Merge pull request #4926 from JasonBrave/filelist

Verilog file list suport

.gitignore

@@ -7,6 +7,7 @@
 *.gcno
 *~
 __pycache__
+/.cache
 /.cproject
 /.project
 /.settings
@@ -15,6 +16,7 @@ __pycache__
 /qtcreator.config
 /qtcreator.creator
 /qtcreator.creator.user
+/compile_commands.json
 /coverage.info
 /coverage_html
 /Makefile.conf

frontends/verific/verific.cc

@@ -4298,7 +4298,7 @@ struct ReadPass : public Pass {
 		log("\n");
 		log("    read {-f|-F} <command-file>\n");
 		log("\n");
-		log("Load and execute the specified command file. (Requires Verific.)\n");
+		log("Load and execute the specified command file.\n");
 		log("Check verific command for more information about supported commands in file.\n");
 		log("\n");
 		log("\n");
@@ -4412,10 +4412,14 @@ struct ReadPass : public Pass {
 		if (args[1] == "-f" || args[1] == "-F") {
 			if (use_verific) {
 				args[0] = "verific";
-				Pass::call(design, args);
 			} else {
-				cmd_error(args, 1, "This version of Yosys is built without Verific support.\n");
+#if !defined(__wasm)
+				args[0] = "read_verilog_file_list";
+#else
+				cmd_error(args, 1, "Command files are not supported on this platform.\n");
+#endif
 			}
+			Pass::call(design, args);
 			return;
 		}
 

frontends/verilog/verilog_frontend.cc

@@ -26,6 +26,10 @@
  *
  */
 
+#if !defined(__wasm)
+#include <filesystem>
+#endif
+
 #include "verilog_frontend.h"
 #include "preproc.h"
 #include "kernel/yosys.h"
@@ -672,6 +676,89 @@ struct VerilogDefines : public Pass {
 	}
 } VerilogDefines;
 
+#if !defined(__wasm)
+
+static void parse_file_list(const std::string &file_list_path, RTLIL::Design *design, bool relative_to_file_list_path)
+{
+	std::ifstream flist(file_list_path);
+	if (!flist.is_open()) {
+		log_error("Verilog file list file does not exist");
+		exit(1);
+	}
+
+	std::filesystem::path file_list_parent_dir = std::filesystem::path(file_list_path).parent_path();
+
+	std::string v_file_name;
+	while (std::getline(flist, v_file_name)) {
+		if (v_file_name.empty()) {
+			continue;
+		}
+
+		std::filesystem::path verilog_file_path;
+		if (relative_to_file_list_path) {
+			verilog_file_path = file_list_parent_dir / v_file_name;
+		} else {
+			verilog_file_path = std::filesystem::current_path() / v_file_name;
+		}
+
+		bool is_sv = (verilog_file_path.extension() == ".sv");
+
+		std::vector<std::string> read_verilog_cmd = {"read_verilog", "-defer"};
+		if (is_sv) {
+			read_verilog_cmd.push_back("-sv");
+		}
+		read_verilog_cmd.push_back(verilog_file_path.string());
+		Pass::call(design, read_verilog_cmd);
+	}
+
+	flist.close();
+}
+
+struct VerilogFileList : public Pass {
+	VerilogFileList() : Pass("read_verilog_file_list", "Parse a Verilog file list") {}
+	void help() override
+	{
+		//   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+		log("\n");
+		log("    read_verilog_file_list [options]\n");
+		log("\n");
+		log("Parse a Verilog file list, and pass the list of Verilog files to read_verilog\n");
+		log("command\n");
+		log("\n");
+		log("    -F file_list_path\n");
+		log("        File list file contains list of Verilog files to be parsed, any path is\n");
+		log("        treated relative to the file list file\n");
+		log("\n");
+		log("    -f file_list_path\n");
+		log("        File list file contains list of Verilog files to be parsed, any path is\n");
+		log("        treated relative to current working directroy\n");
+		log("\n");
+	}
+
+	void execute(std::vector<std::string> args, RTLIL::Design *design) override
+	{
+		size_t argidx;
+		for (argidx = 1; argidx < args.size(); argidx++) {
+			std::string arg = args[argidx];
+			if (arg == "-F" && argidx + 1 < args.size()) {
+				std::string file_list_path = args[++argidx];
+				parse_file_list(file_list_path, design, true);
+				continue;
+			}
+			if (arg == "-f" && argidx + 1 < args.size()) {
+				std::string file_list_path = args[++argidx];
+				parse_file_list(file_list_path, design, false);
+				continue;
+			}
+			break;
+		}
+
+		extra_args(args, argidx, design);
+	}
+} VerilogFilelist;
+
+#endif
+
 YOSYS_NAMESPACE_END
 
 // the yyerror function used by bison to report parser errors