CBotInstr* CBotFor::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotFor* inst = new CBotFor(); // creates the object
CBotToken* pp = p; // preserves at the ^ token (starting position)
if ( IsOfType( p, TokenTypVar ) &&
IsOfType( p, ID_DOTS ) )
{
inst->m_label = pp->GetString(); // register the name of label
}
inst->SetToken(p);
if (!IsOfType(p, ID_FOR)) return nullptr; // should never happen
if ( !IsOfType(p, ID_OPENPAR)) // missing parenthesis ?
{
pStack->SetError(TX_OPENPAR, p->GetStart());
return nullptr;
}
CBotCStack* pStk = pStack->TokenStack(pp, true); // un petit bout de pile svp
// compiles instructions for initialization
inst->m_Init = CBotListExpression::Compile( p, pStk );
if ( pStk->IsOk() )
{
if ( !IsOfType(p, ID_SEP)) // lack the semicolon?
{
pStack->SetError(TX_OPENPAR, p->GetStart());
delete inst;
return pStack->Return(nullptr, pStk); // no object, the error is on the stack
}
inst->m_Test = CBotBoolExpr::Compile( p, pStk );
if ( pStk->IsOk() )
{
if ( !IsOfType(p, ID_SEP)) // lack the semicolon?
{
pStack->SetError(TX_OPENPAR, p->GetStart());
delete inst;
return pStack->Return(nullptr, pStk); // no object, the error is on the stack
}
inst->m_Incr = CBotListExpression::Compile( p, pStk );
if ( pStk->IsOk() )
{
if ( IsOfType(p, ID_CLOSEPAR)) // missing parenthesis ?
{
IncLvl(inst->m_label);
inst->m_Block = CBotBlock::CompileBlkOrInst( p, pStk, true );
DecLvl();
if ( pStk->IsOk() )
return pStack->Return(inst, pStk);;
}
pStack->SetError(TX_CLOSEPAR, p->GetStart());
}
}
}
delete inst; // error, frees up
return pStack->Return(nullptr, pStk); // no object, the error is on the stack
}
CBotInstr* CBotCase::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotCase* inst = new CBotCase(); // creates the object
CBotToken* pp = p; // preserves at the ^ token (starting position)
inst->SetToken(p);
if (!IsOfType(p, ID_CASE, ID_DEFAULT)) return nullptr; // should never happen
if ( pp->GetType() == ID_CASE )
{
pp = p;
inst->m_Value = CBotExprNum::Compile(p, pStack);
if ( inst->m_Value == nullptr )
{
pStack->SetError( TX_BADNUM, pp );
delete inst;
return nullptr;
}
}
if ( !IsOfType( p, ID_DOTS ))
{
pStack->SetError( TX_MISDOTS, p->GetStart() );
delete inst;
return nullptr;
}
return inst;
}
void CBotStack::GetRunPos(const char* &FunctionName, int &start, int &end)
{
CBotProgram* prog = m_prog; // Current program
CBotInstr* funct = NULL; // function found
CBotInstr* instr = NULL; // the highest intruction
CBotStack* p = this;
while (p->m_next != NULL)
{
if ( p->m_instr != NULL ) instr = p->m_instr;
if ( p->m_bFunc == 1 ) funct = p->m_instr;
if ( p->m_next->m_prog != prog ) break ;
if (p->m_next2 && p->m_next2->m_state != 0) p = p->m_next2 ;
else p = p->m_next;
}
if ( p->m_instr != NULL ) instr = p->m_instr;
if ( p->m_bFunc == 1 ) funct = p->m_instr;
if ( funct == NULL ) return;
CBotToken* t = funct->GetToken();
FunctionName = t->GetString();
// if ( p->m_instr != NULL ) instr = p->m_instr;
t = instr->GetToken();
start = t->GetStart();
end = t->GetEnd();
}
// compiles a list of parameters
CBotDefParam* CBotDefParam::Compile(CBotToken* &p, CBotCStack* pStack)
{
// mainly not pStack->TokenStack here
// declared variables must remain visible thereafter
pStack->SetStartError(p->GetStart());
if (IsOfType(p, ID_OPENPAR))
{
CBotDefParam* list = NULL;
while (!IsOfType(p, ID_CLOSEPAR))
{
CBotDefParam* param = new CBotDefParam();
if (list == NULL) list = param;
else list->AddNext(param); // added to the list
// CBotClass* pClass = NULL;//= CBotClass::Find(p);
param->m_typename = p->GetString();
CBotTypResult type = param->m_type = TypeParam(p, pStack);
// if ( type == CBotTypPointer ) type = CBotTypClass; // we must create a new object
if (param->m_type.GetType() > 0)
{
CBotToken* pp = p;
param->m_token = *p;
if (pStack->IsOk() && IsOfType(p, TokenTypVar) )
{
// variable already declared?
if (pStack->CheckVarLocal(pp))
{
pStack->SetError(TX_REDEFVAR, pp);
break;
}
if ( type.Eq(CBotTypArrayPointer) ) type.SetType(CBotTypArrayBody);
CBotVar* var = CBotVar::Create(pp->GetString(), type); // creates the variable
// if ( pClass ) var->SetClass(pClass);
var->SetInit(2); // mark initialized
param->m_nIdent = CBotVar::NextUniqNum();
var->SetUniqNum(param->m_nIdent);
pStack->AddVar(var); // place on the stack
if (IsOfType(p, ID_COMMA) || p->GetType() == ID_CLOSEPAR)
continue;
}
pStack->SetError(TX_CLOSEPAR, p->GetStart());
}
pStack->SetError(TX_NOTYP, p);
delete list;
return NULL;
}
return list;
}
pStack->SetError(TX_OPENPAR, p->GetStart());
return NULL;
}
bool CBotCStack::NextToken(CBotToken* &p)
{
CBotToken* pp = p;
p = p->GetNext();
if (p!=NULL) return true;
SetError(TX_ENDOF, pp->GetEnd());
return false;
}
CBotInstr* CBotDo::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotDo* inst = new CBotDo(); // creates the object
CBotToken* pp = p; // preserves at the ^ token (starting position)
if ( IsOfType( p, TokenTypVar ) &&
IsOfType( p, ID_DOTS ) )
{
inst->m_label = pp->GetString(); // register the name of label
}
inst->SetToken(p);
if (!IsOfType(p, ID_DO)) return nullptr; // should never happen
CBotCStack* pStk = pStack->TokenStack(pp); // un petit bout de pile svp
// looking for a statement block after the do
IncLvl(inst->m_label);
inst->m_Block = CBotBlock::CompileBlkOrInst( p, pStk, true );
DecLvl();
if ( pStk->IsOk() )
{
if (IsOfType(p, ID_WHILE))
{
if ( nullptr != (inst->m_Condition = CBotCondition::Compile( p, pStk )) )
{
// the condition exists
if (IsOfType(p, ID_SEP))
{
return pStack->Return(inst, pStk); // return an object to the application
}
pStk->SetError(TX_ENDOF, p->GetStart());
}
}
pStk->SetError(TX_WHILE, p->GetStart());
}
delete inst; // error, frees up
return pStack->Return(nullptr, pStk); // no object, the error is on the stack
}
CBotVar* CBotStack::GetStackVars(const char* &FunctionName, int level)
{
CBotProgram* prog = m_prog; // current program
FunctionName = NULL;
// back the stack in the current module
CBotStack* p = this;
while (p->m_next != NULL)
{
if ( p->m_next->m_prog != prog ) break ;
if (p->m_next2 && p->m_next2->m_state != 0) p = p->m_next2 ;
else p = p->m_next;
}
// descends upon the elements of block
while ( p != NULL && !p->m_bBlock ) p = p->m_prev;
while ( p != NULL && level++ < 0 )
{
p = p->m_prev;
while ( p != NULL && !p->m_bBlock ) p = p->m_prev;
}
if ( p == NULL ) return NULL;
// search the name of the current function
CBotStack* pp = p;
while ( pp != NULL )
{
if ( pp->m_bFunc == 1 ) break;
pp = pp->m_prev;
}
if ( pp == NULL || pp->m_instr == NULL ) return NULL;
CBotToken* t = pp->m_instr->GetToken();
FunctionName = t->GetString();
return p->m_listVar;
}
void CScript::ColorizeScript(Ui::CEdit* edit)
{
CBotToken* bt;
CBotString bs;
const char* token;
int error, type, cursor1, cursor2;
Gfx::FontHighlight color;
edit->ClearFormat();
bt = CBotToken::CompileTokens(edit->GetText(), error);
while ( bt != 0 )
{
bs = bt->GetString();
token = bs;
type = bt->GetType();
cursor1 = bt->GetStart();
cursor2 = bt->GetEnd();
color = Gfx::FONT_HIGHLIGHT_NONE;
if ( type >= TokenKeyWord && type < TokenKeyWord+100 )
{
color = Gfx::FONT_HIGHLIGHT_TOKEN;
}
if ( type >= TokenKeyDeclare && type < TokenKeyDeclare+100 )
{
color = Gfx::FONT_HIGHLIGHT_TYPE;
}
if ( type >= TokenKeyVal && type < TokenKeyVal+100 )
{
color = Gfx::FONT_HIGHLIGHT_CONST;
}
if ( type == TokenTypVar )
{
if ( IsType(token) )
{
color = Gfx::FONT_HIGHLIGHT_TYPE;
}
else if ( IsFunction(token) )
{
color = Gfx::FONT_HIGHLIGHT_TOKEN;
}
}
if ( type == TokenTypDef )
{
color =Gfx::FONT_HIGHLIGHT_CONST;
}
if ( cursor1 < cursor2 && color != Gfx::FONT_HIGHLIGHT_NONE )
{
edit->SetFormat(cursor1, cursor2, color);
}
bt = bt->GetNext();
}
CBotToken::Delete(bt);
}
CBotInstr* CBotWhile::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotWhile* inst = new CBotWhile(); // creates the object
CBotToken* pp = p; // preserves at the ^ token (starting position)
if ( IsOfType( p, TokenTypVar ) &&
IsOfType( p, ID_DOTS ) )
{
inst->m_label = pp->GetString(); // records the name of the label
}
inst->SetToken(p);
if (!IsOfType(p, ID_WHILE)) return nullptr; // should never happen
CBotCStack* pStk = pStack->TokenStack(pp); // un petit bout de pile svp
// a bit of battery please (??)
if ( nullptr != (inst->m_condition = CBotCondition::Compile(p, pStk )) )
{
// the condition exists
IncLvl(inst->m_label);
inst->m_block = CBotBlock::CompileBlkOrInst(p, pStk, true );
DecLvl();
if ( pStk->IsOk() )
{
// the statement block is ok (it may be empty!
return pStack->Return(inst, pStk); // return an object to the application
// makes the object to which the application
}
}
delete inst; // error, frees the place
return pStack->Return(nullptr, pStk); // no object, the error is on the stack
}
CBotInstr* CBotBreak::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotToken* pp = p; // preserves at the ^ token (starting position)
int type = p->GetType();
if (!IsOfType(p, ID_BREAK, ID_CONTINUE)) return nullptr; // should never happen
if ( !ChkLvl(CBotString(), type ) )
{
pStack->SetError(TX_BREAK, pp);
return nullptr; // no object, the error is on the stack
}
CBotBreak* inst = new CBotBreak(); // creates the object
inst->SetToken(pp); // keeps the operation
pp = p;
if ( IsOfType( p, TokenTypVar ) )
{
inst->m_label = pp->GetString(); // register the name of label
if ( !ChkLvl(inst->m_label, type ) )
{
delete inst;
pStack->SetError(TX_NOLABEL, pp);
return nullptr; // no object, the error is on the stack
}
}
if (IsOfType(p, ID_SEP))
{
return inst; // return what it wants
}
delete inst;
pStack->SetError(TX_ENDOF, p->GetStart());
return nullptr; // no object, the error is on the stack
}
bool CBotProgram::Compile(const std::string& program, std::vector<std::string>& externFunctions, void* pUser)
{
// Cleanup the previously compiled program
Stop();
for (CBotClass* c : m_classes)
c->Purge(); // purge the old definitions of classes
// but without destroying the object
m_classes.clear();
for (CBotFunction* f : m_functions) delete f;
m_functions.clear();
externFunctions.clear();
m_error = CBotNoErr;
// Step 1. Process the code into tokens
auto tokens = CBotToken::CompileTokens(program);
if (tokens == nullptr) return false;
auto pStack = std::unique_ptr<CBotCStack>(new CBotCStack(nullptr));
CBotToken* p = tokens.get()->GetNext(); // skips the first token (separator)
pStack->SetProgram(this); // defined used routines
m_externalCalls->SetUserPtr(pUser);
// Step 2. Find all function and class definitions
while ( pStack->IsOk() && p != nullptr && p->GetType() != 0)
{
if ( IsOfType(p, ID_SEP) ) continue; // semicolons lurking
if ( p->GetType() == ID_CLASS ||
( p->GetType() == ID_PUBLIC && p->GetNext()->GetType() == ID_CLASS ))
{
m_classes.push_back(CBotClass::Compile1(p, pStack.get()));
}
else
{
m_functions.push_back(CBotFunction::Compile1(p, pStack.get(), nullptr));
}
}
// Define fields and pre-compile methods for each class in this program
if (pStack->IsOk()) CBotClass::DefineClasses(m_classes, pStack.get());
if ( !pStack->IsOk() )
{
m_error = pStack->GetError(m_errorStart, m_errorEnd);
for (CBotFunction* f : m_functions) delete f;
m_functions.clear();
return false;
}
// Step 3. Real compilation
std::list<CBotFunction*>::iterator next = m_functions.begin();
p = tokens.get()->GetNext(); // returns to the beginning
while ( pStack->IsOk() && p != nullptr && p->GetType() != 0 )
{
if ( IsOfType(p, ID_SEP) ) continue; // semicolons lurking
if ( p->GetType() == ID_CLASS ||
( p->GetType() == ID_PUBLIC && p->GetNext()->GetType() == ID_CLASS ))
{
CBotClass::Compile(p, pStack.get()); // completes the definition of the class
}
else
{
CBotFunction::Compile(p, pStack.get(), *next);
if ((*next)->IsExtern()) externFunctions.push_back((*next)->GetName()/* + next->GetParams()*/);
if ((*next)->IsPublic()) CBotFunction::AddPublic(*next);
(*next)->m_pProg = this; // keeps pointers to the module
++next;
}
}
if ( !pStack->IsOk() )
{
m_error = pStack->GetError(m_errorStart, m_errorEnd);
for (CBotFunction* f : m_functions) delete f;
m_functions.clear();
}
return !m_functions.empty();
}
CBotInstr* CBotClassInst::Compile(CBotToken* &p, CBotCStack* pStack, CBotClass* pClass)
{
// seeks the corresponding classes
if ( pClass == NULL )
{
pStack->SetStartError(p->GetStart());
pClass = CBotClass::Find(p);
if ( pClass == NULL )
{
// not found? is bizare
pStack->SetError(TX_NOCLASS, p);
return NULL;
}
p = p->GetNext();
}
bool bIntrinsic = pClass->IsIntrinsic();
CBotTypResult type = CBotTypResult( bIntrinsic ? CBotTypIntrinsic : CBotTypPointer, pClass );
CBotClassInst* inst = static_cast<CBotClassInst*>(CompileArray(p, pStack, type));
if ( inst != NULL || !pStack->IsOk() ) return inst;
CBotCStack* pStk = pStack->TokenStack();
inst = new CBotClassInst();
/// \TODO Need to be revised and fixed after adding unit tests
CBotToken token(pClass->GetName(), CBotString(), p->GetStart(), p->GetEnd());
inst->SetToken(&token);
CBotToken* vartoken = p;
if ( NULL != (inst->m_var = CBotLeftExprVar::Compile( p, pStk )) )
{
(static_cast<CBotLeftExprVar*>(inst->m_var))->m_typevar = type;
if (pStk->CheckVarLocal(vartoken)) // redefinition of the variable
{
pStk->SetStartError(vartoken->GetStart());
pStk->SetError(TX_REDEFVAR, vartoken->GetEnd());
goto error;
}
if (IsOfType(p, ID_OPBRK)) // with any clues?
{
delete inst; // is not type CBotInt
p = vartoken; // returns to the variable name
// compiles declaration an array
inst = static_cast<CBotClassInst*>(CBotInstArray::Compile( p, pStk, type ));
if (!pStk->IsOk() )
{
pStk->SetError(TX_CLBRK, p->GetStart());
goto error;
}
goto suite; // no assignment, variable already created
}
CBotVar* var;
var = CBotVar::Create(vartoken->GetString(), type); // creates the instance
// var->SetClass(pClass);
var->SetUniqNum(
(static_cast<CBotLeftExprVar*>(inst->m_var))->m_nIdent = CBotVar::NextUniqNum());
// its attribute a unique number
pStack->AddVar(var); // placed on the stack
// look if there are parameters
inst->m_hasParams = (p->GetType() == ID_OPENPAR);
CBotVar* ppVars[1000];
inst->m_Parameters = CompileParams(p, pStk, ppVars);
if ( !pStk->IsOk() ) goto error;
// if there are parameters, is the equivalent to the stament "new"
// CPoint A ( 0, 0 ) is equivalent to
// CPoint A = new CPoint( 0, 0 )
// if ( NULL != inst->m_Parameters )
if ( inst->m_hasParams )
{
// the constructor is there?
// CBotString noname;
CBotTypResult r = pClass->CompileMethode(pClass->GetName(), var, ppVars, pStk, inst->m_nMethodeIdent);
delete pStk->TokenStack(); // releases the supplement stack
int typ = r.GetType();
if (typ == TX_UNDEFCALL)
{
// si le constructeur n'existe pas
if (inst->m_Parameters != NULL) // with parameters
{
pStk->SetError(TX_NOCONST, vartoken);
goto error;
}
typ = 0;
}
if (typ>20)
{
pStk->SetError(typ, vartoken->GetEnd());
goto error;
}
}
if (IsOfType(p, ID_ASS)) // with a assignment?
{
if (inst->m_hasParams)
{
pStk->SetError(TX_ENDOF, p->GetStart());
goto error;
}
if ( NULL == ( inst->m_expr = CBotTwoOpExpr::Compile( p, pStk )) )
{
goto error;
}
CBotClass* result = pStk->GetClass();
if ( !pStk->GetTypResult(1).Eq(CBotTypNullPointer) &&
( !pStk->GetTypResult(1).Eq(CBotTypPointer) ||
( result != NULL && !pClass->IsChildOf(result) ))) // type compatible ?
{
pStk->SetError(TX_BADTYPE, p->GetStart());
goto error;
}
// if ( !bIntrinsic ) var->SetPointer(pStk->GetVar()->GetPointer());
if ( !bIntrinsic )
{
// does not use the result on the stack, to impose the class
CBotVar* pvar = CBotVar::Create("", pClass);
var->SetPointer( pvar ); // variable already declared instance pointer
delete pvar; // removes the second pointer
}
var->SetInit(true); // marks the pointer as init
}
else if (inst->m_hasParams)
{
// creates the object on the "job" (\TODO "tas")
// with a pointer to the object
if ( !bIntrinsic )
{
CBotVar* pvar = CBotVar::Create("", pClass);
var->SetPointer( pvar ); // variable already declared instance pointer
delete pvar; // removes the second pointer
}
var->SetInit(2); // marks the pointer as init
}
suite:
if (IsOfType(p, ID_COMMA)) // several chained definitions
{
if ( NULL != ( inst->m_next = CBotClassInst::Compile(p, pStk, pClass) )) // compiles the following
{
return pStack->Return(inst, pStk);
}
}
if (IsOfType(p, ID_SEP)) // complete instruction
{
return pStack->Return(inst, pStk);
}
pStk->SetError(TX_ENDOF, p->GetStart());
}
error:
delete inst;
return pStack->Return(NULL, pStk);
}
// pre-compile a new function
CBotFunction* CBotFunction::Compile1(CBotToken* &p, CBotCStack* pStack, CBotClass* pClass)
{
CBotFunction* func = new CBotFunction();
func->m_nFuncIdent = CBotVar::NextUniqNum();
CBotCStack* pStk = pStack->TokenStack(p, true);
while (true)
{
if ( IsOfType(p, ID_PUBLIC) )
{
// func->m_bPublic = true; // will be done in two passes
continue;
}
if ( IsOfType(p, ID_EXTERN) )
{
func->m_bExtern = true;
continue;
}
break;
}
func->m_retToken = *p;
func->m_retTyp = TypeParam(p, pStack); // type of the result
if (func->m_retTyp.GetType() >= 0)
{
CBotToken* pp = p;
func->m_token = *p;
// un nom de fonction est-il là ?
if (IsOfType(p, TokenTypVar))
{
if ( IsOfType( p, ID_DBLDOTS ) ) // method for a class
{
func->m_MasterClass = pp->GetString();
CBotClass* pClass = CBotClass::Find(pp);
if ( pClass == NULL )
{
pStk->SetError(TX_NOCLASS, pp);
goto bad;
}
pp = p;
func->m_token = *p;
if (!IsOfType(p, TokenTypVar)) goto bad;
}
func->m_Param = CBotDefParam::Compile( p, pStk );
if (pStk->IsOk())
{
// looks if the function exists elsewhere
if (( pClass != NULL || !pStack->CheckCall(pp, func->m_Param)) &&
( pClass == NULL || !pClass->CheckCall(pp, func->m_Param)) )
{
if (IsOfType(p, ID_OPBLK))
{
int level = 1;
// and skips the following instruction block
do
{
int type = p->GetType();
p = p->GetNext();
if (type == ID_OPBLK) level++;
if (type == ID_CLBLK) level--;
}
while (level > 0 && p != NULL);
return pStack->ReturnFunc(func, pStk);
}
pStk->SetError(TX_OPENBLK, p);
}
}
pStk->SetError(TX_REDEF, pp);
}
bad:
pStk->SetError(TX_NOFONC, p);
}
pStk->SetError(TX_NOTYP, p);
delete func;
return pStack->ReturnFunc(NULL, pStk);
}
// compiles a new function
// bLocal allows of the declaration of parameters on the same level
// as the elements belonging to the class for methods
CBotFunction* CBotFunction::Compile(CBotToken* &p, CBotCStack* pStack, CBotFunction* finput, bool bLocal)
{
CBotToken* pp;
CBotFunction* func = finput;
if ( func == NULL ) func = new CBotFunction();
CBotCStack* pStk = pStack->TokenStack(p, bLocal);
// func->m_nFuncIdent = CBotVar::NextUniqNum();
while (true)
{
if ( IsOfType(p, ID_PUBLIC) )
{
func->m_bPublic = true;
continue;
}
pp = p;
if ( IsOfType(p, ID_EXTERN) )
{
func->m_extern = pp; // for the position of the word "extern"
func->m_bExtern = true;
// func->m_bPublic = true; // therefore also public!
continue;
}
break;
}
func->m_retToken = *p;
// CBotClass* pClass;
func->m_retTyp = TypeParam(p, pStk); // type of the result
if (func->m_retTyp.GetType() >= 0)
{
CBotToken* pp = p;
func->m_token = *p;
if ( IsOfType(p, ID_NOT) )
{
CBotToken d("~" + p->GetString());
func->m_token = d;
}
// un nom de fonction est-il là ?
if (IsOfType(p, TokenTypVar))
{
if ( IsOfType( p, ID_DBLDOTS ) ) // method for a class
{
func->m_MasterClass = pp->GetString();
CBotClass* pClass = CBotClass::Find(pp);
if ( pClass == NULL ) goto bad;
// pp = p;
func->m_token = *p;
if (!IsOfType(p, TokenTypVar)) goto bad;
}
func->m_openpar = p;
func->m_Param = CBotDefParam::Compile( p, pStk );
func->m_closepar = p->GetPrev();
if (pStk->IsOk())
{
pStk->SetRetType(func->m_retTyp); // for knowledge what type returns
if (!func->m_MasterClass.IsEmpty())
{
// return "this" known
CBotVar* pThis = CBotVar::Create("this", CBotTypResult( CBotTypClass, func->m_MasterClass ));
pThis->SetInit(2);
// pThis->SetUniqNum(func->m_nThisIdent = -2); //CBotVar::NextUniqNum() will not
pThis->SetUniqNum(-2);
pStk->AddVar(pThis);
// initialize variables acording to This
// only saves the pointer to the first,
// the rest is chained
CBotVar* pv = pThis->GetItemList();
// int num = 1;
while (pv != NULL)
{
CBotVar* pcopy = CBotVar::Create(pv);
// pcopy->SetInit(2);
pcopy->Copy(pv);
pcopy->SetPrivate(pv->GetPrivate());
// pcopy->SetUniqNum(pv->GetUniqNum()); //num++);
pStk->AddVar(pcopy);
pv = pv->GetNext();
}
}
// and compiles the following instruction block
func->m_openblk = p;
func->m_Block = CBotBlock::Compile(p, pStk, false);
func->m_closeblk = p->GetPrev();
if ( pStk->IsOk() )
{
if ( func->m_bPublic ) // public function, return known for all
{
CBotFunction::AddPublic(func);
}
return pStack->ReturnFunc(func, pStk);
}
}
}
bad:
pStk->SetError(TX_NOFONC, p);
}
pStk->SetError(TX_NOTYP, p);
if ( finput == NULL ) delete func;
return pStack->ReturnFunc(NULL, pStk);
}
bool CBotClass::CompileDefItem(CBotToken* &p, CBotCStack* pStack, bool bSecond)
{
bool bStatic = false;
int mProtect = PR_PUBLIC;
bool bSynchro = false;
while (IsOfType(p, ID_SEP)) ;
CBotTypResult type( -1 );
if ( IsOfType(p, ID_SYNCHO) ) bSynchro = true;
CBotToken* pBase = p;
if ( IsOfType(p, ID_STATIC) ) bStatic = true;
if ( IsOfType(p, ID_PUBLIC) ) mProtect = PR_PUBLIC;
if ( IsOfType(p, ID_PRIVATE) ) mProtect = PR_PRIVATE;
if ( IsOfType(p, ID_PROTECTED) ) mProtect = PR_PROTECT;
if ( IsOfType(p, ID_STATIC) ) bStatic = true;
// CBotClass* pClass = NULL;
type = TypeParam(p, pStack); // type of the result
if ( type.Eq(-1) )
{
pStack->SetError(TX_NOTYP, p);
return false;
}
while (pStack->IsOk())
{
CBotToken* pp = p;
IsOfType(p, ID_NOT); // skips ~ eventual (destructor)
if (IsOfType(p, TokenTypVar))
{
CBotInstr* limites = NULL;
while ( IsOfType( p, ID_OPBRK ) ) // a table?
{
CBotInstr* i = NULL;
if ( p->GetType() != ID_CLBRK )
i = CBotExpression::Compile( p, pStack ); // expression for the value
else
i = new CBotEmpty(); // special if not a formula
type = CBotTypResult(CBotTypArrayPointer, type);
if (!pStack->IsOk() || !IsOfType( p, ID_CLBRK ) )
{
pStack->SetError(TX_CLBRK, p->GetStart());
return false;
}
/* CBotVar* pv = pStack->GetVar();
if ( pv->GetType()>= CBotTypBoolean )
{
pStack->SetError(TX_BADTYPE, p->GetStart());
return false;
}*/
if (limites == NULL) limites = i;
else limites->AddNext3(i);
}
if ( p->GetType() == ID_OPENPAR )
{
if ( !bSecond )
{
p = pBase;
CBotFunction* f =
CBotFunction::Compile1(p, pStack, this);
if ( f == NULL ) return false;
if (m_pMethod == NULL) m_pMethod = f;
else m_pMethod->AddNext(f);
}
else
{
// return a method precompiled in pass 1
CBotFunction* pf = m_pMethod;
CBotFunction* prev = NULL;
while ( pf != NULL )
{
if (pf->GetName() == pp->GetString()) break;
prev = pf;
pf = pf->Next();
}
bool bConstructor = (pp->GetString() == GetName());
CBotCStack* pile = pStack->TokenStack(NULL, true);
// make "this" known
CBotToken TokenThis(CBotString("this"), CBotString());
CBotVar* pThis = CBotVar::Create(&TokenThis, CBotTypResult( CBotTypClass, this ) );
pThis->SetUniqNum(-2);
pile->AddVar(pThis);
if ( m_pParent )
{
// makes "super" known
CBotToken TokenSuper(CBotString("super"), CBotString());
CBotVar* pThis = CBotVar::Create(&TokenSuper, CBotTypResult( CBotTypClass, m_pParent ) );
pThis->SetUniqNum(-3);
pile->AddVar(pThis);
}
// int num = 1;
CBotClass* my = this;
while (my != NULL)
{
// places a copy of variables of a class (this) on a stack
CBotVar* pv = my->m_pVar;
while (pv != NULL)
{
CBotVar* pcopy = CBotVar::Create(pv);
pcopy->SetInit(!bConstructor || pv->IsStatic());
pcopy->SetUniqNum(pv->GetUniqNum());
pile->AddVar(pcopy);
pv = pv->GetNext();
}
my = my->m_pParent;
}
// compiles a method
p = pBase;
CBotFunction* f =
CBotFunction::Compile(p, pile, NULL/*, false*/);
if ( f != NULL )
{
f->m_pProg = pStack->GetBotCall();
f->m_bSynchro = bSynchro;
// replaces the element in the chain
f->m_next = pf->m_next;
pf->m_next = NULL;
delete pf;
if (prev == NULL) m_pMethod = f;
else prev->m_next = f;
}
pStack->Return(NULL, pile);
}
return pStack->IsOk();
}
// definition of an element
if (type.Eq(0))
{
pStack->SetError(TX_ENDOF, p);
return false;
}
CBotInstr* i = NULL;
if ( IsOfType(p, ID_ASS ) )
{
if ( type.Eq(CBotTypArrayPointer) )
{
i = CBotListArray::Compile(p, pStack, type.GetTypElem());
}
else
{
// it has an assignmet to calculate
i = CBotTwoOpExpr::Compile(p, pStack);
}
if ( !pStack->IsOk() ) return false;
}
if ( !bSecond )
{
CBotVar* pv = CBotVar::Create(pp->GetString(), type);
pv -> SetStatic( bStatic );
pv -> SetPrivate( mProtect );
AddItem( pv );
pv->m_InitExpr = i;
pv->m_LimExpr = limites;
if ( pv->IsStatic() && pv->m_InitExpr != NULL )
{
CBotStack* pile = CBotStack::FirstStack(); // independent stack
while(pile->IsOk() && !pv->m_InitExpr->Execute(pile)); // evaluates the expression without timer
pv->SetVal( pile->GetVar() ) ;
pile->Delete();
}
}
else
delete i;
if ( IsOfType(p, ID_COMMA) ) continue;
if ( IsOfType(p, ID_SEP) ) break;
}
pStack->SetError(TX_ENDOF, p);
}
return pStack->IsOk();
}
bool CScript::CheckToken()
{
CBotToken* bt;
CBotToken* allBt;
CBotString bs;
const char* token;
int error, cursor1, cursor2, i;
char used[100];
if ( !m_object->GetCheckToken() ) return true;
m_error = 0;
m_title[0] = 0;
m_mainFunction[0] = 0;
m_token[0] = 0;
m_bCompile = false;
for ( i=0 ; i<m_main->GetObligatoryToken() ; i++ )
{
used[i] = 0; // token not used
}
allBt = CBotToken::CompileTokens(m_script, error);
bt = allBt;
while ( bt != 0 )
{
bs = bt->GetString();
token = bs;
cursor1 = bt->GetStart();
cursor2 = bt->GetEnd();
i = m_main->IsObligatoryToken(token);
if ( i != -1 )
{
used[i] = 1; // token used
}
if ( !m_main->IsProhibitedToken(token) )
{
m_error = ERR_PROHIBITEDTOKEN;
m_cursor1 = cursor1;
m_cursor2 = cursor2;
strcpy(m_title, "<prohibited>");
m_mainFunction[0] = 0;
CBotToken::Delete(allBt);
return false;
}
bt = bt->GetNext();
}
// At least once every obligatory instruction?
for ( i=0 ; i<m_main->GetObligatoryToken() ; i++ )
{
if ( used[i] == 0 ) // token not used?
{
strcpy(m_token, m_main->GetObligatoryToken(i));
m_error = ERR_OBLIGATORYTOKEN;
strcpy(m_title, "<obligatory>");
m_mainFunction[0] = 0;
CBotToken::Delete(allBt);
return false;
}
}
CBotToken::Delete(allBt);
return true;
}
