/* reads the math expresion (in values) and its size*/
void readExpression(char **values, int *size)
{
fprintf(stdout, "[INFO] [READ]\tIntroduce the mathematical expression separated by space in\n");
fprintf(stdout, "\t\tpostfix form with operands in [a-zA-Z], operations in '+-*/'\n");
fprintf(stdout, "\t\tand use '#' for unary operations:\n");
fprintf(stdout, "[INFO] [READ]\t");
char *buffer = (char*) calloc(1024, sizeof(char));
fgets(buffer, 1024, stdin);
*size = 0;
while (*(buffer+*size) != '\n')
{
(*size)++;
}
*size = (*size+1)/2;
char *result = (char*) calloc((*size+1), sizeof(char));
for (int i=0; i<*size; i++)
{
*(result+i) = *(buffer+i*2);
}
free(buffer);
if (checkExpression(result))
{
*values = result;
}
else
{
exitError("[READ]\tThe read expression contains invalid characters.\n");
}
}
int main(int argc, char **argv){
std::string evalexp(argv[1]);
// Check input expression for unhandling symbols
if(!checkExpression(evalexp)) return -1;
// Clear expression from spaces
for(uint i=0 ; i < evalexp.length(); i++){
if(evalexp[i] == ' '){
evalexp.erase(evalexp.begin() + i);
if(i > 0) i--;
}
}
std::cout << "Evaluating expression is: \"" << evalexp << "\"" << std::endl;
std::cout << "Result is: " << evalExpression<int>(evalexp) << std::endl;
return 0;
}
HRESULT STDMETHODCALLTYPE
CAAFEssenceFileContainer::CreateEssenceStream (const aafCharacter * pName,
aafMobID_constptr pMobID,
IAAFEssenceStream ** ppEssenceStream)
{
HRESULT hr = S_OK;
CAAFEssenceFileStream *pEssenceFileStream = NULL;
// Validate return argument.
if (NULL == ppEssenceStream)
return E_INVALIDARG;
try
{
// First see if the stream has already been opened.
checkResult(CheckExistingStreams(pName, openNew));
// Create file stream object.
pEssenceFileStream = CAAFEssenceFileStream::CreateFileStream(this);
checkExpression(NULL != pEssenceFileStream, E_OUTOFMEMORY);
// Temporarily reuse code for obsolete CAAFEssenceFileScream
checkResult(pEssenceFileStream->Create(pName, pMobID));
// Return the interface to the stream to the caller.
checkResult(pEssenceFileStream->QueryInterface(IID_IAAFEssenceStream, (void **)ppEssenceStream));
}
catch (HRESULT& rResult)
{
hr = rResult;
}
//
// If an error occurs the following release will delete the object.
if (pEssenceFileStream)
pEssenceFileStream->Release();
return hr;
}
void Check_PriorDeclaration_Base::checkBaseExpression(const AST_BaseExpression::shared_ptr &stm)
{
switch (stm->baseExpressionType()) {
case AST_BaseExpressionType::betStatements:
{
const AST_BaseStatement::shared_ptr& local
= boost::dynamic_pointer_cast<AST_BaseStatement>(stm);
checkStatement(local);
break;
}
case AST_BaseExpressionType::betIdentifier:
{
const AST_Identifier::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Identifier>(stm);
checkIdentifier(local);
break;
}
case AST_BaseExpressionType::betExpression:
{
const AST_Expression::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Expression>(stm);
checkExpression(local);
break;
}
case AST_BaseExpressionType::betBoolExpression:
{
const AST_Boolean_Expression::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Boolean_Expression>(stm);
checkBoolExpression(local);
break;
}
case AST_BaseExpressionType::betBoolValue:
{
const AST_Boolean::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Boolean>(stm);
checkBoolValue(local);
break;
}
case AST_BaseExpressionType::betDoubleValue:
{
const AST_Double::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Double>(stm);
checkDoubleValue(local);
break;
}
case AST_BaseExpressionType::betIntegerValue:
{
const AST_Integer::shared_ptr& local
= boost::dynamic_pointer_cast<AST_Integer>(stm);
checkIntegerValue(local);
break;
}
case AST_BaseExpressionType::betStringValue:
{
const AST_String::shared_ptr& local
= boost::dynamic_pointer_cast<AST_String>(stm);
checkStringValue(local);
break;
}
default:
break;
}
}
bool Mission::doTest(missionNode *node,int mode){
if(mode==SCRIPT_PARSE){
string teststr=node->attr_value("test");
if(teststr.empty()){
fatalError(node,mode,"you have to give test an argument what to test");
assert(0);
}
if(teststr=="gt"){
node->script.tester=TEST_GT;
}
else if(teststr=="lt"){
node->script.tester=TEST_LT;
}
else if(teststr=="eq"){
node->script.tester=TEST_EQ;
}
else if(teststr=="ne"){
node->script.tester=TEST_NE;
}
else if(teststr=="ge"){
node->script.tester=TEST_GE;
}
else if(teststr=="le"){
node->script.tester=TEST_LE;
}
#if 0
else if(teststr=="between"){
node->script.tester=TEST_BETWEEN;
}
#endif
else {
fatalError(node,mode,"unknown test argument for test");
assert(0);
}
vector<easyDomNode *>::const_iterator siter;
#if 0
int i=0;
for(siter= node->subnodes.begin() ; siter!=node->subnodes.end() && i<2; siter++){
missionNode *snode=(missionNode *)*siter;
(node->script.test_arg)[i]=snode;
}
if(i<2){
fatalError(node,mode,"a test-expr needs exact two subnodes");
assert(0);
}
#endif
int len=node->subnodes.size();
if(len!=2){
fatalError(node,mode,"a test-expr needs exact two subnodes");
assert(0);
}
node->script.test_arg[0]=(missionNode *)node->subnodes[0];
node->script.test_arg[1]=(missionNode *)node->subnodes[1];
} // end of parse
varInst * arg1_vi=checkExpression(node->script.test_arg[0],mode);
varInst * arg2_vi=checkExpression(node->script.test_arg[1],mode);
bool res=false;
if(arg1_vi->type!=arg2_vi->type){
fatalError(node,mode,"test is getting not the same types");
assert(0);
}
if(mode==SCRIPT_RUN){
if(arg1_vi->type==VAR_FLOAT){
double arg1=arg1_vi->float_val;
double arg2=arg2_vi->float_val;
switch(node->script.tester){
case TEST_GT:
res=(arg1>arg2);
break;
case TEST_LT:
res=(arg1<arg2);
break;
case TEST_EQ:
res=(arg1==arg2);
break;
case TEST_NE:
res=(arg1!=arg2);
break;
case TEST_GE:
res=(arg1>=arg2);
break;
case TEST_LE:
res=(arg1<=arg2);
break;
default:
fatalError(node,mode,"no valid tester");
assert(0);
}
}
else if(arg1_vi->type==VAR_INT){
int arg1=arg1_vi->int_val;
int arg2=arg2_vi->int_val;
switch(node->script.tester){
case TEST_GT:
res=(arg1>arg2);
break;
case TEST_LT:
res=(arg1<arg2);
break;
case TEST_EQ:
res=(arg1==arg2);
break;
case TEST_NE:
res=(arg1!=arg2);
break;
case TEST_GE:
res=(arg1>=arg2);
break;
case TEST_LE:
res=(arg1<=arg2);
break;
default:
fatalError(node,mode,"no valid tester");
assert(0);
}
}
else{
fatalError(node,mode,"no such type allowed for test");
assert(0);
}
}// SCRIPT_RUN
deleteVarInst(arg1_vi);
deleteVarInst(arg2_vi);
return res;
}
varInst * Mission::doMath(missionNode *node,int mode){
// if(mode==SCRIPT_PARSE){
string mathname=node->attr_value("math");
int len=node->subnodes.size();
if(len<2){
fatalError(node,mode,"math needs at least 2 arguments");
assert(0);
}
varInst *res_vi=newVarInst(VI_TEMP);
varInst* res1_vi=checkExpression((missionNode *)node->subnodes[0],mode);
if(res1_vi->type!=VAR_INT && res1_vi->type!=VAR_FLOAT && res1_vi->type!=VAR_ANY){
printf("res1_vi=%d\n",res1_vi->type);
fatalError(node,mode,"only int or float expr allowed for math");
assert(0);
}
res_vi->type=res1_vi->type;
assignVariable(res_vi,res1_vi);
if(res_vi->type==VAR_ANY){
res_vi->type=VAR_FLOAT;
}
deleteVarInst(res1_vi);
// char buffer[200];
//sprintf(buffer,"fmath: 1st expr returns %f",res);
//debug(4,node,mode,buffer);
for(int i=1;i<len;i++){
varInst * res2_vi=checkExpression((missionNode *)node->subnodes[i],mode);
var_type res2_type=res2_vi->type;
if(res2_type==VAR_INT && res_vi->type==VAR_FLOAT){
res2_type=VAR_FLOAT;
if(mode==SCRIPT_RUN){
float res2=(float)res2_vi->int_val;
float res=floatMath(mathname,res_vi->float_val,res2);
res_vi->float_val=res;
}
}
else if(res2_type==VAR_FLOAT && res_vi->type==VAR_INT){
res_vi->type=VAR_FLOAT;
if(mode==SCRIPT_RUN){
res_vi->float_val=(float)res_vi->int_val;
float res2=res2_vi->float_val;
float res=floatMath(mathname,res_vi->float_val,res2);
res_vi->float_val=res;
}
}
else{
if(res_vi->type!=res2_type){
fatalError(node,mode,"can't do math on such types");
assert(0);
}
if(mode==SCRIPT_RUN){
if(res_vi->type==VAR_INT){
int res=intMath(mathname,res_vi->int_val,res2_vi->int_val);
res_vi->int_val=res;
}
else if(res_vi->type==VAR_FLOAT){
float res=floatMath(mathname,res_vi->float_val,res2_vi->float_val);
res_vi->float_val=res;
}
else{
if(res_vi->type!=res2_type){
fatalError(node,mode,"can't do math on such types");
assert(0);
}
}
} // of SCRIPT_RUN
} // else
deleteVarInst(res2_vi);
} // for arguments
return res_vi;
}
void TextModelLavaan::checkExpression(const QList<Token> &tokens, int &i, TextModelLavaan::BlockStatus *status)
{
const Token &token = tokens[i];
if (token.type == Variable)
{
i++;
return;
}
else if (token.type == Number)
{
i++;
return;
}
else if (token.type == FunctionOpen)
{
i++;
if (i >= tokens.size())
{
status->setError("Missing closing bracket", token.pos, token.text.length());
return;
}
Token next = tokens[i];
if (next.type == FunctionClose)
{
status->setError("Missing function arguments", token.pos, token.text.length());
return;
}
else if (next.type == FunctionOpen)
{
checkExpression(tokens, i, status);
if (status->isError())
return;
}
else if (next.type == Number)
{
i++;
for (;;) {
if (i >= tokens.length())
break;
next = tokens[i];
if (next.type != Comma)
break;
i++;
if (i >= tokens.length())
break;
next = tokens[i];
if (next.type != Number)
{
status->setError("Expected a number", next.pos, next.text.length());
return;
}
i++;
}
}
else
{
status->setError("Expected a number (or vector)", next.pos, next.text.length());
}
if (i >= tokens.length())
{
status->setError("Missing closing bracket", token.pos, token.text.length());
return;
}
next = tokens[i];
if (next.type != FunctionClose)
{
status->setError("Expecting a closing bracket", next.pos, next.text.length());
return;
}
i++;
}
else
{
status->setError("Expected an expression", token.pos, token.text.length());
return;
}
}
QList<Token> TextModelLavaan::parse(QTextBlock &block)
{
BlockStatus *status = blockStatus(block);
status->clearError();
QList<Token> tokens = tokenise(block);
if (status->isError())
{
qDebug() << "error : " << status->message << "\n";
return tokens;
}
if (tokens.length() == 0 || tokens.at(0).type == Comment)
return tokens;
Token &first = tokens[0];
if (first.type != Variable)
{
status->setError("Expected a variable", first.pos, first.text.length());
return tokens;
}
else if (tokens.length() == 1)
{
status->setError("Expected an operator", first.pos + first.text.length(), -1);
return tokens;
}
if (tokens.length() >= 2)
{
Token &second = tokens[1];
if (second.type == Comment)
{
status->setError("Expected an operator", first.pos + first.text.length(), -1);
return tokens;
}
else if (second.type == Operator)
{
if (second.text != "~~" &&
second.text != "~" &&
second.text != "=~" &&
second.text != "==" &&
second.text != ">" &&
second.text != "<" &&
second.text != ":=")
{
status->setError("Unrecognised operator", second.pos, second.text.length());
return tokens;
}
else if (tokens.length() == 2)
{
status->setError("Expected an expression", second.pos + second.text.length(), -1);
return tokens;
}
}
else
{
status->setError("Expected an operator", second.pos, second.text.length());
return tokens;
}
}
int i = 2;
checkExpression(tokens, i, status);
if (status->isError())
return tokens;
while (i < tokens.length())
{
Token token = tokens.at(i);
if (token.type == Comment)
break;
if (token.type != Plus)
{
status->setError("Expected a plus", token.pos, token.text.length());
return tokens;
}
i++;
if (i >= tokens.length())
{
status->setError("Expected an expression", token.pos + token.text.length(), -1);
return tokens;
}
checkExpression(tokens, i, status);
if (status->isError())
return tokens;
}
return tokens;
}
varInst *Mission::call_omap(missionNode *node,int mode){
//varInst *viret=new varInst;
varInst *viret=NULL;
if(mode==SCRIPT_PARSE){
string cmd=node->attr_value("name");
node->script.method_id=module_omap_map[cmd];
}
callback_module_omap_type method_id=(callback_module_omap_type) node->script.method_id;
if(method_id==CMT_OMAP_new){
viret=call_omap_new(node,mode);
return viret;
}
else{
varInst *ovi=getObjectArg(node,mode);
omap_t *my_object=getOMapObject(node,mode,ovi);
if(method_id==CMT_OMAP_delete){
if(mode==SCRIPT_RUN){
omap_t::iterator iter;
for(iter=my_object->begin();iter!=my_object->end();iter++){
string varname=(*iter).first ;
varInst *vi=(*iter).second;
deleteVarInst(vi,true);
}
my_object->clear();
delete my_object;
}
viret=newVarInst(VI_TEMP);
viret->type=VAR_VOID;
}
else if(method_id==CMT_OMAP_set){
missionNode *snode=getArgument(node,mode,2);
//varInst *vi=doVariable(snode,mode); // should be getObjExpr
varInst *var_vi=checkExpression(snode,mode); // should be getObjExpr
string name=getStringArgument(node,mode,1);
debug(3,node,mode,"omap set");
if(mode==SCRIPT_RUN){
varInst *push_vi=newVarInst(VI_IN_OBJECT);
push_vi->type=var_vi->type;
assignVariable(push_vi,var_vi);
(*my_object)[name]=push_vi;
//printf("setting [%s] type %d\n",name.c_str(),push_vi->type);
}
deleteVarInst(var_vi);
viret=newVarInst(VI_TEMP);
viret->type=VAR_VOID;
//return viret;
}
else if(method_id==CMT_OMAP_get){
debug(3,node,mode,"omap.get");
string name=getStringArgument(node,mode,1);
viret=newVarInst(VI_TEMP);
viret->type=VAR_ANY;
if(mode==SCRIPT_RUN){
varInst *back_vi=(*my_object)[name];
assignVariable(viret,back_vi);
// printf("viret type=%d back_vi type=%d\n",viret->type,back_vi->type);
if(back_vi->type>10){
assert(0);
}
deleteVarInst(back_vi); // this won't delete it
}
}
else if(method_id==CMT_OMAP_toxml){
if(node->subnodes.size()!=1){
fatalError(node,mode,"olist.toxml needs no arguments");
assert(0);
}
debug(3,node,mode,"omap.toxml");
if(mode==SCRIPT_RUN){
//call_olist_toxml(node,mode,ovi);
}
viret =newVarInst(VI_TEMP);
viret->type=VAR_VOID;
}
else if(method_id==CMT_OMAP_size){
if(node->subnodes.size()!=1){
fatalError(node,mode,"olist.size needs one arguments");
assert(0);
}
debug(3,node,mode,"omap.size");
viret=newVarInst(VI_TEMP);
if(mode==SCRIPT_RUN){
int len=my_object->size();
viret->int_val=len;
}
viret->type=VAR_INT;
//return viret;
}
else{
fatalError(node,mode,"unknown command "+node->script.name+" for callback omap");
assert(0);
}
deleteVarInst(ovi);
return viret;
} // else (objects)
return NULL; // never reach
}
