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#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "util.h"
#include "arg.h"
#include "cc.h"
static void
usage(void)
{
fprintf(stderr, "usage: %s [input]\n", argv0);
exit(2);
}
int
main(int argc, char *argv[])
{
bool pponly = false;
char *output = NULL, *target = NULL;
argv0 = progname(argv[0], "cproc-qbe");
ARGBEGIN {
case 'E':
pponly = true;
break;
case 't':
target = EARGF(usage());
break;
case 'o':
output = EARGF(usage());
break;
default:
usage();
} ARGEND
targinit(target);
if (output && !freopen(output, "w", stdout))
fatal("open %s:", output);
if (argc) {
while (argc--)
scanfrom(argv[argc], NULL);
scanopen();
} else {
scanfrom("<stdin>", stdin);
}
ppinit();
if (pponly) {
ppflags |= PPNEWLINE;
while (tok.kind != TEOF) {
tokenprint(&tok);
next();
}
} else {
scopeinit();
while (tok.kind != TEOF) {
if (!decl(&filescope, NULL)) {
if (tok.kind == TSEMICOLON)
error(&tok.loc, "unexpected ';' at top-level");
error(&tok.loc, "expected declaration or function definition");
}
}
emittentativedefns();
}
fflush(stdout);
if (ferror(stdout))
fatal("write failed");
return 0;
}
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