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Add support for ${var} substitutions in the command file. 

We still support $(var).
This commit is contained in:
Cary R 2009-10-28 18:06:36 -07:00 committed by Stephen Williams
parent 9dc4c8cbe1
commit 4cb39f584d
2 changed files with 7 additions and 30 deletions
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5
driver/iverilog.man
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@ -1,4 +1,4 @@
.TH iverilog 1 "May 28th, 2009" "" "Version 0.10.devel" .TH iverilog 1 "October 28th, 2009" "" "Version 0.10.devel"
.SH NAME .SH NAME
iverilog - Icarus Verilog compiler iverilog - Icarus Verilog compiler
@ -436,7 +436,8 @@ integer value.
.SH "VARIABLES IN COMMAND FILES" .SH "VARIABLES IN COMMAND FILES"
In certain cases, iverilog supports variables in command files. These In certain cases, iverilog supports variables in command files. These
are strings of the form "$(\fIvarname\fP)", where \fIvarname\fP is the are strings of the form "$(\fIvarname\fP)" or "${\fIvarname\fP}", where
\fIvarname\fP is the
name of the environment variable to read. The entire string is name of the environment variable to read. The entire string is
replaced with the contents of that variable. Variables are only replaced with the contents of that variable. Variables are only
substituted in contexts that explicitly support them, including file substituted in contexts that explicitly support them, including file

32
driver/substit.c
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2002 Stephen Williams (steve@icarus.com) * Copyright (c) 2002-2009 Stephen Williams (steve@icarus.com)
* *
* This source code is free software; you can redistribute it * This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU * and/or modify it in source code form under the terms of the GNU
@ -16,9 +16,6 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#ifdef HAVE_CVS_IDENT
#ident "$Id: substit.c,v 1.5 2003/12/19 01:27:10 steve Exp $"
#endif
# include <string.h> # include <string.h>
# include <stdlib.h> # include <stdlib.h>
@ -35,13 +32,13 @@ char* substitutions(const char*str)
while (*str) { while (*str) {
if ((str[0] == '$') && (str[1] == '(')) { if ((str[0] == '$') && ((str[1] == '(') || str[1] == '{')) {
/* If I find a $(x) string in the source, replace /* If I find a $(x) or ${x} string in the source, replace
it in the destination with the contents of the it in the destination with the contents of the
environment variable x. */ environment variable x. */
char*name; char*name;
char*value; char*value;
const char*ep = strchr(str, ')'); const char*ep = strchr(str, (str[1]=='(') ? ')' : '}');
str += 2; str += 2;
name = malloc(ep-str+1); name = malloc(ep-str+1);
@ -92,24 +89,3 @@ char* substitutions(const char*str)
return buf; return buf;
} }
/*
* $Log: substit.c,v $
* Revision 1.5 2003/12/19 01:27:10 steve
* Fix various unsigned compare warnings.
*
* Revision 1.4 2002/08/12 01:35:01 steve
* conditional ident string using autoconfig.
*
* Revision 1.3 2002/08/11 23:47:04 steve
* Add missing Log and Ident strings.
*
* Revision 1.2 2002/06/25 01:33:01 steve
* include malloc.h only when available.
*
* Revision 1.1 2002/06/23 20:10:51 steve
* Variable substitution in command files.
*
*/