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Improve documentation

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The Cosmo API documentation page is pretty good now
https://justine.lol/cosmopolitan/documentation.html
This commit is contained in:
Justine Tunney 2020-12-27 07:02:35 -08:00
parent 13437dd19b
commit 1bc3a25505
367 changed files with 2542 additions and 26178 deletions
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45
third_party/chibicc/chibicc.c vendored
View file

@ -1,3 +1,5 @@
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/ucontext.h"
#include "third_party/chibicc/chibicc.h"
asm(".ident\t\"\\n\\n\
@ -381,10 +383,9 @@ static bool run_subprocess(char **argv) {
for (int i = 1; argv[i]; i++) fprintf(stderr, " %s", argv[i]);
fprintf(stderr, "\n");
}
if (fork() == 0) {
if (!vfork()) {
// Child process. Run a new command.
execvp(argv[0], argv);
fprintf(stderr, "exec failed: %s: %s\n", argv[0], strerror(errno));
_exit(1);
}
// Wait for the child process to finish.
@ -503,7 +504,7 @@ static Token *append_tokens(Token *tok1, Token *tok2) {
return tok1;
}
static FileType get_file_type(char *filename) {
static FileType get_file_type(const char *filename) {
if (opt_x != FILE_NONE) return opt_x;
if (endswith(filename, ".a")) return FILE_AR;
if (endswith(filename, ".o")) return FILE_OBJ;
@ -514,7 +515,13 @@ static FileType get_file_type(char *filename) {
}
static void cc1(void) {
FileType ft;
Token *tok = NULL;
ft = get_file_type(base_file);
if (opt_J && (ft == FILE_ASM || ft == FILE_ASM_CPP)) {
output_javadown_asm(output_file, base_file);
return;
}
// Process -include option
for (int i = 0; i < opt_include.len; i++) {
char *incl = opt_include.data[i];
@ -538,7 +545,7 @@ static void cc1(void) {
if (opt_M) return;
}
// If -E is given, print out preprocessed C code as a result.
if (opt_E || get_file_type(base_file) == FILE_ASM_CPP) {
if (opt_E || ft == FILE_ASM_CPP) {
print_tokens(tok);
return;
}
@ -605,8 +612,13 @@ static void run_linker(StringArray *inputs, char *output) {
handle_exit(run_subprocess(arr.data));
}
static void OnCtrlC(int sig, siginfo_t *si, ucontext_t *ctx) {
exit(1);
}
int chibicc(int argc, char **argv) {
showcrashreports();
sigaction(SIGINT, &(struct sigaction){.sa_sigaction = OnCtrlC}, NULL);
atexit(cleanup);
init_macros();
parse_args(argc, argv);
@ -649,6 +661,18 @@ int chibicc(int argc, char **argv) {
strarray_push(&ld_args, input);
continue;
}
// Dox
if (opt_J) {
if (opt_c) {
handle_exit(run_cc1(argc, argv, input, output));
} else {
char *tmp = create_tmpfile();
if (run_cc1(argc, argv, input, tmp)) {
strarray_push(&dox_args, tmp);
}
}
continue;
}
// Handle .s
if (type == FILE_ASM) {
if (!opt_S) {
@ -657,6 +681,11 @@ int chibicc(int argc, char **argv) {
continue;
}
assert(type == FILE_C || type == FILE_ASM_CPP);
// Just print ast.
if (opt_A) {
handle_exit(run_cc1(argc, argv, input, NULL));
continue;
}
// Just preprocess
if (opt_E || opt_M) {
handle_exit(run_cc1(argc, argv, input, NULL));
@ -674,14 +703,6 @@ int chibicc(int argc, char **argv) {
assemble(tmp, output);
continue;
}
// Dox
if (opt_J) {
char *tmp = create_tmpfile();
if (run_cc1(argc, argv, input, tmp)) {
strarray_push(&dox_args, tmp);
}
continue;
}
// Compile, assemble and link
char *tmp1 = create_tmpfile();
char *tmp2 = create_tmpfile();