-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2012 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 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/>.
**/
/* }}} */
#endif
#include <cstdio>
+#include <complex>
+#include <fstream>
#include <sstream>
-#include <setjmp.h>
-
#ifdef HAVE_READLINE_H
#include <readline.h>
#else
#include <readline/history.h>
#endif
-#include <sys/mman.h>
-
#include <errno.h>
+#include <getopt.h>
+#include <setjmp.h>
+#include <signal.h>
#include <unistd.h>
+#include <sys/socket.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 <dlfcn.h>
#include <pwd.h>
+#include <term.h>
+
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif
-#include <apr_getopt.h>
+#include "Code.hpp"
+#include "Driver.hpp"
+#include "Error.hpp"
+#include "Highlight.hpp"
+#include "Syntax.hpp"
-#include <dlfcn.h>
+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);
-#include "Replace.hpp"
+ _rl_last_v_pos = current_.real();
+ _rl_last_c_pos = current_.imag();
+
+ width_ = width;
+ point_ = rl_point;
+}
static volatile enum {
Working,
case Parsing:
longjmp(ctrlc_, 1);
case Running:
- throw "*** Ctrl-C";
+#ifndef __ANDROID__
+ CYCancel();
+#endif
+ return;
case Sending:
return;
case Waiting:
}
}
-#if YYDEBUG
static bool bison_;
-#endif
+static bool timing_;
static bool strict_;
static bool pretty_;
-void Setup(CYDriver &driver, cy::parser &parser) {
-#if YYDEBUG
+void Setup(CYDriver &driver) {
if (bison_)
- parser.set_debug_level(1);
-#endif
+ driver.debug_ = 1;
if (strict_)
driver.strict_ = true;
}
-void Setup(CYOutput &out, CYDriver &driver, CYOptions &options) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
out.pretty_ = pretty_;
- CYContext context(options);
- driver.program_->Replace(context);
+ if (lower)
+ driver.Replace(options);
}
-static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
- const char *json;
- size_t size;
+class CYRemote {
+ public:
+ virtual CYUTF8String Run(CYPool &pool, CYUTF8String code) = 0;
+
+ inline CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return Run(pool, CYUTF8String(code.c_str(), code.size()));
+ }
+};
+
+class CYLocalRemote :
+ public CYRemote
+{
+ public:
+ virtual CYUTF8String Run(CYPool &pool, CYUTF8String code) {
+ const char *json;
+ uint32_t size;
- if (client == -1) {
mode_ = Running;
#ifdef CY_EXECUTE
- json = CYExecute(pool, code);
+ json = CYExecute(CYGetJSContext(), pool, code);
#else
json = NULL;
#endif
size = 0;
else
size = strlen(json);
- } else {
+
+ return CYUTF8String(json, size);
+ }
+};
+
+class CYSocketRemote :
+ public CYRemote
+{
+ private:
+ int socket_;
+
+ public:
+ CYSocketRemote(const char *host, const char *port) {
+ 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) {
+ socket_ = _syscall(socket(info->ai_family, info->ai_socktype, info->ai_protocol)); try {
+ _syscall(connect(socket_, info->ai_addr, info->ai_addrlen));
+ break;
+ } catch (...) {
+ _syscall(close(socket_));
+ throw;
+ }
+ }
+ } catch (...) {
+ freeaddrinfo(infos);
+ throw;
+ }
+ }
+
+ virtual CYUTF8String Run(CYPool &pool, CYUTF8String code) {
+ const char *json;
+ uint32_t size;
+
mode_ = Sending;
size = code.size;
- CYSendAll(client, &size, sizeof(size));
- CYSendAll(client, code.data, code.size);
+ _assert(CYSendAll(socket_, &size, sizeof(size)));
+ _assert(CYSendAll(socket_, code.data, code.size));
mode_ = Waiting;
- CYRecvAll(client, &size, sizeof(size));
- if (size == _not(size_t))
+ _assert(CYRecvAll(socket_, &size, sizeof(size)));
+ if (size == _not(uint32_t)) {
+ size = 0;
json = NULL;
- else {
+ } else {
char *temp(new(pool) char[size + 1]);
- CYRecvAll(client, temp, size);
+ _assert(CYRecvAll(socket_, temp, size));
temp[size] = '\0';
json = temp;
}
mode_ = Working;
+
+ return CYUTF8String(json, size);
}
+};
- return CYUTF8String(json, size);
-}
+void InjectLibrary(pid_t, std::ostream &stream, int, const char *const []);
-static CYUTF8String Run(CYPool &pool, int client, const std::string &code) {
- return Run(pool, client, CYUTF8String(code.c_str(), code.size()));
-}
+class CYInjectRemote :
+ public CYRemote
+{
+ private:
+ int pid_;
+
+ public:
+ CYInjectRemote(int pid) :
+ pid_(pid)
+ {
+ // XXX: wait
+ }
+
+ virtual CYUTF8String Run(CYPool &pool, CYUTF8String code) {
+ std::ostringstream stream;
+ const char *args[2] = {"-e", code.data};
+ InjectLibrary(pid_, stream, 2, args);
+ std::string json(stream.str());
+ if (!json.empty() && json[json.size() - 1] == '\n')
+ json.resize(json.size() - 1);
+ return CYUTF8String(strdup(json.c_str()), json.size());
+ }
+};
static std::ostream *out_;
-static void Output(CYUTF8String json, std::ostream *out, bool expand = false) {
+static void Output(CYUTF8String json, std::ostream *out, bool reparse = false) {
+ CYPool pool;
+
+ if (reparse) do {
+ CYStream stream(json.data, json.data + json.size);
+ CYDriver driver(pool, stream);
+ if (driver.Parse(CYMarkExpression))
+ break;
+ std::stringbuf str;
+ CYOptions options;
+ CYOutput out(str, options);
+ out.pretty_ = true;
+ out << *driver.context_;
+ std::string data(str.str());
+ json = CYPoolUTF8String(pool, data);
+ if (json.size == 0)
+ json.data = NULL;
+ } while (false);
+
const char *data(json.data);
size_t size(json.size);
- if (data == NULL || out == NULL)
+ if (size == 0 || out == NULL)
return;
- if (!expand ||
- data[0] != '@' && data[0] != '"' && data[0] != '\'' ||
- data[0] == '@' && data[1] != '"' && data[1] != '\''
- )
- out->write(data, size);
- else for (size_t i(0); i != size; ++i)
- if (data[i] != '\\')
- *out << data[i];
- else switch(data[++i]) {
- case '\0': goto done;
- case '\\': *out << '\\'; break;
- case '\'': *out << '\''; break;
- case '"': *out << '"'; break;
- case 'b': *out << '\b'; break;
- case 'f': *out << '\f'; break;
- case 'n': *out << '\n'; break;
- case 'r': *out << '\r'; break;
- case 't': *out << '\t'; break;
- case 'v': *out << '\v'; break;
- default: *out << '\\'; --i; break;
- }
-
- done:
+ CYLexerHighlight(data, size, *out);
*out << std::endl;
}
-static void Run(int client, const char *data, size_t size, std::ostream *out = NULL, bool expand = false) {
- CYPool pool;
- Output(Run(pool, client, CYUTF8String(data, size)), out, expand);
-}
-
-static void Run(int client, std::string &code, std::ostream *out = NULL, bool expand = false) {
- Run(client, code.c_str(), code.size(), out, expand);
-}
-
int (*append_history$)(int, const char *);
static std::string command_;
-static CYExpression *ParseExpression(CYUTF8String code) {
- std::stringstream stream;
- stream << '(' << code << ')';
- CYDriver driver(stream);
+static CYRemote *remote_;
- cy::parser parser(driver);
- Setup(driver, parser);
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return remote_->Run(pool, code);
+}
- if (parser.parse() != 0 || !driver.errors_.empty())
- return NULL;
+static char **Complete(const char *word, int start, int end) {
+ rl_attempted_completion_over = ~0;
+ std::string line(rl_line_buffer, start);
+ char **values(CYComplete(word, command_ + line, &Run));
+ mode_ = Parsing;
+ return values;
+}
- CYOptions options;
- CYContext context(options);
+// need char *, not const char *
+static char name_[] = "cycript";
+static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]";
+
+class History {
+ private:
+ std::string histfile_;
+ size_t histlines_;
+
+ public:
+ History(std::string histfile) :
+ histfile_(histfile),
+ histlines_(0)
+ {
+ read_history(histfile_.c_str());
+
+ for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+ for (char *character(history->line); *character; ++character)
+ if (*character == '\x01') *character = '\n';
+ }
- // XXX: this could be replaced with a CYStatement::Primitive()
- if (CYExpress *express = dynamic_cast<CYExpress *>(driver.program_->statements_))
- return express->expression_->Primitive(context);
+ ~History() { try {
+ for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+ for (char *character(history->line); *character; ++character)
+ if (*character == '\n') *character = '\x01';
+
+ if (append_history$ != 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;
+ } }
+
+ void operator +=(std::string command) {
+ if (HIST_ENTRY *entry = history_get(where_history()))
+ if (command == entry->line)
+ return;
+ 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;
}
-static int client_;
-
-static char **Complete(const char *word, int start, int end) {
- rl_attempted_completion_over = TRUE;
+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;
+}
- CYLocalPool pool;
+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;
+ }
- std::string line(rl_line_buffer, start);
- std::istringstream stream(command_ + line);
- CYDriver driver(stream);
+ insert:
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL)
+ before = rl_line_buffer;
- driver.auto_ = true;
+ int space(before + 1 - rl_line_buffer);
+ while (space != rl_point && rl_line_buffer[space] == ' ')
+ ++space;
- cy::parser parser(driver);
- Setup(driver, parser);
+ int adjust(rl_line_buffer + space - 1 - before);
+ if (space == rl_point && adjust != 0)
+ _lblcall(&rl_rubout, adjust, '\b');
- if (parser.parse() != 0 || !driver.errors_.empty())
- return NULL;
+ _lblcall(&rl_insert, count, '\n');
+ if (adjust != 0)
+ _lblcall(&rl_insert, adjust, ' ');
- if (driver.mode_ == CYDriver::AutoNone)
- return NULL;
+ return 0;
+ }
- CYExpression *expression;
+ 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);
- CYOptions options;
- CYContext context(options);
+ size_t last(std::string::npos);
+ for (size_t i(0); i != std::string::npos; i = command.find('\n', i + 1))
+ ++last;
- std::ostringstream prefix;
+ 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;
+ }
- switch (driver.mode_) {
- case CYDriver::AutoPrimary:
- expression = $ CYThis();
- break;
+ if (done) {
+ _lblcall(&rl_newline, count, key);
+ return 0;
+ }
- case CYDriver::AutoDirect:
- expression = driver.context_;
- break;
+ // XXX: this was the most obvious fix, but is seriously dumb
+ goto insert;
+}
- case CYDriver::AutoIndirect:
- expression = $ CYIndirect(driver.context_);
- break;
+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;
+ }
- 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) {
- *out_ << '\n';
- Output(json, out_);
- 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) {
+ 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;
+ }
- 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
- 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;
+ if (rl_point != rl_end && rl_editing_mode == 0)
+ --rl_point;
+ return 0;
+}
+
+static int CYConsoleKeyBack(int count, int key) {
+ for (; count != 0; --count) {
+ if (rl_point == 0)
+ return 1;
+
+ 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;
+ }
+
+ 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);
}
- 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;
+ _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);
+}
- char **results(reinterpret_cast<char **>(malloc(sizeof(char *) * (count + 2))));
+static void CYConsoleRemapKeys(Keymap map) {
+ CYConsoleRemapBind(map, &rl_beg_of_line, &CYConsoleLineBegin);
+ CYConsoleRemapBind(map, &rl_end_of_line, &CYConsoleLineEnd);
- 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;
+ CYConsoleRemapBind(map, &rl_get_previous_history, &CYConsoleKeyUp);
+ CYConsoleRemapBind(map, &rl_get_next_history, &CYConsoleKeyDown);
- return results;
+ CYConsoleRemapBind(map, &rl_rubout, &CYConsoleKeyBack);
+ CYConsoleRemapBind(map, &rl_complete, &CYConsoleKeyTab);
}
-// need char *, not const char *
-static char name_[] = "cycript";
-static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]";
+static void CYConsolePrepTerm(int meta) {
+ rl_prep_terminal(meta);
-static void Console(CYOptions &options) {
+ 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 reparse = false) {
CYPool pool;
+ Output(Run(pool, code), &std::cout, reparse);
+}
- passwd *passwd;
- if (const char *username = getenv("LOGNAME"))
- passwd = getpwnam(username);
- else
- passwd = getpwuid(getuid());
+static void Console(CYOptions &options) {
+ std::string basedir;
+#ifdef __ANDROID__
+ basedir = "/data/local/tmp";
+#else
+ 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;
+ }
+#endif
- 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_;
- mkdir(basedir, 0700);
- read_history(histfile);
+ History history(basedir + "/history");
bool bypass(false);
bool debug(false);
- bool expand(false);
+ bool lower(true);
+ bool reparse(false);
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_bind_key('\t', rl_complete);
- struct sigaction action;
- sigemptyset(&action.sa_mask);
- action.sa_handler = &sigint;
- action.sa_flags = 0;
- sigaction(SIGINT, &action, NULL);
+ if (cur_term != NULL) {
+ rl_redisplay_function = CYDisplayUpdate;
+ rl_prep_term_function = CYConsolePrepTerm;
+ }
- restart: for (;;) {
- command_.clear();
- std::vector<std::string> lines;
+ CYOutputRun("");
- bool extra(false);
- const char *prompt("cy# ");
+ for (;;) {
+ struct sigaction action;
+ sigemptyset(&action.sa_mask);
+ action.sa_handler = &sigint;
+ action.sa_flags = 0;
+ sigaction(SIGINT, &action, NULL);
if (setjmp(ctrlc_) != 0) {
mode_ = Working;
*out_ << std::endl;
- goto restart;
+ continue;
+ }
+
+ 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);
}
- read:
mode_ = Parsing;
- char *line(readline(prompt));
+ char *line(readline("cy# "));
mode_ = Working;
- if (line == NULL)
+
+ if (line == NULL) {
+ *out_ << std::endl;
break;
- 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 == "expand") {
- expand = !expand;
- *out_ << "expand == " << (expand ? "true" : "false") << std::endl;
- }
- add_history(line);
- ++histlines;
- 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 == "lower") {
+ lower = !lower;
+ *out_ << "lower == " << (lower ? "true" : "false") << std::endl;
+ } else if (data == "reparse") {
+ reparse = !reparse;
+ *out_ << "reparse == " << (reparse ? "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;
-
if (bypass)
- code = command_;
- else {
- CYLocalPool pool;
-
- std::istringstream stream(command_);
- CYDriver driver(stream);
+ code = command;
+ else try {
+ std::stringbuf stream(command);
- cy::parser parser(driver);
- Setup(driver, parser);
+ 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) {
- 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;
- add_history(command_.c_str());
- ++histlines;
- goto restart;
- }
+ break;
}
- driver.errors_.clear();
-
- command_ += '\n';
- prompt = "cy> ";
- goto read;
+ continue;
}
- if (driver.program_ == NULL)
- goto restart;
-
- if (client_ != -1)
- code = command_;
- else {
- std::ostringstream str;
- CYOutput out(str, options);
- Setup(out, driver, options);
- out << *driver.program_;
- code = str.str();
- }
+ if (driver.script_ == NULL)
+ continue;
+
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, lower);
+ out << *driver.script_;
+ code = str.str();
+ } catch (const CYException &error) {
+ CYPool pool;
+ std::cout << error.PoolCString(pool) << std::endl;
+ continue;
}
- add_history(command_.c_str());
- ++histlines;
-
- if (debug)
- std::cout << code << std::endl;
-
- Run(client_, code, out_, 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$)(histlines, histfile);
- } else {
- write_history(histfile);
+ CYOutputRun(code, reparse);
}
-
- *out_ << std::endl;
}
-static void *Map(const char *path, size_t *psize) {
- int fd;
- _syscall(fd = open(path, O_RDONLY));
-
- struct stat stat;
- _syscall(fstat(fd, &stat));
- size_t size(stat.st_size);
-
- *psize = size;
-
- void *base;
- _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
-
- _syscall(close(fd));
- return base;
+static uint64_t CYGetTime() {
+#ifdef __APPLE__
+ return mach_absolute_time();
+#else
+ struct timespec spec;
+ clock_gettime(CLOCK_MONOTONIC, &spec);
+ return spec.tv_sec * UINT64_C(1000000000) + spec.tv_nsec;
+#endif
}
-void InjectLibrary(pid_t pid);
-
-int Main(int argc, char const * const argv[], char const * const envp[]) {
+int Main(int argc, char * const argv[], char const * const envp[]) {
bool tty(isatty(STDIN_FILENO));
bool compile(false);
+ bool target(false);
CYOptions options;
append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
-#ifdef CY_ATTACH
pid_t pid(_not(pid_t));
-#endif
- CYPool pool;
- apr_getopt_t *state;
- _aprcall(apr_getopt_init(&state, pool, argc, argv));
+ const char *host(NULL);
+ const char *port(NULL);
- for (;;) {
- char opt;
- const char *arg;
+ const char *argv0(argv[0]);
+
+ optind = 1;
- apr_status_t status(apr_getopt(state,
- "cg:n:"
-#ifdef CY_ATTACH
+ for (;;) {
+ int option(getopt_long(argc, argv,
+ "c"
+ "g:"
+ "n:"
"p:"
-#endif
+ "r:"
"s"
- , &opt, &arg));
-
- switch (status) {
- case APR_EOF:
+ , (const struct option[]) {
+ {NULL, no_argument, NULL, 'c'},
+ {NULL, required_argument, NULL, 'g'},
+ {NULL, required_argument, NULL, 'n'},
+ {NULL, required_argument, NULL, 'p'},
+ {NULL, required_argument, NULL, 'r'},
+ {NULL, no_argument, NULL, 's'},
+ {0, 0, 0, 0}}, NULL));
+
+ switch (option) {
+ case -1:
goto getopt;
- case APR_BADCH:
- case APR_BADARG:
+
+ case ':':
+ case '?':
fprintf(stderr,
"usage: cycript [-c]"
-#ifdef CY_ATTACH
" [-p <pid|name>]"
-#endif
+ " [-r <host:port>]"
" [<script> [<arg>...]]\n"
);
return 1;
- default:
- _aprcall(status);
- }
- switch (opt) {
+ target:
+ if (!target)
+ target = true;
+ else {
+ fprintf(stderr, "only one of -[cpr] may be used at a time\n");
+ return 1;
+ }
+ break;
+
case 'c':
compile = true;
- break;
+ goto target;
case 'g':
if (false);
- else if (strcmp(arg, "rename") == 0)
+ else if (strcmp(optarg, "rename") == 0)
options.verbose_ = true;
-#if YYDEBUG
- else if (strcmp(arg, "bison") == 0)
+ else if (strcmp(optarg, "bison") == 0)
bison_ = true;
-#endif
+ else if (strcmp(optarg, "timing") == 0)
+ timing_ = true;
else {
fprintf(stderr, "invalid name for -g\n");
return 1;
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");
}
break;
-#ifdef CY_ATTACH
case 'p': {
- size_t size(strlen(arg));
+ size_t size(strlen(optarg));
char *end;
- pid = strtoul(arg, &end, 0);
- if (arg + size != end) {
+ pid = strtoul(optarg, &end, 0);
+ if (optarg + size != end) {
// XXX: arg needs to be escaped in some horrendous way of doom
- const char *command(apr_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];
break;
else {
size += read;
- if (size == sizeof(value)) {
- pid = _not(pid_t);
+ if (size == sizeof(value))
goto fail;
- }
}
}
}
if (pid == _not(pid_t)) {
- fprintf(stderr, "invalid pid for -p\n");
+ fprintf(stderr, "unable to find process `%s' using ps\n", optarg);
return 1;
}
}
- } break;
-#endif
+ } goto target;
+
+ 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;
+
+ default:
+ _assert(false);
}
- } getopt:;
+ }
+
+ getopt:
+ argc -= optind;
+ argv += optind;
const char *script;
- int ind(state->ind);
-#ifdef CY_ATTACH
- if (pid != _not(pid_t) && ind < argc - 1) {
+ if (pid != _not(pid_t) && argc > 1) {
fprintf(stderr, "-p cannot set argv\n");
return 1;
}
- if (pid != _not(pid_t) && compile) {
- fprintf(stderr, "-p conflicts with -c\n");
- return 1;
- }
-#endif
-
- if (ind == argc)
+ if (argc == 0)
script = NULL;
else {
-#ifdef CY_EXECUTE
- // XXX: const_cast?! wtf gcc :(
- CYSetArgs(argc - ind - 1, const_cast<const char **>(argv + ind + 1));
-#endif
- script = argv[ind];
+ script = argv[0];
if (strcmp(script, "-") == 0)
script = NULL;
+ --argc;
+ ++argv;
}
-#ifdef CY_ATTACH
- if (pid != _not(pid_t) && script == NULL && !tty) {
- fprintf(stderr, "non-terminal attaching to remote console\n");
- return 1;
- }
+#ifdef CY_EXECUTE
+ // XXX: const_cast?! wtf gcc :(
+ CYSetArgs(argv0, script, argc, const_cast<const char **>(argv));
#endif
-#ifdef CY_ATTACH
- if (pid == _not(pid_t))
- client_ = -1;
- else {
- int server(_syscall(socket(PF_UNIX, SOCK_STREAM, 0))); try {
- struct sockaddr_un address;
- memset(&address, 0, sizeof(address));
- address.sun_family = AF_UNIX;
-
- sprintf(address.sun_path, "/tmp/.s.cy.%u", getpid());
-
- _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
- _syscall(chmod(address.sun_path, 0777));
-
- try {
- _syscall(listen(server, 1));
- InjectLibrary(pid);
- client_ = _syscall(accept(server, NULL, NULL));
- } catch (...) {
- // XXX: exception?
- unlink(address.sun_path);
- throw;
- }
- } catch (...) {
- _syscall(close(server));
- throw;
- }
- }
-#else
- client_ = -1;
-#endif
+ if (remote_ == NULL && pid != _not(pid_t))
+ remote_ = new CYInjectRemote(pid);
+
+ if (remote_ == NULL && host != NULL && port != NULL)
+ remote_ = new CYSocketRemote(host, port);
+
+ if (remote_ == NULL)
+ remote_ = new CYLocalRemote();
if (script == NULL && tty)
Console(options);
else {
- CYLocalPool pool;
-
- char *start, *end;
- std::istream *indirect;
-
+ std::istream *stream;
if (script == NULL) {
- start = NULL;
- end = NULL;
- indirect = &std::cin;
+ stream = &std::cin;
+ script = "<stdin>";
} else {
- size_t size;
- start = reinterpret_cast<char *>(Map(script, &size));
- end = start + size;
+ stream = new std::fstream(script, std::ios::in | std::ios::binary);
+ _assert(!stream->fail());
+ }
+
+ 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;
- if (size >= 2 && start[0] == '#' && start[1] == '!') {
- start += 2;
+ average += (end - begin - average) / ++samples;
- if (void *line = memchr(start, '\n', end - start))
- start = reinterpret_cast<char *>(line);
- else
- start = end;
+ 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;
}
- indirect = NULL;
+ stream = new std::istringstream(buffer.str());
+ std::cin.get();
}
- CYStream direct(start, end);
- std::istream &stream(indirect == NULL ? direct : *indirect);
- CYDriver driver(stream, script ?: "<stdin>");
+ CYPool pool;
+ CYDriver driver(pool, *stream->rdbuf(), script);
+ Setup(driver);
- cy::parser parser(driver);
- Setup(driver, parser);
+ 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;
- } else if (driver.program_ != NULL)
- if (client_ != -1) {
- // XXX: this code means that you can't pipe to another process
- std::string code(start, end-start);
- Run(client_, code, &std::cout);
- } 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, &std::cout);
+ return 1;
+ } 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, code));
+ if (CYStartsWith(json, "throw ")) {
+ CYLexerHighlight(json.data, json.size, std::cerr);
+ std::cerr << std::endl;
+ return 1;
+ }
}
+ }
}
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 {
+_visible int main(int argc, char * const argv[], char const * const envp[]) {
+ try {
return Main(argc, argv, envp);
} catch (const CYException &error) {
CYPool pool;
projects / cycript.git / blobdiff