(For thought)
a. A token of a computer language is any sequence of characters, with no intervening characters or white space, that taken as a unit has a unique meaning. Using this definition of a token, determine whether escape sequences, function names, and the keywords listed in Table are tokens of the C++ language.
b. Discuss whether adding white space to a message alters the message and whether messages can be considered tokens of C++.
c. Using the definition of a token in Exercise a, determine whether the following statement is true: “Except for tokens of the language, C++ ignores all white space.”
Table:
auto | delete | goto | public | this |
break | do | if | register | template |
case | double | inline | return | typedef |
catch | else | int | short | union |
char | enum | long | signed | unsigned |
class | extern | new | sizeof | virtual |
const | float | overload | static | void |
continue | for | private | struct | volatile |
default | friend | protected | switch | while |
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