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xslBase.c
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xslBase.c
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/*
* Copyright (c) 2016-2017 Moddable Tech, Inc.
*
* This file is part of the Moddable SDK Tools.
*
* The Moddable SDK Tools 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.
*
* The Moddable SDK Tools 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 the Moddable SDK Tools. If not, see <http://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright (C) 2010-2016 Marvell International Ltd.
* Copyright (C) 2002-2010 Kinoma, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "xsl.h"
#define MD5_NUMSTATE 4
#define MD5_DGSTSIZE (MD5_NUMSTATE * 4)
#define MD5_BLKSIZE 64
typedef struct sxMD5 txMD5;
struct sxMD5 {
uint64_t len;
uint32_t state[MD5_NUMSTATE];
uint8_t buf[MD5_BLKSIZE];
};
static txString fxBasePrefix(txLinker* linker, txString path);
static void fxMapCode(txLinker* linker, txLinkerScript* script, txID* theIDs);
static void fxMapHosts(txLinker* linker, txLinkerScript* script, txID* theIDs);
static txID* fxMapSymbols(txLinker* linker, txS1* symbolsBuffer, txFlag flag);
static void fxReferenceLinkerSymbol(txLinker* linker, txID id);
static void fxRemapCode(txLinker* linker, txLinkerScript* script);
static void md5_create(txMD5 *s);
static void md5_update(txMD5 *s, const void *data, uint32_t size);
static void md5_fin(txMD5 *s, uint8_t *dgst);
static txInteger gxCodeUsages[XS_CODE_COUNT];
static txCallback gxTypeCallbacks[1 + mxTypeArrayCount] = {
fx_TypedArray,
fx_BigInt64Array,
fx_BigUint64Array,
fx_Float32Array,
fx_Float64Array,
fx_Int8Array,
fx_Int16Array,
fx_Int32Array,
fx_Uint8Array,
fx_Uint16Array,
fx_Uint32Array,
fx_Uint8ClampedArray,
};
static int gxTypeCallbacksIndex = 0;
void fx_BigInt64Array(txMachine* the) { fx_TypedArray(the); }
void fx_BigUint64Array(txMachine* the) { fx_TypedArray(the); }
void fx_Float32Array(txMachine* the) { fx_TypedArray(the); }
void fx_Float64Array(txMachine* the) { fx_TypedArray(the); }
void fx_Int8Array(txMachine* the) { fx_TypedArray(the); }
void fx_Int16Array(txMachine* the) { fx_TypedArray(the); }
void fx_Int32Array(txMachine* the) { fx_TypedArray(the); }
void fx_Uint8Array(txMachine* the) { fx_TypedArray(the); }
void fx_Uint16Array(txMachine* the) { fx_TypedArray(the); }
void fx_Uint32Array(txMachine* the) { fx_TypedArray(the); }
void fx_Uint8ClampedArray(txMachine* the) { fx_TypedArray(the); }
txString fxBasePrefix(txLinker* linker, txString path)
{
if ((path[0] == '~') && (path[1] == '.')) {
txString slash = c_strchr(path + 2, mxSeparator);
if (slash) {
*slash = ':';
path += 2;
}
}
return path;
}
void fxBaseResource(txLinker* linker, txLinkerResource* resource, txString base, txInteger baseLength)
{
if (c_strncmp(resource->path, base, baseLength))
fxReportLinkerError(linker, "'%s': not relative to '%s'", resource->path, base);
resource->path += baseLength;
resource->pathSize = mxStringLength(resource->path) + 1;
}
void fxBaseScript(txLinker* linker, txLinkerScript* script, txString base, txInteger baseLength)
{
if (c_strncmp(script->path, base, baseLength))
fxReportLinkerError(linker, "'%s': not relative to '%s'", script->path, base);
script->path = fxBasePrefix(linker, script->path + baseLength);
script->pathSize = mxStringLength(script->path) - 4;
script->path[script->pathSize] = 0;
script->pathSize++;
script->scriptIndex = linker->scriptCount;
linker->scriptCount++;
}
void fxBufferMaps(txLinker* linker)
{
txSize size;
txLinkerScript* script;
size = linker->mapIndex * sizeof(txID);
linker->mapsBuffer = fxNewLinkerChunk(linker, size);
linker->mapsSize = size;
linker->map = linker->mapsBuffer;
script = linker->firstScript;
while (script) {
fxRemapCode(linker, script);
script = script->nextScript;
}
}
void fxBufferSymbols(txLinker* linker)
{
txByte* p;
txS2 c, i;
txLinkerSymbol** address;
txInteger size;
c = (txS2)(linker->symbolIndex);
size = 2;
address = &linker->symbolArray[0];
for (i = 0; i < c; i++) {
size += (*address)->length;
address++;
}
linker->symbolsBuffer = fxNewLinkerChunk(linker, size);
linker->symbolsSize = size;
p = linker->symbolsBuffer;
mxEncode2(p, c);
address = &(linker->symbolArray[0]);
for (i = 0; i < c; i++) {
c_memcpy(p, (*address)->string, (*address)->length);
p += (*address)->length;
address++;
}
}
void fxDefaultSymbols(txLinker* linker)
{
int i;
for (i = 0; i < XS_ID_COUNT; i++) {
fxNewLinkerSymbol(linker, gxIDStrings[i], 0);
}
}
txLinkerCallback* fxGetLinkerCallbackByAddress(txLinker* linker, txCallback which)
{
txLinkerCallback* linkerCallback = linker->firstCallback;
while (linkerCallback) {
if (linkerCallback->callback == which)
return linkerCallback;
linkerCallback = linkerCallback->nextCallback;
}
return NULL;
}
txLinkerCallback* fxGetLinkerCallbackByName(txLinker* linker, txString name)
{
txLinkerCallback* linkerCallback = linker->firstCallback;
while (linkerCallback) {
if (!c_strcmp(linkerCallback->name, name))
return linkerCallback;
linkerCallback = linkerCallback->nextCallback;
}
return NULL;
}
void fxInitializeLinker(txLinker* linker)
{
c_memset(gxCodeUsages, 0, sizeof(gxCodeUsages));
c_memset(linker, 0, sizeof(txLinker));
linker->dtoa = fxNew_dtoa(NULL);
linker->symbolModulo = 1993;
linker->symbolCount = 0x10000;
linker->symbolArray = fxNewLinkerChunkClear(linker, linker->symbolCount * sizeof(txLinkerSymbol*));
linker->symbolIndex = 0;
linker->creation.initialChunkSize = 32768;
linker->creation.incrementalChunkSize = 1024;
linker->creation.initialHeapCount = 2048;
linker->creation.incrementalHeapCount = 64;
linker->creation.stackCount = 512;
linker->creation.initialKeyCount = 256;
linker->creation.incrementalKeyCount = 0;
linker->creation.nameModulo = 127;
linker->creation.symbolModulo = 127;
c_strcpy(linker->main, "main");
}
txBoolean fxIsCIdentifier(txLinker* linker, txString string)
{
static char gxIdentifierSet[128] = {
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1x */
0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0, /* 2x !"#$%&'()*+,-./ */
1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0, /* 3x 0123456789:;<=>? */
0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4x @ABCDEFGHIJKLMNO */
1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1, /* 5X PQRSTUVWXYZ[\]^_ */
0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6x `abcdefghijklmno */
1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0 /* 7X pqrstuvwxyz{|}~ */
};
txU1 c;
while ((c = *((txU1*)string))) {
if ((c > 127) || (gxIdentifierSet[c] == 0))
return 0;
string++;
}
return 1;
}
txBoolean fxIsCodeUsed(txU1 code)
{
return (gxCodeUsages[code] > 0) ? 1 : 0;
}
void fxMapCode(txLinker* linker, txLinkerScript* script, txID* theIDs)
{
register const txS1* sizes = gxCodeSizes;
register txByte* p = script->codeBuffer;
register txByte* q = p + script->codeSize;
register txS1 offset;
txU1 code;
txU2 index;
txID id;
while (p < q) {
code = *((txU1*)p);
if (script->preload == C_NULL) {
if (XS_CODE_CODE_1 == code)
*((txU1*)p) = code = XS_CODE_CODE_ARCHIVE_1;
else if (XS_CODE_CODE_2 == code)
*((txU1*)p) = code = XS_CODE_CODE_ARCHIVE_2;
else if (XS_CODE_CODE_4 == code)
*((txU1*)p) = code = XS_CODE_CODE_ARCHIVE_4;
else if (XS_CODE_STRING_1 == code)
*((txU1*)p) = code = XS_CODE_STRING_ARCHIVE_1;
else if (XS_CODE_STRING_2 == code)
*((txU1*)p) = code = XS_CODE_STRING_ARCHIVE_2;
else if (XS_CODE_STRING_4 == code)
*((txU1*)p) = code = XS_CODE_STRING_ARCHIVE_4;
}
gxCodeUsages[code]++;
offset = (txS1)sizes[code];
if (0 < offset) {
if (linker->profileID && (XS_CODE_PROFILE == code)) {
p++;
id = linker->profileID;
linker->profileID++;
mxEncodeID(p, id);
}
else
p += offset;
}
else if (0 == offset) {
p++;
mxDecodeID(p, id);
id = theIDs[id];
p -= sizeof(txID);
mxEncodeID(p, id);
linker->mapIndex++;
if ((XS_CODE_GET_PROPERTY == code) || (XS_CODE_GET_SUPER == code) || (XS_CODE_GET_THIS_VARIABLE == code) || (XS_CODE_GET_VARIABLE == code))
fxReferenceLinkerSymbol(linker, id);
}
else if (-1 == offset) {
p++;
index = *((txU1*)p);
p += 1 + index;
}
else if (-2 == offset) {
p++;
mxDecode2(p, index);
p += index;
}
else if (-4 == offset) {
p++;
mxDecode4(p, index);
p += index;
}
}
}
void fxMapHosts(txLinker* linker, txLinkerScript* script, txID* theIDs)
{
txByte* p = script->hostsBuffer;
if (p) {
txID c, i, id;
mxDecodeID(p, c);
for (i = 0; i < c; i++) {
p++;
mxDecodeID(p, id);
if (id != XS_NO_ID) {
id = theIDs[id];
p -= sizeof(txID);
mxEncodeID(p, id);
}
p += mxStringLength((char*)p) + 1;
}
linker->hostsCount += c;
}
}
void fxMapScript(txLinker* linker, txLinkerScript* script)
{
txID* symbols = fxMapSymbols(linker, script->symbolsBuffer, 0);
fxMapCode(linker, script, symbols);
fxMapHosts(linker, script, symbols);
}
txID* fxMapSymbols(txLinker* linker, txS1* symbolsBuffer, txFlag flag)
{
txID* symbols = C_NULL;
txByte* p = symbolsBuffer;
txID c, i;
mxDecodeID(p, c);
symbols = fxNewLinkerChunk(linker, c * sizeof(txID*));
symbols[0] = XS_NO_ID;
for (i = 1; i < c; i++) {
txLinkerSymbol* symbol = fxNewLinkerSymbol(linker, (txString)p, flag);
symbols[i] = symbol->ID;
p += mxStringLength((char*)p) + 1;
}
return symbols;
}
txHostFunctionBuilder* fxNewLinkerBuilder(txLinker* linker, txCallback callback, txInteger length, txID id)
{
txLinkerBuilder* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerBuilder));
result->builderIndex = linker->builderCount;
linker->builderCount++;
if (linker->lastBuilder)
linker->lastBuilder->nextBuilder = result;
else
linker->firstBuilder = result;
linker->lastBuilder = result;
result->host.callback = callback;
result->host.length = length;
result->host.id = id;
return &(result->host);
}
txCallback fxNewLinkerCallback(txMachine* the, txCallback callback, txString name)
{
txLinker* linker = (txLinker*)(the->context);
txLinkerCallback* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerCallback));
result->nextCallback = linker->firstCallback;
linker->firstCallback = result;
if (callback == fx_TypedArray)
result->callback = gxTypeCallbacks[gxTypeCallbacksIndex++];
else
result->callback = callback;
result->name = name;
return result->callback;
}
void* fxNewLinkerChunk(txLinker* linker, txSize size)
{
txLinkerChunk* block = c_malloc(sizeof(txLinkerChunk) + size);
mxThrowElse(block);
block->nextChunk = linker->firstChunk;
linker->firstChunk = block;
return block + 1;
}
void* fxNewLinkerChunkClear(txLinker* linker, txSize size)
{
void* result = fxNewLinkerChunk(linker, size);
c_memset(result, 0, size);
return result;
}
txLinkerInclude* fxNewLinkerInclude(txLinker* linker, txString path)
{
txLinkerInclude* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerInclude));
result->path = fxNewLinkerString(linker, path, mxStringLength(path));
return result;
}
txLinkerPreload* fxNewLinkerPreload(txLinker* linker, txString name)
{
txLinkerPreload* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerPreload));
result->name = fxNewLinkerString(linker, name, mxStringLength(name));
result->name = fxBasePrefix(linker, result->name);
name = c_strrchr(result->name, '.');
if (name && (!c_strcmp(name, ".js") || !c_strcmp(name, ".mjs") || !c_strcmp(name, ".xsb")))
*name = 0;
return result;
}
txLinkerResource* fxNewLinkerResource(txLinker* linker, txString path, FILE** fileAddress)
{
txLinkerResource* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerResource));
FILE* aFile = NULL;
result->path = fxNewLinkerString(linker, path, mxStringLength(path));
aFile = fopen(path, "rb");
mxThrowElse(aFile);
*fileAddress = aFile;
fseek(aFile, 0, SEEK_END);
result->dataSize = ftell(aFile);
fseek(aFile, 0, SEEK_SET);
result->dataBuffer = fxNewLinkerChunk(linker, result->dataSize);;
mxThrowElse(fread(result->dataBuffer, result->dataSize, 1, aFile) == 1);
fclose(aFile);
*fileAddress = NULL;
return result;
}
txLinkerScript* fxNewLinkerScript(txLinker* linker, txString path, FILE** fileAddress)
{
txLinkerScript* script = NULL;
FILE* aFile = NULL;
Atom atom;
txByte version[4];
script = fxNewLinkerChunkClear(linker, sizeof(txLinkerScript));
script->path = fxNewLinkerString(linker, path, mxStringLength(path));
aFile = fopen(path, "rb");
mxThrowElse(aFile);
*fileAddress = aFile;
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_BINARY);
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_VERSION);
mxThrowElse(fread(version, sizeof(version), 1, aFile) == 1);
mxAssert(version[0] == XS_MAJOR_VERSION);
mxAssert(version[1] == XS_MINOR_VERSION);
mxAssert(version[3] != 1);
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_SYMBOLS);
script->symbolsSize = atom.atomSize - sizeof(atom);
script->symbolsBuffer = fxNewLinkerChunk(linker, script->symbolsSize);
mxThrowElse(fread(script->symbolsBuffer, script->symbolsSize, 1, aFile) == 1);
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_CODE);
script->codeSize = atom.atomSize - sizeof(atom);
script->codeBuffer = fxNewLinkerChunk(linker, script->codeSize);
mxThrowElse(fread(script->codeBuffer, script->codeSize, 1, aFile) == 1);
if (version[3] == -1) {
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_HOSTS);
script->hostsSize = atom.atomSize - sizeof(atom);
script->hostsBuffer = fxNewLinkerChunk(linker, script->hostsSize);
mxThrowElse(fread(script->hostsBuffer, script->hostsSize, 1, aFile) == 1);
}
fclose(aFile);
*fileAddress = NULL;
return script;
}
txString fxNewLinkerString(txLinker* linker, txString buffer, txSize size)
{
txString result = fxNewLinkerChunk(linker, size + 1);
c_memcpy(result, buffer, size);
result[size] = 0;
return result;
}
txLinkerStrip* fxNewLinkerStrip(txLinker* linker, txString name)
{
txLinkerStrip* result = fxNewLinkerChunkClear(linker, sizeof(txLinkerStrip));
result->name = fxNewLinkerString(linker, name, mxStringLength(name));
return result;
}
txLinkerSymbol* fxNewLinkerSymbol(txLinker* linker, txString theString, txFlag flag)
{
txString aString;
txSize aLength;
txSize aSum;
txSize aModulo;
txLinkerSymbol* aSymbol;
txID anID;
aString = theString;
aLength = 0;
aSum = 0;
while(*aString != 0) {
aLength++;
aSum = (aSum << 1) + *aString++;
}
aSum &= 0x7FFFFFFF;
aModulo = aSum % linker->symbolModulo;
aSymbol = linker->symbolTable[aModulo];
while (aSymbol != C_NULL) {
if (aSymbol->sum == aSum)
if (c_strcmp(aSymbol->string, theString) == 0)
break;
aSymbol = aSymbol->next;
}
if (aSymbol == C_NULL) {
anID = linker->symbolIndex;
if (anID == linker->symbolCount) {
exit(1);
}
aSymbol = fxNewLinkerChunk(linker, sizeof(txLinkerSymbol));
aSymbol->next = linker->symbolTable[aModulo];
aSymbol->ID = anID;
aSymbol->length = aLength + 1;
aSymbol->string = fxNewLinkerString(linker, theString, aLength);
aSymbol->sum = aSum;
aSymbol->flag = flag;
linker->symbolArray[anID] = aSymbol;
linker->symbolTable[aModulo] = aSymbol;
linker->symbolIndex++;
}
else
aSymbol->flag |= flag;
return aSymbol;
}
void fxReadSymbols(txLinker* linker, txString path, txFlag flag, FILE** fileAddress)
{
FILE* aFile = NULL;
Atom atom;
txByte version[4];
txSize symbolsSize;
txS1* symbolsBuffer;
aFile = fopen(path, "rb");
mxThrowElse(aFile);
*fileAddress = aFile;
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_INCREMENTAL);
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_VERSION);
mxThrowElse(fread(version, sizeof(version), 1, aFile) == 1);
mxAssert(version[0] == XS_MAJOR_VERSION);
mxAssert(version[1] == XS_MINOR_VERSION);
mxThrowElse(fread(&atom, sizeof(atom), 1, aFile) == 1);
atom.atomSize = ntohl(atom.atomSize);
atom.atomType = ntohl(atom.atomType);
mxAssert(atom.atomType == XS_ATOM_SYMBOLS);
symbolsSize = atom.atomSize - sizeof(atom);
symbolsBuffer = fxNewLinkerChunk(linker, symbolsSize);
mxThrowElse(fread(symbolsBuffer, symbolsSize, 1, aFile) == 1);
fxMapSymbols(linker, symbolsBuffer, flag);
fclose(aFile);
*fileAddress = NULL;
}
txString fxRealDirectoryPath(txLinker* linker, txString path)
{
#if mxWindows
char buffer[C_PATH_MAX];
DWORD attributes;
if (_fullpath(buffer, path, C_PATH_MAX) != NULL) {
attributes = GetFileAttributes(buffer);
if ((attributes != 0xFFFFFFFF) && (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
strcat(buffer, "\\");
return fxNewLinkerString(linker, buffer, mxStringLength(buffer));
}
}
#else
char buffer[C_PATH_MAX];
struct stat a_stat;
if (realpath(path, buffer) != NULL) {
if (stat(buffer, &a_stat) == 0) {
if (S_ISDIR(a_stat.st_mode)) {
strcat(buffer, "/");
return fxNewLinkerString(linker, buffer, mxStringLength(buffer));
}
}
}
#endif
return NULL;
}
txString fxRealFilePath(txLinker* linker, txString path)
{
#if mxWindows
char buffer[C_PATH_MAX];
DWORD attributes;
if (_fullpath(buffer, path, C_PATH_MAX) != NULL) {
attributes = GetFileAttributes(buffer);
if ((attributes != 0xFFFFFFFF) && (!(attributes & FILE_ATTRIBUTE_DIRECTORY))) {
return fxNewLinkerString(linker, buffer, mxStringLength(buffer));
}
}
#else
char buffer[C_PATH_MAX];
struct stat a_stat;
if (realpath(path, buffer) != NULL) {
if (stat(buffer, &a_stat) == 0) {
if (S_ISREG(a_stat.st_mode)) {
return fxNewLinkerString(linker, buffer, mxStringLength(buffer));
}
}
}
#endif
return NULL;
}
void fxReferenceLinkerSymbol(txLinker* linker, txID id)
{
txLinkerSymbol* linkerSymbol = linker->symbolArray[id];
linkerSymbol->flag |= 1;
}
void fxRemapCode(txLinker* linker, txLinkerScript* script)
{
register const txS1* sizes = gxCodeSizes;
register txByte* p = script->codeBuffer;
register txByte* q = p + script->codeSize;
register txByte* r = (txByte*)linker->map;
register txS1 offset;
txU1 code;
txU2 index;
txID id;
while (p < q) {
code = *((txU1*)p);
offset = (txS1)sizes[code];
if (0 < offset) {
p += offset;
}
else if (0 == offset) {
p++;
mxDecodeID(p, id);
mxEncodeID(r, id);
p -= sizeof(txID);
id = XS_NO_ID;
mxEncodeID(p, id);
}
else if (-1 == offset) {
p++;
index = *((txU1*)p);
p += 1 + index;
}
else if (-2 == offset) {
p++;
mxDecode2(p, index);
p += index;
}
else if (-4 == offset) {
p++;
mxDecode4(p, index);
p += index;
}
}
linker->map = (txID*)r;
}
void fxReportLinkerError(txLinker* linker, txString theFormat, ...)
{
c_va_list arguments;
fprintf(stderr, "### ");
c_va_start(arguments, theFormat);
vfprintf(stderr, theFormat, arguments);
c_va_end(arguments);
fprintf(stderr, "!\n");
linker->error = C_EINVAL;
c_longjmp(linker->jmp_buf, 1);
}
void fxSlashPath(txString path, char from, char to)
{
txString s = path;
while (*s) {
if (*s == from)
*s = to;
s++;
}
}
void fxTerminateLinker(txLinker* linker)
{
txLinkerChunk* block = linker->firstChunk;
while (block) {
txLinkerChunk* nextChunk = block->nextChunk;
c_free(block);
block = nextChunk;
}
if (linker->dtoa)
fxDelete_dtoa(linker->dtoa);
// {
// txU1 code;
// for (code = 0; code < XS_CODE_COUNT; code++) {
// fprintf(stderr, "%s %d\n", gxCodeNames[code], gxCodeUsages[code]);
// }
//
// }
}
void fxUnuseCode(txU1 code)
{
gxCodeUsages[code] = 0;
}
void fxUseCodes()
{
c_memset(gxCodeUsages, 1, sizeof(gxCodeUsages));
}
void fxWriteArchive(txLinker* linker, txString path, FILE** fileAddress)
{
txSize identifiersSize;
void* identifiersBuffer;
FILE* file = NULL;
txMD5 md5;
txSize modsSize;
txSize padSize;
txLinkerScript* script;
txSize rsrcSize;
txLinkerResource* resource;
uint8_t signature[MD5_DGSTSIZE];
txSize size;
txByte byte;
identifiersSize = linker->symbolIndex * sizeof(txID);
identifiersBuffer = fxNewLinkerChunkClear(linker, identifiersSize);
file = fopen(path, "wb");
mxThrowElse(file);
*fileAddress = file;
md5_create(&md5);
md5_update(&md5, linker->name, linker->nameSize);
md5_update(&md5, linker->symbolsBuffer, linker->symbolsSize);
md5_update(&md5, linker->mapsBuffer, linker->mapsSize);
modsSize = 0;
script = linker->firstScript;
while (script) {
modsSize += 8 + script->pathSize;
md5_update(&md5, script->path, script->pathSize);
modsSize += 8 + script->codeSize;
md5_update(&md5, script->codeBuffer, script->codeSize);
script = script->nextScript;
}
size = 8
+ 8 + 4
+ 8 + sizeof(signature)
+ 8 + linker->nameSize
+ 8 + linker->symbolsSize
+ 8 + identifiersSize
+ 8 + linker->mapsSize
+ 8 + modsSize
+ 8;
rsrcSize = 0;
resource = linker->firstResource;
while (resource) {
rsrcSize += 8 + resource->pathSize;
size += 8 + resource->pathSize;
md5_update(&md5, resource->path, resource->pathSize);
if ((padSize = size % 4)) {
resource->padSize = 4 - padSize;
rsrcSize += resource->padSize;
size += resource->padSize;
}
rsrcSize += 8 + resource->dataSize;
size += 8 + resource->dataSize;
md5_update(&md5, resource->dataBuffer, resource->dataSize);
resource = resource->nextResource;
}
md5_fin(&md5, signature);
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("XS_A", 4, 1, file) == 1);
size = 8 + 4;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("VERS", 4, 1, file) == 1);
byte = XS_MAJOR_VERSION;
mxThrowElse(fwrite(&byte, 1, 1, file) == 1);
byte = XS_MINOR_VERSION;
mxThrowElse(fwrite(&byte, 1, 1, file) == 1);
byte = XS_PATCH_VERSION;
mxThrowElse(fwrite(&byte, 1, 1, file) == 1);
byte = 0;
mxThrowElse(fwrite(&byte, 1, 1, file) == 1);
size = 8 + sizeof(signature);
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("SIGN", 4, 1, file) == 1);
mxThrowElse(fwrite(signature, sizeof(signature), 1, file) == 1);
size = 8 + linker->nameSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("NAME", 4, 1, file) == 1);
mxThrowElse(fwrite(linker->name, linker->nameSize, 1, file) == 1);
size = 8 + linker->symbolsSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("SYMB", 4, 1, file) == 1);
mxThrowElse(fwrite(linker->symbolsBuffer, linker->symbolsSize, 1, file) == 1);
size = 8 + identifiersSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("IDEN", 4, 1, file) == 1);
mxThrowElse(fwrite(identifiersBuffer, identifiersSize, 1, file) == 1);
size = 8 + linker->mapsSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("MAPS", 4, 1, file) == 1);
mxThrowElse(fwrite(linker->mapsBuffer, linker->mapsSize, 1, file) == 1);
size = 8 + modsSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("MODS", 4, 1, file) == 1);
script = linker->firstScript;
while (script) {
size = 8 + script->pathSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("PATH", 4, 1, file) == 1);
mxThrowElse(fwrite(script->path, script->pathSize, 1, file) == 1);
size = 8 + script->codeSize;
modsSize += size;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("CODE", 4, 1, file) == 1);
mxThrowElse(fwrite(script->codeBuffer, script->codeSize, 1, file) == 1);
script = script->nextScript;
}
size = 8 + rsrcSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("RSRC", 4, 1, file) == 1);
resource = linker->firstResource;
while (resource) {
size = 8 + resource->pathSize + resource->padSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("PATH", 4, 1, file) == 1);
mxThrowElse(fwrite(resource->path, resource->pathSize, 1, file) == 1);
if (resource->padSize)
mxThrowElse(fwrite(signature, resource->padSize, 1, file) == 1);
size = 8 + resource->dataSize;
size = htonl(size);
mxThrowElse(fwrite(&size, 4, 1, file) == 1);
mxThrowElse(fwrite("DATA", 4, 1, file) == 1);
mxThrowElse(fwrite(resource->dataBuffer, resource->dataSize, 1, file) == 1);
resource = resource->nextResource;
}
fclose(file);
*fileAddress = NULL;
}
void fxWriteCData(FILE* file, void* data, txSize size)
{
unsigned char* p = data;
unsigned char c;
fprintf(file, "\"");
while (size) {
c = *p;
fprintf(file, "\\x%.2x", c);
p++;
size--;
}
fprintf(file, "\"");
}
void fxWriteCString(FILE* file, txString string)
{
unsigned char c;
fprintf(file, "\"");
while ((c = *((unsigned char *)string))) {
if (c == '\\')
fprintf(file, "\\\\");
else if (c == '"')
fprintf(file, "\\\"");
else if ((32 <= c) && (c < 128))
fprintf(file, "%c", (char)c);
else
fprintf(file, "\\x%.2x\"\"", c);
string++;
}
fprintf(file, "\"");
}
void fxWriteDefines(txLinker* linker, FILE* file)
{
txID c, i;
txLinkerSymbol** address;
c = linker->symbolIndex;
address = &(linker->symbolArray[0]);
for (i = 0; i < c; i++) {
if (fxIsCIdentifier(linker, (*address)->string))
fprintf(file, "#define xsID_%s %d\n", (*address)->string, (*address)->ID);
address++;
}
}
void fxWriteScriptCode(txLinkerScript* script, FILE* file)
{
if (script->preload == C_NULL) {
fprintf(file, "static const txU1 gxCode%d[%d] = {\n", script->scriptIndex, script->codeSize);
{
txU1* buffer = (txU1*)(script->codeBuffer);
txSize c = script->codeSize, i = 0;
fprintf(file, "\t");
for (;;) {
fprintf(file, "0x%02x", *buffer);
buffer++;
i++;
if (i == c)
break;
if (i % 16)
fprintf(file, ", ");
else
fprintf(file, ",\n\t");
}
fprintf(file, "\n");
}
fprintf(file, "};\n\n");
}
}
void fxWriteScriptExterns(txLinkerScript* script, FILE* file)
{
txByte* p = script->hostsBuffer;
if (p) {
txID c, i;
mxDecode2(p, c);
for (i = 0; i < c; i++) {
txS1 length = *p++;
p += 2;
if (length < 0)
fprintf(file, "extern void %s(void* data);\n", p);
else
fprintf(file, "extern void %s(xsMachine* the);\n", p);
p += mxStringLength((char*)p) + 1;
}
}
}
void fxWriteScriptHosts(txLinkerScript* script, FILE* file)
{
txByte* p = script->hostsBuffer;
if (p) {
txID c, i, id;
mxDecode2(p, c);
fprintf(file, "static const xsHostBuilder gxBuilders%d[%d] = {\n", script->scriptIndex, c);
for (i = 0; i < c; i++) {
txS1 length = *p++;
mxDecode2(p, id);
if (length < 0)
fprintf(file, "\t{ (xsCallback)%s, -1, -1 },\n", p);
else
fprintf(file, "\t{ %s, %d, %d },\n", p, length, id);
p += mxStringLength((char*)p) + 1;