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Use start conditions to parse regular expressions.
[cycript.git] / Console.cpp
diff --git a/Console.cpp b/Console.cpp
index 80c9dbd7e34a37e7bffe0ac3e9399a33144f6ce7..57f437555c13467b3bae0e7cb222834e4cb7951e 100644 (file)
--- a/Console.cpp
+++ b/Console.cpp
@@ -1,21 +1,21 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2012  Jay Freeman (saurik)
+ * Copyright (C) 2009-2015  Jay Freeman (saurik)
 */
 
 */
 
-/* GNU Lesser 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 Lesser 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 MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+ * 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 <http://www.gnu.org/licenses/>.
 **/
 /* }}} */
 
 **/
 /* }}} */
 
@@ -26,6 +26,7 @@
 #endif
 
 #include <cstdio>
 #endif
 
 #include <cstdio>
+#include <fstream>
 #include <sstream>
 
 #include <setjmp.h>
 #include <sstream>
 
 #include <setjmp.h>
@@ -42,16 +43,16 @@
 #include <readline/history.h>
 #endif
 
 #include <readline/history.h>
 #endif
 
-#include <sys/mman.h>
-
 #include <errno.h>
 #include <errno.h>
+#include <getopt.h>
+#include <signal.h>
 #include <unistd.h>
 
 #include <unistd.h>
 
+#include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.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 <sys/types.h>
 #include <sys/socket.h>
@@ -59,11 +60,16 @@
 #include <sys/un.h>
 #include <pwd.h>
 
 #include <sys/un.h>
 #include <pwd.h>
 
-#include <apr_getopt.h>
-
 #include <dlfcn.h>
 
 #include <dlfcn.h>
 
-#include "Replace.hpp"
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif
+
+#include "Display.hpp"
+#include "Driver.hpp"
+#include "Highlight.hpp"
+#include "Parser.hpp"
 
 static volatile enum {
     Working,
 
 static volatile enum {
     Working,
@@ -82,7 +88,8 @@ static void sigint(int) {
         case Parsing:
             longjmp(ctrlc_, 1);
         case Running:
         case Parsing:
             longjmp(ctrlc_, 1);
         case Running:
-            throw "*** Ctrl-C";
+            CYCancel();
+            return;
         case Sending:
             return;
         case Waiting:
         case Sending:
             return;
         case Waiting:
@@ -90,35 +97,32 @@ static void sigint(int) {
     }
 }
 
     }
 }
 
-#if YYDEBUG
 static bool bison_;
 static bool bison_;
-#endif
+static bool timing_;
 static bool strict_;
 static bool pretty_;
 
 static bool strict_;
 static bool pretty_;
 
-void Setup(CYDriver &driver, cy::parser &parser) {
-#if YYDEBUG
+void Setup(CYDriver &driver) {
     if (bison_)
     if (bison_)
-        parser.set_debug_level(1);
-#endif
+        driver.debug_ = 1;
     if (strict_)
         driver.strict_ = true;
 }
 
     if (strict_)
         driver.strict_ = true;
 }
 
-void Setup(CYOutput &out, CYDriver &driver, CYOptions &options) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
     out.pretty_ = pretty_;
     out.pretty_ = pretty_;
-    CYContext context(options);
-    driver.program_->Replace(context);
+    if (lower)
+        driver.Replace(options);
 }
 
 static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
     const char *json;
 }
 
 static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
     const char *json;
-    size_t size;
+    uint32_t size;
 
     if (client == -1) {
         mode_ = Running;
 #ifdef CY_EXECUTE
 
     if (client == -1) {
         mode_ = Running;
 #ifdef CY_EXECUTE
-        json = CYExecute(pool, code);
+        json = CYExecute(CYGetJSContext(), pool, code);
 #else
         json = NULL;
 #endif
 #else
         json = NULL;
 #endif
@@ -130,15 +134,15 @@ static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
     } else {
         mode_ = Sending;
         size = code.size;
     } else {
         mode_ = Sending;
         size = code.size;
-        CYSendAll(client, &size, sizeof(size));
-        CYSendAll(client, code.data, code.size);
+        _assert(CYSendAll(client, &size, sizeof(size)));
+        _assert(CYSendAll(client, code.data, code.size));
         mode_ = Waiting;
         mode_ = Waiting;
-        CYRecvAll(client, &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]);
             json = NULL;
         else {
             char *temp(new(pool) char[size + 1]);
-            CYRecvAll(client, temp, size);
+            _assert(CYRecvAll(client, temp, size));
             temp[size] = '\0';
             json = temp;
         }
             temp[size] = '\0';
             json = temp;
         }
@@ -152,259 +156,134 @@ static CYUTF8String Run(CYPool &pool, int client, const std::string &code) {
     return Run(pool, client, CYUTF8String(code.c_str(), code.size()));
 }
 
     return Run(pool, client, CYUTF8String(code.c_str(), code.size()));
 }
 
-FILE *fout_;
+static std::ostream *out_;
 
 
-static void Output(CYUTF8String json, FILE *fout, bool expand = false) {
+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);
 
     const char *data(json.data);
     size_t size(json.size);
 
-    if (data == NULL || fout == NULL)
+    if (data == NULL || out == NULL)
         return;
 
     if (!expand ||
         data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
         data[0] == '@' && data[1] != '"' && data[1] != '\''
     )
         return;
 
     if (!expand ||
         data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
         data[0] == '@' && data[1] != '"' && data[1] != '\''
     )
-        fputs(data, fout);
+        Write(syntax, data, size, *out);
     else for (size_t i(0); i != size; ++i)
         if (data[i] != '\\')
     else for (size_t i(0); i != size; ++i)
         if (data[i] != '\\')
-            fputc(data[i], fout);
+            *out << data[i];
         else switch(data[++i]) {
             case '\0': goto done;
         else switch(data[++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;
+            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:
         }
 
   done:
-    fputs("\n", fout);
-    fflush(fout);
+    *out << std::endl;
 }
 
 }
 
-static void Run(int client, const char *data, size_t size, FILE *fout = NULL, bool expand = false) {
+static void Run(int client, bool syntax, const char *data, size_t size, std::ostream *out = NULL, bool expand = false) {
     CYPool pool;
     CYPool pool;
-    Output(Run(pool, client, CYUTF8String(data, size)), fout, expand);
+    Output(syntax, Run(pool, client, CYUTF8String(data, size)), out, expand);
 }
 
 }
 
-static void Run(int client, std::string &code, FILE *fout = NULL, bool expand = false) {
-    Run(client, 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_;
 
 }
 
 int (*append_history$)(int, const char *);
 
 static std::string command_;
 
-static CYExpression *ParseExpression(CYUTF8String code) {
-    std::ostringstream str;
-    str << '(' << code << ')';
-    std::string string(str.str());
-
-    CYDriver driver;
-    driver.data_ = string.c_str();
-    driver.size_ = string.size();
-
-    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) {
 static char **Complete(const char *word, int start, int end) {
-    rl_attempted_completion_over = TRUE;
-
-    CYLocalPool pool;
-    CYDriver driver;
-    cy::parser parser(driver);
-    Setup(driver, parser);
-
+    rl_attempted_completion_over = ~0;
     std::string line(rl_line_buffer, start);
     std::string line(rl_line_buffer, start);
-    std::string command(command_ + line);
-
-    driver.data_ = command.c_str();
-    driver.size_ = command.size();
-
-    driver.auto_ = true;
-
-    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);
-    }
+    return CYComplete(word, command_ + line, &Run);
+}
 
 
-    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));
-
-    CYExpression *result(ParseExpression(json));
-    if (result == NULL)
-        return NULL;
-
-    CYArray *array(dynamic_cast<CYArray *>(result));
-
-    if (array == NULL) {
-        fprintf(fout_, "\n");
-        Output(json, fout_);
-        rl_forced_update_display();
-        return NULL;
+// 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());
     }
 
     }
 
-    // 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;
+    ~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 {
         } 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);
+            _assert(write_history(histfile_.c_str()) == 0);
         }
     }
 
         }
     }
 
-    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;
-}
-
-// need char *, not const char *
-static char name_[] = "cycript";
-static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
+    void operator +=(const std::string &command) {
+        add_history(command.c_str());
+        ++histlines_;
+    }
+};
 
 static void Console(CYOptions &options) {
 
 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;
+    }
 
 
-    const char *basedir(apr_psprintf(pool, "%s/.cycript", passwd->pw_dir));
-    const char *histfile(apr_psprintf(pool, "%s/history", basedir));
-    size_t histlines(0);
+    basedir += "/.cycript";
+    mkdir(basedir.c_str(), 0700);
 
     rl_initialize();
     rl_readline_name = name_;
 
 
     rl_initialize();
     rl_readline_name = name_;
 
-    mkdir(basedir, 0700);
-    read_history(histfile);
+    History history(basedir + "/history");
 
     bool bypass(false);
     bool debug(false);
     bool expand(false);
 
     bool bypass(false);
     bool debug(false);
     bool expand(false);
+    bool lower(true);
+    bool syntax(true);
 
 
-    fout_ = stdout;
+    out_ = &std::cout;
 
     // rl_completer_word_break_characters is broken in libedit
     rl_basic_word_break_characters = break_;
 
     // rl_completer_word_break_characters is broken in libedit
     rl_basic_word_break_characters = break_;
@@ -428,18 +307,27 @@ static void Console(CYOptions &options) {
 
         if (setjmp(ctrlc_) != 0) {
             mode_ = Working;
 
         if (setjmp(ctrlc_) != 0) {
             mode_ = Working;
-            fputs("\n", fout_);
-            fflush(fout_);
+            *out_ << std::endl;
             goto restart;
         }
 
       read:
             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;
         mode_ = Parsing;
         char *line(readline(prompt));
         mode_ = Working;
-        if (line == NULL)
+
+        if (line == NULL) {
+            *out_ << std::endl;
             break;
             break;
-        if (line[0] == '\0')
+        } else if (line[0] == '\0')
             goto read;
 
         if (!extra) {
             goto read;
 
         if (!extra) {
@@ -448,24 +336,36 @@ static void Console(CYOptions &options) {
                 std::string data(line + 1);
                 if (data == "bypass") {
                     bypass = !bypass;
                 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;
                 } 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;
                 } 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);
-                ++histlines;
+                command_ = line;
+                history += command_;
                 goto restart;
             }
         }
 
         command_ += line;
                 goto restart;
             }
         }
 
         command_ += line;
+        command_ += "\n";
 
         char *begin(line), *end(line + strlen(line));
         while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
 
         char *begin(line), *end(line + strlen(line));
         while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
@@ -483,19 +383,19 @@ static void Console(CYOptions &options) {
         if (bypass)
             code = command_;
         else {
         if (bypass)
             code = command_;
         else {
-            CYLocalPool pool;
-            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) {
                 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 << "  | ";
 
                         if (begin.line != lines.size()) {
                             std::cerr << "  | ";
@@ -514,75 +414,55 @@ static void Console(CYOptions &options) {
                         std::cerr << "  | ";
                         std::cerr << error->message_ << std::endl;
 
                         std::cerr << "  | ";
                         std::cerr << error->message_ << std::endl;
 
-                        add_history(command_.c_str());
-                        ++histlines;
+                        history += command_.substr(0, command_.size() - 1);
                         goto restart;
                     }
                 }
 
                 driver.errors_.clear();
 
                         goto restart;
                     }
                 }
 
                 driver.errors_.clear();
 
-                command_ += '\n';
                 prompt = "cy> ";
                 goto read;
             }
 
                 prompt = "cy> ";
                 goto read;
             }
 
-            if (driver.program_ == NULL)
+            if (driver.script_ == NULL)
                 goto restart;
 
                 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(out, driver, options, lower);
+            out << *driver.script_;
+            code = str.str();
         }
 
         }
 
-        add_history(command_.c_str());
-        ++histlines;
-
-        if (debug)
-            std::cout << code << std::endl;
+        history += command_.substr(0, command_.size() - 1);
 
 
-        Run(client_, code, fout_, expand);
-    }
+        if (debug) {
+            std::cout << "cy= ";
+            Write(syntax, code.c_str(), code.size(), std::cout);
+            std::cout << std::endl;
+        }
 
 
-    if (append_history$ != NULL) {
-        _syscall(close(_syscall(open(histfile, O_CREAT | O_WRONLY, 0600))));
-        (*append_history$)(histlines, histfile);
-    } else {
-        write_history(histfile);
+        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);
+void InjectLibrary(pid_t, int, const char *const []);
 
 
-    *psize = size;
-
-    void *base;
-    _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
-
-    _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
 }
 
 }
 
-void InjectLibrary(pid_t pid);
-
-int Main(int argc, char const * const argv[], char const * const envp[]) {
+int Main(int argc, char * const argv[], char const * const envp[]) {
     bool tty(isatty(STDIN_FILENO));
     bool compile(false);
     bool tty(isatty(STDIN_FILENO));
     bool compile(false);
+    bool target(false);
     CYOptions options;
 
     append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
     CYOptions options;
 
     append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
@@ -591,52 +471,73 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
     pid_t pid(_not(pid_t));
 #endif
 
     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
 #ifdef CY_ATTACH
             "p:"
 #endif
+            "r:"
             "s"
             "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;
                 goto getopt;
-            case APR_BADCH:
-            case APR_BADARG:
+
+            case ':':
+            case '?':
                 fprintf(stderr,
                     "usage: cycript [-c]"
 #ifdef CY_ATTACH
                     " [-p <pid|name>]"
 #endif
                 fprintf(stderr,
                     "usage: cycript [-c]"
 #ifdef CY_ATTACH
                     " [-p <pid|name>]"
 #endif
+                    " [-r <host:port>]"
                     " [<script> [<arg>...]]\n"
                 );
                 return 1;
                     " [<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;
             case 'c':
                 compile = true;
-            break;
+            goto target;
 
             case 'g':
                 if (false);
 
             case 'g':
                 if (false);
-                else if (strcmp(arg, "rename") == 0)
+                else if (strcmp(optarg, "rename") == 0)
                     options.verbose_ = true;
                     options.verbose_ = true;
-#if YYDEBUG
-                else if (strcmp(arg, "bison") == 0)
+                else if (strcmp(optarg, "bison") == 0)
                     bison_ = true;
                     bison_ = true;
-#endif
+                else if (strcmp(optarg, "timing") == 0)
+                    timing_ = true;
                 else {
                     fprintf(stderr, "invalid name for -g\n");
                     return 1;
                 else {
                     fprintf(stderr, "invalid name for -g\n");
                     return 1;
@@ -645,7 +546,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
 
             case 'n':
                 if (false);
 
             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");
                     pretty_ = true;
                 else {
                     fprintf(stderr, "invalid name for -n\n");
@@ -655,13 +556,16 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
 
 #ifdef CY_ATTACH
             case 'p': {
 
 #ifdef CY_ATTACH
             case 'p': {
-                size_t size(strlen(arg));
+                size_t size(strlen(optarg));
                 char *end;
 
                 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
                     // XXX: arg needs to be escaped in some horrendous way of doom
-                    const char *command(apr_psprintf(pool, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", arg));
+                    // 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];
 
                     if (FILE *pids = popen(command, "r")) {
                         char value[32];
@@ -673,10 +577,8 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
                                 break;
                             else {
                                 size += read;
                                 break;
                             else {
                                 size += read;
-                                if (size == sizeof(value)) {
-                                    pid = _not(pid_t);
+                                if (size == sizeof(value))
                                     goto fail;
                                     goto fail;
-                                }
                             }
                         }
 
                             }
                         }
 
@@ -697,148 +599,233 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
                     }
 
                     if (pid == _not(pid_t)) {
                     }
 
                     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;
                     }
                 }
                         return 1;
                     }
                 }
-            } break;
+            } goto target;
 #endif
 
 #endif
 
+            case 'r': {
+                //size_t size(strlen(optarg));
+
+                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 != optarg + size) {
+                    fprintf(stderr, "invalid port in hostspec\n");
+                    return 1;
+                }*/
+
+                host = optarg;
+                *colon = '\0';
+                port = colon + 1;
+            } goto target;
+
             case 's':
                 strict_ = true;
             break;
             case 's':
                 strict_ = true;
             break;
+
+            default:
+                _assert(false);
         }
         }
-    } getopt:;
+    }
+
+  getopt:
+    argc -= optind;
+    argv += optind;
 
     const char *script;
 
     const char *script;
-    int ind(state->ind);
 
 #ifdef CY_ATTACH
 
 #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;
     }
         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
 
 #endif
 
-    if (ind == argc)
+    if (argc == 0)
         script = NULL;
     else {
 #ifdef CY_EXECUTE
         // XXX: const_cast?! wtf gcc :(
         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
 #endif
-        script = argv[ind];
+        script = argv[0];
         if (strcmp(script, "-") == 0)
             script = NULL;
     }
 
         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 {
 #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;
 #endif
 
     }
 #else
     client_ = -1;
 #endif
 
+    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 {
     if (script == NULL && tty)
         Console(options);
     else {
-        CYLocalPool pool;
-        CYDriver driver(script ?: "<stdin>");
-        cy::parser parser(driver);
-        Setup(driver, parser);
+        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());
+        }
 
 
-        char *start, *end;
+        if (timing_) {
+            std::stringbuf buffer;
+            stream->get(buffer, '\0');
+            _assert(!stream->fail());
 
 
-        if (script == NULL) {
-            start = NULL;
-            end = NULL;
+            double average(0);
+            int samples(-50);
+            uint64_t start(CYGetTime());
 
 
-            driver.file_ = stdin;
-        } else {
-            size_t size;
-            start = reinterpret_cast<char *>(Map(script, &size));
-            end = start + size;
+            for (;;) {
+                stream = new std::istringstream(buffer.str());
+
+                CYPool pool;
+                CYDriver driver(pool, *stream, script);
+                Setup(driver);
+
+                uint64_t begin(CYGetTime());
+                driver.Parse();
+                uint64_t end(CYGetTime());
 
 
-            if (size >= 2 && start[0] == '#' && start[1] == '!') {
-                start += 2;
+                delete stream;
 
 
-                if (void *line = memchr(start, '\n', end - start))
-                    start = reinterpret_cast<char *>(line);
-                else
-                    start = end;
+                average += (end - begin - average) / ++samples;
+
+                uint64_t now(CYGetTime());
+                if (samples == 0)
+                    average = 0;
+                else if ((now - start) / 1000000000 >= 1)
+                    std::cout << std::fixed << average << '\t' << (end - begin) << '\t' << samples << std::endl;
+                else continue;
+
+                start = now;
             }
 
             }
 
-            driver.data_ = start;
-            driver.size_ = end - start;
+            stream = new std::istringstream(buffer.str());
+            std::cin.get();
         }
 
         }
 
-        if (parser.parse() != 0 || !driver.errors_.empty()) {
+        CYPool pool;
+        CYDriver driver(pool, *stream, script);
+        Setup(driver);
+
+        bool failed(driver.Parse());
+
+        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;
             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) {
-                std::string code(start, end-start);
-                Run(client_, code, stdout);
-            } 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_, code, stdout);
-            }
+        } else if (driver.script_ != NULL) {
+            std::stringbuf str;
+            CYOutput out(str, options);
+            Setup(out, driver, options, true);
+            out << *driver.script_;
+            std::string code(str.str());
+            if (compile)
+                std::cout << code;
+            else
+                Run(client_, false, code, &std::cout);
+        }
     }
 
     return 0;
 }
 
     }
 
     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;
         return Main(argc, argv, envp);
     } catch (const CYException &error) {
         CYPool pool;
Cycript