X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7e5391fd937dd287b3aef363e641f2d3abc5f422..c8a0500b2fc78101e1a7f3b2c99939f88a33aa4d:/Console.cpp diff --git a/Console.cpp b/Console.cpp index 4a27c64..c6e13cb 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) 2009-2010 Jay Freeman (saurik) */ -/* Modified BSD License {{{ */ +/* GNU Lesser 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 Lesser 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 Lesser 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 Lesser General Public License + * along with Cycript. If not, see . +**/ /* }}} */ #include "cycript.hpp" @@ -125,7 +107,7 @@ 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); } @@ -136,17 +118,20 @@ static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) { 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)) @@ -167,37 +152,42 @@ 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; - } +FILE *fout_; + +static void Output(CYUTF8String json, FILE *fout, bool expand = false) { + const char *data(json.data); + size_t size(json.size); + + if (data == NULL || fout == NULL) + return; + + 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; + } - done: - fputs("\n", fout); - fflush(fout); - } + done: + fputs("\n", fout); + fflush(fout); +} + +static void Run(int client, const char *data, size_t size, FILE *fout = NULL, bool expand = false) { + CYPool pool; + Output(Run(pool, client, CYUTF8String(data, size)), fout, expand); } static void Run(int client, std::string &code, FILE *fout = NULL, bool expand = false) { @@ -208,12 +198,12 @@ int (*append_history$)(int, const char *); static std::string command_; -static CYExpression *ParseExpression(CYPool &pool, CYUTF8String code) { +static CYExpression *ParseExpression(CYUTF8String code) { std::ostringstream str; str << '(' << code << ')'; std::string string(str.str()); - CYDriver driver(pool); + CYDriver driver; driver.data_ = string.c_str(); driver.size_ = string.size(); @@ -221,7 +211,7 @@ static CYExpression *ParseExpression(CYPool &pool, CYUTF8String code) { Setup(driver, parser); if (parser.parse() != 0 || !driver.errors_.empty()) - _assert(false); + return NULL; CYExpress *express(dynamic_cast(driver.program_->statements_)); _assert(express != NULL); @@ -233,9 +223,8 @@ static int client_; static char **Complete(const char *word, int start, int end) { rl_attempted_completion_over = TRUE; - CYPool pool; - - CYDriver driver(pool); + CYLocalPool pool; + CYDriver driver; cy::parser parser(driver); Setup(driver, parser); @@ -256,7 +245,7 @@ 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 +264,7 @@ 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 +273,19 @@ 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 pattern = '^' + prefix + word;\n" + " var length = prefix.length;\n" " for (name in object)\n" " if (name.match(pattern) != null)\n" - " names.push(name);\n" + " names.push(name.substr(length));\n" " return names;\n" " }\n" - ), expression, $S(begin.c_str())))); + ), expression, $S(begin.c_str()), $S(word)))); driver.program_->Replace(context); @@ -306,9 +296,18 @@ static char **Complete(const char *word, int start, int end) { std::string code(str.str()); CYUTF8String json(Run(pool, client_, code)); - CYExpression *result(ParseExpression(pool, json)); + CYExpression *result(ParseExpression(json)); + if (result == NULL) + return NULL; + CYArray *array(dynamic_cast(result)); - _assert(array != NULL); + + if (array == NULL) { + fprintf(fout_, "\n"); + Output(json, fout_); + rl_forced_update_display(); + return NULL; + } // XXX: use an std::set? typedef std::vector Completions; @@ -317,11 +316,18 @@ static char **Complete(const char *word, int start, int end) { std::string common; bool rest(false); - for (CYElement *element(array->elements_); element != NULL; element = element->next_) { + CYForEach (element, array->elements_) { CYString *string(dynamic_cast(element->value_)); _assert(string != NULL); - std::string completion(string->value_, string->size_); + std::string completion; + if (string->size_ != 0) + completion.assign(string->value_, string->size_); + else if (driver.mode_ == CYDriver::AutoMessage) + completion = "]"; + else + continue; + completions.push_back(completion); if (!rest) { @@ -345,11 +351,11 @@ static char **Complete(const char *word, int start, int end) { if (count == 0) return NULL; - if (!common.empty()) { - size_t size(prefix.str().size()); - _assert(common.size() >= size); - common = common.substr(size); - } + size_t colon(common.find(':')); + if (colon != std::string::npos) + common = common.substr(0, colon + 1); + if (completions.size() == 1) + common += ' '; char **results(reinterpret_cast(malloc(sizeof(char *) * (count + 2)))); @@ -364,9 +370,11 @@ static char **Complete(const char *word, int start, int end) { // need char *, not const char * static char name_[] = "cycript"; -static char break_[] = " \t\n\"\\'`@$><=;|&{(" ".:"; +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); @@ -387,10 +395,12 @@ static void Console(apr_pool_t *pool, CYOptions &options) { bool debug(false); bool expand(false); - FILE *fout(stdout); + fout_ = stdout; // 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); @@ -409,8 +419,8 @@ static void Console(apr_pool_t *pool, CYOptions &options) { if (setjmp(ctrlc_) != 0) { mode_ = Working; - fputs("\n", fout); - fflush(fout); + fputs("\n", fout_); + fflush(fout_); goto restart; } @@ -429,16 +439,16 @@ 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); + fprintf(fout_, "bypass == %s\n", bypass ? "true" : "false"); + fflush(fout_); } else if (data == "debug") { debug = !debug; - fprintf(fout, "debug == %s\n", debug ? "true" : "false"); - fflush(fout); + fprintf(fout_, "debug == %s\n", debug ? "true" : "false"); + fflush(fout_); } else if (data == "expand") { expand = !expand; - fprintf(fout, "expand == %s\n", expand ? "true" : "false"); - fflush(fout); + fprintf(fout_, "expand == %s\n", expand ? "true" : "false"); + fflush(fout_); } add_history(line); ++histlines; @@ -464,6 +474,7 @@ static void Console(apr_pool_t *pool, CYOptions &options) { if (bypass) code = command_; else { + CYLocalPool pool; CYDriver driver; cy::parser parser(driver); Setup(driver, parser); @@ -474,7 +485,7 @@ static void Console(apr_pool_t *pool, CYOptions &options) { 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()) { @@ -483,7 +494,7 @@ 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 << '^'; @@ -527,7 +538,7 @@ static void Console(apr_pool_t *pool, CYOptions &options) { if (debug) std::cout << code << std::endl; - Run(client_, code, fout, expand); + Run(client_, code, fout_, expand); } if (append_history$ != NULL) { @@ -537,8 +548,8 @@ static void Console(apr_pool_t *pool, CYOptions &options) { write_history(histfile); } - fputs("\n", fout); - fflush(fout); + fputs("\n", fout_); + fflush(fout_); } static void *Map(const char *path, size_t *psize) { @@ -565,7 +576,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { 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)); @@ -757,9 +768,10 @@ int Main(int argc, char const * const argv[], char const * const envp[]) { #endif if (script == NULL && tty) - Console(pool, options); + Console(options); else { - CYDriver driver(pool, script ?: ""); + CYLocalPool pool; + CYDriver driver(script ?: ""); cy::parser parser(driver); Setup(driver, parser);