X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/bc60fb46c3973f1c8d84994d9f98a6270f9ae803..972562bf68a236b4580b6074415cbf4e07b0a0c6:/Library.cpp diff --git a/Library.cpp b/Library.cpp index d9a7626..7203225 100644 --- a/Library.cpp +++ b/Library.cpp @@ -1,188 +1,75 @@ -/* Cycript - Inlining/Optimizing JavaScript Compiler - * Copyright (C) 2009 Jay Freeman (saurik) +/* Cycript - Optimizing JavaScript Compiler/Runtime + * Copyright (C) 2009-2015 Jay Freeman (saurik) */ -/* Modified BSD License {{{ */ +/* GNU Affero 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: - * - * 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. - * - * 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. -*/ + * 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 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 "Internal.hpp" - -#include -#include - #include "cycript.hpp" -#include "sig/parse.hpp" -#include "sig/ffi_type.hpp" - -#include "Pooling.hpp" - -#include - #include -#include #include #include #include #include #include -#include "Parser.hpp" -#include "Cycript.tab.hh" +#include +#include + +#include "ConvertUTF.h" +#include "Driver.hpp" #include "Error.hpp" -#include "JavaScript.hpp" +#include "Execute.hpp" +#include "Pooling.hpp" #include "String.hpp" +#include "Syntax.hpp" -#ifdef __OBJC__ -#define CYCatch_ \ - catch (NSException *error) { \ - CYThrow(context, error, exception); \ - return NULL; \ - } -#else -#define CYCatch_ -#endif - -char *sqlite3_column_pooled(apr_pool_t *pool, sqlite3_stmt *stmt, int n) { - if (const unsigned char *value = sqlite3_column_text(stmt, n)) - return apr_pstrdup(pool, (const char *) value); - else return NULL; -} - -struct CYHooks *hooks_; - -/* JavaScript Properties {{{ */ -JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) { - JSValueRef exception(NULL); - JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception)); - CYThrow(context, exception); - return value; -} - -JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) { - JSValueRef exception(NULL); - JSValueRef value(JSObjectGetProperty(context, object, name, &exception)); - CYThrow(context, exception); - return value; -} - -void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) { - JSValueRef exception(NULL); - JSObjectSetPropertyAtIndex(context, object, index, value, &exception); - CYThrow(context, exception); -} - -void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) { - JSValueRef exception(NULL); - JSObjectSetProperty(context, object, name, value, attributes, &exception); - CYThrow(context, exception); -} -/* }}} */ -/* JavaScript Strings {{{ */ -JSStringRef CYCopyJSString(const char *value) { - return value == NULL ? NULL : JSStringCreateWithUTF8CString(value); -} - -JSStringRef CYCopyJSString(JSStringRef value) { - return value == NULL ? NULL : JSStringRetain(value); -} +template <> +::pthread_key_t CYLocal::key_ = Key_(); -JSStringRef CYCopyJSString(CYUTF8String value) { - // XXX: this is very wrong - return CYCopyJSString(value.data); -} +/* C Strings {{{ */ +CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF16String utf16) { + // XXX: this is wrong + size_t size(utf16.size * 5); + char *temp(new(pool) char[size]); -JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) { - if (JSValueIsNull(context, value)) - return NULL; - JSValueRef exception(NULL); - JSStringRef string(JSValueToStringCopy(context, value, &exception)); - CYThrow(context, exception); - return string; -} + const uint16_t *lhs(utf16.data); + uint8_t *rhs(reinterpret_cast(temp)); + _assert(ConvertUTF16toUTF8(&lhs, lhs + utf16.size, &rhs, rhs + size, lenientConversion) == conversionOK); -static CYUTF16String CYCastUTF16String(JSStringRef value) { - return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value)); + *rhs = 0; + return CYUTF8String(temp, reinterpret_cast(rhs) - temp); } -template -_finline size_t iconv_(size_t (*iconv)(iconv_t, Type_, size_t *, char **, size_t *), iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft) { - return iconv(cd, const_cast(inbuf), inbytesleft, outbuf, outbytesleft); -} - -CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSContextRef context, JSStringRef value) { - _assert(pool != NULL); - - CYUTF16String utf16(CYCastUTF16String(value)); - const char *in(reinterpret_cast(utf16.data)); - -#ifdef __GLIBC__ - iconv_t conversion(_syscall(iconv_open("UTF-8", "UCS-2"))); -#else - iconv_t conversion(_syscall(iconv_open("UTF-8", "UCS-2-INTERNAL"))); -#endif - - size_t size(JSStringGetMaximumUTF8CStringSize(value)); - char *out(new(pool) char[size]); - CYUTF8String utf8(out, size); - - size = utf16.size * 2; - _syscall(iconv_(&iconv, conversion, const_cast(&in), &size, &out, &utf8.size)); - - *out = '\0'; - utf8.size = out - utf8.data; - - _syscall(iconv_close(conversion)); - - return utf8; -} +CYUTF16String CYPoolUTF16String(CYPool &pool, CYUTF8String utf8) { + // XXX: this is wrong + size_t size(utf8.size * 5); + uint16_t *temp(new (pool) uint16_t[size]); -const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSStringRef value) { - CYUTF8String utf8(CYPoolUTF8String(pool, context, value)); - _assert(memchr(utf8.data, '\0', utf8.size) == NULL); - return utf8.data; -} + const uint8_t *lhs(reinterpret_cast(utf8.data)); + uint16_t *rhs(temp); + _assert(ConvertUTF8toUTF16(&lhs, lhs + utf8.size, &rhs, rhs + size, lenientConversion) == conversionOK); -const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) { - return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value)); + *rhs = 0; + return CYUTF16String(temp, rhs - temp); } /* }}} */ - /* Index Offsets {{{ */ size_t CYGetIndex(const CYUTF8String &value) { if (value.data[0] != '0') { @@ -200,10 +87,6 @@ size_t CYGetIndex(const CYUTF8String &value) { return _not(size_t); } -size_t CYGetIndex(apr_pool_t *pool, JSContextRef context, JSStringRef value) { - return CYGetIndex(CYPoolUTF8String(pool, context, value)); -} - // XXX: this isn't actually right bool CYGetOffset(const char *value, ssize_t &index) { if (value[0] != '0') { @@ -219,7 +102,6 @@ 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); @@ -234,7 +116,7 @@ void CYStringify(std::ostringstream &str, const char *data, size_t size) { str << (single ? '\'' : '"'); for (const char *value(data), *end(data + size); value != end; ++value) - switch (*value) { + switch (uint8_t next = *value) { case '\\': str << "\\\\"; break; case '\b': str << "\\b"; break; case '\f': str << "\\f"; break; @@ -255,18 +137,48 @@ void CYStringify(std::ostringstream &str, const char *data, size_t size) { else goto simple; break; + case '\0': + if (value[1] >= '0' && value[1] <= '9') + str << "\\x00"; + else + str << "\\0"; + break; + default: - // this test is designed to be "awewsome", 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: + if (next >= 0x20 && next < 0x7f) simple: str << *value; + else { + unsigned levels(1); + if ((next & 0x80) != 0) + while ((next & 0x80 >> ++levels) != 0); + + unsigned point(next & 0xff >> levels); + while (--levels != 0) + point = point << 6 | uint8_t(*++value) & 0x3f; + + if (point < 0x100) + str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << point; + else if (point < 0x10000) + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << point; + else { + point -= 0x10000; + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xd800 | point >> 0x0a); + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xdc00 | point & 0x3ff); + } + } } str << (single ? '\'' : '"'); } void CYNumerify(std::ostringstream &str, double value) { + if (std::isinf(value)) { + if (value < 0) + str << '-'; + str << "Infinity"; + return; + } + char string[32]; // XXX: I want this to print 1e3 rather than 1000 sprintf(string, "%.17g", value); @@ -296,183 +208,6 @@ bool CYIsKey(CYUTF8String value) { } /* }}} */ -static JSGlobalContextRef Context_; -static JSObjectRef System_; - -static JSClassRef Functor_; -static JSClassRef Pointer_; -static JSClassRef Runtime_; -static JSClassRef Struct_; - -static JSStringRef Result_; - -JSObjectRef Array_; -JSObjectRef Error_; -JSObjectRef Function_; -JSObjectRef String_; - -JSStringRef length_; -JSStringRef message_; -JSStringRef name_; -JSStringRef prototype_; -JSStringRef toCYON_; -JSStringRef toJSON_; - -JSObjectRef Object_prototype_; -JSObjectRef Function_prototype_; - -JSObjectRef Array_prototype_; -JSObjectRef Array_pop_; -JSObjectRef Array_push_; -JSObjectRef Array_splice_; - -sqlite3 *Bridge_; - -void CYFinalize(JSObjectRef object) { - delete reinterpret_cast(JSObjectGetPrivate(object)); -} - -struct CStringMapLess : - std::binary_function -{ - _finline bool operator ()(const char *lhs, const char *rhs) const { - return strcmp(lhs, rhs) < 0; - } -}; - -void Structor_(apr_pool_t *pool, sig::Type *&type) { - if ( - type->primitive == sig::pointer_P && - type->data.data.type != NULL && - type->data.data.type->primitive == sig::struct_P && - strcmp(type->data.data.type->name, "_objc_class") == 0 - ) { - type->primitive = sig::typename_P; - type->data.data.type = NULL; - return; - } - - if (type->primitive != sig::struct_P || type->name == NULL) - return; - - sqlite3_stmt *statement; - - _sqlcall(sqlite3_prepare(Bridge_, - "select " - "\"bridge\".\"mode\", " - "\"bridge\".\"value\" " - "from \"bridge\" " - "where" - " \"bridge\".\"mode\" in (3, 4) and" - " \"bridge\".\"name\" = ?" - " limit 1" - , -1, &statement, NULL)); - - _sqlcall(sqlite3_bind_text(statement, 1, type->name, -1, SQLITE_STATIC)); - - int mode; - const char *value; - - if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) { - mode = -1; - value = NULL; - } else { - mode = sqlite3_column_int(statement, 0); - value = sqlite3_column_pooled(pool, statement, 1); - } - - _sqlcall(sqlite3_finalize(statement)); - - switch (mode) { - default: - _assert(false); - case -1: - break; - - case 3: { - sig::Parse(pool, &type->data.signature, value, &Structor_); - } break; - - case 4: { - sig::Signature signature; - sig::Parse(pool, &signature, value, &Structor_); - type = signature.elements[0].type; - } break; - } -} - -JSClassRef Type_privateData::Class_; - -struct Pointer : - CYOwned -{ - Type_privateData *type_; - size_t length_; - - Pointer(void *value, JSContextRef context, JSObjectRef owner, size_t length, sig::Type *type) : - CYOwned(value, context, owner), - type_(new(pool_) Type_privateData(type)), - length_(length) - { - } -}; - -struct Struct_privateData : - CYOwned -{ - Type_privateData *type_; - - Struct_privateData(JSContextRef context, JSObjectRef owner) : - CYOwned(NULL, context, owner) - { - } -}; - -typedef std::map TypeMap; -static TypeMap Types_; - -JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) { - Struct_privateData *internal(new Struct_privateData(context, owner)); - apr_pool_t *pool(internal->pool_); - Type_privateData *typical(new(pool) Type_privateData(type, ffi)); - internal->type_ = typical; - - if (owner != NULL) - internal->value_ = data; - else { - size_t size(typical->GetFFI()->size); - void *copy(apr_palloc(internal->pool_, size)); - memcpy(copy, data, size); - internal->value_ = copy; - } - - return JSObjectMake(context, Struct_, internal); -} - -JSValueRef CYCastJSValue(JSContextRef context, bool value) { - return JSValueMakeBoolean(context, value); -} - -JSValueRef CYCastJSValue(JSContextRef context, double value) { - return JSValueMakeNumber(context, value); -} - -#define CYCastJSValue_(Type_) \ - JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \ - return JSValueMakeNumber(context, static_cast(value)); \ - } - -CYCastJSValue_(int) -CYCastJSValue_(unsigned int) -CYCastJSValue_(long int) -CYCastJSValue_(long unsigned int) -CYCastJSValue_(long long int) -CYCastJSValue_(long long unsigned int) - -JSValueRef CYJSUndefined(JSContextRef context) { - return JSValueMakeUndefined(context); -} - double CYCastDouble(const char *value, size_t size) { char *end; double number(strtod(value, &end)); @@ -485,1140 +220,57 @@ double CYCastDouble(const char *value) { return CYCastDouble(value, strlen(value)); } -double CYCastDouble(JSContextRef context, JSValueRef value) { - JSValueRef exception(NULL); - double number(JSValueToNumber(context, value, &exception)); - CYThrow(context, exception); - return number; -} - -bool CYCastBool(JSContextRef context, JSValueRef value) { - return JSValueToBoolean(context, value); -} - -JSValueRef CYJSNull(JSContextRef context) { - return JSValueMakeNull(context); -} - -JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) { - return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value); -} - -JSValueRef CYCastJSValue(JSContextRef context, const char *value) { - return CYCastJSValue(context, CYJSString(value)); -} - -JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) { - JSValueRef exception(NULL); - JSObjectRef object(JSValueToObject(context, value, &exception)); - CYThrow(context, exception); - return object; -} - -JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, JSValueRef arguments[]) { - JSValueRef exception(NULL); - JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception)); - CYThrow(context, exception); - return value; -} - -bool CYIsCallable(JSContextRef context, JSValueRef value) { - return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value); -} - -static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - if (count == 0) - printf("\n"); - else { - CYPool pool; - printf("%s\n", CYPoolCString(pool, context, arguments[0])); - } - - return CYJSUndefined(context); -} CYCatch } - -static size_t Nonce_(0); - -static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - CYPool pool; - const char *name(apr_psprintf(pool, "%s%"APR_SIZE_T_FMT"", CYPoolCString(pool, context, arguments[0]), Nonce_++)); - return CYCastJSValue(context, name); -} - -static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - JSGarbageCollect(context); - return CYJSUndefined(context); -} - -const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry { - switch (JSType type = JSValueGetType(context, value)) { - case kJSTypeUndefined: - return "undefined"; - case kJSTypeNull: - return "null"; - case kJSTypeBoolean: - return CYCastBool(context, value) ? "true" : "false"; - - case kJSTypeNumber: { - std::ostringstream str; - CYNumerify(str, CYCastDouble(context, value)); - std::string value(str.str()); - return apr_pstrmemdup(pool, value.c_str(), value.size()); - } break; - - case kJSTypeString: { - std::ostringstream str; - CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value))); - CYStringify(str, string.data, string.size); - std::string value(str.str()); - return apr_pstrmemdup(pool, value.c_str(), value.size()); - } break; - - case kJSTypeObject: - return CYPoolCCYON(pool, context, (JSObjectRef) value); - default: - throw CYJSError(context, "JSValueGetType() == 0x%x", type); - } -} CYCatch } - -const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value) { - JSValueRef exception(NULL); - const char *cyon(CYPoolCCYON(pool, context, value, &exception)); - CYThrow(context, exception); - return cyon; -} - -const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object) { - JSValueRef toCYON(CYGetProperty(context, object, toCYON_)); - if (CYIsCallable(context, toCYON)) { - JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL)); - return CYPoolCString(pool, context, value); - } - - JSValueRef toJSON(CYGetProperty(context, object, toJSON_)); - if (CYIsCallable(context, toJSON)) { - JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))}; - JSValueRef exception(NULL); - const char *cyon(CYPoolCCYON(pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), &exception)); - CYThrow(context, exception); - return cyon; - } - - std::ostringstream str; - - str << '{'; - - // XXX: this is, sadly, going to leak - JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object)); - - bool comma(false); - - for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) { - JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index)); - JSValueRef value(CYGetProperty(context, object, name)); - - if (comma) - str << ','; - else - comma = true; - - CYUTF8String string(CYPoolUTF8String(pool, context, name)); - if (CYIsKey(string)) - str << string.data; - else - CYStringify(str, string.data, string.size); - - str << ':' << CYPoolCCYON(pool, context, value); - } - - str << '}'; - - JSPropertyNameArrayRelease(names); - - std::string string(str.str()); - return apr_pstrmemdup(pool, string.c_str(), string.size()); -} - -static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - CYPool pool; - std::ostringstream str; - - str << '['; - - JSValueRef length(CYGetProperty(context, _this, length_)); - bool comma(false); - - for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) { - JSValueRef value(CYGetProperty(context, _this, index)); - - if (comma) - str << ','; - else - comma = true; - - if (!JSValueIsUndefined(context, value)) - str << CYPoolCCYON(pool, context, value); - else { - str << ','; - comma = false; - } - } - - str << ']'; - - std::string value(str.str()); - return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size()))); -} CYCatch } - -JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner) { - Pointer *internal(new Pointer(pointer, context, owner, length, type)); - return JSObjectMake(context, Pointer_, internal); +_visible bool CYStartsWith(const CYUTF8String &haystack, const CYUTF8String &needle) { + return haystack.size >= needle.size && strncmp(haystack.data, needle.data, needle.size) == 0; } -static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) { - cy::Functor *internal(new cy::Functor(type, function)); - return JSObjectMake(context, Functor_, internal); -} +CYUTF8String CYPoolCode(CYPool &pool, std::istream &stream) { + CYLocalPool local; + CYDriver driver(local, stream); + _assert(!driver.Parse()); + _assert(driver.errors_.empty()); -static bool CYGetOffset(apr_pool_t *pool, JSContextRef context, JSStringRef value, ssize_t &index) { - return CYGetOffset(CYPoolCString(pool, context, value), index); -} + CYOptions options; + CYContext context(options); + driver.script_->Replace(context); -void *CYCastPointer_(JSContextRef context, JSValueRef value) { - switch (JSValueGetType(context, value)) { - case kJSTypeNull: - return NULL; - /*case kJSTypeObject: - if (JSValueIsObjectOfClass(context, value, Pointer_)) { - Pointer *internal(reinterpret_cast(JSObjectGetPrivate((JSObjectRef) value))); - return internal->value_; - }*/ - default: - double number(CYCastDouble(context, value)); - if (std::isnan(number)) - throw CYJSError(context, "cannot convert value to pointer"); - return reinterpret_cast(static_cast(static_cast(number))); - } + std::stringbuf str; + CYOutput out(str, options); + out << *driver.script_; + return $pool.strdup(str.str().c_str()); } -void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { - switch (type->primitive) { - case sig::boolean_P: - *reinterpret_cast(data) = JSValueToBoolean(context, value); - break; - -#define CYPoolFFI_(primitive, native) \ - case sig::primitive ## _P: \ - *reinterpret_cast(data) = CYCastDouble(context, value); \ - break; - - CYPoolFFI_(uchar, unsigned char) - CYPoolFFI_(char, char) - CYPoolFFI_(ushort, unsigned short) - CYPoolFFI_(short, short) - CYPoolFFI_(ulong, unsigned long) - CYPoolFFI_(long, long) - CYPoolFFI_(uint, unsigned int) - CYPoolFFI_(int, int) - CYPoolFFI_(ulonglong, unsigned long long) - CYPoolFFI_(longlong, long long) - CYPoolFFI_(float, float) - CYPoolFFI_(double, double) - - case sig::array_P: { - uint8_t *base(reinterpret_cast(data)); - JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL); - for (size_t index(0); index != type->data.data.size; ++index) { - ffi_type *field(ffi->elements[index]); - - JSValueRef rhs; - if (aggregate == NULL) - rhs = value; - else { - rhs = CYGetProperty(context, aggregate, index); - if (JSValueIsUndefined(context, rhs)) - throw CYJSError(context, "unable to extract array value"); - } - - CYPoolFFI(pool, context, type->data.data.type, field, base, rhs); - // XXX: alignment? - base += field->size; - } - } break; - - case sig::pointer_P: - *reinterpret_cast(data) = CYCastPointer(context, value); - break; - - case sig::string_P: - *reinterpret_cast(data) = CYPoolCString(pool, context, value); - break; - - case sig::struct_P: { - uint8_t *base(reinterpret_cast(data)); - JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL); - for (size_t index(0); index != type->data.signature.count; ++index) { - sig::Element *element(&type->data.signature.elements[index]); - ffi_type *field(ffi->elements[index]); - - JSValueRef rhs; - if (aggregate == NULL) - rhs = value; - else { - rhs = CYGetProperty(context, aggregate, index); - if (JSValueIsUndefined(context, rhs)) { - if (element->name != NULL) - rhs = CYGetProperty(context, aggregate, CYJSString(element->name)); - else - goto undefined; - if (JSValueIsUndefined(context, rhs)) undefined: - throw CYJSError(context, "unable to extract structure value"); - } - } - - CYPoolFFI(pool, context, element->type, field, base, rhs); - // XXX: alignment? - base += field->size; - } - } break; - - case sig::void_P: - break; - - default: - if (hooks_ != NULL && hooks_->PoolFFI != NULL) - if ((*hooks_->PoolFFI)(pool, context, type, ffi, data, value)) - return; - - CYThrow("unimplemented signature code: '%c''\n", type->primitive); - } +CYPool &CYGetGlobalPool() { + static CYPool pool; + return pool; } -JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { - switch (type->primitive) { - case sig::boolean_P: - return CYCastJSValue(context, *reinterpret_cast(data)); - -#define CYFromFFI_(primitive, native) \ - case sig::primitive ## _P: \ - return CYCastJSValue(context, *reinterpret_cast(data)); \ - - CYFromFFI_(uchar, unsigned char) - CYFromFFI_(char, char) - CYFromFFI_(ushort, unsigned short) - CYFromFFI_(short, short) - CYFromFFI_(ulong, unsigned long) - CYFromFFI_(long, long) - CYFromFFI_(uint, unsigned int) - CYFromFFI_(int, int) - CYFromFFI_(ulonglong, unsigned long long) - CYFromFFI_(longlong, long long) - CYFromFFI_(float, float) - CYFromFFI_(double, double) - - case sig::array_P: - if (void *pointer = data) - return CYMakePointer(context, pointer, type->data.data.size, type->data.data.type, NULL, owner); - else goto null; - - case sig::pointer_P: - if (void *pointer = *reinterpret_cast(data)) - return CYMakePointer(context, pointer, _not(size_t), type->data.data.type, NULL, owner); - else goto null; - - case sig::string_P: - if (char *utf8 = *reinterpret_cast(data)) - return CYCastJSValue(context, utf8); - else goto null; - - case sig::struct_P: - return CYMakeStruct(context, data, type, ffi, owner); - case sig::void_P: - return CYJSUndefined(context); - - null: - return CYJSNull(context); - default: - if (hooks_ != NULL && hooks_->FromFFI != NULL) - if (JSValueRef value = (*hooks_->FromFFI)(context, type, ffi, data, initialize, owner)) - return value; - - CYThrow("unimplemented signature code: '%c''\n", type->primitive); - } -} - -static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) { - Closure_privateData *internal(reinterpret_cast(arg)); - - JSContextRef context(internal->context_); - - size_t count(internal->cif_.nargs); - JSValueRef values[count]; - - for (size_t index(0); index != count; ++index) - values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]); - - JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values)); - CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value); -} - -Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) { - // XXX: in case of exceptions this will leak - // XXX: in point of fact, this may /need/ to leak :( - Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type)); - - ffi_closure *closure((ffi_closure *) _syscall(mmap( - NULL, sizeof(ffi_closure), - PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, - -1, 0 - ))); - - ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal)); - _assert(status == FFI_OK); - - _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC)); - - internal->value_ = closure; - - return internal; -} - -static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) { - Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_)); - return JSObjectMake(context, Functor_, internal); -} - -static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) { - JSValueRef exception(NULL); - bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception)); - CYThrow(context, exception); - - if (function) { - JSObjectRef function(CYCastJSObject(context, value)); - return CYMakeFunctor(context, function, type); - } else { - void (*function)()(CYCastPointer(context, value)); - return CYMakeFunctor(context, function, type); - } -} - -static bool Index_(apr_pool_t *pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) { - Type_privateData *typical(internal->type_); - sig::Type *type(typical->type_); - if (type == NULL) - return false; - - const char *name(CYPoolCString(pool, context, property)); - size_t length(strlen(name)); - double number(CYCastDouble(name, length)); - - size_t count(type->data.signature.count); - - if (std::isnan(number)) { - if (property == NULL) - return false; - - sig::Element *elements(type->data.signature.elements); - - for (size_t local(0); local != count; ++local) { - sig::Element *element(&elements[local]); - if (element->name != NULL && strcmp(name, element->name) == 0) { - index = local; - goto base; - } - } - - return false; - } else { - index = static_cast(number); - if (index != number || index < 0 || static_cast(index) >= count) - return false; - } - - base: - ffi_type **elements(typical->GetFFI()->elements); - - base = reinterpret_cast(internal->value_); - for (ssize_t local(0); local != index; ++local) - base += elements[local]->size; - - return true; -} - -static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { - CYPool pool; - Pointer *internal(reinterpret_cast(JSObjectGetPrivate(object))); - - if (JSStringIsEqual(property, length_)) - return internal->length_ == _not(size_t) ? CYJSUndefined(context) : CYCastJSValue(context, internal->length_); - - Type_privateData *typical(internal->type_); - - if (typical->type_ == NULL) - return NULL; - - ssize_t offset; - if (JSStringIsEqualToUTF8CString(property, "$cyi")) - offset = 0; - else if (!CYGetOffset(pool, context, property, offset)) - return NULL; - - ffi_type *ffi(typical->GetFFI()); - - uint8_t *base(reinterpret_cast(internal->value_)); - base += ffi->size * offset; - - JSObjectRef owner(internal->GetOwner() ?: object); - return CYFromFFI(context, typical->type_, ffi, base, false, owner); -} CYCatch } - -static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry { - CYPool pool; - Pointer *internal(reinterpret_cast(JSObjectGetPrivate(object))); - Type_privateData *typical(internal->type_); - - if (typical->type_ == NULL) - return NULL; - - ssize_t offset; - if (JSStringIsEqualToUTF8CString(property, "$cyi")) - offset = 0; - else if (!CYGetOffset(pool, context, property, offset)) - return NULL; - - ffi_type *ffi(typical->GetFFI()); - - uint8_t *base(reinterpret_cast(internal->value_)); - base += ffi->size * offset; - - CYPoolFFI(NULL, context, typical->type_, ffi, base, value); - return true; -} CYCatch } - -static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - Struct_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - Type_privateData *typical(internal->type_); - return CYMakePointer(context, internal->value_, _not(size_t), typical->type_, typical->ffi_, _this); -} - -static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { - CYPool pool; - Struct_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - Type_privateData *typical(internal->type_); - - ssize_t index; - uint8_t *base; - - if (!Index_(pool, context, internal, property, index, base)) - return NULL; - - JSObjectRef owner(internal->GetOwner() ?: object); - - return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner); -} CYCatch } - -static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry { - CYPool pool; - Struct_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - Type_privateData *typical(internal->type_); - - ssize_t index; - uint8_t *base; - - if (!Index_(pool, context, internal, property, index, base)) - return false; - - CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value); - return true; -} CYCatch } - -static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) { - Struct_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - Type_privateData *typical(internal->type_); - sig::Type *type(typical->type_); - - if (type == NULL) - return; - - size_t count(type->data.signature.count); - sig::Element *elements(type->data.signature.elements); - - char number[32]; - - for (size_t index(0); index != count; ++index) { - const char *name; - name = elements[index].name; - - if (name == NULL) { - sprintf(number, "%zu", index); - name = number; - } - - JSPropertyNameAccumulatorAddName(names, CYJSString(name)); - } -} - -JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) { CYTry { - if (setups + count != signature->count - 1) - throw CYJSError(context, "incorrect number of arguments to ffi function"); - - size_t size(setups + count); - void *values[size]; - memcpy(values, setup, sizeof(void *) * setups); - - for (size_t index(setups); index != size; ++index) { - sig::Element *element(&signature->elements[index + 1]); - ffi_type *ffi(cif->arg_types[index]); - // XXX: alignment? - values[index] = new(pool) uint8_t[ffi->size]; - CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]); - } - - uint8_t value[cif->rtype->size]; - - if (hooks_ != NULL && hooks_->CallFunction != NULL) - (*hooks_->CallFunction)(context, cif, function, value, values); - else - ffi_call(cif, function, value, values); - - return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize); -} CYCatch } - -static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - CYPool pool; - cy::Functor *internal(reinterpret_cast(JSObjectGetPrivate(object))); - return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue()); -} - -static JSObjectRef CYMakeType(JSContextRef context, const char *type) { - Type_privateData *internal(new Type_privateData(type)); - return JSObjectMake(context, Type_privateData::Class_, internal); -} - -static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) { - Type_privateData *internal(new Type_privateData(type)); - return JSObjectMake(context, Type_privateData::Class_, internal); -} - -static void *CYCastSymbol(const char *name) { - return dlsym(RTLD_DEFAULT, name); -} - -static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { - CYPool pool; - CYUTF8String name(CYPoolUTF8String(pool, context, property)); - - if (hooks_ != NULL && hooks_->RuntimeProperty != NULL) - if (JSValueRef value = (*hooks_->RuntimeProperty)(context, name)) - return value; - - sqlite3_stmt *statement; - - _sqlcall(sqlite3_prepare(Bridge_, - "select " - "\"bridge\".\"mode\", " - "\"bridge\".\"value\" " - "from \"bridge\" " - "where" - " \"bridge\".\"name\" = ?" - " limit 1" - , -1, &statement, NULL)); - - _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC)); - - int mode; - const char *value; - - if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) { - mode = -1; - value = NULL; - } else { - mode = sqlite3_column_int(statement, 0); - value = sqlite3_column_pooled(pool, statement, 1); - } - - _sqlcall(sqlite3_finalize(statement)); - - switch (mode) { - default: - _assert(false); - case -1: - return NULL; - - case 0: - return JSEvaluateScript(CYGetJSContext(), CYJSString(value), NULL, NULL, 0, NULL); - - case 1: - if (void (*symbol)() = reinterpret_cast(CYCastSymbol(name.data))) - return CYMakeFunctor(context, symbol, value); - else return NULL; - - case 2: - if (void *symbol = CYCastSymbol(name.data)) { - // XXX: this is horrendously inefficient - sig::Signature signature; - sig::Parse(pool, &signature, value, &Structor_); - ffi_cif cif; - sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif); - return CYFromFFI(context, signature.elements[0].type, cif.rtype, symbol); - } else return NULL; - - // XXX: implement case 3 - case 4: - return CYMakeType(context, value); - } -} CYCatch } - -static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - if (count != 2) - throw CYJSError(context, "incorrect number of arguments to Functor constructor"); - - CYPool pool; - - void *value(CYCastPointer(context, arguments[0])); - const char *type(CYPoolCString(pool, context, arguments[1])); - - sig::Signature signature; - sig::Parse(pool, &signature, type, &Structor_); - - return CYMakePointer(context, value, _not(size_t), signature.elements[0].type, NULL, NULL); -} CYCatch } - -static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - if (count != 1) - throw CYJSError(context, "incorrect number of arguments to Type constructor"); - CYPool pool; - const char *type(CYPoolCString(pool, context, arguments[0])); - return CYMakeType(context, type); -} CYCatch } - -static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - - sig::Type type; - - if (JSStringIsEqualToUTF8CString(property, "$cyi")) { - type.primitive = sig::pointer_P; - type.data.data.size = 0; - } else { - CYPool pool; - size_t index(CYGetIndex(pool, context, property)); - if (index == _not(size_t)) - return NULL; - type.primitive = sig::array_P; - type.data.data.size = index; - } - - type.name = NULL; - type.flags = 0; - - type.data.data.type = internal->type_; - - return CYMakeType(context, &type); -} CYCatch } - -static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - - if (count != 1) - throw CYJSError(context, "incorrect number of arguments to type cast function"); - sig::Type *type(internal->type_); - ffi_type *ffi(internal->GetFFI()); - // XXX: alignment? - uint8_t value[ffi->size]; - CYPool pool; - CYPoolFFI(pool, context, type, ffi, value, arguments[0]); - return CYFromFFI(context, type, ffi, value); -} CYCatch } - -static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - if (count != 0) - throw CYJSError(context, "incorrect number of arguments to type cast function"); - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); - - sig::Type *type(internal->type_); - size_t length; - - if (type->primitive != sig::array_P) - length = _not(size_t); - else { - length = type->data.data.size; - type = type->data.data.type; - } - - void *value(malloc(internal->GetFFI()->size)); - return CYMakePointer(context, value, length, type, NULL, NULL); -} CYCatch } - -static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - if (count != 2) - throw CYJSError(context, "incorrect number of arguments to Functor constructor"); - CYPool pool; - const char *type(CYPoolCString(pool, context, arguments[1])); - return CYMakeFunctor(context, arguments[0], type); -} CYCatch } - -static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - CYValue *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - return CYCastJSValue(context, reinterpret_cast(internal->value_)); -} CYCatch } - -static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception); -} - -static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - CYValue *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - char string[32]; - sprintf(string, "%p", internal->value_); - return CYCastJSValue(context, string); -} CYCatch } - -static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - Pointer *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - if (internal->length_ != _not(size_t)) - // XXX: maybe dynamically look up Array.toCYON? - return Array_callAsFunction_toCYON(context, object, _this, count, arguments, exception); - else { - char string[32]; - sprintf(string, "%p", internal->value_); - return CYCastJSValue(context, string); - } -} CYCatch } - -static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - CYPool pool; - const char *type(sig::Unparse(pool, internal->type_)); - return CYCastJSValue(context, CYJSString(type)); -} CYCatch } - -static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - CYPool pool; - const char *type(sig::Unparse(pool, internal->type_)); - size_t size(strlen(type)); - char *cyon(new(pool) char[12 + size + 1]); - memcpy(cyon, "new Type(\"", 10); - cyon[12 + size] = '\0'; - cyon[12 + size - 2] = '"'; - cyon[12 + size - 1] = ')'; - memcpy(cyon + 10, type, size); - return CYCastJSValue(context, CYJSString(cyon)); -} CYCatch } - -static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { - return Type_callAsFunction_toString(context, object, _this, count, arguments, exception); -} - -static JSStaticFunction Pointer_staticFunctions[4] = { - {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {NULL, NULL, 0} -}; - -static JSStaticFunction Struct_staticFunctions[2] = { - {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {NULL, NULL, 0} -}; - -static JSStaticFunction Functor_staticFunctions[4] = { - {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {NULL, NULL, 0} -}; - -namespace cy { - JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions; -} - -static JSStaticFunction Type_staticFunctions[4] = { - {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, - {NULL, NULL, 0} -}; - -static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *); - -void CYSetArgs(int argc, const char *argv[]) { - JSContextRef context(CYGetJSContext()); - JSValueRef args[argc]; - for (int i(0); i != argc; ++i) - args[i] = CYCastJSValue(context, argv[i]); - - JSObjectRef array; - if (JSObjectMakeArray$ != NULL) { - JSValueRef exception(NULL); - array = (*JSObjectMakeArray$)(context, argc, args, &exception); - CYThrow(context, exception); - } else { - JSValueRef value(CYCallAsFunction(context, Array_, NULL, argc, args)); - array = CYCastJSObject(context, value); - } - - CYSetProperty(context, System_, CYJSString("args"), array); -} - -JSObjectRef CYGetGlobalObject(JSContextRef context) { - return JSContextGetGlobalObject(context); -} - -const char *CYExecute(apr_pool_t *pool, const char *code) { - JSContextRef context(CYGetJSContext()); - JSValueRef exception(NULL), result; - - void *handle; - if (hooks_ != NULL && hooks_->ExecuteStart != NULL) - handle = (*hooks_->ExecuteStart)(context); - else - handle = NULL; - - const char *json; - - try { - result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception); - } catch (const char *error) { - return error; - } - - if (exception != NULL) { error: - result = exception; - exception = NULL; - } - - if (JSValueIsUndefined(context, result)) - return NULL; - - try { - json = CYPoolCCYON(pool, context, result, &exception); - } catch (const char *error) { - return error; - } - - if (exception != NULL) - goto error; - - CYSetProperty(context, CYGetGlobalObject(context), Result_, result); - - if (hooks_ != NULL && hooks_->ExecuteEnd != NULL) - (*hooks_->ExecuteEnd)(context, handle); - return json; -} - -static apr_pool_t *Pool_; - -static bool initialized_; - -void CYInitialize() { - if (!initialized_) - initialized_ = true; - else return; - - _aprcall(apr_initialize()); - _aprcall(apr_pool_create(&Pool_, NULL)); - _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_)); - - JSObjectMakeArray$ = reinterpret_cast(dlsym(RTLD_DEFAULT, "JSObjectMakeArray")); -} - -apr_pool_t *CYGetGlobalPool() { - CYInitialize(); - return Pool_; -} - -void CYThrow(JSContextRef context, JSValueRef value) { - if (value != NULL) - throw CYJSError(context, value); -} - -const char *CYJSError::PoolCString(apr_pool_t *pool) const { - return CYPoolCString(pool, context_, value_); -} - -JSValueRef CYJSError::CastJSValue(JSContextRef context) const { - // XXX: what if the context is different? - return value_; -} - -void CYThrow(const char *format, ...) { +_visible void CYThrow(const char *format, ...) { va_list args; - va_start (args, format); + va_start(args, format); throw CYPoolError(format, args); // XXX: does this matter? :( - va_end (args); -} - -const char *CYPoolError::PoolCString(apr_pool_t *pool) const { - return apr_pstrdup(pool, message_); -} - -CYPoolError::CYPoolError(const char *format, ...) { - va_list args; - va_start (args, format); - message_ = apr_pvsprintf(pool_, format, args); - va_end (args); -} - -CYPoolError::CYPoolError(const char *format, va_list args) { - message_ = apr_pvsprintf(pool_, format, args); + va_end(args); } -JSValueRef CYCastJSError(JSContextRef context, const char *message) { - JSValueRef arguments[1] = {CYCastJSValue(context, message)}; - - JSValueRef exception(NULL); - JSValueRef value(JSObjectCallAsConstructor(context, Error_, 1, arguments, &exception)); - CYThrow(context, exception); - - return value; +const char *CYPoolError::PoolCString(CYPool &pool) const { + return pool.strdup(message_); } -JSValueRef CYPoolError::CastJSValue(JSContextRef context) const { - return CYCastJSError(context, message_); +CYPoolError::CYPoolError(const CYPoolError &rhs) : + message_(pool_.strdup(rhs.message_)) +{ } -CYJSError::CYJSError(JSContextRef context, const char *format, ...) { - if (context == NULL) - context = CYGetJSContext(); - - CYPool pool; - +CYPoolError::CYPoolError(const char *format, ...) { va_list args; - va_start (args, format); - const char *message(apr_pvsprintf(pool, format, args)); - va_end (args); - - value_ = CYCastJSError(context, message); + va_start(args, format); + // XXX: there might be a beter way to think about this + message_ = pool_.vsprintf(64, format, args); + va_end(args); } -JSGlobalContextRef CYGetJSContext(JSContextRef context) { - // XXX: do something better - return Context_; -} - -JSGlobalContextRef CYGetJSContext() { - CYInitialize(); - - if (Context_ == NULL) { - JSClassDefinition definition; - - definition = kJSClassDefinitionEmpty; - definition.className = "Functor"; - definition.staticFunctions = cy::Functor::StaticFunctions; - definition.callAsFunction = &Functor_callAsFunction; - definition.finalize = &CYFinalize; - Functor_ = JSClassCreate(&definition); - - definition = kJSClassDefinitionEmpty; - definition.className = "Pointer"; - definition.staticFunctions = Pointer_staticFunctions; - definition.getProperty = &Pointer_getProperty; - definition.setProperty = &Pointer_setProperty; - definition.finalize = &CYFinalize; - Pointer_ = JSClassCreate(&definition); - - definition = kJSClassDefinitionEmpty; - definition.className = "Struct"; - definition.staticFunctions = Struct_staticFunctions; - definition.getProperty = &Struct_getProperty; - definition.setProperty = &Struct_setProperty; - definition.getPropertyNames = &Struct_getPropertyNames; - definition.finalize = &CYFinalize; - Struct_ = JSClassCreate(&definition); - - definition = kJSClassDefinitionEmpty; - definition.className = "Type"; - definition.staticFunctions = Type_staticFunctions; - definition.getProperty = &Type_getProperty; - definition.callAsFunction = &Type_callAsFunction; - definition.callAsConstructor = &Type_callAsConstructor; - definition.finalize = &CYFinalize; - Type_privateData::Class_ = JSClassCreate(&definition); - - definition = kJSClassDefinitionEmpty; - definition.className = "Runtime"; - definition.getProperty = &Runtime_getProperty; - Runtime_ = JSClassCreate(&definition); - - definition = kJSClassDefinitionEmpty; - //definition.getProperty = &Global_getProperty; - JSClassRef Global(JSClassCreate(&definition)); - - JSGlobalContextRef context(JSGlobalContextCreate(Global)); - Context_ = context; - JSObjectRef global(CYGetGlobalObject(context)); - - JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL)); - - Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))); - JSValueProtect(context, Array_); - - Error_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))); - JSValueProtect(context, Error_); - - Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))); - JSValueProtect(context, Function_); - - String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))); - JSValueProtect(context, String_); - - length_ = JSStringCreateWithUTF8CString("length"); - message_ = JSStringCreateWithUTF8CString("message"); - name_ = JSStringCreateWithUTF8CString("name"); - prototype_ = JSStringCreateWithUTF8CString("prototype"); - toCYON_ = JSStringCreateWithUTF8CString("toCYON"); - toJSON_ = JSStringCreateWithUTF8CString("toJSON"); - - JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object")))); - Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_)); - JSValueProtect(context, Object_prototype_); - - Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_)); - Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop"))); - Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push"))); - Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice"))); - - CYSetProperty(context, Array_prototype_, toCYON_, JSObjectMakeFunctionWithCallback(context, toCYON_, &Array_callAsFunction_toCYON), kJSPropertyAttributeDontEnum); - - JSValueProtect(context, Array_prototype_); - JSValueProtect(context, Array_pop_); - JSValueProtect(context, Array_push_); - JSValueProtect(context, Array_splice_); - - JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new)); - - Function_prototype_ = (JSObjectRef) CYGetProperty(context, Function_, prototype_); - JSValueProtect(context, Function_prototype_); - - JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), Function_prototype_); - - CYSetProperty(context, global, CYJSString("Functor"), Functor); - CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new)); - CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new)); - - JSObjectRef cycript(JSObjectMake(context, NULL, NULL)); - CYSetProperty(context, global, CYJSString("Cycript"), cycript); - CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction)); - - CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq)); - - System_ = JSObjectMake(context, NULL, NULL); - JSValueProtect(context, System_); - - CYSetProperty(context, global, CYJSString("system"), System_); - CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context)); - //CYSetProperty(context, System_, CYJSString("global"), global); - - CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print)); - - Result_ = JSStringCreateWithUTF8CString("_"); - - if (hooks_ != NULL && hooks_->SetupContext != NULL) - (*hooks_->SetupContext)(context); - } - - return Context_; +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); }