-rw-r--r-- | libkcal/versit/vcc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libkcal/versit/vcc.c b/libkcal/versit/vcc.c index 9be752d..5413813 100644 --- a/libkcal/versit/vcc.c +++ b/libkcal/versit/vcc.c @@ -1717,96 +1717,97 @@ static int lexGetc() { lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD; lexBuf.len--; } return c; } static void lexSkipLookaheadWord() { if (lexBuf.strsLen <= lexBuf.len) { lexBuf.len -= lexBuf.strsLen; lexBuf.getPtr = (lexBuf.getPtr + lexBuf.strsLen) % MAX_LEX_LOOKAHEAD; } } static void lexClearToken() { lexBuf.strsLen = 0; } static void lexAppendc(int c) { lexBuf.strs[lexBuf.strsLen] = c; /* append up to zero termination */ if (c == 0) return; lexBuf.strsLen++; if (lexBuf.strsLen > lexBuf.maxToken) { /* double the token string size */ lexBuf.maxToken <<= 1; lexBuf.strs = (char*) realloc(lexBuf.strs,(size_t)lexBuf.maxToken); } } static char* lexStr() { return dupStr(lexBuf.strs,(size_t)lexBuf.strsLen+1); } static void lexSkipWhite() { int c = lexLookahead(); while (c == ' ' || c == '\t') { lexSkipLookahead(); c = lexLookahead(); } } static char* lexGetWord() { int c; lexSkipWhite(); lexClearToken(); c = lexLookahead(); + // LR while (c != EOF && !strchr("\t\n ;:=",c)) { while (c != EOF && !strchr("\t\n ;:=",c)) { lexAppendc(c); lexSkipLookahead(); c = lexLookahead(); } lexAppendc(0); return lexStr(); } static void lexPushLookaheadc(int c) { int putptr; /* can't putback EOF, because it never leaves lookahead buffer */ if (c == EOF) return; putptr = (int)lexBuf.getPtr - 1; if (putptr < 0) putptr += MAX_LEX_LOOKAHEAD; lexBuf.getPtr = putptr; lexBuf.buf[putptr] = c; lexBuf.len += 1; } static char* lexLookaheadWord() { /* this function can lookahead word with max size of MAX_LEX_LOOKAHEAD_0 / and thing bigger than that will stop the lookahead and return 0; / leading white spaces are not recoverable. */ int c; int len = 0; int curgetptr = 0; lexSkipWhite(); lexClearToken(); curgetptr = (int)lexBuf.getPtr; /* remember! */ while (len < (MAX_LEX_LOOKAHEAD_0)) { c = lexGetc(); len++; if (c == EOF || strchr("\t\n ;:=", c)) { lexAppendc(0); /* restore lookahead buf. */ lexBuf.len += len; lexBuf.getPtr = curgetptr; return lexStr(); } else lexAppendc(c); } lexBuf.len += len; /* char that has been moved to lookahead buffer */ lexBuf.getPtr = curgetptr; return 0; } |