Initial commit

9 files changed, 340 insertions, 0 deletions

diff --git a/.cproject b/.cproject
new file mode 100644
index 0000000..f19a1f4
--- /dev/null
+++ b/.cproject
@@ -0,0 +1,126 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
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+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.GNU_ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.exe.debug.1722717719" name="Debug" parent="cdt.managedbuild.config.gnu.exe.debug">
+					<folderInfo id="cdt.managedbuild.config.gnu.exe.debug.1722717719." name="/" resourcePath="">
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+							<targetPlatform id="cdt.managedbuild.target.gnu.platform.exe.debug.2071864214" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.exe.debug"/>
+							<builder autoBuildTarget="all" buildPath="${workspace_loc:/cpp_basics}/Debug" cleanBuildTarget="clean" id="org.eclipse.cdt.build.core.internal.builder.1470606419" incrementalBuildTarget="all" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="CDT Internal Builder" superClass="org.eclipse.cdt.build.core.internal.builder"/>
+							<tool id="cdt.managedbuild.tool.gnu.archiver.base.646341821" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
+							<tool id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.778351646" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
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+							<tool id="cdt.managedbuild.tool.gnu.cpp.linker.exe.release.102714458" name="GCC C++ Linker" superClass="cdt.managedbuild.tool.gnu.cpp.linker.exe.release">
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diff --git a/.externalToolBuilders/org.eclipse.cdt.core.cBuilder.launch b/.externalToolBuilders/org.eclipse.cdt.core.cBuilder.launch
new file mode 100644
index 0000000..d8b1ede
--- /dev/null
+++ b/.externalToolBuilders/org.eclipse.cdt.core.cBuilder.launch
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
+    <booleanAttribute key="org.eclipse.ui.externaltools.ATTR_BUILDER_ENABLED" value="false"/>
+    <stringAttribute key="org.eclipse.ui.externaltools.ATTR_DISABLED_BUILDER" value="org.eclipse.cdt.core.cBuilder"/>
+    <mapAttribute key="org.eclipse.ui.externaltools.ATTR_TOOL_ARGUMENTS"/>
+    <booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
+</launchConfiguration>
diff --git a/.project b/.project
new file mode 100644
index 0000000..7df905f
--- /dev/null
+++ b/.project
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>cpp_basics</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>LaunchConfigHandle</key>
+					<value>&lt;project&gt;/.externalToolBuilders/org.eclipse.cdt.core.cBuilder.launch</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
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diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
new file mode 100644
index 0000000..ac1207d
--- /dev/null
+++ b/.settings/language.settings.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project>
+	<configuration id="cdt.managedbuild.config.gnu.exe.debug.1722717719" name="Debug">
+		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-394275885746499221" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+				<language-scope id="org.eclipse.cdt.core.gcc"/>
+				<language-scope id="org.eclipse.cdt.core.g++"/>
+			</provider>
+		</extension>
+	</configuration>
+	<configuration id="cdt.managedbuild.config.gnu.exe.release.15962763" name="Release">
+		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-394279319252045303" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+				<language-scope id="org.eclipse.cdt.core.gcc"/>
+				<language-scope id="org.eclipse.cdt.core.g++"/>
+			</provider>
+		</extension>
+	</configuration>
+</project>
\ No newline at end of file
diff --git a/.settings/org.eclipse.cdt.managedbuilder.core.prefs b/.settings/org.eclipse.cdt.managedbuilder.core.prefs
new file mode 100644
index 0000000..4165221
--- /dev/null
+++ b/.settings/org.eclipse.cdt.managedbuilder.core.prefs
@@ -0,0 +1,13 @@
+eclipse.preferences.version=1
+environment/buildEnvironmentInclude/cdt.managedbuild.config.gnu.exe.debug.1722717719/CPATH/delimiter=\:
+environment/buildEnvironmentInclude/cdt.managedbuild.config.gnu.exe.debug.1722717719/CPATH/operation=remove
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+environment/buildEnvironmentInclude/cdt.managedbuild.config.gnu.exe.debug.1722717719/appendContributed=true
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+environment/buildEnvironmentLibrary/cdt.managedbuild.config.gnu.exe.debug.1722717719/LIBRARY_PATH/operation=remove
+environment/buildEnvironmentLibrary/cdt.managedbuild.config.gnu.exe.debug.1722717719/append=true
+environment/buildEnvironmentLibrary/cdt.managedbuild.config.gnu.exe.debug.1722717719/appendContributed=true
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..463a8a8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,25 @@
+# A simple Makefile for compiling small SDL projects
+
+# set the compiler
+CPP		:= g++ -x c++ -std=c++17 -c
+LN	    := g++
+
+# set the compiler flags
+CPPFLAGS := -ggdb3 -O0 -Wall
+LNFLAGS := -ggdb3 -O0 -Wall -lm
+
+obj/%.o: src/%.cpp $(HEADERS) Makefile
+	mkdir -p obj
+	$(CPP) -o $@ $(CPPFLAGS) $<
+
+bin/lesson00: obj/lesson00.o obj/lesson00_module.o
+	mkdir -p bin
+	$(LN) -o $@ $^ $(LNFLAGS)
+
+# default recipe
+all: bin/lessons00
+
+clean:
+	rm -rf obj bin Debug build
+
+.PHONY: all clean
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..486756c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,31 @@
+# C++ Basics, simple C++ lessons for our computer science class
+
+[Original document location](https://jausoft.com/cgit/cs_class/cpp_basics.git/about/).
+
+## Git Repository
+This project's canonical repositories is hosted on [Gothel Software](https://jausoft.com/cgit/cs_class/cpp_basics.git/).
+
+## Goals
+This project aims to demonstrate the C++ language
+for our computer science class.
+
+## Supported Platforms
+C++17 and better.
+
+## Building Binaries
+The project requires make and g++ >= 8.3 for building.
+
+Installing build dependencies on Debian (11 or better):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{.sh}
+apt install git build-essential g++ gcc libc-dev make
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For a generic build use:
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{.sh}
+git clone https://jausoft.com/cgit/cs_class/arithmetic.git
+cd cpp_basics
+make
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The binaries shall reside within `bin`.
+
diff --git a/src/lesson00.cpp b/src/lesson00.cpp
new file mode 100644
index 0000000..f31542d
--- /dev/null
+++ b/src/lesson00.cpp
@@ -0,0 +1,63 @@
+//============================================================================
+// Name        : arithmetic.cpp
+// Author      : Svenson Han Gothel and Sven Gothel
+// Version     : 0.1
+// Copyright   : MIT
+// Description : Applied artihmetic using C++
+//============================================================================
+
+#include <cstdio>
+#include <iostream>
+
+// function declaration
+int add(const int x, const int y);
+
+// function definition
+int add(const int x, const int y) {
+    return x + y;
+}
+
+// function declaration
+int double_value(const int x);
+
+int main(int argc, const char* argv[]) {
+    {
+        // entering scope-1, constructing `a` while initializing w/ `3`
+        int a=3;
+        {
+            // entering this scope-2, constructing `b` w/ `4`
+            int b=4;
+            int r = a + b;
+            (void)r; // avoid unused warnings
+            // leaving this scope-2, b will be destructed
+        }
+        // int r = a + b; // b is out of scope
+    }
+    {
+        // scope
+        for(int i=0; i<argc; i++) {
+            fprintf(stderr, "main.arg[%d]: %s\n", i, argv[i]);
+        }
+    }
+
+	int error_counter = 0;
+	{
+        const int res = add(1, 2);
+        if( 3 != res ) {
+            ++error_counter;
+        }
+	}
+	{
+	    const int res = double_value(1);
+	    if( 2 != res ) {
+	        ++error_counter;
+	    }
+	}
+	if( 0 == error_counter ) {
+		std::cout << "No error" << std::endl;
+		return 0;
+	} else {
+		std::cout << error_counter << " error(s)" << std::endl;
+		return 1;
+	}
+}
diff --git a/src/lesson00_module.cpp b/src/lesson00_module.cpp
new file mode 100644
index 0000000..8a9c867
--- /dev/null
+++ b/src/lesson00_module.cpp
@@ -0,0 +1,13 @@
+/*
+ * module.cpp
+ *
+ *  Created on: Oct 11, 2022
+ *      Author: sven
+ */
+
+
+int double_value(const int x) {
+    return 2 * x;
+}
+
+