ack/lang/cem/cemcom.ansi/skip.c
1989-02-07 11:04:05 +00:00

70 lines
1.1 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
/* PREPROCESSOR: INPUT SKIP FUNCTIONS */
#include "nopp.h"
#include "arith.h"
#include "LLlex.h"
#include "class.h"
#include "input.h"
#ifndef NOPP
int
skipspaces(ch, skipnl)
register int ch;
{
/* skipspaces() skips any white space and returns the first
non-space character.
*/
for (;;) {
while (class(ch) == STSKIP)
ch = GetChar();
if (skipnl && class(ch) == STNL) {
ch = GetChar();
++LineNumber;
continue;
}
/* \\\n are handled by trigraph */
if (ch == '/') {
ch = GetChar();
if (ch == '*') {
skipcomment();
ch = GetChar();
}
else {
UnGetChar();
return '/';
}
}
else
return ch;
}
}
#endif NOPP
SkipToNewLine(garbage)
int garbage;
{
register int ch;
register int pstrict = 0;
UnGetChar();
while ((ch = GetChar()) != '\n') {
if (ch == '/') {
if ((ch = GetChar()) == '*') {
skipcomment();
continue;
}
}
if (garbage && !is_wsp(ch))
pstrict = 1;
}
++LineNumber;
return pstrict;
}