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[src/trunk]: src/usr.bin/make make: inline VarFlags into Var



details:   https://anonhg.NetBSD.org/src/rev/c6f377fb42bb
branches:  trunk
changeset: 982189:c6f377fb42bb
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Apr 03 23:15:52 2021 +0000

description:
make: inline VarFlags into Var

No functional change.

diffstat:

 usr.bin/make/var.c |  150 ++++++++++++++++++++++++++--------------------------
 1 files changed, 74 insertions(+), 76 deletions(-)

diffs (truncated from 318 to 300 lines):

diff -r c76458762e28 -r c6f377fb42bb usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sat Apr 03 23:08:30 2021 +0000
+++ b/usr.bin/make/var.c        Sat Apr 03 23:15:52 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.901 2021/04/03 23:08:30 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.902 2021/04/03 23:15:52 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -140,48 +140,7 @@
 #include "metachar.h"
 
 /*     "@(#)var.c      8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.901 2021/04/03 23:08:30 rillig Exp $");
-
-typedef struct VarFlags {
-       /*
-        * The variable's value is currently being used by Var_Parse or
-        * Var_Subst.  This marker is used to avoid endless recursion.
-        */
-       bool inUse: 1;
-
-       /*
-        * The variable comes from the environment.
-        * These variables are not registered in any GNode, therefore they
-        * must be freed as soon as they are not used anymore.
-        */
-       bool fromEnv: 1;
-
-       /*
-        * The variable is exported to the environment, to be used by child
-        * processes.
-        */
-       bool exported: 1;
-
-       /*
-        * At the point where this variable was exported, it contained an
-        * unresolved reference to another variable.  Before any child
-        * process is started, it needs to be exported again, in the hope
-        * that the referenced variable can then be resolved.
-        */
-       bool reexport: 1;
-
-       /* The variable came from the command line. */
-       bool fromCmd: 1;
-
-       /*
-        * The variable value cannot be changed anymore, and the variable
-        * cannot be deleted.  Any attempts to do so are silently ignored,
-        * they are logged with -dv though.
-        *
-        * See VAR_SET_READONLY.
-        */
-       bool readOnly: 1;
-} VarFlags;
+MAKE_RCSID("$NetBSD: var.c,v 1.902 2021/04/03 23:15:52 rillig Exp $");
 
 /*
  * Variables are defined using one of the VAR=value assignments.  Their
@@ -212,8 +171,45 @@
 
        /* The unexpanded value of the variable. */
        Buffer val;
-       /* Miscellaneous status flags. */
-       VarFlags flags;
+
+       /* The variable came from the command line. */
+       bool fromCmd: 1;
+
+       /*
+        * The variable comes from the environment.
+        * These variables are not registered in any GNode, therefore they
+        * must be freed as soon as they are not used anymore.
+        */
+       bool fromEnv: 1;
+
+       /*
+        * The variable value cannot be changed anymore, and the variable
+        * cannot be deleted.  Any attempts to do so are silently ignored,
+        * they are logged with -dv though.
+        *
+        * See VAR_SET_READONLY.
+        */
+       bool readOnly: 1;
+
+       /*
+       * The variable's value is currently being used by Var_Parse or
+       * Var_Subst.  This marker is used to avoid endless recursion.
+       */
+       bool inUse: 1;
+
+       /*
+        * The variable is exported to the environment, to be used by child
+        * processes.
+        */
+       bool exported: 1;
+
+       /*
+        * At the point where this variable was exported, it contained an
+        * unresolved reference to another variable.  Before any child
+        * process is started, it needs to be exported again, in the hope
+        * that the referenced variable can then be resolved.
+        */
+       bool reexport: 1;
 } Var;
 
 /*
@@ -352,14 +348,16 @@
 VarNew(FStr name, const char *value, bool fromEnv, bool readOnly)
 {
        size_t value_len = strlen(value);
-       VarFlags vflags = { false, false, false, false, false, false };
        Var *var = bmake_malloc(sizeof *var);
        var->name = name;
        Buf_InitSize(&var->val, value_len + 1);
        Buf_AddBytes(&var->val, value, value_len);
-       vflags.fromEnv = fromEnv;
-       vflags.readOnly = readOnly;
-       var->flags = vflags;
+       var->fromCmd = false;
+       var->fromEnv = fromEnv;
+       var->readOnly = readOnly;
+       var->inUse = false;
+       var->exported = false;
+       var->reexport = false;
        return var;
 }
 
@@ -478,7 +476,7 @@
 static void
 VarFreeEnv(Var *v)
 {
-       if (!v->flags.fromEnv)
+       if (!v->fromEnv)
                return;
 
        FStr_Done(&v->name);
@@ -515,7 +513,7 @@
 
        DEBUG2(VAR, "%s:delete %s\n", scope->name, varname);
        v = he->value;
-       if (v->flags.exported)
+       if (v->exported)
                unsetenv(v->name.str);
        if (strcmp(v->name.str, MAKE_EXPORTED) == 0)
                var_exportedVars = VAR_EXPORTED_NONE;
@@ -616,16 +614,16 @@
        char *val = v->val.data;
        char *expr;
 
-       if (v->flags.exported && !v->flags.reexport)
+       if (v->exported && !v->reexport)
                return false;   /* nothing to do */
 
        if (strchr(val, '$') == NULL) {
-               if (!v->flags.exported)
+               if (!v->exported)
                        setenv(name, val, 1);
                return true;
        }
 
-       if (v->flags.inUse) {
+       if (v->inUse) {
                /*
                 * We recursed while exporting in a child.
                 * This isn't going to end well, just skip it.
@@ -648,8 +646,8 @@
 {
        if (strchr(v->val.data, '$') == NULL) {
                setenv(v->name.str, v->val.data, 1);
-               v->flags.exported = true;
-               v->flags.reexport = false;
+               v->exported = true;
+               v->reexport = false;
                return true;
        }
 
@@ -659,18 +657,18 @@
         * the child process can do it at the last minute.
         * Avoid calling setenv more often than necessary since it can leak.
         */
-       v->flags.exported = true;
-       v->flags.reexport = true;
+       v->exported = true;
+       v->reexport = true;
        return true;
 }
 
 static bool
 ExportVarLiteral(Var *v)
 {
-       if (v->flags.exported && !v->flags.reexport)
+       if (v->exported && !v->reexport)
                return false;
 
-       if (!v->flags.exported)
+       if (!v->exported)
                setenv(v->name.str, v->val.data, 1);
 
        return true;
@@ -876,10 +874,10 @@
        }
 
        DEBUG1(VAR, "Unexporting \"%s\"\n", varname);
-       if (what != UNEXPORT_ENV && v->flags.exported && !v->flags.reexport)
+       if (what != UNEXPORT_ENV && v->exported && !v->reexport)
                unsetenv(v->name.str);
-       v->flags.exported = false;
-       v->flags.reexport = false;
+       v->exported = false;
+       v->reexport = false;
 
        if (what == UNEXPORT_NAMED) {
                /* Remove the variable names from .MAKE.EXPORTED. */
@@ -947,7 +945,7 @@
        if (v == NULL)
                return false;
 
-       if (v->flags.fromCmd) {
+       if (v->fromCmd) {
                DEBUG3(VAR, "%s:%s = %s ignored!\n",
                    SCOPE_GLOBAL->name, name, val);
                return true;
@@ -992,7 +990,7 @@
                }
                v = VarAdd(name, val, scope, flags);
        } else {
-               if (v->flags.readOnly && !(flags & VAR_SET_READONLY)) {
+               if (v->readOnly && !(flags & VAR_SET_READONLY)) {
                        DEBUG3(VAR, "%s:%s = %s ignored (read-only)\n",
                            scope->name, name, val);
                        return;
@@ -1001,7 +999,7 @@
                Buf_AddStr(&v->val, val);
 
                DEBUG3(VAR, "%s:%s = %s\n", scope->name, name, val);
-               if (v->flags.exported)
+               if (v->exported)
                        ExportVar(name, VEM_PLAIN);
        }
 
@@ -1011,7 +1009,7 @@
         */
        if (scope == SCOPE_CMDLINE && !(flags & VAR_SET_NO_EXPORT) &&
            name[0] != '.') {
-               v->flags.fromCmd = true;
+               v->fromCmd = true;
 
                /*
                 * If requested, don't export these in the environment
@@ -1118,23 +1116,23 @@
 
        if (v == NULL) {
                Var_SetWithFlags(scope, name, val, VAR_SET_NONE);
-       } else if (v->flags.readOnly) {
+       } else if (v->readOnly) {
                DEBUG1(VAR, "Ignoring append to %s since it is read-only\n",
                    name);
-       } else if (scope == SCOPE_CMDLINE || !v->flags.fromCmd) {
+       } else if (scope == SCOPE_CMDLINE || !v->fromCmd) {
                Buf_AddByte(&v->val, ' ');
                Buf_AddStr(&v->val, val);
 
                DEBUG3(VAR, "%s:%s = %s\n", scope->name, name, v->val.data);
 
-               if (v->flags.fromEnv) {
+               if (v->fromEnv) {
                        /*
                         * If the original variable came from the environment,
                         * we have to install it in the global scope (we
                         * could place it in the environment, but then we
                         * should provide a way to export other variables...)
                         */
-                       v->flags.fromEnv = false;
+                       v->fromEnv = false;
                        /*
                         * This is the only place where a variable is
                         * created whose v->name is not the same as
@@ -1256,7 +1254,7 @@
        if (v == NULL)
                return FStr_InitRefer(NULL);
 
-       if (!v->flags.fromEnv)
+       if (!v->fromEnv)
                return FStr_InitRefer(v->val.data);
 
        /* Since environment variables are short-lived, free it now. */
@@ -4419,7 +4417,7 @@
        }
 
        expr.name = v->name.str;
-       if (v->flags.inUse)
+       if (v->inUse)
                Fatal("Variable %s is recursive.", v->name.str);
 
        /*
@@ -4442,10 +4440,10 @@
                VarEvalFlags nested_eflags = eflags;
                if (opts.strict)
                        nested_eflags.undefErr = false;



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