See issue #76: Pulling over code from other, oolder branch

examples/cc/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.19)
+
+project(pantscc
+    LANGUAGES
+        C CXX
+    VERSION
+        0.0.1
+)
+
+set(CMAKE_VERBOSE_MAKEFILE TRUE)
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) 
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS OFF)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON) # Don't fallback if CXX_STANDARD not found
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+add_subdirectory(app)
+add_subdirectory(core)
+add_subdirectory(trivialc)
+add_subdirectory(trivialcpp)

examples/cc/app/CMakeLists.txt

@@ -0,0 +1,21 @@
+set(MODULE_NAME "app")
+set(EXECUTABLE_NAME "${PROJECT_NAME}-${MODULE_NAME}")
+
+project(${EXECUTABLE_NAME})
+
+add_executable(${EXECUTABLE_NAME})
+target_sources(${EXECUTABLE_NAME}
+    PRIVATE
+        src/foo.c
+        src/main.cpp
+)
+
+target_compile_options(${EXECUTABLE_NAME}
+    PRIVATE 
+        -Wall -Wextra  -Wno-c++98-compat
+)
+
+target_link_libraries(${EXECUTABLE_NAME}
+    PRIVATE
+        pantscc-core
+)

examples/cc/app/src/BUILD.pants

@@ -0,0 +1,6 @@
+cc_sources(name="sources")
+
+cc_binary(
+    name="exe",
+    dependencies=[":sources"]
+)

examples/cc/app/src/foo.c

@@ -0,0 +1,6 @@
+#include "foo.h"
+
+int add(int a, int b)
+{
+    return a + b;
+}

examples/cc/app/src/foo.h

@@ -0,0 +1,13 @@
+#ifndef FOO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif //__cplusplus
+
+#endif

examples/cc/app/src/main.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+
+#include "core/greeter.h"
+#include "foo.h"
+
+int main()
+{
+    int result = add(1, 2);
+    greet();
+    std::cout << "Hello, C++ world! " << result << std::endl;
+    return 0;
+}

examples/cc/core/BUILD.pants

@@ -0,0 +1,4 @@
+cc_binary(
+    name="tests",
+    dependencies=["./src:sources", "./tests:tests"]
+)

examples/cc/core/CMakeLists.txt

@@ -0,0 +1,22 @@
+set(MODULE_NAME "core")
+set(LIBRARY_NAME "${PROJECT_NAME}-${MODULE_NAME}")
+
+project(${LIBRARY_NAME})
+
+add_library(${LIBRARY_NAME} STATIC)
+target_sources(${LIBRARY_NAME}
+    PRIVATE
+        src/greeter.c
+)
+
+target_include_directories(${LIBRARY_NAME}
+    PUBLIC
+        include
+)
+
+target_compile_options(${LIBRARY_NAME}
+    PRIVATE 
+        -Wall -Wextra  -Wno-c++98-compat
+)
+
+

examples/cc/core/include/core/BUILD.pants

@@ -0,0 +1 @@
+cc_sources()

examples/cc/core/include/core/greeter.h

@@ -0,0 +1,15 @@
+#ifndef CORE_GREETER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void greet(void);
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif //__cplusplus
+
+#endif // CORE_GREETER_H

examples/cc/core/src/BUILD.pants

@@ -0,0 +1,3 @@
+cc_sources(
+    name="sources"
+)

examples/cc/core/src/greeter-private.h

@@ -0,0 +1,6 @@
+#ifndef CORE_GREETER_PRIVATE_H
+
+// This file only exists to ensure that private and exported headers can work together
+char greetingSymbol(void);
+
+#endif // CORE_GREETER_PRIVATE_H

examples/cc/core/src/greeter.c

@@ -0,0 +1,22 @@
+#include "core/greeter.h"
+
+#include "greeter-private.h"
+#include <stdio.h>
+
+// Declared in core/greeter.h
+void greet(void)
+{
+    char symbol = greetingSymbol();
+    printf("Greetings, world%c", symbol);
+}
+
+int add(int a, int b)
+{
+    return a + b;
+}
+
+// Declared in greeter-private.h
+char greetingSymbol(void)
+{
+    return '!';
+}

examples/cc/core/tests/BUILD.pants

@@ -0,0 +1,3 @@
+cc_sources(
+    name="tests"
+)