void LuaInterface::newEnvironment()
{
newTable(); // pushes the new environment table
newTable(); // pushes the new environment metatable
getGlobalEnvironment(); // pushes the global environment
setField("__index"); // sets metatable __index to the global environment
setMetatable(); // assigns environment metatable
}
int LuaInterface::newSandboxEnv()
{
newTable(); // pushes the new environment table
newTable(); // pushes the new environment metatable
getRef(getGlobalEnvironment()); // pushes the global environment
setField("__index"); // sets metatable __index to the global environment
setMetatable(); // assigns environment metatable
return ref(); // return a reference to the environment table
}
int main(void)
{
HashTable ht = newTable(SIZE);
insertItem(ht, "Friend"); // insert items into ht
insertItem(ht, "Yolo");
insertItem(ht, "Lookin fors for the holidays");
showHashTable(ht);
removeItem(ht, "Friend"); // remove item in ht
removeItem(ht, "asbdfb"); // remove item not in ht
showHashTable(ht);
insertItem(ht, "Matthew");
insertItem(ht, "Matthew"); // collision
showHashTable(ht);
Item *it = searchItem(ht, "Matthew"); // search for item in ht
assert(it != NULL);
it = searchItem(ht, "friend"); // search for item not in ht
assert(it == NULL);
printf("it = %p\n", it);
ht = hashTableExpand(ht, 30);
showHashTable(ht);
disposeTable(ht);
return EXIT_SUCCESS;
}
void LuaInterface::registerSingletonClass(const std::string& className)
{
newTable();
pushValue();
setGlobal(className);
pop();
}
bool Environment::init() {
getGlobal("_E");
if (!isTable(-1)) {
newTable(regFunctions->length());
lua_setglobal(L, "_E");
}
pop(1);
loopv(*regFunctions) {
(*regFunctions)[i]();
}
delete regFunctions;
luvit_init(L, uv_default_loop());
#ifdef SERVER
/* Pull up the preload table */
select("package", "preload");
pushRow("native_server", server::lua::luaopen_server);
pop(2);
#endif
#ifdef LUA_PANIC_DEBUG
#pragma message("Using lua atpanic crasher.")
lua_atpanic(L, crash);
#endif
isInitialized = true;
return true;
}
int bestMoveForState(GameState* gs, int player, int other_player, int look_ahead) {
TranspositionTable* t1 = newTable();
GameTreeNode* n = newGameTreeNode(gs, player, other_player, 1, INT_MIN, INT_MAX, t1);
int move = getBestMove(n, look_ahead);
free(n);
freeTranspositionTable(t1);
return move;
}
// Adds the row to the next element of the string labelTable lt
struct labelTable * addRowToTable(struct labelTable * lt, struct labelTableRow *ltr)
{
if(lt->down != NULL)
ErrorDeal(TableRow, 0);
lt->down = newTable();
lt = lt->down;
lt->down = NULL;
lt->row = ltr;
return lt;
}
int main(int argc, char* argv[]){
int i;
//Checking command-line arguments
if(argc > 3){
printf("%s\n", USAGE);
return 1;
}else if(argc < 2){
fin = stdin;
}else if(argc == 2){
if(strcmp(argv[1], "-q") == 0){
verbose = 0;
fin = stdin;
}else{
fin = fopen(argv[1], "r");
if(!fin){
printf("%s\n", USAGE);
return 1;
}
}
}else if(argc == 2){
if(strcmp("-q", argv[1]) != 0){
printf("%s\n", USAGE);
return 1;
}
verbose = 0;
fin = fopen(argv[2], "r");
}
//Initializing the symbol table
symTable = newTable();
//Initializing the disjoint set for scopes
for(i = 0; i < MAX_CODE_LENGTH; i++)
scopeParent[i] = 0;
//Fetching the first token
readToken();
//Parsing the program
program();
//Generating code
printCode();
//END:
deleteTable(symTable);
return 0;
}
void LuaInterface::createLuaState()
{
// creates lua state
L = luaL_newstate();
if(!L)
g_logger.fatal("Unable to create lua state");
// load lua standard libraries
luaL_openlibs(L);
// load bit32 lib for bitwise operations
luaopen_bit32(L);
// creates weak table
newTable();
newTable();
pushString("v");
setField("__mode");
setMetatable();
m_weakTableRef = ref();
// installs script loader
getGlobal("package");
getField("loaders");
pushCFunction(&LuaInterface::luaScriptLoader);
rawSeti(5);
pop(2);
// replace dofile
pushCFunction(&LuaInterface::lua_dofile);
setGlobal("dofile");
// dofiles
pushCFunction(&LuaInterface::lua_dofiles);
setGlobal("dofiles");
// replace loadfile
pushCFunction(&LuaInterface::lua_loadfile);
setGlobal("loadfile");
}
void createTable(TableManager *tm, char *tableName) {
char *fileName = buildNameToTablesFiles(tm->path, tableName);
setArrayListObject(tm->names, (char *) fileName, tm->names->length);
Table *t = newTable(fileName);
setArrayListObject(tm->tables, (Table *) t, tm->tables->length);
InsertionHandler *ih = newInsertionHandler(t);
setArrayListObject(tm->insert, (InsertionHandler *) ih, tm->insert->length);
SelectionHandler *sh = newSelectionHandler(t);
setArrayListObject(tm->select, (SelectionHandler *) sh, tm->select->length);
DeletionHandler *dh = newDeletionHandler(t);
setArrayListObject(tm->deleter, (DeletionHandler *) dh, tm->deleter->length);
saveTables(tm);
}
void HistogramTablesFormatter::createTypeTable()
{
casacore::TableDesc tableDesc(TypeTableName() + "_TYPE", "1.0", casacore::TableDesc::Scratch);
tableDesc.comment() = "Couples the TYPE column in the QUALITY_HISTOGRAM_COUNT table to the name and polarization of the histogram";
tableDesc.addColumn(casacore::ScalarColumnDesc<int>(ColumnNameType, "Index of the statistic kind"));
tableDesc.addColumn(casacore::ScalarColumnDesc<int>(ColumnNamePolarization, "Index of the polarization corresponding to the main table"));
tableDesc.addColumn(casacore::ScalarColumnDesc<casacore::String>(ColumnNameName, "Name of the statistic"));
casacore::SetupNewTable newTableSetup(TableFilename(HistogramTypeTable), tableDesc, casacore::Table::New);
casacore::Table newTable(newTableSetup);
openMainTable(true);
_measurementSet->rwKeywordSet().defineTable(TypeTableName(), newTable);
}
void LuaInterface::pushCppFunction(const LuaCppFunction& func)
{
// create a pointer to func (this pointer will hold the function existence)
new(newUserdata(sizeof(LuaCppFunctionPtr))) LuaCppFunctionPtr(new LuaCppFunction(func));
// sets the userdata __gc metamethod, needed to free the function pointer when it gets collected
newTable();
pushCFunction(&LuaInterface::luaCollectCppFunction);
setField("__gc");
setMetatable();
// actually pushes a C function callback that will call the cpp function
pushCFunction(&LuaInterface::luaCppFunctionCallback, 1);
}
void HistogramTablesFormatter::createCountTable()
{
casacore::TableDesc tableDesc(CountTableName() + "_TYPE", "1.0", casacore::TableDesc::Scratch);
tableDesc.comment() = "Histograms of the data in the main table";
tableDesc.addColumn(casacore::ScalarColumnDesc<int>(ColumnNameType, "Index of the statistic kind"));
tableDesc.addColumn(casacore::ScalarColumnDesc<double>(ColumnNameBinStart, "Lower start value of the bin corresponding to the count"));
tableDesc.addColumn(casacore::ScalarColumnDesc<double>(ColumnNameBinEnd, "Higher end value of the bin corresponding to the count"));
tableDesc.addColumn(casacore::ScalarColumnDesc<double>(ColumnNameCount, "Histogram y-value"));
casacore::SetupNewTable newTableSetup(TableFilename(HistogramCountTable), tableDesc, casacore::Table::New);
casacore::Table newTable(newTableSetup);
openMainTable(true);
_measurementSet->rwKeywordSet().defineTable(CountTableName(), newTable);
}
// this function doubles the number of slots in the hash table
HashTable hashTableExpand(HashTable ht, int n)
{
int i = 0;
HashTable newht = newTable(n); // create the new hash table
assert(newht != NULL);
newht->nslots = n; // new ht now has 2x the num slots
newht->nitems = 0; // nitems is 0
// insert all the values into the new ht
for (i = 0; i < ht->nslots; i++){
if (ht->data[i] != NULL){ insertItem(newht, ht->data[i]); }
}
disposeTable(ht);
return newht;
}
void buildTableManager(TableManager *tm) {
selectTables(tm);
if(tm->names > 0) {
int i;
for(i = 0 ; i < tm->names->length ; i++) {
char *tableName = (char *) getArrayListObject(tm->names, i);
Table *t = newTable(tableName);
setArrayListObject(tm->tables, (Table *) t, tm->tables->length);
InsertionHandler *ih = newInsertionHandler(t);
setArrayListObject(tm->insert, (InsertionHandler *) ih, tm->insert->length);
SelectionHandler *sh = newSelectionHandler(t);
setArrayListObject(tm->select, (SelectionHandler *) sh, tm->select->length);
DeletionHandler *dh = newDeletionHandler(t);
setArrayListObject(tm->deleter, (DeletionHandler *) dh, tm->deleter->length);
}
}
}
void Table::addDataInSameLine(vector<string> components) {
if (components.size() < this->numColumns) { //Verifica se vector componentes tem menor número de termos
for (size_t x = components.size(); x < numColumns; x++) { //da tabela original e adiciona nesse caso.
components.push_back("");
}
}
if (components.size() > this->numColumns) { //Verifica se vector componentes tem maior número de termos
for (int x = numColumns; x < components.size(); x++) { //da tabela original e remove-os, nesse caso. MELHORAR!!!
components.pop_back();
}
}
vector<int> spaces;
for (size_t i = 0; i < components.size(); i++) {
if (components.at(i).length() >= this->columnsWidth.at(i)) {
spaces.push_back((int)components.at(i).length());
}
else {
spaces.push_back(columnsWidth.at(i));
}
} //Redefine a largura das colunas para a tabela alterada
tableStream.str(string());
tableStream.clear();
tableVector.push_back(components);
blocks.pop_back();
blocks.push_back(false);
blocks.push_back(true); //concatena a penultima linha com a œltima
Table newTable(this->tableVector, this->blocks, spaces); //Reconstroi a tabela anterior com a largura das colunas redefinida
tableStream << newTable;
/*tableStream << " | ";
for (int i = 0; i < components.size(); i++){
tableStream << components.at(i) << string(spaces.at(i) - components.at(i).length(), ' ') << " | ";
}
tableStream << endl;
formatTable('_', '|', spaces);*/
this->columnsWidth = spaces;
}
void Foam::StaticHashTable<T, Key, Hash>::resize(const label sz)
{
label newSize = StaticHashTableCore::canonicalSize(sz);
if (newSize == keys_.size())
{
# ifdef FULLDEBUG
if (debug)
{
Info<< "StaticHashTable<T, Key, Hash>::resize(const label) : "
<< "new table size == old table size\n";
}
# endif
return;
}
if (newSize < 1)
{
FatalErrorIn
(
"StaticHashTable<T, Key, Hash>::resize(const label)"
) << "Illegal size " << newSize << " for StaticHashTable."
<< " Minimum size is 1" << abort(FatalError);
}
StaticHashTable<T, Key, Hash> newTable(newSize);
for (const_iterator iter = cbegin(); iter != cend(); ++iter)
{
newTable.insert(iter.key(), *iter);
}
transfer(newTable);
// Adapt end() iterators
endIter_.hashIndex_ = keys_.size();
endConstIter_.hashIndex_ = keys_.size();
}
int
DBStock::command (PluginData *pd)
{
int rc = 0;
QStringList cl;
cl << "type" << "init" << "getBars" << "setBars" << "newTable" << "transaction" << "commit";
switch (cl.indexOf(pd->command))
{
case 0: // type
pd->type = QString("db");
rc = 1;
break;
case 1: // init
rc = init();
break;
case 2: // getBars
rc = getBars(pd);
break;
case 3: // setBars
rc = setBars(pd);
break;
case 4: // newTable
rc = newTable(pd);
break;
case 5: // transaction
_db.transaction();
rc = 1;
break;
case 6: // commit
_db.commit();
rc = 1;
break;
default:
break;
}
return rc;
}
//-----------------------------------------------------------------------------
MemPanel::MemPanel(QWidget *parent) : QWidget(parent)
{
QHBoxLayout *h;
QVBoxLayout *v;
QToolButton *b;
infoDlg = new InfoDialog(this);
infoDlg->setModal(true); infoDlg->allowRefresh=false;
v = new QVBoxLayout(this); h = new QHBoxLayout(); v->addLayout(h);
b = new QToolButton(this); b->setIcon(QPixmap(":/png/document-new.png"));
b->setToolTip(tr("Create new data array")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(newTable()));
b = new QToolButton(this); b->setIcon(QPixmap(table_xpm));
b->setToolTip(tr("Edit selected data array")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(editData()));
b = new QToolButton(this); b->setIcon(QPixmap(":/png/edit-delete.png"));
b->setToolTip(tr("Delete selected data array")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(delData()));
b = new QToolButton(this); b->setIcon(QPixmap(preview_xpm));
b->setToolTip(tr("Properties of selected data array")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(infoData()));
b = new QToolButton(this); b->setIcon(QPixmap(":/png/view-refresh.png"));
b->setToolTip(tr("Update list of data arrays")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(refresh()));
h->addStretch(1);
b = new QToolButton(this); b->setIcon(QPixmap(":/png/edit-clear.png"));
b->setToolTip(tr("Delete ALL data arrays")); h->addWidget(b);
connect(b, SIGNAL(clicked()), this, SLOT(delAllData()));
colSort = 0;
tab = new QTableWidget(this); tab->setColumnCount(3); v->addWidget(tab);
QStringList sl; sl<<tr("Name")<<tr("Sizes")<<tr("Memory");
tab->setHorizontalHeaderLabels(sl);
connect(tab, SIGNAL(cellClicked(int,int)), this, SLOT(tableClicked(int,int)));
connect(tab, SIGNAL(cellDoubleClicked(int,int)), this, SLOT(tableDClicked(int,int)));
setWindowTitle(tr("Memory"));
}
void Schema::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
QString display_setting = mainwin->getDisplaySetting();
QMenu menu;
menu.addAction(tr("Refresh"));
if(display_setting.compare("view") == 0){
//menu.addAction(tr("New view"));
}
else if(display_setting.compare("function") == 0)
menu.addAction(tr("New function"));
else if (display_setting.compare("table") == 0) {
//menu.addAction(tr("New table"));
}
QAction *a = menu.exec(event->screenPos());
if(a && QString::compare(a->text(),tr("Refresh")) == 0)
{
if(display_setting.compare("view") == 0)
resetViewsVertically2();
else if(display_setting.compare("function") == 0)
resetFunctionsVertically2();
else if(display_setting.compare("table") == 0)
resetTablesVertically2();
}
else if(a && QString::compare(a->text(),tr("New view")) == 0)
{
emit newView(this);
}
else if(a && QString::compare(a->text(),tr("New function")) == 0)
{
emit newFunction(this);
}
else if(a && QString::compare(a->text(),tr("New table")) == 0)
{
emit newTable(this);
}
}
void Schema::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
MainWin::DisplayMode display_mode = mainwin->displayMode();
QMenu menu;
menu.addAction(tr("Refresh"));
if(display_mode == MainWin::Views){
//menu.addAction(tr("New view"));
}
else if(display_mode == MainWin::Functions) {
//menu.addAction(tr("New function"));
}
else if (display_mode == MainWin::Tables) {
menu.addAction(tr("New table"));
}
QAction *a = menu.exec(event->screenPos());
if(a && QString::compare(a->text(),tr("Refresh")) == 0) {
if(display_mode == MainWin::Views)
resetViewsVertically2();
else if(display_mode == MainWin::Functions)
resetFunctionsVertically2();
else if(display_mode == MainWin::Tables)
resetTablesVertically2();
}
else if(a && QString::compare(a->text(),tr("New view")) == 0) {
emit newView(this);
}
else if(a && QString::compare(a->text(),tr("New function")) == 0) {
emit newFunction(this);
}
else if(a && QString::compare(a->text(),tr("New table")) == 0) {
emit newTable(this);
}
}
void Environment::newTable() {
newTable(0, 0);
}
void LuaInterface::registerClass(const std::string& className, const std::string& baseClass)
{
// creates the class table (that it's also the class methods table)
newTable();
pushValue();
setGlobal(className);
const int klass = getTop();
// creates the class fieldmethods table
newTable();
pushValue();
setGlobal(className + "_fieldmethods");
int klass_fieldmethods = getTop();
// creates the class metatable
newTable();
pushValue();
setGlobal(className + "_mt");
int klass_mt = getTop();
// set metatable metamethods
pushCppFunction(&LuaInterface::luaObjectGetEvent);
setField("__index", klass_mt);
pushCppFunction(&LuaInterface::luaObjectSetEvent);
setField("__newindex", klass_mt);
pushCppFunction(&LuaInterface::luaObjectEqualEvent);
setField("__eq", klass_mt);
pushCppFunction(&LuaInterface::luaObjectCollectEvent);
setField("__gc", klass_mt);
// set some fields that will be used later in metatable
pushValue(klass);
setField("methods", klass_mt);
pushValue(klass_fieldmethods);
setField("fieldmethods", klass_mt);
// redirect methods and fieldmethods to the base class ones
if(!className.empty() && className != "LuaObject") {
// the following code is what create classes hierarchy for lua, by reproducing:
// DerivedClass = { __index = BaseClass }
// DerivedClass_fieldmethods = { __index = BaseClass_methods }
// redirect the class methods to the base methods
pushValue(klass);
newTable();
getGlobal(baseClass);
setField("__index");
setMetatable();
pop();
// redirect the class fieldmethods to the base fieldmethods
pushValue(klass_fieldmethods);
newTable();
getGlobal(baseClass + "_fieldmethods");
setField("__index");
setMetatable();
pop();
}
// pops klass, klass_mt, klass_fieldmethods
pop(3);
}
XImage *
read_ppm_file(Display *disp, Colormap cmap, int depth, IOSTREAM *fd)
{ XImage *img;
long here = Stell(fd);
int c;
int fmt, encoding;
int width, height, bytes_per_line, scale=0;
char *data;
int allocdepth;
int pad = XBitmapPad(disp);
Visual *v = DefaultVisual(disp, DefaultScreen(disp));
ncolours = nmapped = nfailed = 0; /* statistics */
assert(pad%8 == 0);
if ( (c=Sgetc(fd)) != 'P' )
{ Sungetc(c, fd);
return NULL;
}
if ( !cmap )
cmap = DefaultColormap(disp, DefaultScreen(disp));
c = Sgetc(fd);
if ( c < '1' || c > '9' )
goto errout;
c -= '0';
fmt = ((c - 1) % 3) + 1;
encoding = c - fmt;
width = getNum(fd);
height = getNum(fd);
if ( fmt == PNM_PBM )
{ depth = 1;
} else
{ scale = getNum(fd);
if ( !depth )
depth = DefaultDepth(disp, DefaultScreen(disp));
}
if ( width < 0 || height < 0 || scale < 0 )
goto errout;
allocdepth = (depth >= 24 ? 32 : depth);
bytes_per_line = roundup((width*allocdepth+7)/8, pad/8);
data = (char *)pceMalloc(height * bytes_per_line);
img = XCreateImage(disp,
v,
depth,
fmt == PNM_PBM ? XYBitmap : ZPixmap,
0,
data,
width, height,
pad, bytes_per_line);
if ( !img )
{ perror("XCreateImage");
pceFree(data);
goto errout;
}
img->bits_per_pixel = depth;
switch(encoding)
{ int x, y;
case PNM_ASCII:
{ switch(fmt)
{ case PNM_PBM:
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ int value = getNum(fd);
if ( value < 0 || value > 1 )
goto errout;
XPutPixel(img, x, y, value);
}
}
break;
case PNM_PGM:
{ Table t = newTable(64);
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ int g = getNum(fd);
unsigned long pixel;
if ( g < 0 || g > scale )
goto errout;
if ( scale != 255 )
g = rescale(g, scale, 255);
pixel = colourPixel(disp, depth, cmap, t, g, g, g);
XPutPixel(img, x, y, pixel);
}
}
freeTable(t);
break;
}
case PNM_PPM:
{ Table t = newTable(64);
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ int r = getNum(fd);
int g = getNum(fd);
int b = getNum(fd);
unsigned long pixel;
if ( r < 0 || r > scale ||
g < 0 || g > scale ||
b < 0 || b > scale )
goto errout;
if ( scale != 255 )
{ r = rescale(r, scale, 255);
g = rescale(g, scale, 255);
b = rescale(b, scale, 255);
}
pixel = colourPixel(disp, depth, cmap, t, r, g, b);
XPutPixel(img, x, y, pixel);
}
}
freeTable(t);
break;
}
break;
}
break;
}
case PNM_RAWBITS:
{ switch(fmt)
{ case PNM_PBM:
{ int byte = 0;
int bit = 0;
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ if ( !bit )
{ byte = Sgetc(fd);
bit = 8;
}
bit--;
XPutPixel(img, x, y, (byte & (1<<bit)) ? 1 : 0);
}
bit = 0; /* scanlines are byte-aligned */
}
break;
}
case PNM_PGM:
{ Table t = newTable(64);
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ int g;
unsigned long pixel;
if ( Sfeof(fd) || (g=Sgetc(fd)) > scale )
goto errout;
if ( scale != 255 )
g = rescale(g, scale, 255);
pixel = colourPixel(disp, depth, cmap, t, g, g, g);
XPutPixel(img, x, y, pixel);
}
}
freeTable(t);
break;
}
case PNM_PPM:
{ Table t = newTable(64);
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ int r, g, b;
unsigned long pixel;
if ( Sfeof(fd) ||
(r=Sgetc(fd)) > scale ||
(g=Sgetc(fd)) > scale ||
(b=Sgetc(fd)) > scale )
goto errout;
if ( scale != 255 )
{ r = rescale(r, scale, 255);
g = rescale(g, scale, 255);
b = rescale(b, scale, 255);
}
pixel = colourPixel(disp, depth, cmap, t, r, g, b);
XPutPixel(img, x, y, pixel);
}
}
freeTable(t);
break;
}
break;
}
break;
}
case PNM_RUNLEN:
{ int rlen = 0;
unsigned long cpixel = NOPIXEL;
switch(fmt)
{ case PNM_PGM:
{ Table t = newTable(64);
DEBUG(NAME_pnm, Cprintf("Reading runlength encoded graymap\n"));
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ if ( rlen-- > 0 )
{ XPutPixel(img, x, y, cpixel);
} else
{ int g;
if ( (g=Sgetc(fd)) > scale ||
(rlen = Sgetc(fd)) == EOF )
goto errout;
rlen &= 0xff;
if ( scale != 255 )
g = rescale(g, scale, 255);
cpixel = colourPixel(disp, depth, cmap, t, g, g, g);
XPutPixel(img, x, y, cpixel);
rlen--;
}
}
}
freeTable(t);
break;
}
case PNM_PPM:
{ Table t = newTable(64);
for(y=0; y<height; y++)
{ for(x=0; x<width; x++)
{ if ( rlen-- > 0 )
{ XPutPixel(img, x, y, cpixel);
} else
{ int r, g, b;
if ( (r=Sgetc(fd)) > scale ||
(g=Sgetc(fd)) > scale ||
(b=Sgetc(fd)) > scale ||
(rlen = Sgetc(fd)) == EOF )
goto errout;
rlen &= 0xff;
if ( scale != 255 )
{ r = rescale(r, scale, 255);
g = rescale(g, scale, 255);
b = rescale(b, scale, 255);
}
cpixel = colourPixel(disp, depth, cmap, t, r, g, b);
XPutPixel(img, x, y, cpixel);
rlen--;
}
}
}
freeTable(t);
break;
}
}
}
}
DEBUG(NAME_ppm,
Cprintf("PNM: Converted %dx%dx%d image, %d colours (%d mapped, %d failed)\n",
width, height, depth, ncolours, nmapped, nfailed));
return img;
errout:
DEBUG(NAME_ppm,
Cprintf("PNM: Format error, index = %d\n", Stell(fd)));
Sseek(fd, here, SEEK_SET);
return NULL;
}
Table *check(Absyn * program, boolean showSymbolTables)
{
Table *globalTable;
Entry *e;
globalTable = newTable(NULL);
if (showSymbolTables) {
local_debug = TRUE;
}
/* generate built-in types */
builtinType_int = newPrimitiveType("int", INT_BYTE_SIZE);
builtinType_bool = newPrimitiveType("bool", BOOL_BYTE_SIZE);
Entry *builtinProc_exit =
newProcEntry(emptyParamTypes(), newTable(globalTable), NULL);
Entry *builtinProc_time =
newProcEntry(newParamTypes
(builtinType_int, TRUE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_readi =
newProcEntry(newParamTypes
(builtinType_int, TRUE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_readc =
newProcEntry(newParamTypes
(builtinType_int, TRUE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_printi =
newProcEntry(newParamTypes
(builtinType_int, FALSE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_printc =
newProcEntry(newParamTypes
(builtinType_int, FALSE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_clearAll =
newProcEntry(newParamTypes
(builtinType_int, FALSE, emptyParamTypes()),
newTable(globalTable), NULL);
Entry *builtinProc_setPixel =
newProcEntry(newParamTypes(builtinType_int, FALSE,
newParamTypes(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
emptyParamTypes()))),
newTable(globalTable), NULL);
Entry *builtinProc_drawCircle =
newProcEntry(newParamTypes(builtinType_int, FALSE,
newParamTypes(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
emptyParamTypes())))),
newTable(globalTable), NULL);
Entry *builtinProc_drawLine =
newProcEntry(newParamTypes(builtinType_int, FALSE,
newParamTypes(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
newParamTypes
(builtinType_int, FALSE,
emptyParamTypes()))))),
newTable(globalTable), NULL);
/* setup global symbol table */
enter(globalTable, newSym("int"), newTypeEntry(builtinType_int));
enter(globalTable, newSym("exit"), builtinProc_exit);
enter(globalTable, newSym("time"), builtinProc_time);
enter(globalTable, newSym("readi"), builtinProc_readi);
enter(globalTable, newSym("readc"), builtinProc_readc);
enter(globalTable, newSym("printi"), builtinProc_printi);
enter(globalTable, newSym("printc"), builtinProc_printc);
enter(globalTable, newSym("clearAll"), builtinProc_clearAll);
enter(globalTable, newSym("setPixel"), builtinProc_setPixel);
enter(globalTable, newSym("drawCircle"), builtinProc_drawCircle);
enter(globalTable, newSym("drawLine"), builtinProc_drawLine);
/* enter all procs into global symtable */
enter_proc_decs(program, globalTable);
/* do semantic checks */
checkNode(program, globalTable);
/* check if "main()" is present */
e = lookup(globalTable, newSym("main"));
if (e == NULL)
error("procedure 'main' is missing");
if (e->kind != ENTRY_KIND_PROC)
error("'main' is not a procedure");
// check that main has no params
if (!e->u.procEntry.paramTypes->isEmpty)
error("procedure 'main' must not have any parameters");
/* return global symbol table */
return globalTable;
}
void enter_proc_decs(Absyn * program, Table * symtab)
{
ParamTypes *paramTypes, *p_last, *p_new;
Table *localSymtab;
Entry *entry;
Absyn *tmp, *node;
Sym *name;
while (!program->u.decList.isEmpty) {
node = program->u.decList.head;
if (node->type == ABSYN_PROCDEC) {
// determine parameter types
paramTypes = NULL;
tmp = node->u.procDec.params;
if (tmp->u.decList.isEmpty)
paramTypes = emptyParamTypes();
else {
while (!(tmp->u.decList.isEmpty)) {
p_new =
newParamTypes(checkNode
(tmp->u.decList.head,
symtab),
tmp->u.decList.
head->u.parDec.isRef,
NULL);
if (paramTypes == NULL)
paramTypes = p_new;
else
p_last->next = p_new;
p_last = p_new;
tmp = tmp->u.decList.tail;
}
p_last->next = emptyParamTypes();
}
// enter proc into global symbol table
localSymtab = newTable(symtab);
entry = newProcEntry(paramTypes, localSymtab, node);
if (enter(symtab, node->u.procDec.name, entry) == NULL) {
error("redeclaration of '%s' in line %d",
symToString(node->u.procDec.name),
node->line);
}
// enter parameters into local symbol table
tmp = node->u.procDec.params;
while (!(tmp->u.decList.isEmpty)) {
name = tmp->u.decList.head->u.varDec.name;
entry =
newVarEntry(checkNode
(tmp->u.decList.head->u.
parDec.ty, symtab),
tmp->u.decList.head->u.
parDec.isRef, ENTRY_SOURCE_PARAM);
enter(localSymtab, name, entry);
tmp = tmp->u.decList.tail;
}
}
if (node->type == ABSYN_TYPEDEC) {
checkTypeDec(node, symtab);
}
program = program->u.decList.tail;
}
return;
}
