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Improve Python tree-shaking

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This commit is contained in:
Justine Tunney 2021-09-06 19:24:10 -07:00
parent 5bb2275788
commit 4f41f2184d
169 changed files with 4182 additions and 2411 deletions
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32
tool/build/compile.c
View file

@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/bits/bits.h"
#include "libc/bits/safemacros.internal.h"
#include "libc/calls/calls.h"
#include "libc/calls/copyfile.h"
@ -107,6 +108,7 @@ bool no_sanitize_null;
bool no_sanitize_alignment;
bool no_sanitize_pointer_overflow;
char *err;
char *cmd;
char *comdbg;
char *cachedcmd;
@ -338,13 +340,6 @@ int Launch(struct rusage *ru) {
return ws;
}
char *GetResourceReport(struct rusage *ru) {
char *report = 0;
appendf(&report, "\n");
AppendResourceReport(&report, ru, "\n");
return report;
}
int main(int argc, char *argv[]) {
size_t n;
char *p, **envp;
@ -673,21 +668,28 @@ int main(int argc, char *argv[]) {
}
return 0;
} else {
p = xasprintf("%s%s %s %d%s: %.*s%s\n", RED2, DescribeCommand(),
"exited with", WEXITSTATUS(ws), RESET, command.n, command.p,
GetResourceReport(&ru));
appendf(&err, "%s%s %s %d%s: ", RED2, DescribeCommand(), "exited with",
WEXITSTATUS(ws), RESET);
rc = WEXITSTATUS(ws);
}
} else {
p = xasprintf("%s%s %s %s%s: %.*s%s\n", RED2, DescribeCommand(),
"terminated by", strsignal(WTERMSIG(ws)), RESET, command.n,
command.p, GetResourceReport(&ru));
appendf(&err, "%s%s %s %s%s: ", RED2, DescribeCommand(), "terminated by",
strsignal(WTERMSIG(ws)), RESET);
rc = 128 + WTERMSIG(ws);
}
/*
* print full command in the event of error
* print command in the event of error
*/
write(2, p, strlen(p));
if (command.n > 2048) {
appendd(&err, command.p, 2048);
appendw(&err, READ32LE("..."));
} else {
appendd(&err, command.p, command.n);
}
appendw(&err, '\n');
AppendResourceReport(&err, &ru, "\n");
appendw(&err, '\n');
write(2, err, appendz(err).i);
return rc;
}

22
tool/build/lib/interner.c
View file

@ -134,3 +134,25 @@ size_t internobj(struct Interner *t, const void *data, size_t size) {
size_t intern(struct Interner *t, const char *s) {
return internobj(t, s, strlen(s) + 1);
}
/**
* Returns true if string is interned.
*/
bool isinterned(struct Interner *t, const char *s) {
unsigned hash;
size_t i, n, step;
struct InternerObject *it;
step = 0;
n = strlen(s) + 1;
hash = max(1, crc32c(0, s, n));
it = (struct InternerObject *)t;
do {
i = (hash + step * ((step + 1) >> 1)) & (it->n - 1);
if (it->p[i].hash == hash && it->p[i].index + n <= it->pool.n &&
!memcmp(s, &it->pool.p[it->p[i].index], n)) {
return true;
}
step++;
} while (it->p[i].hash);
return false;
}

1
tool/build/lib/interner.h
View file

@ -14,6 +14,7 @@ void freeinterner(struct Interner *);
size_t interncount(const struct Interner *) paramsnonnull();
size_t internobj(struct Interner *, const void *, size_t) paramsnonnull();
size_t intern(struct Interner *, const char *) paramsnonnull();
bool isinterned(struct Interner *, const char *) paramsnonnull();
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */