X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/b12a99658d0a609d28ff522b82be8826928107cf..824bc1ec28c62ea1d63622c46e1edfd911c38b64:/Library.cpp diff --git a/Library.cpp b/Library.cpp index 1f61c0e..726f557 100644 --- a/Library.cpp +++ b/Library.cpp @@ -1,55 +1,49 @@ /* 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 . **/ /* }}} */ -#include - #include "cycript.hpp" -#include "Pooling.hpp" - -#include - #include #include #include -#include #include -#include -#include "Error.hpp" -#include "Execute.hpp" -#include "JavaScript.hpp" -#include "Parser.hpp" -#include "String.hpp" +#include -#include "Cycript.tab.hh" -#include "Driver.hpp" +#include +#include "Code.hpp" #include "ConvertUTF.h" +#include "Driver.hpp" +#include "Error.hpp" +#include "Execute.hpp" +#include "Pooling.hpp" +#include "String.hpp" +#include "Syntax.hpp" /* C Strings {{{ */ CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF16String utf16) { // XXX: this is wrong size_t size(utf16.size * 5); - char *temp(new(pool) char[size]); + char *temp(new(pool) char[size + 1]); const uint16_t *lhs(utf16.data); uint8_t *rhs(reinterpret_cast(temp)); @@ -62,7 +56,7 @@ CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF16String utf16) { CYUTF16String CYPoolUTF16String(CYPool &pool, CYUTF8String utf8) { // XXX: this is wrong size_t size(utf8.size * 5); - uint16_t *temp(new (pool) uint16_t[size]); + uint16_t *temp(new (pool) uint16_t[size + 1]); const uint8_t *lhs(reinterpret_cast(utf8.data)); uint16_t *rhs(temp); @@ -104,58 +98,6 @@ bool CYGetOffset(const char *value, ssize_t &index) { return false; } /* }}} */ -/* JavaScript *ify {{{ */ -void CYStringify(std::ostringstream &str, const char *data, size_t size) { - unsigned quot(0), apos(0); - for (const char *value(data), *end(data + size); value != end; ++value) - if (*value == '"') - ++quot; - else if (*value == '\'') - ++apos; - - bool single(quot > apos); - - str << (single ? '\'' : '"'); - - for (const char *value(data), *end(data + size); value != end; ++value) - switch (*value) { - case '\\': str << "\\\\"; break; - case '\b': str << "\\b"; break; - case '\f': str << "\\f"; break; - case '\n': str << "\\n"; break; - case '\r': str << "\\r"; break; - case '\t': str << "\\t"; break; - case '\v': str << "\\v"; break; - - case '"': - if (!single) - str << "\\\""; - else goto simple; - break; - - case '\'': - if (single) - str << "\\'"; - else goto simple; - break; - - default: - // this test is designed to be "awesome", generating neither warnings nor incorrect results - if (*value < 0x20 || *value >= 0x7f) - str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(uint8_t(*value)); - else simple: - str << *value; - } - - str << (single ? '\'' : '"'); -} - -void CYNumerify(std::ostringstream &str, double value) { - char string[32]; - // XXX: I want this to print 1e3 rather than 1000 - sprintf(string, "%.17g", value); - str << string; -} bool CYIsKey(CYUTF8String value) { const char *data(value.data); @@ -178,101 +120,37 @@ bool CYIsKey(CYUTF8String value) { return true; } -/* }}} */ - -double CYCastDouble(const char *value, size_t size) { - char *end; - double number(strtod(value, &end)); - if (end != value + size) - return NAN; - return number; -} - -double CYCastDouble(const char *value) { - return CYCastDouble(value, strlen(value)); -} -size_t CYArrayLength(JSContextRef context, JSObjectRef array) { - return CYCastDouble(context, CYGetProperty(context, array, length_s)); +_visible bool CYStartsWith(const CYUTF8String &haystack, const CYUTF8String &needle) { + return haystack.size >= needle.size && strncmp(haystack.data, needle.data, needle.size) == 0; } -JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) { - JSValueRef exception(NULL); - JSValueRef value(JSObjectGetPropertyAtIndex(context, array, index, &exception)); - CYThrow(context, exception); - return value; -} - -void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) { - JSValueRef exception(NULL); - JSValueRef arguments[1]; - arguments[0] = value; - JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype"))); - JSObjectCallAsFunction(context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, 1, arguments, &exception); - CYThrow(context, exception); -} - -extern "C" void CydgetMemoryParse(const uint16_t **data, size_t *size) { +CYUTF8String CYPoolCode(CYPool &pool, std::streambuf &stream) { CYLocalPool local; + CYDriver driver(local, stream); - CYUTF8String utf8(CYPoolUTF8String(local, CYUTF16String(*data, *size))); - CYStream stream(utf8.data, utf8.data + utf8.size); - CYDriver driver(stream); - - cy::parser parser(driver); - if (parser.parse() != 0 || !driver.errors_.empty()) - return; + if (driver.Parse()) { + if (!driver.errors_.empty()) + CYThrow("%s", driver.errors_.front().message_.c_str()); + CYThrow("syntax error"); + } CYOptions options; CYContext context(options); - driver.program_->Replace(context); - std::ostringstream str; - CYOutput out(str, options); - out << *driver.program_; - std::string code(str.str()); + driver.script_->Replace(context); - CYPool pool; - CYUTF16String utf16(CYPoolUTF16String(pool, CYUTF8String(code.c_str(), code.size()))); - - size_t bytes(utf16.size * sizeof(uint16_t)); - uint16_t *copy(reinterpret_cast(malloc(bytes))); - memcpy(copy, utf16.data, bytes); + std::stringbuf str; + CYOutput out(str, options); + out << *driver.script_; + return pool.strdup(str.str().c_str()); +} - *data = copy; - *size = utf16.size; +CYUTF8String CYPoolCode(CYPool &pool, CYUTF8String code) { + CYStream stream(code.data, code.data + code.size); + return CYPoolCode(pool, stream); } CYPool &CYGetGlobalPool() { static CYPool pool; return pool; } - -void CYThrow(const char *format, ...) { - va_list args; - va_start(args, format); - throw CYPoolError(format, args); - // XXX: does this matter? :( - va_end(args); -} - -const char *CYPoolError::PoolCString(CYPool &pool) const { - return pool.strdup(message_); -} - -CYPoolError::CYPoolError(const CYPoolError &rhs) : - message_(pool_.strdup(rhs.message_)) -{ -} - -CYPoolError::CYPoolError(const char *format, ...) { - va_list args; - va_start(args, format); - // XXX: there might be a beter way to think about this - message_ = pool_.vsprintf(64, format, args); - va_end(args); -} - -CYPoolError::CYPoolError(const char *format, va_list args) { - // XXX: there might be a beter way to think about this - message_ = pool_.vsprintf(64, format, args); -}