v8::internal::IrregexpInterpreter Class Reference

#include <interpreter-irregexp.h>

Collaboration diagram for v8::internal::IrregexpInterpreter:

Static Public Member Functions
static RegExpImpl::IrregexpResult	Match (Isolate *isolate, Handle< ByteArray > code, Handle< String > subject, int *captures, int start_position)

Detailed Description

Definition at line 14 of file interpreter-irregexp.h.

Member Function Documentation

Match()

RegExpImpl::IrregexpResult v8::internal::IrregexpInterpreter::Match ( Isolate *  isolate, Handle< ByteArray >  code, Handle< String >  subject, int *  captures, int  start_position  )

static

Definition at line 575 of file interpreter-irregexp.cc.

                        {
  DCHECK(subject->IsFlat());
 
  DisallowHeapAllocation no_gc;
  const byte* code_base = code_array->GetDataStartAddress();
  uc16 previous_char = '\n';
  String::FlatContent subject_content = subject->GetFlatContent();
  if (subject_content.IsOneByte()) {
    Vector<const uint8_t> subject_vector = subject_content.ToOneByteVector();
    if (start_position != 0) previous_char = subject_vector[start_position - 1];
    return RawMatch(isolate,
                    code_base,
                    subject_vector,
                    registers,
                    start_position,
                    previous_char);
  } else {
    DCHECK(subject_content.IsTwoByte());
    Vector<const uc16> subject_vector = subject_content.ToUC16Vector();
    if (start_position != 0) previous_char = subject_vector[start_position - 1];
    return RawMatch(isolate,
                    code_base,
                    subject_vector,
                    registers,
                    start_position,
                    previous_char);
  }
}

References DCHECK, v8::internal::String::FlatContent::IsOneByte(), v8::internal::String::FlatContent::IsTwoByte(), v8::internal::RawMatch(), v8::internal::String::FlatContent::ToOneByteVector(), and v8::internal::String::FlatContent::ToUC16Vector().

Referenced by v8::internal::RegExpImpl::IrregexpExecRaw().

Here is the call graph for this function:

Here is the caller graph for this function:

---

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

• /mnt/V8SourceCode/src/interpreter-irregexp.h
• /mnt/V8SourceCode/src/interpreter-irregexp.cc