@@ -163,6 +163,7 @@ along with GCC; see the file COPYING3. If not see
#include <string.h>
#include <assert.h>
#include <unistd.h>
+#include "rbtree.h"
/* Input and output file descriptors and pathnames. */
static FILE *bif_file;
@@ -249,6 +250,29 @@ struct typeinfo
char *val2;
};
+static int num_bifs;
+static int num_ovld_stanzas;
+static int num_ovlds;
+
+/* Return codes for parsing routines. */
+enum parse_codes
+{
+ PC_OK,
+ PC_EOFILE,
+ PC_EOSTANZA,
+ PC_PARSEFAIL
+};
+
+/* The red-black trees for built-in function identifiers, built-in
+ overload identifiers, and function type descriptors. */
+static rbt_strings bif_rbt;
+static rbt_strings ovld_rbt;
+static rbt_strings fntype_rbt;
+
+/* Another red-black tree containing a mapping from built-in function
+ identifiers to the order in which they were encountered. */
+static rbt_strings bifo_rbt;
+
/* Pointer to a diagnostic function. */
static void (*diag) (const char *, ...)
__attribute__ ((format (printf, 1, 2)));
@@ -865,3 +889,190 @@ match_type (typeinfo *typedata, int voidok)
return 1;
}
+
+/* Parse the built-in file. */
+static parse_codes
+parse_bif (void)
+{
+ return PC_OK;
+}
+
+/* Create a mapping from function IDs in their final order to the order
+ they appear in the built-in function file. */
+static void
+create_bif_order (void)
+{
+}
+
+/* Parse the overload file. */
+static parse_codes
+parse_ovld (void)
+{
+ return PC_OK;
+}
+
+/* Write everything to the header file (rs6000-builtins.h). */
+static int
+write_header_file (void)
+{
+ return 1;
+}
+
+/* Write everything to the initialization file (rs6000-builtins.c). */
+static int
+write_init_file (void)
+{
+ return 1;
+}
+
+/* Write everything to the include file (rs6000-vecdefines.h). */
+static int
+write_defines_file (void)
+{
+ return 1;
+}
+
+/* Close and delete output files after any failure, so that subsequent
+ build dependencies will fail. */
+static void
+delete_output_files (void)
+{
+ /* Depending on whence we're called, some of these may already be
+ closed. Don't check for errors. */
+ fclose (header_file);
+ fclose (init_file);
+ fclose (defines_file);
+
+ unlink (header_path);
+ unlink (init_path);
+ unlink (defines_path);
+}
+
+/* Main program to convert flat files into built-in initialization code. */
+int
+main (int argc, const char **argv)
+{
+ if (argc != 6)
+ {
+ fprintf (stderr,
+ "Five arguments required: two input file and three output "
+ "files.\n");
+ exit (1);
+ }
+
+ pgm_path = argv[0];
+ bif_path = argv[1];
+ ovld_path = argv[2];
+ header_path = argv[3];
+ init_path = argv[4];
+ defines_path = argv[5];
+
+ bif_file = fopen (bif_path, "r");
+ if (!bif_file)
+ {
+ fprintf (stderr, "Cannot find input built-in file '%s'.\n", bif_path);
+ exit (1);
+ }
+ ovld_file = fopen (ovld_path, "r");
+ if (!ovld_file)
+ {
+ fprintf (stderr, "Cannot find input overload file '%s'.\n", ovld_path);
+ exit (1);
+ }
+ header_file = fopen (header_path, "w");
+ if (!header_file)
+ {
+ fprintf (stderr, "Cannot open header file '%s' for output.\n",
+ header_path);
+ exit (1);
+ }
+ init_file = fopen (init_path, "w");
+ if (!init_file)
+ {
+ fprintf (stderr, "Cannot open init file '%s' for output.\n", init_path);
+ exit (1);
+ }
+ defines_file = fopen (defines_path, "w");
+ if (!defines_file)
+ {
+ fprintf (stderr, "Cannot open defines file '%s' for output.\n",
+ defines_path);
+ exit (1);
+ }
+
+ /* Initialize the balanced trees containing built-in function ids,
+ overload function ids, and function type declaration ids. */
+ rbt_new (&bif_rbt);
+ rbt_new (&ovld_rbt);
+ rbt_new (&fntype_rbt);
+
+ /* Initialize another balanced tree that contains a map from built-in
+ function ids to the order in which they were encountered. */
+ rbt_new (&bifo_rbt);
+
+ /* Parse the built-in function file. */
+ num_bifs = 0;
+ line = 0;
+ if (parse_bif () == PC_PARSEFAIL)
+ {
+ fprintf (stderr, "Parsing of '%s' failed, aborting.\n", bif_path);
+ delete_output_files ();
+ exit (1);
+ }
+ fclose (bif_file);
+
+ /* Create a mapping from function IDs in their final order to
+ the order they appear in the built-in function file. */
+ create_bif_order ();
+
+#ifdef DEBUG
+ fprintf (stderr, "\nFunction ID list:\n");
+ rbt_dump (&bif_rbt, bif_rbt.rbt_root);
+ fprintf (stderr, "\n");
+#endif
+
+ /* Parse the overload file. */
+ num_ovld_stanzas = 0;
+ num_ovlds = 0;
+ line = 0;
+ if (parse_ovld () == PC_PARSEFAIL)
+ {
+ fprintf (stderr, "Parsing of '%s' failed, aborting.\n", ovld_path);
+ delete_output_files ();
+ exit (1);
+ }
+ fclose (ovld_file);
+
+#ifdef DEBUG
+ fprintf (stderr, "\nFunction type decl list:\n");
+ rbt_dump (&fntype_rbt, fntype_rbt.rbt_root);
+ fprintf (stderr, "\n");
+#endif
+
+ /* Write the header file and the file containing initialization code. */
+ if (!write_header_file ())
+ {
+ fprintf (stderr, "Output to '%s' failed, aborting.\n", header_path);
+ delete_output_files ();
+ exit (1);
+ }
+ fclose (header_file);
+ if (!write_init_file ())
+ {
+ fprintf (stderr, "Output to '%s' failed, aborting.\n", init_path);
+ delete_output_files ();
+ exit (1);
+ }
+ fclose (init_file);
+
+ /* Write the defines file to be included into altivec.h. */
+ if (!write_defines_file ())
+ {
+ fprintf (stderr, "Output to '%s' failed, aborting.\n", defines_path);
+ delete_output_files ();
+ exit (1);
+ }
+ fclose (defines_file);
+
+ return 0;
+}