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Add chibicc

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This program popped up on Hacker News recently. It's the only modern
compiler I've ever seen that doesn't have dependencies and is easily
modified. So I added all of the missing GNU extensions I like to use
which means it might be possible soon to build on non-Linux and have
third party not vendor gcc binaries.
This commit is contained in:
Justine Tunney 2020-12-05 12:20:41 -08:00
parent e44a0cf6f8
commit 8da931a7f6
298 changed files with 19493 additions and 11950 deletions
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19
tool/build/calculator.c
View file

@ -33,7 +33,7 @@
#include "libc/sysv/consts/sig.h"
#include "libc/tinymath/emodl.h"
#include "libc/x/x.h"
#include "third_party/dtoa/dtoa.h"
#include "third_party/gdtoa/gdtoa.h"
#include "third_party/getopt/getopt.h"
#define INT intmax_t
@ -162,7 +162,7 @@ INT Popcnt(INT x) {
char *Repr(struct Value x) {
static char buf[64];
if (x.t == kFloat) {
g_fmt(buf, x.f);
g_xfmt_p(buf, &x.f, 16, sizeof(buf), 0);
} else {
sprintf(buf, "%jd", x.i);
}
@ -256,36 +256,47 @@ void Pushf(FLOAT f) {
void OpDrop(void) {
Pop();
}
void OpDup(void) {
Push(Push(Pop()));
}
void OpExit(void) {
exit(Popi());
}
void OpSrand(void) {
srand(Popi());
}
void OpEmit(void) {
fputwc(Popi(), stdout);
}
void OpCr(void) {
Cr(stdout);
}
void OpPrint(void) {
printf("%s ", Repr(Pop()));
}
void OpComment(void) {
comment = true;
}
void Glue0f(FLOAT fn(void)) {
Pushf(fn());
}
void Glue0i(INT fn(void)) {
Pushi(fn());
}
void Glue1f(FLOAT fn(FLOAT)) {
Pushf(fn(Popf()));
}
void Glue1i(INT fn(INT)) {
Pushi(fn(Popi()));
}
@ -562,12 +573,16 @@ void GotoStartOfLine(void) {
void GotoEndOfLine(void) {
}
void GotoPrevLine(void) {
}
void GotoNextLine(void) {
}
void GotoPrevChar(void) {
}
void GotoNextChar(void) {
}