X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/0cbeddf886b3e6d732c96a8f6a578a755e7ddf66..ed35b2d30b2d7f336d94bbab59f114a21064ad58:/Library.cpp

diff --git a/Library.cpp b/Library.cpp
index 1259aeb..174ca67 100644
--- a/Library.cpp
+++ b/Library.cpp
@@ -1,102 +1,69 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2013  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  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 <http://www.gnu.org/licenses/>.
+ * 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 <http://www.gnu.org/licenses/>.
 **/
 /* }}} */
 
-#include <dlfcn.h>
-#include <iconv.h>
-
 #include "cycript.hpp"
 
-#include "Pooling.hpp"
-
-#include <sys/mman.h>
-
 #include <iostream>
-#include <ext/stdio_filebuf.h>
 #include <set>
 #include <map>
-#include <iomanip>
 #include <sstream>
-#include <cmath>
 
-#include "Parser.hpp"
-#include "Cycript.tab.hh"
+#include <dlfcn.h>
+
+#include <sys/mman.h>
 
+#include "Code.hpp"
+#include "ConvertUTF.h"
+#include "Driver.hpp"
 #include "Error.hpp"
-#include "String.hpp"
 #include "Execute.hpp"
-#include "JavaScript.hpp"
+#include "Pooling.hpp"
+#include "String.hpp"
+#include "Syntax.hpp"
 
 /* C Strings {{{ */
-template <typename Type_>
-_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<Type_>(inbuf), inbytesleft, outbuf, outbytesleft);
-}
-
-#ifdef __GLIBC__
-#define UCS_2_INTERNAL "UCS-2"
-#else
-#define UCS_2_INTERNAL "UCS-2-INTERNAL"
-#endif
-
 CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF16String utf16) {
-    const char *in(reinterpret_cast<const char *>(utf16.data));
-
-    iconv_t conversion(_syscall(iconv_open("UTF-8", UCS_2_INTERNAL)));
-
     // XXX: this is wrong
     size_t size(utf16.size * 5);
-    char *out(new(pool) char[size]);
-    CYUTF8String utf8(out, size);
-
-    size = utf16.size * 2;
-    _syscall(iconv_(&iconv, conversion, const_cast<char **>(&in), &size, &out, &utf8.size));
+    char *temp(new(pool) char[size + 1]);
 
-    *out = '\0';
-    utf8.size = out - utf8.data;
+    const uint16_t *lhs(utf16.data);
+    uint8_t *rhs(reinterpret_cast<uint8_t *>(temp));
+    _assert(ConvertUTF16toUTF8(&lhs, lhs + utf16.size, &rhs, rhs + size, lenientConversion) == conversionOK);
 
-    _syscall(iconv_close(conversion));
-
-    return utf8;
+    *rhs = 0;
+    return CYUTF8String(temp, reinterpret_cast<char *>(rhs) - temp);
 }
 
 CYUTF16String CYPoolUTF16String(CYPool &pool, CYUTF8String utf8) {
-    const char *in(utf8.data);
-
-    iconv_t conversion(_syscall(iconv_open(UCS_2_INTERNAL, "UTF-8")));
-
     // XXX: this is wrong
     size_t size(utf8.size * 5);
-    uint16_t *temp(new (pool) uint16_t[size]);
-    CYUTF16String utf16(temp, size * 2);
-    char *out(reinterpret_cast<char *>(temp));
-
-    size = utf8.size;
-    _syscall(iconv_(&iconv, conversion, const_cast<char **>(&in), &size, &out, &utf16.size));
+    uint16_t *temp(new (pool) uint16_t[size + 1]);
 
-    utf16.size = reinterpret_cast<uint16_t *>(out) - utf16.data;
-    temp[utf16.size] = 0;
+    const uint8_t *lhs(reinterpret_cast<const uint8_t *>(utf8.data));
+    uint16_t *rhs(temp);
+    _assert(ConvertUTF8toUTF16(&lhs, lhs + utf8.size, &rhs, rhs + size, lenientConversion) == conversionOK);
 
-    _syscall(iconv_close(conversion));
-
-    return utf16;
+    *rhs = 0;
+    return CYUTF16String(temp, rhs - temp);
 }
 /* }}} */
 /* Index Offsets {{{ */
@@ -131,58 +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);
@@ -205,101 +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));
+_visible bool CYStartsWith(const CYUTF8String &haystack, const CYUTF8String &needle) {
+    return haystack.size >= needle.size && strncmp(haystack.data, needle.data, needle.size) == 0;
 }
 
-size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
-    return CYCastDouble(context, CYGetProperty(context, array, length_s));
-}
-
-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<uint16_t *>(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);
-}