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[src/trunk]: src/usr.bin/xlint/lint1 lint: name memory allocation functions c...



details:   https://anonhg.NetBSD.org/src/rev/a7c713d93448
branches:  trunk
changeset: 982139:a7c713d93448
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Apr 02 10:13:03 2021 +0000

description:
lint: name memory allocation functions consistently

No functional change.

diffstat:

 usr.bin/xlint/lint1/cgram.y    |   6 +-
 usr.bin/xlint/lint1/decl.c     |  18 ++++----
 usr.bin/xlint/lint1/externs1.h |  16 +++---
 usr.bin/xlint/lint1/func.c     |  16 +++---
 usr.bin/xlint/lint1/init.c     |  10 ++--
 usr.bin/xlint/lint1/mem1.c     |  27 ++++++-----
 usr.bin/xlint/lint1/tree.c     |  93 +++++++++++++++++++++--------------------
 7 files changed, 95 insertions(+), 91 deletions(-)

diffs (truncated from 665 to 300 lines):

diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Fri Apr 02 10:13:03 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.208 2021/04/02 09:52:36 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.209 2021/04/02 10:13:03 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.y,v 1.208 2021/04/02 09:52:36 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.209 2021/04/02 10:13:03 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -1878,7 +1878,7 @@
                $$ = new_string_node($1);
          }
        | T_CON {
-               $$ = new_constant_node(gettyp($1->v_tspec), $1);
+               $$ = expr_new_constant(gettyp($1->v_tspec), $1);
          }
        | T_LPAREN expr T_RPAREN {
                if ($2 != NULL)
diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/decl.c
--- a/usr.bin/xlint/lint1/decl.c        Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/decl.c        Fri Apr 02 10:13:03 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: decl.c,v 1.167 2021/03/30 14:25:28 rillig Exp $ */
+/* $NetBSD: decl.c,v 1.168 2021/04/02 10:13:03 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: decl.c,v 1.167 2021/03/30 14:25:28 rillig Exp $");
+__RCSID("$NetBSD: decl.c,v 1.168 2021/04/02 10:13:03 rillig Exp $");
 #endif
 
 #include <sys/param.h>
@@ -162,7 +162,7 @@
 {
        type_t  *ntp;
 
-       ntp = tgetblk(sizeof *ntp);
+       ntp = expr_zalloc(sizeof *ntp);
        *ntp = *tp;
        return ntp;
 }
@@ -1015,9 +1015,9 @@
                                /* function returns illegal type */
                                error(15);
                                if (t == FUNC) {
-                                       *tpp = incref(*tpp, PTR);
+                                       *tpp = derive_type(*tpp, PTR);
                                } else {
-                                       *tpp = incref((*tpp)->t_subt, PTR);
+                                       *tpp = derive_type((*tpp)->t_subt, PTR);
                                }
                                return;
                        } else if (tp->t_const || tp->t_volatile) {
@@ -1183,7 +1183,7 @@
        } else if (t == FUNC) {
                /* function illegal in structure or union */
                error(38);
-               dsym->s_type = tp = incref(tp, t = PTR);
+               dsym->s_type = tp = derive_type(tp, t = PTR);
        }
 
        /*
@@ -2416,12 +2416,12 @@
        }
 
        if ((t = sym->s_type->t_tspec) == ARRAY) {
-               sym->s_type = incref(sym->s_type->t_subt, PTR);
+               sym->s_type = derive_type(sym->s_type->t_subt, PTR);
        } else if (t == FUNC) {
                if (tflag)
                        /* a function is declared as an argument: %s */
                        warning(50, sym->s_name);
-               sym->s_type = incref(sym->s_type, PTR);
+               sym->s_type = derive_type(sym->s_type, PTR);
        } else if (t == FLOAT) {
                if (tflag)
                        sym->s_type = gettyp(DOUBLE);
@@ -3334,7 +3334,7 @@
         * will be used later to match types.
         */
        if (tn->tn_op != CON && dcs->d_ctx != ABSTRACT)
-               tfreeblk();
+               expr_free_all();
 
        if ((t = v->v_tspec) == FLOAT || t == DOUBLE || t == LDOUBLE) {
                i = (int)v->v_ldbl;
diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/externs1.h
--- a/usr.bin/xlint/lint1/externs1.h    Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/externs1.h    Fri Apr 02 10:13:03 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: externs1.h,v 1.97 2021/04/02 09:52:36 rillig Exp $     */
+/*     $NetBSD: externs1.h,v 1.98 2021/04/02 10:13:03 rillig Exp $     */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -105,11 +105,11 @@
 extern void    freeblk(void);
 extern void    freelblk(int);
 
-extern void    *tgetblk(size_t);
+extern void    *expr_zalloc(size_t);
 extern tnode_t *expr_zalloc_tnode(void);
-extern void    tfreeblk(void);
-extern struct  memory_block *tsave(void);
-extern void    trestor(struct memory_block *);
+extern void    expr_free_all(void);
+extern struct  memory_block *expr_save_memory(void);
+extern void    expr_restore_memory(struct memory_block *);
 
 /*
  * err.c
@@ -196,9 +196,9 @@
 /*
  * tree.c
  */
-extern type_t  *incref(type_t *, tspec_t);
-extern type_t  *tincref(type_t *, tspec_t);
-extern tnode_t *new_constant_node(type_t *, val_t *);
+extern type_t  *derive_type(type_t *, tspec_t);
+extern type_t  *expr_derive_type(type_t *, tspec_t);
+extern tnode_t *expr_new_constant(type_t *, val_t *);
 extern tnode_t *new_name_node(sym_t *, int);
 extern tnode_t *new_string_node(strg_t *);
 extern sym_t   *struct_or_union_member(tnode_t *, op_t, sym_t *);
diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/func.c
--- a/usr.bin/xlint/lint1/func.c        Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/func.c        Fri Apr 02 10:13:03 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: func.c,v 1.98 2021/03/26 20:31:07 rillig Exp $ */
+/*     $NetBSD: func.c,v 1.99 2021/04/02 10:13:03 rillig Exp $ */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: func.c,v 1.98 2021/03/26 20:31:07 rillig Exp $");
+__RCSID("$NetBSD: func.c,v 1.99 2021/04/02 10:13:03 rillig Exp $");
 #endif
 
 #include <stdlib.h>
@@ -541,7 +541,7 @@
 
        check_case_label(tn, ci);
 
-       tfreeblk();
+       expr_free_all();
 
        set_reached(true);
 }
@@ -883,7 +883,7 @@
         * Also remember this expression itself. We must check it at
         * the end of the loop to get "used but not set" warnings correct.
         */
-       cstmt->c_for_expr3_mem = tsave();
+       cstmt->c_for_expr3_mem = expr_save_memory();
        cstmt->c_for_expr3 = tn3;
        cstmt->c_for_expr3_pos = curr_pos;
        cstmt->c_for_expr3_csrc_pos = csrc_pos;
@@ -920,7 +920,7 @@
        cspos = csrc_pos;
 
        /* Restore the tree memory for the reinitialization expression */
-       trestor(cstmt->c_for_expr3_mem);
+       expr_restore_memory(cstmt->c_for_expr3_mem);
        tn3 = cstmt->c_for_expr3;
        curr_pos = cstmt->c_for_expr3_pos;
        csrc_pos = cstmt->c_for_expr3_csrc_pos;
@@ -935,7 +935,7 @@
        if (tn3 != NULL) {
                expr(tn3, false, false, true, false);
        } else {
-               tfreeblk();
+               expr_free_all();
        }
 
        curr_pos = cpos;
@@ -1034,7 +1034,7 @@
        if (tn != NULL && funcsym->s_type->t_subt->t_tspec == VOID) {
                /* void function %s cannot return value */
                error(213, funcsym->s_name);
-               tfreeblk();
+               expr_free_all();
                tn = NULL;
        } else if (tn == NULL && funcsym->s_type->t_subt->t_tspec != VOID) {
                /*
@@ -1049,7 +1049,7 @@
        if (tn != NULL) {
 
                /* Create a temporary node for the left side */
-               ln = tgetblk(sizeof *ln);
+               ln = expr_zalloc(sizeof *ln);
                ln->tn_op = NAME;
                ln->tn_type = tduptyp(funcsym->s_type->t_subt);
                ln->tn_type->t_const = false;
diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/init.c
--- a/usr.bin/xlint/lint1/init.c        Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/init.c        Fri Apr 02 10:13:03 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init.c,v 1.187 2021/04/02 09:39:25 rillig Exp $        */
+/*     $NetBSD: init.c,v 1.188 2021/04/02 10:13:03 rillig Exp $        */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: init.c,v 1.187 2021/04/02 09:39:25 rillig Exp $");
+__RCSID("$NetBSD: init.c,v 1.188 2021/04/02 10:13:03 rillig Exp $");
 #endif
 
 #include <stdlib.h>
@@ -383,7 +383,7 @@
        struct memory_block *tmem;
 
        /* Create a temporary node for the left side. */
-       ln = tgetblk(sizeof *ln);
+       ln = expr_zalloc(sizeof *ln);
        ln->tn_op = NAME;
        ln->tn_type = tduptyp(tp);
        ln->tn_type->t_const = false;
@@ -404,9 +404,9 @@
         * Preserve the tree memory. This is necessary because otherwise
         * expr() would free it.
         */
-       tmem = tsave();
+       tmem = expr_save_memory();
        expr(tn, true, false, true, false);
-       trestor(tmem);
+       expr_restore_memory(tmem);
 
        check_bit_field_init(ln, lt, rt);
 
diff -r 951c05786e44 -r a7c713d93448 usr.bin/xlint/lint1/mem1.c
--- a/usr.bin/xlint/lint1/mem1.c        Fri Apr 02 10:06:26 2021 +0000
+++ b/usr.bin/xlint/lint1/mem1.c        Fri Apr 02 10:13:03 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mem1.c,v 1.40 2021/04/02 09:52:36 rillig Exp $ */
+/*     $NetBSD: mem1.c,v 1.41 2021/04/02 10:13:03 rillig Exp $ */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: mem1.c,v 1.40 2021/04/02 09:52:36 rillig Exp $");
+__RCSID("$NetBSD: mem1.c,v 1.41 2021/04/02 10:13:03 rillig Exp $");
 #endif
 
 #include <sys/types.h>
@@ -336,24 +336,27 @@
  * expression.
  */
 void *
-tgetblk(size_t s)
+expr_zalloc(size_t s)
 {
 
        return xgetblk(&tmblk, s);
 }
 
-/* Return a freshly allocated tree node. */
+/*
+ * Return a freshly allocated tree node that is freed at the end of the
+ * current expression.
+ */
 tnode_t *
 expr_zalloc_tnode(void)
 {
-       tnode_t *tn = tgetblk(sizeof *tn);
+       tnode_t *tn = expr_zalloc(sizeof *tn);
        tn->tn_from_system_header = in_system_header;
        return tn;
 }
 
 /* Free all memory which is allocated by the current expression. */
 void
-tfreeblk(void)
+expr_free_all(void)
 {
 
        xfreeblk(&tmblk);
@@ -361,11 +364,11 @@



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