Make fixes, improvements, and chibicc python bindings

- python now mixes audio 10x faster
- python octal notation is restored
- chibicc now builds code 3x faster
- chibicc now has help documentation
- chibicc can now generate basic python bindings
- linenoise now supports some paredit-like features

See #141

third_party/python/Modules/_decimal/_decimal.c

@@ -28,7 +28,6 @@
 │ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/fmt/fmt.h"
-#include "libc/log/libfatal.internal.h"
 #include "third_party/python/Include/abstract.h"
 #include "third_party/python/Include/boolobject.h"
 #include "third_party/python/Include/complexobject.h"

third_party/python/Modules/_decimal/libmpdec/umodarith.h

@@ -1,6 +1,5 @@
 #ifndef UMODARITH_H
 #define UMODARITH_H
-#include "libc/log/libfatal.internal.h"
 #include "third_party/python/Modules/_decimal/libmpdec/constants.h"
 #include "third_party/python/Modules/_decimal/libmpdec/mpdecimal.h"
 #include "third_party/python/Modules/_decimal/libmpdec/typearith.h"

third_party/python/Modules/_hashmbedtls.c

@@ -18,7 +18,6 @@
 #define PY_SSIZE_T_CLEAN
 #include "libc/calls/calls.h"
 #include "libc/log/backtrace.internal.h"
-#include "libc/log/libfatal.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
@@ -27,7 +26,6 @@
 #include "third_party/mbedtls/md.h"
 #include "third_party/mbedtls/pkcs5.h"
 #include "third_party/python/Include/Python.h"
-#include "third_party/python/Include/ezprint.h"
 #include "third_party/python/Include/import.h"
 #include "third_party/python/Include/object.h"
 #include "third_party/python/Include/pyerrors.h"

third_party/python/Modules/_testcapimodule.c

@@ -1629,7 +1629,7 @@ getargs_u(PyObject *self, PyObject *args)
     Py_ssize_t size;
     if (!PyArg_ParseTuple(args, "u", &str))
         return NULL;
-    size = Py_UNICODE_strlen(str);
+    size = wcslen(str);
     return PyUnicode_FromUnicode(str, size);
 }
 
@@ -1651,7 +1651,7 @@ getargs_Z(PyObject *self, PyObject *args)
     if (!PyArg_ParseTuple(args, "Z", &str))
         return NULL;
     if (str != NULL) {
-        size = Py_UNICODE_strlen(str);
+        size = wcslen(str);
         return PyUnicode_FromUnicode(str, size);
     } else
         Py_RETURN_NONE;

third_party/python/Modules/audioop.c

@@ -849,7 +849,34 @@ audioop_add_impl(PyObject *module, Py_buffer *fragment1,
     if (rv == NULL)
         return NULL;
     ncp = (signed char *)PyBytes_AsString(rv);
-    for (i = 0; i < fragment1->len; i += width) {
+    i = 0;
+#if defined(__GNUC__) && defined(__SSE2__)
+    /* [jart] make audio mixing 20x faster */
+    if (width == 2) {
+        for (; i + 16 <= fragment1->len; i += 16) {
+            asm("movups\t%1,%%xmm0\n\t"
+                "movups\t%2,%%xmm1\n\t"
+                "paddsw\t%%xmm1,%%xmm0\n\t"
+                "movups\t%%xmm0,%0"
+                : "=m"(*(char(*)[16])(ncp + i))
+                : "m"(*(char(*)[16])((char *)fragment1->buf + i)),
+                  "m"(*(char(*)[16])((char *)fragment2->buf + i))
+                : "xmm0", "xmm1");
+        }
+    } else if (width == 1) {
+        for (; i + 16 <= fragment1->len; i += 16) {
+            asm("movups\t%1,%%xmm0\n\t"
+                "movups\t%2,%%xmm1\n\t"
+                "paddsb\t%%xmm1,%%xmm0\n\t"
+                "movups\t%%xmm0,%0"
+                : "=m"(*(char(*)[16])(ncp + i))
+                : "m"(*(char(*)[16])((char *)fragment1->buf + i)),
+                  "m"(*(char(*)[16])((char *)fragment2->buf + i))
+                : "xmm0", "xmm1");
+        }
+    }
+#endif
+    for (; i < fragment1->len; i += width) {
         int val1 = GETRAWSAMPLE(width, fragment1->buf, i);
         int val2 = GETRAWSAMPLE(width, fragment2->buf, i);
         if (width < 4) {

third_party/python/Modules/tlsmodule.c

@@ -19,7 +19,6 @@
 #include "libc/assert.h"
 #include "libc/calls/calls.h"
 #include "libc/errno.h"
-#include "libc/log/libfatal.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"