/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2013 Jay Freeman (saurik)
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
*/
-/* GNU General Public License, Version 3 {{{ */
+/* GNU Affero General Public License, Version 3 {{{ */
/*
- * Cycript is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation, either version 3 of the License,
- * or (at your option) any later version.
- *
- * Cycript is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */
#endif
#include <cstdio>
+#include <fstream>
#include <sstream>
#include <setjmp.h>
#include <readline/history.h>
#endif
-#include <sys/mman.h>
-
#include <errno.h>
+#include <getopt.h>
+#include <signal.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <pwd.h>
-#include <apr_getopt.h>
-#include <apr_pools.h>
-#include <apr_strings.h>
-
#include <dlfcn.h>
#include "Display.hpp"
-#include "Replace.hpp"
-
-#include "Cycript.tab.hh"
#include "Driver.hpp"
+#include "Highlight.hpp"
+#include "Replace.hpp"
static volatile enum {
Working,
case Parsing:
longjmp(ctrlc_, 1);
case Running:
- throw "*** Ctrl-C";
+ CYCancel();
+ return;
case Sending:
return;
case Waiting:
}
}
-#if YYDEBUG
static bool bison_;
-#endif
static bool strict_;
static bool pretty_;
-void Setup(CYDriver &driver, cy::parser &parser) {
-#if YYDEBUG
+void Setup(CYDriver &driver) {
if (bison_)
- parser.set_debug_level(1);
-#endif
+ driver.debug_ = 1;
if (strict_)
driver.strict_ = true;
}
-void Setup(CYOutput &out, CYDriver &driver, CYOptions &options) {
+void Setup(CYPool &pool, CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
out.pretty_ = pretty_;
- CYContext context(options);
- driver.program_->Replace(context);
+ if (lower)
+ driver.Replace(pool, options);
}
static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
if (client == -1) {
mode_ = Running;
#ifdef CY_EXECUTE
- json = CYExecute(pool, code);
+ json = CYExecute(CYGetJSContext(), pool, code);
#else
json = NULL;
#endif
static std::string command_;
-static CYExpression *ParseExpression(CYUTF8String code) {
- std::stringstream stream;
- stream << '(' << code << ')';
- CYDriver driver(stream);
-
- cy::parser parser(driver);
- Setup(driver, parser);
-
- if (parser.parse() != 0 || !driver.errors_.empty())
- return NULL;
-
- CYOptions options;
- CYContext context(options);
-
- // XXX: this could be replaced with a CYStatement::Primitive()
- if (CYExpress *express = dynamic_cast<CYExpress *>(driver.program_->statements_))
- return express->expression_->Primitive(context);
+static int client_;
- return NULL;
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return Run(pool, client_, code);
}
-static int client_;
-
static char **Complete(const char *word, int start, int end) {
- rl_attempted_completion_over = TRUE;
-
- CYLocalPool pool;
-
+ rl_attempted_completion_over = ~0;
std::string line(rl_line_buffer, start);
- std::istringstream stream(command_ + line);
- CYDriver driver(stream);
-
- driver.auto_ = true;
-
- cy::parser parser(driver);
- Setup(driver, parser);
-
- if (parser.parse() != 0 || !driver.errors_.empty())
- return NULL;
-
- if (driver.mode_ == CYDriver::AutoNone)
- return NULL;
-
- CYExpression *expression;
-
- CYOptions options;
- CYContext context(options);
-
- std::ostringstream prefix;
-
- switch (driver.mode_) {
- case CYDriver::AutoPrimary:
- expression = $ CYThis();
- break;
-
- case CYDriver::AutoDirect:
- expression = driver.context_;
- break;
-
- case CYDriver::AutoIndirect:
- expression = $ CYIndirect(driver.context_);
- break;
-
- case CYDriver::AutoMessage: {
- CYDriver::Context &thing(driver.contexts_.back());
- expression = $M($C1($V("object_getClass"), thing.context_), $S("messages"));
- for (CYDriver::Context::Words::const_iterator part(thing.words_.begin()); part != thing.words_.end(); ++part)
- prefix << (*part)->word_ << ':';
- } break;
-
- default:
- _assert(false);
- }
-
- std::string begin(prefix.str());
-
- driver.program_ = $ CYProgram($ CYExpress($C3(ParseExpression(
- " function(object, prefix, word) {\n"
- " var names = [];\n"
- " var before = prefix.length;\n"
- " prefix += word;\n"
- " var entire = prefix.length;\n"
- " for (name in object)\n"
- " if (name.substring(0, entire) == prefix)\n"
- " names.push(name.substr(before));\n"
- " return names;\n"
- " }\n"
- ), expression, $S(begin.c_str()), $S(word))));
-
- driver.program_->Replace(context);
-
- std::ostringstream str;
- CYOutput out(str, options);
- out << *driver.program_;
-
- std::string code(str.str());
- CYUTF8String json(Run(pool, client_, code));
- // XXX: if this fails we should not try to parse it
-
- CYExpression *result(ParseExpression(json));
- if (result == NULL)
- return NULL;
-
- CYArray *array(dynamic_cast<CYArray *>(result));
-
- if (array == NULL) {
- *out_ << '\n';
- Output(false, json, out_);
- rl_forced_update_display();
- return NULL;
- }
-
- // XXX: use an std::set?
- typedef std::vector<std::string> Completions;
- Completions completions;
-
- std::string common;
- bool rest(false);
-
- CYForEach (element, array->elements_) {
- CYString *string(dynamic_cast<CYString *>(element->value_));
- _assert(string != NULL);
-
- std::string completion;
- if (string->size_ != 0)
- completion.assign(string->value_, string->size_);
- else if (driver.mode_ == CYDriver::AutoMessage)
- completion = "]";
- else
- continue;
-
- completions.push_back(completion);
-
- if (!rest) {
- common = completion;
- rest = true;
- } else {
- size_t limit(completion.size()), size(common.size());
- if (size > limit)
- common = common.substr(0, limit);
- else
- limit = size;
- for (limit = 0; limit != size; ++limit)
- if (common[limit] != completion[limit])
- break;
- if (limit != size)
- common = common.substr(0, limit);
- }
- }
-
- size_t count(completions.size());
- if (count == 0)
- return NULL;
-
- size_t colon(common.find(':'));
- if (colon != std::string::npos)
- common = common.substr(0, colon + 1);
- if (completions.size() == 1)
- common += ' ';
-
- char **results(reinterpret_cast<char **>(malloc(sizeof(char *) * (count + 2))));
-
- results[0] = strdup(common.c_str());
- size_t index(0);
- for (Completions::const_iterator i(completions.begin()); i != completions.end(); ++i)
- results[++index] = strdup(i->c_str());
- results[count + 1] = NULL;
-
- return results;
+ return CYComplete(word, command_ + line, &Run);
}
// need char *, not const char *
static char name_[] = "cycript";
-static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
+static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]";
class History {
private:
~History() {
if (append_history$ != NULL) {
- _syscall(close(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600))));
+ int fd(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600)));
+ _syscall(close(fd));
_assert((*append_history$)(histlines_, histfile_.c_str()) == 0);
} else {
_assert(write_history(histfile_.c_str()) == 0);
}
void operator +=(const std::string &command) {
- add_history(command_.c_str());
+ add_history(command.c_str());
++histlines_;
}
};
static void Console(CYOptions &options) {
- CYPool pool;
-
- passwd *passwd;
- if (const char *username = getenv("LOGNAME"))
- passwd = getpwnam(username);
- else
- passwd = getpwuid(getuid());
+ std::string basedir;
+ if (const char *home = getenv("HOME"))
+ basedir = home;
+ else {
+ passwd *passwd;
+ if (const char *username = getenv("LOGNAME"))
+ passwd = getpwnam(username);
+ else
+ passwd = getpwuid(getuid());
+ basedir = passwd->pw_dir;
+ }
- std::string basedir(passwd->pw_dir);
basedir += "/.cycript";
mkdir(basedir.c_str(), 0700);
bool bypass(false);
bool debug(false);
bool expand(false);
+ bool lower(true);
bool syntax(true);
out_ = &std::cout;
read:
#if RL_READLINE_VERSION >= 0x0600
- if (syntax) {
- rl_prep_term_function = CYDisplayStart;
+ if (syntax)
rl_redisplay_function = CYDisplayUpdate;
- rl_deprep_term_function = CYDisplayFinish;
- } else {
- rl_prep_term_function = rl_prep_terminal;
+ else
rl_redisplay_function = rl_redisplay;
- rl_deprep_term_function = rl_deprep_terminal;
- }
#endif
mode_ = Parsing;
} else if (data == "debug") {
debug = !debug;
*out_ << "debug == " << (debug ? "true" : "false") << std::endl;
+ } else if (data == "destroy") {
+ CYDestroyContext();
+ } else if (data == "gc") {
+ *out_ << "collecting... " << std::flush;
+ CYGarbageCollect(CYGetJSContext());
+ *out_ << "done." << std::endl;
+ } else if (data == "exit") {
+ return;
} else if (data == "expand") {
expand = !expand;
*out_ << "expand == " << (expand ? "true" : "false") << std::endl;
+ } else if (data == "lower") {
+ lower = !lower;
+ *out_ << "lower == " << (lower ? "true" : "false") << std::endl;
} else if (data == "syntax") {
syntax = !syntax;
*out_ << "syntax == " << (syntax ? "true" : "false") << std::endl;
}
- history += line;
+ command_ = line;
+ history += command_;
goto restart;
}
}
command_ += line;
+ command_ += "\n";
char *begin(line), *end(line + strlen(line));
while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
if (bypass)
code = command_;
else {
- CYLocalPool pool;
-
std::istringstream stream(command_);
CYDriver driver(stream);
+ Setup(driver);
- cy::parser parser(driver);
- Setup(driver, parser);
+ CYPool pool;
+ bool failed(driver.Parse(pool));
- if (parser.parse() != 0 || !driver.errors_.empty()) {
+ if (failed || !driver.errors_.empty()) {
for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
- cy::position begin(error->location_.begin);
- if (begin.line != lines.size() || begin.column < lines.back().size() || error->warning_) {
- cy::position end(error->location_.end);
+ CYPosition begin(error->location_.begin);
+ if (begin.line != lines.size() + 1 || error->warning_) {
+ CYPosition end(error->location_.end);
if (begin.line != lines.size()) {
std::cerr << " | ";
std::cerr << " | ";
std::cerr << error->message_ << std::endl;
- history += command_;
+ history += command_.substr(0, command_.size() - 1);
goto restart;
}
}
driver.errors_.clear();
- command_ += '\n';
prompt = "cy> ";
goto read;
}
if (driver.program_ == NULL)
goto restart;
- if (client_ != -1)
- code = command_;
- else {
- std::ostringstream str;
- CYOutput out(str, options);
- Setup(out, driver, options);
- out << *driver.program_;
- code = str.str();
- }
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(pool, out, driver, options, lower);
+ out << *driver.program_;
+ code = str.str();
}
- history += command_;
+ history += command_.substr(0, command_.size() - 1);
if (debug) {
+ std::cout << "cy= ";
Write(syntax, code.c_str(), code.size(), std::cout);
std::cout << std::endl;
}
}
}
-static void *Map(const char *path, size_t *psize) {
- int fd;
- _syscall(fd = open(path, O_RDONLY));
-
- struct stat stat;
- _syscall(fstat(fd, &stat));
- size_t size(stat.st_size);
-
- *psize = size;
-
- void *base;
- _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
-
- _syscall(close(fd));
- return base;
-}
-
-void InjectLibrary(pid_t pid);
-
-int Main(int argc, char const * const argv[], char const * const envp[]) {
- _aprcall(apr_initialize());
-
- apr_pool_t *pool;
- apr_pool_create(&pool, NULL);
+void InjectLibrary(pid_t, int, const char *const []);
+int Main(int argc, char * const argv[], char const * const envp[]) {
bool tty(isatty(STDIN_FILENO));
bool compile(false);
+ bool target(false);
CYOptions options;
append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
const char *host(NULL);
const char *port(NULL);
- apr_getopt_t *state;
- _aprcall(apr_getopt_init(&state, pool, argc, argv));
+ optind = 1;
for (;;) {
- char opt;
- const char *arg;
-
- apr_status_t status(apr_getopt(state,
- "cg:n:"
+ int option(getopt_long(argc, argv,
+ "c"
+ "g:"
+ "n:"
#ifdef CY_ATTACH
"p:"
#endif
"r:"
"s"
- , &opt, &arg));
+ , (const struct option[]) {
+ {NULL, no_argument, NULL, 'c'},
+ {NULL, required_argument, NULL, 'g'},
+ {NULL, required_argument, NULL, 'n'},
+#ifdef CY_ATTACH
+ {NULL, required_argument, NULL, 'p'},
+#endif
+ {NULL, required_argument, NULL, 'r'},
+ {NULL, no_argument, NULL, 's'},
+ {0, 0, 0, 0}}, NULL));
- switch (status) {
- case APR_EOF:
+ switch (option) {
+ case -1:
goto getopt;
- case APR_BADCH:
- case APR_BADARG:
+
+ case ':':
+ case '?':
fprintf(stderr,
"usage: cycript [-c]"
#ifdef CY_ATTACH
" [<script> [<arg>...]]\n"
);
return 1;
- default:
- _aprcall(status);
- }
- switch (opt) {
+ target:
+ if (!target)
+ target = true;
+ else {
+ fprintf(stderr, "only one of -[c"
+#ifdef CY_ATTACH
+ "p"
+#endif
+ "r] may be used at a time\n");
+ return 1;
+ }
+ break;
+
case 'c':
compile = true;
- break;
+ goto target;
case 'g':
if (false);
- else if (strcmp(arg, "rename") == 0)
+ else if (strcmp(optarg, "rename") == 0)
options.verbose_ = true;
-#if YYDEBUG
- else if (strcmp(arg, "bison") == 0)
+ else if (strcmp(optarg, "bison") == 0)
bison_ = true;
-#endif
else {
fprintf(stderr, "invalid name for -g\n");
return 1;
case 'n':
if (false);
- else if (strcmp(arg, "minify") == 0)
+ else if (strcmp(optarg, "minify") == 0)
pretty_ = true;
else {
fprintf(stderr, "invalid name for -n\n");
#ifdef CY_ATTACH
case 'p': {
- size_t size(strlen(arg));
+ size_t size(strlen(optarg));
char *end;
- pid = strtoul(arg, &end, 0);
- if (arg + size != end) {
+ pid = strtoul(optarg, &end, 0);
+ if (optarg + size != end) {
// XXX: arg needs to be escaped in some horrendous way of doom
- const char *command(apr_pstrcat(pool, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^", arg, " /{s/^[^ ]* //;q;};};d'", NULL));
+ // XXX: this is a memory leak now because I just don't care enough
+ char *command;
+ int writ(asprintf(&command, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", optarg));
+ _assert(writ != -1);
if (FILE *pids = popen(command, "r")) {
char value[32];
break;
else {
size += read;
- if (size == sizeof(value)) {
- pid = _not(pid_t);
+ if (size == sizeof(value))
goto fail;
- }
}
}
}
if (pid == _not(pid_t)) {
- fprintf(stderr, "invalid pid for -p\n");
+ fprintf(stderr, "unable to find process `%s' using ps\n", optarg);
return 1;
}
}
- } break;
+ } goto target;
#endif
case 'r': {
- //size_t size(strlen(arg));
+ //size_t size(strlen(optarg));
- char *colon(strrchr(arg, ':'));
+ char *colon(strrchr(optarg, ':'));
if (colon == NULL) {
fprintf(stderr, "missing colon in hostspec\n");
return 1;
/*char *end;
port = strtoul(colon + 1, &end, 10);
- if (end != arg + size) {
+ if (end != optarg + size) {
fprintf(stderr, "invalid port in hostspec\n");
return 1;
}*/
- host = arg;
+ host = optarg;
*colon = '\0';
port = colon + 1;
- } break;
+ } goto target;
case 's':
strict_ = true;
break;
+
+ default:
+ _assert(false);
}
- } getopt:;
+ }
+
+ getopt:
+ argc -= optind;
+ argv += optind;
const char *script;
- int ind(state->ind);
#ifdef CY_ATTACH
- if (pid != _not(pid_t) && ind < argc - 1) {
+ if (pid != _not(pid_t) && argc > 1) {
fprintf(stderr, "-p cannot set argv\n");
return 1;
}
-
- if (pid != _not(pid_t) && compile) {
- fprintf(stderr, "-p conflicts with -c\n");
- return 1;
- }
#endif
- if (ind == argc)
+ if (argc == 0)
script = NULL;
else {
#ifdef CY_EXECUTE
// XXX: const_cast?! wtf gcc :(
- CYSetArgs(argc - ind - 1, const_cast<const char **>(argv + ind + 1));
+ CYSetArgs(argc - 1, const_cast<const char **>(argv + 1));
#endif
- script = argv[ind];
+ script = argv[0];
if (strcmp(script, "-") == 0)
script = NULL;
}
-#ifdef CY_ATTACH
- if (pid != _not(pid_t) && script == NULL && !tty) {
- fprintf(stderr, "non-terminal attaching to remote console\n");
- return 1;
- }
-#endif
-
#ifdef CY_ATTACH
if (pid == _not(pid_t))
client_ = -1;
else {
- int server(_syscall(socket(PF_UNIX, SOCK_STREAM, 0))); try {
- struct sockaddr_un address;
- memset(&address, 0, sizeof(address));
- address.sun_family = AF_UNIX;
-
- sprintf(address.sun_path, "/tmp/.s.cy.%u", getpid());
-
- _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
- _syscall(chmod(address.sun_path, 0777));
-
- try {
- _syscall(listen(server, 1));
- InjectLibrary(pid);
- client_ = _syscall(accept(server, NULL, NULL));
- } catch (...) {
- // XXX: exception?
- unlink(address.sun_path);
- throw;
+ struct Socket {
+ int fd_;
+
+ Socket(int fd) :
+ fd_(fd)
+ {
}
- } catch (...) {
- _syscall(close(server));
- throw;
- }
+
+ ~Socket() {
+ close(fd_);
+ }
+
+ operator int() {
+ return fd_;
+ }
+ } server(_syscall(socket(PF_UNIX, SOCK_STREAM, 0)));
+
+ struct sockaddr_un address;
+ memset(&address, 0, sizeof(address));
+ address.sun_family = AF_UNIX;
+
+ const char *tmp;
+#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
+ tmp = "/Library/Caches";
+#else
+ tmp = "/tmp";
+#endif
+
+ sprintf(address.sun_path, "%s/.s.cy.%u", tmp, getpid());
+ unlink(address.sun_path);
+
+ struct File {
+ const char *path_;
+
+ File(const char *path) :
+ path_(path)
+ {
+ }
+
+ ~File() {
+ unlink(path_);
+ }
+ } file(address.sun_path);
+
+ _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
+ _syscall(chmod(address.sun_path, 0777));
+
+ _syscall(listen(server, 1));
+ const char *const argv[] = {address.sun_path, NULL};
+ InjectLibrary(pid, 1, argv);
+ client_ = _syscall(accept(server, NULL, NULL));
}
#else
client_ = -1;
if (script == NULL && tty)
Console(options);
else {
- CYLocalPool pool;
-
- char *start, *end;
- std::istream *indirect;
-
+ std::istream *stream;
if (script == NULL) {
- start = NULL;
- end = NULL;
- indirect = &std::cin;
+ stream = &std::cin;
+ script = "<stdin>";
} else {
- size_t size;
- start = reinterpret_cast<char *>(Map(script, &size));
- end = start + size;
-
- if (size >= 2 && start[0] == '#' && start[1] == '!') {
- start += 2;
-
- if (void *line = memchr(start, '\n', end - start))
- start = reinterpret_cast<char *>(line);
- else
- start = end;
- }
-
- indirect = NULL;
+ stream = new std::fstream(script, std::ios::in | std::ios::binary);
+ _assert(!stream->fail());
}
- CYStream direct(start, end);
- std::istream &stream(indirect == NULL ? direct : *indirect);
- CYDriver driver(stream, script ?: "<stdin>");
+ CYDriver driver(*stream, script);
+ Setup(driver);
- cy::parser parser(driver);
- Setup(driver, parser);
+ CYPool pool;
+ bool failed(driver.Parse(pool));
- if (parser.parse() != 0 || !driver.errors_.empty()) {
+ if (failed || !driver.errors_.empty()) {
for (CYDriver::Errors::const_iterator i(driver.errors_.begin()); i != driver.errors_.end(); ++i)
std::cerr << i->location_.begin << ": " << i->message_ << std::endl;
- } else if (driver.program_ != NULL)
- if (client_ != -1) {
- // XXX: this code means that you can't pipe to another process
- std::string code(start, end-start);
+ } else if (driver.program_ != NULL) {
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(pool, out, driver, options, true);
+ out << *driver.program_;
+ std::string code(str.str());
+ if (compile)
+ std::cout << code;
+ else
Run(client_, false, code, &std::cout);
- } else {
- std::ostringstream str;
- CYOutput out(str, options);
- Setup(out, driver, options);
- out << *driver.program_;
- std::string code(str.str());
- if (compile)
- std::cout << code;
- else
- Run(client_, false, code, &std::cout);
- }
+ }
}
- apr_pool_destroy(pool);
-
return 0;
}
-int main(int argc, char const * const argv[], char const * const envp[]) {
- apr_status_t status(apr_app_initialize(&argc, &argv, &envp));
-
- if (status != APR_SUCCESS) {
- fprintf(stderr, "apr_app_initialize() != APR_SUCCESS\n");
- return 1;
- } else try {
+int main(int argc, char * const argv[], char const * const envp[]) {
+ try {
return Main(argc, argv, envp);
} catch (const CYException &error) {
CYPool pool;
projects / cycript.git / blobdiff