---

VRegExpr Class Reference

#include <VRegExpr.hpp>

List of all members.

Public Methods
void *	operator new (size_t size)
void	operator delete (void *ptr)
	VRegExpr (TLabelID mylabelid)
	VRegExpr (int mytype, VRegExpr *child1=NULL, VRegExpr *child2=NULL)
void	PrintLabelList ()
void	Print ()
FSM *	CreateNonDetFSM ()
FSM *	CreateFSM ()
Static Public Methods
TLabelID	ParseLabel (char **str, char *endptr)
VRegExpr *	ParseVRegExpr (char *&str, char *endptr)

---

Constructor & Destructor Documentation

VRegExpr::VRegExpr (  TLabelID    mylabelid )  [inline]

Definition at line 51 of file VRegExpr.hpp. Referenced by ParseVRegExpr(). { type=VP_ITEMTYPE_LABEL; labelid=mylabelid; }

VRegExpr::VRegExpr (  int    mytype, VRegExpr *    child1 = NULL, VRegExpr *    child2 = NULL )  [inline]

Definition at line 57 of file VRegExpr.hpp. { type=mytype; children.child1=child1; children.child2=child2; }

---

Member Function Documentation

FSM * VRegExpr::CreateFSM (    )

Definition at line 482 of file VRegExpr.cpp. { FSM *fsm; fsmtmpmem=&tmpmem; fsmmem=&tmpmem; fsm=CreateNonDetFSM(); // fsm->Print(); // Let's make the FSM deterministic fsm=fsm->MakeDeterministic(); // fsm->Print(); // Now, we store the FSM in the main memory fsmmem=&mainmem; mainmem.WordAlign(); // Let's minimize fsm=fsm->Minimize(); // fsm->Print(); return fsm; }

FSM * VRegExpr::CreateNonDetFSM (    )

Definition at line 55 of file VRegExpr.cpp. Referenced by CreateFSM(). { FSM *fsm; FSMState *startstate,*finalstate; // We create the finite state automaton fsm=new(fsmtmpmem) FSM(); startstate=fsm->CreateState(); finalstate=fsm->CreateState(1); fsm->SetStartState(startstate); CreateFSMEdges(fsm,startstate,finalstate); return fsm; }

TLabelID VRegExpr::ParseLabel (  char **    str, char *    endptr )  [static]

Definition at line 208 of file VRegExpr.cpp. Referenced by ParseVRegExpr(). { char isattrib=0; if(**str=='<') isattrib=0; else { if(**str=='@') isattrib=1; } (*str)++; char *saveptr=*str; while(*str<endptr) { if(((isattrib==0)&&(**str=='>'))|| ((isattrib==1)&&(**str=='@'))) { (*str)++; return globallabeldict.GetLabelOrAttrib(saveptr,*str-saveptr-1,isattrib); } (*str)++; } Error("Could not find ending '>' in '"); ErrorCont(saveptr,10); // !!! Exit(); return 0; }

VRegExpr * VRegExpr::ParseVRegExpr (  char *&    str, char *    endptr )  [static]

Definition at line 376 of file VRegExpr.cpp. { char reachedend=false; RegExprStackItem *stack=NULL; vregexprerrstr=NULL; vregexprerrptr=NULL; do { switch(*str) { case '|': HandleBinOp(&stack,STACKITEM_ALT); str++; break; case '&': HandleBinOp(&stack,STACKITEM_AND); str++; break; case '-': HandleBinOp(&stack,STACKITEM_MINUS); str++; break; case '<': case '@':{ TLabelID labelid=ParseLabel(&str,endptr); VRegExpr *regexpr=new VRegExpr(labelid); HandleRegExpr(&stack,regexpr); break; } case '*': HandleUnaryOp(&stack,VP_ITEMTYPE_STAR,str); str++; break; case '+': HandleUnaryOp(&stack,VP_ITEMTYPE_PLUS,str); str++; break; case '?': HandleUnaryOp(&stack,VP_ITEMTYPE_OPT,str); str++; break; case '~': HandleUnaryOp(&stack,VP_ITEMTYPE_NOT,str); str++; break; case '(': if(str[1]==')') { VRegExpr *regexpr=new VRegExpr(VP_ITEMTYPE_EMPTY); HandleRegExpr(&stack,regexpr); str+=2; } else { HandleOpenParenc(&stack); str++; } break; case ')': HandleCloseParenc(&stack,str); str++; break; case '_':{ VRegExpr *regexpr=new VRegExpr(VP_ITEMTYPE_DONTCARE); HandleRegExpr(&stack,regexpr); str++; break; } case '#':{ VRegExpr *regexpr=new VRegExpr(VP_ITEMTYPE_POUND); HandleRegExpr(&stack,regexpr); str++; break; } default: reachedend=1; break; } if(reachedend==1) break; } while(str<endptr); if(stack==NULL) { Error("Invalid path expression"); Exit(); } ReduceAll(&stack); if(stack->prev!=NULL) { // stackptr->prev is a open parenthesis ! Error("Closing parenthesis expected"); Exit(); vregexprerrstr="Closing parenthesis expected"; vregexprerrptr=str; return NULL; } return stack->regexpr; }

void VRegExpr::Print (    )

Definition at line 15 of file VRegExpr.cpp. { printf("{"); switch(type) { case VP_ITEMTYPE_LABEL: globallabeldict.PrintLabel(labelid);break; case VP_ITEMTYPE_DONTCARE: printf("_");break; case VP_ITEMTYPE_POUND: printf("#");break; case VP_ITEMTYPE_STAR: children.child1->Print();printf("*");break; case VP_ITEMTYPE_PLUS: children.child1->Print();printf("+");break; case VP_ITEMTYPE_OPT: children.child1->Print();printf("?");break; case VP_ITEMTYPE_NOT: children.child1->Print();printf("~");break; case VP_ITEMTYPE_EMPTY: printf("()");; case VP_ITEMTYPE_GROUP: printf("(");children.child1->Print();printf(")");break; case VP_ITEMTYPE_MINUS: children.child1->Print(); printf("-"); children.child2->Print(); break; case VP_ITEMTYPE_SEQ: children.child1->Print(); printf(","); children.child2->Print(); break; case VP_ITEMTYPE_ALT: children.child1->Print(); printf("|"); children.child2->Print(); break; case VP_ITEMTYPE_AND: children.child1->Print(); printf("&"); children.child2->Print(); break; } printf("}"); }

void VRegExpr::PrintLabelList (    )

void VRegExpr::operator delete (  void *    ptr )  [inline]

Definition at line 49 of file VRegExpr.hpp. {}

void* VRegExpr::operator new (  size_t    size )  [inline]

Definition at line 48 of file VRegExpr.hpp. { return vregexprmem->GetByteBlock(size); }

---

The documentation for this class was generated from the following files:

• VRegExpr.hpp
• VRegExpr.cpp

---