Meta: Improve project when used as a dependency

CMakeLists.txt

@@ -11,6 +11,7 @@ endif()
 # Options
 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
 option(BLAZE_BUILD_EXAMPLES "Build the Blaze example programs" ${BLAZE_STANDALONE})
+option(BLAZE_BUILD_TESTS "Build the Blaze test programs" ${BLAZE_STANDALONE})
 
 # ------------------------------------------
 
@@ -55,18 +56,19 @@ endif()
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 # ------------------------------------------
-# Library
+# Dependencies
 
 add_subdirectory("vendor/ruc")
 
 # ------------------------------------------
-# Application target
+# Library target
 
 # Define source files
-file(GLOB_RECURSE PROJECT_SOURCES "src/*.cpp")
+file(GLOB_RECURSE LIBRARY_SOURCES "src/*.cpp")
 
-add_executable(${PROJECT} ${PROJECT_SOURCES})
-target_include_directories(${PROJECT} PRIVATE "src")
+add_library(${PROJECT} ${LIBRARY_SOURCES})
+target_include_directories(${PROJECT} PUBLIC
+	"src")
 target_link_libraries(${PROJECT} readline ruc)
 
 # ------------------------------------------
@@ -78,53 +80,55 @@ add_custom_target(${PROJECT}-lisp
 add_dependencies(${PROJECT} ${PROJECT}-lisp)
 
 # ------------------------------------------
-# Execute target
+# Example target
 
-add_custom_target(run
-    COMMAND ${PROJECT} -c
-	DEPENDS ${PROJECT})
+if (BLAZE_BUILD_EXAMPLES)
+	add_subdirectory("example")
+endif()
 
 # ------------------------------------------
 # Test targets
 
-function(make_test_target target_name step_name)
+if (BLAZE_BUILD_TESTS)
+	function(make_test_target target_name step_name)
 		add_custom_target(${target_name}
 			COMMAND ../vendor/mal/runtest.py --deferrable --optional ../tests/${step_name}.mal -- ./${PROJECT})
 		add_dependencies(${target_name} ${PROJECT})
-endfunction()
+	endfunction()
 
-make_test_target("test0" "step0_repl")
-make_test_target("test1" "step1_read_print")
-make_test_target("test2" "step2_eval")
-make_test_target("test3" "step3_env")
-make_test_target("test4" "step4_if_fn_do")
-make_test_target("test5" "step5_tco")
-make_test_target("test6" "step6_file")
-make_test_target("test7" "step7_quote")
-make_test_target("test8" "step8_macros")
-make_test_target("test9" "step9_try")
-make_test_target("testA" "stepA_mal")
+	make_test_target("test0" "step0_repl")
+	make_test_target("test1" "step1_read_print")
+	make_test_target("test2" "step2_eval")
+	make_test_target("test3" "step3_env")
+	make_test_target("test4" "step4_if_fn_do")
+	make_test_target("test5" "step5_tco")
+	make_test_target("test6" "step6_file")
+	make_test_target("test7" "step7_quote")
+	make_test_target("test8" "step8_macros")
+	make_test_target("test9" "step9_try")
+	make_test_target("testA" "stepA_mal")
 
-function(make_host_test_target target_name step_name)
+	function(make_host_test_target target_name step_name)
 		add_custom_target(${target_name}
 			COMMAND ../vendor/mal/runtest.py --deferrable --optional ../tests/${step_name}.mal -- ./${PROJECT} ../mal/${step_name}.mal)
 		add_dependencies(${target_name} ${PROJECT})
-endfunction()
+	endfunction()
 
-make_host_test_target("host_test0" "step0_repl")
-make_host_test_target("host_test1" "step1_read_print")
-make_host_test_target("host_test2" "step2_eval")
-make_host_test_target("host_test3" "step3_env")
-make_host_test_target("host_test4" "step4_if_fn_do")
-# make_host_test_target("host_test5" "step5_tco") # disabled
-make_host_test_target("host_test6" "step6_file")
-make_host_test_target("host_test7" "step7_quote")
-make_host_test_target("host_test8" "step8_macros")
-make_host_test_target("host_test9" "step9_try")
-make_host_test_target("host_testA" "stepA_mal")
+	make_host_test_target("host_test0" "step0_repl")
+	make_host_test_target("host_test1" "step1_read_print")
+	make_host_test_target("host_test2" "step2_eval")
+	make_host_test_target("host_test3" "step3_env")
+	make_host_test_target("host_test4" "step4_if_fn_do")
+	# make_host_test_target("host_test5" "step5_tco") # disabled
+	make_host_test_target("host_test6" "step6_file")
+	make_host_test_target("host_test7" "step7_quote")
+	make_host_test_target("host_test8" "step8_macros")
+	make_host_test_target("host_test9" "step9_try")
+	make_host_test_target("host_testA" "stepA_mal")
 
-add_custom_target(perf
+	add_custom_target(perf
 		COMMAND ./${PROJECT} ../tests/perf1.mal
 		COMMAND ./${PROJECT} ../tests/perf2.mal
 		COMMAND ./${PROJECT} ../tests/perf3.mal)
-add_dependencies(perf ${PROJECT})
+	add_dependencies(perf ${PROJECT})
+endif()

compile_commands.json

@@ -0,0 +1 @@
+build/compile_commands.json

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

@@ -13,14 +13,21 @@
 #include "ruc/format/color.h"
 #include "ruc/format/print.h"
 
-#include "ast.h"
-#include "env/environment.h"
-#include "forward.h"
-#include "repl.h"
-#include "settings.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/forward.h"
+#include "blaze/repl.h"
+#include "blaze/settings.h"
 
 namespace blaze {
 
+static auto cleanup(int signal) -> void
+{
+	print("\033[0m\n");
+	Repl::cleanup();
+	std::exit(signal);
+}
+
 auto main(int argc, char* argv[]) -> int
 {
 	bool dump_lexer = false;
@@ -39,17 +46,17 @@ auto main(int argc, char* argv[]) -> int
 	arg_parser.addArgument(arguments, "arguments", nullptr, nullptr, ruc::ArgParser::Required::No);
 	arg_parser.parse(argc, argv);
 
+	Repl::init();
+
+	// Signal callbacks
+	std::signal(SIGINT, cleanup);
+	std::signal(SIGTERM, cleanup);
+
 	// 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) {
@@ -73,6 +80,8 @@ auto main(int argc, char* argv[]) -> int
 		print("\033[0m");
 	}
 
+	Repl::cleanup();
+
 	return 0;
 }
 

src/blaze/ast.cpp

@@ -10,12 +10,12 @@
 #include <utility> // std::move
 #include <vector>
 
-#include "ast.h"
-#include "env/environment.h"
-#include "error.h"
-#include "forward.h"
-#include "printer.h"
-#include "types.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/error.h"
+#include "blaze/forward.h"
+#include "blaze/printer.h"
+#include "blaze/types.h"
 
 namespace blaze {
 

src/blaze/ast.h

@@ -11,16 +11,18 @@
 #include <functional> // std::function
 #include <list>
 #include <map>
-#include <memory> // std::shared_ptr
+#include <memory> // std::make_shared, std::shared_ptr
 #include <span>
 #include <string>
 #include <string_view>
 #include <typeinfo> // typeid
+#include <utility>  // std::forward
 #include <vector>
 
 #include "ruc/format/formatter.h"
 
-#include "forward.h"
+#include "blaze/forward.h"
+#include "blaze/to-from-hashmap.h"
 
 namespace blaze {
 
@@ -77,13 +79,12 @@ protected:
 #define WITH_META(Type)                                         \
 	virtual ValuePtr withMetaImpl(ValuePtr meta) const override \
 	{                                                           \
-		return makePtr<Type>(*this, meta);                      \
+		return std::make_shared<Type>(*this, meta);             \
 	}
 
 #define WITH_NO_META()                                     \
-	virtual ValuePtr withMetaImpl(ValuePtr meta) const override \
+	virtual ValuePtr withMetaImpl(ValuePtr) const override \
 	{                                                      \
-		(void)meta;                                             \
 		return nullptr;                                    \
 	}
 
@@ -195,6 +196,20 @@ public:
 	HashMap(const HashMap& that, ValuePtr meta);
 	virtual ~HashMap() = default;
 
+	static HashMapPtr create(const Elements& elements)
+	{
+		return std::make_shared<HashMap>(elements);
+	}
+
+	// Customization Point
+	template<typename T>
+	static HashMapPtr create(T value)
+	{
+		HashMapPtr hash_map;
+		to_hash_map(hash_map, std::forward<T>(value));
+		return hash_map;
+	}
+
 	static std::string getKeyString(ValuePtr key);
 
 	bool exists(const std::string& key);
@@ -222,6 +237,11 @@ public:
 	String(char character);
 	virtual ~String() = default;
 
+	static ValuePtr create(const std::string& data)
+	{
+		return std::make_shared<String>(data);
+	}
+
 	const std::string& data() const { return m_data; }
 	size_t size() const { return m_data.size(); }
 	bool empty() const { return m_data.empty(); }
@@ -287,6 +307,11 @@ public:
 	Decimal(double decimal);
 	virtual ~Decimal() = default;
 
+	static ValuePtr create(float value)
+	{
+		return std::make_shared<Decimal>(value);
+	}
+
 	double decimal() const { return m_decimal; }
 
 	WITH_NO_META();

src/blaze/env/environment.cpp

@@ -11,11 +11,11 @@
 #include "ruc/file.h"
 #include "ruc/format/format.h"
 
-#include "ast.h"
-#include "env/environment.h"
-#include "error.h"
-#include "forward.h"
-#include "repl.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/error.h"
+#include "blaze/forward.h"
+#include "blaze/repl.h"
 
 namespace blaze {
 
@@ -79,12 +79,16 @@ EnvironmentPtr Environment::create(const ValuePtr lambda, ValueVector&& argument
 
 void Environment::loadFunctions()
 {
+	s_function_parts.clear();
+	s_lambdas.clear();
+
 	loadCollectionAccess();
 	loadCollectionConstructor();
 	loadCollectionModify();
 	loadCompare();
 	loadConvert();
 	loadFormat();
+	loadMath();
 	loadMeta();
 	loadMutable();
 	loadOperators();

src/blaze/env/environment.h

@@ -11,8 +11,8 @@
 #include <unordered_map>
 #include <vector>
 
-#include "ast.h"
-#include "forward.h"
+#include "blaze/ast.h"
+#include "blaze/forward.h"
 
 namespace blaze {
 
@@ -51,6 +51,7 @@ private:
 	static void loadCompare();
 	static void loadConvert();
 	static void loadFormat();
+	static void loadMath();
 	static void loadMeta();
 	static void loadMutable();
 	static void loadOperators();

src/blaze/env/functions/collection-access.cpp

@@ -7,10 +7,10 @@
 #include <cstddef> // size_t
 #include <memory>  // std:static_pointer_cast
 
-#include "ast.h"
-#include "env/macro.h"
-#include "forward.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/forward.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/collection-constructor.cpp

@@ -7,10 +7,10 @@
 #include <cstddef> // size_t
 #include <memory>  // std:static_pointer_cast
 
-#include "ast.h"
-#include "env/macro.h"
-#include "forward.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/forward.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/collection-modify.cpp

@@ -8,12 +8,12 @@
 #include <cstddef>   // size_t
 #include <memory>    // std::static_pointer_cast
 
-#include "ast.h"
-#include "env/environment.h"
-#include "env/macro.h"
-#include "forward.h"
-#include "repl.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/env/macro.h"
+#include "blaze/forward.h"
+#include "blaze/repl.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/compare.cpp

@@ -8,9 +8,9 @@
 #include <functional> // std::function
 #include <memory>     // std::static_pointer_cast
 
-#include "ast.h"
-#include "env/macro.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/convert.cpp

@@ -8,9 +8,9 @@
 #include <memory>
 #include <system_error> // std::errc
 
-#include "ast.h"
-#include "env/macro.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/format.cpp

@@ -7,13 +7,13 @@
 #include <iterator> // std::next
 #include <string>
 
-#include "reader.h"
 #include "ruc/format/print.h"
 
-#include "ast.h"
-#include "env/macro.h"
-#include "printer.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/printer.h"
+#include "blaze/reader.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/math.cpp

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2023 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <cmath>  // std::sin
+#include <limits> // sdt::numeric_limits
+#include <memory> // std::static_pointer_cast
+
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/util.h"
+
+namespace blaze {
+
+void Environment::loadMath()
+{
+#define MATH_MAX_MIN(variant, limit, operator)                                       \
+	{                                                                                \
+		CHECK_ARG_COUNT_AT_LEAST(#variant, SIZE(), 1);                               \
+                                                                                     \
+		int64_t number = std::numeric_limits<int64_t>::limit();                      \
+		double decimal = std::numeric_limits<double>::limit();                       \
+                                                                                     \
+		for (auto it = begin; it != end; ++it) {                                     \
+			IS_VALUE(Numeric, (*it));                                                \
+			if (is<Number>(it->get())) {                                             \
+				auto it_numeric = std::static_pointer_cast<Number>(*it)->number();   \
+				if (it_numeric operator number) {                                    \
+					number = it_numeric;                                             \
+				}                                                                    \
+			}                                                                        \
+			else {                                                                   \
+				auto it_numeric = std::static_pointer_cast<Decimal>(*it)->decimal(); \
+				if (it_numeric operator decimal) {                                   \
+					decimal = it_numeric;                                            \
+				}                                                                    \
+			}                                                                        \
+		}                                                                            \
+                                                                                     \
+		if (number operator decimal) {                                               \
+			return makePtr<Number>(number);                                          \
+		}                                                                            \
+                                                                                     \
+		return makePtr<Decimal>(decimal);                                            \
+	}
+
+	ADD_FUNCTION(
+		"max", "number...",
+		"Return largest of all arguments, where NUMBER is a number or decimal.",
+		MATH_MAX_MIN(max, lowest, >));
+	ADD_FUNCTION(
+		"min", "number...",
+		"Return smallest of all arguments, where NUMBER is a number or decimal.",
+		MATH_MAX_MIN(min, max, <));
+
+#define MATH_COS_SIN(variant)                                                                                 \
+	{                                                                                                         \
+		CHECK_ARG_COUNT_IS(#variant, SIZE(), 1);                                                              \
+                                                                                                              \
+		auto value = *begin;                                                                                  \
+		IS_VALUE(Numeric, value);                                                                             \
+		if (is<Number>(begin->get())) {                                                                       \
+			return makePtr<Decimal>(std::variant((double)std::static_pointer_cast<Number>(value)->number())); \
+		}                                                                                                     \
+                                                                                                              \
+		return makePtr<Decimal>(std::variant(std::static_pointer_cast<Decimal>(value)->decimal()));           \
+	}
+
+	ADD_FUNCTION(
+		"cos", "arg",
+		"Return the cosine of ARG.",
+		MATH_COS_SIN(cos));
+
+	ADD_FUNCTION(
+		"sin", "arg",
+		"Return the sine of ARG.",
+		MATH_COS_SIN(sin));
+}
+
+} // namespace blaze

src/blaze/env/functions/meta.cpp

@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "ast.h"
-#include "env/macro.h"
-#include "error.h"
-#include "forward.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/error.h"
+#include "blaze/forward.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/mutable.cpp

@@ -7,12 +7,12 @@
 #include <algorithm> // std::copy
 #include <memory>    // std::static_pointer_cast
 
-#include "ast.h"
-#include "env/environment.h"
-#include "env/macro.h"
-#include "forward.h"
-#include "repl.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/env/macro.h"
+#include "blaze/forward.h"
+#include "blaze/repl.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/operators.cpp

@@ -7,9 +7,9 @@
 #include <cstdint> // int64_t
 #include <memory>  // std::static_pointer_cast
 
-#include "ast.h"
-#include "env/macro.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/other.cpp

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2023 Riyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <chrono>     // std::chrono::sytem_clock
+#include <cstdint>    // int64_t
+#include <filesystem> // std::filesystem::current_path
+
+#include "ruc/file.h"
+
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/error.h"
+#include "blaze/forward.h"
+#include "blaze/util.h"
+
+namespace blaze {
+
+void Environment::loadOther()
+{
+	ADD_FUNCTION(
+		"pwd", "",
+		"Return the full filename of the current working directory.",
+		{
+			CHECK_ARG_COUNT_IS("pwd", SIZE(), 0);
+
+			auto path = std::filesystem::current_path().string();
+			return makePtr<String>(path);
+		});
+
+	ADD_FUNCTION(
+		"slurp", "",
+		"Read file contents",
+		{
+			CHECK_ARG_COUNT_IS("slurp", SIZE(), 1);
+
+			VALUE_CAST(node, String, (*begin));
+			std::string path = node->data();
+
+			auto file = ruc::File(path);
+
+			return makePtr<String>(file.data());
+		});
+
+	// -----------------------------------------
+
+	// (throw x)
+	ADD_FUNCTION(
+		"throw", "",
+		"",
+		{
+			CHECK_ARG_COUNT_IS("throw", SIZE(), 1);
+
+			Error::the().add(*begin);
+
+			return nullptr;
+		})
+
+	// -----------------------------------------
+
+	// (time-ms)
+	ADD_FUNCTION(
+		"time-ms", "",
+		"",
+		{
+			CHECK_ARG_COUNT_IS("time-ms", SIZE(), 0);
+
+			int64_t elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
+								  std::chrono::system_clock::now().time_since_epoch())
+		                          .count();
+
+			return makePtr<Number>(elapsed);
+		});
+}
+
+} // namespace blaze

src/blaze/env/functions/predicate.cpp

@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "ast.h"
-#include "env/macro.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/env/functions/repl.cpp

@@ -6,12 +6,10 @@
 
 #include <string>
 
-#include "ruc/file.h"
-
-#include "ast.h"
-#include "env/macro.h"
-#include "repl.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/macro.h"
+#include "blaze/repl.h"
+#include "blaze/util.h"
 
 namespace blaze {
 
@@ -31,22 +29,6 @@ void Environment::loadRepl()
 			return Repl::read(input);
 		});
 
-	// Read file contents
-	ADD_FUNCTION(
-		"slurp",
-		"",
-		"",
-		{
-			CHECK_ARG_COUNT_IS("slurp", SIZE(), 1);
-
-			VALUE_CAST(node, String, (*begin));
-			std::string path = node->data();
-
-			auto file = ruc::File(path);
-
-			return makePtr<String>(file.data());
-		});
-
 	// Prompt readline
 	ADD_FUNCTION(
 		"readline",

src/blaze/env/macro.h

@@ -4,15 +4,19 @@
  * SPDX-License-Identifier: MIT
  */
 
+#pragma once
+
+#include <iterator> // std::distance
 #include <unordered_map>
 
-#include "env/environment.h"
+#include "blaze/env/environment.h"
+#include "blaze/forward.h"
 
 #define ADD_FUNCTION(name, signature, documentation, lambda) \
-	Environment::registerFunction(                           \
+	blaze::Environment::registerFunction(                    \
 		{ name,                                              \
 	      signature,                                         \
 	      documentation,                                     \
-	      [](ValueVectorConstIt begin, ValueVectorConstIt end) -> blaze::ValuePtr lambda });
+	      [](blaze::ValueVectorConstIt begin, blaze::ValueVectorConstIt end) -> blaze::ValuePtr lambda });
 
 #define SIZE() std::distance(begin, end)

src/blaze/error.h

@@ -10,8 +10,8 @@
 
 #include "ruc/singleton.h"
 
-#include "forward.h"
-#include "lexer.h"
+#include "blaze/forward.h"
+#include "blaze/lexer.h"
 
 namespace blaze {
 

src/blaze/eval-special-form.cpp

@@ -16,16 +16,16 @@
 #include "ruc/format/format.h"
 #include "ruc/format/print.h"
 
-#include "ast.h"
-#include "env/environment.h"
-#include "error.h"
-#include "eval.h"
-#include "forward.h"
-#include "macro.h"
-#include "printer.h"
-#include "settings.h"
-#include "types.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/error.h"
+#include "blaze/eval.h"
+#include "blaze/forward.h"
+#include "blaze/macro.h"
+#include "blaze/printer.h"
+#include "blaze/settings.h"
+#include "blaze/types.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/eval.cpp

@@ -10,13 +10,13 @@
 #include <span>   // std::span
 #include <string>
 
-#include "ast.h"
-#include "env/environment.h"
-#include "error.h"
-#include "eval.h"
-#include "forward.h"
-#include "types.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/env/environment.h"
+#include "blaze/error.h"
+#include "blaze/eval.h"
+#include "blaze/forward.h"
+#include "blaze/types.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/eval.h

@@ -8,7 +8,7 @@
 
 #include <vector>
 
-#include "forward.h" // EnvironmentPtr
+#include "blaze/forward.h" // EnvironmentPtr
 
 namespace blaze {
 

src/blaze/forward.h

@@ -15,7 +15,9 @@ namespace blaze {
 // Types
 
 class Value;
+class HashMap;
 typedef std::shared_ptr<Value> ValuePtr;
+typedef std::shared_ptr<HashMap> HashMapPtr;
 typedef std::vector<ValuePtr> ValueVector;
 typedef ValueVector::iterator ValueVectorIt;
 typedef ValueVector::reverse_iterator ValueVectorReverseIt;

src/blaze/lexer.cpp

@@ -11,8 +11,8 @@
 #include "ruc/format/print.h"
 #include "ruc/genericlexer.h"
 
-#include "error.h"
-#include "lexer.h"
+#include "blaze/error.h"
+#include "blaze/lexer.h"
 
 namespace blaze {
 

src/blaze/macro.h

@@ -4,7 +4,9 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "eval.h"
+#pragma once
+
+#include "blaze/eval.h"
 
 #define CONCAT(a, b) CONCAT_IMPL(a, b)
 #define CONCAT_IMPL(a, b) a##b

src/blaze/printer.cpp

@@ -11,13 +11,13 @@
 #include "ruc/format/color.h"
 #include "ruc/format/format.h"
 
-#include "ast.h"
-#include "error.h"
-#include "lexer.h"
-#include "printer.h"
-#include "settings.h"
-#include "types.h"
-#include "util.h"
+#include "blaze/ast.h"
+#include "blaze/error.h"
+#include "blaze/lexer.h"
+#include "blaze/printer.h"
+#include "blaze/settings.h"
+#include "blaze/types.h"
+#include "blaze/util.h"
 
 namespace blaze {
 

src/blaze/printer.h

@@ -6,9 +6,10 @@
 
 #pragma once
 
-#include "ast.h"
 #include <string>
 
+#include "blaze/ast.h"
+
 namespace blaze {
 
 // Serializer -> return to string

src/blaze/reader.cpp

@@ -12,14 +12,14 @@
 #include <system_error> // std::errc
 #include <utility>      // std::move
 
-#include "error.h"
 #include "ruc/format/color.h"
 #include "ruc/meta/assert.h"
 
-#include "ast.h"
-#include "reader.h"
-#include "settings.h"
-#include "types.h"
+#include "blaze/ast.h"
+#include "blaze/error.h"
+#include "blaze/reader.h"
+#include "blaze/settings.h"
+#include "blaze/types.h"
 
 namespace blaze {
 

src/blaze/reader.h

@@ -10,8 +10,8 @@
 #include <memory>  // std::shared_ptr
 #include <vector>
 
-#include "ast.h"
-#include "lexer.h"
+#include "blaze/ast.h"
+#include "blaze/lexer.h"
 
 #define INDENTATION_WIDTH 2
 

src/blaze/readline.cpp

@@ -15,7 +15,7 @@
 #include "ruc/format/color.h"
 #include "ruc/format/print.h"
 
-#include "readline.h"
+#include "blaze/readline.h"
 
 namespace blaze {
 

src/blaze/repl.cpp

@@ -11,26 +11,32 @@
 
 #include "ruc/format/print.h"
 
-#include "env/environment.h"
-#include "error.h"
-#include "eval.h"
-#include "forward.h"
-#include "lexer.h"
-#include "printer.h"
-#include "reader.h"
-#include "readline.h"
-#include "repl.h"
-#include "settings.h"
+#include "blaze/env/environment.h"
+#include "blaze/error.h"
+#include "blaze/eval.h"
+#include "blaze/forward.h"
+#include "blaze/lexer.h"
+#include "blaze/printer.h"
+#include "blaze/reader.h"
+#include "blaze/readline.h"
+#include "blaze/repl.h"
+#include "blaze/settings.h"
 
 namespace blaze {
 
 Readline g_readline;
-EnvironmentPtr g_outer_env = Environment::create();
+EnvironmentPtr g_outer_env;
 
-auto Repl::cleanup(int signal) -> void
+auto Repl::init() -> void
 {
-	::print("\033[0m\n");
-	std::exit(signal);
+	g_outer_env = Environment::create();
+	Environment::loadFunctions();
+	Environment::installFunctions(g_outer_env);
+}
+
+auto Repl::cleanup() -> void
+{
+	g_outer_env = nullptr;
 }
 
 auto Repl::readline(const std::string& prompt) -> ValuePtr

src/blaze/repl.h

@@ -10,14 +10,16 @@
 #include <string_view>
 #include <vector>
 
-#include "forward.h"
-#include "readline.h"
+#include "blaze/forward.h"
+#include "blaze/readline.h"
 
 namespace blaze {
 
 class Repl {
 public:
-	static auto cleanup(int signal) -> void;
+	static auto init() -> void;
+	static auto cleanup() -> void;
+
 	static auto eval(ValuePtr ast, EnvironmentPtr env) -> ValuePtr;
 	static auto makeArgv(EnvironmentPtr env, std::vector<std::string> arguments) -> void;
 	static auto print(ValuePtr value) -> std::string;

src/blaze/settings.cpp

@@ -8,10 +8,10 @@
 
 #include "ruc/meta/assert.h"
 
-#include "env/environment.h"
-#include "forward.h"
-#include "settings.h"
-#include "types.h"
+#include "blaze/env/environment.h"
+#include "blaze/forward.h"
+#include "blaze/settings.h"
+#include "blaze/types.h"
 
 namespace blaze {
 

src/blaze/to-from-hashmap.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2023 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include <utility> // std::forward
+
+#include "ruc/meta/odr.h"
+
+namespace blaze {
+
+namespace detail {
+
+// struct hashMapConstructor {
+// 	template<typename HashMap>
+// 	static void construct(HashMap& hash_map, bool boolean)
+// 	{
+// 		//..
+// 	}
+// };
+
+// template<typename HashMap, typename T>
+// void toHashMap(HashMap& hash_map, const T& value)
+// {
+// 	hashMapConstructor::construct(hash_map, value);
+// }
+
+struct toHashMapFunction {
+	template<typename HashMapPtr, typename T>
+	auto operator()(HashMapPtr& hash_map, T&& value) const
+	{
+		return to_hash_map(hash_map, std::forward<T>(value));
+	}
+};
+
+} // namespace detail
+
+// Anonymous namespace prevents multiple definition of the reference
+namespace {
+// Function object
+constexpr const auto& to_hash_map = ruc::detail::staticConst<detail::toHashMapFunction>; // NOLINT(misc-definitions-in-headers,clang-diagnostic-unused-variable)
+} // namespace
+
+} // namespace blaze
+
+// Customization Points
+// https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html
+
+// blaze::to_hash_map is a function object, the type of which is
+// blaze::detail::toHashMapFunction. In the blaze::detail namespace are the to_hash_map
+// free functions. The function call operator of toHashMapFunction makes an
+// unqualified call to to_hash_map which, since it shares the detail namespace with
+// the to_hash_map free functions, will consider those in addition to any overloads
+// that are found by argument-dependent lookup.
+
+// Variable templates are linked externally, therefor every translation unit
+// will see the same address for detail::staticConst<detail::toHashMapFunction>.
+// Since blaze::to_hash_map is a reference to the variable template, it too will have
+// the same address in all translation units.

src/blaze/util.h

@@ -10,8 +10,8 @@
 #include <string>
 #include <string_view>
 
-#include "error.h"
-#include "types.h"
+#include "blaze/error.h"
+#include "blaze/types.h"
 
 // -----------------------------------------
 
@@ -36,7 +36,7 @@
 
 #define CHECK_ARG_COUNT_IS_IMPL(name, size, expected, result)                               \
 	if (size != expected) {                                                                 \
-		Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
+		blaze::Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
 		return result;                                                                      \
 	}
 
@@ -54,7 +54,7 @@
 
 #define CHECK_ARG_COUNT_AT_LEAST_IMPL(name, size, min, result)                              \
 	if (size < min) {                                                                       \
-		Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
+		blaze::Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
 		return result;                                                                      \
 	}
 
@@ -72,7 +72,7 @@
 
 #define CHECK_ARG_COUNT_BETWEEN_IMPL(name, size, min, max, result)                          \
 	if (size < min || size > max) {                                                         \
-		Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
+		blaze::Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
 		return result;                                                                      \
 	}
 
@@ -90,7 +90,7 @@
 
 #define CHECK_ARG_COUNT_EVEN_IMPL(name, size, result)                                       \
 	if (size % 2 != 0) {                                                                    \
-		Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
+		blaze::Error::the().add(::format("wrong number of arguments: {}, {}", name, size)); \
 		return result;                                                                      \
 	}
 
@@ -108,7 +108,7 @@
 
 #define IS_VALUE_IMPL(type, value, result)                                              \
 	if (!is<type>(value.get())) {                                                       \
-		Error::the().add(::format("wrong argument type: {}, {}", #type, value)); \
+		blaze::Error::the().add(::format("wrong argument type: {}, {}", #type, value)); \
 		return result;                                                                  \
 	}
 

src/env/functions/other.cpp

@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2023 Riyi
- *
- * SPDX-License-Identifier: MIT
- */
-
-#include <chrono>  // std::chrono::sytem_clock
-#include <cstdint> // int64_t
-
-#include "ast.h"
-#include "env/macro.h"
-#include "error.h"
-#include "forward.h"
-#include "util.h"
-
-namespace blaze {
-
-void Environment::loadOther()
-{
-	// (throw x)
-	ADD_FUNCTION(
-		"throw",
-		"",
-		"",
-		{
-			CHECK_ARG_COUNT_IS("throw", SIZE(), 1);
-
-			Error::the().add(*begin);
-
-			return nullptr;
-		})
-
-	// -----------------------------------------
-
-	// (time-ms)
-	ADD_FUNCTION(
-		"time-ms",
-		"",
-		"",
-		{
-			CHECK_ARG_COUNT_IS("time-ms", SIZE(), 0);
-
-			int64_t elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
-								  std::chrono::system_clock::now().time_since_epoch())
-		                          .count();
-
-			return makePtr<Number>(elapsed);
-		});
-}
-
-} // namespace blaze