/*
- * Project: libFIRM
- * File name: ir/tr/trvrfy.c
- * Purpose: Check types and entities for correctness.
- * Author: Michael Beck, Goetz Lindenmaier
- * Modified by:
- * Created: 29.1.2003
- * CVS-ID: $Id$
- * Copyright: (c) 2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file tr_inheritance.c
+ * @brief Check types and entities for correctness.
+ * @date 29.1.2003
+ * @author Michael Beck, Goetz Lindenmaier
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include "trvrfy.h"
#include "irgraph_t.h" /* for checking whether constant code is allocated
- on proper obstack */
+ on proper obstack */
+#include "irflag_t.h"
+#include "irprintf.h"
+#include "irgwalk.h"
+
+
+#ifdef NDEBUG
+/*
+ * in RELEASE mode, returns ret if the expression expr evaluates to zero
+ * in ASSERT mode, asserts the expression expr (and the string string).
+ */
+#define ASSERT_AND_RET(expr, string, ret) if (!(expr)) return (ret)
+
+/*
+ * in RELEASE mode, returns ret if the expression expr evaluates to zero
+ * in ASSERT mode, executes blk if the expression expr evaluates to zero and asserts expr
+ */
+#define ASSERT_AND_RET_DBG(expr, string, ret, blk) if (!(expr)) return (ret)
+#else
+#define ASSERT_AND_RET(expr, string, ret) \
+do { \
+ if (opt_do_node_verification == FIRM_VERIFICATION_ON) {\
+ assert((expr) && string); } \
+ if (!(expr)) { \
+ if (opt_do_node_verification == FIRM_VERIFICATION_REPORT) \
+ fprintf(stderr, #expr " : " string "\n"); \
+ firm_vrfy_failure_msg = #expr " && " string; \
+ return (ret); \
+ } \
+} while(0)
+
+#define ASSERT_AND_RET_DBG(expr, string, ret, blk) \
+do { \
+ if (!(expr)) { \
+ firm_vrfy_failure_msg = #expr " && " string; \
+ if (opt_do_node_verification != FIRM_VERIFICATION_ERROR_ONLY) { blk; } \
+ if (opt_do_node_verification == FIRM_VERIFICATION_REPORT) \
+ fprintf(stderr, #expr " : " string "\n"); \
+ else if (opt_do_node_verification == FIRM_VERIFICATION_ON) { \
+ assert((expr) && string); \
+ } \
+ return (ret); \
+ } \
+} while(0)
+
+#endif /* NDEBUG */
+
+#ifndef NDEBUG
+
+static const char *firm_vrfy_failure_msg;
/**
- * Check a class
+ * Show diagnostic if an entity overwrites another one not
+ * in direct superclasses.
*/
-static int check_class(type *tp) {
- int i, j, k;
- int found;
-
- /*printf("\n"); DDMT(tp);*/
-
- for (i = 0; i < get_class_n_members(tp); i++) {
-
- entity *mem = get_class_member(tp, i);
- assert(mem && "NULL members not allowed");
- /*printf(" %d, %d", get_entity_n_overwrites(mem), get_class_n_supertypes(tp)); DDME(mem);*/
- if (!mem) return error_null_mem;
-
- if (get_entity_n_overwrites(mem) > get_class_n_supertypes(tp)) {
- DDMT(tp); DDME(mem);
- assert(get_entity_n_overwrites(mem) <= get_class_n_supertypes(tp));
- }
- for (j = 0; j < get_entity_n_overwrites(mem); j++) {
- entity *ovw = get_entity_overwrites(mem, j);
- /*printf(" overwrites: "); DDME(ovw);*/
- /* Check whether ovw is member of one of tp's supertypes. If so,
- the representation is correct. */
- found = 0;
- for (k = 0; k < get_class_n_supertypes(tp); k++) {
- if (get_class_member_index(get_class_supertype(tp, k), ovw) >= 0) {
- found = 0;
- break;
- }
- }
- if (!found) {
- DDMT(tp); DDME(mem);
- assert(found && "overwrites an entity not contained in direct supertype");
- return error_ent_not_cont;
- }
- }
-
- }
- return 0;
+static void show_ent_not_supertp(ir_entity *ent, ir_entity *ovw) {
+ ir_type *owner = get_entity_owner(ent);
+ ir_type *ov_own = get_entity_owner(ovw);
+ int i;
+
+ fprintf(stderr, "Type verification error:\n");
+ ir_fprintf(stderr, "Entity %+F::%+e owerwrites ", owner, ent);
+ ir_fprintf(stderr, "Entity %+F::%+e\n", ov_own, ovw);
+
+ ir_fprintf(stderr, "Supertypes of %+F:\n", owner);
+ for (i = 0; i < get_class_n_supertypes(owner); ++i) {
+ ir_type *super = get_class_supertype(owner, i);
+ ir_fprintf(stderr, " %+F:\n", super);
+ }
}
/**
- * Check an array.
+ * Show diagnostic if an entity overwrites a wrong number of things.
*/
-static int check_array(type *tp) {
- int i, n_dim = get_array_n_dimensions(tp);
- for (i = 0; i < n_dim; ++i)
- assert(has_array_lower_bound(tp, i) || has_array_upper_bound(tp, i));
+static void show_ent_overwrite_cnt(ir_entity *ent) {
+ ir_type *owner = get_entity_owner(ent);
+ int i, j, k, found, show_stp = 0;
+
+ fprintf(stderr, "Type verification error:\n");
+ ir_fprintf(stderr, "Entity %t::%e owerwrites\n", owner, ent);
+ for (i = 0; i < get_entity_n_overwrites(ent); ++i) {
+ ir_entity *ovw = get_entity_overwrites(ent, i);
+ ir_type *ov_own = get_entity_owner(ovw);
+
+ ir_fprintf(stderr, " %t::%e\n", ov_own, ovw);
+ for (k = 0; k < i; ++k)
+ if (ovw == get_entity_overwrites(ent, k)) {
+ ir_fprintf(stderr, " ->%t::%e entered more than once\n", ov_own, ovw);
+ break;
+ }
+
+ found = 0;
+ for (j = get_class_n_supertypes(owner) - 1; j >= 0; --j) {
+ if (ov_own == get_class_supertype(owner, j)) {
+ show_stp = found = 1;
+ break;
+ }
+ }
+ if (! found)
+ ir_fprintf(stderr, " ->%t not in super types of %t\n", ov_own, owner);
+ }
+
+ if (show_stp) {
+ ir_fprintf(stderr, "Supertypes of %t:\n", owner);
+ for (i = 0; i < get_class_n_supertypes(owner); ++i) {
+ ir_type *super = get_class_supertype(owner, i);
+ ir_fprintf(stderr, " %t:\n", super);
+ }
+ }
+}
- return 0;
+/**
+ * Shows a wrong entity allocation
+ */
+static void show_ent_alloc_error(ir_entity *ent) {
+ ir_fprintf(stderr, "%+e owner %t has allocation %s\n",
+ ent, get_entity_type(ent),
+ get_allocation_name(get_entity_allocation(ent)));
}
+#endif /* #ifndef NDEBUG */
/**
- * Check a primitive.
+ * Check a class
*/
-static int check_primitive(type *tp) {
- assert(is_mode(get_type_mode(tp)));
+static int check_class(ir_type *tp) {
+ int i, j, k;
+ int found;
+
+ for (i = get_class_n_members(tp) - 1; i >= 0; --i) {
+ ir_entity *mem = get_class_member(tp, i);
+
+ ASSERT_AND_RET_DBG(
+ tp == get_entity_owner(mem),
+ "class member with wrong owner",
+ error_ent_wrong_owner,
+ ir_fprintf(stderr, "Type verification error:\n%+F %+e(owner %+F)\n",tp, mem, get_entity_owner(mem))
+ );
+ ASSERT_AND_RET_DBG(
+ mem,
+ "NULL members not allowed",
+ error_null_mem,
+ ir_fprintf(stderr, "Type verification error:\n%+F member %d is NULL\n", tp, i)
+ );
+
+ ASSERT_AND_RET_DBG(
+ get_entity_n_overwrites(mem) <= get_class_n_supertypes(tp),
+ "wrong number of entity overwrites",
+ error_wrong_ent_overwrites,
+ show_ent_overwrite_cnt(mem)
+ );
+
+ for (j = get_entity_n_overwrites(mem) - 1; j >= 0; --j) {
+ ir_entity *ovw = get_entity_overwrites(mem, j);
+ /*printf(" overwrites: "); DDME(ovw);*/
+ /* Check whether ovw is member of one of tp's supertypes. If so,
+ the representation is correct. */
+ found = 0;
+ for (k = get_class_n_supertypes(tp) - 1; k >= 0; --k) {
+ if (get_class_member_index(get_class_supertype(tp, k), ovw) >= 0) {
+ found = 1;
+ break;
+ }
+ }
+ ASSERT_AND_RET_DBG(
+ found,
+ "overwrites an entity not contained in direct supertype",
+ error_ent_not_cont,
+ show_ent_not_supertp(mem, ovw)
+ );
+ }
+ }
+ return 0;
+}
- return 0;
+/**
+ * Check an array.
+ */
+static int check_array(ir_type *tp) {
+ int i, n_dim = get_array_n_dimensions(tp);
+
+ for (i = 0; i < n_dim; ++i) {
+ ASSERT_AND_RET_DBG(
+ has_array_lower_bound(tp, i) || has_array_upper_bound(tp, i),
+ "array bound missing",
+ 1,
+ ir_fprintf(stderr, "%+F in dimension %d\n", tp, i)
+ );
+ }
+ return 0;
}
/**
+ * Check a primitive.
+ */
+static int check_primitive(ir_type *tp) {
+ ASSERT_AND_RET_DBG(
+ is_mode(get_type_mode(tp)),
+ "Primitive type without mode",
+ 1,
+ ir_fprintf(stderr, "%+F\n", tp)
+ );
+ return 0;
+}
+
+
+/*
* Checks a type.
*
- * Currently checks class types only.
- */
-static int check_type(type *tp) {
- switch (get_type_tpop_code(tp)) {
- case tpo_class:
- return check_class(tp);
- case tpo_array:
- return check_array(tp);
- case tpo_primitive:
- return check_primitive(tp);
- default: break;
- }
- return 0;
+ * return
+ * 0 if no error encountered
+ */
+int check_type(ir_type *tp) {
+ switch (get_type_tpop_code(tp)) {
+ case tpo_class:
+ return check_class(tp);
+ case tpo_array:
+ return check_array(tp);
+ case tpo_primitive:
+ return check_primitive(tp);
+ default: break;
+ }
+ return 0;
+}
+
+/**
+ * checks the visited flag
+ */
+static int check_visited_flag(ir_graph *irg, ir_node *n) {
+ ASSERT_AND_RET_DBG(
+ get_irn_visited(n) <= get_irg_visited(irg),
+ "Visited flag of node is larger than that of corresponding irg.",
+ 0,
+ ir_fprintf(stderr, "%+F in %+F\n", n, irg)
+ );
+ return 1;
}
/**
* helper environment struct for constant_on_wrong_obstack()
*/
struct myenv {
- int res;
- ir_graph *irg;
+ int res;
+ ir_graph *irg;
};
/**
* called by the walker
*/
static void on_irg_storage(ir_node *n, void *env) {
- struct myenv * myenv = env;
+ struct myenv *myenv = env;
- myenv->res = node_is_in_irgs_storage(myenv->irg, n);
-
- /* We also test whether the setting of the visited flag is legal. */
- assert(get_irn_visited(n) <= get_irg_visited(myenv->irg) &&
- "Visited flag of node is larger than that of corresponding irg.");
+ /* We also test whether the setting of the visited flag is legal. */
+ myenv->res = node_is_in_irgs_storage(myenv->irg, n) &&
+ check_visited_flag(myenv->irg, n);
}
/**
* constant IR graph.
*/
static int constant_on_wrong_irg(ir_node *n) {
- struct myenv env;
+ struct myenv env;
- env.res = 1; /* on right obstack */
- env.irg = get_const_code_irg();
+ env.res = 1; /* on right obstack */
+ env.irg = get_const_code_irg();
- irg_walk(n, on_irg_storage, NULL, (void *)&env);
- return ! env.res;
+ irg_walk(n, on_irg_storage, NULL, (void *)&env);
+ return ! env.res;
}
-/*
+/**
* Check if constants node are NOT on the constant IR graph.
+ *
+ * @return NON-zero if an entity initializer constant is NOT on
+ * the current_ir_graph's obstack.
*/
-static int constants_on_wrong_irg(entity *ent) {
- if (get_entity_variability(ent) == variability_uninitialized) return 0;
-
- if (is_compound_entity(ent)) {
- int i;
- for (i = 0; i < get_compound_ent_n_values(ent); i++) {
- if (constant_on_wrong_irg(get_compound_ent_value(ent, i)))
- return 1;
- }
- } else {
- /* Might not be set if entity belongs to a description or is external allocated. */
- if (get_atomic_ent_value(ent))
- return constant_on_wrong_irg(get_atomic_ent_value(ent));
- else if (get_entity_visibility(ent) != visibility_external_allocated)
- assert((is_Class_type(get_entity_owner(ent)) &&
- get_class_peculiarity(get_entity_owner(ent)) == peculiarity_description) &&
- "Value in constant atomic entity not set.");
- }
- return 0;
+static int constants_on_wrong_irg(ir_entity *ent) {
+ if (get_entity_variability(ent) == variability_uninitialized) return 0;
+
+ if (is_compound_entity(ent)) {
+ if(!ent->has_initializer) {
+ int i;
+ for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i) {
+ if (constant_on_wrong_irg(get_compound_ent_value(ent, i)))
+ return 1;
+ }
+ }
+ } else {
+ /* Might not be set if entity belongs to a description or is external allocated. */
+ if (get_atomic_ent_value(ent))
+ return constant_on_wrong_irg(get_atomic_ent_value(ent));
+ else if (get_entity_visibility(ent) != visibility_external_allocated) {
+ ASSERT_AND_RET_DBG(
+ is_Class_type(get_entity_owner(ent)) &&
+ get_class_peculiarity(get_entity_owner(ent)) == peculiarity_description,
+ "Value in constant atomic entity not set.",
+ 0,
+ ir_fprintf(stderr, "%+e, owner %+F\n", ent, get_entity_owner(ent))
+ );
+ }
+ }
+ return 0;
}
/*
*
* @return
* 0 if no error encountered
- * != 0 else
- */
-static int check_entity(entity *ent) {
- int rem_vpi;
- type *tp = get_entity_type(ent);
- type *owner = get_entity_owner(ent);
-
- current_ir_graph = get_const_code_irg();
- if (constants_on_wrong_irg(ent)) {
- assert(0 && "Contants placed on wrong IRG");
- return error_const_on_wrong_irg;
- }
-
- rem_vpi = get_visit_pseudo_irgs();
- set_visit_pseudo_irgs(1);
- if ((get_entity_peculiarity(ent) == peculiarity_existent) &&
- (get_entity_visibility(ent) != visibility_external_allocated) &&
- (is_Method_type(get_entity_type(ent))) &&
- (!get_entity_irg(ent) || !(is_ir_graph(get_entity_irg(ent))))) {
- assert(0 && "Method ents with pec_exist must have an irg");
- return error_existent_entity_without_irg;
- }
- set_visit_pseudo_irgs(rem_vpi);
-
- /* Originally, this test assumed, that only method entities have
- pec_inh. As I changed this, I have to test for method type before
- doing the test. */
- if (get_entity_peculiarity(ent) == peculiarity_inherited) {
- if (is_Method_type(get_entity_type(ent))) {
- entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
- assert(get_entity_peculiarity(impl) == peculiarity_existent &&
- "inherited method entities must have constant pointing to existent entity.");
- }
- }
-
- /* Entities in global type are not dynamic or automatic allocated. */
- if (owner == get_glob_type()) {
- assert(get_entity_allocation(ent) != allocation_dynamic &&
- get_entity_allocation(ent) != allocation_automatic);
- }
-
- if (get_entity_variability(ent) != variability_uninitialized) {
- if (is_atomic_type(tp)) {
- ir_node *val = get_atomic_ent_value(ent);
- if (val)
- assert(get_irn_mode(val) == get_type_mode(tp) &&
- "Mode of constant in entity must match type.");
- }
- }
-
- return no_error;
+ * != 0 a trvrfy_error_codes code
+ */
+int check_entity(ir_entity *ent) {
+ ir_type *tp = get_entity_type(ent);
+ ir_type *owner = get_entity_owner(ent);
+
+ current_ir_graph = get_const_code_irg();
+ ASSERT_AND_RET_DBG(
+ constants_on_wrong_irg(ent) == 0,
+ "Contants placed on wrong IRG",
+ error_const_on_wrong_irg,
+ ir_fprintf(stderr, "%+e not on %+F\n", ent, current_ir_graph)
+ );
+
+ /* Originally, this test assumed, that only method entities have
+ pecularity_inherited. As I changed this, I have to test for method type before
+ doing the test. */
+ if (get_entity_peculiarity(ent) == peculiarity_inherited) {
+ if (is_Method_type(get_entity_type(ent))) {
+ ir_entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
+ ASSERT_AND_RET_DBG(
+ get_entity_peculiarity(impl) == peculiarity_existent,
+ "inherited method entities must have constant pointing to existent entity.",
+ error_inherited_ent_without_const,
+ ir_fprintf(stderr, "%+e points to %+e\n", ent, impl)
+ );
+ }
+ }
+
+ /* Entities in global type are not dynamic or automatic allocated. */
+ if (owner == get_glob_type()) {
+ ASSERT_AND_RET_DBG(
+ get_entity_allocation(ent) != allocation_dynamic &&
+ get_entity_allocation(ent) != allocation_automatic,
+ "Entities in global type are not allowed to by dynamic or automatic allocated",
+ error_glob_ent_allocation,
+ show_ent_alloc_error(ent)
+ );
+ }
+
+ if (get_entity_variability(ent) != variability_uninitialized) {
+ if (is_atomic_type(tp)) {
+ ir_node *val = get_atomic_ent_value(ent);
+ if (val) {
+ ASSERT_AND_RET_DBG(
+ get_irn_mode(val) == get_type_mode(tp),
+ "Mode of constant in entity must match type.",
+ error_ent_const_mode,
+ ir_fprintf(stderr, "%+e const %+F, type %+F(%+F)\n",
+ ent, val, tp, get_type_mode(tp))
+ );
+ }
+ }
+ }
+ return no_error;
}
/*
* check types and entities
*/
static void check_tore(type_or_ent *tore, void *env) {
- int *res = env;
- assert(tore);
- if (is_type(tore)) {
- *res = check_type((type *)tore);
- } else {
- assert(is_entity(tore));
- *res = check_entity((entity *)tore);
- }
+ int *res = env;
+ assert(tore);
+ if (is_type(tore)) {
+ *res = check_type((ir_type *)tore);
+ } else {
+ assert(is_entity(tore));
+ *res = check_entity((ir_entity *)tore);
+ }
}
/*
* Verify types and entities.
*/
int tr_vrfy(void) {
- int res;
+ int res;
- type_walk(check_tore, NULL, &res);
- return res;
+ type_walk(check_tore, NULL, &res);
+ return res;
}
projects / libfirm / blobdiff