From 5742d02dc61a1cabc3bc3efd2feb8c81931ff814 Mon Sep 17 00:00:00 2001
From: MinyazevR <eeuriset8@gmail.com>
Date: Fri, 17 Dec 2021 11:26:54 +0300
Subject: [PATCH 1/2] writing a function to check a string and writing tests

---
 .../lexicalAnalysis/lexicalAnalysis.sln"      |  31 ++++
 .../lexicalAnalysis/LexicalAnalysis.c"        | 107 ++++++++++++
 .../lexicalAnalysis/LexicalAnalysis.h"        |   4 +
 .../lexicalAnalysis/lexicalAnalysis/Main.c"   |  30 ++++
 .../lexicalAnalysis/ReadString.c"             |  37 +++++
 .../lexicalAnalysis/ReadString.h"             |   3 +
 .../lexicalAnalysis/TestLexicalAnalysis.c"    |  18 ++
 .../lexicalAnalysis/TestLexicalAnalysis.h"    |   4 +
 .../lexicalAnalysis/lexicalAnalysis.vcxproj"  | 155 ++++++++++++++++++
 .../lexicalAnalysis.vcxproj.filters"          |  42 +++++
 10 files changed, 431 insertions(+)
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis.sln"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.c"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/Main.c"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.c"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.c"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj"
 create mode 100644 "Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj.filters"

diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis.sln" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis.sln"
new file mode 100644
index 0000000..2ecbf78
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis.sln"
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31410.357
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lexicalAnalysis", "lexicalAnalysis\lexicalAnalysis.vcxproj", "{4C58C0AB-268F-4588-8690-F3B9D99B950C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Debug|x64.ActiveCfg = Debug|x64
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Debug|x64.Build.0 = Debug|x64
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Debug|x86.ActiveCfg = Debug|Win32
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Debug|x86.Build.0 = Debug|Win32
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Release|x64.ActiveCfg = Release|x64
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Release|x64.Build.0 = Release|x64
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Release|x86.ActiveCfg = Release|Win32
+		{4C58C0AB-268F-4588-8690-F3B9D99B950C}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C864152D-6DC5-4FB3-B326-DBAFFAE504BB}
+	EndGlobalSection
+EndGlobal
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.c" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.c"
new file mode 100644
index 0000000..e894a8c
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.c"
@@ -0,0 +1,107 @@
+#include "LexicalAnalysis.h"
+#include <string.h>
+
+bool isDigit(char symbol)
+{
+    return symbol <= '9' && symbol >= '0';
+}
+
+bool checkExpression(char* string)
+{
+    const int lenghtString = strlen(string);
+    int state = 0;
+    for (int i = 0; i < lenghtString + 1; i++)
+    {
+        switch (state)
+        {
+        case 0 :
+        {
+            if (isDigit(string[i]))
+            {
+                state = 1;
+                break;
+            }
+            return false;
+        }
+        case 1:
+        {
+            if (isDigit(string[i]))
+            {
+                break;
+            }
+            if (string[i] == '\0')
+            {
+                return true;
+            }
+            if (string[i] == '.')
+            {
+                state = 2;
+                break;
+            }
+            return false;
+        }
+        case 2:
+        {
+            if (isDigit(string[i]))
+            {
+                state = 3;
+                break;
+            }
+            return false;
+        }
+        case 3:
+        {
+            if (isDigit(string[i]))
+            {
+                break;
+            }
+            if (string[i] == '\0')
+            {
+                return true;
+            }
+            if (string[i] == 'E')
+            {
+                state = 4;
+                break;
+            }
+            return false;
+        }
+        case 4:
+        {
+            if(isDigit(string[i]))
+            {
+                state = 6;
+                break;
+            }
+            if (string[i] == '+' || string[i] == '-')
+            {
+                state = 5;
+                break;
+            }
+            return false;
+        }
+        case 5:
+        {
+            if (isDigit(string[i]))
+            {
+                state = 6;
+                break;
+            }
+            return false;
+        }
+        case 6:
+        {
+            if (isDigit(string[i]))
+            {
+                break;
+            }
+            if (string[i] == '\0')
+            {
+                return true;
+            }
+            return false;
+        }
+        }
+    }
+    return false;
+}
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
new file mode 100644
index 0000000..3d637dc
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
@@ -0,0 +1,4 @@
+#pragma once
+#include <stdbool.h>
+
+bool checkExpression(char* string);
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/Main.c" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/Main.c"
new file mode 100644
index 0000000..2aa89a8
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/Main.c"
@@ -0,0 +1,30 @@
+#include "TestLexicalAnalysis.h"
+#include <stdio.h>
+#include "ReadString.h"
+#include "LexicalAnalysis.h"
+#include <stdlib.h>
+
+int main()
+{
+    if (!testCheckTestExpression())
+    {
+        printf("Test failed");
+        return -1;
+    }
+    printf("enter the string\n");
+    int error = 0;
+    char* string = readString(&error);
+    if (error == 1)
+    {
+        printf("failed to enter string\n");
+        return -1;
+    }
+    bool result = checkExpression(string);
+    free(string);
+    if (!result)
+    {
+        printf("the entered string is not a real number\n");
+        return -1;
+    }
+    printf("the entered string is a real number\n");
+}
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.c" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.c"
new file mode 100644
index 0000000..1c3e0c9
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.c"
@@ -0,0 +1,37 @@
+#include "ReadString.h"
+#include <malloc.h>
+#include <string.h>
+#include <stdio.h>
+
+char* readString(int* error)
+{
+    int index = 0;
+    int size = 100;
+    char* array = calloc(size, sizeof(char));
+    if (array == NULL)
+    {
+        *error = 1;
+        return NULL;
+    }
+    char symbol = getchar();
+    while (symbol != '\n')
+    {
+        array[index] = symbol;
+        if (strlen(array) == size)
+        {
+            size = size * 2;
+            char* temporary = realloc(array, size * sizeof(char));
+            if (temporary == NULL)
+            {
+                *error = 1;
+                free(array);
+                return NULL;
+            }
+            array = temporary;
+        }
+        symbol = getchar();
+        index++;
+    }
+    array[index] = '\0';
+    return array;
+}
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
new file mode 100644
index 0000000..2dd4d97
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
@@ -0,0 +1,3 @@
+#pragma once
+
+char* readString(int* error);
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.c" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.c"
new file mode 100644
index 0000000..26ed0bc
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.c"
@@ -0,0 +1,18 @@
+#include "TestLexicalAnalysis.h"
+#include "LexicalAnalysis.h"
+
+bool testCheckTestExpression()
+{
+    bool firstResult = checkExpression("3");
+    bool secondResult = checkExpression("3.734432");
+    bool thirdResult = checkExpression("33412.253253");
+    bool fourthResult = checkExpression("234.2424E-10");
+    bool fifthResult = checkExpression("3.0001E+10");
+    bool sixthResult = checkExpression("3.");
+    bool seventhResult = checkExpression("3.E");
+    bool eighthResult = checkExpression("3324.23455E+");
+    bool ninthResult = checkExpression("");
+    bool tenthResult = checkExpression("3E-1111.1221");
+    return firstResult && secondResult && thirdResult && fourthResult && fifthResult
+        && !sixthResult && !seventhResult && !eighthResult && !ninthResult && !tenthResult;
+}
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
new file mode 100644
index 0000000..d6ac841
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
@@ -0,0 +1,4 @@
+#pragma once
+#include <stdbool.h>
+
+bool testCheckTestExpression();
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj"
new file mode 100644
index 0000000..8be65cb
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj"
@@ -0,0 +1,155 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{4c58c0ab-268f-4588-8690-f3b9d99b950c}</ProjectGuid>
+    <RootNamespace>lexicalAnalysis</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="LexicalAnalysis.c" />
+    <ClCompile Include="Main.c" />
+    <ClCompile Include="ReadString.c" />
+    <ClCompile Include="TestLexicalAnalysis.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="LexicalAnalysis.h" />
+    <ClInclude Include="ReadString.h" />
+    <ClInclude Include="TestLexicalAnalysis.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj.filters" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj.filters"
new file mode 100644
index 0000000..2749f91
--- /dev/null
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/lexicalAnalysis.vcxproj.filters"
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Исходные файлы">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Файлы заголовков">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Файлы ресурсов">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="LexicalAnalysis.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="TestLexicalAnalysis.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="Main.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="ReadString.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="LexicalAnalysis.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="TestLexicalAnalysis.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="ReadString.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file

From 234663687006e9cc4feac29f806e08cbfe20e192 Mon Sep 17 00:00:00 2001
From: MinyazevR <eeuriset8@gmail.com>
Date: Fri, 17 Dec 2021 11:29:50 +0300
Subject: [PATCH 2/2] added comments to functions

---
 .../lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"           | 1 +
 .../lexicalAnalysis/lexicalAnalysis/ReadString.h"                | 1 +
 .../lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"       | 1 +
 3 files changed, 3 insertions(+)

diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
index 3d637dc..3b3acc5 100644
--- "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/LexicalAnalysis.h"
@@ -1,4 +1,5 @@
 #pragma once
 #include <stdbool.h>
 
+// Function to check whether an expression is a real number
 bool checkExpression(char* string);
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
index 2dd4d97..ef41005 100644
--- "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/ReadString.h"
@@ -1,3 +1,4 @@
 #pragma once
 
+// Function for entering a line with memory allocation (for entering a line of arbitrary size)
 char* readString(int* error);
\ No newline at end of file
diff --git "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h" "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
index d6ac841..ccfb10f 100644
--- "a/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
+++ "b/Homework\342\204\22612/lexicalAnalysis/lexicalAnalysis/TestLexicalAnalysis.h"
@@ -1,4 +1,5 @@
 #pragma once
 #include <stdbool.h>
 
+// Function for testing the defining function is and the string is a real number
 bool testCheckTestExpression();
\ No newline at end of file