X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/0df6a201bcded42c2e96ed5d2826fba49b162491..def9084602162fbc6081fadd247ad50a78ad0bce:/Console.cpp?ds=sidebyside

diff --git a/Console.cpp b/Console.cpp
index 35aa586..a7e0929 100644
--- a/Console.cpp
+++ b/Console.cpp
@@ -1,21 +1,21 @@
 /* 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/>.
 **/
 /* }}} */
 
@@ -44,6 +44,8 @@
 #endif
 
 #include <errno.h>
+#include <getopt.h>
+#include <signal.h>
 #include <unistd.h>
 
 #include <sys/socket.h>
@@ -58,10 +60,6 @@
 #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"
@@ -87,7 +85,8 @@ static void sigint(int) {
         case Parsing:
             longjmp(ctrlc_, 1);
         case Running:
-            throw "*** Ctrl-C";
+            CYCancel();
+            return;
         case Sending:
             return;
         case Waiting:
@@ -110,10 +109,11 @@ void Setup(CYDriver &driver, cy::parser &parser) {
         driver.strict_ = true;
 }
 
-void Setup(CYOutput &out, CYDriver &driver, CYOptions &options) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
     out.pretty_ = pretty_;
     CYContext context(options);
-    driver.program_->Replace(context);
+    if (lower)
+        driver.program_->Replace(context);
 }
 
 static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
@@ -123,7 +123,7 @@ 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
@@ -226,17 +226,20 @@ static CYExpression *ParseExpression(CYUTF8String code) {
     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);
+    CYStatement *statement(driver.program_->statements_);
+    _assert(statement != NULL);
+    _assert(statement->next_ == NULL);
 
-    return 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;
+    rl_attempted_completion_over = ~0;
 
     CYLocalPool pool;
 
@@ -294,7 +297,7 @@ static char **Complete(const char *word, int start, int end) {
     "       var before = prefix.length;\n"
     "       prefix += word;\n"
     "       var entire = prefix.length;\n"
-    "       for (name in object)\n"
+    "       for (var name in object)\n"
     "           if (name.substring(0, entire) == prefix)\n"
     "               names.push(name.substr(before));\n"
     "       return names;\n"
@@ -315,8 +318,7 @@ static char **Complete(const char *word, int start, int end) {
     if (result == NULL)
         return NULL;
 
-    CYArray *array(dynamic_cast<CYArray *>(result));
-
+    CYArray *array(dynamic_cast<CYArray *>(result->Primitive(context)));
     if (array == NULL) {
         *out_ << '\n';
         Output(false, json, out_);
@@ -402,7 +404,8 @@ class History {
 
     ~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);
@@ -416,15 +419,18 @@ class History {
 };
 
 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);
 
@@ -436,6 +442,7 @@ static void Console(CYOptions &options) {
     bool bypass(false);
     bool debug(false);
     bool expand(false);
+    bool lower(true);
     bool syntax(true);
 
     out_ = &std::cout;
@@ -469,15 +476,10 @@ static void Console(CYOptions &options) {
       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;
@@ -500,9 +502,20 @@ static void Console(CYOptions &options) {
                 } 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;
@@ -541,9 +554,9 @@ static void Console(CYOptions &options) {
 
             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);
+                    CYPosition begin(error->location_.begin);
                     if (begin.line != lines.size() || begin.column < lines.back().size() || error->warning_) {
-                        cy::position end(error->location_.end);
+                        CYPosition end(error->location_.end);
 
                         if (begin.line != lines.size()) {
                             std::cerr << "  | ";
@@ -579,7 +592,7 @@ static void Console(CYOptions &options) {
 
             std::ostringstream str;
             CYOutput out(str, options);
-            Setup(out, driver, options);
+            Setup(out, driver, options, lower);
             out << *driver.program_;
             code = str.str();
         }
@@ -587,6 +600,7 @@ static void Console(CYOptions &options) {
         history += command_;
 
         if (debug) {
+            std::cout << "cy= ";
             Write(syntax, code.c_str(), code.size(), std::cout);
             std::cout << std::endl;
         }
@@ -595,16 +609,12 @@ static void Console(CYOptions &options) {
     }
 }
 
-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 *[]);
 
+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"));
@@ -616,27 +626,35 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
     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
@@ -646,21 +664,30 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
                     " [<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 {
@@ -671,7 +698,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
 
             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");
@@ -681,13 +708,15 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
 
 #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;
+                    asprintf(&command, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", optarg);
 
                     if (FILE *pids = popen(command, "r")) {
                         char value[32];
@@ -699,10 +728,8 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
                                 break;
                             else {
                                 size += read;
-                                if (size == sizeof(value)) {
-                                    pid = _not(pid_t);
+                                if (size == sizeof(value))
                                     goto fail;
-                                }
                             }
                         }
 
@@ -723,17 +750,17 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
                     }
 
                     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;
@@ -741,83 +768,104 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
 
                 /*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));
+        InjectLibrary(pid, 1, (const char *[]) {address.sun_path, NULL});
+        client_ = _syscall(accept(server, NULL, NULL));
     }
 #else
     client_ = -1;
@@ -875,7 +923,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
         } else if (driver.program_ != NULL) {
             std::ostringstream str;
             CYOutput out(str, options);
-            Setup(out, driver, options);
+            Setup(out, driver, options, true);
             out << *driver.program_;
             std::string code(str.str());
             if (compile)
@@ -885,18 +933,11 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
         }
     }
 
-    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;