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vlog95: Report zero argument functions are not supported.

This commit is contained in:
Cary R 2013-02-07 17:06:54 -08:00
parent b6ec138644
commit a581e0ef0e
2 changed files with 12 additions and 2 deletions
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5
tgt-vlog95/expr.c
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (C) 2011-2012 Cary R. (cygcary@yahoo.com) * Copyright (C) 2011-2013 Cary R. (cygcary@yahoo.com)
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -456,6 +456,9 @@ static void emit_expr_func(ivl_scope_t scope, ivl_expr_t expr, unsigned wid)
} }
emit_expr(scope, ivl_expr_parm(expr, count), 0); emit_expr(scope, ivl_expr_parm(expr, count), 0);
fprintf(vlog_out, ")"); fprintf(vlog_out, ")");
/* User functions without arguments are not supported. */
} else if (ivl_expr_type(expr) == IVL_EX_UFUNC) {
fprintf(vlog_out, "()");
} }
} }

9
tgt-vlog95/scope.c
View File

@ -717,7 +717,14 @@ int emit_scope(ivl_scope_t scope, ivl_scope_t parent)
case IVL_SCT_FUNCTION: case IVL_SCT_FUNCTION:
assert(indent != 0); assert(indent != 0);
fprintf(vlog_out, "\n%*cfunction", indent, ' '); fprintf(vlog_out, "\n%*cfunction", indent, ' ');
assert(ivl_scope_ports(scope) >= 2); if (ivl_scope_ports(scope) < 2) {
fprintf(stderr, "%s:%u: vlog95 error: Function (%s) has "
"no argments (or return value).\n",
ivl_scope_file(scope),
ivl_scope_lineno(scope),
ivl_scope_tname(scope));
vlog_errors += 1;
}
/* The function return information is the zero port. */ /* The function return information is the zero port. */
emit_func_return(ivl_scope_port(scope, 0)); emit_func_return(ivl_scope_port(scope, 0));
fprintf(vlog_out, " "); fprintf(vlog_out, " ");