HI Sandeep,
I think what it is saying is that it is requiring an identifier, but
you are passing in a variable declaration. Please try to do the following and
see if it works.
+ return IDENTIFIER_HASH_VALUE (base->decl); }
With
return IDENTIFIER_HASH_VALUE (DECL_NAME (base->decl));
Thanks,
Balaji V. Iyer.
-----Original Message-----
From: Sandeep Soni [mailto:soni.sande...@gmail.com]
Sent: Monday, September 19, 2011 11:32 PM
To: GCC LIST
Cc: Diego Novillo
Subject: [gimplefe] Ran into a internal compiler error
Hi,
I was trying to make a symbol table for all the variable declarations for the
gimple front end. Following is a patch:
Index: parser.c
===================================================================
--- parser.c (revision 174754)
+++ parser.c (working copy)
@@ -28,6 +28,7 @@
#include "tree.h"
#include "gimple.h"
#include "parser.h"
+#include "hashtab.h"
#include "ggc.h"
/* The GIMPLE parser. Note: do not use this variable directly. It is @@
-807,6 +808,31 @@
}
}
+
+struct gimple_symtab_entry_def
+{
+ tree decl;
+};
+
+static hashval_t
+gimple_symtab_entry_hash (const void *entry) {
+ const struct gimple_symtab_entry_def *base =
+ (const struct gimple_symtab_entry_def *)entry;
+ return IDENTIFIER_HASH_VALUE (base->decl); }
+
+static int
+gimple_symtab_eq_hash (const void *entry1, const void *entry2) {
+ const struct gimple_symtab_entry_def *p1 =
+ (const struct gimple_symtab_entry_def *)entry1;
+ const struct gimple_symtab_entry_def *p2 =
+ (const struct gimple_symtab_entry_def *)entry2;
+
+ return (p1->decl == p2->decl);
+}
+
/* The Declaration section within a .gimple file can consist of
a) Declaration of variables.
b) Declaration of functions.
@@ -871,10 +897,29 @@
gp_parse_var_decl (gimple_parser *parser) {
const gimple_token *next_token;
+ const gimple_token *name_token;
+ const char* name;
enum tree_code code ;
+ htab_t gimple_symtab;
+ void **slot1, **slot2;
+ struct gimple_symtab_entry_def e;
+
+ gimple_symtab = htab_create_ggc (10, gimple_symtab_entry_hash,
gimple_symtab_eq_hash, NULL);
gl_consume_expected_token (parser->lexer, CPP_LESS);
- gl_consume_expected_token (parser->lexer, CPP_NAME);
+ name_token = gl_consume_expected_token (parser->lexer, CPP_NAME);
+ name = gl_token_as_text(name_token); e.decl = build_decl
+ (UNKNOWN_LOCATION, VAR_DECL,
get_identifier(name), void_type_node);
+ slot1 = htab_find_slot (gimple_symtab ,&e, INSERT);
+ slot2 = htab_find_slot (gimple_symtab, &e, NO_INSERT); if (slot1 ==
+ slot2)
+ {
+ printf ("I think this is right\n");
+ }
+ else
+ {
+ printf ("Or this is wrong\n");
+ }
gl_consume_expected_token (parser->lexer, CPP_COMMA);
next_token = gl_consume_token (parser->lexer); @@ -1391,7 +1436,6 @@
parser_gc_root__ = NULL;
}
-
/* Main entry point for the GIMPLE front end. */
void
@@ -1402,7 +1446,6 @@
parser_gc_root__ = parser = gp_init (main_input_filename);
if (parser->lexer->filename == NULL)
return;
-
gl_lex (parser->lexer);
gp_parse (parser);
gp_finish (parser);
It gives me a internal compiler error saying:
gimple1: internal compiler error: tree check: expected identifier_node, have
var_decl in gimple_symtab_entry_hash
Is there something that I have gotten wrong or something that I had to do
before that I missed?
--
Cheers
Sandy
