152 lines
3.5 KiB
C++
152 lines
3.5 KiB
C++
/*
|
|
AngelCode Scripting Library
|
|
Copyright (c) 2003-2015 Andreas Jonsson
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any
|
|
damages arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any
|
|
purpose, including commercial applications, and to alter it and
|
|
redistribute it freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you
|
|
must not claim that you wrote the original software. If you use
|
|
this software in a product, an acknowledgment in the product
|
|
documentation would be appreciated but is not required.
|
|
|
|
2. Altered source versions must be plainly marked as such, and
|
|
must not be misrepresented as being the original software.
|
|
|
|
3. This notice may not be removed or altered from any source
|
|
distribution.
|
|
|
|
The original version of this library can be located at:
|
|
http://www.angelcode.com/angelscript/
|
|
|
|
Andreas Jonsson
|
|
andreas@angelcode.com
|
|
*/
|
|
|
|
|
|
//
|
|
// as_scriptcode.cpp
|
|
//
|
|
// A container class for the script code to be compiled
|
|
//
|
|
|
|
|
|
|
|
#include "as_config.h"
|
|
#include "as_scriptcode.h"
|
|
|
|
BEGIN_AS_NAMESPACE
|
|
|
|
asCScriptCode::asCScriptCode()
|
|
{
|
|
lineOffset = 0;
|
|
code = 0;
|
|
codeLength = 0;
|
|
sharedCode = false;
|
|
}
|
|
|
|
asCScriptCode::~asCScriptCode()
|
|
{
|
|
if( !sharedCode && code )
|
|
{
|
|
asDELETEARRAY(code);
|
|
}
|
|
}
|
|
|
|
int asCScriptCode::SetCode(const char *in_name, const char *in_code, bool in_makeCopy)
|
|
{
|
|
return SetCode(in_name, in_code, 0, in_makeCopy);
|
|
}
|
|
|
|
int asCScriptCode::SetCode(const char *in_name, const char *in_code, size_t in_length, bool in_makeCopy)
|
|
{
|
|
if( !in_code) return asINVALID_ARG;
|
|
this->name = in_name ? in_name : "";
|
|
if( !sharedCode && code )
|
|
asDELETEARRAY(code);
|
|
|
|
if( in_length == 0 )
|
|
in_length = strlen(in_code);
|
|
if( in_makeCopy )
|
|
{
|
|
codeLength = in_length;
|
|
sharedCode = false;
|
|
code = asNEWARRAY(char, in_length);
|
|
if( code == 0 )
|
|
return asOUT_OF_MEMORY;
|
|
memcpy(code, in_code, in_length);
|
|
}
|
|
else
|
|
{
|
|
codeLength = in_length;
|
|
code = const_cast<char*>(in_code);
|
|
sharedCode = true;
|
|
}
|
|
|
|
// Find the positions of each line
|
|
linePositions.PushLast(0);
|
|
for( size_t n = 0; n < in_length; n++ )
|
|
if( in_code[n] == '\n' ) linePositions.PushLast(n+1);
|
|
linePositions.PushLast(in_length);
|
|
|
|
return asSUCCESS;
|
|
}
|
|
|
|
void asCScriptCode::ConvertPosToRowCol(size_t pos, int *row, int *col)
|
|
{
|
|
if( linePositions.GetLength() == 0 )
|
|
{
|
|
if( row ) *row = lineOffset;
|
|
if( col ) *col = 1;
|
|
return;
|
|
}
|
|
|
|
// Do a binary search in the buffer
|
|
int max = (int)linePositions.GetLength() - 1;
|
|
int min = 0;
|
|
int i = max/2;
|
|
|
|
for(;;)
|
|
{
|
|
if( linePositions[i] < pos )
|
|
{
|
|
// Have we found the largest number < programPosition?
|
|
if( min == i ) break;
|
|
|
|
min = i;
|
|
i = (max + min)/2;
|
|
}
|
|
else if( linePositions[i] > pos )
|
|
{
|
|
// Have we found the smallest number > programPoisition?
|
|
if( max == i ) break;
|
|
|
|
max = i;
|
|
i = (max + min)/2;
|
|
}
|
|
else
|
|
{
|
|
// We found the exact position
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( row ) *row = i + 1 + lineOffset;
|
|
if( col ) *col = (int)(pos - linePositions[i]) + 1;
|
|
}
|
|
|
|
bool asCScriptCode::TokenEquals(size_t pos, size_t len, const char *str)
|
|
{
|
|
if( pos + len > codeLength ) return false;
|
|
if( strncmp(code + pos, str, len) == 0 && strlen(str) == len )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
END_AS_NAMESPACE
|