{
	use util;
}

idl: cpp_prefix(s?) module_header interface 
   { [$item{module_header}, $item{interface}] }
   | <error>

module_header: '[' <commit> module_param(s /,/) ']' 
          {{ 
              "TYPE" => "MODULEHEADER", 
              "DATA" => util::FlattenHash($item[3])
          }}
	      | <error?>

module_param: identifier '(' text ')'
          {{ "$item{identifier}" => "$item{text}" }}
          | <error>

interface: 'interface' <commit> identifier '{' definition(s?) '}' 
          {{
                       "TYPE" => "INTERFACE", 
		       "NAME" => $item{identifier},
		       "DATA" => $item[5]
          }}
          | <error?>

definition : typedef { $item[1] }
             | function { $item[1] }

typedef : 'typedef' <commit> type identifier array_len(?) ';' 
        {{
                     "TYPE" => "TYPEDEF", 
		     "NAME" => $item{identifier},
		     "DATA" => $item{type},
		     "ARRAY_LEN" => $item[5][0]
        }}
        | <error?>

struct: 'struct' <commit> '{' element_list1(?) '}' 
        {{
                     "TYPE" => "STRUCT", 
		     "ELEMENTS" => util::FlattenArray2($item[4])
        }}
      | <error?>

union: property_list(s?) 'union' <commit> '{' union_element(s?) '}' 
	 {{
		"TYPE" => "UNION",
		"PROPERTIES" => util::FlattenArray($item[1]),
		"DATA" => $item[5]
	 }}
	 | <error?>

union_element: '[case(' constant ')]' base_element ';'
	 {{
		"TYPE" => "UNION_ELEMENT",
		"CASE" => $item{constant},
		"DATA" => $item{base_element}
	 }}
         | 'case(' constant ')' base_element ';'
	 {{
		"TYPE" => "UNION_ELEMENT",
		"CASE" => $item{constant},
		"DATA" => $item{base_element}
	 }}

base_element: property_list(s?) type pointer(s?) identifier array_len(?) 
	      {{
			   "NAME" => $item{identifier},
			   "TYPE" => $item{type},
			   "PROPERTIES" => util::FlattenArray($item[1]),
			   "POINTERS" => $#{$item[3]}==-1?undef:$#{$item[3]}+1,
			   "ARRAY_LEN" => $item[5][0]
              }}
            | <error>

array_len: '[' <commit> constant ']' 
         { $item{constant} }
         | <error?>

element_list1: base_element(s? /;/) ';' 
	       { $item[1] }

element_list2: 'void' 
         | base_element(s? /,/)
         { $item[1] }

pointer: '*'

property_list: '[' <commit> property(s /,/) ']' 
	      { $item[3] }
             | <error?>

property: 'unique' 
	  | 'in,out'
	  | 'in'
	  | 'out'
	  | 'ref'
	  | 'struct_len'
	  | 'context_handle'
	  | 'string'
	  | 'byte_count_pointer' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
          | 'size_is' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
          | 'length_is' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
          | 'switch_is' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
          | 'switch_type' '(' type ')' {{ "$item[1]" => $item{type} }}

identifier: /[\w?]+/

expression: /[\w?\/+*-]+/

function : type identifier '(' <commit> element_list2 ');' 
	 {{
		"TYPE" => "FUNCTION",
		"NAME" => $item{identifier},
		"RETURN_TYPE" => $item{type},
		"DATA" => $item{element_list2}
	 }}
         | <error?>

type : 
       'unsigned' type { "$item[1] $item[2]" }
     | 'long'    { $item[1] }
     | 'string'  { $item[1] }
     | 'wchar_t' { $item[1] }
     | struct    { $item[1] }
     | union     { $item[1] }
     | identifier { $item[1] }
     | <error>

text: /[\w\s.?-]*/

constant: /-?\d+/

cpp_prefix: '#' /.*/