Avoid breaking normal down-arrow cursor semantics.

[cycript.git] / Console.cpp

diff --git a/Console.cpp b/Console.cpp
index 934ab8c618a07a71f5a0b46f734ff135e90d7b72..93df74902cda23bbadaacb27150eb168c02cada0 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/>.

 **/
 /* }}} */
 
 **/
 /* }}} */
 


@@ -26,10 +26,10 @@
 #endif
 
 #include <cstdio>
 #endif
 
 #include <cstdio>

+#include <complex>
+#include <fstream>

 #include <sstream>
 
 #include <sstream>
 

-#include <setjmp.h>
-

 #ifdef HAVE_READLINE_H
 #include <readline.h>
 #else
 #ifdef HAVE_READLINE_H
 #include <readline.h>
 #else


@@ -42,28 +42,165 @@
 #include <readline/history.h>
 #endif
 
 #include <readline/history.h>
 #endif
 

-#include <sys/mman.h>
-

 #include <errno.h>
 #include <errno.h>

+#include <getopt.h>
+#include <setjmp.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 <netdb.h>

 
 

-#include "Cycript.tab.hh"
-
+#include <sys/ioctl.h>

 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/un.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/un.h>

+
+#include <dlfcn.h>

 #include <pwd.h>
 #include <pwd.h>

+#include <term.h>

 
 

-#include <apr_getopt.h>
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif

 
 

-#include <dlfcn.h>
+#include "Driver.hpp"
+#include "Error.hpp"
+#include "Highlight.hpp"
+#include "Syntax.hpp"
+
+extern "C" int rl_display_fixed;
+extern "C" int _rl_vis_botlin;
+extern "C" int _rl_last_c_pos;
+extern "C" int _rl_last_v_pos;
+
+typedef std::complex<int> CYCursor;
+
+static CYCursor current_;
+static int width_;
+static size_t point_;
+
+unsigned CYDisplayWidth() {
+    struct winsize info;
+    if (ioctl(1, TIOCGWINSZ, &info) != -1)
+        return info.ws_col;
+    return tgetnum(const_cast<char *>("co"));
+}
+
+void CYDisplayOutput_(bool display, const char *&data) {
+    for (;; ++data) {
+        char next(*data);
+        if (next == '\0' || next == CYIgnoreEnd)
+            return;
+        if (display)
+            putchar(next);
+    }
+}
+
+CYCursor CYDisplayOutput(bool display, int width, const char *data, ssize_t offset = 0) {
+    CYCursor point(current_);
+
+    for (;;) {
+        if (offset-- == 0)
+            point = current_;
+        switch (char next = *data++) {
+            case '\0':
+                return point;
+            break;
+
+            case CYIgnoreStart:
+                CYDisplayOutput_(display, data);
+            case CYIgnoreEnd:
+                ++offset;
+            break;
+
+            default:
+                if (display)
+                    putchar(next);
+                current_ += CYCursor(0, 1);
+                if (current_.imag() != width)
+                    break;
+                current_ = CYCursor(current_.real() + 1, 0);
+                if (display)
+                    putp(clr_eos);
+            break;
+
+            case '\n':
+                current_ = CYCursor(current_.real() + 1, 4);
+                if (display) {
+                    putp(clr_eol);
+                    putchar('\n');
+                    putchar(' ');
+                    putchar(' ');
+                    putchar(' ');
+                    putchar(' ');
+                }
+            break;

 
 

-#include "Replace.hpp"
+        }
+    }
+}
+
+void CYDisplayMove_(char *negative, char *positive, int offset) {
+    if (offset < 0)
+        putp(tparm(negative, -offset));
+    else if (offset > 0)
+        putp(tparm(positive, offset));
+}
+
+void CYDisplayMove(CYCursor target) {
+    CYCursor offset(target - current_);
+
+    CYDisplayMove_(parm_up_cursor, parm_down_cursor, offset.real());
+
+    if (char *parm = tparm(column_address, target.imag()))
+        putp(parm);
+    else
+        CYDisplayMove_(parm_left_cursor, parm_right_cursor, offset.imag());
+
+    current_ = target;
+}
+
+void CYDisplayUpdate() {
+    current_ = CYCursor(_rl_last_v_pos, _rl_last_c_pos);
+
+    const char *prompt(rl_display_prompt);
+
+    std::ostringstream stream;
+    CYLexerHighlight(rl_line_buffer, rl_end, stream, true);
+    std::string string(stream.str());
+    const char *buffer(string.c_str());
+
+    int width(CYDisplayWidth());
+    if (width_ != width) {
+        current_ = CYCursor();
+        CYDisplayOutput(false, width, prompt);
+        current_ = CYDisplayOutput(false, width, buffer, point_);
+    }
+
+    CYDisplayMove(CYCursor());
+    CYDisplayOutput(true, width, prompt);
+    CYCursor target(CYDisplayOutput(true, width, stream.str().c_str(), rl_point));
+
+    _rl_vis_botlin = current_.real();
+
+    if (current_.imag() == 0)
+        CYDisplayOutput(true, width, " ");
+    putp(clr_eos);
+
+    CYDisplayMove(target);
+    fflush(stdout);
+
+    _rl_last_v_pos = current_.real();
+    _rl_last_c_pos = current_.imag();
+
+    width_ = width;
+    point_ = rl_point;
+}

 
 static volatile enum {
     Working,
 
 static volatile enum {
     Working,


@@ -82,7 +219,8 @@ 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 +228,32 @@ 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 +265,15 @@ 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;
         }


@@ -152,267 +287,337 @@ 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 Output(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);
+        CYLexerHighlight(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);
-}
-
-static void Run(int client, const char *data, size_t size, FILE *fout = NULL, bool expand = false) {
-    CYPool pool;
-    Output(Run(pool, client, CYUTF8String(data, size)), fout, expand);
-}
-
-static void Run(int client, std::string &code, FILE *fout = NULL, bool expand = false) {
-    Run(client, code.c_str(), code.size(), fout, expand);
+    *out << std::endl;

 }
 
 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());
+static int client_;
+
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+    return Run(pool, client_, code);
+}

 
 

-    CYDriver driver;
-    driver.data_ = string.c_str();
-    driver.size_ = string.size();
+static char **Complete(const char *word, int start, int end) {
+    rl_attempted_completion_over = ~0;
+    std::string line(rl_line_buffer, start);
+    char **values(CYComplete(word, command_ + line, &Run));
+    mode_ = Parsing;
+    return values;
+}

 
 

-    cy::parser parser(driver);
-    Setup(driver, parser);
+// 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());
+
+        for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+            for (char *character(history->line); *character; ++character)
+                if (*character == '\x01') *character = '\n';
+    }

 
 

-    if (parser.parse() != 0 || !driver.errors_.empty())
-        return NULL;
+    ~History() {
+        for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+            for (char *character(history->line); *character; ++character)
+                if (*character == '\n') *character = '\x01';

 
 

-    CYOptions options;
-    CYContext context(options);
+        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);
+        }
+    }

 
 

-    // XXX: this could be replaced with a CYStatement::Primitive()
-    if (CYExpress *express = dynamic_cast<CYExpress *>(driver.program_->statements_))
-        return express->expression_->Primitive(context);
+    void operator +=(std::string command) {
+        add_history(command.c_str());
+        ++histlines_;
+    }
+};

 
 

+template <typename Type_>
+static Type_ *CYmemrchr(Type_ *data, Type_ value, size_t size) {
+    while (size != 0)
+        if (data[--size] == value)
+            return data + size;

     return NULL;
 }
 
     return NULL;
 }
 

-static int client_;
-
-static char **Complete(const char *word, int start, int end) {
-    rl_attempted_completion_over = TRUE;
+static int CYConsoleKeyBypass(int count, int key) {
+    rl_point = rl_end;
+    rl_insert(count, '\n');
+    return rl_newline(count, key);
+}

 
 

-    CYLocalPool pool;
-    CYDriver driver;
-    cy::parser parser(driver);
-    Setup(driver, parser);
+static int CYConsoleKeyReturn(int count, int key) {
+    if (rl_point != rl_end) {
+        if (memchr(rl_line_buffer, '\n', rl_end) == NULL)
+            return CYConsoleKeyBypass(count, key);

 
 

-    std::string line(rl_line_buffer, start);
-    std::string command(command_ + line);
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL)
+            before = rl_line_buffer;

 
 

-    driver.data_ = command.c_str();
-    driver.size_ = command.size();
+        int space(before + 1 - rl_line_buffer);
+        while (space != rl_point && rl_line_buffer[space] == ' ')
+            ++space;

 
 

-    driver.auto_ = true;
+        int adjust(rl_line_buffer + space - 1 - before);
+        if (space == rl_point && adjust != 0)
+            rl_rubout(adjust, '\b');

 
 

-    if (parser.parse() != 0 || !driver.errors_.empty())
-        return NULL;
+        rl_insert(count, '\n');
+        if (adjust != 0)
+            rl_insert(adjust, ' ');

 
 

-    if (driver.mode_ == CYDriver::AutoNone)
-        return NULL;
+        return 0;
+    }

 
 

-    CYExpression *expression;
+    rl_insert(count, '\n');

 
 

-    CYOptions options;
-    CYContext context(options);
+    bool done(false);
+    if (rl_line_buffer[0] == '?')
+        done = true;
+    else {
+        std::string command(rl_line_buffer, rl_end);
+        std::istringstream stream(command);

 
 

-    std::ostringstream prefix;
+        size_t last(std::string::npos);
+        for (size_t i(0); i != std::string::npos; i = command.find('\n', i + 1))
+            ++last;

 
 

-    switch (driver.mode_) {
-        case CYDriver::AutoPrimary:
-            expression = $ CYThis();
-        break;
+        CYPool pool;
+        CYDriver driver(pool, stream);
+        if (driver.Parse() || !driver.errors_.empty())
+            for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
+                if (error->location_.begin.line != last + 1)
+                    done = true;
+                break;
+            }
+        else
+            done = true;
+    }

 
 

-        case CYDriver::AutoDirect:
-            expression = driver.context_;
-        break;
+    if (done)
+        return rl_newline(count, key);
+    return 0;
+}

 
 

-        case CYDriver::AutoIndirect:
-            expression = $ CYIndirect(driver.context_);
-        break;
+static int CYConsoleKeyUp(int count, int key) {
+    while (count-- != 0) {
+        char *after(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (after == NULL) {
+            if (int value = rl_get_previous_history(1, key))
+                return value;
+            continue;
+        }

 
 

-        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;
+        char *before(CYmemrchr(rl_line_buffer, '\n', after - rl_line_buffer));
+        if (before == NULL)
+            before = rl_line_buffer - 1;

 
 

-        default:
-            _assert(false);
+        ptrdiff_t offset(rl_line_buffer + rl_point - after);
+        if (offset > after - before)
+            rl_point = after - rl_line_buffer;
+        else
+            rl_point = before + offset - rl_line_buffer;

     }
 
     }
 

-    std::string begin(prefix.str());
-
-    driver.program_ = $ CYProgram($ CYExpress($C3(ParseExpression(
-    "   function(object, prefix, word) {\n"
-    "       var names = [];\n"
-    "       var before = prefix.length;\n"
-    "       prefix += word;\n"
-    "       var entire = prefix.length;\n"
-    "       for (name in object)\n"
-    "           if (name.substring(0, entire) == prefix)\n"
-    "               names.push(name.substr(before));\n"
-    "       return names;\n"
-    "   }\n"
-    ), expression, $S(begin.c_str()), $S(word))));
-
-    driver.program_->Replace(context);
-
-    std::ostringstream str;
-    CYOutput out(str, options);
-    out << *driver.program_;
-
-    std::string code(str.str());
-    CYUTF8String json(Run(pool, client_, code));
-    // XXX: if this fails we should not try to parse it
-
-    CYExpression *result(ParseExpression(json));
-    if (result == NULL)
-        return NULL;
-
-    CYArray *array(dynamic_cast<CYArray *>(result));
-
-    if (array == NULL) {
-        fprintf(fout_, "\n");
-        Output(json, fout_);
-        rl_forced_update_display();
-        return NULL;
-    }
+    return 0;
+}

 
 

-    // XXX: use an std::set?
-    typedef std::vector<std::string> Completions;
-    Completions completions;
+static int CYConsoleKeyDown(int count, int key) {
+    while (count-- != 0) {
+        char *after(static_cast<char *>(memchr(rl_line_buffer + rl_point, '\n', rl_end - rl_point)));
+        if (after == NULL) {
+            int where(where_history());
+            if (int value = rl_get_next_history(1, key))
+                return value;
+            if (where != where_history()) {
+                char *first(static_cast<char *>(memchr(rl_line_buffer, '\n', rl_end)));
+                if (first != NULL)
+                    rl_point = first - 1 - rl_line_buffer;
+            }
+            continue;
+        }

 
 

-    std::string common;
-    bool rest(false);
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL)
+            before = rl_line_buffer - 1;

 
 

-    CYForEach (element, array->elements_) {
-        CYString *string(dynamic_cast<CYString *>(element->value_));
-        _assert(string != NULL);
+        char *next(static_cast<char *>(memchr(after + 1, '\n', rl_line_buffer + rl_end - after - 1)));
+        if (next == NULL)
+            next = rl_line_buffer + rl_end;

 
 

-        std::string completion;
-        if (string->size_ != 0)
-            completion.assign(string->value_, string->size_);
-        else if (driver.mode_ == CYDriver::AutoMessage)
-            completion = "]";
+        ptrdiff_t offset(rl_line_buffer + rl_point - before);
+        if (offset > next - after)
+            rl_point = next - rl_line_buffer;

         else
         else

-            continue;
+            rl_point = after + offset - rl_line_buffer;
+    }

 
 

-        completions.push_back(completion);
+    return 0;
+}

 
 

-        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);
+static int CYConsoleLineBegin(int count, int key) {
+    while (rl_point != 0 && rl_line_buffer[rl_point - 1] != '\n')
+        --rl_point;
+    return 0;
+}
+
+static int CYConsoleLineEnd(int count, int key) {
+    while (rl_point != rl_end && rl_line_buffer[rl_point] != '\n')
+        ++rl_point;
+    return 0;
+}
+
+static int CYConsoleKeyBack(int count, int key) {
+    while (count-- != 0) {
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL)
+            return rl_rubout(count, key);
+
+        int start(before + 1 - rl_line_buffer);
+        if (start == rl_point) rubout: {
+            rl_rubout(1, key);
+            continue;

         }
         }

+
+        for (int i(start); i != rl_point; ++i)
+            if (rl_line_buffer[i] != ' ')
+                goto rubout;
+        rl_rubout((rl_point - start) % 4 ?: 4, key);

     }
 
     }
 

-    size_t count(completions.size());
-    if (count == 0)
-        return NULL;
+    return 0;
+}

 
 

-    size_t colon(common.find(':'));
-    if (colon != std::string::npos)
-        common = common.substr(0, colon + 1);
-    if (completions.size() == 1)
-        common += ' ';
+static int CYConsoleKeyTab(int count, int key) {
+    char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+    if (before == NULL) complete:
+        return rl_complete_internal(rl_completion_mode(&CYConsoleKeyTab));
+    int start(before + 1 - rl_line_buffer);
+    for (int i(start); i != rl_point; ++i)
+        if (rl_line_buffer[i] != ' ')
+            goto complete;
+    return rl_insert(4 - (rl_point - start) % 4, ' ');
+}

 
 

-    char **results(reinterpret_cast<char **>(malloc(sizeof(char *) * (count + 2))));
+static void CYConsoleRemapBind(rl_command_func_t *from, rl_command_func_t *to) {
+    char **keyseqs(rl_invoking_keyseqs(from));
+    if (keyseqs == NULL)
+        return;
+    for (char **keyseq(keyseqs); *keyseq != NULL; ++keyseq) {
+        rl_bind_keyseq(*keyseq, to);
+        free(*keyseq);
+    }
+    free(keyseqs);
+}

 
 

-    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;
+static void CYConsolePrepTerm(int meta) {
+    rl_prep_terminal(meta);

 
 

-    return results;
+    CYConsoleRemapBind(&rl_beg_of_line, &CYConsoleLineBegin);
+    CYConsoleRemapBind(&rl_end_of_line, &CYConsoleLineEnd);
+    CYConsoleRemapBind(&rl_rubout, &CYConsoleKeyBack);

 }
 
 }
 

-// need char *, not const char *
-static char name_[] = "cycript";
-static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
-

 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);

 
 

-    fout_ = stdout;
-
-    // rl_completer_word_break_characters is broken in libedit
-    rl_basic_word_break_characters = break_;
+    out_ = &std::cout;

 
     rl_completer_word_break_characters = break_;
     rl_attempted_completion_function = &Complete;
 
     rl_completer_word_break_characters = break_;
     rl_attempted_completion_function = &Complete;

-    rl_bind_key('\t', rl_complete);
+
+    rl_bind_key(TAB, &CYConsoleKeyTab);
+
+    rl_redisplay_function = CYDisplayUpdate;
+    rl_prep_term_function = CYConsolePrepTerm;
+
+#if defined (__MSDOS__)
+    rl_bind_keyseq("\033[0A", &CYConsoleKeyUp);
+    rl_bind_keyseq("\033[0D", &CYConsoleKeyDown);
+#endif
+    rl_bind_keyseq("\033[A", &CYConsoleKeyUp);
+    rl_bind_keyseq("\033[B", &CYConsoleKeyDown);
+    rl_bind_keyseq("\033OA", &CYConsoleKeyUp);
+    rl_bind_keyseq("\033OB", &CYConsoleKeyDown);
+#if defined (__MINGW32__)
+    rl_bind_keyseq("\340H", &CYConsoleKeyUp);
+    rl_bind_keyseq("\340P", &CYConsoleKeyDown);
+    rl_bind_keyseq("\\000H", &CYConsoleKeyUp);
+    rl_bind_keyseq("\\000P", &CYConsoleKeyDown);
+#endif

 
     struct sigaction action;
     sigemptyset(&action.sa_mask);
 
     struct sigaction action;
     sigemptyset(&action.sa_mask);


@@ -420,170 +625,144 @@ static void Console(CYOptions &options) {
     action.sa_flags = 0;
     sigaction(SIGINT, &action, NULL);
 
     action.sa_flags = 0;
     sigaction(SIGINT, &action, NULL);
 

-    restart: for (;;) {
-        command_.clear();
-        std::vector<std::string> lines;
-
-        bool extra(false);
-        const char *prompt("cy# ");
-
+    for (;;) {

         if (setjmp(ctrlc_) != 0) {
             mode_ = Working;
         if (setjmp(ctrlc_) != 0) {
             mode_ = Working;

-            fputs("\n", fout_);
-            fflush(fout_);
-            goto restart;
+            *out_ << std::endl;
+            continue;
+        }
+
+        if (bypass) {
+            rl_bind_key('\r', &CYConsoleKeyBypass);
+            rl_bind_key('\n', &CYConsoleKeyBypass);
+        } else {
+            rl_bind_key('\r', &CYConsoleKeyReturn);
+            rl_bind_key('\n', &CYConsoleKeyReturn);

         }
 
         }
 

-      read:

         mode_ = Parsing;
         mode_ = Parsing;

-        char *line(readline(prompt));
+        char *line(readline("cy# "));

         mode_ = Working;
         mode_ = Working;

-        if (line == NULL)
+
+        if (line == NULL) {
+            *out_ << std::endl;

             break;
             break;

-        if (line[0] == '\0')
-            goto read;
-
-        if (!extra) {
-            extra = true;
-            if (line[0] == '?') {
-                std::string data(line + 1);
-                if (data == "bypass") {
-                    bypass = !bypass;
-                    fprintf(fout_, "bypass == %s\n", bypass ? "true" : "false");
-                    fflush(fout_);
-                } else if (data == "debug") {
-                    debug = !debug;
-                    fprintf(fout_, "debug == %s\n", debug ? "true" : "false");
-                    fflush(fout_);
-                } else if (data == "expand") {
-                    expand = !expand;
-                    fprintf(fout_, "expand == %s\n", expand ? "true" : "false");
-                    fflush(fout_);
-                }
-                add_history(line);
-                ++histlines;
-                goto restart;
-            }

         }
 
         }
 

-        command_ += line;
-
-        char *begin(line), *end(line + strlen(line));
-        while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
-            *nl = '\0';
-            lines.push_back(begin);
-            begin = nl + 1;
-        }
+        std::string command(line);
+        free(line);
+        _assert(!command.empty());
+        _assert(command[command.size() - 1] == '\n');
+        command.resize(command.size() - 1);
+        if (command.empty())
+            continue;

 
 

-        lines.push_back(begin);
+        if (command[0] == '?') {
+            std::string data(command.substr(1));
+            if (data == "bypass") {
+                bypass = !bypass;
+                *out_ << "bypass == " << (bypass ? "true" : "false") << std::endl;
+            } 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;
+            }

 
 

-        free(line);
+            history += command;
+            continue;
+        }

 
         std::string code;
 
         std::string code;

-

         if (bypass)
         if (bypass)

-            code = command_;
+            code = command;

         else {
         else {

-            CYLocalPool pool;
-            CYDriver driver;
-            cy::parser parser(driver);
-            Setup(driver, parser);
+            std::istringstream stream(command);

 
 

-            driver.data_ = command_.c_str();
-            driver.size_ = command_.size();
+            CYPool pool;
+            CYDriver driver(pool, stream);
+            Setup(driver);

 
 

-            if (parser.parse() != 0 || !driver.errors_.empty()) {
+            if (driver.Parse() || !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);
-
-                        if (begin.line != lines.size()) {
-                            std::cerr << "  | ";
-                            std::cerr << lines[begin.line - 1] << std::endl;
-                        }
-
-                        std::cerr << "....";
-                        for (size_t i(0); i != begin.column; ++i)
-                            std::cerr << '.';
-                        if (begin.line != end.line || begin.column == end.column)
-                            std::cerr << '^';
-                        else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
-                            std::cerr << '^';
-                        std::cerr << std::endl;
+                    CYPosition begin(error->location_.begin);
+                    CYPosition end(error->location_.end);

 
 

+                    /*if (begin.line != lines2.size()) {

                         std::cerr << "  | ";
                         std::cerr << "  | ";

-                        std::cerr << error->message_ << std::endl;
-
-                        add_history(command_.c_str());
-                        ++histlines;
-                        goto restart;
-                    }
+                        std::cerr << lines2[begin.line - 1] << std::endl;
+                    }*/
+
+                    std::cerr << "....";
+                    for (size_t i(0); i != begin.column; ++i)
+                        std::cerr << '.';
+                    if (begin.line != end.line || begin.column == end.column)
+                        std::cerr << '^';
+                    else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
+                        std::cerr << '^';
+                    std::cerr << std::endl;
+
+                    std::cerr << "  | ";
+                    std::cerr << error->message_ << std::endl;
+
+                    history += command;
+                    break;

                 }
 
                 }
 

-                driver.errors_.clear();
-
-                command_ += '\n';
-                prompt = "cy> ";
-                goto read;
+                continue;

             }
 
             }
 

-            if (driver.program_ == NULL)
-                goto restart;
+            if (driver.script_ == NULL)
+                continue;

 
 

-            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;
+        history += command;

 
 

-        if (debug)
-            std::cout << code << std::endl;
-
-        Run(client_, code, fout_, expand);
-    }
+        if (debug) {
+            std::cout << "cy= ";
+            CYLexerHighlight(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);
+        CYPool pool;
+        Output(Run(pool, client_, code), &std::cout, 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, int, const char *const []);

 
 

-    struct stat stat;
-    _syscall(fstat(fd, &stat));
-    size_t size(stat.st_size);
-
-    *psize = size;
-
-    void *base;
-    _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
-
-    _syscall(close(fd));
-    return base;
+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"));


@@ -592,52 +771,73 @@ 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;


@@ -646,7 +846,7 @@ 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");


@@ -656,13 +856,16 @@ 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];


@@ -674,10 +877,8 @@ 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;

-                                }

                             }
                         }
 
                             }
                         }
 


@@ -698,148 +899,239 @@ 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 {
+                CYUTF8String json(Run(pool, client_, code));
+                if (CYStartsWith(json, "throw ")) {
+                    CYLexerHighlight(json.data, json.size, std::cerr);
+                    std::cerr << std::endl;
+                    return 1;
+                }

             }
             }

+        }

     }
 
     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;