Meta: Move main to example target, better include compatibility

example/CMakeLists.txt

@@ -0,0 +1,25 @@
+# ------------------------------------------
+# User config between these lines
+
+# Set project name
+set(EXAMPLE "repl")
+
+# ------------------------------------------
+
+project(${EXAMPLE} CXX)
+
+# Define game source files
+file(GLOB_RECURSE EXAMPLE_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp")
+
+add_executable(${EXAMPLE} ${EXAMPLE_SOURCES})
+target_include_directories(${EXAMPLE} PRIVATE
+	"src")
+target_link_libraries(${EXAMPLE} ${PROJECT})
+
+# ------------------------------------------
+
+# Add 'make run' target
+add_custom_target(run
+	COMMAND ${EXAMPLE} -c
+	DEPENDS ${PROJECT}
+	WORKING_DIRECTORY "..")

example/src/main.cpp

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2023 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <csignal> // std::signal
+#include <string>
+#include <string_view>
+#include <vector>
+
+#include "ruc/argparser.h"
+#include "ruc/format/color.h"
+#include "ruc/format/print.h"
+
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/forward.h"
+#include "blaze/repl.h"
+#include "blaze/settings.h"
+
+namespace blaze {
+
+auto main(int argc, char* argv[]) -> int
+{
+	bool dump_lexer = false;
+	bool dump_reader = false;
+	bool pretty_print = false;
+	std::string_view history_path = "~/.blaze-history";
+	std::vector<std::string> arguments;
+
+	// CLI arguments
+	ruc::ArgParser arg_parser;
+	arg_parser.addOption(dump_lexer, 'l', "dump-lexer", nullptr, nullptr);
+	arg_parser.addOption(dump_reader, 'r', "dump-reader", nullptr, nullptr);
+	arg_parser.addOption(pretty_print, 'c', "color", nullptr, nullptr);
+	arg_parser.addOption(history_path, 'h', "history-path", nullptr, nullptr, nullptr, ruc::ArgParser::Required::Yes);
+	// TODO: Add overload for addArgument(std::vector<std::string_view>)
+	arg_parser.addArgument(arguments, "arguments", nullptr, nullptr, ruc::ArgParser::Required::No);
+	arg_parser.parse(argc, argv);
+
+	// Set settings
+	g_outer_env->set("*DUMP-LEXER*", makePtr<Constant>(dump_lexer));
+	g_outer_env->set("*DUMP-READER*", makePtr<Constant>(dump_reader));
+	g_outer_env->set("*PRETTY-PRINT*", makePtr<Constant>(pretty_print));
+
+	// Signal callbacks
+	std::signal(SIGINT, Repl::cleanup);
+	std::signal(SIGTERM, Repl::cleanup);
+
+	Environment::loadFunctions();
+	Environment::installFunctions(g_outer_env);
+	Repl::makeArgv(g_outer_env, arguments);
+
+	if (arguments.size() > 0) {
+		Repl::rep(format("(load-file \"{}\")", arguments.front()), g_outer_env);
+		return 0;
+	}
+
+	Repl::rep("(println (str \"Blaze [\" *host-language* \"]\"))", g_outer_env);
+
+	g_readline = Readline(pretty_print, history_path);
+
+	std::string input;
+	while (g_readline.get(input)) {
+		std::string output = Repl::rep(input, g_outer_env);
+		if (output.length() > 0) {
+			print("{}\n", output);
+		}
+	}
+
+	if (pretty_print) {
+		print("\033[0m");
+	}
+
+	return 0;
+}
+
+} // namespace blaze
+
+auto main(int argc, char* argv[]) -> int
+{
+	return blaze::main(argc, argv);
+}