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Make fixes, improvements, and chibicc python bindings

Browse source 
- 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
This commit is contained in:
Justine Tunney 2021-10-08 08:11:51 -07:00
parent 28997f3acb
commit 7061c79c22
121 changed files with 5272 additions and 1928 deletions
Download patch file Download diff file Expand all files Collapse all files

143
third_party/chibicc/file.c vendored
View file

@ -45,19 +45,51 @@ char *skip_bom(char *p) {
// Replaces \r or \r\n with \n.
void canonicalize_newline(char *p) {
int i = 0, j = 0;
while (p[i]) {
if (p[i] == '\r' && p[i + 1] == '\n') {
i += 2;
p[j++] = '\n';
} else if (p[i] == '\r') {
i++;
p[j++] = '\n';
char *q = p;
for (;;) {
#if defined(__GNUC__) && defined(__x86_64__) && !defined(__chibicc__) // :'(
typedef char xmm_u __attribute__((__vector_size__(16), __aligned__(1)));
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
if (!((uintptr_t)p & 15)) {
xmm_t v;
unsigned m;
xmm_t z = {0};
xmm_t s = {'\r', '\r', '\r', '\r', '\r', '\r', '\r', '\r',
'\r', '\r', '\r', '\r', '\r', '\r', '\r', '\r'};
xmm_t t = {'\n', '\n', '\n', '\n', '\n', '\n', '\n', '\n',
'\n', '\n', '\n', '\n', '\n', '\n', '\n', '\n'};
for (;;) {
v = *(const xmm_t *)p;
m = __builtin_ia32_pmovmskb128((v == z) | (v == s) | (v == t));
if (!m) {
*(xmm_u *)q = v;
p += 16;
q += 16;
} else {
m = bsf(m);
memmove(q, p, m);
p += m;
q += m;
break;
}
}
}
#endif
if (p[0]) {
if (p[0] == '\r' && p[1] == '\n') {
p += 2;
*q++ = '\n';
} else if (p[0] == '\r') {
p += 1;
*q++ = '\n';
} else {
*q++ = *p++;
}
} else {
p[j++] = p[i++];
break;
}
}
p[j] = '\0';
*q = '\0';
}
// Removes backslashes followed by a newline.
@ -68,37 +100,74 @@ void remove_backslash_newline(char *p) {
// This counter maintain the number of newlines we have removed.
int n = 0;
bool instring = false;
while (p[i]) {
if (instring) {
if (p[i] == '"' && p[i - 1] != '\\') {
instring = false;
}
} else {
if (p[i] == '"') {
instring = true;
} else if (p[i] == '/' && p[i + 1] == '*') {
p[j++] = p[i++];
p[j++] = p[i++];
while (p[i]) {
if (p[i] == '*' && p[i + 1] == '/') {
p[j++] = p[i++];
p[j++] = p[i++];
break;
} else {
p[j++] = p[i++];
}
for (;;) {
#if defined(__GNUC__) && defined(__x86_64__) && !defined(__chibicc__) // :'(
typedef char xmm_u __attribute__((__vector_size__(16), __aligned__(1)));
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
if (!((uintptr_t)(p + i) & 15)) {
xmm_t v;
unsigned m;
xmm_t A = {0};
xmm_t B = {'/', '/', '/', '/', '/', '/', '/', '/',
'/', '/', '/', '/', '/', '/', '/', '/'};
xmm_t C = {'"', '"', '"', '"', '"', '"', '"', '"',
'"', '"', '"', '"', '"', '"', '"', '"'};
xmm_t D = {'\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\',
'\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\'};
xmm_t E = {'\n', '\n', '\n', '\n', '\n', '\n', '\n', '\n',
'\n', '\n', '\n', '\n', '\n', '\n', '\n', '\n'};
for (;;) {
v = *(const xmm_t *)(p + i);
m = __builtin_ia32_pmovmskb128((v == A) | (v == B) | (v == C) |
(v == D) | (v == E));
if (!m) {
*(xmm_u *)(p + j) = v;
i += 16;
j += 16;
} else {
m = bsf(m);
memmove(p + j, p + i, m);
i += m;
j += m;
break;
}
continue;
}
}
if (p[i] == '\\' && p[i + 1] == '\n') {
i += 2;
n++;
} else if (p[i] == '\n') {
p[j++] = p[i++];
for (; n > 0; n--) p[j++] = '\n';
#endif
if (p[i]) {
if (instring) {
if (p[i] == '"' && p[i - 1] != '\\') {
instring = false;
}
} else {
if (p[i] == '"') {
instring = true;
} else if (p[i] == '/' && p[i + 1] == '*') {
p[j++] = p[i++];
p[j++] = p[i++];
while (p[i]) {
if (p[i] == '*' && p[i + 1] == '/') {
p[j++] = p[i++];
p[j++] = p[i++];
break;
} else {
p[j++] = p[i++];
}
}
continue;
}
}
if (p[i] == '\\' && p[i + 1] == '\n') {
i += 2;
n++;
} else if (p[i] == '\n') {
p[j++] = p[i++];
for (; n > 0; n--) p[j++] = '\n';
} else {
p[j++] = p[i++];
}
} else {
p[j++] = p[i++];
break;
}
}
for (; n > 0; n--) p[j++] = '\n';