X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/c41590b2ad915045995ae5d39b91bc493c4e11d8..e5f0ecf9a3636607cdb52e4a868b0261cf1b66f3:/Console.cpp diff --git a/Console.cpp b/Console.cpp index 930394b..fe03c31 100644 --- a/Console.cpp +++ b/Console.cpp @@ -1,40 +1,22 @@ -/* Cycript - Inlining/Optimizing JavaScript Compiler - * Copyright (C) 2009 Jay Freeman (saurik) +/* Cycript - Optimizing JavaScript Compiler/Runtime + * Copyright (C) 2009-2013 Jay Freeman (saurik) */ -/* Modified BSD License {{{ */ +/* GNU General Public License, Version 3 {{{ */ /* - * Redistribution and use in source and binary - * forms, with or without modification, are permitted - * provided that the following conditions are met: + * 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. * - * 1. Redistributions of source code must retain the - * above copyright notice, this list of conditions - * and the following disclaimer. - * 2. Redistributions in binary form must reproduce the - * above copyright notice, this list of conditions - * and the following disclaimer in the documentation - * and/or other materials provided with the - * distribution. - * 3. The name of the author may not be used to endorse - * or promote products derived from this software - * without specific prior written permission. + * 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 General Public License for more details. * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ + * You should have received a copy of the GNU General Public License + * along with Cycript. If not, see . +**/ /* }}} */ #include "cycript.hpp" @@ -65,11 +47,11 @@ #include #include +#include #include #include #include - -#include "Cycript.tab.hh" +#include #include #include @@ -78,11 +60,17 @@ #include #include +#include +#include #include +#include "Display.hpp" #include "Replace.hpp" +#include "Cycript.tab.hh" +#include "Driver.hpp" + static volatile enum { Working, Parsing, @@ -125,31 +113,34 @@ void Setup(CYDriver &driver, cy::parser &parser) { void Setup(CYOutput &out, CYDriver &driver, CYOptions &options) { out.pretty_ = pretty_; - CYContext context(driver.pool_, options); + CYContext context(options); driver.program_->Replace(context); } static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) { const char *json; - size_t size; + uint32_t size; if (client == -1) { mode_ = Running; #ifdef CY_EXECUTE - json = CYExecute(pool, code.data); + json = CYExecute(pool, code); #else json = NULL; #endif mode_ = Working; - if (json != NULL) + if (json == NULL) + size = 0; + else size = strlen(json); } else { mode_ = Sending; + size = code.size; CYSendAll(client, &size, sizeof(size)); - CYSendAll(client, code.data, size); + CYSendAll(client, code.data, code.size); mode_ = Waiting; CYRecvAll(client, &size, sizeof(size)); - if (size == _not(size_t)) + if (size == _not(uint32_t)) json = NULL; else { char *temp(new(pool) char[size + 1]); @@ -167,65 +158,80 @@ static CYUTF8String Run(CYPool &pool, int client, const std::string &code) { return Run(pool, client, CYUTF8String(code.c_str(), code.size())); } -void Run(int client, const char *data, size_t size, FILE *fout = NULL, bool expand = false) { - CYPool pool; - CYUTF8String json(Run(pool, client, CYUTF8String(data, size))); - - data = json.data; - size = json.size; - - if (data != NULL && fout != NULL) { - if (!expand || data[0] != '"' && data[0] != '\'') - fputs(data, fout); - else for (size_t i(0); i != size; ++i) - if (data[i] != '\\') - fputc(data[i], fout); - else switch(data[++i]) { - case '\0': goto done; - case '\\': fputc('\\', fout); break; - case '\'': fputc('\'', fout); break; - case '"': fputc('"', fout); break; - case 'b': fputc('\b', fout); break; - case 'f': fputc('\f', fout); break; - case 'n': fputc('\n', fout); break; - case 'r': fputc('\r', fout); break; - case 't': fputc('\t', fout); break; - case 'v': fputc('\v', fout); break; - default: fputc('\\', fout); --i; break; - } +static std::ostream *out_; - done: - fputs("\n", fout); - fflush(fout); - } +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 Run(int client, std::string &code, FILE *fout = NULL, bool expand = false) { - Run(client, code.c_str(), code.size(), fout, expand); +static void Output(bool syntax, CYUTF8String json, std::ostream *out, bool expand = false) { + const char *data(json.data); + size_t size(json.size); + + if (data == NULL || out == NULL) + return; + + if (!expand || + data[0] != '@' && data[0] != '"' && data[0] != '\'' || + data[0] == '@' && data[1] != '"' && data[1] != '\'' + ) + Write(syntax, data, size, *out); + 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: + *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(CYPool &pool, CYUTF8String code) { - std::ostringstream str; - str << '(' << code << ')'; - std::string string(str.str()); - - CYDriver driver(pool); - driver.data_ = string.c_str(); - driver.size_ = string.size(); +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()) - _assert(false); + return NULL; - CYExpress *express(dynamic_cast(driver.program_->statements_)); - _assert(express != NULL); - return express->expression_; + 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); + + return NULL; } static int client_; @@ -233,20 +239,17 @@ static int client_; static char **Complete(const char *word, int start, int end) { rl_attempted_completion_over = TRUE; - CYPool pool; - - CYDriver driver(pool); - cy::parser parser(driver); - Setup(driver, parser); + CYLocalPool pool; std::string line(rl_line_buffer, start); - std::string command(command_ + line); - - driver.data_ = command.c_str(); - driver.size_ = command.size(); + 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; @@ -256,7 +259,7 @@ static char **Complete(const char *word, int start, int end) { CYExpression *expression; CYOptions options; - CYContext context(driver.pool_, options); + CYContext context(options); std::ostringstream prefix; @@ -275,7 +278,7 @@ static char **Complete(const char *word, int start, int end) { case CYDriver::AutoMessage: { CYDriver::Context &thing(driver.contexts_.back()); - expression = $M($M($ CYIndirect(thing.context_), $S("isa")), $S("messages")); + 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; @@ -284,18 +287,20 @@ static char **Complete(const char *word, int start, int end) { _assert(false); } - std::string begin(prefix.str() + word); + std::string begin(prefix.str()); - driver.program_ = $ CYProgram($ CYExpress($C2(ParseExpression(pool, - " function(object, prefix) {\n" + driver.program_ = $ CYProgram($ CYExpress($C3(ParseExpression( + " function(object, prefix, word) {\n" " var names = [];\n" - " var pattern = '^' + prefix;\n" + " var before = prefix.length;\n" + " prefix += word;\n" + " var entire = prefix.length;\n" " for (name in object)\n" - " if (name.match(pattern) != null)\n" - " names.push(name);\n" + " if (name.substring(0, entire) == prefix)\n" + " names.push(name.substr(before));\n" " return names;\n" " }\n" - ), expression, $S(begin.c_str())))); + ), expression, $S(begin.c_str()), $S(word)))); driver.program_->Replace(context); @@ -305,10 +310,20 @@ static char **Complete(const char *word, int start, int end) { std::string code(str.str()); CYUTF8String json(Run(pool, client_, code)); + // XXX: if this fails we should not try to parse it + + CYExpression *result(ParseExpression(json)); + if (result == NULL) + return NULL; - CYExpression *result(ParseExpression(pool, json)); CYArray *array(dynamic_cast(result)); - _assert(array != NULL); + + if (array == NULL) { + *out_ << '\n'; + Output(false, json, out_); + rl_forced_update_display(); + return NULL; + } // XXX: use an std::set? typedef std::vector Completions; @@ -317,11 +332,18 @@ static char **Complete(const char *word, int start, int end) { std::string common; bool rest(false); - for (CYElement *element(array->elements_); element != NULL; element = element->next_) { + CYForEach (element, array->elements_) { CYString *string(dynamic_cast(element->value_)); _assert(string != NULL); - std::string completion(string->value_, string->size_); + std::string completion; + if (string->size_ != 0) + completion.assign(string->value_, string->size_); + else if (driver.mode_ == CYDriver::AutoMessage) + completion = "]"; + else + continue; + completions.push_back(completion); if (!rest) { @@ -345,15 +367,11 @@ static char **Complete(const char *word, int start, int end) { if (count == 0) return NULL; - if (!common.empty()) { - size_t size(prefix.str().size()); - _assert(common.size() >= size); - common = common.substr(size); - } - size_t colon(common.find(':')); if (colon != std::string::npos) common = common.substr(0, colon + 1); + if (completions.size() == 1) + common += ' '; char **results(reinterpret_cast(malloc(sizeof(char *) * (count + 2)))); @@ -368,17 +386,19 @@ static char **Complete(const char *word, int start, int end) { // need char *, not const char * static char name_[] = "cycript"; -static char break_[] = " \t\n\"\\'`@$><=;|&{(" ".:"; +static char break_[] = " \t\n\"\\'`@$><=;|&{(" ")}" ".:[]"; + +static void Console(CYOptions &options) { + CYPool pool; -static void Console(apr_pool_t *pool, CYOptions &options) { passwd *passwd; if (const char *username = getenv("LOGNAME")) passwd = getpwnam(username); else passwd = getpwuid(getuid()); - const char *basedir(apr_psprintf(pool, "%s/.cycript", passwd->pw_dir)); - const char *histfile(apr_psprintf(pool, "%s/history", basedir)); + const char *basedir(pool.strcat(passwd->pw_dir, "/.cycript", NULL)); + const char *histfile(pool.strcat(basedir, "/history", NULL)); size_t histlines(0); rl_initialize(); @@ -390,11 +410,14 @@ static void Console(apr_pool_t *pool, CYOptions &options) { bool bypass(false); bool debug(false); bool expand(false); + bool syntax(true); - FILE *fout(stdout); + 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); @@ -413,15 +436,28 @@ static void Console(apr_pool_t *pool, CYOptions &options) { if (setjmp(ctrlc_) != 0) { mode_ = Working; - fputs("\n", fout); - fflush(fout); + *out_ << std::endl; goto restart; } read: + +#if RL_READLINE_VERSION >= 0x0600 + if (syntax) { + rl_prep_term_function = CYDisplayStart; + rl_redisplay_function = CYDisplayUpdate; + rl_deprep_term_function = CYDisplayFinish; + } else { + rl_prep_term_function = rl_prep_terminal; + rl_redisplay_function = rl_redisplay; + rl_deprep_term_function = rl_deprep_terminal; + } +#endif + mode_ = Parsing; char *line(readline(prompt)); mode_ = Working; + if (line == NULL) break; if (line[0] == '\0') @@ -433,16 +469,16 @@ static void Console(apr_pool_t *pool, CYOptions &options) { std::string data(line + 1); if (data == "bypass") { bypass = !bypass; - fprintf(fout, "bypass == %s\n", bypass ? "true" : "false"); - fflush(fout); + *out_ << "bypass == " << (bypass ? "true" : "false") << std::endl; } else if (data == "debug") { debug = !debug; - fprintf(fout, "debug == %s\n", debug ? "true" : "false"); - fflush(fout); + *out_ << "debug == " << (debug ? "true" : "false") << std::endl; } else if (data == "expand") { expand = !expand; - fprintf(fout, "expand == %s\n", expand ? "true" : "false"); - fflush(fout); + *out_ << "expand == " << (expand ? "true" : "false") << std::endl; + } else if (data == "syntax") { + syntax = !syntax; + *out_ << "syntax == " << (syntax ? "true" : "false") << std::endl; } add_history(line); ++histlines; @@ -468,17 +504,18 @@ static void Console(apr_pool_t *pool, CYOptions &options) { if (bypass) code = command_; else { - CYDriver driver; + CYLocalPool pool; + + std::istringstream stream(command_); + CYDriver driver(stream); + cy::parser parser(driver); Setup(driver, parser); - driver.data_ = command_.c_str(); - driver.size_ = command_.size(); - if (parser.parse() != 0 || !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 - 1 != lines.back().size() || error->warning_) { + if (begin.line != lines.size() || begin.column < lines.back().size() || error->warning_) { cy::position end(error->location_.end); if (begin.line != lines.size()) { @@ -487,7 +524,7 @@ static void Console(apr_pool_t *pool, CYOptions &options) { } std::cerr << "...."; - for (size_t i(0); i != begin.column - 1; ++i) + for (size_t i(0); i != begin.column; ++i) std::cerr << '.'; if (begin.line != end.line || begin.column == end.column) std::cerr << '^'; @@ -528,10 +565,12 @@ static void Console(apr_pool_t *pool, CYOptions &options) { add_history(command_.c_str()); ++histlines; - if (debug) - std::cout << code << std::endl; + if (debug) { + Write(syntax, code.c_str(), code.size(), std::cout); + std::cout << std::endl; + } - Run(client_, code, fout, expand); + Run(client_, syntax, code, out_, expand); } if (append_history$ != NULL) { @@ -541,8 +580,7 @@ static void Console(apr_pool_t *pool, CYOptions &options) { write_history(histfile); } - fputs("\n", fout); - fflush(fout); + *out_ << std::endl; } static void *Map(const char *path, size_t *psize) { @@ -565,17 +603,24 @@ static void *Map(const char *path, size_t *psize) { 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); + bool tty(isatty(STDIN_FILENO)); bool compile(false); CYOptions options; - append_history$ = reinterpret_cast(dlsym(RTLD_DEFAULT, "append_history")); + append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history")); #ifdef CY_ATTACH pid_t pid(_not(pid_t)); #endif - CYPool pool; + const char *host(NULL); + const char *port(NULL); + apr_getopt_t *state; _aprcall(apr_getopt_init(&state, pool, argc, argv)); @@ -588,6 +633,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { #ifdef CY_ATTACH "p:" #endif + "r:" "s" , &opt, &arg)); @@ -601,6 +647,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { #ifdef CY_ATTACH " [-p ]" #endif + " [-r ]" " [