-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2015 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
*/
/* GNU Affero General Public License, Version 3 {{{ */
#endif
#include <cstdio>
+#include <complex>
#include <fstream>
#include <sstream>
-#include <setjmp.h>
-
#ifdef HAVE_READLINE_H
#include <readline.h>
#else
#include <errno.h>
#include <getopt.h>
+#include <setjmp.h>
#include <signal.h>
#include <unistd.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 <pwd.h>
#include <dlfcn.h>
+#include <pwd.h>
+#include <term.h>
#ifdef __APPLE__
#include <mach/mach_time.h>
#endif
-#include "Display.hpp"
+#include "Code.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,
Parsing,
case Parsing:
longjmp(ctrlc_, 1);
case Running:
+#ifndef __ANDROID__
CYCancel();
+#endif
return;
case Sending:
return;
static std::ostream *out_;
-static void Output(CYUTF8String json, std::ostream *out, bool expand = false) {
+static void Output(CYUTF8String json, std::ostream *out, bool expand = false, 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);
static char **Complete(const char *word, int start, int end) {
rl_attempted_completion_over = ~0;
std::string line(rl_line_buffer, start);
- return CYComplete(word, command_ + line, &Run);
+ char **values(CYComplete(word, command_ + line, &Run));
+ mode_ = Parsing;
+ return values;
}
// need char *, not const char *
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';
}
- ~History() {
+ ~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));
} else {
_assert(write_history(histfile_.c_str()) == 0);
}
- }
+ } catch (const CYException &error) {
+ CYPool pool;
+ std::cout << error.PoolCString(pool) << std::endl;
+ } }
- void operator +=(const std::string &command) {
+ 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;
+}
+
+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;
+}
+
+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;
+ }
+
+ insert:
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL)
+ before = rl_line_buffer;
+
+ int space(before + 1 - rl_line_buffer);
+ while (space != rl_point && rl_line_buffer[space] == ' ')
+ ++space;
+
+ int adjust(rl_line_buffer + space - 1 - before);
+ if (space == rl_point && adjust != 0)
+ _lblcall(&rl_rubout, adjust, '\b');
+
+ _lblcall(&rl_insert, count, '\n');
+ if (adjust != 0)
+ _lblcall(&rl_insert, adjust, ' ');
+
+ return 0;
+ }
+
+ 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);
+
+ size_t last(std::string::npos);
+ for (size_t i(0); i != std::string::npos; i = command.find('\n', i + 1))
+ ++last;
+
+ 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;
+ }
+
+ if (done) {
+ _lblcall(&rl_newline, count, key);
+ return 0;
+ }
+
+ // XXX: this was the most obvious fix, but is seriously dumb
+ goto insert;
+}
+
+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;
+ }
+
+ char *before(CYmemrchr(rl_line_buffer, '\n', after - rl_line_buffer));
+ if (before == NULL)
+ before = rl_line_buffer - 1;
+
+ 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;
+ }
+
+ return 0;
+}
+
+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;
+ }
+
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL)
+ before = rl_line_buffer - 1;
+
+ 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;
+
+ 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;
+ }
+
+ return 0;
+}
+
+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);
+ }
+
+ 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, bool reparse = false) {
+ CYPool pool;
+ Output(Run(pool, client_, code), &std::cout, expand, reparse);
+}
+
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 = getpwuid(getuid());
basedir = passwd->pw_dir;
}
+#endif
basedir += "/.cycript";
mkdir(basedir.c_str(), 0700);
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);
-#if RL_READLINE_VERSION >= 0x0600
- rl_redisplay_function = CYDisplayUpdate;
-#endif
+ if (cur_term != NULL) {
+ rl_redisplay_function = CYDisplayUpdate;
+ rl_prep_term_function = CYConsolePrepTerm;
+ }
+
+ CYOutputRun("");
struct sigaction action;
sigemptyset(&action.sa_mask);
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;
- 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) {
*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;
- }
- command_ = line;
- history += command_;
- goto restart;
- }
}
- command_ += line;
- command_ += "\n";
+ 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;
+ } 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 {
- std::istringstream stream(command_);
+ code = command;
+ else try {
+ std::stringbuf stream(command);
CYPool pool;
CYDriver driver(pool, stream);
Setup(driver);
- bool failed(driver.Parse());
-
- if (failed || !driver.errors_.empty()) {
+ if (driver.Parse() || !driver.errors_.empty()) {
for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
CYPosition begin(error->location_.begin);
- if (begin.line != lines.size() + 1 || error->warning_) {
- CYPosition end(error->location_.end);
-
- if (begin.line != lines.size()) {
- std::cerr << " | ";
- 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 end(error->location_.end);
+ /*if (begin.line != lines2.size()) {
std::cerr << " | ";
- std::cerr << error->message_ << std::endl;
+ 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;
- history += command_.substr(0, command_.size() - 1);
- goto restart;
- }
- }
+ std::cerr << " | ";
+ std::cerr << error->message_ << std::endl;
- driver.errors_.clear();
+ break;
+ }
- prompt = "cy> ";
- goto read;
+ continue;
}
if (driver.script_ == NULL)
- goto restart;
+ 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;
}
- history += command_.substr(0, command_.size() - 1);
-
if (debug) {
std::cout << "cy= ";
CYLexerHighlight(code.c_str(), code.size(), std::cout);
std::cout << std::endl;
}
- CYPool pool;
- Output(Run(pool, client_, code), &std::cout, expand);
+ CYOutputRun(code, expand, reparse);
}
}
}
} 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));
stream = new std::istringstream(buffer.str());
CYPool pool;
- CYDriver driver(pool, *stream, script);
+ CYDriver driver(pool, *stream->rdbuf(), script);
Setup(driver);
uint64_t begin(CYGetTime());
}
CYPool pool;
- CYDriver driver(pool, *stream, script);
+ CYDriver driver(pool, *stream->rdbuf(), 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;
+ return 1;
} else if (driver.script_ != NULL) {
std::stringbuf str;
CYOutput out(str, options);
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) {
projects / cycript.git / blobdiff