From 419e775dfbadf5da53a4645e6fedbfeea56f1b74 Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Sat, 13 Sep 2025 08:53:23 -0400
Subject: [PATCH] Tests: Support ANSI input in driver

---
 test_regress/driver.py     |  5 +++--
 test_regress/t/t_EXAMPLE.v | 33 ++++++++++++---------------------
 2 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/test_regress/driver.py b/test_regress/driver.py
index 0cf4517df..97137696d 100755
--- a/test_regress/driver.py
+++ b/test_regress/driver.py
@@ -2252,9 +2252,10 @@ class VlTest:
             inputs = {}
             for line in fh:
                 if get_sigs:
-                    m = re.match(r'^\s*input\s*(\S+)\s*(\/[^\/]+\/|)\s*;', line)
+                    # Does not support escaped signals, we only need "clk" and a few others
+                    m = re.match(r'^\s*input\s*(logic|bit|reg|wire)?\s*([A-Za-z0-9_]+)', line)
                     if m:
-                        inputs[m.group(1)] = m.group(1)
+                        inputs[m.group(2)] = m.group(2)
                     if re.match(r'^\s*(function|task|endmodule)', line):
                         get_sigs = False
                 # Ignore any earlier inputs; Module 't' has precedence
diff --git a/test_regress/t/t_EXAMPLE.v b/test_regress/t/t_EXAMPLE.v
index 75659496a..5978f291d 100644
--- a/test_regress/t/t_EXAMPLE.v
+++ b/test_regress/t/t_EXAMPLE.v
@@ -22,22 +22,20 @@
 `define checks(gotv,expv) do if ((gotv) != (expv)) begin $write("%%Error: %s:%0d:  got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
 // verilog_format: on
 
-module t (  /*AUTOARG*/
-  // Inputs
-  clk
-  );
-  input clk;
+module t (
+    input clk
+);
 
-  int         cyc;
-  reg  [63:0] crc;
-  reg  [63:0] sum;
+  int cyc;
+  logic [63:0] crc;
+  logic [63:0] sum;
 
   // Take CRC data and apply to testblock inputs
   wire [31:0] in = crc[31:0];
 
   /*AUTOWIRE*/
   // Beginning of automatic wires (for undeclared instantiated-module outputs)
-  wire [31:0]           out;                    // From test of Test.v
+  logic [31:0]          out;                    // From test of Test.v
   // End of automatics
 
   Test test (  /*AUTOINST*/
@@ -66,8 +64,6 @@ module t (  /*AUTOARG*/
     else if (cyc < 10) begin
       sum <= '0;
     end
-    else if (cyc < 90) begin
-    end
     else if (cyc == 99) begin
       $write("[%0t] cyc==%0d crc=%x sum=%x\n", $time, cyc, crc, sum);
       `checkh(crc, 64'hc77bb9b3784ea091);
@@ -80,22 +76,17 @@ module t (  /*AUTOARG*/
 
 endmodule
 
-module Test (  /*AUTOARG*/
-  // Outputs
-  out,
-  // Inputs
-  clk, in
-  );
+module Test (
+    input clk,
+    input [31:0] in,
+    output logic [31:0] out
+);
 
   // Replace this module with the device under test.
   //
   // Change the code in the t module to apply values to the inputs and
   // merge the output values into the result vector.
 
-  input clk;
-  input [31:0] in;
-  output reg [31:0] out;
-
   always @(posedge clk) begin
     out <= in;
   end