From a51a3fa2d274f665d371bb30de6beb01490f79e0 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 7 Feb 2014 14:17:00 +0100
Subject: Added echo command

---
 kernel/register.cc | 48 +++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 45 insertions(+), 3 deletions(-)

(limited to 'kernel/register.cc')

diff --git a/kernel/register.cc b/kernel/register.cc
index 10ba4f274..325709664 100644
--- a/kernel/register.cc
+++ b/kernel/register.cc
@@ -29,6 +29,7 @@ using namespace REGISTER_INTERN;
 
 namespace REGISTER_INTERN
 {
+	bool echo_mode = false;
 	int raw_register_count = 0;
 	bool raw_register_done = false;
 	Pass *raw_register_array[MAX_REG_COUNT];
@@ -124,7 +125,7 @@ void Pass::extra_args(std::vector<std::string> args, size_t argidx, RTLIL::Desig
 		handle_extra_select_args(this, args, argidx, args.size(), design);
 		break;
 	}
-	cmd_log_args(args);
+	// cmd_log_args(args);
 }
 
 void Pass::call(RTLIL::Design *design, std::string command)
@@ -173,6 +174,14 @@ void Pass::call(RTLIL::Design *design, std::vector<std::string> args)
 {
 	if (args.size() == 0 || args[0][0] == '#')
 		return;
+
+	if (echo_mode) {
+		log("%s", create_prompt(design, 0));
+		for (size_t i = 0; i < args.size(); i++)
+			log("%s%s", i ? " " : "", args[i].c_str());
+		log("\n");
+	}
+
 	if (pass_register.count(args[0]) == 0)
 		log_cmd_error("No such command: %s (type 'help' for a command overview)\n", args[0].c_str());
 
@@ -269,7 +278,7 @@ void Frontend::extra_args(FILE *&f, std::string &filename, std::vector<std::stri
 	if (called_with_fp)
 		args.push_back(filename);
 	args[0] = pass_name;
-	cmd_log_args(args);
+	// cmd_log_args(args);
 }
 
 void Frontend::frontend_call(RTLIL::Design *design, FILE *f, std::string filename, std::string command)
@@ -355,7 +364,7 @@ void Backend::extra_args(FILE *&f, std::string &filename, std::vector<std::strin
 	if (called_with_fp)
 		args.push_back(filename);
 	args[0] = pass_name;
-	cmd_log_args(args);
+	// cmd_log_args(args);
 
 	if (f == NULL) {
 		filename = "<stdout>";
@@ -533,3 +542,36 @@ struct HelpPass : public Pass {
 	}
 } HelpPass;
  
+struct EchoPass : public Pass {
+	EchoPass() : Pass("echo", "turning echoing back of commands on and off") { }
+	virtual void help()
+	{
+		log("\n");
+		log("    echo on\n");
+		log("\n");
+		log("Print all commands to log before executing them.\n");
+		log("\n");
+		log("\n");
+		log("    echo off\n");
+		log("\n");
+		log("Do not print all commands to log before executing them. (default)\n");
+		log("\n");
+	}
+	virtual void execute(std::vector<std::string> args, RTLIL::Design*)
+	{
+		if (args.size() > 2)
+			cmd_error(args, 2, "Unexpected argument.");
+
+		if (args.size() == 2) {
+			if (args[1] == "on")
+				echo_mode = true;
+			else if (args[1] == "off")
+				echo_mode = false;
+			else
+				cmd_error(args, 1, "Unexpected argument.");
+		}
+
+		log("echo %s\n", echo_mode ? "on" : "off");
+	}
+} EchoPass;
+ 
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