first version

(This used to be commit 14135ed6bbff54d7b493f9be7748c2ad7440a97b)

1 files changed, 135 insertions, 0 deletions

diff --git a/source4/build/pidl/idl.gram b/source4/build/pidl/idl.gram
new file mode 100644
index 0000000000..00b3952ba2
--- /dev/null
+++ b/source4/build/pidl/idl.gram
@@ -0,0 +1,135 @@
+{
+	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" => $item{array_len}[0]
+        }}
+        | <error?>
+
+struct: 'struct' <commit> '{' element_list1(?) '}' 
+        {{
+                     "TYPE" => "STRUCT", 
+		     "ELEMENTS" => util::FlattenArray($item{element_list1})
+        }}
+      | <error?>
+
+union: property_list(s?) 'union' <commit> '{' union_element(s?) '}' 
+	 {{
+		"TYPE" => "UNION",
+		"PROPERTIES" => util::FlattenArray($item[1]),
+		"DATA" => $item{union_element}
+	 }}
+	 | <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{pointer}}==-1?undef:$#{$item{pointer}}+1,
+			   "ARRAY_LEN" => $item{array_len}[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 /,/) ']' 
+	      { $item[3] }
+             | <error?>
+
+property: 'unique' 
+	  | 'in,out'
+	  | 'in'
+	  | 'out'
+	  | 'ref'
+	  | 'context_handle'
+	  | 'string'
+	  | 'byte_count_pointer' '(' expression ')' {{ "$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: '#' /.*/