X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/06edab7d9c3f9daa4b44281825e026e65511ede3..20052ff75c224699725da0f8e096053009c62741:/Console.cpp
diff --git a/Console.cpp b/Console.cpp
index 9bd6beb..e2cf364 100644
--- a/Console.cpp
+++ b/Console.cpp
@@ -1,69 +1,75 @@
-/* Cycript - Remove Execution Server and Disassembler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU Affero 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:
- *
- * 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.
- *
- * 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.
-*/
+ * 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 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 .
+**/
/* }}} */
#include "cycript.hpp"
+#ifdef CY_EXECUTE
+#include "JavaScript.hpp"
+#endif
+
#include
+#include
#include
#include
+#ifdef HAVE_READLINE_H
+#include
+#else
#include
-#include
+#endif
-#include
+#ifdef HAVE_HISTORY_H
+#include
+#else
+#include
+#endif
#include
+#include
+#include
#include
+#include
#include
#include
#include
-
-#include "Cycript.tab.hh"
+#include
#include
#include
#include
#include
+#include
+
+#include
+
+#ifdef __APPLE__
+#include
+#endif
-#include
+#include "Display.hpp"
+#include "Driver.hpp"
+#include "Highlight.hpp"
+#include "Syntax.hpp"
static volatile enum {
Working,
@@ -82,7 +88,8 @@ static void sigint(int) {
case Parsing:
longjmp(ctrlc_, 1);
case Running:
- throw "*** Ctrl-C";
+ CYCancel();
+ return;
case Sending:
return;
case Waiting:
@@ -90,97 +97,200 @@ static void sigint(int) {
}
}
-#if YYDEBUG
static bool bison_;
-#endif
+static bool timing_;
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) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
out.pretty_ = pretty_;
-
- CYContext context(driver.pool_);
- driver.program_->Replace(context);
+ if (lower)
+ driver.Replace(options);
}
-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;
#ifdef CY_EXECUTE
- json = CYExecute(pool, data);
+ 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);
+}
+
+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);
}
-void Run(int socket, std::string &code, FILE *fout = NULL, bool expand = false) {
- Run(socket, code.c_str(), code.size(), fout, 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$)(int, const char *);
+
+static std::string command_;
+
+static int client_;
+
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return Run(pool, client_, code);
}
-static void Console(int socket) {
+static char **Complete(const char *word, int start, int end) {
+ rl_attempted_completion_over = ~0;
+ std::string line(rl_line_buffer, start);
+ return CYComplete(word, command_ + line, &Run);
+}
+
+// need char *, not const char *
+static char name_[] = "cycript";
+static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]";
+
+class History {
+ private:
+ std::string histfile_;
+ size_t histlines_;
+
+ public:
+ History(std::string histfile) :
+ histfile_(histfile),
+ histlines_(0)
+ {
+ read_history(histfile_.c_str());
+ }
+
+ ~History() {
+ if (append_history$ != NULL) {
+ 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());
+ ++histlines_;
+ }
+};
+
+static void Console(CYOptions &options) {
+ 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;
+ }
+
+ 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);
@@ -189,7 +299,7 @@ static void Console(int socket) {
sigaction(SIGINT, &action, NULL);
restart: for (;;) {
- std::string command;
+ command_.clear();
std::vector lines;
bool extra(false);
@@ -197,17 +307,28 @@ static void Console(int socket) {
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;
@@ -215,23 +336,36 @@ static void Console(int socket) {
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;
+ command_ += "\n";
char *begin(line), *end(line + strlen(line));
while (char *nl = reinterpret_cast(memchr(begin, '\n', end - begin))) {
@@ -247,20 +381,21 @@ static void Console(int socket) {
std::string code;
if (bypass)
- code = command;
+ code = command_;
else {
- CYDriver driver("");
- cy::parser parser(driver);
- Setup(driver, parser);
+ std::istringstream stream(command_);
+
+ CYPool pool;
+ CYDriver driver(pool, stream);
+ Setup(driver);
- driver.data_ = command.c_str();
- driver.size_ = command.size();
+ bool failed(driver.Parse());
- 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 - 1 != 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 << " | ";
@@ -268,7 +403,7 @@ static void Console(int socket) {
}
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 << '^';
@@ -279,115 +414,130 @@ static void Console(int socket) {
std::cerr << " | ";
std::cerr << error->message_ << std::endl;
- add_history(command.c_str());
+ history += command_.substr(0, command_.size() - 1);
goto restart;
}
}
driver.errors_.clear();
- command += '\n';
prompt = "cy> ";
goto read;
}
- if (driver.program_ == NULL)
+ if (driver.script_ == NULL)
goto restart;
- if (socket != -1)
- code = command;
- else {
- std::ostringstream str;
- CYOutput out(str);
- Setup(out, driver);
- out << *driver.program_;
- code = str.str();
- }
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, lower);
+ out << *driver.script_;
+ code = str.str();
}
- add_history(command.c_str());
+ history += command_.substr(0, command_.size() - 1);
- 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));
-
- 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));
+void InjectLibrary(pid_t, int, const char *const []);
- _syscall(close(fd));
- return base;
+static uint64_t CYGetTime() {
+#ifdef __APPLE__
+ return mach_absolute_time();
+#else
+ struct timespec spec;
+ clock_gettime(CLOCK_MONOTONIC, &spec);
+ return spec.tv_sec * UINT64_C(1000000000) + spec.tv_nsec;
+#endif
}
-int main(int argc, char const * const argv[], char const * const envp[]) {
- _aprcall(apr_app_initialize(&argc, &argv, &envp));
-
+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"));
#ifdef CY_ATTACH
pid_t pid(_not(pid_t));
#endif
- CYPool pool;
- apr_getopt_t *state;
- _aprcall(apr_getopt_init(&state, pool, argc, argv));
+ const char *host(NULL);
+ const char *port(NULL);
- for (;;) {
- char opt;
- const char *arg;
+ optind = 1;
- apr_status_t status(apr_getopt(state,
- "cg:n:"
+ for (;;) {
+ 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
- " [-p ]"
+ " [-p ]"
#endif
+ " [-r ]"
" [