Use class extension syntax as part of Object CYON.

[cycript.git] / Console.cpp

diff --git a/Console.cpp b/Console.cpp
index eeda0f9b36c2f6fca6a131ccc78a22a027124210..8f8ff0a028c67f6655d434ffe8ace12213e40ac4 100644 (file)
--- a/Console.cpp
+++ b/Console.cpp
@@ -1,5 +1,5 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2014  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)

 */
 
 /* GNU Affero General Public License, Version 3 {{{ */
 */
 
 /* GNU Affero General Public License, Version 3 {{{ */


@@ -26,11 +26,10 @@
 #endif
 
 #include <cstdio>
 #endif
 
 #include <cstdio>

+#include <complex>

 #include <fstream>
 #include <sstream>
 
 #include <fstream>
 #include <sstream>
 

-#include <setjmp.h>
-

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


@@ -45,6 +44,7 @@
 
 #include <errno.h>
 #include <getopt.h>
 
 #include <errno.h>
 #include <getopt.h>

+#include <setjmp.h>

 #include <signal.h>
 #include <unistd.h>
 
 #include <signal.h>
 #include <unistd.h>
 


@@ -54,19 +54,153 @@
 #include <fcntl.h>
 #include <netdb.h>
 
 #include <fcntl.h>
 #include <netdb.h>
 

+#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 <pwd.h>

 
 #include <dlfcn.h>
 
 #include <dlfcn.h>

+#include <pwd.h>
+#include <term.h>

 
 

-#include "Display.hpp"
-#include "Replace.hpp"
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif

 
 

-#include "Cycript.tab.hh"

 #include "Driver.hpp"
 #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;
+
+        }
+    }
+}
+
+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,


@@ -85,7 +219,10 @@ static void sigint(int) {
         case Parsing:
             longjmp(ctrlc_, 1);
         case Running:
         case Parsing:
             longjmp(ctrlc_, 1);
         case Running:

-            throw "*** Ctrl-C";
+#ifndef __ANDROID__
+            CYCancel();
+#endif
+            return;

         case Sending:
             return;
         case Waiting:
         case Sending:
             return;
         case Waiting:


@@ -93,26 +230,22 @@ 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;
 }
 
 void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
     out.pretty_ = pretty_;
     if (strict_)
         driver.strict_ = true;
 }
 
 void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
     out.pretty_ = pretty_;

-    CYContext context(options);

     if (lower)
     if (lower)

-        driver.program_->Replace(context);
+        driver.Replace(options);

 }
 
 static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
 }
 
 static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {


@@ -158,14 +291,7 @@ static CYUTF8String Run(CYPool &pool, int client, const std::string &code) {
 
 static std::ostream *out_;
 
 
 static std::ostream *out_;
 

-static void Write(bool syntax, const char *data, size_t size, std::ostream &out) {
-    if (syntax)
-        CYLexerHighlight(data, size, out);
-    else
-        out.write(data, size);
-}
-
-static void Output(bool syntax, CYUTF8String json, std::ostream *out, bool expand = false) {
+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);
 


@@ -176,7 +302,7 @@ static void Output(bool syntax, CYUTF8String json, std::ostream *out, bool expan
         data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
         data[0] == '@' && data[1] != '"' && data[1] != '\''
     )
         data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
         data[0] == '@' && data[1] != '"' && data[1] != '\''
     )

-        Write(syntax, data, size, *out);
+        CYLexerHighlight(data, size, *out);

     else for (size_t i(0); i != size; ++i)
         if (data[i] != '\\')
             *out << data[i];
     else for (size_t i(0); i != size; ++i)
         if (data[i] != '\\')
             *out << data[i];


@@ -198,227 +324,299 @@ static void Output(bool syntax, CYUTF8String json, std::ostream *out, bool expan
     *out << std::endl;
 }
 
     *out << std::endl;
 }
 

-static void Run(int client, bool syntax, const char *data, size_t size, std::ostream *out = NULL, bool expand = false) {
-    CYPool pool;
-    Output(syntax, Run(pool, client, CYUTF8String(data, size)), out, expand);
-}
-
-static void Run(int client, bool syntax, std::string &code, std::ostream *out = NULL, bool expand = false) {
-    Run(client, syntax, code.c_str(), code.size(), out, expand);
-}
-

 int (*append_history$)(int, const char *);
 
 static std::string command_;
 
 int (*append_history$)(int, const char *);
 
 static std::string command_;
 

-static CYExpression *ParseExpression(CYUTF8String code) {
-    std::stringstream stream;
-    stream << '(' << code << ')';
-    CYDriver driver(stream);
-
-    cy::parser parser(driver);
-    Setup(driver, parser);
-
-    if (parser.parse() != 0 || !driver.errors_.empty())
-        return NULL;
+static int client_;

 
 

-    CYOptions options;
-    CYContext context(options);
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+    return Run(pool, client_, code);
+}

 
 

-    CYStatement *statement(driver.program_->statements_);
-    _assert(statement != NULL);
-    _assert(statement->next_ == NULL);
+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;
+}

 
 

-    CYExpress *express(dynamic_cast<CYExpress *>(driver.program_->statements_));
-    _assert(express != NULL);
+// need char *, not const char *
+static char name_[] = "cycript";
+static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]";

 
 

-    return express->expression_;
-}
+class History {
+  private:
+    std::string histfile_;
+    size_t histlines_;

 
 

-static int client_;
+  public:
+    History(std::string histfile) :
+        histfile_(histfile),
+        histlines_(0)
+    {
+        read_history(histfile_.c_str());

 
 

-static char **Complete(const char *word, int start, int end) {
-    rl_attempted_completion_over = ~0;
+        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';
+    }

 
 

-    CYLocalPool pool;
+    ~History() { try {
+        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';

 
 

-    std::string line(rl_line_buffer, start);
-    std::istringstream stream(command_ + line);
-    CYDriver driver(stream);
+        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);
+        }
+    } catch (const CYException &error) {
+        CYPool pool;
+        std::cout << error.PoolCString(pool) << std::endl;
+    } }

 
 

-    driver.auto_ = true;
+    void operator +=(std::string command) {
+        add_history(command.c_str());
+        ++histlines_;
+    }
+};

 
 

-    cy::parser parser(driver);
-    Setup(driver, parser);
+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;
+}

 
 

-    if (parser.parse() != 0 || !driver.errors_.empty())
-        return NULL;
+static void _lblcall(int (*command)(int, int), int count, int key) {
+    int last(_rl_last_c_pos);
+    // rl_rubout crashes in _rl_erase_at_end_of_line if _rl_last_c_pos != 0
+    if (command == &rl_rubout)
+        _rl_last_c_pos = 0;
+    for (int i(0); i != count; ++i)
+        if (command(1, key) != 0)
+            _assert(false);
+    _rl_last_c_pos = last;
+}

 
 

-    if (driver.mode_ == CYDriver::AutoNone)
-        return NULL;
+static int CYConsoleKeyReturn(int count, int key) {
+    if (rl_point != rl_end) {
+        if (memchr(rl_line_buffer, '\n', rl_end) == NULL) {
+            _lblcall(&rl_newline, count, key);
+            return 0;
+        }

 
 

-    CYExpression *expression;
+      insert:
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL)
+            before = rl_line_buffer;

 
 

-    CYOptions options;
-    CYContext context(options);
+        int space(before + 1 - rl_line_buffer);
+        while (space != rl_point && rl_line_buffer[space] == ' ')
+            ++space;

 
 

-    std::ostringstream prefix;
+        int adjust(rl_line_buffer + space - 1 - before);
+        if (space == rl_point && adjust != 0)
+            _lblcall(&rl_rubout, adjust, '\b');

 
 

-    switch (driver.mode_) {
-        case CYDriver::AutoPrimary:
-            expression = $ CYThis();
-        break;
+        _lblcall(&rl_insert, count, '\n');
+        if (adjust != 0)
+            _lblcall(&rl_insert, adjust, ' ');

 
 

-        case CYDriver::AutoDirect:
-            expression = driver.context_;
-        break;
+        return 0;
+    }

 
 

-        case CYDriver::AutoIndirect:
-            expression = $ CYIndirect(driver.context_);
-        break;
+    bool done(false);
+    if (rl_line_buffer[0] == '?')
+        done = true;
+    else {
+        std::string command(rl_line_buffer, rl_end);
+        command += '\n';
+        std::stringbuf stream(command);

 
 

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

 
 

-        default:
-            _assert(false);
+        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;

     }
 
     }
 

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

     }
 
     }
 

-    // XXX: use an std::set?
-    typedef std::vector<std::string> Completions;
-    Completions completions;
+    // XXX: this was the most obvious fix, but is seriously dumb
+    goto insert;
+}

 
 

-    std::string common;
-    bool rest(false);
+static int CYConsoleKeyUp(int count, int key) {
+    for (; count != 0; --count) {
+        char *after(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (after == NULL) {
+            if (int value = rl_get_previous_history(1, key))
+                return value;
+            continue;
+        }

 
 

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

 
 

-        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 - after);
+        if (offset > after - before)
+            rl_point = after - rl_line_buffer;

         else
         else

-            continue;
+            rl_point = before + 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 CYConsoleKeyDown(int count, int key) {
+    for (; count != 0; --count) {
+        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;

         }
         }

-    }

 
 

-    size_t count(completions.size());
-    if (count == 0)
-        return NULL;
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL)
+            before = rl_line_buffer - 1;

 
 

-    size_t colon(common.find(':'));
-    if (colon != std::string::npos)
-        common = common.substr(0, colon + 1);
-    if (completions.size() == 1)
-        common += ' ';
+        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;

 
 

-    char **results(reinterpret_cast<char **>(malloc(sizeof(char *) * (count + 2))));
+        ptrdiff_t offset(rl_line_buffer + rl_point - before);
+        if (offset > next - after)
+            rl_point = next - rl_line_buffer;
+        else
+            rl_point = after + offset - rl_line_buffer;
+    }

 
 

-    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 0;
+}

 
 

-    return results;
+static int CYConsoleLineBegin(int count, int key) {
+    while (rl_point != 0 && rl_line_buffer[rl_point - 1] != '\n')
+        --rl_point;
+    return 0;

 }
 
 }
 

-// need char *, not const char *
-static char name_[] = "cycript";
-static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
+static int CYConsoleLineEnd(int count, int key) {
+    while (rl_point != rl_end && rl_line_buffer[rl_point] != '\n')
+        ++rl_point;
+    if (rl_point != rl_end && rl_editing_mode == 0)
+        --rl_point;
+    return 0;
+}

 
 

-class History {
-  private:
-    std::string histfile_;
-    size_t histlines_;
+static int CYConsoleKeyBack(int count, int key) {
+    for (; count != 0; --count) {
+        if (rl_point == 0)
+            return 1;

 
 

-  public:
-    History(std::string histfile) :
-        histfile_(histfile),
-        histlines_(0)
-    {
-        read_history(histfile_.c_str());
-    }
+        char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+        if (before == NULL) {
+            int adjust(std::min(count, rl_point));
+            _lblcall(&rl_rubout, adjust, key);
+            count -= adjust - 1;
+            continue;
+        }

 
 

-    ~History() {
-        if (append_history$ != NULL) {
-            int fd(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600)));
-            _syscall(close(fd));
-            _assert((*append_history$)(histlines_, histfile_.c_str()) == 0);
-        } else {
-            _assert(write_history(histfile_.c_str()) == 0);
+        int start(before + 1 - rl_line_buffer);
+        if (start == rl_point) rubout: {
+            _lblcall(&rl_rubout, 1, key);
+            continue;

         }
         }

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

     }
 
     }
 

-    void operator +=(const std::string &command) {
-        add_history(command_.c_str());
-        ++histlines_;
+    return 0;
+}
+
+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;
+    _lblcall(&rl_insert, 4 - (rl_point - start) % 4, ' ');
+    return 0;
+}
+
+static void CYConsoleRemapBind(Keymap map, rl_command_func_t *from, rl_command_func_t *to) {
+    char **keyseqs(rl_invoking_keyseqs_in_map(from, map));
+    if (keyseqs == NULL)
+        return;
+    for (char **keyseq(keyseqs); *keyseq != NULL; ++keyseq) {
+        rl_bind_keyseq_in_map(*keyseq, to, map);
+        free(*keyseq);

     }
     }

-};
+    free(keyseqs);
+}
+
+static void CYConsoleRemapKeys(Keymap map) {
+    CYConsoleRemapBind(map, &rl_beg_of_line, &CYConsoleLineBegin);
+    CYConsoleRemapBind(map, &rl_end_of_line, &CYConsoleLineEnd);
+
+    CYConsoleRemapBind(map, &rl_get_previous_history, &CYConsoleKeyUp);
+    CYConsoleRemapBind(map, &rl_get_next_history, &CYConsoleKeyDown);
+
+    CYConsoleRemapBind(map, &rl_rubout, &CYConsoleKeyBack);
+    CYConsoleRemapBind(map, &rl_complete, &CYConsoleKeyTab);
+}
+
+static void CYConsolePrepTerm(int meta) {
+    rl_prep_terminal(meta);
+
+    CYConsoleRemapKeys(emacs_standard_keymap);
+    CYConsoleRemapKeys(emacs_meta_keymap);
+    CYConsoleRemapKeys(emacs_ctlx_keymap);
+    CYConsoleRemapKeys(vi_insertion_keymap);
+    CYConsoleRemapKeys(vi_movement_keymap);
+}
+
+static void CYOutputRun(const std::string &code, bool expand = false) {
+    CYPool pool;
+    Output(Run(pool, client_, code), &std::cout, expand);
+}

 
 static void Console(CYOptions &options) {
     std::string basedir;
 
 static void Console(CYOptions &options) {
     std::string basedir;

+#ifdef __ANDROID__
+    basedir = "/data/local/tmp";
+#else

     if (const char *home = getenv("HOME"))
         basedir = home;
     else {
     if (const char *home = getenv("HOME"))
         basedir = home;
     else {


@@ -429,6 +627,7 @@ static void Console(CYOptions &options) {
             passwd = getpwuid(getuid());
         basedir = passwd->pw_dir;
     }
             passwd = getpwuid(getuid());
         basedir = passwd->pw_dir;
     }

+#endif

 
     basedir += "/.cycript";
     mkdir(basedir.c_str(), 0700);
 
     basedir += "/.cycript";
     mkdir(basedir.c_str(), 0700);


@@ -442,16 +641,18 @@ static void Console(CYOptions &options) {
     bool debug(false);
     bool expand(false);
     bool lower(true);
     bool debug(false);
     bool expand(false);
     bool lower(true);

-    bool syntax(true);

 
     out_ = &std::cout;
 
 
     out_ = &std::cout;
 

-    // rl_completer_word_break_characters is broken in libedit
-    rl_basic_word_break_characters = break_;
-

     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);
+
+    if (cur_term != NULL) {
+        rl_redisplay_function = CYDisplayUpdate;
+        rl_prep_term_function = CYConsolePrepTerm;
+    }
+
+    CYOutputRun("");

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


@@ -459,156 +660,136 @@ 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;
             *out_ << std::endl;
         if (setjmp(ctrlc_) != 0) {
             mode_ = Working;
             *out_ << std::endl;

-            goto restart;
+            continue;

         }
 
         }
 

-      read:
-
-#if RL_READLINE_VERSION >= 0x0600
-        if (syntax)
-            rl_redisplay_function = CYDisplayUpdate;
-        else
-            rl_redisplay_function = rl_redisplay;
-#endif
+        if (bypass) {
+            rl_bind_key('\r', &rl_newline);
+            rl_bind_key('\n', &rl_newline);
+        } else {
+            rl_bind_key('\r', &CYConsoleKeyReturn);
+            rl_bind_key('\n', &CYConsoleKeyReturn);
+        }

 
         mode_ = Parsing;
 
         mode_ = Parsing;

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

         mode_ = Working;
 
         if (line == NULL) {
             *out_ << std::endl;
             break;
         mode_ = Working;
 
         if (line == NULL) {
             *out_ << std::endl;
             break;

-        } else if (line[0] == '\0')
-            goto read;
-
-        if (!extra) {
-            extra = true;
-            if (line[0] == '?') {
-                std::string data(line + 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;
-                } else if (data == "syntax") {
-                    syntax = !syntax;
-                    *out_ << "syntax == " << (syntax ? "true" : "false") << std::endl;
-                }
-                command_ = line;
-                history += command_;
-                goto restart;
-            }

         }
 
         }
 

-        command_ += line;
+        std::string command(line);
+        free(line);
+        if (command.empty())
+            continue;
+        history += command;
+
+        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;
+            }

 
 

-        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;
+            continue;

         }
 
         }
 

-        lines.push_back(begin);
-
-        free(line);
-

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

-

         if (bypass)
         if (bypass)

-            code = command_;
-        else {
-            CYLocalPool pool;
+            code = command;
+        else try {
+            std::stringbuf stream(command);

 
 

-            std::istringstream stream(command_);
-            CYDriver driver(stream);
+            CYPool pool;
+            CYDriver driver(pool, stream);
+            Setup(driver);

 
 

-            cy::parser parser(driver);
-            Setup(driver, parser);
-
-            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);
+                    CYPosition begin(error->location_.begin);
+                    CYPosition end(error->location_.end);

 
 

-                        if (begin.line != lines.size()) {
-                            std::cerr << "  | ";
-                            std::cerr << lines[begin.line - 1] << std::endl;
-                        }
+                    /*if (begin.line != lines2.size()) {
+                        std::cerr << "  | ";
+                        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 << "....";
+                    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;
+                    std::cerr << "  | ";
+                    std::cerr << error->message_ << std::endl;

 
 

-                        history += command_;
-                        goto restart;
-                    }
+                    break;

                 }
 
                 }
 

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

             }
 
             }
 

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

 
 

-            std::ostringstream str;
+            std::stringbuf str;

             CYOutput out(str, options);
             Setup(out, driver, options, lower);
             CYOutput out(str, options);
             Setup(out, driver, options, lower);

-            out << *driver.program_;
+            out << *driver.script_;

             code = str.str();
             code = str.str();

+        } catch (const CYException &error) {
+            CYPool pool;
+            std::cout << error.PoolCString(pool) << std::endl;
+            continue;

         }
 
         }
 

-        history += command_;
-

         if (debug) {
             std::cout << "cy= ";
         if (debug) {
             std::cout << "cy= ";

-            Write(syntax, code.c_str(), code.size(), std::cout);
+            CYLexerHighlight(code.c_str(), code.size(), std::cout);

             std::cout << std::endl;
         }
 
             std::cout << std::endl;
         }
 

-        Run(client_, syntax, code, out_, expand);
+        CYOutputRun(code, expand);

     }
 }
 
     }
 }
 

-void InjectLibrary(pid_t, int, const char *[]);
+void InjectLibrary(pid_t, int, const char *const []);
+
+static uint64_t CYGetTime() {
+#ifdef __APPLE__
+    return mach_absolute_time();
+#else
+    struct timespec spec;
+    clock_gettime(CLOCK_MONOTONIC, &spec);
+    return spec.tv_sec * UINT64_C(1000000000) + spec.tv_nsec;
+#endif
+}

 
 int Main(int argc, char * const argv[], char const * const envp[]) {
     bool tty(isatty(STDIN_FILENO));
 
 int Main(int argc, char * const argv[], char const * const envp[]) {
     bool tty(isatty(STDIN_FILENO));


@@ -685,10 +866,10 @@ int Main(int argc, char * const argv[], char const * const envp[]) {
                 if (false);
                 else if (strcmp(optarg, "rename") == 0)
                     options.verbose_ = true;
                 if (false);
                 else if (strcmp(optarg, "rename") == 0)
                     options.verbose_ = true;

-#if YYDEBUG

                 else if (strcmp(optarg, "bison") == 0)
                     bison_ = true;
                 else if (strcmp(optarg, "bison") == 0)
                     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;


@@ -715,7 +896,8 @@ int Main(int argc, char * const argv[], char const * const envp[]) {
                     // XXX: arg needs to be escaped in some horrendous way of doom
                     // XXX: this is a memory leak now because I just don't care enough
                     char *command;
                     // XXX: arg needs to be escaped in some horrendous way of doom
                     // XXX: this is a memory leak now because I just don't care enough
                     char *command;

-                    asprintf(&command, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", optarg);
+                    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];


@@ -859,11 +1041,12 @@ int Main(int argc, char * const argv[], char const * const envp[]) {
             }
         } file(address.sun_path);
 
             }
         } file(address.sun_path);
 

-        _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
+        _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), sizeof(address)));

         _syscall(chmod(address.sun_path, 0777));
 
         _syscall(listen(server, 1));
         _syscall(chmod(address.sun_path, 0777));
 
         _syscall(listen(server, 1));

-        InjectLibrary(pid, 1, (const char *[]) {address.sun_path, NULL});
+        const char *const argv[] = {address.sun_path, NULL};
+        InjectLibrary(pid, 1, argv);

         client_ = _syscall(accept(server, NULL, NULL));
     }
 #else
         client_ = _syscall(accept(server, NULL, NULL));
     }
 #else


@@ -901,8 +1084,6 @@ int Main(int argc, char * const argv[], char const * const envp[]) {
     if (script == NULL && tty)
         Console(options);
     else {
     if (script == NULL && tty)
         Console(options);
     else {

-        CYLocalPool pool;
-

         std::istream *stream;
         if (script == NULL) {
             stream = &std::cin;
         std::istream *stream;
         if (script == NULL) {
             stream = &std::cin;


@@ -912,30 +1093,77 @@ int Main(int argc, char * const argv[], char const * const envp[]) {
             _assert(!stream->fail());
         }
 
             _assert(!stream->fail());
         }
 

-        CYDriver driver(*stream, script);
-        cy::parser parser(driver);
-        Setup(driver, parser);
+        if (timing_) {
+            std::stringbuf buffer;
+            stream->get(buffer, '\0');
+            _assert(!stream->fail());
+
+            double average(0);
+            int samples(-50);
+            uint64_t start(CYGetTime());
+
+            for (;;) {
+                stream = new std::istringstream(buffer.str());
+
+                CYPool pool;
+                CYDriver driver(pool, *stream->rdbuf(), script);
+                Setup(driver);
+
+                uint64_t begin(CYGetTime());
+                driver.Parse();
+                uint64_t end(CYGetTime());
+
+                delete stream;
+
+                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;
+            }
+
+            stream = new std::istringstream(buffer.str());
+            std::cin.get();
+        }
+
+        CYPool pool;
+        CYDriver driver(pool, *stream->rdbuf(), script);
+        Setup(driver);
+
+        bool failed(driver.Parse());

 
 

-        if (parser.parse() != 0 || !driver.errors_.empty()) {
+        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) {
-            std::ostringstream str;
+            return 1;
+        } else if (driver.script_ != NULL) {
+            std::stringbuf str;

             CYOutput out(str, options);
             Setup(out, driver, options, true);
             CYOutput out(str, options);
             Setup(out, driver, options, true);

-            out << *driver.program_;
+            out << *driver.script_;

             std::string code(str.str());
             if (compile)
                 std::cout << code;
             std::string code(str.str());
             if (compile)
                 std::cout << code;

-            else
-                Run(client_, false, code, &std::cout);
+            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 argv[], char const * const envp[]) {
+_visible int main(int argc, char * const argv[], char const * const envp[]) {

     try {
         return Main(argc, argv, envp);
     } catch (const CYException &error) {
     try {
         return Main(argc, argv, envp);
     } catch (const CYException &error) {