C++ NextCh函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中NextCh函数的典型用法代码示例。如果您正苦于以下问题：C++ NextCh函数的具体用法？C++ NextCh怎么用？C++ NextCh使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NextCh函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: NextCh

void Scanner::SetScannerBehindT()
{
  buffer->SetPos(t->pos);
  NextCh();
  line = t->line; col = t->col; charPos = t->charPos;
  for (size_t i = 0; i < tlen; i++) NextCh();
}

开发者ID:OgreTransporter，项目名称:libosmscout，代码行数:7，代码来源:Scanner.cpp

示例2: malloc

void Scanner::Init() {
	EOL    = '\n';
	eofSym = 0;
	maxT = 16;
	noSym = 16;
	int i;
	for (i = 65; i <= 90; ++i) start.set(i, 1);
	for (i = 97; i <= 122; ++i) start.set(i, 1);
	for (i = 48; i <= 57; ++i) start.set(i, 2);
	start.set(58, 19);
	start.set(59, 11);
	start.set(43, 13);
	start.set(45, 14);
	start.set(42, 15);
	start.set(94, 16);
	start.set(40, 17);
	start.set(41, 18);
		start.set(Buffer::EoF, -1);
	keywords.set(L"display", 3);
	keywords.set(L"halt", 8);
	keywords.set(L"mod", 12);


	tvalLength = 128;
	tval = new wchar_t[tvalLength]; // text of current token

	// HEAP_BLOCK_SIZE byte heap + pointer to next heap block
	heap = malloc(HEAP_BLOCK_SIZE + sizeof(void*));
	firstHeap = heap;
	heapEnd = (void**) (((char*) heap) + HEAP_BLOCK_SIZE);
	*heapEnd = 0;
	heapTop = heap;
	if (sizeof(Token) > HEAP_BLOCK_SIZE) {
		wprintf(L"--- Too small HEAP_BLOCK_SIZE\n");
		exit(1);
	}

	pos = -1; line = 1; col = 0;
	oldEols = 0;
	NextCh();
	if (ch == 0xEF) { // check optional byte order mark for UTF-8
		NextCh(); int ch1 = ch;
		NextCh(); int ch2 = ch;
		if (ch1 != 0xBB || ch2 != 0xBF) {
			wprintf(L"Illegal byte order mark at start of file");
			exit(1);
		}
		Buffer *oldBuf = buffer;
		buffer = new UTF8Buffer(buffer); col = 0;
		delete oldBuf; oldBuf = NULL;
		NextCh();
	}


	pt = tokens = CreateToken(); // first token is a dummy
}

开发者ID:Newky，项目名称:3rdYear，代码行数:56，代码来源:Scanner.cpp

示例3: NextCh

bool Scanner::Comment0() {
    int level = 1, pos0 = pos, line0 = line, col0 = col, charPos0 = charPos;
    NextCh();
    if (ch == L'+') {
        NextCh();
        for(;;) {
            if (ch == L'+') {
                NextCh();
                if (ch == L'/') {
                    level--;
                    if (level == 0) {
                        oldEols = line - line0;
                        NextCh();
                        return true;
                    }
                    NextCh();
                }
            } else if (ch == L'/') {
                NextCh();
                if (ch == L'+') {
                    level++;
                    NextCh();
                }
            } else if (ch == buffer->EoF) return false;
            else NextCh();
        }
    } else {
        buffer->SetPos(pos0);
        NextCh();
        line = line0;
        col = col0;
        charPos = charPos0;
    }
    return false;
}

开发者ID:S-V，项目名称:Lollipop，代码行数:35，代码来源:Scanner.cpp

示例4: malloc

void Scanner::Init() {
	EOL    = '\n';
	eofSym = 0;
	maxT = 9;
	noSym = 9;
	int i;
	for (i = 48; i <= 57; ++i) start.set(i, 1);
	start.set(99, 2);
	start.set(40, 6);
	start.set(41, 7);
	start.set(43, 8);
	start.set(45, 9);
	start.set(42, 10);
	start.set(47, 11);
		start.set(Buffer::EoF, -1);


	tvalLength = 128;
	tval = new wchar_t[tvalLength]; // text of current token

	// COCO_HEAP_BLOCK_SIZE byte heap + pointer to next heap block
	heap = malloc(COCO_HEAP_BLOCK_SIZE + sizeof(void*));
	firstHeap = heap;
	heapEnd = (void**) (((char*) heap) + COCO_HEAP_BLOCK_SIZE);
	*heapEnd = 0;
	heapTop = heap;
	if (sizeof(Token) > COCO_HEAP_BLOCK_SIZE) {
		wprintf(L"--- Too small COCO_HEAP_BLOCK_SIZE\n");
		exit(1);
	}

	pos = -1; line = 1; col = 0; charPos = -1;
	oldEols = 0;
	NextCh();
	if (ch == 0xEF) { // check optional byte order mark for UTF-8
		NextCh(); int ch1 = ch;
		NextCh(); int ch2 = ch;
		if (ch1 != 0xBB || ch2 != 0xBF) {
			wprintf(L"Illegal byte order mark at start of file");
			exit(1);
		}
		Buffer *oldBuf = buffer;
		buffer = new UTF8Buffer(buffer); col = 0; charPos = -1;
		delete oldBuf; oldBuf = NULL;
		NextCh();
	}


	pt = tokens = CreateToken(); // first token is a dummy
}

开发者ID:m-hm，项目名称:shahab，代码行数:50，代码来源:Scanner.cpp

示例5: NextCh

void CRScanner::Reset()
{
  CurrLine = 1; LineStart = 0; BuffPos = -1; CurrCol = 0;
  ComEols = 0;
  NextSym.Init();
  NextCh();
}

开发者ID:armornick，项目名称:CocoR，代码行数:7，代码来源:cr_scan.cpp

示例6: while

void CParser::DigRep()
{
	// changes the current character to the first character that
	// isn't a decimal
	while ((ch >= '0') && (ch <= '9'))
		NextCh();
}

开发者ID:Ichthyostega，项目名称:blender，代码行数:7，代码来源:InputParser.cpp

示例7: ResetText

void ResetText(){
    /*if(Path == NULL){
        fprintf(stderr, "Call format: O <source code path>\n");
        exit(1);
    }
    else */if((fInput = fopen(/*Path*/"Input.txt", "rb")) == NULL){
        ResetError = TRUE;
        Message = "Source code file not found!";
    }
    else{
        ResetError = FALSE;
        fseek(fInput, 0, SEEK_END);
        len = ftell(fInput);
        if(len == -1L){
            fprintf(stderr, "Input file fseek error.");
            exit(1);
        }
        bytes = malloc(len);
        fseek(fInput, 0, SEEK_SET);
        fread(bytes, 1, len, fInput);

        Message = "OK";
        Pos = 0;
        Line = 1;
        fclose(fInput);
        NextCh();
    }

}

开发者ID:litvinenkonikita，项目名称:O2-translator，代码行数:29，代码来源:text.c

示例8: ScanPastEOL

void ScanPastEOL()
{
	int ch;

	do {
		ch = NextCh();
	} while (ch != '\n' && ch != 0);
}

开发者ID:BigEd，项目名称:Cores，代码行数:8，代码来源:INPUT.C

示例9: while

Token* Scanner::NextToken() {
	while (ch == ' ' ||
			ch == 10 || ch == 13
	) NextCh();

	int recKind = noSym;
	int recEnd = pos;
	t = CreateToken();
	t->pos = pos; t->col = col; t->line = line; t->charPos = charPos;
	int state = start.state(ch);
	tlen = 0; AddCh();

	switch (state) {
		case -1: { t->kind = eofSym; break; } // NextCh already done
		case 0: {
			case_0:
			if (recKind != noSym) {
				tlen = recEnd - t->pos;
				SetScannerBehindT();
			}
			t->kind = recKind; break;
		} // NextCh already done
		case 1:
			case_1:
			recEnd = pos; recKind = 1;
			if ((ch >= L'0' && ch <= L'9')) {AddCh(); goto case_1;}
			else {t->kind = 1; break;}
		case 2:
			if (ch == L'a') {AddCh(); goto case_3;}
			else {goto case_0;}
		case 3:
			case_3:
			if (ch == L'l') {AddCh(); goto case_4;}
			else {goto case_0;}
		case 4:
			case_4:
			if (ch == L'c') {AddCh(); goto case_5;}
			else {goto case_0;}
		case 5:
			case_5:
			{t->kind = 2; break;}
		case 6:
			{t->kind = 3; break;}
		case 7:
			{t->kind = 4; break;}
		case 8:
			{t->kind = 5; break;}
		case 9:
			{t->kind = 6; break;}
		case 10:
			{t->kind = 7; break;}
		case 11:
			{t->kind = 8; break;}

	}
	AppendVal(t);
	return t;
}

开发者ID:m-hm，项目名称:shahab，代码行数:58，代码来源:Scanner.cpp

示例10: SkipSpaces

// Skips spaces in input
void SkipSpaces()
{
   int c;

   do {
      c = NextCh();
   } while(c != '\n' && isspace(c) && c != 0);
   unNextCh();
}

开发者ID:BigEd，项目名称:Cores，代码行数:10，代码来源:INPUT.C

示例11: NextNonSpace

// Gets the next non space character
int NextNonSpace(int skipnl)
{
   int ch;

   do {
      ch = NextCh();
   } while((ch != '\n' || skipnl) && isspace(ch) && ch!=0);
   return (ch);
}

开发者ID:BigEd，项目名称:Cores，代码行数:10，代码来源:INPUT.C

示例12: AddCh

static void AddCh(CJcScanner* scanner){
	char *newBuf;
	if (scanner->tlen >= scanner->tvalLength){
		scanner->tvalLength *= 2;
		newBuf = (char*)g_oInterface.Malloc(scanner->tvalLength);
		MemoryCopy(newBuf, scanner->tval, scanner->tlen*sizeof(char));
		g_oInterface.Free(scanner->tval);
		scanner->tval = newBuf;
	}
	scanner->tval[scanner->tlen++] = scanner->ch;
	NextCh(scanner);
}

开发者ID:nightstyles，项目名称:focp，代码行数:12，代码来源:jc_scanner.c

示例13: while

Token* Scanner::NextToken() {
	while (ch == ' ' ||
			ch == 10 || ch == 13
	) NextCh();

	int recKind = noSym;
	int recEnd = pos;
	t = CreateToken();
	t->pos = pos; t->col = col; t->line = line;
	int state = start.state(ch);
	tlen = 0; AddCh();

	switch (state) {
		case -1: { t->kind = eofSym; break; } // NextCh already done
		case 0: {
			case_0:
			if (recKind != noSym) {
				tlen = recEnd - t->pos;
				SetScannerBehindT();
			}
			t->kind = recKind; break;
		} // NextCh already done
		case 1:
			case_1:
			recEnd = pos; recKind = 1;
			if ((ch >= L'0' && ch <= L'9') || (ch >= L'A' && ch <= L'Z') || (ch >= L'a' && ch <= L'z')) {AddCh(); goto case_1;}
			else {t->kind = 1; wchar_t *literal = coco_string_create(tval, 0, tlen); t->kind = keywords.get(literal, t->kind); coco_string_delete(literal); break;}
		case 2:
			case_2:
			recEnd = pos; recKind = 2;
			if ((ch >= L'0' && ch <= L'9')) {AddCh(); goto case_2;}
			else {t->kind = 2; break;}
		case 3:
			if (ch == L'=') {AddCh(); goto case_4;}
			else {goto case_0;}
		case 4:
			case_4:
			{t->kind = 3; break;}
		case 5:
			{t->kind = 4; break;}
		case 6:
			{t->kind = 5; break;}
		case 7:
			{t->kind = 6; break;}
		case 8:
			{t->kind = 8; break;}
		case 9:
			{t->kind = 9; break;}

	}
	AppendVal(t);
	return t;
}

开发者ID:Divo，项目名称:twominutestomidnightIMPORT，代码行数:53，代码来源:Scanner.cpp

示例14: memcpy

void Scanner::AddCh() {
	if (tlen >= tvalLength) {
		tvalLength *= 2;
		wchar_t *newBuf = new wchar_t[tvalLength];
		memcpy(newBuf, tval, tlen*sizeof(wchar_t));
		delete [] tval;
		tval = newBuf;
	}
	if (ch != Buffer::EoF) {
		tval[tlen++] = valCh;
		NextCh();
	}
}

开发者ID:bharcode，项目名称:nammaDB，代码行数:13，代码来源:Scanner.cpp

示例15: UnassembleCommand

void UnassembleCommand(void) {
  int count = 8; // Default instruction count to display
  Sb(); if (IsDwDebugNumeric(NextCh())) {Uaddr = ReadInstructionAddress("U"); Wl();}
  Sb(); if (IsDwDebugNumeric(NextCh())) {count = ReadNumber(0);}
  Sb(); if (!DwEoln()) {Wsl("Unrecognised parameters on unassemble command.");}

  int firstByte = Uaddr;
  int limitByte = min(firstByte + count*4, FlashSize()); // Allow for up to 2 words per instruction
  int length    = limitByte - firstByte;

  if (length <= 0) {Fail("Nothing to disassemble.");}

  u8 buf[length+2];
  DwReadFlash(firstByte, length, buf);
  buf[length] = 0; buf[length+1] = 0;

  while (1) {
    Uaddr += DisassembleInstruction(Uaddr, &buf[Uaddr-firstByte]);
    count--;
    if (count <= 0  ||  Uaddr >= FlashSize()) {return;}
    Wl();
  }
}

开发者ID:dcwbrown，项目名称:dwire-debug，代码行数:23，代码来源:UnassembleCommand.c

示例16: NextCh

void CParser::TermChar(char c)
{
	// generates an error if the next char isn't the specified char c,
	// otherwise, skip the char
	if (ch == c)
	{
		NextCh();
	}
	else
	{
		STR_String str;
		str.Format("Warning: %c expected\ncontinuing without it", c);
		trace(str);
	}
}

开发者ID:Ichthyostega，项目名称:blender，代码行数:15，代码来源:InputParser.cpp

示例17: NextCh

void NextCh(){
    if( (Ch = bytes[++Index]) == EOF ){
        Ch = chEOT;
    }
    else if(Ch == '\n'){
        Line++;
        Pos = 0;
        Ch = chEOL;
    }
    else if(Ch == '\r'){
        NextCh();
    }
    else if(Ch == '\t'){
        while(++Pos % TABSIZE);
    }
    else{
        Pos++;
    }

}

开发者ID:litvinenkonikita，项目名称:O2-translator，代码行数:20，代码来源:text.c

示例18: SearchForDefined

void SearchForDefined()
{
   char *ptr, *id, *sptr;
   int c;
   SDef tdef, *p;

   ptr = inptr;
   while(1)
   {
      if (PeekCh() == 0)   // Stop at end of current input
         break;
      SkipSpaces();
      sptr = inptr;
      id = GetIdentifier();
      if (id)
      {
         if (strcmp(id, "defined") == 0)
         {
            c = NextNonSpace(0);
            if (c != '(') {
               err(20);
               break;
            }
            id = GetIdentifier();
            if (id == NULL) {
               err(21);
               break;
            }
            c = NextNonSpace(0);
            if (c != ')')
               err(22);
            tdef.name = id;
            p = (SDef *)htFind(&HashInfo, &tdef);
            SubMacro((char *)(p ? "1" : "0"), inptr-sptr);
         }
      }
      else
         NextCh();
   }
   inptr = ptr;
}

开发者ID:BigEd，项目名称:Cores，代码行数:41，代码来源:SUB.C

示例19: while

Token* Scanner::NextToken() {
	while (ch == ' ' ||
			(ch >= 9 && ch <= 10) || ch == 13
	) NextCh();

	int recKind = noSym;
	int recEnd = pos;
	t = CreateToken();
	t->pos = pos; t->col = col; t->line = line; t->charPos = charPos;
	int state = start.state(ch);
	tlen = 0; AddCh();

	switch (state) {
		case -1: { t->kind = eofSym; break; } // NextCh already done
		case 0: {
			case_0:
			if (recKind != noSym) {
				tlen = recEnd - t->pos;
				SetScannerBehindT();
			}
			t->kind = recKind; break;
		} // NextCh already done
		case 1:
			case_1:
			if ((ch >= L'0' && ch <= L'9')) {AddCh(); goto case_2;}
			else {goto case_0;}
		case 2:
			case_2:
			recEnd = pos; recKind = 2;
			if ((ch >= L'0' && ch <= L'9')) {AddCh(); goto case_2;}
			else {t->kind = 2; break;}
		case 3:
			if ((ch >= L'A' && ch <= L'Z') || (ch >= L'a' && ch <= L'z')) {AddCh(); goto case_4;}
			else {goto case_0;}
		case 4:
			case_4:
			if ((ch >= L'A' && ch <= L'Z') || (ch >= L'a' && ch <= L'z')) {AddCh(); goto case_4;}
			else if (ch == L'"') {AddCh(); goto case_5;}
			else {goto case_0;}
		case 5:
			case_5:
			{t->kind = 3; break;}
		case 6:
			case_6:
			recEnd = pos; recKind = 4;
			if ((ch >= L'0' && ch <= L'9') || (ch >= L'A' && ch <= L'Z') || ch == L'_' || (ch >= L'a' && ch <= L'z')) {AddCh(); goto case_6;}
			else {t->kind = 4; wchar_t *literal = coco_string_create(tval, 0, tlen); t->kind = keywords.get(literal, t->kind); coco_string_delete(literal); break;}
		case 7:
			case_7:
			recEnd = pos; recKind = 1;
			if ((ch >= L'0' && ch <= L'9')) {AddCh(); goto case_7;}
			else if (ch == L'.') {AddCh(); goto case_1;}
			else {t->kind = 1; break;}
		case 8:
			{t->kind = 6; break;}
		case 9:
			{t->kind = 7; break;}
		case 10:
			{t->kind = 9; break;}
		case 11:
			{t->kind = 10; break;}
		case 12:
			{t->kind = 11; break;}
		case 13:
			if (ch == L'.') {AddCh(); goto case_14;}
			else {goto case_0;}
		case 14:
			case_14:
			{t->kind = 12; break;}
		case 15:
			{t->kind = 13; break;}
		case 16:
			{t->kind = 17; break;}
		case 17:
			{t->kind = 18; break;}
		case 18:
			{t->kind = 22; break;}
		case 19:
			{t->kind = 23; break;}
		case 20:
			{t->kind = 31; break;}
		case 21:
			{t->kind = 33; break;}
		case 22:
			case_22:
			{t->kind = 53; break;}
		case 23:
			case_23:
			{t->kind = 54; break;}
		case 24:
			case_24:
			{t->kind = 55; break;}
		case 25:
			case_25:
			{t->kind = 56; break;}
		case 26:
			{t->kind = 61; break;}
		case 27:
			{t->kind = 62; break;}
		case 28:
//.........这里部分代码省略.........

开发者ID:cesarcastmore，项目名称:Logo，代码行数:101，代码来源:Scanner.cpp

示例20: while

TokenRef Scanner::NextToken() {
  while (ch == ' ' ||
			(ch >= 9 && ch <= 10) || ch == 13 || ch == ' '
  ) NextCh();
	if ((ch == '/' && Comment0()) || (ch == '/' && Comment1())) return NextToken();
  int recKind = noSym;
  size_t recEnd = pos;

  t = CreateToken();
  t->pos = pos; t->col = col; t->line = line; t->charPos = charPos;
  int state = start.state(ch);
  tlen = 0; AddCh();

  switch (state) {
  case -1: { t->kind = eofSym; break; } // NextCh already done
  case 0: {
    case_0:
    if (recKind != noSym) {
      tlen = recEnd - t->pos;
      SetScannerBehindT();
    }

    t->kind = recKind; break;
  } // NextCh already done
		case 1:
			case_1:
			recEnd = pos; recKind = 1;
			if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z') || ch == '_' || (ch >= 'a' && ch <= 'z')) {AddCh(); goto case_1;}
			else {t->kind = 1; char *literal = coco_string_create(tval, 0, tlen); t->kind = keywords.get(literal, t->kind); coco_string_delete(literal); break;}
		case 2:
			case_2:
			if ((ch >= '0' && ch <= '9')) {AddCh(); goto case_3;}
			else {goto case_0;}
		case 3:
			case_3:
			recEnd = pos; recKind = 3;
			if ((ch >= '0' && ch <= '9')) {AddCh(); goto case_3;}
			else {t->kind = 3; break;}
		case 4:
			case_4:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_5;}
			else {goto case_0;}
		case 5:
			case_5:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_6;}
			else {goto case_0;}
		case 6:
			case_6:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_7;}
			else {goto case_0;}
		case 7:
			case_7:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_8;}
			else {goto case_0;}
		case 8:
			case_8:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_9;}
			else {goto case_0;}
		case 9:
			case_9:
			recEnd = pos; recKind = 4;
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_10;}
			else {t->kind = 4; break;}
		case 10:
			case_10:
			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f')) {AddCh(); goto case_11;}
			else {goto case_0;}
		case 11:
			case_11:
			{t->kind = 4; break;}
		case 12:
			if ((ch >= 'A' && ch <= 'Z') || ch == '_' || (ch >= 'a' && ch <= 'z')) {AddCh(); goto case_13;}
			else {goto case_0;}
		case 13:
			case_13:
			recEnd = pos; recKind = 5;
			if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z') || ch == '_' || (ch >= 'a' && ch <= 'z')) {AddCh(); goto case_13;}
			else {t->kind = 5; break;}
		case 14:
			case_14:
			if (ch <= '!' || (ch >= '#' && ch <= '[') || (ch >= ']' && ch <= 65535)) {AddCh(); goto case_14;}
			else if (ch == '"') {AddCh(); goto case_15;}
			else if (ch == 92) {AddCh(); goto case_17;}
			else {goto case_0;}
		case 15:
			case_15:
			{t->kind = 6; break;}
		case 16:
			case_16:
			recEnd = pos; recKind = 2;
			if ((ch >= '0' && ch <= '9')) {AddCh(); goto case_16;}
			else if (ch == '.') {AddCh(); goto case_2;}
			else {t->kind = 2; break;}
		case 17:
			case_17:
			if (ch <= '!' || (ch >= '#' && ch <= '[') || (ch >= ']' && ch <= 65535)) {AddCh(); goto case_14;}
			else if (ch == 92) {AddCh(); goto case_17;}
			else if (ch == '"') {AddCh(); goto case_18;}
			else {goto case_0;}
		case 18:
//.........这里部分代码省略.........

开发者ID:OgreTransporter，项目名称:libosmscout，代码行数:101，代码来源:Scanner.cpp

注：本文中的NextCh函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。