void factor()
{
void expression();
if (syn == 10 || syn == 11)
{
scaner();
}
else if ( syn == 27)
{
scaner();
expression();
if (syn == 28)
{
scaner();
}
else
{
printf("\")\"错误");
kk = 1;
}
}
else
{
printf("输出表达式错误！");
kk = 1;
}
return;
}
void statement()
{
void expression();
if ( syn == 10)
{
scaner();
if (syn == 18)
{
scaner();
expression();
}
else
{
printf("赋值号错误！");
kk = 1;
}
}
else
{
printf("语句错误！");
kk = 1;
}
return ;
}
void errorHandler(){
if(!endFlag) printf("%s", line);
if(syn==10) {
printf("yucu error");
kk = 1;
}
if(syn==6 && !endFlag){
printf("yucu error");
kk = 1;
}
while(!(syn==26 || syn==6)){
scaner();
}
if(syn==6 && endFlag) {
kk = 1;
return;
}
scaner();
statement();
}
void lrparser()
{
void yucu();
if (syn == 1)
{
scaner();
yucu();
if (syn == 6)
{
scaner();
if (syn == 0 && (kk == 0))
{
printf("success!");
}
else
{
if (kk!= 1)
{
printf("缺end!");
kk = 1;
}
else
{
printf("begin!");
kk = 1;
}
return;
}
}
}
}
//正常情况下使用的 词法扫描器，返回新扫描到的词，Syn 返回返回词的 种别码
WORD* LexicalScanner(int &Syn){
WORD* oneword = new WORD;
oneword = scaner();
Syn = oneword->typenum;
if(Syn==-1) //Syn=-1时为种别码识别错误时的值
{
printf("\nLine [%3d] error:无法识别 %s\n",currentLine,oneword->word);
cError++;
oneword = scaner();
Syn = oneword->typenum;
}
else if(Syn ==-2) //Syn=-2时为由一个'/'导致的注释错误
{
printf("\nLine [%3d] error:存在多余符号'/' 或者 由仅有的一个'/'导致的错误注释 \n",
currentLine-1,oneword->word);
cError++;
oneword = scaner();
Syn = oneword->typenum;
}
if(Syn==1001){
printf("\nLine [%3d] error:注释没有结尾\n",currentLine);
cError++;
}
return (oneword);
}
void factor(){
if(syn == 10 || syn == 11){
scaner();
return ;
}else if(syn == 27){
scaner();
expression();
if(syn == 28){
scaner();
}else{
printf(") error");
kk = 1;
errorHandler();
}
}else{
printf("factor expression error");
kk = 1;
errorHandler();
}
return ;
}
long Cx_StringTable::LoadFiles(const std::wstring& path)
{
if (path.empty())
{
return 0;
}
long count = 0;
std::vector<std::wstring> files;
x3::CScanFilesByExtension scaner(&files, L".xml");
x3::ScanFiles(&scaner, path.c_str(), false);
m_loaded = true;
std::vector<std::wstring>::const_iterator it = files.begin();
for (; it != files.end(); ++it)
{
if (RegisterFile(*it) > 0)
{
count++;
}
}
if (0 == count && m_groups.empty())
{
X3LOG_INFO2(L"@StringTable:IDS_NO_STRFILE", path);
}
return count;
}
void MyRobot::scaner_turn_around()
{
// Get and enable the camera device
_forward_camera = getCamera("camera_f");
_forward_camera->enable(_time_step);
// Get current image from forward camera
const unsigned char *image = _forward_camera->getImage();
const double *compass_val = _my_compass->getValues();
_compass_angle = convert_bearing_to_degrees(compass_val);
//If the robot detect something green.
if (scaner(image) > 20)
{
/*Finded angle person, if it is the first person we will safe this angle in _compass_angle_green[1]
if its the second it will be saved in _compass_angle_green[0]*/
_compass_angle_green[0] = _compass_angle;
}
else
{
_mode = FAST_TURN_AROUND;
if (_compass_angle_green[0] != 1000.0)
{
if (_compass_angle_green[1] == 1000.0)
{
_compass_angle_green[1] = _compass_angle_green[0]-2;
_compass_angle_green[0] = 1000.0;
}
}
}
if(_compass_angle_green[0]!=1000.0 && _compass_angle_green[1]!=1000.0){
_mode = STOP;
}
}
//出错情况下使用的 词法扫描器，返回新扫描到的词，Syn 返回返回词的 种别码
//扫描跳至下一个 } 的地方 或者是特殊句型开始处
WORD* ScanWithErrorToBlockEnd(int &Syn)
{
WORD* oneword = new WORD;
oneword = scaner();
Syn = oneword->typenum;
//扫描不到 } ，则继续扫描
while( Syn != 39 )//}
{
if(Syn==1000)break; //如果程序结束了，跳出扫描
oneword = scaner();
Syn = oneword->typenum;
}
return (oneword);
}
//出错情况下使用的 词法扫描器，返回新扫描到的词，Syn 返回返回词的 种别码
//扫描跳至下一个 ; 或者 } 的地方 或者是特殊句型开始处
WORD* ScanWithError(int &Syn)
{
WORD* oneword = new WORD;
oneword = scaner();
Syn = oneword->typenum;
//扫描不到 ; 或者 } 的地方 或者是特殊句型开始处，则继续扫描
while( !(Syn==41 || Syn== 39|| (Syn==14 || Syn==20 || Syn==22)) )
{
if(Syn==1000)break; //如果程序结束了，跳出扫描
oneword = scaner();
Syn = oneword->typenum;
}
return (oneword);
}
long Cx_StringTable::LoadFiles(const std::wstring& path)
{
long count = 0;
std::vector<std::wstring> files;
CScanFilesByExtension scaner(&files, L".xml");
ScanFiles(&scaner, path.c_str(), false);
m_loaded = true;
std::vector<std::wstring>::const_iterator it = files.begin();
for (; it != files.end(); ++it)
{
if (RegisterFile(*it) > 0)
{
count++;
}
}
if (0 == count)
{
LOG_INFO2(LOGHEAD L"IDS_NO_STRFILE", path);
}
return count;
}
void expression()
{
term();
while(syn==13 || syn==14) //'+'|'-'
{
scaner();
term();
}
}
void yucu()
{
statement();
while(syn==26) //';'
{
scaner();
statement();
}
}
void expression(){
term();
while(syn == 13 || syn == 14){
scaner();
term();
}
return ;
}
void term()
{
factor();
while(syn==15 || syn==16) //'*'|'/'
{
scaner();
factor();
}
}
void term(){
factor();
while(syn == 15 || syn == 16){
scaner();
factor();
}
return ;
}
void yucu()
{
void statement();
statement();
while (syn == 26)
{
scaner();
statement();
}
return;
}
void statement()
{
if(syn==10) //字母
{
scaner();
if(syn==18) //'='
{
scaner();
expression();
}
else
{
kk=1;
return;
}
}
else
{
kk=1;
return;
}
}
void yucu(){
statement();
while(syn == 26){
scaner();
statement();
}
endFlag = 1;
errorHandler();
return ;
}
void CIniImpl::parse()
{
TRACE_FUN( Routine, "CIniImpl::parse" );
CLexScaner scaner( &stream() );
CCategoryParserDriver driver( file(),
scaner,
category(),
synchronization(),
errorRepository() );
parser theParser( driver );
theParser.parse();
}
void lrparser()
{
if(syn==1) //"main"
{
scaner();
if(syn==27){ //'('
scaner();
if(syn==28){ //')'
scaner();
if(syn==29){ //'{
scaner();
yucu();
int len = strlen(prog);
if(syn==0 && kk==0&&prog[len-3]!='}'){
printf("成功!\n");
return;
}
}
}
}
}
printf("语法错误!\n");
}
void factor()
{
if(syn==10 || syn==11) //字母或数字
{
scaner();
}
else
if(syn==27) //'('
{
scaner();
expression();
if(syn==28) //')'
scaner();
else
{
kk=1;
}
}
else
{
kk=1;
}
}
void statement(){
if(syn == 10){
scaner();
if(syn == 18){
scaner();
expression();
}else{
printf("expression error");
kk = 1;
errorHandler();
}
}else if(syn == 6){
return ;
}else{
printf("statement error");
kk = 1;
errorHandler();
}
}
void main(){
if((file = fopen("e:\\newoutput.txt", "r"))==NULL){
printf("Can't open file");
exit(0);
}
line = (char*)malloc(sizeof(char)*30);
scaner();
lyparser();
}
void lyparser(){
if(syn == 1){
scaner();
yucu();
if(syn == 6){
scaner();
if(syn == 0 && kk == 0) printf("success");
}else {
if(kk!=1) printf("lack of end");
kk = 1;
}
}else{
printf("error with begin");
kk = 1;
yucu();
}
return ;
}
void main()
{
p=0;
FILE *fp;
if((fp=fopen("data.txt","r"))==NULL){
printf("无法打开文件!");
exit(0);
}
fscanf(fp,"%[^$]s",prog); //从流中按格式读取
fclose(fp);
printf("Your words:\n%s\n",prog);
scaner();
lrparser();
printf("\npress # to exit:");
scanf("%[^#]s",prog);
}
int main()
{
p = 0;
printf("\n please input string :\n");
FILE * thesource = freopen(source_file,"r",stdin);
char ch = 0;
do
{
//输入源程序字符串，送到缓冲区prog[p++]中；
ch = getchar();
prog[p++] = ch;
}while(ch!='#');
prog[p] = 0;
p = 0;
// printf("%s",prog);
do
{
scaner();
switch(syn)
{
case 11:
{
printf("(%d,%d)\n",syn,sum);
};break;
case -1:
{
printf("error!\n");
};break;
default:
{
printf("(%d,%s)\n",syn,token);
}
}
}while(syn != 0);
fclose(thesource);
return 0;
}
int main(int argc, char* argv[])
{
string temp;
string fin_file_name, fout_file_name;
if (!(argc == 2 || argc == 3))
{
cout << "Need command line arguments: <input file> [<output file>]." << endl;
return 1;
}
//открытие файлов
if (argc > 1)
{
fin_file_name = Tooem(argv[1]);
}
ifstream fin(fin_file_name, ios::in);
if (!fin)
{
cout << "Error opening file: " << fin_file_name << "!" << endl;
return 1;
}
if (argc > 2)
{
fout_file_name = Tooem(argv[2]);
}
if (fin_file_name == fout_file_name)
{
cout << "Command line arguments is same: <input file> <output file>." << endl;
return 1;
}
ofstream f;
if (!fout_file_name.empty())
{
f.open(fout_file_name, ios::out);
if (!f)
{
cout << "Error opening file: " << fout_file_name << "!" << endl;
return 1;
}
}
Error e;
sPtr(Scaner) scaner(new Scaner);// динамич. указатель на сканер
e.Accept(dynamic_pointer_cast<Scaner>(scaner));
while (!fin.eof())
{
getline(fin, temp);
scaner->SetString(temp);
}
if (e.HasErrors())
{
f << e;
}
else
{
sPtr(Token) t;
size_t max_value_len = scaner->GetMaxTokenLength(); // для выравнивания
f << "<Token List: >" << endl;;
while (true)
{
t = scaner->PopToken();
if (t->type != T_EOF)
{
f << t->ToString(max_value_len) << endl;
}
else
{
break;
}
}
scaner->ResetTokenPos();
f << endl << "<ID List: >" << endl;
set<string> IdList = scaner->GetIdList();
for (set<string>::const_iterator it = IdList.cbegin(); it != IdList.cend(); ++it)
{
f << *it << endl;
}
}
return 0;
}
