projects/dil: trunk/src/dil/Parser.d comparison

Added code for parsing C function pointer declarations.

author	Aziz K?ksal <aziz.koeksal@gmail.com>
date	Tue, 25 Sep 2007 12:15:49 +0200
parents	e242f0ee2d27
children	9c69615a4876

comparison

equal deleted inserted replaced

-:3aa00474b381
+:38fccd2640eb
 token.type == T.Identifier &&
 peekNext() == T.Assign)
 {
 ident = token;
 nT();
+}
+else if (token.type == T.LParen)
+{
+type = parseType();
+parseCFunctionPointerType(type, ident);
 }
 else
 {
 type = parseType();
 ident = requireId();
 }
 set(t, begin);
 return t;
 }
+Type parseCFunctionPointerType(Type type, ref Token* ident)
+{
+assert(token.type == T.LParen);
+auto begin = token;
+nT(); // Skip (
+type = parseBasicType2(type);
+if (token.type == T.LParen)
+{
+// Can be nested.
+type = parseCFunctionPointerType(type, ident);
+}
+else if (token.type == T.Identifier)
+{
+// The identifier of the function pointer and the declaration.
+ident = token;
+nT();
+type = parseDeclaratorSuffix(type);
+}
+require(T.RParen);
+// Optional parameter list
+auto params = token.type == T.LParen ? parseParameterList() : null;
+type = set(new CFuncPointerType(type, params), begin);
+return type;
+}
 Type parseDeclarator(ref Token* ident, bool identOptional = false)
 {
 auto t = parseType();
-if (token.type == T.Identifier)
+if (token.type == T.LParen)
+{
+t = parseCFunctionPointerType(t, ident);
+}
+else if (token.type == T.Identifier)
 {
 ident = token;
 nT();
 t = parseDeclaratorSuffix(t);
 }
-else if (!identOptional)
+if (ident is null && !identOptional)
 expected(T.Identifier);
 return t;
 }

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