gavinhoward · SamuelMarks · Aug 17, 2023 · Aug 17, 2023 · Aug 18, 2023 · Aug 19, 2023
diff --git a/.gitignore b/.gitignore
@@ -5,6 +5,7 @@
 *.creator.user*
 *.cflags
 *.cxxflags
+*build*
 bin/*bc
 bin/*bc.exe
 bin/*dc
@@ -78,6 +79,8 @@ core.*
 cscope*.out
 tags
 
+.idea
+
 *.vcxproj.user
 vs/.vs/*
 vs/bin/*

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -0,0 +1,123 @@
+cmake_minimum_required(VERSION 3.11)
+
+project(bc VERSION 6.6.0 LANGUAGES C)
+
+set(CMAKE_C_STANDARD 90)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+add_library("${PROJECT_NAME}_compiler_flags" INTERFACE)
+
+if (NOT DEFINED MSVC_VERSION
+        OR MSVC_VERSION STRGREATER "1900" # 2015
+        OR NOT (CMAKE_C_COMPILER_ID STREQUAL "OpenWatcom"))
+    target_compile_features("${PROJECT_NAME}_compiler_flags" INTERFACE "c_std_${CMAKE_C_STANDARD}")
+endif ()
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
+    # add compiler warning flags just when building this project via
+    # the BUILD_INTERFACE genex
+    set(gcc_like "$<COMPILE_LANG_AND_ID:C,CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
+    set(msvc "$<COMPILE_LANG_AND_ID:C,CXX,MSVC>")
+    target_compile_options(
+            "${PROJECT_NAME}_compiler_flags"
+            INTERFACE
+            "$<${gcc_like}:$<BUILD_INTERFACE:-Wshadow;-Wformat=2;-Wall;-pedantic>>"
+            "$<${msvc}:$<BUILD_INTERFACE:-W3;-WX;-Zi;-permissive->>"
+    )
+endif (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
+# Set the build directories
+if (CMAKE_SYSTEM_NAME STREQUAL "Windows"
+        OR CMAKE_SYSTEM_NAME STREQUAL "CYGWIN"
+        OR CMAKE_SYSTEM_NAME MATCHES "MINGW.*")
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+else ()
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
+endif ()
+
+if (CMAKE_GENERATOR MATCHES "Visual Studio 8 2005.*")
+    set(COMPILE_LANG_AND_ID "MSVC")
+else ()
+    set(CMAKE_C_VISIBILITY_PRESET hidden)
+    set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+    set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
+
+    target_compile_features("${PROJECT_NAME}_compiler_flags" INTERFACE "c_std_${CMAKE_C_STANDARD}")
+
+    # add compiler warning flags just when building this project via
+    # the BUILD_INTERFACE genex
+    set(gcc_like "$<COMPILE_LANG_AND_ID:C,CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
+    set(msvc "$<COMPILE_LANG_AND_ID:C,CXX,MSVC>")
+    target_compile_options(
+            "${PROJECT_NAME}_compiler_flags"
+            INTERFACE
+            "$<${gcc_like}:$<BUILD_INTERFACE:-Wshadow;-Wformat=2;-Wall;-pedantic>>"
+            "$<${msvc}:$<BUILD_INTERFACE:-W3;-WX;-Zi;-permissive->>"
+    )
+endif ()
+
+include(CheckSymbolExists)
+check_symbol_exists(BCryptGenRandom "windows.h;bcrypt.h" HAVE_BCRYPT)
+
+# configure a header file to pass the version number and exist flags only
+configure_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in"
+        "${PROJECT_NAME}Config.h"
+)
+
+#===============================================================================
+# 4. ADD SUB-TARGETS
+# Doing this at the end so that all definitions and link/include paths are
+# available for the sub-projects.
+#===============================================================================
+add_subdirectory("src")
+
+###########
+# Install #
+###########
+
+include(GNUInstallDirs)
+
+install(
+        FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.h"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+include(InstallRequiredSystemLibraries)
+set(CPACK_BUNDLE_NAME "${PROJECT_NAME}")
+set(CPACK_PACKAGE_VENDOR "Gavin Howard")
+set(CPACK_PACKAGE_DESCRIPTION "This is an implementation of the POSIX `bc` calculator")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
+if (APPLE)
+    set(CPACK_BUNDLE_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_BUNDLE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CustomVolumeIcon.icns")
+endif (APPLE)
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/LICENSE.md")
+set(CPACK_PACKAGE_VERSION_MAJOR "${${PROJECT_NAME}_VERSION_MAJOR}")
+set(CPACK_PACKAGE_VERSION_MINOR "${${PROJECT_NAME}_VERSION_MINOR}")
+set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/cmake/README.txt")
+set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Welcome.txt")
+set(CPACK_PACKAGE_CONTACT "https://github.com/gavinhoward/bc")
+
+include(CPack)
+include(CMakePackageConfigHelpers)
+
+# generate the config file that is includes the exports
+configure_package_config_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}"
+        NO_SET_AND_CHECK_MACRO
+        NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+# generate the version file for the config file
+write_basic_package_version_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+        VERSION "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}"
+        COMPATIBILITY AnyNewerVersion
+)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")
diff --git a/bcl.pc.in b/bcl.pc.in
@@ -2,7 +2,7 @@ includedir=%%INCLUDEDIR%%
 libdir=%%LIBDIR%%
 
 Name: bcl
-Description: Implemention of arbitrary-precision math from the bc calculator.
+Description: Implementation of arbitrary-precision math from the bc calculator.
 Version: %%VERSION%%
 Cflags: -I${includedir}
 Libs: -L${libdir} -lbcl
diff --git a/cmake/BundleIcon.icns b/cmake/BundleIcon.icns
diff --git a/cmake/CTestConfig.cmake b/cmake/CTestConfig.cmake
@@ -0,0 +1,7 @@
+set(CTEST_PROJECT_NAME "bc")
+set(CTEST_NIGHTLY_START_TIME "00:00:00 EST")
+
+set(CTEST_DROP_METHOD "http")
+set(CTEST_DROP_SITE "my.cdash.org")
+set(CTEST_DROP_LOCATION "/submit.php?project=bc")
+set(CTEST_DROP_SITE_CDASH TRUE)
diff --git a/cmake/Config.cmake.in b/cmake/Config.cmake.in
@@ -0,0 +1,4 @@
+
+@PACKAGE_INIT@
+
+include ( "${CMAKE_CURRENT_LIST_DIR}/bcTargets.cmake" )
diff --git a/cmake/CustomVolumeIcon.icns b/cmake/CustomVolumeIcon.icns
diff --git a/cmake/Info.plist b/cmake/Info.plist
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleExecutable</key>
+		<string>BundleGeneratorTest</string>
+		<key>CFBundleIconFile</key>
+		<string>BundleGeneratorTest.icns</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>APPL</string>
+	</dict>
+</plist>
diff --git a/cmake/MultiCPackConfig.cmake b/cmake/MultiCPackConfig.cmake
@@ -0,0 +1,6 @@
+include("release/CPackConfig.cmake")
+
+set(CPACK_INSTALL_CMAKE_PROJECTS
+        "debug;bc;ALL;/"
+        "release;bc;ALL;/"
+)
diff --git a/cmake/README.txt b/cmake/README.txt
@@ -0,0 +1,5 @@
+bc
+
+This is an implementation of the [POSIX `bc` calculator][12] that implements
+[GNU `bc`][1] extensions, as well as the period (`.`) extension for the BSD
+flavor of `bc`.
diff --git a/cmake/Welcome.txt b/cmake/Welcome.txt
@@ -0,0 +1 @@
+This installs bc.
diff --git a/cmake/config.h.in b/cmake/config.h.in
@@ -0,0 +1,11 @@
+#ifndef BC_CONFIG_H
+#define BC_CONFIG_H
+
+#define BC_VERSION_MAJOR @bc_VERSION_MAJOR@
+#define BC_VERSION_MINOR @bc_VERSION_MINOR@
+#define BC_VERSION_PATCH @bc_VERSION_PATCH@
+#define BC_VERSION       "@bc_VERSION@"
+#cmakedefine HAVE_BCRYPT
+
+
+#endif /* !BC_CONFIG_H */
diff --git a/include/bc.h b/include/bc.h
@@ -44,24 +44,25 @@
 #include <status.h>
 #include <lex.h>
 #include <parse.h>
+#include "bc_export.h"
 
 /**
  * The main function for bc. It just sets variables and passes its arguments
  * through to @a bc_vm_boot().
  */
-void
+extern BCL_EXPORT void
 bc_main(int argc, char* argv[]);
 
 // These are references to the help text, the library text, and the "filename"
 // for the library.
-extern const char bc_help[];
-extern const char bc_lib[];
-extern const char* bc_lib_name;
+extern BCL_EXPORT const char bc_help[];
+extern BCL_EXPORT const char bc_lib[];
+extern BCL_EXPORT const char* bc_lib_name;
 
 // These are references to the second math library and its "filename."
 #if BC_ENABLE_EXTRA_MATH
-extern const char bc_lib2[];
-extern const char* bc_lib2_name;
+extern BCL_EXPORT const char bc_lib2[];
+extern BCL_EXPORT const char* bc_lib2_name;
 #endif // BC_ENABLE_EXTRA_MATH
 
 /**
@@ -411,7 +412,7 @@ bc_parse_parse(BcParse* p);
  * function definition, we know we can add an empty else clause.
  * @param p  The parser.
  */
-void
+extern BCL_EXPORT void
 bc_parse_endif(BcParse* p);
 
 /// References to the signal message and its length.

diff --git a/include/dc.h b/include/dc.h
@@ -46,7 +46,7 @@
  * The main function for dc. It just sets variables and passes its arguments
  * through to @a bc_vm_boot().
  */
-void
+extern BCL_EXPORT void
 dc_main(int argc, char* argv[]);
 
 // A reference to the dc help text.

diff --git a/include/history.h b/include/history.h
@@ -79,6 +79,8 @@
 #ifndef BC_HISTORY_H
 #define BC_HISTORY_H
 
+#include "bc_export.h"
+
 // These must come before the #if BC_ENABLE_LINE_LIB below because status.h
 // defines it.
 #include <status.h>
@@ -340,7 +342,7 @@ typedef struct BcHistory
  * Frees strings used by history.
  * @param str  The string to free.
  */
-void
+extern BCL_EXPORT void
 bc_history_string_free(void* str);
 
 // A list of terminals that don't work.
@@ -393,21 +395,21 @@ bc_history_printKeyCodes(BcHistory* h);
  *                leave the terminal in raw mode or in some other half-baked
  *                state.
  */
-BcStatus
+extern BCL_EXPORT BcStatus
 bc_history_line(BcHistory* h, BcVec* vec, const char* prompt);
 
 /**
  * Initialize history data.
  * @param h  The struct to initialize.
  */
-void
+extern BCL_EXPORT void
 bc_history_init(BcHistory* h);
 
 /**
  * Free history data (and recook the terminal).
  * @param h  The struct to free.
  */
-void
+extern BCL_EXPORT void
 bc_history_free(BcHistory* h);
 
 #endif // BC_ENABLE_HISTORY

diff --git a/include/read.h b/include/read.h
@@ -40,6 +40,7 @@
 
 #include <status.h>
 #include <vector.h>
+#include "bc_export.h"
 
 /**
  * Returns true if @a c is a non-ASCII (invalid) char.
@@ -53,7 +54,7 @@
  * @param vec     The vector to put the stdin data into.
  * @param prompt  The prompt to print, if desired.
  */
-BcStatus
+extern BCL_EXPORT BcStatus
 bc_read_line(BcVec* vec, const char* prompt);
 
 /**

diff --git a/include/vm.h b/include/vm.h
@@ -146,6 +146,14 @@
 /// The flag for the global stacks option.
 #define BC_FLAG_G (UINTMAX_C(1) << 4)
 
+/**
+ * Loads a math library.
+ * @param name  The name of the library.
+ * @param text  The text of the source code.
+ */
+extern BCL_EXPORT void
+bc_vm_load(const char* name, const char* text);
+
 #endif // BC_ENABLED
 
 /// The flag for quiet, though this one is reversed; the option clears the flag.
@@ -792,7 +800,7 @@ bc_vm_info(const char* const help);
  * @param argc  The count of arguments.
  * @param argv  The argument array.
  */
-void
+extern BCL_EXPORT void
 bc_vm_boot(int argc, char* argv[]);
 
 /**
@@ -805,7 +813,7 @@ bc_vm_init(void);
 /**
  * Frees the BcVm global.
  */
-void
+extern BCL_EXPORT void
 bc_vm_shutdown(void);
 
 /**