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Added support for multiline comments using '/*' and '*/'

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This commit is contained in:
cpunch 2021-02-10 15:39:36 -06:00
parent 78e21a0f28
commit 7db0782991
1 changed files with 15 additions and 3 deletions
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18
src/clex.c
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@ -147,6 +147,8 @@ static char peekNext(CLexState *state) {
}
char next(CLexState *state) {
if (isEnd(state))
return '\0'; // return a null terminator
state->currentChar++;
return state->currentChar[-1];
}
@ -182,11 +184,21 @@ void skipWhitespace(CLexState *state) {
break;
case '/': // consume comments
if (peekNext(state) == '/') {
// skip to next line (also let \n be consumed on the next iteration to properly handle that)
while (!isEnd(state) && peek(state) != '\n' && peek(state) != '\0') // if it's not a newline or null terminator
while (!isEnd(state) && peek(state) != '\n') // if it's not a newline or the end of the source
next(state);
// keep consuming whitespace
break;
} else if (peekNext(state) == '*') { // multiline comments
while (!isEnd(state) && !(peek(state) == '*' && peekNext(state) == '/')) // if it's the end of the comment or the end of the source
next(state);
// consume the '*/'
next(state);
next(state);
// keep consuming whitespace
break;
}
return; // it's a TOKEN_SLASH, let the main body handle that