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Fixed a bug where the preprocessor would occasionally lose whitespace at the beginning of lines immediately after a #endif, which was confusing the assembler.

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This commit is contained in:
dtrg 2007-04-21 23:10:13 +00:00
parent 2a367fa192
commit b66d66b597
1 changed files with 46 additions and 43 deletions
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85
lang/cem/cpp.ansi/preprocess.c
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@ -5,6 +5,8 @@
/* $Id$ */
/* PREPROCESSOR DRIVER */
#include <stdlib.h>
#include <stdio.h>
#include <system.h>
#include <alloc.h>
#include "input.h"
@ -160,57 +162,58 @@ preprocess(fn)
while (startline) {
/* first flush the saved pragma's */
if (pragma_nr) {
register int i = 0;
int LiNo = LineNumber;
char *FiNam = FileName;
register int i = 0;
int LiNo = LineNumber;
char *FiNam = FileName;
while (i < pragma_nr) {
register char *c_ptr = "#pragma";
while (i < pragma_nr) {
register char *c_ptr = "#pragma";
LineNumber = pragma_tab[i].pr_linnr;
FileName = pragma_tab[i].pr_fil;
do_line_dir(lineno, fn);
while (*c_ptr) { echo(*c_ptr++); }
c_ptr = pragma_tab[i].pr_text;
while (*c_ptr) { echo(*c_ptr++); }
newline(); lineno++;
free(pragma_tab[i].pr_text);
i++;
}
free((char *) pragma_tab);
pragma_tab = (struct prag_info *)0;
pragma_nr = 0;
LineNumber = LiNo;
FileName = FiNam;
do_line_dir(lineno, fn);
LineNumber = pragma_tab[i].pr_linnr;
FileName = pragma_tab[i].pr_fil;
do_line_dir(lineno, fn);
while (*c_ptr) { echo(*c_ptr++); }
c_ptr = pragma_tab[i].pr_text;
while (*c_ptr) { echo(*c_ptr++); }
newline(); lineno++;
free(pragma_tab[i].pr_text);
i++;
}
free((char *) pragma_tab);
pragma_tab = (struct prag_info *)0;
pragma_nr = 0;
LineNumber = LiNo;
FileName = FiNam;
do_line_dir(lineno, fn);
}
while (class(c) == STSKIP || c == '/') {
if (c == '/') {
if (!InputLevel) {
c = GetChar();
if (c == '*') {
op = SkipComment(op, &lineno);
if (!op) return;
if (!options['C']) { echo(' '); }
c = GetChar();
continue;
if (c == '/') {
if (!InputLevel) {
c = GetChar();
if (c == '*') {
op = SkipComment(op, &lineno);
if (!op) return;
if (!options['C']) { echo(' '); }
c = GetChar();
continue;
}
UnGetChar();
c = '/';
}
break;
}
UnGetChar();
c = '/';
}
break;
}
echo(c);
c = GetChar();
echo(c);
c = GetChar();
}
if (c == '#') {
domacro();
lineno++;
newline();
c = GetChar();
domacro();
lineno++;
newline();
do_line_dir(lineno, fn);
c = GetChar();
} else startline = 0;
}
do_line_dir(lineno, fn);