74 lines
1.1 KiB
C
74 lines
1.1 KiB
C
/* $Header$ */
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/* PREPROCESSOR: INPUT SKIP FUNCTIONS */
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#include "nopp.h"
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#include "arith.h"
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#include "LLlex.h"
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#include "class.h"
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#include "input.h"
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#include "interface.h"
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#ifndef NOPP
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PRIVATE int
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skipspaces(ch)
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register int ch;
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{
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/* skipspaces() skips any white space and returns the first
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non-space character.
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*/
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for (;;) {
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while (class(ch) == STSKIP)
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LoadChar(ch);
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/* How about "\\\n"????????? */
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if (ch == '/') {
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LoadChar(ch);
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if (ch == '*') {
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skipcomment();
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LoadChar(ch);
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}
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else {
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PushBack();
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return '/';
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}
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}
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else
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return ch;
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}
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}
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#endif NOPP
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PRIVATE
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skipline()
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{
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/* skipline() skips all characters until a newline character
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is seen, not escaped by a '\\'.
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Any comment is skipped.
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*/
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register int c;
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LoadChar(c);
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while (class(c) != STNL && c != EOI) {
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if (c == '\\') {
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LoadChar(c);
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if (class(c) == STNL)
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++LineNumber;
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}
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if (c == '/') {
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LoadChar(c);
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if (c == '*')
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skipcomment();
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else
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continue;
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}
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LoadChar(c);
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}
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++LineNumber;
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if (c == EOI) { /* garbage input... */
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lexerror("unexpected EOF while skipping text");
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PushBack();
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}
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}
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