[src/trunk]: src/usr.bin/xlint lint: rename str_t and its members to be more ...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a077f3890ee2
branches:  trunk
changeset: 1018849:a077f3890ee2
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Feb 19 22:16:12 2021 +0000

description:
lint: rename str_t and its members to be more expressive

No functional change.

diffstat:

 usr.bin/xlint/common/tyname.c |  10 +++---
 usr.bin/xlint/lint1/cgram.y   |   8 +++---
 usr.bin/xlint/lint1/decl.c    |  57 +++++++++++++++++++++---------------------
 usr.bin/xlint/lint1/emit1.c   |   6 ++--
 usr.bin/xlint/lint1/init.c    |  10 ++++---
 usr.bin/xlint/lint1/lint1.h   |  22 ++++++++--------
 usr.bin/xlint/lint1/tree.c    |  22 ++++++++--------
 7 files changed, 69 insertions(+), 66 deletions(-)

diffs (truncated from 445 to 300 lines):

diff -r f7283486f95a -r a077f3890ee2 usr.bin/xlint/common/tyname.c
--- a/usr.bin/xlint/common/tyname.c     Fri Feb 19 21:35:44 2021 +0000
+++ b/usr.bin/xlint/common/tyname.c     Fri Feb 19 22:16:12 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tyname.c,v 1.26 2021/01/26 18:38:57 rillig Exp $       */
+/*     $NetBSD: tyname.c,v 1.27 2021/02/19 22:16:12 rillig Exp $       */
 
 /*-
  * Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: tyname.c,v 1.26 2021/01/26 18:38:57 rillig Exp $");
+__RCSID("$NetBSD: tyname.c,v 1.27 2021/02/19 22:16:12 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -238,8 +238,8 @@
        case STRUCT:
        case UNION:
 #ifdef t_str
-               return strcmp(t1->t_str->stag->s_name,
-                   t2->t_str->stag->s_name) == 0;
+               return strcmp(t1->t_str->sou_tag->s_name,
+                   t2->t_str->sou_tag->s_name) == 0;
 #else
                return true;
 #endif
@@ -349,7 +349,7 @@
        case UNION:
                buf_add(&buf, " ");
 #ifdef t_str
-               buf_add(&buf, tp->t_str->stag->s_name);
+               buf_add(&buf, tp->t_str->sou_tag->s_name);
 #else
                buf_add(&buf,
                    tp->t_isuniqpos ? "*anonymous*" : tp->t_tag->h_name);
diff -r f7283486f95a -r a077f3890ee2 usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Fri Feb 19 21:35:44 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Fri Feb 19 22:16:12 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.160 2021/01/31 12:44:34 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.161 2021/02/19 22:16:12 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 1.160 2021/01/31 12:44:34 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.161 2021/02/19 22:16:12 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -802,7 +802,7 @@
                        /* anonymous struct/union members is a C9X feature */
                        warning(49);
                /* add all the members of the anonymous struct/union */
-               $$ = dcs->d_type->t_str->memb;
+               $$ = dcs->d_type->t_str->sou_first_member;
                anonymize($$);
          }
        | noclass_declspecs deftyp opt_type_attribute {
@@ -811,7 +811,7 @@
                if (!Sflag)
                        /* anonymous struct/union members is a C9X feature */
                        warning(49);
-               $$ = dcs->d_type->t_str->memb;
+               $$ = dcs->d_type->t_str->sou_first_member;
                /* add all the members of the anonymous struct/union */
                anonymize($$);
          }
diff -r f7283486f95a -r a077f3890ee2 usr.bin/xlint/lint1/decl.c
--- a/usr.bin/xlint/lint1/decl.c        Fri Feb 19 21:35:44 2021 +0000
+++ b/usr.bin/xlint/lint1/decl.c        Fri Feb 19 22:16:12 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: decl.c,v 1.133 2021/01/31 11:23:01 rillig Exp $ */
+/* $NetBSD: decl.c,v 1.134 2021/02/19 22:16:12 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 1.133 2021/01/31 11:23:01 rillig Exp $");
+__RCSID("$NetBSD: decl.c,v 1.134 2021/02/19 22:16:12 rillig Exp $");
 #endif
 
 #include <sys/param.h>
@@ -181,7 +181,7 @@
        } else if (t == ARRAY) {
                return tp->t_aincompl;
        } else if (t == STRUCT || t == UNION) {
-               return tp->t_str->sincompl;
+               return tp->t_str->sou_incomplete;
        } else if (t == ENUM) {
                return tp->t_enum->eincompl;
        }
@@ -199,7 +199,7 @@
        if ((t = tp->t_tspec) == ARRAY) {
                tp->t_aincompl = !complete;
        } else if (t == STRUCT || t == UNION) {
-               tp->t_str->sincompl = !complete;
+               tp->t_str->sou_incomplete = !complete;
        } else {
                lint_assert(t == ENUM);
                tp->t_enum->eincompl = !complete;
@@ -482,8 +482,8 @@
        tspec_t t;
 
        if ((t = tp->t_tspec) == STRUCT || t == UNION) {
-               if (tp->t_str->stdef == NULL)
-                       tp->t_str->stdef = sym;
+               if (tp->t_str->sou_first_typedef == NULL)
+                       tp->t_str->sou_first_typedef = sym;
        } else if (t == ENUM) {
                if (tp->t_enum->etdef == NULL)
                        tp->t_enum->etdef = sym;
@@ -504,25 +504,26 @@
 static void
 setpackedsize(type_t *tp)
 {
-       str_t *sp;
+       struct_or_union *sp;
        sym_t *mem;
 
        switch (tp->t_tspec) {
        case STRUCT:
        case UNION:
                sp = tp->t_str;
-               sp->size = 0;
-               for (mem = sp->memb; mem != NULL; mem = mem->s_next) {
+               sp->sou_size_in_bit = 0;
+               for (mem = sp->sou_first_member;
+                    mem != NULL; mem = mem->s_next) {
                        if (mem->s_type->t_bitfield) {
-                               sp->size += bitfieldsize(&mem);
+                               sp->sou_size_in_bit += bitfieldsize(&mem);
                                if (mem == NULL)
                                        break;
                        }
                        size_t x = (size_t)tsize(mem->s_type);
                        if (tp->t_tspec == STRUCT)
-                               sp->size += x;
-                       else if (x > sp->size)
-                               sp->size = x;
+                               sp->sou_size_in_bit += x;
+                       else if (x > sp->sou_size_in_bit)
+                               sp->sou_size_in_bit = x;
                }
                break;
        default:
@@ -905,9 +906,9 @@
        case UNION:
                if (is_incomplete(tp) && name != NULL) {
                        /* incomplete structure or union %s: %s */
-                       error(31, tp->t_str->stag->s_name, name);
+                       error(31, tp->t_str->sou_tag->s_name, name);
                }
-               elsz = tp->t_str->size;
+               elsz = tp->t_str->sou_size_in_bit;
                break;
        case ENUM:
                if (is_incomplete(tp) && name != NULL) {
@@ -940,7 +941,7 @@
                return -1;
 
        if ((t = tp->t_tspec) == STRUCT || t == UNION) {
-               a = tp->t_str->align;
+               a = tp->t_str->sou_align_in_bit;
        } else if (t == FUNC) {
                /* compiler takes alignment of function */
                error(14);
@@ -1660,9 +1661,9 @@
        if (tp->t_tspec == NOTSPEC) {
                tp->t_tspec = kind;
                if (kind != ENUM) {
-                       tp->t_str = getblk(sizeof (str_t));
-                       tp->t_str->align = CHAR_SIZE;
-                       tp->t_str->stag = tag;
+                       tp->t_str = getblk(sizeof (struct_or_union));
+                       tp->t_str->sou_align_in_bit = CHAR_SIZE;
+                       tp->t_str->sou_tag = tag;
                } else {
                        tp->t_isenum = true;
                        tp->t_enum = getblk(sizeof(*tp->t_enum));
@@ -1763,7 +1764,7 @@
 complete_tag_struct_or_union(type_t *tp, sym_t *fmem)
 {
        tspec_t t;
-       str_t   *sp;
+       struct_or_union *sp;
        int     n;
        sym_t   *mem;
 
@@ -1772,14 +1773,14 @@
        t = tp->t_tspec;
        align(dcs->d_stralign, 0);
        sp = tp->t_str;
-       sp->align = dcs->d_stralign;
-       sp->memb = fmem;
+       sp->sou_align_in_bit = dcs->d_stralign;
+       sp->sou_first_member = fmem;
        if (tp->t_packed)
                setpackedsize(tp);
        else
-               sp->size = dcs->d_offset;
-
-       if (sp->size == 0) {
+               sp->sou_size_in_bit = dcs->d_offset;
+
+       if (sp->sou_size_in_bit == 0) {
                /* zero sized %s is a C9X feature */
                c99ism(47, ttab[t].tt_name);
        }
@@ -1790,17 +1791,17 @@
                if (mem->s_styp == NULL) {
                        mem->s_styp = sp;
                        if (mem->s_type->t_bitfield) {
-                               sp->size += bitfieldsize(&mem);
+                               sp->sou_size_in_bit += bitfieldsize(&mem);
                                if (mem == NULL)
                                        break;
                        }
-                       sp->size += tsize(mem->s_type);
+                       sp->sou_size_in_bit += tsize(mem->s_type);
                }
                if (mem->s_name != unnamed)
                        n++;
        }
 
-       if (n == 0 && sp->size != 0) {
+       if (n == 0 && sp->sou_size_in_bit != 0) {
                /* %s has no named members */
                warning(65, t == STRUCT ? "structure" : "union");
        }
diff -r f7283486f95a -r a077f3890ee2 usr.bin/xlint/lint1/emit1.c
--- a/usr.bin/xlint/lint1/emit1.c       Fri Feb 19 21:35:44 2021 +0000
+++ b/usr.bin/xlint/lint1/emit1.c       Fri Feb 19 22:16:12 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: emit1.c,v 1.39 2021/01/17 14:50:11 rillig Exp $ */
+/* $NetBSD: emit1.c,v 1.40 2021/02/19 22:16:12 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: emit1.c,v 1.39 2021/01/17 14:50:11 rillig Exp $");
+__RCSID("$NetBSD: emit1.c,v 1.40 2021/02/19 22:16:12 rillig Exp $");
 #endif
 
 #include <ctype.h>
@@ -142,7 +142,7 @@
                } else if (ts == ENUM) {
                        outtt(tp->t_enum->etag, tp->t_enum->etdef);
                } else if (ts == STRUCT || ts == UNION) {
-                       outtt(tp->t_str->stag, tp->t_str->stdef);
+                       outtt(tp->t_str->sou_tag, tp->t_str->sou_first_typedef);
                } else if (ts == FUNC && tp->t_proto) {
                        na = 0;
                        for (arg = tp->t_args; arg != NULL; arg = arg->s_next)
diff -r f7283486f95a -r a077f3890ee2 usr.bin/xlint/lint1/init.c
--- a/usr.bin/xlint/lint1/init.c        Fri Feb 19 21:35:44 2021 +0000
+++ b/usr.bin/xlint/lint1/init.c        Fri Feb 19 22:16:12 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init.c,v 1.66 2021/01/31 12:44:34 rillig Exp $ */
+/*     $NetBSD: init.c,v 1.67 2021/02/19 22:16:12 rillig Exp $ */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: init.c,v 1.66 2021/01/31 12:44:34 rillig Exp $");
+__RCSID("$NetBSD: init.c,v 1.67 2021/02/19 22:16:12 rillig Exp $");
 #endif
 
 #include <stdlib.h>
@@ -236,7 +236,8 @@
                    __func__, istk->i_remaining,
                    type_name(istk->i_type), namedmem->n_name));
 
-               for (m = istk->i_type->t_str->memb; m != NULL; m = m->s_next) {
+               for (m = istk->i_type->t_str->sou_first_member;
+                    m != NULL; m = m->s_next) {
                        DPRINTF(("%s: pop lhs.name=%s rhs.name=%s\n", __func__,
                            m->s_name, namedmem->n_name));
                        if (m->s_bitfield && m->s_name == unnamed)
@@ -380,7 +381,8 @@
                DPRINTF(("%s: lookup type=%s, name=%s named=%d\n", __func__,
                    type_name(istk->i_type),
                    namedmem ? namedmem->n_name : "*none*", istk->i_namedmem));
-               for (m = istk->i_type->t_str->memb; m != NULL; m = m->s_next) {