int ur_readDir( UThread* ut, const char* filename, UCell* res )
{
char filespec[ _MAX_PATH ];
struct _finddata_t fileinfo;
intptr_t handle;
// Look for all files. We ensure there is a slash before the wildcard.
// It's OK if the path is already terminated with a slash - multiple
// slashes are filtered by _findfirst.
strcpy( filespec, filename );
strcat( filespec, "\\*.*" );
handle = _findfirst( filespec, &fileinfo );
if( handle != -1 )
{
UCell* cell;
UIndex blkN;
UIndex hold;
UIndex strN;
blkN = ur_makeBlock( ut, 0 );
hold = ur_hold( blkN );
do
{
const char* cp = fileinfo.name;
if( cp[0] == '.' && (cp[1] == '.' || cp[1] == '\0') )
continue;
strN = ur_makeStringUtf8( ut, (const uint8_t*) cp,
(const uint8_t*) (cp + strlen(cp)) );
cell = ur_blkAppendNew( ur_buffer(blkN), UT_FILE );
ur_setSeries( cell, strN, 0 );
}
while( _findnext( handle, &fileinfo ) != -1 );
_findclose( handle );
ur_release( hold );
ur_setId(res, UT_BLOCK);
ur_setSeries(res, blkN, 0);
}
else
{
ur_setId(res, UT_LOGIC);
ur_int(res) = 0;
}
return UR_OK;
}
static int _execSpawn( UThread* ut, char* cmd, UCell* res )
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );
// Start the child process.
if( ! CreateProcess( NULL, // No module name (use command line).
TEXT(cmd), // Command line.
NULL, // Process handle not inheritable.
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si, // Pointer to STARTUPINFO structure.
&pi ) // Pointer to PROCESS_INFORMATION structure.
)
{
return ur_error( ut, UR_ERR_INTERNAL,
"CreateProcess failed (%d).\n", GetLastError() );
}
// Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
ur_setId(res, UT_INT);
ur_int(res) = pi.dwProcessId;
return UR_OK;
}
static int ledit_select( GWidget* wp, UAtom atom, UCell* res )
{
if( atom == UR_ATOM_TEXT )
{
EX_PTR;
ur_setId(res, UT_STRING);
ur_setSeries(res, ep->strN, 0);
return UR_OK;
}
else if( atom == UR_ATOM_ACTION )
{
EX_PTR;
ur_setId(res, UT_BLOCK);
ur_setSeries(res, ep->codeN, 0);
return UR_OK;
}
return gui_areaSelect( wp, atom, res );
}
static void setWID( const UCell*& prev, int id )
{
if( prev )
{
UCell* val = ur_wordCellM( UT, prev );
assert( val );
ur_setId(val, UT_INT);
ur_int(val) = id;
prev = 0;
}
}
/**
Generate a single binary and set cell to reference it.
If you need multiple buffers then ur_genBuffers() should be used.
\param size Number of bytes to reserve.
\param cell Cell to initialize.
\return Pointer to binary buffer.
*/
UBuffer* ur_makeBinaryCell( UThread* ut, int size, UCell* cell )
{
UBuffer* buf;
UIndex bufN;
ur_genBuffers( ut, 1, &bufN );
buf = ur_buffer( bufN );
ur_binInit( buf, size );
ur_setId( cell, UT_BINARY );
ur_setSeries( cell, bufN, 0 );
return buf;
}
static int slider_select( GWidget* wp, UAtom atom, UCell* res )
{
EX_PTR;
if( atom == UR_ATOM_VALUE )
{
ur_setId(res, ep->dataType);
if( ep->dataType == UT_INT )
ur_int(res) = (int32_t) ep->data.val;
else
ur_decimal(res) = ep->data.val;
return UR_OK;
}
return gui_areaSelect( wp, atom, res );
}
/*
Define the words 'pi and 'e.
*/
void defineWords( UThread* ut )
{
static double constants[2] = { 3.14159265358979, 2.71828182845904 };
UAtom atoms[2];
UBuffer* ctx;
UCell* cell;
int i;
ur_internAtoms( ut, "pi e", atoms );
ctx = ur_threadContext( ut );
for( i = 0; i < 2; ++i )
{
cell = ur_ctxAddWord( ctx, atoms[i] );
ur_setId( cell, UT_DECIMAL );
ur_decimal(cell) = constants[i];
}
ur_ctxSort( ctx );
}
static int itemview_select( GWidget* wp, UAtom atom, UCell* res )
{
if( atom == UR_ATOM_VALUE /*selection*/ )
{
EX_PTR;
if( ep->selRow > -1 )
{
UThread* ut = glEnv.guiUT;
const UBuffer* items = ur_buffer( ep->dataBlkN );
*res = items->ptr.cell[ ep->selRow ];
}
else
{
ur_setId( res, UT_NONE );
}
return UR_OK;
}
return gui_areaSelect( wp, atom, res );
}
static int ssl_read( UThread* ut, UBuffer* port, UCell* dest, int len )
{
SSLExt* ext = ur_ptr(SSLExt, port);
UBuffer* buf = ur_buffer( dest->series.buf );
int n;
if( port->FD > -1 && len )
{
retry:
n = mbedtls_ssl_read( &ext->sc, buf->ptr.b + buf->used, len );
//printf( "KR ssl_read %d\n", n );
if( n > 0 )
{
buf->used += n;
}
else if( n < 0 )
{
if( n == MBEDTLS_ERR_SSL_WANT_READ ||
n == MBEDTLS_ERR_SSL_WANT_WRITE )
{
ssl_wait();
goto retry;
}
// An error occured; the ssl context must not be used again.
ssl_free( ext );
port->FD = -1;
return ur_error( ut, UR_ERR_ACCESS, "ssl_read %d", n );
}
else
{
ur_setId(dest, UT_NONE);
}
}
return UR_OK;
}
/*
Sets res to either a shader! or a context! whose first value is a shader!.
Returns UR_OK/UR_THROW.
*/
int ur_makeShader( UThread* ut, const char* vert, const char* frag, UCell* res )
{
#define MAX_SHADER_PARAM 16 // LIMIT: User parameters per shader.
Shader shad;
Shader* sh;
UIndex bufN;
UBuffer* buf;
int i;
char name[ 128 ];
ShaderParam param[ MAX_SHADER_PARAM ];
ShaderParam* pi;
GLsizei length;
GLint size;
GLenum type;
GLint count = 0;
if( ! createShader( ut, &shad, vert, frag ) )
return UR_THROW;
glGetProgramiv( shad.program, GL_ACTIVE_UNIFORMS, &count );
// Collect non-gl parameters.
pi = param;
for( i = 0; i < count; ++i )
{
glGetActiveUniform( shad.program, i, 128, &length, &size, &type,
name );
if( name[0] == 'g' && name[1] == 'l' && name[2] == '_' )
continue;
pi->type = type;
pi->location = glGetUniformLocation( shad.program, name );
pi->name = ur_internAtom( ut, name, name + length );
if( pi->name == UR_INVALID_ATOM )
return UR_THROW;
++pi;
}
count = pi - param;
if( count )
{
ShaderParam* pend;
UBuffer* ctx;
UCell* cval;
// We have parameters - make context to hold shader & params.
ctx = ur_makeContextCell( ut, count + 1, res );
cval = ur_ctxAddWord( ctx, UR_ATOM_SHADER );
pi = param;
pend = param + count;
while( pi != pend )
{
cval = ur_ctxAddWord( ctx, pi->name );
#if 0
printf( "KR Shader Param %d is type %d\n",
(int) (pi - param), pi->type );
#endif
switch( pi->type )
{
case GL_FLOAT:
ur_setId( cval, UT_DECIMAL );
ur_decimal( cval ) = 0.0;
break;
case GL_FLOAT_VEC2:
case GL_FLOAT_VEC3:
//case GL_FLOAT_VEC4:
ur_setId( cval, UT_VEC3 );
cval->vec3.xyz[0] =
cval->vec3.xyz[1] =
cval->vec3.xyz[2] = 0.0f;
break;
case GL_INT:
ur_setId( cval, UT_INT );
ur_int( cval ) = 0;
break;
case GL_INT_VEC2:
case GL_INT_VEC3:
//case GL_INT_VEC4:
ur_setId( cval, UT_COORD );
break;
case GL_BOOL:
ur_setId( cval, UT_LOGIC );
ur_int( cval ) = 0;
break;
case GL_SAMPLER_2D:
case GL_SAMPLER_CUBE:
#ifndef GL_ES_VERSION_2_0
case GL_SAMPLER_1D:
case GL_SAMPLER_3D:
case GL_SAMPLER_1D_SHADOW:
case GL_SAMPLER_2D_SHADOW:
#endif
ur_setId( cval, UT_NONE );
ur_texId(cval) = 0; // Expecting texture!.
break;
#ifdef GL_ES_VERSION_2_0
case GL_FLOAT_MAT4:
ur_setId( cval, UT_NONE );
break;
#endif
default:
ur_setId( cval, UT_NONE );
break;
/*
GL_BOOL_VEC2:
GL_BOOL_VEC3:
GL_BOOL_VEC4:
GL_FLOAT_MAT2:
GL_FLOAT_MAT3:
GL_FLOAT_MAT4:
GL_SAMPLER_2D_RECT:
GL_SAMPLER_2D_RECT_SHADOW:
*/
}
++pi;
}
ur_ctxSort( ctx );
}
ur_genBuffers( ut, 1, &bufN );
buf = ur_buffer( bufN );
buf->type = UT_SHADER;
buf->ptr.v = memAlloc( sizeof(Shader) +
sizeof(ShaderParam) * (count - 1) );
sh = (Shader*) buf->ptr.v;
sh->program = shad.program;
sh->paramCount = count;
if( count )
{
memCpy( sh->param, param, sizeof(ShaderParam) * count );
// First context value will be set to shader!.
res = ur_buffer( res->series.buf )->ptr.cell;
}
ur_setId( res, UT_SHADER );
ur_setSeries( res, bufN, 0 );
return UR_OK;
}
/*
Returns zero if matching rule not found or exception occured.
*/
static const UCell* _parseBlock( UThread* ut, BlockParser* pe,
const UCell* rit, const UCell* rend,
UIndex* spos )
{
const UCell* tval;
int32_t repMin;
int32_t repMax;
UAtom atom;
const UBuffer* iblk = pe->blk;
UIndex pos = *spos;
match:
while( rit != rend )
{
switch( ur_type(rit) )
{
case UT_WORD:
atom = ur_atom(rit);
if( atom < UT_BI_COUNT )
{
// Datatype
if( pos >= pe->inputEnd )
goto failed;
tval = iblk->ptr.cell + pos;
if( ur_type(tval) != atom )
{
/*
if( atom == UT_NUMBER )
{
if( ur_is(tval,UT_INT) || ur_is(tval,UT_DECIMAL) )
goto type_matched;
}
*/
goto failed;
}
//type_matched:
++rit;
++pos;
}
else switch( atom )
{
case UR_ATOM_OPT:
++rit;
repMin = 0;
repMax = 1;
goto repeat;
case UR_ATOM_ANY:
++rit;
repMin = 0;
repMax = 0x7fffffff;
goto repeat;
case UR_ATOM_SOME:
++rit;
repMin = 1;
repMax = 0x7fffffff;
goto repeat;
case UR_ATOM_BREAK:
pe->exception = PARSE_EX_BREAK;
*spos = pos;
return 0;
case UR_ATOM_BAR:
goto complete;
case UR_ATOM_TO:
case UR_ATOM_THRU:
{
const UCell* ci;
const UCell* ce;
UAtom ratom = ur_atom(rit);
++rit;
if( rit == rend )
return 0;
ci = iblk->ptr.cell + pos;
ce = iblk->ptr.cell + pe->inputEnd;
if( ur_is(rit, UT_WORD) )
{
if( ur_atom(rit) < UT_BI_COUNT )
{
atom = ur_atom(rit);
while( ci != ce )
{
if( ur_type(ci) == atom )
break;
++ci;
}
if( ci == ce )
goto failed;
pos = ci - iblk->ptr.cell;
if( ratom == UR_ATOM_THRU )
++pos;
++rit;
break;
}
else
{
tval = ur_wordCell( ut, rit );
CHECK_WORD( tval )
}
}
else
{
tval = rit;
}
if( ur_is(tval, UT_BLOCK) )
{
// TODO: If block then all values must match.
BLK_RULE_ERROR( "to/thru block! not implemented" );
}
else
{
while( ci != ce )
{
if( ur_equal(ut, ci, tval) )
break;
++ci;
}
if( ci == ce )
goto failed;
pos = ci - iblk->ptr.cell;
if( ratom == UR_ATOM_THRU )
++pos;
}
++rit;
}
break;
case UR_ATOM_INTO:
++rit;
if( rit == rend || ! ur_is(rit, UT_BLOCK) )
{
BLK_RULE_ERROR( "parse into expected block" );
}
tval = iblk->ptr.cell + pos;
if( ! ur_is(tval, UT_BLOCK) )
goto failed;
if( ur_isShared( tval->series.buf ) )
goto failed;
{
BlockParser ip;
UBlockIter bi;
UIndex parsePos = 0;
ip.eval = pe->eval;
ip.blk = ur_bufferSer( tval );
ip.inputBuf = tval->series.buf;
ip.inputEnd = ip.blk->used;
ip.sliced = 0;
ip.exception = PARSE_EX_NONE;
ur_blkSlice( ut, &bi, rit );
tval = _parseBlock( ut, &ip, bi.it, bi.end, &parsePos );
iblk = _acquireInput( ut, pe );
if( ! tval )
{
if( ip.exception == PARSE_EX_ERROR )
{
pe->exception = PARSE_EX_ERROR;
ur_appendTrace( ut, rit->series.buf, 0 );
return 0;
}
if( ip.exception != PARSE_EX_BREAK )
goto failed;
}
}
++rit;
++pos;
break;
case UR_ATOM_SKIP:
repMin = 1;
skip:
if( (pos + repMin) > pe->inputEnd )
goto failed;
pos += repMin;
++rit;
break;
case UR_ATOM_SET:
++rit;
if( rit == rend )
goto unexpected_end;
if( ! ur_is(rit, UT_WORD) )
{
BLK_RULE_ERROR( "parse set expected word" );
}
{
UCell* cell = ur_wordCellM( ut, rit );
CHECK_WORD( cell )
*cell = iblk->ptr.cell[ pos ];
}
++rit;
break;
case UR_ATOM_PLACE:
++rit;
if( (rit != rend) && ur_is(rit, UT_WORD) )
{
tval = ur_wordCell( ut, rit++ );
CHECK_WORD( tval )
if( ur_is(tval, UT_BLOCK) )
{
pos = tval->series.it;
break;
}
}
BLK_RULE_ERROR( "place expected series word" );
//case UR_ATOM_COPY:
default:
{
tval = ur_wordCell( ut, rit );
CHECK_WORD( tval )
if( ur_is(tval, UT_BLOCK) )
{
goto match_block;
}
else
{
BLK_RULE_ERROR( "parse expected block" );
}
}
break;
}
break;
case UT_SETWORD:
{
UCell* cell = ur_wordCellM( ut, rit );
CHECK_WORD( cell )
++rit;
ur_setId( cell, UT_BLOCK );
ur_setSlice( cell, pe->inputBuf, pos, pe->inputEnd );
}
break;
case UT_GETWORD:
{
UCell* cell = ur_wordCellM( ut, rit );
CHECK_WORD( cell )
++rit;
if( ur_is(cell, UT_BLOCK) &&
(cell->series.buf == pe->inputBuf) )
cell->series.end = pos;
}
break;
case UT_LITWORD:
if( pos >= pe->inputEnd )
goto failed;
tval = iblk->ptr.cell + pos;
if( (ur_is(tval, UT_WORD) || ur_is(tval, UT_LITWORD))
&& (ur_atom(tval) == ur_atom(rit)) )
{
++rit;
++pos;
}
else
goto failed;
break;
case UT_INT:
repMin = ur_int(rit);
++rit;
if( rit == rend )
return 0;
if( ur_is(rit, UT_INT) )
{
repMax = ur_int(rit);
++rit;
}
else if( ur_is(rit, UT_WORD) && ur_atom(rit) == UR_ATOM_SKIP )
{
goto skip;
}
else
{
repMax = repMin;
}
goto repeat;
case UT_DATATYPE:
if( pos >= pe->inputEnd )
goto failed;
if( ! ur_isDatatype( iblk->ptr.cell + pos, rit ) )
goto failed;
++rit;
++pos;
break;
case UT_CHAR:
case UT_BINARY:
case UT_STRING:
case UT_FILE:
if( pos >= pe->inputEnd )
goto failed;
if( ! ur_equal( ut, iblk->ptr.cell + pos, rit ) )
goto failed;
++rit;
++pos;
break;
case UT_BLOCK:
tval = rit;
match_block:
{
UBlockIter bi;
UIndex rblkN = tval->series.buf;
ur_blkSlice( ut, &bi, tval );
tval = _parseBlock( ut, pe, bi.it, bi.end, &pos );
iblk = pe->blk;
if( ! tval )
{
if( pe->exception == PARSE_EX_ERROR )
{
ur_appendTrace( ut, rblkN, 0 );
return 0;
}
if( pe->exception == PARSE_EX_BREAK )
pe->exception = PARSE_EX_NONE;
else
goto failed;
}
}
++rit;
break;
case UT_PAREN:
if( UR_OK != pe->eval( ut, rit ) )
goto parse_err;
iblk = _acquireInput( ut, pe );
++rit;
break;
default:
BLK_RULE_ERROR( "invalid parse value" );
}
static void ledit_layout( GWidget* wp )
{
UCell* style = glEnv.guiStyle;
UThread* ut = glEnv.guiUT;
UCell* rc;
EX_PTR;
// Set draw list variables.
rc = style + CI_STYLE_LABEL;
ur_setId( rc, UT_STRING );
ur_setSeries( rc, ep->strN, 0 );
rc = style + CI_STYLE_AREA;
gui_initRectCoord( rc, wp, UR_ATOM_RECT );
// Compile draw lists.
if( ! gDPC )
return;
// Make sure the tgeo vertex buffers are bound before the switch.
// Otherwise only the first case would emit the code to do it.
// NOTE: This assumes the button draw programs actually use tgeo.
dp_tgeoInit( gDPC );
ep->dpSwitch = dp_beginSwitch( gDPC, 2 );
rc = style + CI_STYLE_EDITOR;
if( ur_is(rc, UT_BLOCK) )
ur_compileDP( ut, rc, 1 );
dp_endCase( gDPC, ep->dpSwitch );
rc = style + CI_STYLE_EDITOR_ACTIVE;
if( ur_is(rc, UT_BLOCK) )
ur_compileDP( ut, rc, 1 );
dp_endCase( gDPC, ep->dpSwitch );
dp_endSwitch( gDPC, ep->dpSwitch, ep->state );
setFlag( CHANGED );
#if 0
rc = style + CI_STYLE_EDITOR_CURSOR;
if( ur_is(rc, UT_BLOCK) )
{
DPCompiler dc;
DPCompiler* save;
save = gx_beginDP( &dc );
if( save )
dc.shaderProg = save->shaderProg;
ur_compileDP( ut, rc, 1 );
gx_endDP( ur_buffer( ep->textResN ), save );
//dp_compile( &dc, ut, rc->series.n );
}
#endif
}
/*
Recursively evaluate math expression.
\param cell Cell to evaluate.
\param res Result.
\return UR_OK or UR_THROW.
*/
int calc_eval( UThread* ut, UCell* cell, double* res )
{
switch( ur_type(cell) )
{
case UT_WORD:
{
const UCell* val = ur_wordCell( ut, cell );
if( ! val )
return UR_THROW;
if( ur_is(val, UT_DECIMAL) )
*res = ur_decimal(val);
else if( ur_is(val, UT_INT) || ur_is(val, UT_CHAR) )
*res = (double) ur_int(val);
else
{
return ur_error( ut, UR_ERR_SCRIPT, "Invalid word '%s",
ur_wordCStr( cell ) );
}
}
break;
case UT_DECIMAL:
*res = ur_decimal(cell);
break;
case UT_INT:
case UT_CHAR:
*res = (double) ur_int(cell);
break;
case UT_BLOCK:
case UT_PAREN:
{
UBlockIterM bi;
double num = 0.0;
double right;
#define RIGHT_VAL \
if( ++bi.it == bi.end ) \
return ur_error( ut, UR_ERR_SCRIPT, "Expected operator r-value" ); \
if( ! calc_eval( ut, bi.it, &right ) ) \
return UR_THROW;
if( ! ur_blkSliceM( ut, &bi, cell ) )
return UR_THROW;
ur_foreach( bi )
{
if( ur_is(bi.it, UT_WORD) )
{
switch( ur_atom(bi.it) )
{
case UR_ATOM_PLUS:
RIGHT_VAL
num += right;
break;
case UR_ATOM_MINUS:
RIGHT_VAL
num -= right;
break;
case UR_ATOM_ASTERISK:
RIGHT_VAL
num *= right;
break;
case UR_ATOM_SLASH:
RIGHT_VAL
num /= right;
break;
default:
if( ! calc_eval( ut, bi.it, &num ) )
return UR_THROW;
}
}
else if( ur_is(bi.it, UT_SETWORD) )
{
cell = ur_wordCellM( ut, bi.it );
if( ! cell )
return UR_THROW;
ur_setId( cell, UT_DECIMAL );
ur_decimal(cell) = num;
}
else
{
if( ! calc_eval( ut, bi.it, &num ) )
return UR_THROW;
}
}
*res = num;
}
break;
default:
*res = 0.0;
break;
}
return UR_OK;
}
/*
Returns zero if matching rule not found or exception occured.
*/
static const UCell* _parseBin( UThread* ut, BinaryParser* pe,
const UCell* rit, const UCell* rend,
UIndex* spos )
{
const UCell* set = 0;
const UCell* tval;
uint32_t bitCount;
uint32_t field;
UBuffer* ibin = ur_buffer( pe->inputBufN );
uint8_t* in = ibin->ptr.b + *spos;
uint8_t* inEnd = ibin->ptr.b + pe->inputEnd;
match:
while( rit != rend )
{
switch( ur_type(rit) )
{
case UT_INT:
bitCount = ur_int(rit);
if( bitCount < 1 || bitCount > 32 )
{
ur_error( PARSE_ERR, "bit-field size must be 1 to 32" );
goto parse_err;
}
if( bitCount > 24 )
{
uint32_t high;
in = pullBits( pe, bitCount - 16, in, inEnd, &high );
if( ! in )
goto failed;
in = pullBits( pe, 16, in, inEnd, &field );
if( ! in )
goto failed;
field |= high << 16;
}
else
{
in = pullBits( pe, bitCount, in, inEnd, &field );
if( ! in )
goto failed;
}
goto set_field;
case UT_WORD:
switch( ur_atom(rit) )
{
case UR_ATOM_U8:
if( in == inEnd )
goto failed;
field = *in++;
goto set_field;
case UR_ATOM_U16:
if( (inEnd - in) < 2 )
goto failed;
if( pe->bigEndian )
field = (in[0] << 8) | in[1];
else
field = (in[1] << 8) | in[0];
in += 2;
goto set_field;
case UR_ATOM_U32:
if( (inEnd - in) < 4 )
goto failed;
if( pe->bigEndian )
field = (in[0] << 24) | (in[1] << 16) |
(in[2] << 8) | in[3];
else
field = (in[3] << 24) | (in[2] << 16) |
(in[1] << 8) | in[0];
in += 4;
goto set_field;
case UR_ATOM_SKIP:
++rit;
++in;
break;
#if 0
case UR_ATOM_MARK:
break;
case UR_ATOM_PLACE:
++rit;
if( (rit != rend) && ur_is(rit, UT_WORD) )
{
tval = ur_wordCell( ut, rit++ );
CHECK_WORD(tval);
if( ur_is(tval, UT_BINARY) )
{
pos = tval->series.it;
break;
}
}
ur_error( PARSE_ERR, "place expected series word" );
goto parse_err;
#endif
case UR_ATOM_COPY: // copy dest size
// word! int!/word!
++rit;
if( (rit != rend) && ur_is(rit, UT_WORD) )
{
UCell* res = ur_wordCellM( ut, rit );
CHECK_WORD(res);
if( ++rit != rend )
{
tval = rit++;
if( ur_is(tval, UT_WORD) )
{
tval = ur_wordCell( ut, tval );
CHECK_WORD(tval);
}
if( ur_is(tval, UT_INT) )
{
UBuffer* cb;
int size = ur_int(tval);
cb = ur_makeBinaryCell( ut, size, res );
cb->used = size;
memCpy( cb->ptr.b, in, size );
in += size;
break;
}
}
ur_error( PARSE_ERR, "copy expected int! count" );
goto parse_err;
}
ur_error( PARSE_ERR, "copy expected word! destination" );
goto parse_err;
case UR_ATOM_BIG_ENDIAN:
++rit;
pe->bigEndian = 1;
break;
case UR_ATOM_LITTLE_ENDIAN:
++rit;
pe->bigEndian = 0;
break;
default:
tval = ur_wordCell( ut, rit );
CHECK_WORD(tval);
if( ur_is(tval, UT_CHAR) )
goto match_char;
else if( ur_is(tval, UT_STRING) )
goto match_string;
else if( ur_is(tval, UT_BLOCK) )
goto match_block;
/*
else if( ur_is(tval, UT_BITSET) )
goto match_bitset;
*/
else
{
ur_error( PARSE_ERR,
"parse expected char!/string!/block!" );
goto parse_err;
}
break;
}
break;
case UT_SETWORD:
set = rit++;
while( (rit != rend) && ur_is(rit, UT_SETWORD) )
++rit;
break;
#if 0
case UT_GETWORD:
break;
case UT_INT:
repMin = ur_int(rit);
++rit;
if( rit == rend )
return 0;
if( ur_is(rit, UT_INT) )
{
repMax = ur_int(rit);
++rit;
}
else
{
repMax = repMin;
}
goto repeat;
#endif
case UT_CHAR:
match_char:
if( *in != ur_int(rit) )
goto failed;
++in;
++rit;
break;
case UT_BLOCK:
tval = rit;
match_block:
{
UBlockIter bi;
UIndex pos = in - ibin->ptr.b;
UIndex rblkN = tval->series.buf;
ur_blkSlice( ut, &bi, tval );
tval = _parseBin( ut, pe, bi.it, bi.end, &pos );
ibin = ur_buffer( pe->inputBufN );
if( ! tval )
{
if( pe->exception == PARSE_EX_ERROR )
{
ur_appendTrace( ut, rblkN, 0 );
return 0;
}
if( pe->exception == PARSE_EX_BREAK )
pe->exception = PARSE_EX_NONE;
else
goto failed;
}
in = ibin->ptr.b + pos;
inEnd = ibin->ptr.b + pe->inputEnd;
++rit;
}
break;
case UT_PAREN:
{
UIndex pos = in - ibin->ptr.b;
if( UR_OK != pe->eval( ut, rit ) )
goto parse_err;
/* Re-acquire pointer & check if input modified. */
ibin = ur_buffer( pe->inputBufN );
if( pe->sliced )
{
// We have no way to track changes to the end of a slice,
// so just make sure we remain in valid memery.
if( ibin->used < pe->inputEnd )
pe->inputEnd = ibin->used;
}
else
{
// Not sliced, track input end.
if( ibin->used != pe->inputEnd )
pe->inputEnd = ibin->used;
}
in = ibin->ptr.b + pos;
inEnd = ibin->ptr.b + pe->inputEnd;
++rit;
}
break;
case UT_STRING:
tval = rit;
match_string:
{
UBinaryIter bi;
int size;
ur_binSlice( ut, &bi, tval );
if( ur_strIsUcs2(bi.buf) )
goto bad_enc;
size = bi.end - bi.it;
if( size > (inEnd - in) )
goto failed;
if( match_pattern_8(in, inEnd, bi.it, bi.end) == bi.end )
{
in += size;
++rit;
}
else
goto failed;
}
break;
#if 0
case UT_BITSET:
tval = rit;
match_bitset:
if( pos >= pe->inputEnd )
goto failed;
{
const UBuffer* bin = ur_bufferSer( tval );
int c = istr->ptr.c[ pos ];
if( bitIsSet( bin->ptr.b, c ) )
{
++rit;
++pos;
}
else
goto failed;
}
break;
#endif
default:
ur_error( PARSE_ERR, "invalid parse value" );
//orDatatypeName( ur_type(rit) ) );
goto parse_err;
}
}
//complete:
*spos = in - ibin->ptr.b;
return rit;
set_field:
if( set )
{
UCell* val;
while( set != rit )
{
val = ur_wordCellM( ut, set++ );
CHECK_WORD(val);
ur_setId(val, UT_INT);
ur_int(val) = field;
}
set = 0;
}
++rit;
goto match;
failed:
*spos = in - ibin->ptr.b;
return 0;
bad_enc:
ur_error( ut, UR_ERR_INTERNAL,
"parse binary does not handle UCS2 strings" );
//goto parse_err;
parse_err:
pe->exception = PARSE_EX_ERROR;
return 0;
}
static int _execIO( UThread* ut, char* cmd, UCell* res,
const UBuffer* in, UBuffer* out, UBuffer* err )
{
HANDLE childStdInR;
HANDLE childStdInW;
HANDLE childStdOutR;
HANDLE childStdOutW;
HANDLE childStdErrR;
HANDLE childStdErrW;
SECURITY_ATTRIBUTES sec;
STARTUPINFO si;
PROCESS_INFORMATION pi;
DWORD flags = 0;
sec.nLength = sizeof(SECURITY_ATTRIBUTES);
sec.lpSecurityDescriptor = NULL;
sec.bInheritHandle = TRUE;
childStdOutR = childStdErrR = INVALID_HANDLE_VALUE;
if( in )
{
if( ! CreatePipe( &childStdInR, &childStdInW, &sec, 0 ) )
{
fail0:
return ur_error( ut, UR_ERR_INTERNAL, "CreatePipe failed\n" );
}
// Child does not inherit our end of pipe.
SetHandleInformation( childStdInW, HANDLE_FLAG_INHERIT, 0 );
}
if( out )
{
if( ! CreatePipe( &childStdOutR, &childStdOutW, &sec, 0 ) )
{
fail1:
if( in )
_closePipe( childStdInR, childStdInW );
goto fail0;
}
// Child does not inherit our end of pipe.
SetHandleInformation( childStdOutR, HANDLE_FLAG_INHERIT, 0 );
flags = DETACHED_PROCESS;
}
if( err )
{
if( ! CreatePipe( &childStdErrR, &childStdErrW, &sec, 0 ) )
{
if( out )
_closePipe( childStdOutR, childStdOutW );
goto fail1;
}
// Child does not inherit our end of pipe.
SetHandleInformation( childStdErrR, HANDLE_FLAG_INHERIT, 0 );
flags = DETACHED_PROCESS;
}
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
if( in || out || err )
{
si.hStdInput = in ? childStdInR : NULL;
si.hStdOutput = out ? childStdOutW : GetStdHandle( STD_OUTPUT_HANDLE );
si.hStdError = err ? childStdErrW : GetStdHandle( STD_ERROR_HANDLE );
si.dwFlags = STARTF_USESTDHANDLES;
}
ZeroMemory( &pi, sizeof(pi) );
// Start the child process.
if( ! CreateProcess( NULL, // No module name (use command line).
TEXT(cmd), // Command line.
NULL, // Process handle not inheritable.
NULL, // Thread handle not inheritable.
TRUE, // Handle inheritance.
flags, // Creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si, // Pointer to STARTUPINFO structure.
&pi ) // Pointer to PROCESS_INFORMATION structure.
)
{
if( in )
_closePipe( childStdInR, childStdInW );
if( out )
_closePipe( childStdOutR, childStdOutW );
if( err )
_closePipe( childStdErrR, childStdErrW );
return ur_error( ut, UR_ERR_INTERNAL,
"CreateProcess failed (%d).\n", GetLastError() );
}
if( in )
{
DWORD nw;
CloseHandle( childStdInR );
WriteFile( childStdInW, in->ptr.v,
(in->type == UT_STRING) ? in->used * in->elemSize : in->used,
&nw, NULL );
CloseHandle( childStdInW );
}
if( out || err )
{
if( out )
CloseHandle( childStdOutW );
if( err )
CloseHandle( childStdErrW );
_readPipes( childStdOutR, out, childStdErrR, err );
if( out )
CloseHandle( childStdOutR );
if( err )
CloseHandle( childStdErrR );
}
{
DWORD code;
// Wait until child process exits.
WaitForSingleObject( pi.hProcess, INFINITE );
if( GetExitCodeProcess( pi.hProcess, &code ) )
{
ur_setId(res, UT_INT);
ur_int(res) = code;
}
else
{
ur_setId(res, UT_NONE);
}
}
// Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
return UR_OK;
}
