运行结果
源码
#define _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable:4996）
#include
#include
#include
#include
#include
#include
using namespace std;//The namespace.
int top = 0;
int lines = 0;
bool inDoubleQuote;
bool inSingleQuote;
bool isPreprocessor;
bool isStringInPreprocessor;
bool isSingleLineComment;
bool isMoreLinesComment;
/*The variables.*/
char word[101];
string str[1000001];
string reservedWords[56] =
{
"if", "else", "while", "signed", "throw", "union", "this",
"int", "char", "double", "unsigned", "const", "goto", "virtual",
"for", "float", "break", "auto", "class", "operator", "case",
"do", "long", "typedef", "static", "friend", "template", "default",
"new", "void", "register", "extern", "return", "enum", "inline",
"try", "short", "continue", "sizeof", "switch", "private", "protected",
"asm", "catch", "delete", "public", "volatile", "struct", "using",
"namespace", "bool", "true", "false", "not", "and", "or"
};
bool IsReservedWord();
bool IsNumber();
int main()
{
system("color F0");
freopen("testIO.cpp", "r", stdin);
string s;
while (getline(cin, s))
{
str[lines] = s;
lines++;
}
fclose(stdin);
COORD COORDSIZE{ 80, (short)(lines + 1) };
SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), COORDSIZE);
isMoreLinesComment = false;
for (int i = 0; i < lines; i++)
{
CONSOLE_SCREEN_BUFFER_INFO consoleScreenBufferSize;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleScreenBufferSize);
if (consoleScreenBufferSize.dwSize.X < str[i].length() + 4)
{
COORD COORDsize2 {
(short)(str[i].length() + 5), consoleScreenBufferSize.dwSize.Y};
SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), COORDsize2);
}
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);
printf("%3d ", i + 1);
isSingleLineComment = false;
top = 0;
inDoubleQuote = false;
inSingleQuote = false;
isPreprocessor = false;
isStringInPreprocessor = false;
memset(word, 0, sizeof(word));
for (int j = 0; j < str[i].length(); j++)
{
if (not(isSingleLineComment or isMoreLinesComment))
{
if (inDoubleQuote == false and inSingleQuote == false)
{
if (str[i][j] == '/' and j + 1 < str[i].length() and str[i][j + 1] == '/')
{
isSingleLineComment = true;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
cout << str[i][j];
continue;
}
else if (str[i][j] == '/' and j + 1 < str[i].length() and str[i][j + 1] == '*')
{
isMoreLinesComment = true;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
cout << str[i][j];
continue;
}
}
if (inDoubleQuote == false and inSingleQuote == false and isPreprocessor == false)
{
if ((str[i][j] >= 'a' and str[i][j] <= 'z') or (str[i][j] >= 'A' and str[i][j] <= 'Z') or (str[i][j] >= '0' and str[i][j] <= '9'))
{
top++;
word[top] = str[i][j];
}
else
{
if (top > 0)
{
if (IsReservedWord())
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_BLUE | FOREGROUND_INTENSITY | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
else if (IsNumber())
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 0 | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
for (int k = 0; k < top; k++)
{
cout << word[k];
}
top = 0;
}
if (str[i][j] == '\"' and inSingleQuote == false)
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
cout << str[i][j];
inDoubleQuote = !inDoubleQuote;
}
else if (str[i][j] != '#')
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 0 | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
if (inDoubleQuote == false and str[i][j] == '\'')
{
inSingleQuote = !inSingleQuote;
}
cout << str[i][j];
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_BLUE | FOREGROUND_INTENSITY | BACKGROUND_INTENSITY | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);
cout << str[i][j];
isPreprocessor = true;
}
}
}
else if (isPreprocessor == false)
{
if (str[i][j] == '\"' and inDoubleQuote == true)
{
inDoubleQuote = !inDoubleQuote;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY | BACKGROUND_RED);
}
else if (str[i][j] == '\'' and inSingleQuote == true)
{
inSingleQuote = !inSingleQuote;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 0 | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_INTENSITY);
}
cout << str[i][j];
}
else
{
if (not isStringInPreprocessor)
{
if (str[i][j] == '<' or str[i][j] == '\"')
{
isStringInPreprocessor = true;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY | BACKGROUND_RED);
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_BLUE | FOREGROUND_INTENSITY | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY | BACKGROUND_RED);
}
cout << str[i][j];
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | BACKGROUND_RED | BACKGROUND_INTENSITY | BACKGROUND_GREEN | BACKGROUND_BLUE);
cout << str[i][j];
if (str[i][j] == '>' or str[i][j] == '\"')
{
isStringInPreprocessor = false;
}
}
}
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY | BACKGROUND_RED);
cout << str[i][j];
if (j > 0 and str[i][j - 1] == '*' and str[i][j] == '/')
{
isMoreLinesComment = false;
}
}
}
if (top > 0)
{
if (IsReservedWord())
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_BLUE | FOREGROUND_INTENSITY | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
else if (IsNumber())
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
else
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 0 | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
}
for (int k = 0; k < top; k++)
{
cout << word[k];
}
top = 0;
}
cout << endl;
}
_getch();
return 0;
}
bool IsReservedWord()
{
for (int i = 0; i < top; i++)
{
word[i] = word[i + 1];
}
word[top] = 0;
for (int i = 0; i < 56; i++)
{
if (word == reservedWords[i])
{
return true;
}
}
return false;
}
bool IsNumber()
{
for (int i = 0; i < top; i++)
{
if (not(word[i] >= '0' and word[i] <= '9'))
{
return false;
}
}
return true;
}
