121   return isalpha(C) || isdigit(C) || C == '_' || C == '-' || C == '.' ||  in isIdentifierChar()
296   if (!isdigit(C.peek())) {  in maybeLexMachineBasicBlock()
302   while (isdigit(C.peek()))  in maybeLexMachineBasicBlock()
325   if (!C.remaining().startswith(Rule) || !isdigit(C.peek(Rule.size())))  in maybeLexIndex()
330   while (isdigit(C.peek()))  in maybeLexIndex()
338   if (!C.remaining().startswith(Rule) || !isdigit(C.peek(Rule.size())))  in maybeLexIndexAndName()
343   while (isdigit(C.peek()))  in maybeLexIndexAndName()
389   if (isdigit(C.peek(Rule.size())))  in maybeLexIRBlock()
399   if (isdigit(C.peek(Rule.size())))  in maybeLexIRValue()
416   while (isdigit(C.peek()))  in lexVirtualRegister()
444     if (isdigit(C.peek(1)))  in maybeLexRegister()
467   if (!isdigit(C.peek(1)))  in maybeLexGlobalValue()
473   while (isdigit(C.peek()))  in maybeLexGlobalValue()
542   while (isdigit(C.peek()))  in lexFloatingPointLiteral()
545       (isdigit(C.peek(1)) ||  in lexFloatingPointLiteral()
546        ((C.peek(1) == '-' || C.peek(1) == '+') && isdigit(C.peek(2))))) {  in lexFloatingPointLiteral()
548     while (isdigit(C.peek()))  in lexFloatingPointLiteral()
578   if (!isdigit(C.peek()) && (C.peek() != '-' || !isdigit(C.peek(1))))  in maybeLexNumericalLiteral()
582   while (isdigit(C.peek()))  in maybeLexNumericalLiteral()
608   if (isdigit(C.peek()) || !isIdentifierChar(C.peek())) {  in maybeLexExclaim()