/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2014 Jay Freeman (saurik)
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
*/
/* GNU Affero General Public License, Version 3 {{{ */
**/
/* }}} */
-#include "Internal.hpp"
+#include "cycript.hpp"
+
+#include <iostream>
+#include <set>
+#include <map>
+#include <iomanip>
+#include <sstream>
+#include <cmath>
#include <dlfcn.h>
#include <dirent.h>
#include <fcntl.h>
#include <unistd.h>
-#include "cycript.hpp"
-
-#include "sig/parse.hpp"
-#include "sig/ffi_type.hpp"
-
-#include "Pooling.hpp"
-#include "Execute.hpp"
-
#include <sys/mman.h>
#include <sys/stat.h>
-#include <iostream>
-#include <set>
-#include <map>
-#include <iomanip>
-#include <sstream>
-#include <cmath>
+#include "sig/parse.hpp"
+#include "sig/ffi_type.hpp"
#include "Code.hpp"
#include "Decode.hpp"
#include "Error.hpp"
+#include "Execute.hpp"
+#include "Internal.hpp"
#include "JavaScript.hpp"
+#include "Pooling.hpp"
#include "String.hpp"
static std::vector<CYHook *> &GetHooks() {
}
JSStringRef CYCopyJSString(CYUTF8String value) {
- // XXX: this is very wrong; it needs to convert to UTF16 and then create from there
- return CYCopyJSString(value.data);
+ if (memchr(value.data, '\0', value.size) != NULL) {
+ CYPool pool;
+ return CYCopyJSString(pool.memdup(value.data, value.size));
+ } else if (value.data[value.size] != '\0') {
+ CYPool pool;
+ return CYCopyJSString(CYPoolUTF16String(pool, value));
+ } else {
+ return CYCopyJSString(value.data);
+ }
+}
+
+JSStringRef CYCopyJSString(CYUTF16String value) {
+ return JSStringCreateWithCharacters(value.data, value.size);
}
JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
static JSClassRef All_;
static JSClassRef Context_;
+static JSClassRef CString_;
JSClassRef Functor_;
static JSClassRef Global_;
static JSClassRef Pointer_;
JSStringRef toJSON_s;
JSStringRef toPointer_s;
JSStringRef toString_s;
+JSStringRef weak_s;
static JSStringRef Result_;
}
};
+struct CString :
+ CYOwned
+{
+ CString(char *value, JSContextRef context, JSObjectRef owner) :
+ CYOwned(value, context, owner)
+ {
+ }
+};
+
struct Pointer :
CYOwned
{
}
static void *CYCastSymbol(const char *name) {
+ for (CYHook *hook : GetHooks())
+ if (hook->CastSymbol != NULL)
+ if (void *value = (*hook->CastSymbol)(name))
+ return value;
return dlsym(RTLD_DEFAULT, name);
}
#define CYCastJSValue_(Type_) \
JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
+ _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
return JSValueMakeNumber(context, static_cast<double>(value)); \
}
}
static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ FILE *file(stdout);
+
if (count == 0)
- printf("\n");
+ fputc('\n', file);
else {
CYPool pool;
- printf("%s\n", CYPoolCString(pool, context, arguments[0]));
+ CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
+ fwrite(string.data, string.size, 1, file);
}
+ fflush(file);
return CYJSUndefined(context);
} CYCatch(NULL) }
-static size_t Nonce_(0);
-
-static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
- CYPool pool;
- const char *name(pool.strcat(CYPoolCString(pool, context, arguments[0]), pool.itoa(Nonce_++), NULL));
- return CYCastJSValue(context, name);
-} CYCatch(NULL) }
-
static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
-void CYGarbageCollect(JSContextRef context) {
+_visible void CYGarbageCollect(JSContextRef context) {
(JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
}
+static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ CYPool pool;
+ CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
+ std::stringbuf value(std::string(before.data, before.size));
+ CYUTF8String after(CYPoolCode(pool, value));
+ return CYCastJSValue(context, CYJSString(after));
+} CYCatch_(NULL, "SyntaxError") }
+
static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
CYGarbageCollect(context);
return CYJSUndefined(context);
JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
if (CYIsCallable(context, toCYON)) {
// XXX: this needs to be abstracted behind some kind of function
- JSValueRef arguments[1] = {CYCastJSValue(context, static_cast<double>(reinterpret_cast<uintptr_t>(&objects)))};
+ JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
_assert(value != NULL);
return CYPoolCString(pool, context, value);
return JSObjectMake(context, Pointer_, internal);
}
+JSObjectRef CYMakeCString(JSContextRef context, char *pointer, JSObjectRef owner) {
+ CString *internal(new CString(pointer, context, owner));
+ return JSObjectMake(context, CString_, internal);
+}
+
static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const sig::Signature &signature) {
return JSObjectMake(context, Functor_, new cy::Functor(signature, function));
}
return CYGetOffset(CYPoolCString(pool, context, value), index);
}
-void *CYCastPointer_(JSContextRef context, JSValueRef value) {
- switch (JSValueGetType(context, value)) {
+void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
+ if (value == NULL)
+ return NULL;
+ else switch (JSValueGetType(context, value)) {
case kJSTypeNull:
return NULL;
case kJSTypeObject: {
if (CYIsCallable(context, toPointer)) {
JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
_assert(value != NULL);
- return CYCastPointer_(context, value);
+ return CYCastPointer_(context, value, guess);
}
} default:
+ if (guess != NULL)
+ *guess = true;
+ case kJSTypeNumber:
double number(CYCastDouble(context, value));
- if (std::isnan(number))
+ if (!std::isnan(number))
+ return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
+ if (guess == NULL)
throw CYJSError(context, "cannot convert value to pointer");
- return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
+ else {
+ *guess = true;
+ return NULL;
+ }
}
}
*reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
break;
- case sig::string_P:
- _assert(pool != NULL);
- *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
- break;
+ case sig::string_P: {
+ bool guess(false);
+ *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
+ if (guess && pool != NULL)
+ *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
+ } break;
case sig::struct_P: {
uint8_t *base(reinterpret_cast<uint8_t *>(data));
else goto null;
case sig::string_P:
- if (char *utf8 = *reinterpret_cast<char **>(data))
- return CYCastJSValue(context, utf8);
+ if (char *pointer = *reinterpret_cast<char **>(data))
+ return CYMakeCString(context, pointer, owner);
else goto null;
case sig::struct_P:
}
}
-void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
+void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
JSContextRef context(internal->context_);
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(adapter(context, count, values, internal->function_));
+ JSValueRef value(internal->adapter_(context, count, values, internal->function_));
CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
}
return CYCallAsFunction(context, function, NULL, count, values);
}
-static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
- CYExecuteClosure(cif, result, arguments, arg, &FunctionAdapter_);
-}
-
-Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, void (*callback)(ffi_cif *, void *, void **, void *)) {
+Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
// XXX: in case of exceptions this will leak
// XXX: in point of fact, this may /need/ to leak :(
- Closure_privateData *internal(new Closure_privateData(context, function, signature));
+ Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
void *executable;
ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
- ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, callback, internal, executable));
+ ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
_assert(status == FFI_OK);
internal->value_ = executable;
-1, 0
)));
- ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
+ ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
_assert(status == FFI_OK);
_syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
}
static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
- Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionClosure_));
+ Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
JSObjectRef object(JSObjectMake(context, Functor_, internal));
// XXX: see above notes about needing to leak
JSValueProtect(CYGetJSContext(context), object);
return object;
}
+JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
+ return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
+}
+
JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
- return CYCastJSObject(context, CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name));
+ return CYCastJSObject(context, CYGetCachedValue(context, name));
}
static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const sig::Signature &signature) {
}
}
+static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+ CYPool pool;
+ CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
+ char *string(static_cast<char *>(internal->value_));
+
+ ssize_t offset;
+ if (!CYGetOffset(pool, context, property, offset))
+ return NULL;
+
+ return CYCastJSValue(context, CYJSString(CYUTF8String(&string[offset], 1)));
+} CYCatch(NULL) }
+
+static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
+ CYPool pool;
+ CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
+ char *string(static_cast<char *>(internal->value_));
+
+ ssize_t offset;
+ if (!CYGetOffset(pool, context, property, offset))
+ return false;
+
+ const char *data(CYPoolCString(pool, context, value));
+ string[offset] = *data;
+ return true;
+} CYCatch(false) }
+
static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
Type_privateData *typical(internal->type_);
sig::Type *type(typical->type_);
}
}
+void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
+ ffi_call(cif, function, value, values);
+}
+
JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, sig::Signature *signature, ffi_cif *cif, void (*function)()) {
if (setups + count != signature->count - 1)
throw CYJSError(context, "incorrect number of arguments to ffi function");
uint8_t value[cif->rtype->size];
+ void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
+ // XXX: this only supports one hook, but it is a bad idea anyway
for (CYHook *hook : GetHooks())
- if (hook->CallFunction != NULL) {
- // XXX: this only supports one hook, but it is a bad idea anyway
- (*hook->CallFunction)(context, cif, function, value, values);
- goto from;
- }
- ffi_call(cif, function, value, values);
+ if (hook->CallFunction != NULL)
+ call = hook->CallFunction;
- from:
+ call(pool, context, cif, function, value, values);
return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
}
}
}
+static JSObjectRef CString_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 CString constructor");
+ char *value(CYCastPointer<char *>(context, arguments[0]));
+ return CYMakeCString(context, value, NULL);
+} CYCatch(NULL) }
+
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 Pointer constructor");
} CYCatch(NULL) }
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);
+
+ if (false) {
+ } else if (count == 1) {
+ const char *type(CYPoolCString(pool, context, arguments[0]));
+ return CYMakeType(context, type);
+ } else if (count == 2) {
+ JSObjectRef types(CYCastJSObject(context, arguments[0]));
+ size_t count(CYArrayLength(context, types));
+
+ JSObjectRef names(CYCastJSObject(context, arguments[1]));
+
+ sig::Type type;
+ type.name = NULL;
+ type.flags = 0;
+
+ type.primitive = sig::struct_P;
+ type.data.signature.elements = new(pool) sig::Element[count];
+ type.data.signature.count = count;
+
+ for (size_t i(0); i != count; ++i) {
+ sig::Element &element(type.data.signature.elements[i]);
+ element.offset = _not(size_t);
+
+ JSValueRef name(CYArrayGet(context, names, i));
+ if (JSValueIsUndefined(context, name))
+ element.name = NULL;
+ else
+ element.name = CYPoolCString(pool, context, name);
+
+ JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
+ _assert(JSValueIsObjectOfClass(context, object, Type_privateData::Class_));
+ Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
+ element.type = internal->type_;
+ }
+
+ return CYMakeType(context, &type);
+ } else {
+ throw CYJSError(context, "incorrect number of arguments to Type constructor");
+ }
} CYCatch(NULL) }
static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Primitive primitive, JSValueRef *exception) { CYTry {
return CYMakeFunctor(context, arguments[0], signature);
} CYCatch(NULL) }
+static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
+
+ sig::Type type;
+ type.name = NULL;
+ type.flags = 0;
+
+ type.primitive = sig::char_P;
+ type.data.data.type = NULL;
+ type.data.data.size = 0;
+
+ return CYMakePointer(context, internal->value_, _not(size_t), &type, NULL, NULL);
+} CYCatch(NULL) }
+
+static JSValueRef Functor_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ CYPool pool;
+ cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
+
+ sig::Type type;
+ type.name = NULL;
+ type.flags = 0;
+
+ type.primitive = sig::function_P;
+ sig::Copy(pool, type.data.signature, internal->signature_);
+
+ return CYMakePointer(context, internal->value_, _not(size_t), &type, NULL, NULL);
+} CYCatch(NULL) }
+
+static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ return _this;
+} CYCatch(NULL) }
+
static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
JSObjectRef toCYON(CYCastJSObject(context, CYGetProperty(context, Array, toCYON_s)));
return CYCallAsFunction(context, toCYON, _this, count, arguments);
} else if (internal->type_->type_ == NULL) pointer: {
- char string[32];
- sprintf(string, "%p", internal->value_);
- return CYCastJSValue(context, string);
- } try {
+ CYLocalPool pool;
+ std::ostringstream str;
+
+ sig::Type type;
+ type.name = NULL;
+ type.flags = 0;
+
+ type.primitive = sig::pointer_P;
+ type.data.data.type = internal->type_->type_;
+ type.data.data.size = 0;
+
+ CYOptions options;
+ CYOutput output(*str.rdbuf(), options);
+ (new(pool) CYTypeExpression(Decode(pool, &type)))->Output(output, CYNoFlags);
+
+ str << "(" << internal->value_ << ")";
+ std::string value(str.str());
+ return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
+ } else try {
JSValueRef value(CYGetProperty(context, _this, cyi_s));
if (JSValueIsUndefined(context, value))
goto pointer;
}
} CYCatch(NULL) }
+static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+ CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
+ char *string(static_cast<char *>(internal->value_));
+ return CYCastJSValue(context, strlen(string));
+} CYCatch(NULL) }
+
+static JSValueRef CString_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+ sig::Type type;
+ type.name = NULL;
+ type.flags = 0;
+
+ type.primitive = sig::char_P;
+ type.data.data.type = NULL;
+ type.data.data.size = 0;
+
+ return CYMakeType(context, &type);
+} CYCatch(NULL) }
+
static JSValueRef Pointer_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
return CYMakeType(context, internal->type_->type_);
} CYCatch(NULL) }
+static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
+ const char *string(static_cast<const char *>(internal->value_));
+ std::ostringstream str;
+ str << "&";
+ CYStringify(str, string, strlen(string), true);
+ std::string value(str.str());
+ return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
+} CYCatch(NULL) }
+
+static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
+ const char *string(static_cast<const char *>(internal->value_));
+ return CYCastJSValue(context, string);
+} CYCatch(NULL) }
+
static JSValueRef Functor_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
return CYMakeType(context, &internal->signature_);
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<Type_privateData *>(JSObjectGetPrivate(_this)));
CYLocalPool pool;
- std::ostringstream out;
+ std::stringbuf out;
CYOptions options;
CYOutput output(out, options);
- (new(pool) CYEncodedType(Decode(pool, internal->type_)))->Output(output, CYNoFlags);
+ (new(pool) CYTypeExpression(Decode(pool, internal->type_)))->Output(output, CYNoFlags);
return CYCastJSValue(context, CYJSString(out.str().c_str()));
} CYCatch(NULL) }
return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
}
-static JSStaticFunction Pointer_staticFunctions[4] = {
+static JSStaticFunction CString_staticFunctions[6] = {
+ {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {NULL, NULL, 0}
+};
+
+static JSStaticValue CString_staticValues[3] = {
+ {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"type", &CString_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {NULL, NULL, NULL, 0}
+};
+
+static JSStaticFunction Pointer_staticFunctions[5] = {
{"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{NULL, NULL, 0}
};
{NULL, NULL, 0}
};
-static JSStaticFunction Functor_staticFunctions[4] = {
+static JSStaticFunction Functor_staticFunctions[5] = {
{"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+ {"toPointer", &Functor_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
{NULL, NULL, 0}
};
static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
-void CYSetArgs(int argc, const char *argv[]) {
+_visible void CYSetArgs(int argc, const char *argv[]) {
JSContextRef context(CYGetJSContext());
JSValueRef args[argc];
for (int i(0); i != argc; ++i)
}
};
-const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
- JSValueRef exception(NULL);
+static volatile bool cancel_;
- ExecutionHandle handle(context);
+static bool CYShouldTerminate(JSContextRef context, void *arg) {
+ return cancel_;
+}
- JSValueRef result; try {
- result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
- } catch (const char *error) {
- return error;
- }
+_visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
+ ExecutionHandle handle(context);
- if (exception != NULL) error:
- return CYPoolCString(pool, context, CYJSString(context, exception));
+ cancel_ = false;
+ if (&JSContextGroupSetExecutionTimeLimit != NULL)
+ JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
- if (JSValueIsUndefined(context, result))
- return NULL;
+ try {
+ JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
+ if (JSValueIsUndefined(context, result))
+ return NULL;
- const char *json; try {
std::set<void *> objects;
- json = CYPoolCCYON(pool, context, result, objects, &exception);
- } catch (const char *error) {
- return error;
- }
+ const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
+ CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
- if (exception != NULL)
- goto error;
-
- CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
+ return json;
+ } catch (const CYException &error) {
+ return pool.strcat("throw ", error.PoolCString(pool), NULL);
+ }
+}
- return json;
+_visible void CYCancel() {
+ cancel_ = true;
}
static bool initialized_ = false;
definition.finalize = &CYFinalize;
Context_ = JSClassCreate(&definition);
+ definition = kJSClassDefinitionEmpty;
+ definition.className = "CString";
+ definition.staticFunctions = CString_staticFunctions;
+ definition.staticValues = CString_staticValues;
+ definition.getProperty = &CString_getProperty;
+ definition.setProperty = &CString_setProperty;
+ definition.finalize = &CYFinalize;
+ CString_ = JSClassCreate(&definition);
+
definition = kJSClassDefinitionEmpty;
definition.className = "Functor";
definition.staticFunctions = cy::Functor::StaticFunctions;
toJSON_s = JSStringCreateWithUTF8CString("toJSON");
toPointer_s = JSStringCreateWithUTF8CString("toPointer");
toString_s = JSStringCreateWithUTF8CString("toString");
+ weak_s = JSStringCreateWithUTF8CString("weak");
Result_ = JSStringCreateWithUTF8CString("_");
return CYPoolCCYON(pool, context_, value_, objects);
}
-JSValueRef CYJSError::CastJSValue(JSContextRef context) const {
- // XXX: what if the context is different?
+JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
+ // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
return value_;
}
-JSValueRef CYCastJSError(JSContextRef context, const char *message) {
- JSObjectRef Error(CYGetCachedObject(context, CYJSString("Error")));
+JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
+ JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
JSValueRef arguments[1] = {CYCastJSValue(context, message)};
return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
}
-JSValueRef CYPoolError::CastJSValue(JSContextRef context) const {
- return CYCastJSError(context, message_);
+JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
+ return CYCastJSError(context, name, message_);
}
CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
const char *message(pool.vsprintf(64, format, args));
va_end(args);
- value_ = CYCastJSError(context, message);
+ value_ = CYCastJSError(context, "Error", message);
}
JSGlobalContextRef CYGetJSContext(JSContextRef context) {
return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
}
-extern "C" bool CydgetMemoryParse(const uint16_t **data, size_t *size);
+struct CYFile {
+ void *data_;
+ size_t size_;
+
+ CYFile(void *data, size_t size) :
+ data_(data),
+ size_(size)
+ {
+ }
+};
+
+static void CYFileExit(void *data) {
+ CYFile *file(reinterpret_cast<CYFile *>(data));
+ _syscall(munmap(file->data_, file->size_));
+}
-void *CYMapFile(const char *path, size_t *psize) {
- int fd(_syscall_(open(path, O_RDONLY), 1, {ENOENT}));
+static void *CYPoolFile(CYPool &pool, const char *path, size_t *psize) {
+ int fd(_syscall_(open(path, O_RDONLY), 1, ENOENT));
if (fd == -1)
return NULL;
void *base;
_syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
+ CYFile *file(new (pool) CYFile(base, size));
+ pool.atexit(&CYFileExit, file);
+
_syscall(close(fd));
return base;
}
-static JSValueRef require(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
- _assert(count == 1);
- CYPool pool;
+static CYUTF8String CYPoolFileUTF8String(CYPool &pool, const char *path) {
+ CYUTF8String data;
+ data.data = reinterpret_cast<char *>(CYPoolFile(pool, path, &data.size));
+ return data;
+}
+static const char *CYPoolLibraryPath(CYPool &pool) {
Dl_info addr;
- _assert(dladdr(reinterpret_cast<void *>(&require), &addr) != 0);
+ _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
char *lib(pool.strdup(addr.dli_fname));
char *slash(strrchr(lib, '/'));
_assert(slash != NULL);
*slash = '\0';
+ return lib;
+}
+
+static JSValueRef require(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+ _assert(count == 1);
+ CYPool pool;
+
+ const char *lib(CYPoolLibraryPath(pool));
+
CYJSString property("exports");
JSObjectRef module;
if (!JSValueIsUndefined(context, cache))
module = CYCastJSObject(context, cache);
else {
- CYUTF8String code;
- code.data = reinterpret_cast<char *>(CYMapFile(path, &code.size));
+ CYUTF8String code(CYPoolFileUTF8String(pool, path));
if (code.data == NULL) {
if (strchr(name, '/') == NULL && (
std::stringstream wrap;
wrap << "(function (exports, require, module) { " << code << "\n});";
- code = CYPoolCode(pool, wrap);
+ code = CYPoolCode(pool, *wrap.rdbuf());
JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
JSObjectRef function(CYCastJSObject(context, value));
return CYGetProperty(context, module, property);
} CYCatch(NULL) }
+static bool CYRunScript(JSGlobalContextRef context, const char *path) {
+ CYPool pool;
+ CYUTF8String code(CYPoolFileUTF8String(pool, path));
+ if (code.data == NULL)
+ return false;
+
+ CYStream stream(code.data, code.data + code.size);
+ code = CYPoolCode(pool, stream);
+ _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
+ return true;
+}
+
+extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
+}
+
extern "C" void CYSetupContext(JSGlobalContextRef context) {
CYInitializeDynamic();
JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
+
+ JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
+ CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
/* }}} */
CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
CYSetProperty(context, global, CYJSString("Cycript"), cycript);
+ CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
+ JSObjectRef CString(JSObjectMakeConstructor(context, CString_, &CString_new));
+ CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
+ CYSetProperty(context, cycript, CYJSString("CString"), CString);
+
JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)), Function_prototype);
CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
CYSetPrototype(context, last, all);
}
- CYSetProperty(context, global, CYJSString("$cyq"), &$cyq, kJSPropertyAttributeDontEnum);
-
JSObjectRef System(JSObjectMake(context, NULL, NULL));
CYSetProperty(context, cy, CYJSString("System"), System);
//CYSetProperty(context, System, CYJSString("global"), global);
CYSetProperty(context, System, CYJSString("print"), &System_print);
+#ifdef __APPLE__
+ if (&JSWeakObjectMapCreate != NULL) {
+ JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
+ CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
+ }
+#endif
+
if (CYBridgeEntry *entry = CYBridgeHash("1dlerror", 8))
entry->cache_ = new cy::Functor(entry->value_, reinterpret_cast<void (*)()>(&dlerror));
+ CYRunScript(context, "libcycript.cy");
+
for (CYHook *hook : GetHooks())
if (hook->SetupContext != NULL)
(*hook->SetupContext)(context);
static JSGlobalContextRef context_;
-JSGlobalContextRef CYGetJSContext() {
+_visible JSGlobalContextRef CYGetJSContext() {
CYInitializeDynamic();
if (context_ == NULL) {
return context_;
}
-void CYDestroyContext() {
+_visible void CYDestroyContext() {
if (context_ == NULL)
return;
JSGlobalContextRelease(context_);
projects / cycript.git / blobdiff