本文整理汇总了C++中Scanner::lineNumber方法的典型用法代码示例。如果您正苦于以下问题：C++ Scanner::lineNumber方法的具体用法？C++ Scanner::lineNumber怎么用？C++ Scanner::lineNumber使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Scanner的用法示例。
在下文中一共展示了Scanner::lineNumber方法的10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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Statement
void Parser:: Statement() {
switch(lookahead) {
int tempVal;
case T_M:
match(T_M);
match(T_OPENBRACKET);
Expression();
if( evaluate == true) {
tempVal= value;
}
match(T_CLOSEBRACKET);
match(T_EQUALS);
Expression();
if( evaluate == true) {
if( (tempVal<0) || (tempVal>99) ) indexError(scanner.lineNumber(), tempVal);
m[tempVal] = value;
}
break;
case T_PRINT:
match(T_PRINT);
Expression();
if( evaluate == true ) {
std::cout << value << std::endl;
}
break;
default:
parseError(scanner.lineNumber(), lookahead);
break;
}
}示例2: Factor_Tail
// Factor_Tail-> "*" power Factor_Tail | "/"" power Factor_Tail | Epsolon
void Parser::Factor_Tail()
{
switch (scanner.nextToken()) {
case T_MULTIPLY: // *
{
scanner.eatToken(T_MULTIPLY);
Power();
if (scanner.nextToken() == T_MULTIPLY || scanner.nextToken() == T_DIVIDE)
Factor_Tail();
break;
}
case T_DIVIDE: // /
{
scanner.eatToken(T_DIVIDE);
Power();
if (scanner.nextToken() == T_MULTIPLY || scanner.nextToken() == T_DIVIDE)
Factor_Tail();
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}示例3: Exp_Tail
//Exp_Tail -> "+" Factor Exp_Tail | "-" Factor Exp_Tail | EPSOLON
void Parser::Exp_Tail()
{
switch (scanner.nextToken())
{
case T_PLUS: // +
{
scanner.eatToken(T_PLUS);
Factor();
if (scanner.nextToken() == T_PLUS || scanner.nextToken() == T_MINUS)
Exp_Tail();
break;
}
case T_MINUS: // -
{
scanner.eatToken(T_MINUS);
Factor();
if (scanner.nextToken() == T_PLUS || scanner.nextToken() == T_MINUS)
Exp_Tail();
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}示例4: Final
// final -> Num | "(" Expression ")" | m [ Expression ]
void Parser:: Final()
{
switch (scanner.nextToken())
{
case T_OPENPAREN: // (
{
scanner.eatToken(T_OPENPAREN);
switch(scanner.nextToken())
{
case T_M:
case T_NUMBER:
case T_OPENPAREN:
Expression();
case T_EOF:
break;
}
scanner.eatToken(T_CLOSEPAREN);
break;
}
case T_M: // m
{
scanner.eatToken(T_M);
scanner.eatToken(T_OPENBRACKET);
switch(scanner.nextToken())
{
case T_M:
case T_NUMBER:
case T_OPENPAREN:
Expression();
case T_EOF:
break;
}
scanner.eatToken(T_CLOSEBRACKET);
break;
}
case T_NUMBER: // num
{
scanner.eatToken(T_NUMBER);
num_parser = scanner.getNumberValue();
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}示例5: match
void Parser::match(token current_token) {
if(current_token == lookahead) {
scanner.eatToken(current_token);
lookahead = scanner.nextToken();
}
else {
mismatchError(scanner.lineNumber(),current_token , lookahead);
}
}示例6:
void Parser::MultDiv_1() {
switch(lookahead) {
int tempVal;
case T_MULTIPLY:
match(T_MULTIPLY);
if( evaluate == true) {
tempVal = value;
}
Exp();
if( evaluate == true) {
value = tempVal * value;
}
MultDiv_1();
break;
case T_DIVIDE:
match(T_DIVIDE);
if( evaluate == true) {
tempVal = value;
}
Exp();
if( evaluate == true) {
if (value == 0 ) divideError(scanner.lineNumber());
value = tempVal / value;
}
MultDiv_1();
break;
case T_SEMICOLON:
case T_EOF:
case T_PLUS:
case T_MINUS:
case T_CLOSEPAREN:
case T_CLOSEBRACKET:
//epsilon
break;
default:
parseError(scanner.lineNumber(), lookahead);
break;
}
}示例7: Power_Tail
// power_Tail -> "**" final power_Tail | Epsilon
void Parser::Power_Tail()
{
switch (scanner.nextToken()) {
case T_POWER: // **
{
scanner.eatToken(T_POWER);
Final();
if (scanner.nextToken() == T_POWER)
Power_Tail();
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}示例8: switch
void Parser::SubAdd_1() {
switch(lookahead) {
int tempVal;
int tempVal_2;
case T_PLUS:
match(T_PLUS);
if( evaluate == true) {
tempVal = value;
}
MultDiv();
if( evaluate == true) {
value = tempVal + value;
}
SubAdd_1();
break;
case T_MINUS:
match(T_MINUS);
if( evaluate == true) {
tempVal_2 = value;
}
MultDiv();
if( evaluate == true) {
value = tempVal_2 - value;
}
SubAdd_1();
break;
case T_SEMICOLON:
case T_EOF:
case T_CLOSEPAREN:
case T_CLOSEBRACKET:
//epsilon
break;
default:
parseError(scanner.lineNumber(), lookahead);
break;
}
}示例9: Term
// Term -> ; Statement Term | Epsolon
void Parser::Term()
{
//cout<< tokenToString(scanner.nextToken()) <<endl;
switch (scanner.nextToken()) {
case T_SEMICOLON: //;
{
scanner.eatToken(T_SEMICOLON);
Statement();
if (scanner.nextToken() == T_SEMICOLON)
Term();
//Term();
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}示例10: Statement
// Statement -> "m" "[" Expression "]" "=" Expression | print Expression
void Parser::Statement()
{
switch(scanner.nextToken())
{
case T_M:
{
scanner.eatToken(T_M);
scanner.eatToken(T_OPENBRACKET);
switch(scanner.nextToken())
{
case T_M:
case T_NUMBER:
case T_OPENPAREN:
Expression();
case T_EOF:
break;
}
scanner.eatToken(T_CLOSEBRACKET);
scanner.eatToken(T_EQUALS);
switch(scanner.nextToken())
{
case T_M:
case T_NUMBER:
case T_OPENPAREN:
Expression();
case T_EOF:
break;
}
break;
}
case T_PRINT:
{
scanner.eatToken(T_PRINT);
switch(scanner.nextToken())
{
case T_M:
case T_NUMBER:
case T_OPENPAREN:
Expression();
case T_EOF:
break;
}
break;
}
case T_EOF:
break;
default:
{
parseError(scanner.lineNumber(), scanner.nextToken());
break;
}
}
}