
+      NameExpression.new(statement.children.first)
+    end
+    def on_string expression
+      StringExpression.new(expression.children.first)
+    end
+
+    def on_class_name expression
+      ClassExpression.new(expression.children.first)
+    end
+
+    def on_assignment statement
+      name , value = *statement
+      w = Assignment.new()
+      w.name = process name
+      w.value = process(value)
+      w
+    end
+
+  end
+end

lib/soml/code/while_statement.rb

@@ -0,0 +1,5 @@
+module Soml
+  class WhileStatement < Statement
+    attr_accessor :branch_type , :condition , :statements
+  end
+end

soml-parser.gemspec

@@ -1,19 +1,19 @@
 # -*- encoding: utf-8 -*-
 
 Gem::Specification.new do |s|
-  s.name = 'salama-reader'
-  s.version = '0.3.0'
+  s.name = 'soml-parser'
+  s.version = '0.5.0'
 
   s.authors = ['Torsten Ruger']
   s.email = 'torsten@villataika.fi'
   s.extra_rdoc_files = ['README.md']
   s.files = %w(README.md LICENSE) + Dir.glob("lib/**/*")
-  s.homepage = 'https://github.com/salama/salama-reader'
+  s.homepage = 'https://github.com/salama/soml-parser'
   s.license = 'GNU v3'
   s.require_paths = ['lib']
-  s.summary = 'Ruby parser for the salama machine'
+  s.summary = 'Ruby parser for the salama object system language'
 
-  s.add_dependency 'parslet', '~> 1.7.0'
+  s.add_dependency 'parslet', '~> 1.7.1'
   s.add_dependency 'ast', '~> 2.1.0'
 
 end

test/README.md

@@ -8,8 +8,10 @@ to run just a single, replace all with what you want to test. Minitest accept a
 
     ruby test/test_class.rb -n test_class_ops_parse
 
-Notice tough the "_parse" at the end, while you will find no such function. The Magic (explained below) renerates three
-functions per case. Your options are "_parse" , "_transform" , or if it's really bad, "_ast" (this should really work when the previous two work)
+Notice tough the "_parse" at the end, while you will find no such function.
+The Magic (explained below) generates three functions per case.
+Your options are "_parse" , "_transform" , or if it's really bad, "_ast"
+(this should really work when the previous two work)
 
 ### Directories
 
@@ -26,7 +28,7 @@ Apart from just plain more tests, two additional directories are planned. One is
 
 Parsing is a two step process with parslet:
   - parse takes an input and outputs hashes/arrays with basic types
-  - tramsform takes the output of parse and generates an ast (as specified by the transformation)
+  - transform takes the output of parse and generates an ast (as specified by the transformation)
 
 A test tests both phases separately and again together.
 Each test must thus specify (as instance variables):

test/cases/assignment/assignment_instance.tst

@@ -0,0 +1,9 @@
+self.a = 5
+-- -- --
+s(:assignment,
+  s(:field_access,
+    s(:receiver,
+      s(:name, :self)),
+    s(:field,
+      s(:name, :a))),
+  s(:int, 5))

test/cases/assignment/name.tst

@@ -0,0 +1,5 @@
+name = 10
+-- -- --
+s(:assignment,
+  s(:name, :name),
+  s(:int, 10))

test/cases/basic/module_name.tst

@@ -1,4 +0,0 @@
-FooBar 
--- -- --
-s(:expressions, 
-  s(:module,  "FooBar"))

test/cases/basic/name.tst

@@ -1,4 +0,0 @@
-foo 
--- -- --
-s(:expressions, 
-  s(:name,  :foo))

test/cases/basic/name_underscode_middle.tst

@@ -1,4 +0,0 @@
-foo_bar 
--- -- --
-s(:expressions, 
-  s(:name,  :foo_bar))

test/cases/basic/name_underscode_start.tst

@@ -1,4 +0,0 @@
-_bar 
--- -- --
-s(:expressions, 
-  s(:name,  :_bar))

test/cases/basic/number.tst

@@ -1,4 +0,0 @@
-42 
--- -- --
-s(:expressions, 
-  s(:int,  42))

test/cases/basic/string.tst

@@ -1,4 +0,0 @@
-"hello"
--- -- --
-s(:expressions, 
-  s(:string,  "hello"))

test/cases/basic/string_escapes.tst

@@ -1,4 +0,0 @@
-"hello  \nyou"
--- -- --
-s(:expressions, 
-  s(:string,  "hello  \\nyou"))

test/cases/basic_type/class_name.tst

@@ -0,0 +1,3 @@
+FooBar 
+-- -- --
+s(:class_name, :FooBar)

test/cases/basic_type/name.tst

@@ -0,0 +1,3 @@
+foo
+-- -- --
+s(:name,  :foo)

test/cases/basic_type/name_underscode_middle.tst

@@ -0,0 +1,3 @@
+foo_bar
+-- -- --
+s(:name,  :foo_bar)

test/cases/basic_type/name_underscode_start.tst

@@ -0,0 +1,3 @@
+_bar
+-- -- --
+s(:name,  :_bar)

test/cases/basic_type/number.tst

@@ -0,0 +1,3 @@
+42
+-- -- --
+s(:int,  42)

test/cases/basic_type/string.tst

@@ -0,0 +1,2 @@
+"hello"-- -- --
+s(:string,  "hello")

test/cases/basic_type/string_escapes.tst

@@ -0,0 +1,2 @@
+"hello  \nyou"-- -- --
+s(:string,  "hello  \\nyou")

test/cases/call_site/call_puts_two.tst

@@ -1,8 +1,7 @@
 puts(3  , a )
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :puts),
   s(:arguments,
     s(:int, 3),
-      s(:name,  :a))))
+    s(:name, :a)))

test/cases/call_site/call_site_multi.tst

@@ -1,8 +1,7 @@
 baz(42, foo)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :baz),
   s(:arguments,
     s(:int, 42),
-      s(:name,  :foo))))
+    s(:name, :foo)))

test/cases/call_site/call_site_string.tst

@@ -1,7 +1,6 @@
 puts( "hello")
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :puts),
   s(:arguments,
-      s(:string,  "hello"))))
+    s(:string, "hello")))

test/cases/call_site/field_basic.tst

@@ -1,8 +0,0 @@
-message.self
--- -- --
-s(:expressions,
-  s(:field_access,
-    s(:receiver,
-      s(:name, :message)),
-    s(:field,
-      s(:name, :self))))

test/cases/call_site/int_receiver.tst

@@ -1,8 +1,7 @@
 42.put()
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :put),
   s(:arguments),
   s(:receiver,
-      s(:int,  42))))
+    s(:int, 42)))

test/cases/call_site/puts_call.tst

@@ -1,7 +1,6 @@
 puts( 5)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :puts),
   s(:arguments,
-      s(:int,  5))))
+    s(:int, 5)))

test/cases/call_site/single_argument.tst

@@ -1,7 +1,6 @@
 foo(42)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :foo),
   s(:arguments,
-      s(:int,  42))))
+    s(:int, 42)))

test/cases/call_site/single_class.tst

@@ -1,9 +1,8 @@
 Object.foo(42)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :foo),
   s(:arguments,
     s(:int, 42)),
   s(:receiver,
-      s(:module,  "Object"))))
+    s(:class_name, :Object)))

test/cases/call_site/single_name.tst

@@ -1,9 +1,8 @@
 my_my.foo(42)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :foo),
   s(:arguments,
     s(:int, 42)),
   s(:receiver,
-      s(:name,  :my_my))))
+    s(:name, :my_my)))

test/cases/call_site/single_self.tst

@@ -1,9 +1,8 @@
 self.foo(42)
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :foo),
   s(:arguments,
     s(:int, 42)),
   s(:receiver,
-      s(:name,  :self))))
+    s(:name, :self)))

test/cases/call_site/string_receiver.tst

@@ -1,8 +1,7 @@
 "hello".puts()
 -- -- --
-s(:expressions, 
-  s(:call, 
+s(:call,
   s(:name, :puts),
   s(:arguments),
   s(:receiver,
-      s(:string,  "hello"))))
+    s(:string, "hello")))

test/cases/class_def/class_method.tst

@@ -1,15 +0,0 @@
-class Foo < Object
-  int test()
-    43
-  end
-end
--- -- --
-s(:expressions,
-  s(:class, :Foo,
-    s(:derives, :Object),
-    s(:expressions,
-      s(:function, :int,
-        s(:name, :test),
-        s(:parameters),
-        s(:expressions,
-          s(:int, 43))))))

test/cases/class_def/class_module.tst

@@ -1,17 +0,0 @@
-class Foo
-  module Boo
-    funcall(3 , var)
-  end
-end
--- -- --
-s(:expressions,
-  s(:class, :Foo,
-    s(:derives, nil),
-    s(:expressions,
-      s(:module, :Boo,
-        s(:expressions,
-          s(:call,
-            s(:name, :funcall),
-            s(:arguments,
-              s(:int, 3),
-              s(:name, :var))))))))

test/cases/class_def/class_ops.tst

@@ -1,21 +0,0 @@
-class Opers
-  int foo(int x)
-    int abba = 5
-    abba + 5
-  end
-end
--- -- --
-s(:expressions,
-  s(:class, :Opers,
-    s(:derives, nil),
-    s(:expressions,
-      s(:function, :int,
-        s(:name, :foo),
-        s(:parameters,
-          s(:parameter, :int, :x)),
-        s(:expressions,
-          s(:field_def, :int, :abba,
-            s(:int, 5)),
-          s(:operator, "+",
-            s(:name, :abba),
-            s(:int, 5)))))))

test/cases/class_def/simplest_class.tst

@@ -1,9 +0,0 @@
-class Foo
-  5
-end
--- -- --
-s(:expressions,
-  s(:class, :Foo,
-    s(:derives, nil),
-    s(:expressions,
-      s(:int, 5))))

test/cases/class_definition/big_class.tst

@@ -1,6 +1,6 @@
 class String
 
-  ref self.new_string(int len )
+  String self.new_string(int len )
     len =  len << 2
     return super.new_object( len)
   end
@@ -9,19 +9,19 @@ class String
     return self.length
   end
 
-  int plus(ref str)
+  int plus(String str)
     my_length = self.length
     str_len = str.length()
     my_length = str_len + my_length
     new_string = self.new_string(my_length )
     i = 0
-    while( i < my_length)
+    while_plus( i - my_length)
       char = get(i)
       new_string.set(i , char)
       i = i + 1
     end
     i = 0
-    while( i < str_len)
+    while_plus( i - str_len)
       char = str.get(i)
       len = i + my_length
       new_string.set(  len , char)
@@ -32,18 +32,18 @@ class String
 
 end
 -- -- --
-s(:expressions,
+s(:statements,
   s(:class, :String,
     s(:derives, nil),
-    s(:expressions,
-      s(:function, :ref,
+    s(:statements,
+      s(:function, :String,
         s(:name, :new_string),
         s(:parameters,
-          s(:parameter, :int, :len)),
-        s(:expressions,
-          s(:assign,
+          s(:parameter, :Integer, :len)),
+        s(:statements,
+          s(:assignment,
             s(:name, :len),
-            s(:operator, "<<",
+            s(:operator_value, :<<,
               s(:name, :len),
               s(:int, 2))),
           s(:return,
@@ -54,41 +54,41 @@ s(:expressions,
               s(:receiver,
                 s(:name, :super))))),
         s(:receiver, :self)),
-      s(:function, :int,
+      s(:function, :Integer,
         s(:name, :length),
         s(:parameters),
-        s(:expressions,
+        s(:statements,
           s(:return,
             s(:field_access,
               s(:receiver,
                 s(:name, :self)),
               s(:field,
                 s(:name, :length)))))),
-      s(:function, :int,
+      s(:function, :Integer,
         s(:name, :plus),
         s(:parameters,
-          s(:parameter, :ref, :str)),
-        s(:expressions,
-          s(:assign,
+          s(:parameter, :String, :str)),
+        s(:statements,
+          s(:assignment,
             s(:name, :my_length),
             s(:field_access,
               s(:receiver,
                 s(:name, :self)),
               s(:field,
                 s(:name, :length)))),
-          s(:assign,
+          s(:assignment,
             s(:name, :str_len),
             s(:call,
               s(:name, :length),
               s(:arguments),
               s(:receiver,
                 s(:name, :str)))),
-          s(:assign,
+          s(:assignment,
             s(:name, :my_length),
-            s(:operator, "+",
+            s(:operator_value, :+,
               s(:name, :str_len),
               s(:name, :my_length))),
-          s(:assign,
+          s(:assignment,
             s(:name, :new_string),
             s(:call,
               s(:name, :new_string),
@@ -96,16 +96,16 @@ s(:expressions,
                 s(:name, :my_length)),
               s(:receiver,
                 s(:name, :self)))),
-          s(:assign,
+          s(:assignment,
             s(:name, :i),
             s(:int, 0)),
-          s(:while,
-            s(:condition,
-              s(:operator, "<",
+          s(:while_statement, :plus,
+            s(:conditional,
+              s(:operator_value, :-,
                 s(:name, :i),
                 s(:name, :my_length))),
-            s(:expressions,
-              s(:assign,
+            s(:statements,
+              s(:assignment,
                 s(:name, :char),
                 s(:call,
                   s(:name, :get),
@@ -118,21 +118,21 @@ s(:expressions,
                   s(:name, :char)),
                 s(:receiver,
                   s(:name, :new_string))),
-              s(:assign,
+              s(:assignment,
                 s(:name, :i),
-                s(:operator, "+",
+                s(:operator_value, :+,
                   s(:name, :i),
                   s(:int, 1))))),
-          s(:assign,
+          s(:assignment,
             s(:name, :i),
             s(:int, 0)),
-          s(:while,
-            s(:condition,
-              s(:operator, "<",
+          s(:while_statement, :plus,
+            s(:conditional,
+              s(:operator_value, :-,
                 s(:name, :i),
                 s(:name, :str_len))),
-            s(:expressions,
-              s(:assign,
+            s(:statements,
+              s(:assignment,
                 s(:name, :char),
                 s(:call,
                   s(:name, :get),
@@ -140,9 +140,9 @@ s(:expressions,
                     s(:name, :i)),
                   s(:receiver,
                     s(:name, :str)))),
-              s(:assign,
+              s(:assignment,
                 s(:name, :len),
-                s(:operator, "+",
+                s(:operator_value, :+,
                   s(:name, :i),
                   s(:name, :my_length))),
               s(:call,
@@ -152,9 +152,9 @@ s(:expressions,
                   s(:name, :char)),
                 s(:receiver,
                   s(:name, :new_string))),
-              s(:assign,
+              s(:assignment,
                 s(:name, :i),
-                s(:operator, "+",
+                s(:operator_value, :+,
                   s(:name, :i),
                   s(:int, 1))))),
           s(:return,

test/cases/class_definition/class_derived.tst

@@ -3,27 +3,21 @@ class Foo < Object
   int func()
     return self.fff
   end
-  ofthen(3 , var)
 end
 -- -- --
-s(:expressions,
+s(:statements,
   s(:class, :Foo,
     s(:derives, :Object),
-    s(:expressions,
-      s(:class_field, :int, :fff,
+    s(:statements,
+      s(:class_field, :Integer, :fff,
         s(:int, 3)),
-      s(:function, :int,
+      s(:function, :Integer,
         s(:name, :func),
         s(:parameters),
-        s(:expressions,
+        s(:statements,
           s(:return,
             s(:field_access,
               s(:receiver,
                 s(:name, :self)),
               s(:field,
-                s(:name, :fff)))))),
-      s(:call,
-        s(:name, :ofthen),
-        s(:arguments,
-          s(:int, 3),
-          s(:name, :var))))))
+                s(:name, :fff)))))))))

test/cases/class_definition/class_function.tst

@@ -1,30 +1,24 @@
 class Pifi
-  ofthen(3 , var)
 
-  int self.ofthen(int n , ref m)
+  int self.ofthen(int n , Object m)
     n = n + m.index
     return n
   end
 end
 -- -- --
-s(:expressions,
+s(:statements,
   s(:class, :Pifi,
     s(:derives, nil),
-    s(:expressions,
-      s(:call,
-        s(:name, :ofthen),
-        s(:arguments,
-          s(:int, 3),
-          s(:name, :var))),
-      s(:function, :int,
+    s(:statements,
+      s(:function, :Integer,
         s(:name, :ofthen),
         s(:parameters,
-          s(:parameter, :int, :n),
-          s(:parameter, :ref, :m)),
-        s(:expressions,
-          s(:assign,
+          s(:parameter, :Integer, :n),
+          s(:parameter, :Object, :m)),
+        s(:statements,
+          s(:assignment,
             s(:name, :n),
-            s(:operator, "+",
+            s(:operator_value, :+,
               s(:name, :n),
               s(:field_access,
                 s(:receiver,

test/cases/class_definition/class_if.tst

@@ -1,6 +1,6 @@
 class Ifi
   int ofthen(int n)
-    if(0)
+    if_zero(0)
       isit = 42
     else
       maybenot = 667
@@ -8,23 +8,23 @@ class Ifi
   end
 end
 -- -- --
-s(:expressions,
+s(:statements,
   s(:class, :Ifi,
     s(:derives, nil),
-    s(:expressions,
-      s(:function, :int,
+    s(:statements,
+      s(:function, :Integer,
         s(:name, :ofthen),
         s(:parameters,
-          s(:parameter, :int, :n)),
-        s(:expressions,
-          s(:if,
+          s(:parameter, :Integer, :n)),
+        s(:statements,
+          s(:if_statement, :zero,
             s(:condition,
               s(:int, 0)),
-            s(:if_true,
-              s(:assign,
+            s(:true_statements,
+              s(:assignment,
                 s(:name, :isit),
                 s(:int, 42))),
-            s(:if_false,
-              s(:assign,
+            s(:false_statements,
+              s(:assignment,
                 s(:name, :maybenot),
                 s(:int, 667)))))))))

test/cases/class_definition/class_method.tst

@@ -0,0 +1,16 @@
+class Foo < Object
+  int test()
+    return 43
+  end
+end
+-- -- --
+s(:statements,
+  s(:class, :Foo,
+    s(:derives, :Object),
+    s(:statements,
+      s(:function, :Integer,
+        s(:name, :test),
+        s(:parameters),
+        s(:statements,
+          s(:return,
+            s(:int, 43)))))))

test/cases/class_definition/class_ops.tst

@@ -0,0 +1,23 @@
+class Opers
+  int foo(int x)
+    int abba = 5
+    return abba + 5
+  end
+end
+-- -- --
+s(:statements,
+  s(:class, :Opers,
+    s(:derives, nil),
+    s(:statements,
+      s(:function, :Integer,
+        s(:name, :foo),
+        s(:parameters,
+          s(:parameter, :Integer, :x)),
+        s(:statements,
+          s(:field_def, :Integer,
+            s(:name, :abba),
+            s(:int, 5)),
+          s(:return,
+            s(:operator_value, :+,
+              s(:name, :abba),
+              s(:int, 5))))))))

test/cases/class_definition/simplest_class.tst

@@ -0,0 +1,9 @@
+class Foo
+  field int x
+end
+-- -- --
+s(:statements,
+  s(:class, :Foo,
+    s(:derives, nil),
+    s(:statements,
+      s(:class_field, :Integer, :x))))

test/cases/compound/array_list.tst

@@ -1,6 +0,0 @@
-[42, foo]
--- -- --
-s(:expressions, 
-  s(:array, 
-    s(:int,  42), 
-    s(:name,  :foo)))

test/cases/compound/array_ops.tst

@@ -1,11 +0,0 @@
-[ 3 + 4 , foo(22) ]
--- -- --
-s(:expressions, 
-  s(:array, 
-    s(:operator,  "+", 
-      s(:int,  3), 
-      s(:int,  4)), 
-    s(:call, 
-      s(:name,  :foo), 
-      s(:arguments, 
-        s(:int,  22)))))

test/cases/compound/hash.tst

@@ -1,7 +0,0 @@
-{ foo => 33 }
--- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:int,  33))))

test/cases/compound/hash2.tst

@@ -1,7 +0,0 @@
-{ foo => true }
--- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:true))))

test/cases/compound/hash_list.tst

@@ -1,10 +0,0 @@
-{foo => 33 , bar => 42}
--- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:int,  33)), 
-    s(:assoc, 
-      s(:name,  :bar), 
-      s(:int,  42))))

test/cases/compound/one_array.tst

@@ -1,5 +0,0 @@
-[42]
--- -- --
-s(:expressions, 
-  s(:array, 
-    s(:int,  42)))

test/cases/conditional/if_else.tst

@@ -1,14 +0,0 @@
-if(0)
-  42
-else
-  667
-end
--- -- --
-s(:expressions,
-  s(:if,
-    s(:condition,
-      s(:int, 0)),
-    s(:if_true,
-      s(:int, 42)),
-    s(:if_false,
-      s(:int, 667))))

test/cases/conditional/if_else_expressions.tst

@@ -1,25 +0,0 @@
-if(3 > var)
-  Object.initialize(3)
-else
-  var.new(33)
-end
--- -- --
-s(:expressions,
-  s(:if,
-    s(:condition,
-      s(:operator,  ">",
-        s(:int,  3),
-        s(:name,  :var))),
-    s(:if_true,
-      s(:call,
-        s(:name,  :initialize),
-        s(:arguments,
-          s(:int,  3)),
-        s(:receiver,
-          s(:module,  "Object")))),
-    s(:if_false,   s(:call,
-  s(:name,  :new),
-  s(:arguments,
-    s(:int,  33)),
-  s(:receiver,
-    s(:name,  :var))))))

test/cases/conditional/if_end.tst

@@ -1,11 +0,0 @@
-if(0)
-  42
-end
--- -- --
-s(:expressions, 
-  s(:if, 
-    s(:condition, 
-      s(:int,  0)), 
-    s(:if_true, 
-      s(:int,  42)), 
-    s(:if_false,  nil)))

test/cases/conditional/if_end_expressions.tst

@@ -1,18 +0,0 @@
-if(3 > var)
-  Object.initialize(3)
-end
--- -- --
-s(:expressions, 
-  s(:if, 
-    s(:condition, 
-      s(:operator,  ">", 
-        s(:int,  3), 
-        s(:name,  :var))), 
-    s(:if_true, 
-      s(:call, 
-        s(:name,  :initialize), 
-        s(:arguments, 
-          s(:int,  3)), 
-        s(:receiver, 
-          s(:module,  "Object")))), 
-    s(:if_false,  nil)))

test/cases/expressions/assignment.tst

@@ -1,6 +0,0 @@
-a = 5
--- -- --
-s(:expressions, 
-  s(:assign, 
-    s(:name,  :a), 
-    s(:int,  5)))

test/cases/expressions/assignment_instance.tst

@@ -1,6 +0,0 @@
-a = 5
--- -- --
-s(:expressions, 
-  s(:assign, 
-    s(:name,  :a), 
-    s(:int,  5)))

test/cases/expressions/op_two_variable.tst

@@ -1,6 +0,0 @@
-a - b
--- -- --
-s(:expressions, 
-  s(:operator,  "-", 
-    s(:name,  :a), 
-    s(:name,  :b)))

test/cases/expressions/op_variable.tst

@@ -1,6 +0,0 @@
-a - 5
--- -- --
-s(:expressions, 
-  s(:operator,  "-", 
-    s(:name,  :a), 
-    s(:int,  5)))

test/cases/expressions/op_variable_string.tst

@@ -1,6 +0,0 @@
-a - "st"
--- -- --
-s(:expressions, 
-  s(:operator,  "-", 
-    s(:name,  :a), 
-    s(:string,  "st")))

test/cases/expressions/op_variable_true.tst

@@ -1,6 +0,0 @@
-a == true
--- -- --
-s(:expressions, 
-  s(:operator,  "==", 
-    s(:name,  :a), 
-    s(:true)))

test/cases/expressions/simple_devide.tst

@@ -1,6 +0,0 @@
-5 / 3
--- -- --
-s(:expressions, 
-  s(:operator,  "/", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/simple_greater.tst

@@ -1,6 +0,0 @@
-5 > 3
--- -- --
-s(:expressions, 
-  s(:operator,  ">", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/simple_minus.tst

@@ -1,6 +0,0 @@
-5 - 3
--- -- --
-s(:expressions, 
-  s(:operator,  "-", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/simple_multiply.tst

@@ -1,6 +0,0 @@
-5 * 3
--- -- --
-s(:expressions, 
-  s(:operator,  "*", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/simple_plus.tst

@@ -1,6 +0,0 @@
-5 + 3
--- -- --
-s(:expressions, 
-  s(:operator,  "+", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/simple_smaller.tst

@@ -1,6 +0,0 @@
-5 < 3
--- -- --
-s(:expressions, 
-  s(:operator,  "<", 
-    s(:int,  5), 
-    s(:int,  3)))

test/cases/expressions/two_different_ops.tst

@@ -1,8 +0,0 @@
-2 + 3 * 4
--- -- --
-s(:expressions, 
-  s(:operator,  "+", 
-    s(:int,  2), 
-    s(:operator,  "*", 
-      s(:int,  3), 
-      s(:int,  4))))

test/cases/expressions/two_different_ops_order.tst

@@ -1,8 +0,0 @@
-2 * 3 + 4
--- -- --
-s(:expressions, 
-  s(:operator,  "+", 
-    s(:operator,  "*", 
-      s(:int,  2), 
-      s(:int,  3)), 
-    s(:int,  4)))

test/cases/expressions/two_same_ops.tst

@@ -1,8 +0,0 @@
-2 + 3 + 4
--- -- --
-s(:expressions, 
-  s(:operator,  "+", 
-    s(:operator,  "+", 
-      s(:int,  2), 
-      s(:int,  3)), 
-    s(:int,  4)))

test/cases/field_access/field.tst

@@ -0,0 +1,7 @@
+foo.bar
+-- -- --
+s(:field_access,
+  s(:receiver,
+    s(:name, :foo)),
+  s(:field,
+    s(:name, :bar)))

test/cases/function_definition/class_function.tst

@@ -1,12 +1,13 @@
-int self.length( ref x )
-  length
+int self.length( Object x )
+  return 5
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :length),
     s(:parameters,
-      s(:parameter, :ref, :x)),
-    s(:expressions,
-      s(:name, :length)),
+      s(:parameter, :Object, :x)),
+    s(:statements,
+      s(:return,
+        s(:int, 5))),
     s(:receiver, :self)))

test/cases/function_definition/function_big_while.tst

@@ -1,7 +1,7 @@
 int fibonaccit(int n)
   a = 0
   b = 1
-  while( n > 1 )
+  while_positive( n  )
     tmp = a
     a = b
     b = tmp + b
@@ -10,41 +10,39 @@ int fibonaccit(int n)
   end
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :fibonaccit),
     s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:assign,
+      s(:parameter, :Integer, :n)),
+    s(:statements,
+      s(:assignment,
         s(:name, :a),
         s(:int, 0)),
-      s(:assign,
+      s(:assignment,
         s(:name, :b),
         s(:int, 1)),
-      s(:while,
-        s(:condition,
-          s(:operator, ">",
-            s(:name, :n),
-            s(:int, 1))),
-        s(:expressions,
-          s(:assign,
+      s(:while_statement, :positive,
+        s(:conditional,
+          s(:name, :n)),
+        s(:statements,
+          s(:assignment,
             s(:name, :tmp),
             s(:name, :a)),
-          s(:assign,
+          s(:assignment,
             s(:name, :a),
             s(:name, :b)),
-          s(:assign,
+          s(:assignment,
             s(:name, :b),
-            s(:operator, "+",
+            s(:operator_value, :+,
               s(:name, :tmp),
               s(:name, :b))),
           s(:call,
             s(:name, :puts),
             s(:arguments,
               s(:name, :b))),
-          s(:assign,
+          s(:assignment,
             s(:name, :n),
-            s(:operator, "-",
+            s(:operator_value, :-,
               s(:name, :n),
               s(:int, 1))))))))

test/cases/function_definition/function_foo2.tst

@@ -2,21 +2,15 @@ int foo(int x)
   int a = 5
   return a
 end
-3.foo( 4 )
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :foo),
     s(:parameters,
-      s(:parameter, :int, :x)),
-    s(:expressions,
-      s(:field_def, :int, :a,
+      s(:parameter, :Integer, :x)),
+    s(:statements,
+      s(:field_def, :Integer,
+        s(:name, :a),
         s(:int, 5)),
       s(:return,
-        s(:name, :a)))),
-  s(:call,
-    s(:name, :foo),
-    s(:arguments,
-      s(:int, 4)),
-    s(:receiver,
-      s(:int, 3))))
+        s(:name, :a)))))

test/cases/function_definition/function_if.tst

@@ -1,25 +1,25 @@
-ref ofthen(int n)
-  if(0)
+int ofthen(int n)
+  if_plus(0)
     isit = 42
   else
     maybenot = 667
   end
 end
 -- -- --
-s(:expressions,
-  s(:function, :ref,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :ofthen),
     s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:if,
+      s(:parameter, :Integer, :n)),
+    s(:statements,
+      s(:if_statement, :plus,
         s(:condition,
           s(:int, 0)),
-        s(:if_true,
-          s(:assign,
+        s(:true_statements,
+          s(:assignment,
             s(:name, :isit),
             s(:int, 42))),
-        s(:if_false,
-          s(:assign,
+        s(:false_statements,
+          s(:assignment,
             s(:name, :maybenot),
             s(:int, 667)))))))

test/cases/function_definition/function_no_arg.tst

@@ -1,10 +1,11 @@
 int foo()
-  5
+  return 5
 end
 -- -- --
-s(:expressions, 
-  s(:function,  :int, 
+s(:statements,
+  s(:function, :Integer,
     s(:name, :foo),
     s(:parameters),
-    s(:expressions, 
-      s(:int,  5))))
+    s(:statements,
+      s(:return,
+        s(:int, 5)))))

test/cases/function_definition/function_ops.tst

@@ -1,16 +1,19 @@
 int foo(int x)
  int abba = 5
- abba + 5
+ abba = abba + 5
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :foo),
     s(:parameters,
-      s(:parameter, :int, :x)),
-    s(:expressions,
-      s(:field_def, :int, :abba,
-        s(:int, 5)),
-      s(:operator, "+",
+      s(:parameter, :Integer, :x)),
+    s(:statements,
+      s(:field_def, :Integer,
         s(:name, :abba),
-        s(:int, 5)))))
+        s(:int, 5)),
+      s(:assignment,
+        s(:name, :abba),
+        s(:operator_value, :+,
+          s(:name, :abba),
+          s(:int, 5))))))

test/cases/function_definition/function_return.tst

@@ -1,15 +1,16 @@
-int retvar(ref n)
+int retvar(Object n)
   int i = n.layout
   return i
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :retvar),
     s(:parameters,
-      s(:parameter, :ref, :n)),
-    s(:expressions,
-      s(:field_def, :int, :i,
+      s(:parameter, :Object, :n)),
+    s(:statements,
+      s(:field_def, :Integer,
+        s(:name, :i),
         s(:field_access,
           s(:receiver,
             s(:name, :n)),

test/cases/function_definition/function_return_if.tst

@@ -1,25 +1,25 @@
 int retvar(int n)
-  if( n > 5)
+  if_positive( n - 5)
     return 10
   else
     return 20
   end
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :retvar),
     s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:if,
+      s(:parameter, :Integer, :n)),
+    s(:statements,
+      s(:if_statement, :positive,
         s(:condition,
-          s(:operator, ">",
+          s(:operator_value, :-,
             s(:name, :n),
             s(:int, 5))),
-        s(:if_true,
+        s(:true_statements,
           s(:return,
             s(:int, 10))),
-        s(:if_false,
+        s(:false_statements,
           s(:return,
             s(:int, 20)))))))

test/cases/function_definition/function_return_while.tst

@@ -1,25 +1,25 @@
 int retvar(int n )
-  while( n > 5)
+  while_positive( n - 5)
     n = n + 1
     return n
   end
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :retvar),
     s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:while,
-        s(:condition,
-          s(:operator, ">",
+      s(:parameter, :Integer, :n)),
+    s(:statements,
+      s(:while_statement, :positive,
+        s(:conditional,
+          s(:operator_value, :-,
             s(:name, :n),
             s(:int, 5))),
-        s(:expressions,
-          s(:assign,
+        s(:statements,
+          s(:assignment,
             s(:name, :n),
-            s(:operator, "+",
+            s(:operator_value, :+,
               s(:name, :n),
               s(:int, 1))),
           s(:return,

test/cases/function_definition/function_two_args.tst

@@ -1,12 +1,13 @@
-int foo( int n ,ref  m)
-  n
+int foo( int n ,String  m)
+  return n
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :foo),
     s(:parameters,
-      s(:parameter, :int, :n),
-      s(:parameter, :ref, :m)),
-    s(:expressions,
-      s(:name, :n))))
+      s(:parameter, :Integer, :n),
+      s(:parameter, :String, :m)),
+    s(:statements,
+      s(:return,
+        s(:name, :n)))))

test/cases/function_definition/function_while.tst

@@ -1,29 +1,29 @@
-ref fibonaccit(int n)
+Biggie fibonaccit(int n)
   a = 0
-  while(n)
+  while_ok(n)
     some = 43
     other = some * 4
   end
 end
 -- -- --
-s(:expressions,
-  s(:function, :ref,
+s(:statements,
+  s(:function, :Biggie,
     s(:name, :fibonaccit),
     s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:assign,
+      s(:parameter, :Integer, :n)),
+    s(:statements,
+      s(:assignment,
         s(:name, :a),
         s(:int, 0)),
-      s(:while,
-        s(:condition,
+      s(:while_statement, :ok,
+        s(:conditional,
           s(:name, :n)),
-        s(:expressions,
-          s(:assign,
+        s(:statements,
+          s(:assignment,
             s(:name, :some),
             s(:int, 43)),
-          s(:assign,
+          s(:assignment,
             s(:name, :other),
-            s(:operator, "*",
+            s(:operator_value, :*,
               s(:name, :some),
               s(:int, 4))))))))

test/cases/function_definition/simplest_function.tst

@@ -1,11 +1,13 @@
-int foo(ref x)
-  5
+int foo(Class x)
+  a = 1
 end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:function, :Integer,
     s(:name, :foo),
     s(:parameters,
-      s(:parameter, :ref, :x)),
-    s(:expressions,
-      s(:int, 5))))
+      s(:parameter, :Class, :x)),
+    s(:statements,
+      s(:assignment,
+        s(:name, :a),
+        s(:int, 1)))))

test/cases/if_statement/if_else.tst

@@ -0,0 +1,17 @@
+if_true(0)
+  fourty = 10
+else
+  twenty = 5
+end
+-- -- --
+s(:if_statement, :true,
+  s(:condition,
+    s(:int, 0)),
+  s(:true_statements,
+    s(:assignment,
+      s(:name, :fourty),
+      s(:int, 10))),
+  s(:false_statements,
+    s(:assignment,
+      s(:name, :twenty),
+      s(:int, 5))))

test/cases/if_statement/if_else_expressions.tst

@@ -0,0 +1,25 @@
+if_yes(3 > var)
+  Object.initialize(3)
+else
+  var.new(33)
+end
+-- -- --
+s(:if_statement, :yes,
+  s(:condition,
+    s(:operator_value, :>,
+      s(:int, 3),
+      s(:name, :var))),
+  s(:true_statements,
+    s(:call,
+      s(:name, :initialize),
+      s(:arguments,
+        s(:int, 3)),
+      s(:receiver,
+        s(:class_name, :Object)))),
+  s(:false_statements,
+    s(:call,
+      s(:name, :new),
+      s(:arguments,
+        s(:int, 33)),
+      s(:receiver,
+        s(:name, :var)))))

test/cases/module_def/module_assign_var.tst

@@ -1,11 +0,0 @@
-module Opers
-  field int abba = 5
-  field ref baab
-end
--- -- --
-s(:expressions,
-  s(:module, :Opers,
-    s(:expressions,
-      s(:class_field, :int, :abba,
-        s(:int, 5)),
-      s(:class_field, :ref, :baab))))

test/cases/module_def/module_class.tst

@@ -1,17 +0,0 @@
-module Foo
-  class Bar
-    funcall(3 , var)
-  end
-end
--- -- --
-s(:expressions,
-  s(:module, :Foo,
-    s(:expressions,
-      s(:class, :Bar,
-        s(:derives, nil),
-        s(:expressions,
-          s(:call,
-            s(:name, :funcall),
-            s(:arguments,
-              s(:int, 3),
-              s(:name, :var))))))))

test/cases/module_def/module_function.tst

@@ -1,23 +0,0 @@
-module Soho
-  ofthen(3 , var)
-  int ofthen(int n,ref m )
-    return 44
-  end
-end
--- -- --
-s(:expressions,
-  s(:module, :Soho,
-    s(:expressions,
-      s(:call,
-        s(:name, :ofthen),
-        s(:arguments,
-          s(:int, 3),
-          s(:name, :var))),
-      s(:function, :int,
-        s(:name, :ofthen),
-        s(:parameters,
-          s(:parameter, :int, :n),
-          s(:parameter, :ref, :m)),
-        s(:expressions,
-          s(:return,
-            s(:int, 44)))))))

test/cases/module_def/module_if.tst

@@ -1,29 +0,0 @@
-module Foo
-  ref ofthen(int n)
-    if(0)
-      isit = 42
-    else
-      maybenot = 667
-    end
-  end
-end
--- -- --
-s(:expressions,
-  s(:module, :Foo,
-    s(:expressions,
-      s(:function, :ref,
-        s(:name, :ofthen),
-        s(:parameters,
-          s(:parameter, :int, :n)),
-        s(:expressions,
-          s(:if,
-            s(:condition,
-              s(:int, 0)),
-            s(:if_true,
-              s(:assign,
-                s(:name, :isit),
-                s(:int, 42))),
-            s(:if_false,
-              s(:assign,
-                s(:name, :maybenot),
-                s(:int, 667)))))))))

test/cases/module_def/module_ops.tst

@@ -1,25 +0,0 @@
-module Opers
-  int foo(int x)
-    int abba = self.index
-    return abba + 5
-  end
-end
--- -- --
-s(:expressions,
-  s(:module, :Opers,
-    s(:expressions,
-      s(:function, :int,
-        s(:name, :foo),
-        s(:parameters,
-          s(:parameter, :int, :x)),
-        s(:expressions,
-          s(:field_def, :int, :abba,
-            s(:field_access,
-              s(:receiver,
-                s(:name, :self)),
-              s(:field,
-                s(:name, :index)))),
-          s(:return,
-            s(:operator, "+",
-              s(:name, :abba),
-              s(:int, 5))))))))

test/cases/module_def/simplest_module.tst

@@ -1,8 +0,0 @@
-module Simple
-  5
-end
--- -- --
-s(:expressions,
-  s(:module, :Simple,
-    s(:expressions,
-      s(:int, 5))))

test/cases/operator_value/field_var.tst

@@ -0,0 +1,9 @@
+foo.bar - gumbar
+-- -- --
+s(:operator_value, :-,
+  s(:field_access,
+    s(:receiver,
+      s(:name, :foo)),
+    s(:field,
+      s(:name, :bar))),
+  s(:name, :gumbar))

test/cases/operator_value/int_field.tst

@@ -0,0 +1,9 @@
+5 % foo.bar
+-- -- --
+s(:operator_value, :%,
+  s(:int, 5),
+  s(:field_access,
+    s(:receiver,
+      s(:name, :foo)),
+    s(:field,
+      s(:name, :bar))))

test/cases/operator_value/int_var.tst

@@ -0,0 +1,5 @@
+3 > var
+-- -- --
+s(:operator_value, :>,
+  s(:int, 3),
+  s(:name, :var))

test/cases/operator_value/ints.tst

@@ -0,0 +1,5 @@
+5 + 7
+-- -- --
+s(:operator_value, :+,
+  s(:int, 5),
+  s(:int, 7))

test/cases/operator_value/op_two_variable.tst

@@ -0,0 +1,5 @@
+a - b
+-- -- --
+s(:operator_value, :-,
+  s(:name, :a),
+  s(:name, :b))

test/cases/operator_value/op_variable.tst

@@ -0,0 +1,5 @@
+a - 5
+-- -- --
+s(:operator_value, :-,
+  s(:name, :a),
+  s(:int, 5))

test/cases/operator_value/op_variable_string.tst

@@ -0,0 +1,5 @@
+a - "st"
+-- -- --
+s(:operator_value, :-,
+  s(:name, :a),
+  s(:string, "st"))

test/cases/operator_value/op_variable_true.tst

@@ -0,0 +1,5 @@
+a == true
+-- -- --
+s(:operator_value, :==,
+  s(:name, :a),
+  s(:true))

test/cases/operator_value/simple_devide.tst

@@ -0,0 +1,5 @@
+5 / 3
+-- -- --
+s(:operator_value, :/,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/simple_greater.tst

@@ -0,0 +1,5 @@
+5 > 3
+-- -- --
+s(:operator_value, :>,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/simple_minus.tst

@@ -0,0 +1,5 @@
+5 - 3
+-- -- --
+s(:operator_value, :-,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/simple_multiply.tst

@@ -0,0 +1,5 @@
+5 * 3
+-- -- --
+s(:operator_value, :*,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/simple_plus.tst

@@ -0,0 +1,5 @@
+5 + 3
+-- -- --
+s(:operator_value, :+,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/simple_smaller.tst

@@ -0,0 +1,5 @@
+5 < 3
+-- -- --
+s(:operator_value, :<,
+  s(:int, 5),
+  s(:int, 3))

test/cases/operator_value/var_field.tst

@@ -0,0 +1,9 @@
+gumbar & foo.bar
+-- -- --
+s(:operator_value, :&,
+  s(:name, :gumbar),
+  s(:field_access,
+    s(:receiver,
+      s(:name, :foo)),
+    s(:field,
+      s(:name, :bar))))

test/cases/operator_value/var_var.tst

@@ -0,0 +1,5 @@
+bar - gumbar
+-- -- --
+s(:operator_value, :-,
+  s(:name, :bar),
+  s(:name, :gumbar))

test/cases/return/return_int.tst

@@ -1,5 +0,0 @@
-return 42
--- -- --
-s(:expressions, 
-  s(:return, 
-    s(:int,  42)))

test/cases/return/return_string.tst

@@ -1,5 +0,0 @@
-return "hello"
--- -- --
-s(:expressions, 
-  s(:return, 
-    s(:string,  "hello")))

test/cases/return/return_variable.tst

@@ -1,5 +0,0 @@
-return foo
--- -- --
-s(:expressions, 
-  s(:return, 
-    s(:name,  :foo)))

test/cases/return_statement/return_int.tst

@@ -0,0 +1,4 @@
+return 42
+-- -- --
+s(:return,
+  s(:int, 42))

test/cases/return_statement/return_string.tst

@@ -0,0 +1,4 @@
+return "hello"
+-- -- --
+s(:return,
+  s(:string, "hello"))

test/cases/return_statement/return_variable.tst

@@ -0,0 +1,4 @@
+return foo
+-- -- --
+s(:return,
+  s(:name, :foo))

test/cases/root/class_method.tst

@@ -1,15 +1,21 @@
 class FooBo
+  int main()
     Bar.call(35)
+  end
 end
 
 -- -- --
-s(:expressions,
+s(:statements,
   s(:class, :FooBo,
     s(:derives, nil),
-    s(:expressions,
+    s(:statements,
+      s(:function, :Integer,
+        s(:name, :main),
+        s(:parameters),
+        s(:statements,
           s(:call,
             s(:name, :call),
             s(:arguments,
               s(:int, 35)),
             s(:receiver,
-          s(:module, "Bar"))))))
+              s(:class_name, :Bar))))))))

test/cases/root/double_root.tst

@@ -1,19 +1,34 @@
-int foo(ref x)
+class Object
+  int foo(String x)
     a = 5
+  end
+end
+class Other < Object
+  int foo()
+    foo( 3 )
+  end
 end
-
-foo( 3 )
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:class, :Object,
+    s(:derives, nil),
+    s(:statements,
+      s(:function, :Integer,
         s(:name, :foo),
         s(:parameters,
-      s(:parameter, :ref, :x)),
-    s(:expressions,
-      s(:assign,
+          s(:parameter, :String, :x)),
+        s(:statements,
+          s(:assignment,
             s(:name, :a),
-        s(:int, 5)))),
+            s(:int, 5)))))),
+  s(:class, :Other,
+    s(:derives, :Object),
+    s(:statements,
+      s(:function, :Integer,
+        s(:name, :foo),
+        s(:parameters),
+        s(:statements,
           s(:call,
             s(:name, :foo),
             s(:arguments,
-      s(:int, 3))))
+              s(:int, 3))))))))

test/cases/root/fibo1.tst

@@ -1,56 +1,65 @@
-int fibonaccit(int n)
+class Object
+  int fibonaccit(int n)
     a = 0
     b = 1
-  while( n > 1 )
+    while_plus( n )
       tmp = a
       a = b
       b = tmp + b
       puts(b)
       n = n - 1
     end
-end
+  end
 
-fibonaccit( 10 )
+  int main()
+    fibonaccit( 10 )
+  end
+end
 -- -- --
-s(:expressions,
-  s(:function, :int,
+s(:statements,
+  s(:class, :Object,
+    s(:derives, nil),
+    s(:statements,
+      s(:function, :Integer,
         s(:name, :fibonaccit),
         s(:parameters,
-      s(:parameter, :int, :n)),
-    s(:expressions,
-      s(:assign,
+          s(:parameter, :Integer, :n)),
+        s(:statements,
+          s(:assignment,
             s(:name, :a),
             s(:int, 0)),
-      s(:assign,
+          s(:assignment,
             s(:name, :b),
             s(:int, 1)),
-      s(:while,
-        s(:condition,
-          s(:operator, ">",
-            s(:name, :n),
-            s(:int, 1))),
-        s(:expressions,
-          s(:assign,
+          s(:while_statement, :plus,
+            s(:conditional,
+              s(:name, :n)),
+            s(:statements,
+              s(:assignment,
                 s(:name, :tmp),
                 s(:name, :a)),
-          s(:assign,
+              s(:assignment,
                 s(:name, :a),
                 s(:name, :b)),
-          s(:assign,
+              s(:assignment,
                 s(:name, :b),
-            s(:operator, "+",
+                s(:operator_value, :+,
                   s(:name, :tmp),
                   s(:name, :b))),
               s(:call,
                 s(:name, :puts),
                 s(:arguments,
                   s(:name, :b))),
-          s(:assign,
+              s(:assignment,
                 s(:name, :n),
-            s(:operator, "-",
+                s(:operator_value, :-,
                   s(:name, :n),
                   s(:int, 1))))))),
+      s(:function, :Integer,
+        s(:name, :main),
+        s(:parameters),
+        s(:statements,
           s(:call,
             s(:name, :fibonaccit),
             s(:arguments,
-      s(:int, 10))))
+              s(:int, 10))))))))

test/cases/root/module_assignment.tst

@@ -1,20 +0,0 @@
-module Fibo
-  a = 5 + foo
-  bar( b , a , r)
-end
-
--- -- --
-s(:expressions,
-  s(:module, :Fibo,
-    s(:expressions,
-      s(:assign,
-        s(:name, :a),
-        s(:operator, "+",
-          s(:int, 5),
-          s(:name, :foo))),
-      s(:call,
-        s(:name, :bar),
-        s(:arguments,
-          s(:name, :b),
-          s(:name, :a),
-          s(:name, :r))))))

test/cases/root/module_method.tst

@@ -1,26 +0,0 @@
-module Fibo
-  int fibonaccit(int n)
-    int a = 0
-    return a
-  end
-
-  fibonaccit( 10 )
-end
-
--- -- --
-s(:expressions,
-  s(:module, :Fibo,
-    s(:expressions,
-      s(:function, :int,
-        s(:name, :fibonaccit),
-        s(:parameters,
-          s(:parameter, :int, :n)),
-        s(:expressions,
-          s(:field_def, :int, :a,
-            s(:int, 0)),
-          s(:return,
-            s(:name, :a)))),
-      s(:call,
-        s(:name, :fibonaccit),
-        s(:arguments,
-          s(:int, 10))))))

test/cases/root/root_module_class.tst

@@ -1,18 +0,0 @@
-module FooBo
-  class Bar
-    a = 5 + foo
-  end
-end
-
--- -- --
-s(:expressions,
-  s(:module, :FooBo,
-    s(:expressions,
-      s(:class, :Bar,
-        s(:derives, nil),
-        s(:expressions,
-          s(:assign,
-            s(:name, :a),
-            s(:operator, "+",
-              s(:int, 5),
-              s(:name, :foo))))))))

test/cases/small_conditional/if_end.tst

@@ -0,0 +1,12 @@
+if_zero(0)
+  four = 42
+end
+-- -- --
+s(:if_statement, :zero,
+  s(:condition,
+    s(:int, 0)),
+  s(:true_statements,
+    s(:assignment,
+      s(:name, :four),
+      s(:int, 42))),
+  s(:false_statements, nil))

test/cases/small_conditional/if_end_expressions.tst

@@ -0,0 +1,17 @@
+if_overflow(3 + 100000 )
+  Object.initialize(3)
+end
+-- -- --
+s(:if_statement, :overflow,
+  s(:condition,
+    s(:operator_value, :+,
+      s(:int, 3),
+      s(:int, 100000))),
+  s(:true_statements,
+    s(:call,
+      s(:name, :initialize),
+      s(:arguments,
+        s(:int, 3)),
+      s(:receiver,
+        s(:class_name, :Object)))),
+  s(:false_statements, nil))

test/cases/while/big_while.tst

@@ -1,35 +0,0 @@
-while( n > 1)
-  tmp = a
-  a = b
-  b = tmp + b
-  puts(b)
-  n = n - 1
-end
--- -- --
-s(:expressions, 
-  s(:while, 
-    s(:condition, 
-      s(:operator,  ">", 
-        s(:name,  :n), 
-        s(:int,  1))), 
-    s(:expressions, 
-      s(:assign, 
-        s(:name,  :tmp), 
-        s(:name,  :a)), 
-      s(:assign, 
-        s(:name,  :a), 
-        s(:name,  :b)), 
-      s(:assign, 
-        s(:name,  :b), 
-        s(:operator,  "+", 
-          s(:name,  :tmp), 
-          s(:name,  :b))), 
-      s(:call, 
-        s(:name,  :puts), 
-        s(:arguments, 
-          s(:name,  :b))), 
-      s(:assign, 
-        s(:name,  :n), 
-        s(:operator,  "-", 
-          s(:name,  :n), 
-          s(:int,  1))))))

test/cases/while/while.tst

@@ -1,17 +0,0 @@
-while(1)
-  tmp = a
-  puts(b)
-end
--- -- --
-s(:expressions, 
-  s(:while, 
-    s(:condition, 
-      s(:int,  1)), 
-    s(:expressions, 
-      s(:assign, 
-        s(:name,  :tmp), 
-        s(:name,  :a)), 
-      s(:call, 
-        s(:name,  :puts), 
-        s(:arguments, 
-          s(:name,  :b))))))

test/cases/while/while_method.tst

@@ -1,23 +0,0 @@
-while(1)
-  tmp = String.new()
-  tmp.puts(i)
-end
--- -- --
-s(:expressions, 
-  s(:while, 
-    s(:condition, 
-      s(:int,  1)), 
-    s(:expressions, 
-      s(:assign, 
-        s(:name,  :tmp), 
-        s(:call, 
-          s(:name,  :new), 
-          s(:arguments), 
-          s(:receiver, 
-            s(:module,  "String")))), 
-      s(:call, 
-        s(:name,  :puts), 
-        s(:arguments, 
-          s(:name,  :i)), 
-        s(:receiver, 
-          s(:name,  :tmp))))))

test/cases/while_statement/big_while.tst

@@ -0,0 +1,34 @@
+while_allgood( n > 1)
+  tmp = a
+  a = b
+  b = tmp + b
+  puts(b)
+  n = n - 1
+end
+-- -- --
+s(:while_statement, :allgood,
+  s(:conditional,
+    s(:operator_value, :>,
+      s(:name, :n),
+      s(:int, 1))),
+  s(:statements,
+    s(:assignment,
+      s(:name, :tmp),
+      s(:name, :a)),
+    s(:assignment,
+      s(:name, :a),
+      s(:name, :b)),
+    s(:assignment,
+      s(:name, :b),
+      s(:operator_value, :+,
+        s(:name, :tmp),
+        s(:name, :b))),
+    s(:call,
+      s(:name, :puts),
+      s(:arguments,
+        s(:name, :b))),
+    s(:assignment,
+      s(:name, :n),
+      s(:operator_value, :-,
+        s(:name, :n),
+        s(:int, 1)))))

test/cases/while_statement/while.tst

@@ -0,0 +1,16 @@
+while_false(1)
+  tmp = a
+  puts(b)
+end
+-- -- --
+s(:while_statement, :false,
+  s(:conditional,
+    s(:int, 1)),
+  s(:statements,
+    s(:assignment,
+      s(:name, :tmp),
+      s(:name, :a)),
+    s(:call,
+      s(:name, :puts),
+      s(:arguments,
+        s(:name, :b)))))

test/cases/while_statement/while_method.tst

@@ -0,0 +1,22 @@
+while_true(1)
+  tmp = String.new()
+  tmp.puts(i)
+end
+-- -- --
+s(:while_statement, :true,
+  s(:conditional,
+    s(:int, 1)),
+  s(:statements,
+    s(:assignment,
+      s(:name, :tmp),
+      s(:call,
+        s(:name, :new),
+        s(:arguments),
+        s(:receiver,
+          s(:class_name, :String)))),
+    s(:call,
+      s(:name, :puts),
+      s(:arguments,
+        s(:name, :i)),
+      s(:receiver,
+        s(:name, :tmp)))))

test/parser_helper.rb

@@ -8,7 +8,7 @@ module ParserHelper
 
   def self.included(base)
     base.send :include, InstanceMethods  #provides helpers and setup
-    base.send :include, AST::if_true
+    base.send :include, AST::true_statements
     base.send :extend, ClassMethods   #gets the method creation going
   end
 

test/setup.rb

@@ -13,7 +13,7 @@ if ENV['CODECLIMATE_REPO_TOKEN']
   CodeClimate::TestReporter.start
 end
 
-require 'salama-reader'
+require 'soml-parser'
 
 require "minitest"
 require "minitest/autorun"

test/test_all.rb

@@ -10,7 +10,13 @@ class TestAll <  MiniTest::Test
   def check_file file
     inn , out = File.new(file).read.split(SEPERATOR)
     sexp = eval(out)
-    syntax    = Parser::Salama.new.parse_with_debug(inn)
+    begin
+      syntax    = Parser::Salama.new.parse(inn)
+    rescue
+      root = file.split("/")[2]
+      parser = Parser::Salama.new.send root.to_sym
+      syntax    = parser.parse_with_debug(inn )
+    end
     result = Parser::Transform.new.apply(syntax)
     equal = (sexp == result)
     unless equal
@@ -28,6 +34,12 @@ class TestAll <  MiniTest::Test
       end
     end
     assert_equal sexp ,  result
+    check_transform sexp
+  end
+
+  def check_transform sexp
+    code = Soml.ast_to_code sexp
+    assert code.is_a?(Soml::Code) , "Returned #{code}"
   end
 
   # this creates test methods dynamically. For each test_* method we create

to_code.rb

@@ -0,0 +1,36 @@
+require 'rubygems'
+require 'bundler'
+
+Bundler.setup(:default, :development)
+
+require 'soml-parser'
+require "parslet/convenience"
+require "ast/sexp"
+require "pp"
+
+class Converter
+  include AST::Sexp
+  SEPERATOR = "-- -- --"
+
+  def to_ast
+    file = ARGV[0]
+    inn = File.new(file).read.split(SEPERATOR).first
+    begin
+      syntax  = Parser::Salama.new.parse(inn)
+    rescue
+      root    = file.split("/").last.split(".").first
+      parser  = Parser::Salama.new.send root.to_sym
+      syntax  = parser.parse_with_debug(inn )
+    end
+    result = Parser::Transform.new.apply(syntax)
+
+    out_file = File.new(file, "w")
+    out_file.puts inn
+    out_file.puts SEPERATOR
+    out_file.puts result.inspect
+    out_file.close
+  end
+
+end
+
+Converter.new.to_ast