Merge pull request #87 from TheJJ/dict-abstract-optional-inf-children

new features: dict, abstract, optional, children and infinity

.gitignore

@@ -24,12 +24,17 @@ __pycache__
 /bin
 /.bin
 /build
+/compile_commands.json
 
 # debugging
 callgrind.out.*
 perf.data*
 .gdb_history
 
+# IDE stuff
+/.cache
+/.dir-locals.el
+
 # cmake in-source builds
 /DartConfiguration.tcl
 /Testing

CMakeLists.txt

@@ -1,4 +1,4 @@
-# Copyright 2017-2017 the nyan authors. See copying.md for legal info.
+# Copyright 2017-2021 the nyan authors. See copying.md for legal info.
 
 # main nyan build configuration file
 
@@ -36,7 +36,7 @@ project(nyan VERSION ${nyan_VERSION} LANGUAGES CXX)
 set(nyan_exports_name "nyanTargets")
 
 # C++ standard requirement
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # CMake policies

README.md

@@ -21,7 +21,7 @@ The foundation of **nyan**:
 
 Technology             | Component
 -----------------------|----------
-**C++17**              | nyan core
+**C++20**              | nyan core
 **Flex**               | Tokenizer generator
 **CMake**              | Build "system"
 **Humans**             | Doing it wrong all the time

doc/member_types.md

@@ -348,6 +348,8 @@ the set type.
 
 `set` does not preserve the input order of items.
 
+A `set` element type can't be optional.
+
 
 ```python
 OtherObject():
@@ -420,6 +422,7 @@ the set type.
 
 `orderedset` does preserve the input order of items.
 
+The `orderedset` element type can't be optional.
 
 ```python
 OtherObject():
@@ -486,6 +489,9 @@ A member with type `dict` can store a collection of key-value pairs.
 Both the key type and value type must be specified during the member declaration.
 Dicts cannot contain items with duplicate keys. They can be empty.
 
+Dict keys can't be `optional`.
+
+
 ```python
 OtherObject():
     pass

kevinfile

@@ -4,8 +4,10 @@
 #
 
 configure:
+	- env: compiler=g++                           (? if job == "debian" ?)
+	- env: compiler=clang++                       (? if job == "debian-clang" ?)
 	mkdir build
-	cd build && cmake ..
+	cd build && cmake .. -DCMAKE_CXX_COMPILER=${compiler}
 
 build: configure
 	- cwd: build/

nyan/CMakeLists.txt

@@ -65,9 +65,13 @@ add_library(nyan SHARED
 	transaction.cpp
 	type.cpp
 	util.cpp
+	util/flags.cpp
+	value_token.cpp
 	value/boolean.cpp
 	value/container.cpp
+	value/dict.cpp
 	value/file.cpp
+	value/none.cpp
 	value/number.cpp
 	value/object.cpp
 	value/orderedset.cpp
@@ -119,7 +123,7 @@ install(
 	EXPORT ${nyan_exports_name}
 	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-	RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 
 # install headers

nyan/api_error.cpp

@@ -1,4 +1,4 @@
-// Copyright 2019-2019 the nyan authors, LGPLv3+. See copying.md for legal info.
+// Copyright 2019-2021 the nyan authors, LGPLv3+. See copying.md for legal info.
 
 #include "api_error.h"
 
@@ -7,41 +7,37 @@
 
 namespace nyan {
 
-APIError::APIError(const std::string &msg)
-	:
+APIError::APIError(const std::string &msg) :
 	Error{msg} {}
 
 
-InvalidObjectError::InvalidObjectError()
-	:
+InvalidObjectError::InvalidObjectError() :
 	APIError("uninitialized object was used") {}
 
 
-MemberTypeError::MemberTypeError(const fqon_t &objname, const memberid_t &member,
-                                 const std::string &real_type, const std::string &wrong_type)
-	:
-	APIError{
-	(static_cast<const std::ostringstream&>(
-		std::ostringstream{} << "type mismatch for member " << objname + "." << member
-		<< ": tried to convert real type " << real_type << " to " << wrong_type)
-	).str()},
-	name{objname},
+MemberTypeError::MemberTypeError(const fqon_t &objname,
+                                 const memberid_t &member,
+                                 const std::string &real_type,
+                                 const std::string &wrong_type) :
+	APIError{(static_cast<const std::ostringstream &>(
+		          std::ostringstream{} << "type mismatch for member " << objname + "." << member
+		          << ": tried to convert real type " << real_type << " to " << wrong_type))
+	.str()},
+	objname{objname},
 	member{member},
 	real_type{real_type},
 	wrong_type{wrong_type} {}
 
 
-ObjectNotFoundError::ObjectNotFoundError(const fqon_t &obj_name)
-	:
+ObjectNotFoundError::ObjectNotFoundError(const fqon_t &obj_name) :
 	APIError{"object not found: " + obj_name},
-	name{obj_name} {}
+	objname{obj_name} {}
 
 
 MemberNotFoundError::MemberNotFoundError(const fqon_t &obj_name,
-                                         const memberid_t &member_name)
-	:
+                                         const memberid_t &member_name) :
 	APIError{"Could not find member " + obj_name + "." + member_name},
-	obj_name{obj_name},
+	objname{obj_name},
 	name{member_name} {}
 
 } // namespace nyan

nyan/api_error.h

@@ -1,4 +1,4 @@
-// Copyright 2019-2019 the nyan authors, LGPLv3+. See copying.md for legal info.
+// Copyright 2019-2021 the nyan authors, LGPLv3+. See copying.md for legal info.
 #pragma once
 
 #include "error.h"
@@ -35,9 +35,24 @@ class MemberTypeError : public APIError {
 	                const std::string &real_type, const std::string &wrong_type);
 
 protected:
-	fqon_t name;
+	/**
+	 * Name (identifier) of the object the member is part of.
+	 */
+	fqon_t objname;
+
+	/**
+	 * Name (identifier) of the member.
+	 */
 	memberid_t member;
+
+	/**
+	 * Type that the member should have assigned.
+	 */
 	std::string real_type;
+
+	/**
+	 * Type that the member has actually assigned.
+	 */
 	std::string wrong_type;
 };
 
@@ -50,7 +65,10 @@ class ObjectNotFoundError : public APIError {
 	ObjectNotFoundError(const fqon_t &objname);
 
 protected:
-	fqon_t name;
+	/**
+	 * Name (identifier) of the object.
+	 */
+	fqon_t objname;
 };
 
 
@@ -63,7 +81,14 @@ class MemberNotFoundError : public APIError {
 	                    const memberid_t &membername);
 
 protected:
-	fqon_t obj_name;
+	/**
+	 * Name (identifier) of the object the member is part of.
+	 */
+	fqon_t objname;
+
+	/**
+	 * Name (identifier) of the member.
+	 */
 	memberid_t name;
 };