#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>
-#include "Display.hpp"
-#include "Replace.hpp"
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif
-#include "Cycript.tab.hh"
#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,
}
}
-#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, bool lower) {
out.pretty_ = pretty_;
- CYContext context(options);
if (lower)
- driver.program_->Replace(context);
+ driver.Replace(options);
}
static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
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);
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];
*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_;
-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;
-
- CYOptions options;
- CYContext context(options);
-
- CYStatement *statement(driver.program_->statements_);
- _assert(statement != NULL);
- _assert(statement->next_ == NULL);
-
- CYExpress *express(dynamic_cast<CYExpress *>(driver.program_->statements_));
- _assert(express != NULL);
+static int client_;
- return express->expression_;
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return Run(pool, client_, code);
}
-static int client_;
-
static char **Complete(const char *word, int start, int end) {
rl_attempted_completion_over = ~0;
-
- CYLocalPool pool;
-
std::string line(rl_line_buffer, start);
- std::istringstream stream(command_ + line);
- CYDriver driver(stream);
-
- driver.auto_ = true;
-
- cy::parser parser(driver);
- Setup(driver, parser);
-
- if (parser.parse() != 0 || !driver.errors_.empty())
- return NULL;
-
- if (driver.mode_ == CYDriver::AutoNone)
- return NULL;
-
- CYExpression *expression;
-
- CYOptions options;
- CYContext context(options);
-
- std::ostringstream prefix;
-
- switch (driver.mode_) {
- case CYDriver::AutoPrimary:
- expression = $ CYThis();
- break;
-
- case CYDriver::AutoDirect:
- expression = driver.context_;
- break;
-
- case CYDriver::AutoIndirect:
- expression = $ CYIndirect(driver.context_);
- break;
-
- case CYDriver::AutoMessage: {
- CYDriver::Context &thing(driver.contexts_.back());
- expression = $M($C1($V("object_getClass"), thing.context_), $S("messages"));
- for (CYDriver::Context::Words::const_iterator part(thing.words_.begin()); part != thing.words_.end(); ++part)
- prefix << (*part)->word_ << ':';
- } break;
-
- default:
- _assert(false);
- }
-
- 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;
- }
-
- // XXX: use an std::set?
- typedef std::vector<std::string> Completions;
- Completions completions;
-
- std::string common;
- bool rest(false);
-
- CYForEach (element, array->elements_) {
- CYString *string(dynamic_cast<CYString *>(element->value_));
- _assert(string != NULL);
-
- std::string completion;
- if (string->size_ != 0)
- completion.assign(string->value_, string->size_);
- else if (driver.mode_ == CYDriver::AutoMessage)
- completion = "]";
- else
- continue;
-
- completions.push_back(completion);
-
- if (!rest) {
- common = completion;
- rest = true;
- } 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);
- }
- }
-
- size_t count(completions.size());
- if (count == 0)
- return NULL;
-
- size_t colon(common.find(':'));
- if (colon != std::string::npos)
- common = common.substr(0, colon + 1);
- if (completions.size() == 1)
- common += ' ';
-
- char **results(reinterpret_cast<char **>(malloc(sizeof(char *) * (count + 2))));
-
- results[0] = strdup(common.c_str());
- size_t index(0);
- for (Completions::const_iterator i(completions.begin()); i != completions.end(); ++i)
- results[++index] = strdup(i->c_str());
- results[count + 1] = NULL;
-
- return results;
+ char **values(CYComplete(word, command_ + line, &Run));
+ 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() {
+ 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));
}
}
- void operator +=(const std::string &command) {
- add_history(command_.c_str());
+ void operator +=(std::string command) {
+ add_history(command.c_str());
++histlines_;
}
};
+static int CYConsoleKeyReturn(int count, int key) {
+ rl_insert(count, '\n');
+
+ if (rl_end != 0 && rl_point == rl_end && rl_line_buffer[0] == '?')
+ rl_done = 1;
+ else if (rl_point == rl_end) {
+ std::string command(rl_line_buffer, rl_end);
+ std::istringstream 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)
+ rl_done = 1;
+ break;
+ }
+ else
+ rl_done = 1;
+ }
+
+ if (rl_done)
+ std::cout << std::endl;
+ return 0;
+}
+
static void Console(CYOptions &options) {
std::string basedir;
if (const char *home = getenv("HOME"))
bool debug(false);
bool expand(false);
bool lower(true);
- bool syntax(true);
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);
+ rl_redisplay_function = CYDisplayUpdate;
+
struct sigaction action;
sigemptyset(&action.sa_mask);
action.sa_handler = &sigint;
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;
}
- read:
-
-#if RL_READLINE_VERSION >= 0x0600
- if (syntax)
- rl_redisplay_function = CYDisplayUpdate;
+ if (bypass)
+ rl_bind_key('\r', &rl_newline);
else
- rl_redisplay_function = rl_redisplay;
-#endif
+ rl_bind_key('\r', &CYConsoleKeyReturn);
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;
- } else if (data == "syntax") {
- syntax = !syntax;
- *out_ << "syntax == " << (syntax ? "true" : "false") << std::endl;
- }
- command_ = line;
- history += command_;
- goto restart;
- }
}
- command_ += line;
-
- char *begin(line), *end(line + strlen(line));
- while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
- *nl = '\0';
- lines.push_back(begin);
- begin = nl + 1;
- }
+ std::string command(line);
+ free(line);
+ _assert(!command.empty());
+ _assert(command[command.size() - 1] == '\n');
+ command.resize(command.size() - 1);
+ if (command.empty())
+ continue;
- lines.push_back(begin);
+ if (command[0] == '?') {
+ std::string data(command.substr(1));
+ if (data == "bypass") {
+ bypass = !bypass;
+ *out_ << "bypass == " << (bypass ? "true" : "false") << std::endl;
+ } else if (data == "debug") {
+ debug = !debug;
+ *out_ << "debug == " << (debug ? "true" : "false") << std::endl;
+ } else if (data == "destroy") {
+ CYDestroyContext();
+ } else if (data == "gc") {
+ *out_ << "collecting... " << std::flush;
+ CYGarbageCollect(CYGetJSContext());
+ *out_ << "done." << std::endl;
+ } else if (data == "exit") {
+ return;
+ } else if (data == "expand") {
+ expand = !expand;
+ *out_ << "expand == " << (expand ? "true" : "false") << std::endl;
+ } else if (data == "lower") {
+ lower = !lower;
+ *out_ << "lower == " << (lower ? "true" : "false") << std::endl;
+ }
- free(line);
+ history += command;
+ continue;
+ }
std::string code;
-
if (bypass)
- code = command_;
+ code = command;
else {
- CYLocalPool pool;
-
- std::istringstream stream(command_);
- CYDriver driver(stream);
+ std::istringstream 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) {
CYPosition begin(error->location_.begin);
- if (begin.line != lines.size() || begin.column < lines.back().size() || 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;
-
- history += command_;
- goto restart;
- }
+ std::cerr << lines2[begin.line - 1] << std::endl;
+ }*/
+
+ std::cerr << "....";
+ for (size_t i(0); i != begin.column; ++i)
+ std::cerr << '.';
+ if (begin.line != end.line || begin.column == end.column)
+ std::cerr << '^';
+ else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
+ std::cerr << '^';
+ std::cerr << std::endl;
+
+ std::cerr << " | ";
+ std::cerr << error->message_ << std::endl;
+
+ history += command;
+ break;
}
- driver.errors_.clear();
-
- command_ += '\n';
- prompt = "cy> ";
- goto read;
+ continue;
}
- if (driver.program_ == NULL)
- goto restart;
+ if (driver.script_ == NULL)
+ continue;
- std::ostringstream str;
+ std::stringbuf str;
CYOutput out(str, options);
Setup(out, driver, options, lower);
- out << *driver.program_;
+ out << *driver.script_;
code = str.str();
}
- history += command_;
+ history += command;
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;
}
- Run(client_, syntax, code, out_, expand);
+ CYPool pool;
+ Output(Run(pool, client_, code), &std::cout, 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));
if (false);
else if (strcmp(optarg, "rename") == 0)
options.verbose_ = true;
-#if YYDEBUG
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;
// 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];
_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
if (script == NULL && tty)
Console(options);
else {
- CYLocalPool pool;
-
std::istream *stream;
if (script == NULL) {
stream = &std::cin;
_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, 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, 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;
- } else if (driver.program_ != NULL) {
- std::ostringstream str;
+ } else if (driver.script_ != NULL) {
+ std::stringbuf str;
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;
- 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;
+ }
+ }
}
}
projects / cycript.git / blobdiff