X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/a1f3555e04644c0445200cff08b0470f614de48b..c8a2a786eb3f1cda8780b348f27e2c8240621045:/Console.cpp diff --git a/Console.cpp b/Console.cpp index 6b3bc75..57f4375 100644 --- a/Console.cpp +++ b/Console.cpp @@ -1,21 +1,21 @@ /* Cycript - Optimizing JavaScript Compiler/Runtime - * Copyright (C) 2009-2013 Jay Freeman (saurik) + * Copyright (C) 2009-2015 Jay Freeman (saurik) */ -/* GNU 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 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 + * 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Cycript. If not, see . + * 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 . **/ /* }}} */ @@ -26,6 +26,7 @@ #endif #include +#include #include #include @@ -42,9 +43,9 @@ #include #endif -#include - #include +#include +#include #include #include @@ -59,17 +60,16 @@ #include #include -#include -#include -#include - #include -#include "Display.hpp" -#include "Replace.hpp" +#ifdef __APPLE__ +#include +#endif -#include "Cycript.tab.hh" +#include "Display.hpp" #include "Driver.hpp" +#include "Highlight.hpp" +#include "Parser.hpp" static volatile enum { Working, @@ -88,7 +88,8 @@ static void sigint(int) { case Parsing: longjmp(ctrlc_, 1); case Running: - throw "*** Ctrl-C"; + CYCancel(); + return; case Sending: return; case Waiting: @@ -96,25 +97,22 @@ static void sigint(int) { } } -#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) { @@ -124,7 +122,7 @@ static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) { if (client == -1) { mode_ = Running; #ifdef CY_EXECUTE - json = CYExecute(pool, code); + json = CYExecute(CYGetJSContext(), pool, code); #else json = NULL; #endif @@ -213,203 +211,76 @@ 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); - - // XXX: this could be replaced with a CYStatement::Primitive() - if (CYExpress *express = dynamic_cast(driver.program_->statements_)) - return express->expression_->Primitive(context); +static int client_; - return NULL; +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 = TRUE; - - CYLocalPool pool; - + rl_attempted_completion_over = ~0; 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); - } + return CYComplete(word, command_ + line, &Run); +} - 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()), $S(word)))); - - driver.program_->Replace(context); - - std::ostringstream str; - CYOutput out(str, options); - out << *driver.program_; - - std::string code(str.str()); - CYUTF8String json(Run(pool, client_, code)); - // XXX: if this fails we should not try to parse it - - CYExpression *result(ParseExpression(json)); - if (result == NULL) - return NULL; - - CYArray *array(dynamic_cast(result)); - - if (array == NULL) { - *out_ << '\n'; - Output(false, json, out_); - rl_forced_update_display(); - return NULL; +// need char *, not const char * +static char name_[] = "cycript"; +static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]"; + +class History { + private: + std::string histfile_; + size_t histlines_; + + public: + History(std::string histfile) : + histfile_(histfile), + histlines_(0) + { + read_history(histfile_.c_str()); } - // XXX: use an std::set? - typedef std::vector Completions; - Completions completions; - - std::string common; - bool rest(false); - - CYForEach (element, array->elements_) { - CYString *string(dynamic_cast(element->value_)); - _assert(string != NULL); - - std::string completion; - if (string->size_ != 0) - completion.assign(string->value_, string->size_); - else if (driver.mode_ == CYDriver::AutoMessage) - completion = "]"; - else - continue; - - completions.push_back(completion); - - if (!rest) { - common = completion; - rest = true; + ~History() { + if (append_history$ != NULL) { + int fd(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600))); + _syscall(close(fd)); + _assert((*append_history$)(histlines_, histfile_.c_str()) == 0); } else { - size_t limit(completion.size()), size(common.size()); - if (size > limit) - common = common.substr(0, limit); - else - limit = size; - for (limit = 0; limit != size; ++limit) - if (common[limit] != completion[limit]) - break; - if (limit != size) - common = common.substr(0, limit); + _assert(write_history(histfile_.c_str()) == 0); } } - size_t count(completions.size()); - if (count == 0) - return NULL; - - size_t colon(common.find(':')); - if (colon != std::string::npos) - common = common.substr(0, colon + 1); - if (completions.size() == 1) - common += ' '; - - char **results(reinterpret_cast(malloc(sizeof(char *) * (count + 2)))); - - results[0] = strdup(common.c_str()); - size_t index(0); - for (Completions::const_iterator i(completions.begin()); i != completions.end(); ++i) - results[++index] = strdup(i->c_str()); - results[count + 1] = NULL; - - return results; -} - -// need char *, not const char * -static char name_[] = "cycript"; -static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]"; + void operator +=(const std::string &command) { + add_history(command.c_str()); + ++histlines_; + } +}; static void Console(CYOptions &options) { - CYPool pool; - - passwd *passwd; - if (const char *username = getenv("LOGNAME")) - passwd = getpwnam(username); - else - passwd = getpwuid(getuid()); + std::string basedir; + if (const char *home = getenv("HOME")) + basedir = home; + else { + passwd *passwd; + if (const char *username = getenv("LOGNAME")) + passwd = getpwnam(username); + else + passwd = getpwuid(getuid()); + basedir = passwd->pw_dir; + } - const char *basedir(pool.strcat(passwd->pw_dir, "/.cycript", NULL)); - const char *histfile(pool.strcat(basedir, "/history", NULL)); - 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 syntax(true); out_ = &std::cout; @@ -443,24 +314,20 @@ static void Console(CYOptions &options) { read: #if RL_READLINE_VERSION >= 0x0600 - if (syntax) { - rl_prep_term_function = CYDisplayStart; + if (syntax) rl_redisplay_function = CYDisplayUpdate; - rl_deprep_term_function = CYDisplayFinish; - } else { - rl_prep_term_function = rl_prep_terminal; + else rl_redisplay_function = rl_redisplay; - rl_deprep_term_function = rl_deprep_terminal; - } #endif mode_ = Parsing; char *line(readline(prompt)); mode_ = Working; - if (line == NULL) + if (line == NULL) { + *out_ << std::endl; break; - if (line[0] == '\0') + } else if (line[0] == '\0') goto read; if (!extra) { @@ -473,20 +340,32 @@ static void Console(CYOptions &options) { } 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; } - add_history(line); - ++histlines; + command_ = line; + history += command_; goto restart; } } command_ += line; + command_ += "\n"; char *begin(line), *end(line + strlen(line)); while (char *nl = reinterpret_cast(memchr(begin, '\n', end - begin))) { @@ -504,19 +383,19 @@ static void Console(CYOptions &options) { if (bypass) code = command_; else { - CYLocalPool pool; - std::istringstream stream(command_); - CYDriver driver(stream); - cy::parser parser(driver); - Setup(driver, parser); + CYPool pool; + CYDriver driver(pool, stream); + Setup(driver); + + bool failed(driver.Parse()); - if (parser.parse() != 0 || !driver.errors_.empty()) { + if (failed || !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); + if (begin.line != lines.size() + 1 || error->warning_) { + CYPosition end(error->location_.end); if (begin.line != lines.size()) { std::cerr << " | "; @@ -535,81 +414,55 @@ static void Console(CYOptions &options) { std::cerr << " | "; std::cerr << error->message_ << std::endl; - add_history(command_.c_str()); - ++histlines; + history += command_.substr(0, command_.size() - 1); goto restart; } } driver.errors_.clear(); - command_ += '\n'; prompt = "cy> "; goto read; } - if (driver.program_ == NULL) + if (driver.script_ == 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(); - } + std::stringbuf str; + CYOutput out(str, options); + Setup(out, driver, options, lower); + out << *driver.script_; + code = str.str(); } - add_history(command_.c_str()); - ++histlines; + history += command_.substr(0, command_.size() - 1); if (debug) { + std::cout << "cy= "; Write(syntax, code.c_str(), code.size(), std::cout); std::cout << std::endl; } Run(client_, syntax, code, out_, expand); } - - if (append_history$ != NULL) { - _syscall(close(_syscall(open(histfile, O_CREAT | O_WRONLY, 0600)))); - (*append_history$)(histlines, histfile); - } else { - write_history(histfile); - } - - *out_ << std::endl; } -static void *Map(const char *path, size_t *psize) { - int fd; - _syscall(fd = open(path, O_RDONLY)); - - struct stat stat; - _syscall(fstat(fd, &stat)); - size_t size(stat.st_size); +void InjectLibrary(pid_t, int, const char *const []); - *psize = size; - - void *base; - _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0)); - - _syscall(close(fd)); - return base; +static uint64_t CYGetTime() { +#ifdef __APPLE__ + return mach_absolute_time(); +#else + struct timespec spec; + clock_gettime(CLOCK_MONOTONIC, &spec); + return spec.tv_sec * UINT64_C(1000000000) + spec.tv_nsec; +#endif } -void InjectLibrary(pid_t pid); - -int Main(int argc, char const * const argv[], char const * const envp[]) { - _aprcall(apr_initialize()); - - apr_pool_t *pool; - apr_pool_create(&pool, NULL); - +int Main(int argc, char * const argv[], char const * const envp[]) { bool tty(isatty(STDIN_FILENO)); bool compile(false); + bool target(false); CYOptions options; append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history")); @@ -621,27 +474,35 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { const char *host(NULL); const char *port(NULL); - apr_getopt_t *state; - _aprcall(apr_getopt_init(&state, pool, argc, argv)); + optind = 1; for (;;) { - char opt; - const char *arg; - - apr_status_t status(apr_getopt(state, - "cg:n:" + int option(getopt_long(argc, argv, + "c" + "g:" + "n:" #ifdef CY_ATTACH "p:" #endif "r:" "s" - , &opt, &arg)); + , (const struct option[]) { + {NULL, no_argument, NULL, 'c'}, + {NULL, required_argument, NULL, 'g'}, + {NULL, required_argument, NULL, 'n'}, +#ifdef CY_ATTACH + {NULL, required_argument, NULL, 'p'}, +#endif + {NULL, required_argument, NULL, 'r'}, + {NULL, no_argument, NULL, 's'}, + {0, 0, 0, 0}}, NULL)); - switch (status) { - case APR_EOF: + switch (option) { + case -1: goto getopt; - case APR_BADCH: - case APR_BADARG: + + case ':': + case '?': fprintf(stderr, "usage: cycript [-c]" #ifdef CY_ATTACH @@ -651,23 +512,32 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { " [