-/* Cycript - Remove Execution Server and Disassembler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2013 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU General Public License, Version 3 {{{ */
/*
- * Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * 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.
*
- * 1. Redistributions of source code must retain the
- * above copyright notice, this list of conditions
- * and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions
- * and the following disclaimer in the documentation
- * and/or other materials provided with the
- * distribution.
- * 3. The name of the author may not be used to endorse
- * or promote products derived from this software
- * without specific prior written permission.
+ * Cycript 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.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU General Public License
+ * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
+**/
/* }}} */
-#define _GNU_SOURCE
-
-#include <substrate.h>
#include "cycript.hpp"
+#ifdef CY_EXECUTE
+#include "JavaScript.hpp"
+#endif
+
#include <cstdio>
+#include <fstream>
#include <sstream>
#include <setjmp.h>
+#ifdef HAVE_READLINE_H
+#include <readline.h>
+#else
#include <readline/readline.h>
-#include <readline/history.h>
+#endif
-#include <sys/mman.h>
+#ifdef HAVE_HISTORY_H
+#include <history.h>
+#else
+#include <readline/history.h>
+#endif
#include <errno.h>
#include <unistd.h>
+#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-
-#include "Cycript.tab.hh"
+#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.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"
static volatile enum {
Working,
driver.strict_ = true;
}
-void Setup(CYOutput &out) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
out.pretty_ = pretty_;
+ CYContext context(options);
+ if (lower)
+ driver.program_->Replace(context);
}
-void Run(int socket, const char *data, size_t size, FILE *fout = NULL, bool expand = false) {
- CYPool pool;
-
+static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
const char *json;
- if (socket == -1) {
+ uint32_t size;
+
+ if (client == -1) {
mode_ = Running;
- json = CYExecute(pool, data);
+#ifdef CY_EXECUTE
+ json = CYExecute(CYGetJSContext(), pool, code);
+#else
+ json = NULL;
+#endif
mode_ = Working;
- if (json != NULL)
+ if (json == NULL)
+ size = 0;
+ else
size = strlen(json);
} else {
mode_ = Sending;
- CYSendAll(socket, &size, sizeof(size));
- CYSendAll(socket, data, size);
+ size = code.size;
+ _assert(CYSendAll(client, &size, sizeof(size)));
+ _assert(CYSendAll(client, code.data, code.size));
mode_ = Waiting;
- CYRecvAll(socket, &size, sizeof(size));
- if (size == _not(size_t))
+ _assert(CYRecvAll(client, &size, sizeof(size)));
+ if (size == _not(uint32_t))
json = NULL;
else {
char *temp(new(pool) char[size + 1]);
- CYRecvAll(socket, temp, size);
+ _assert(CYRecvAll(client, temp, size));
temp[size] = '\0';
json = temp;
}
mode_ = Working;
}
- if (json != NULL && fout != NULL) {
- if (!expand || json[0] != '"' && json[0] != '\'')
- fputs(json, fout);
- else for (size_t i(0); i != size; ++i)
- if (json[i] != '\\')
- fputc(json[i], fout);
- else switch(json[++i]) {
- case '\0': goto done;
- case '\\': fputc('\\', fout); break;
- case '\'': fputc('\'', fout); break;
- case '"': fputc('"', fout); break;
- case 'b': fputc('\b', fout); break;
- case 'f': fputc('\f', fout); break;
- case 'n': fputc('\n', fout); break;
- case 'r': fputc('\r', fout); break;
- case 't': fputc('\t', fout); break;
- case 'v': fputc('\v', fout); break;
- default: fputc('\\', fout); --i; break;
- }
+ return CYUTF8String(json, size);
+}
- done:
- fputs("\n", fout);
- fflush(fout);
- }
+static CYUTF8String Run(CYPool &pool, int client, const std::string &code) {
+ return Run(pool, client, CYUTF8String(code.c_str(), code.size()));
+}
+
+static std::ostream *out_;
+
+static void Write(bool syntax, const char *data, size_t size, std::ostream &out) {
+ if (syntax)
+ CYLexerHighlight(data, size, out);
+ else
+ out.write(data, size);
}
-void Run(int socket, std::string &code, FILE *fout = NULL, bool expand = false) {
- Run(socket, code.c_str(), code.size(), fout, expand);
+static void Output(bool syntax, CYUTF8String json, std::ostream *out, bool expand = false) {
+ const char *data(json.data);
+ size_t size(json.size);
+
+ if (data == NULL || out == NULL)
+ return;
+
+ if (!expand ||
+ data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
+ data[0] == '@' && data[1] != '"' && data[1] != '\''
+ )
+ Write(syntax, data, size, *out);
+ else for (size_t i(0); i != size; ++i)
+ if (data[i] != '\\')
+ *out << data[i];
+ else switch(data[++i]) {
+ case '\0': goto done;
+ case '\\': *out << '\\'; break;
+ case '\'': *out << '\''; break;
+ case '"': *out << '"'; break;
+ case 'b': *out << '\b'; break;
+ case 'f': *out << '\f'; break;
+ case 'n': *out << '\n'; break;
+ case 'r': *out << '\r'; break;
+ case 't': *out << '\t'; break;
+ case 'v': *out << '\v'; break;
+ default: *out << '\\'; --i; break;
+ }
+
+ done:
+ *out << std::endl;
+}
+
+static void Run(int client, bool syntax, const char *data, size_t size, std::ostream *out = NULL, bool expand = false) {
+ CYPool pool;
+ Output(syntax, Run(pool, client, CYUTF8String(data, size)), out, expand);
+}
+
+static void Run(int client, bool syntax, std::string &code, std::ostream *out = NULL, bool expand = false) {
+ Run(client, syntax, code.c_str(), code.size(), out, expand);
+}
+
+int (*append_history$)(int, const char *);
+
+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);
+
+ CYStatement *statement(driver.program_->statements_);
+ _assert(statement != NULL);
+ _assert(statement->next_ == NULL);
+
+ CYExpress *express(dynamic_cast<CYExpress *>(driver.program_->statements_));
+ _assert(express != NULL);
+
+ return express->expression_;
+}
+
+static int client_;
+
+static char **Complete(const char *word, int start, int end) {
+ rl_attempted_completion_over = TRUE;
+
+ CYLocalPool pool;
+
+ 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 (var 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->Primitive(context)));
+ 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;
}
-static void Console(int socket) {
+// need char *, not const char *
+static char name_[] = "cycript";
+static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
+
+class History {
+ private:
+ std::string histfile_;
+ size_t histlines_;
+
+ public:
+ History(std::string histfile) :
+ histfile_(histfile),
+ histlines_(0)
+ {
+ read_history(histfile_.c_str());
+ }
+
+ ~History() {
+ if (append_history$ != NULL) {
+ _syscall(close(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600))));
+ _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());
+ ++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(passwd->pw_dir);
+ basedir += "/.cycript";
+ mkdir(basedir.c_str(), 0700);
+
+ rl_initialize();
+ rl_readline_name = name_;
+
+ History history(basedir + "/history");
+
bool bypass(false);
bool debug(false);
bool expand(false);
+ bool lower(true);
+ bool syntax(true);
+
+ out_ = &std::cout;
- FILE *fout(stdout);
+ // rl_completer_word_break_characters is broken in libedit
+ rl_basic_word_break_characters = break_;
- rl_bind_key('\t', rl_insert);
+ rl_completer_word_break_characters = break_;
+ rl_attempted_completion_function = &Complete;
+ rl_bind_key('\t', rl_complete);
struct sigaction action;
sigemptyset(&action.sa_mask);
sigaction(SIGINT, &action, NULL);
restart: for (;;) {
- std::string command;
+ command_.clear();
std::vector<std::string> lines;
bool extra(false);
if (setjmp(ctrlc_) != 0) {
mode_ = Working;
- fputs("\n", fout);
- fflush(fout);
+ *out_ << std::endl;
goto restart;
}
read:
+
+#if RL_READLINE_VERSION >= 0x0600
+ if (syntax)
+ rl_redisplay_function = CYDisplayUpdate;
+ else
+ rl_redisplay_function = rl_redisplay;
+#endif
+
mode_ = Parsing;
char *line(readline(prompt));
mode_ = Working;
- if (line == NULL)
+
+ if (line == NULL) {
+ *out_ << std::endl;
break;
+ } else if (line[0] == '\0')
+ goto read;
if (!extra) {
extra = true;
std::string data(line + 1);
if (data == "bypass") {
bypass = !bypass;
- fprintf(fout, "bypass == %s\n", bypass ? "true" : "false");
- fflush(fout);
+ *out_ << "bypass == " << (bypass ? "true" : "false") << std::endl;
} else if (data == "debug") {
debug = !debug;
- fprintf(fout, "debug == %s\n", debug ? "true" : "false");
- fflush(fout);
+ *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;
- fprintf(fout, "expand == %s\n", expand ? "true" : "false");
- fflush(fout);
+ *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;
}
- add_history(line);
+ command_ = line;
+ history += command_;
goto restart;
}
}
- command += line;
+ command_ += line;
char *begin(line), *end(line + strlen(line));
while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
std::string code;
if (bypass)
- code = command;
+ code = command_;
else {
- CYDriver driver("");
+ CYLocalPool pool;
+
+ std::istringstream stream(command_);
+ CYDriver driver(stream);
+
cy::parser parser(driver);
Setup(driver, parser);
- driver.data_ = command.c_str();
- driver.size_ = command.size();
-
if (parser.parse() != 0 || !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 - 1 != lines.back().size() || error->warning_) {
+ if (begin.line != lines.size() || begin.column < lines.back().size() || error->warning_) {
cy::position end(error->location_.end);
if (begin.line != lines.size()) {
}
std::cerr << "....";
- for (size_t i(0); i != begin.column - 1; ++i)
+ for (size_t i(0); i != begin.column; ++i)
std::cerr << '.';
if (begin.line != end.line || begin.column == end.column)
std::cerr << '^';
std::cerr << " | ";
std::cerr << error->message_ << std::endl;
- add_history(command.c_str());
+ history += command_;
goto restart;
}
}
driver.errors_.clear();
- command += '\n';
+ command_ += '\n';
prompt = "cy> ";
goto read;
}
if (driver.program_ == NULL)
goto restart;
- if (socket != -1)
- code = command;
- else {
- std::ostringstream str;
- CYOutput out(str);
- Setup(out);
- driver.program_->Multiple(out);
- code = str.str();
- }
+ std::ostringstream str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, lower);
+ out << *driver.program_;
+ code = str.str();
}
- add_history(command.c_str());
+ history += command_;
- if (debug)
- std::cout << code << std::endl;
+ if (debug) {
+ std::cout << "cy= ";
+ Write(syntax, code.c_str(), code.size(), std::cout);
+ std::cout << std::endl;
+ }
- Run(socket, code, fout, expand);
+ Run(client_, syntax, code, out_, expand);
}
-
- fputs("\n", fout);
- fflush(fout);
}
-static void *Map(const char *path, size_t *psize) {
- int fd;
- _syscall(fd = open(path, O_RDONLY));
+void InjectLibrary(pid_t pid);
- struct stat stat;
- _syscall(fstat(fd, &stat));
- size_t size(stat.st_size);
+int Main(int argc, char const * const argv[], char const * const envp[]) {
+ _aprcall(apr_initialize());
- *psize = size;
+ apr_pool_t *pool;
+ apr_pool_create(&pool, NULL);
- void *base;
- _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
+ bool tty(isatty(STDIN_FILENO));
+ bool compile(false);
+ bool target(false);
+ CYOptions options;
- _syscall(close(fd));
- return base;
-}
+ append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
-int main(int argc, char *argv[]) {
- bool tty(isatty(STDIN_FILENO));
+#ifdef CY_ATTACH
pid_t pid(_not(pid_t));
- bool compile(false);
+#endif
- for (;;) switch (getopt(argc, argv, "cg:n:p:s")) {
- case -1:
- goto getopt;
- case '?':
- fprintf(stderr, "usage: cycript [-c] [-p <pid>] [<script> [<arg>...]]\n");
- return 1;
+ const char *host(NULL);
+ const char *port(NULL);
- case 'c':
- compile = true;
- break;
+ apr_getopt_t *state;
+ _aprcall(apr_getopt_init(&state, pool, argc, argv));
- case 'g':
- if (false);
-#if YYDEBUG
- else if (strcmp(optarg, "bison") == 0)
- bison_ = true;
+ for (;;) {
+ int opt;
+ const char *arg;
+
+ apr_status_t status(apr_getopt_long(state, (apr_getopt_option_t[]) {
+ {NULL, 'c', false, NULL},
+ {NULL, 'g', true, NULL},
+ {NULL, 'n', true, NULL},
+#ifdef CY_ATTACH
+ {NULL, 'p', true, NULL},
+#endif
+ {NULL, 'r', true, NULL},
+ {NULL, 's', false, NULL},
+ {0, 0, 0, 0}}, &opt, &arg));
+
+ switch (status) {
+ case APR_EOF:
+ goto getopt;
+ case APR_BADCH:
+ case APR_BADARG:
+ fprintf(stderr,
+ "usage: cycript [-c]"
+#ifdef CY_ATTACH
+ " [-p <pid|name>]"
#endif
- else {
- fprintf(stderr, "invalid name for -g\n");
+ " [-r <host:port>]"
+ " [<script> [<arg>...]]\n"
+ );
return 1;
- }
- break;
+ default:
+ _aprcall(status);
+ }
- case 'n':
- if (false);
- else if (strcmp(optarg, "minify") == 0)
- pretty_ = true;
- else {
- fprintf(stderr, "invalid name for -n\n");
- return 1;
- }
- break;
+ 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 'p': {
- size_t size(strlen(optarg));
- char *end;
- pid = strtoul(optarg, &end, 0);
- if (optarg + size != end) {
- fprintf(stderr, "invalid pid for -p\n");
- return 1;
- }
- } break;
+ case 'c':
+ compile = true;
+ goto target;
- case 's':
- strict_ = true;
- break;
+ case 'g':
+ if (false);
+ else if (strcmp(arg, "rename") == 0)
+ options.verbose_ = true;
+#if YYDEBUG
+ else if (strcmp(arg, "bison") == 0)
+ bison_ = true;
+#endif
+ else {
+ fprintf(stderr, "invalid name for -g\n");
+ return 1;
+ }
+ break;
+
+ case 'n':
+ if (false);
+ else if (strcmp(arg, "minify") == 0)
+ pretty_ = true;
+ else {
+ fprintf(stderr, "invalid name for -n\n");
+ return 1;
+ }
+ break;
+
+#ifdef CY_ATTACH
+ case 'p': {
+ size_t size(strlen(arg));
+ char *end;
+
+ pid = strtoul(arg, &end, 0);
+ if (arg + 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));
+
+ if (FILE *pids = popen(command, "r")) {
+ char value[32];
+ size = 0;
+
+ for (;;) {
+ size_t read(fread(value + size, 1, sizeof(value) - size, pids));
+ if (read == 0)
+ break;
+ else {
+ size += read;
+ if (size == sizeof(value))
+ goto fail;
+ }
+ }
+
+ size:
+ if (size == 0)
+ goto fail;
+ if (value[size - 1] == '\n') {
+ --size;
+ goto size;
+ }
+
+ value[size] = '\0';
+ size = strlen(value);
+ pid = strtoul(value, &end, 0);
+ if (value + size != end) fail:
+ pid = _not(pid_t);
+ _syscall(pclose(pids));
+ }
+
+ if (pid == _not(pid_t)) {
+ fprintf(stderr, "unable to find process `%s' using ps\n", arg);
+ return 1;
+ }
+ }
+ } goto target;
+#endif
+
+ case 'r': {
+ //size_t size(strlen(arg));
+
+ char *colon(strrchr(arg, ':'));
+ if (colon == NULL) {
+ fprintf(stderr, "missing colon in hostspec\n");
+ return 1;
+ }
+
+ /*char *end;
+ port = strtoul(colon + 1, &end, 10);
+ if (end != arg + size) {
+ fprintf(stderr, "invalid port in hostspec\n");
+ return 1;
+ }*/
+
+ host = arg;
+ *colon = '\0';
+ port = colon + 1;
+ } goto target;
+
+ case 's':
+ strict_ = true;
+ break;
+ }
} getopt:;
const char *script;
+ int ind(state->ind);
- if (pid != _not(pid_t) && optind < argc - 1) {
+#ifdef CY_ATTACH
+ if (pid != _not(pid_t) && ind < argc - 1) {
fprintf(stderr, "-p cannot set argv\n");
return 1;
}
+#endif
- if (pid != _not(pid_t) && compile) {
- fprintf(stderr, "-p conflicts with -c\n");
- return 1;
- }
-
- if (optind == argc)
+ if (ind == argc)
script = NULL;
else {
+#ifdef CY_EXECUTE
// XXX: const_cast?! wtf gcc :(
- CYSetArgs(argc - optind - 1, const_cast<const char **>(argv + optind + 1));
- script = argv[optind];
+ CYSetArgs(argc - ind - 1, const_cast<const char **>(argv + ind + 1));
+#endif
+ script = argv[ind];
if (strcmp(script, "-") == 0)
script = NULL;
}
- if (script == NULL && !tty && pid != _not(pid_t)) {
- fprintf(stderr, "non-terminal attaching to remove console\n");
- return 1;
- }
-
- int socket;
-
+#ifdef CY_ATTACH
if (pid == _not(pid_t))
- socket = -1;
+ client_ = -1;
else {
- socket = _syscall(::socket(PF_UNIX, SOCK_STREAM, 0));
+ struct Socket {
+ int fd_;
+
+ Socket(int fd) :
+ fd_(fd)
+ {
+ }
+
+ ~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;
- sprintf(address.sun_path, "/tmp/.s.cy.%u", pid);
- _syscall(connect(socket, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
- }
+ sprintf(address.sun_path, "/tmp/.s.cy.%u", getpid());
+ unlink(address.sun_path);
- if (script == NULL && tty)
- Console(socket);
- else {
- CYDriver driver(script ?: "<stdin>");
- cy::parser parser(driver);
- Setup(driver, parser);
+ struct File {
+ const char *path_;
- char *start, *end;
+ File(const char *path) :
+ path_(path)
+ {
+ }
- if (script == NULL) {
- start = NULL;
- end = NULL;
+ ~File() {
+ unlink(path_);
+ }
+ } file(address.sun_path);
- driver.file_ = stdin;
- } else {
- size_t size;
- start = reinterpret_cast<char *>(Map(script, &size));
- end = start + size;
+ _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
+ _syscall(chmod(address.sun_path, 0777));
- if (size >= 2 && start[0] == '#' && start[1] == '!') {
- start += 2;
+ _syscall(listen(server, 1));
+ InjectLibrary(pid);
+ client_ = _syscall(accept(server, NULL, NULL));
+ }
+#else
+ client_ = -1;
+#endif
- if (void *line = memchr(start, '\n', end - start))
- start = reinterpret_cast<char *>(line);
- else
- start = end;
+ if (client_ == -1 && host != NULL && port != NULL) {
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+ hints.ai_flags = 0;
+
+ struct addrinfo *infos;
+ _syscall(getaddrinfo(host, port, &hints, &infos));
+
+ _assert(infos != NULL); try {
+ for (struct addrinfo *info(infos); info != NULL; info = info->ai_next) {
+ int client(_syscall(socket(info->ai_family, info->ai_socktype, info->ai_protocol))); try {
+ _syscall(connect(client, info->ai_addr, info->ai_addrlen));
+ client_ = client;
+ break;
+ } catch (...) {
+ _syscall(close(client));
+ throw;
+ }
}
+ } catch (...) {
+ freeaddrinfo(infos);
+ throw;
+ }
+ }
+
+ if (script == NULL && tty)
+ Console(options);
+ else {
+ CYLocalPool pool;
- driver.data_ = start;
- driver.size_ = end - start;
+ std::istream *stream;
+ if (script == NULL) {
+ stream = &std::cin;
+ script = "<stdin>";
+ } else {
+ stream = new std::fstream(script, std::ios::in | std::ios::binary);
+ _assert(!stream->fail());
}
+ CYDriver driver(*stream, script);
+ cy::parser parser(driver);
+ Setup(driver, parser);
+
if (parser.parse() != 0 || !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 (socket != -1)
- Run(socket, start, end - start, stdout);
- else {
- std::ostringstream str;
- CYOutput out(str);
- Setup(out);
- driver.program_->Multiple(out);
- std::string code(str.str());
- if (compile)
- std::cout << code;
- else
- Run(socket, code);
- }
+ } else if (driver.program_ != NULL) {
+ std::ostringstream str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, true);
+ 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 {
+ return Main(argc, argv, envp);
+ } catch (const CYException &error) {
+ CYPool pool;
+ fprintf(stderr, "%s\n", error.PoolCString(pool));
+ return 1;
+ }
+}
projects / cycript.git / blobdiff