Parse (but do not process) __builtin_convertvector

Author: tautschnig

src/ansi-c/parser.y

@@ -148,6 +148,7 @@ extern char *yyansi_ctext;
 %token TOK_GCC_BUILTIN_TYPES_COMPATIBLE_P "__builtin_types_compatible_p"
 %token TOK_OFFSETOF    "__offsetof"
 %token TOK_ALIGNOF     "__alignof__"
+%token TOK_CONVERTVECTOR "__builtin_convertvector"
 %token TOK_MSC_TRY     "__try"
 %token TOK_MSC_FINALLY "__finally"
 %token TOK_MSC_EXCEPT  "__except"
@@ -647,6 +648,11 @@ unary_expression:
           stack($$).id(ID_alignof);
           stack($$).add(ID_type_arg).swap(stack($3));
         }
+        | TOK_CONVERTVECTOR '(' unary_expression ',' type_name ')'
+        {
+          // TODO: cast each vector element of $3 to $5
+          $$=$3;
+        }
         ;
 
 cast_expression:

src/ansi-c/scanner.l

@@ -686,6 +686,17 @@ void ansi_c_scanner_init()
                     return make_identifier();
                 }
 
+"__builtin_convertvector" {
+                  if(PARSER.mode==configt::ansi_ct::flavourt::APPLE)
+                  {
+                    loc();
+                    return TOK_CONVERTVECTOR;
+                  }
+                  else
+                    return make_identifier();
+                }
+
+
 %{
 /* C++ Keywords and Operators */
 %}