change to citrus wip

lib/parser/salama.rb

@@ -1,38 +1,38 @@
-require_relative "basic_types"
-require_relative "compound_types"
-require_relative "tokens"
-require_relative "keywords"
-require_relative "control"
-require_relative "expression"
-require_relative "call_site"
-require_relative "function_definition"
-require_relative "module_definition"
-require_relative "operators"
+#require_relative "basic_types"
+#require_relative "compound_types"
+#require_relative "tokens"
+#require_relative "keywords"
+#require_relative "control"
+#require_relative "expression"
+#require_relative "call_site"
+#require_relative "function_definition"
+#require_relative "module_definition"
+#require_relative "operators"
+
+require 'ast/expression'
 
 module Parser
-  
+
   # obviously a work in progress !!
   # We "compose" the parser from bits, divide and hopefully conquer
-   
-  # a note about .maybe : .maybe is almost every respect the same as .repeat(0,1)
-  # so either 0, or 1, in other words maybe. Nice feature, but there are strings attached:
-  # a maybe removes the 0  a sequence (array) to a single (hash). Thus 2 transformations are needed
-  # More work than the prettiness is worth, so only use .maybe on something that does not need capturing
 
-  class Salama < Parslet::Parser
-    include BasicTypes
-    include CompoundTypes
-    include Tokens
-    include Keywords
-    include Control
-    include Expression
-    include CallSite
-    include FunctionDefinition
-    include Operators
-    include ModuleDef
+  Citrus.require "parser/basic"
+  Citrus.require "parser/keywords"
 
-    rule(:root_body)    {(module_definition | class_definition | function_definition | expression  | 
-                          operator_expression | call_site | basic_type | hash_constant | array_constant )}
-    rule(:root)         { root_body.repeat.as(:expression_list) }
-  end
+#  class Salama < Parslet::Parser
+#    include BasicTypes
+#    include CompoundTypes
+#    include Tokens
+#    include Keywords
+#    include Control
+#    include Expression
+#    include CallSite
+#    include FunctionDefinition
+#    include Operators
+#    include ModuleDef
+
+#    rule(:root_body)    {(module_definition | class_definition | function_definition | expression  |
+#                          operator_expression | call_site | basic_type | hash_constant | array_constant )}
+#    rule(:root)         { root_body.repeat.as(:expression_list) }
+#  end
 end

lib/salama-reader.rb

@@ -1,3 +1,3 @@
-require 'parslet'
+require 'citrus'
 require 'parser/salama'
-require 'parser/transform'
+#require 'parser/transform'

salama-reader.gemspec

@@ -13,6 +13,6 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
   s.summary = 'Ruby parser for the salama machine'
 
-  s.add_dependency 'parslet', '~> 1.7.0'
+  s.add_dependency 'citrus', '~> 3.0.3'
 
 end