/* Copyright (C) 2003-2015 LiveCode Ltd.

This file is part of LiveCode.

LiveCode is free software; you can redistribute it and/or modify it under

the terms of the GNU General Public License v3 as published by the Free

Software Foundation.

LiveCode is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or

FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

for more details.

You should have received a copy of the GNU General Public License

along with LiveCode. If not see <http://www.gnu.org/licenses/>. */

#include "prefix.h"

#include "globdefs.h"

#include "objdefs.h"

#include "parsedef.h"

#include "filedefs.h"

#include "mcio.h"

#include "scriptpt.h"

#include "handler.h"

#include "object.h"

#include "dispatch.h"

#include "stack.h"

#include "aclip.h"

#include "vclip.h"

#include "card.h"

#include "group.h"

#include "button.h"

#include "field.h"

#include "image.h"

#include "graphic.h"

#include "eps.h"

#include "scrolbar.h"

#include "player.h"

#include "sellst.h"

#include "stacklst.h"

#include "cardlst.h"

#include "chunk.h"

#include "mcerror.h"

#include "util.h"

#include "debug.h"

#include "variable.h"

#include "globals.h"

#include "syntax.h"

#include "exec.h"

////////////////////////////////////////////////////////////////////////////////

static bool MCChunkTermIsNestable(Chunk_term p_chunk_term)

{

switch (p_chunk_term)

{

case CT_STACK:

case CT_GROUP:

case CT_LAYER:

case CT_ELEMENT:

return true;

default:

return false;

}

}

static bool MCChunkTermHasRange(Chunk_term p_chunk_term)

{

return p_chunk_term >= CT_LINE && p_chunk_term < CT_ELEMENT;

}

////////////////////////////////////////////////////////////////////////////////

#ifdef COLLECTING_CHUNKS

#include "newchunk.h"

class MCSyntaxCollector

{

public:

MCSyntaxCollector(MCScriptPoint& sp, Boolean doingthe, bool p_dest)

: m_sp(sp), m_the(doingthe), m_dest(p_dest)

{

m_start = m_sp . getcurptr();

}

~MCSyntaxCollector(void)

{

m_end = m_sp . getcurptr();

FILE *f;

f = fopen("G:\\Scratch\\Chunks.txt", "a");

if (f != NULL)

{

if (m_dest)

fprintf(f, "C: ");

else

fprintf(f, "E: ");

if (m_the)

fprintf(f, "the ");

for(int32_t i = 0; i < m_end - m_start; ++i)

{

if (m_start[i] == '\\')

{

fputc('\\', f);

fputc('\\', f);

}

else if (m_start[i] == '\n')

{

fputc('\\', f);

fputc('n', f);

}

else

fputc(m_start[i], f);

}

fputc('\n', f);

fclose(f);

}

}

private:

MCScriptPoint& m_sp;

bool m_dest;

Boolean m_the;

const uint1 *m_start;

const uint1 *m_end;

};

#endif

MCCRef::MCCRef()

{

etype = otype = ptype = CT_UNDEFINED;

startpos = endpos = NULL;

next = NULL;

}

MCCRef::~MCCRef()

{

delete startpos;

delete endpos;

}

MCChunk::MCChunk(Boolean isforset)

{

url = stack = background = card = group = object = NULL;

element = NULL;

cline = item = word = token = character = NULL;

paragraph = sentence = trueword = NULL;

codepoint = codeunit = byte = NULL;

source = NULL;

destvar = NULL;

destobj = NULL;

if (isforset)

desttype = DT_ISDEST;

else

desttype = DT_UNDEFINED;

function = F_UNDEFINED;

marked = False;

next = NULL;

// MW-2014-05-28: [[ Bug 11928 ]] We assume (at first) we are not a transient text chunk (i.e. one that is evaluated from a var).

m_transient_text_chunk = false;

}

MCChunk::~MCChunk()

{

delete url;

while (stack != NULL)

{

MCCRef *tptr = stack;

stack = stack->next;

delete tptr;

}

delete background;

delete card;

while(group != NULL)

{

MCCRef *tptr = group;

group = group->next;

delete tptr;

}

while(object != NULL)

{

MCCRef *tptr = object;

object = object->next;

delete tptr;

}

while (element != NULL)

{

MCCRef *tptr = element;

element = element->next;

delete tptr;

}

delete cline;

delete item;

delete word;

delete token;

delete character;

delete codepoint;

delete codeunit;

delete byte;

delete paragraph;

delete sentence;

delete trueword;

delete source;

delete destvar;

}

Parse_stat MCChunk::parse(MCScriptPoint &sp, Boolean doingthe)

{

Symbol_type type;

Boolean need_target = True;

const LT *te;

MCCRef *curref = NULL;

Chunk_term oterm = CT_UNDEFINED;

Chunk_term nterm = CT_UNDEFINED;

Chunk_term lterm = CT_UNDEFINED;

#ifdef COLLECTING_CHUNKS

MCSyntaxCollector collect(sp, doingthe, desttype == DT_ISDEST);

#endif

initpoint(sp);

while (True)

{

if (sp.next(type) != PS_NORMAL)

{

if (need_target)

{

MCperror->add(PE_CHUNK_NOCHUNK, sp);

return PS_ERROR;

}

else

break;

}

if (type == ST_ID)

{

te = NULL;

if (sp.lookup(SP_FACTOR, te) != PS_NORMAL || te->type == TT_PROPERTY)

{

if (need_target)

{

if (desttype == DT_ISDEST && noobjectchunks())

{

MCExpression *newfact = NULL;

// MW-2011-06-22: [[ SERVER ]] Update to use SP findvar method to take into account

// execution outwith a handler.

if (doingthe

|| (sp.findvar(sp.gettoken_nameref(), &destvar) != PS_NORMAL

&& (MCexplicitvariables

|| sp.lookupconstant(&newfact) == PS_NORMAL

|| sp.findnewvar(sp.gettoken_nameref(), kMCEmptyName, &destvar) != PS_NORMAL)))

{

delete newfact;

MCperror->add(PE_CHUNK_NOVARIABLE, sp);

return PS_ERROR;

}

destvar->parsearray(sp);

desttype = DT_VARIABLE;

return PS_NORMAL;

}

else

{

if (doingthe)

sp.backup();

sp.backup();

if (sp.parseexp(True, False, &source) != PS_NORMAL)

{

MCperror->add

(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

desttype = DT_EXPRESSION;

}

}

else

sp.backup();

break;

}

switch (te->type)

{

case TT_THE:

// MW-2013-01-17: [[ Bug 10644 ]] If we have a string chunk of a property

// then it should be evaluated as a string. However, if the string chunk

// is of a previously parsed object then we must pass as a dest so the

// object resolves correctly.

if (desttype != DT_ISDEST && !notextchunks() && noobjectchunks())

{

sp.backup();

if (sp.parseexp(True, False, &source) != PS_NORMAL)

{

MCperror->add

(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

return PS_NORMAL;

}

doingthe = True;

break;

case TT_PREP:

if (need_target)

{

MCperror->add

(PE_CHUNK_BADPREP, sp);

return PS_ERROR;

}

sp.backup();

return PS_NORMAL;

case TT_TO:

if (curref != NULL && MCChunkTermHasRange(lterm))

{

if (curref->etype == CT_RANGE)

{

MCperror->add

(PE_CHUNK_BADRANGE, sp);

return PS_ERROR;

}

curref->etype = CT_RANGE;

if (sp.parseexp(False, False, &curref->endpos) != PS_NORMAL)

{

MCperror->add

(PE_CHUNK_NOENDEXP, sp);

return PS_ERROR;

}

}

else

{

sp.backup();

return PS_NORMAL;

}

break;

case TT_IN:

if (!need_target)

{

sp.backup();

return PS_NORMAL;

}

break;

case TT_OF:

need_target = True;

break;

case TT_CLASS:

if (te->which != CT_MARKED)

{

MCperror->add

(PE_CHUNK_NOCHUNK, sp);

return PS_ERROR;

}

marked = True;

break;

case TT_CHUNK:

nterm = (Chunk_term)te->which;

// MW-2013-08-05: [[ ThisMe ]] If 'this' is followed by 'me' we become 'this me'.

if (nterm == CT_THIS &&

sp . skip_token(SP_FACTOR, TT_FUNCTION, F_ME) == PS_NORMAL)

{

// Destination type is 'this me' handled in MCChunk::getobj()

desttype = DT_THIS_ME;

// Destination object is the script being compiled

destobj = sp.getobj();

// Nothing can come after 'this me' so return success.

return PS_NORMAL;

}

switch (ct_class(nterm))

{

case CT_ORDINAL:

oterm = nterm;

break;

case CT_TYPES:

// MW-2011-08-08: [[ Bug ]] Allow control ... of control ...

if ((lterm != CT_UNDEFINED && nterm > lterm)

|| (nterm == lterm && !MCChunkTermIsNestable(nterm)))

{

MCperror->add(PE_CHUNK_BADORDER, sp);

return PS_ERROR;

}

curref = new (nothrow) MCCRef;

curref->otype = nterm;

if (curref->otype == CT_BACKGROUND || curref->otype == CT_CARD)

{

Symbol_type itype;

const LT *ite;

if (sp.next(itype) == PS_NORMAL)

{

if (sp.lookup(SP_FACTOR, ite) == PS_NORMAL

&& ite->type == TT_CHUNK

&& ite->which >= CT_LAYER && ite->which <= CT_LAST_CONTROL)

{

curref->ptype = curref->otype;

nterm = curref->otype = (Chunk_term)ite->which;

}

else

sp.backup();

}

}

if (oterm == CT_UNDEFINED)

{

if (sp.skip_token(SP_FACTOR, TT_PROPERTY) == PS_NORMAL)

curref->etype = CT_ID;

else

curref->etype = CT_EXPRESSION;

if (sp.parseexp(curref->otype <= CT_LAST_CONTROL, False,

&curref->startpos) != PS_NORMAL)

{

MCperror->add(PE_CHUNK_NOSTARTEXP, sp);

delete curref;

return PS_ERROR;

}

}

else

{

curref->etype = oterm;

oterm = CT_UNDEFINED;

}

switch (curref->otype)

{

case CT_URL:

case CT_URL_HEADER:

url = curref;

break;

case CT_TOP_LEVEL:

case CT_MODELESS:

case CT_PALETTE:

case CT_MODAL:

case CT_PULLDOWN:

case CT_POPUP:

case CT_OPTION:

case CT_STACK:

if (oterm > CT_STACK)

{

MCperror->add(PE_CHUNK_BADSTACKREF, sp);

delete curref;

return PS_ERROR;

}

curref->next = stack;

stack = curref;

break;

case CT_BACKGROUND:

background = curref;

break;

case CT_CARD:

card = curref;

break;

case CT_GROUP:

curref->next = group;

group = curref;

break;

case CT_LAYER:

// MW-2011-08-08: [[ Bug ]] Chain 'control' chunks allowing things like 'graphic ... of control ...'

// where the latter chunk refers to a group.

curref->next = object;

object = curref;

break;

case CT_AUDIO_CLIP:

case CT_VIDEO_CLIP:

case CT_MENU:

case CT_BUTTON:

case CT_SCROLLBAR:

case CT_PLAYER:

case CT_IMAGE:

case CT_FIELD:

case CT_GRAPHIC:

case CT_EPS:

case CT_COLOR_PALETTE:

case CT_MAGNIFY:

case CT_WIDGET:

object = curref;

break;

case CT_ELEMENT:

// Allow a chain of element chunks

curref -> next = element;

element = curref;

break;

case CT_LINE:

cline = curref;

break;

case CT_PARAGRAPH:

paragraph = curref;

break;

case CT_SENTENCE:

sentence = curref;

break;

case CT_ITEM:

item = curref;

break;

case CT_WORD:

word = curref;

break;

case CT_TRUEWORD:

trueword = curref;

break;

case CT_TOKEN:

token = curref;

break;

case CT_CHARACTER:

character = curref;

break;

case CT_CODEPOINT:

codepoint = curref;

break;

case CT_CODEUNIT:

codeunit = curref;

break;

case CT_BYTE:

byte = curref;

break;

default: /* curref->otype */

fprintf(stderr, "MCChunk: ERROR bad chunk type %d\n", nterm);

break;

}

// All text chunks and the element chunk need a target

if (nterm < CT_LINE)

need_target = False;

lterm = nterm;

break;

default: /* chunk class */

MCperror->add(PE_CHUNK_BADCHUNK, sp);

return PS_ERROR;

}

doingthe = False;

break;

case TT_FUNCTION:

function = (Functions)te->which;

switch (function)

{

case F_CLICK_CHUNK:

case F_CLICK_CHAR_CHUNK:

case F_CLICK_FIELD:

case F_CLICK_LINE:

case F_CLICK_TEXT:

case F_FOUND_CHUNK:

case F_FOUND_FIELD:

case F_FOUND_LINE:

case F_FOUND_TEXT:

case F_SELECTED_CHUNK:

case F_SELECTED_FIELD:

case F_SELECTED_IMAGE:

case F_SELECTED_LINE:

case F_SELECTED_TEXT:

case F_MOUSE_CONTROL:

case F_MOUSE_CHUNK:

case F_MOUSE_CHAR_CHUNK:

case F_MOUSE_LINE:

case F_MOUSE_TEXT:

case F_DRAG_SOURCE:

case F_DRAG_DESTINATION:

case F_DROP_CHUNK:

case F_FOCUSED_OBJECT:

if (desttype == DT_ISDEST)

{ // delete the selectedLine of field x

if (function == F_SELECTED_LINE || function == F_SELECTED_CHUNK)

{}

}

else if (!notextchunks())

{

sp.backup();

if (sp.parseexp(True, False, &source) != PS_NORMAL)

{

MCperror->add(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

return PS_NORMAL;

}

desttype = DT_FUNCTION;

break;

case F_ME:

desttype = DT_ME;

destobj = sp.getobj();

break;

case F_MENU_OBJECT:

desttype = DT_MENU_OBJECT;

break;

case F_TARGET:

desttype = DT_TARGET;

break;

// MW-2008-11-05: [[ Owner Reference ]] If we encounter 'the owner of ...' then

// parse the syntax as:

// 'the' owner [ 'of' ] <chunk>

// owner 'of' <chunk>

case F_OWNER:

desttype = DT_OWNER;

if (sp . skip_token(SP_FACTOR, TT_OF) != PS_NORMAL && !doingthe)

{

MCperror -> add(PE_PROPERTY_NOTOF, sp);

return PS_ERROR;

}

source = new (nothrow) MCChunk(False);

if (static_cast<MCChunk *>(source) -> parse(sp, False) != PS_NORMAL)

{

MCperror->add(PE_PROPERTY_BADCHUNK, sp);

return PS_ERROR;

}

return PS_NORMAL;

case F_TEMPLATE_STACK:

case F_TEMPLATE_AUDIO_CLIP:

case F_TEMPLATE_VIDEO_CLIP:

case F_TEMPLATE_GROUP:

case F_TEMPLATE_CARD:

case F_TEMPLATE_BUTTON:

case F_TEMPLATE_FIELD:

case F_TEMPLATE_IMAGE:

case F_TEMPLATE_SCROLLBAR:

case F_TEMPLATE_PLAYER:

case F_TEMPLATE_GRAPHIC:

case F_TEMPLATE_EPS:

desttype = (Dest_type)(te->which - F_TEMPLATE_BUTTON + DT_BUTTON);

break;

case F_SELECTED_OBJECT:

desttype = DT_SELECTED;

break;

case F_TOP_STACK:

desttype = DT_TOP_STACK;

break;

case F_CLICK_STACK:

desttype = DT_CLICK_STACK;

break;

case F_MOUSE_STACK:

desttype = DT_MOUSE_STACK;

break;

default: /* function */

if (need_target && desttype != DT_ISDEST)

{

if (doingthe)

sp.backup();

sp.backup();

if (sp.parseexp(True, False, &source) != PS_NORMAL)

{

MCperror->add(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

// MW-2013-06-20: [[ Bug 10966 ]] Make sure we mark the chunk as being of

// 'expression' type. This means 'source' will be evaluated and then parsed

// as a control reference in 'getobj()' context. This has wider implications

// that just 'controlAtLoc()' - it means any function used on the rhs of

// 'of' for properties will now function correctly.

desttype = DT_EXPRESSION;

return PS_NORMAL;

}

else

{

sp.backup();

if (need_target)

return PS_ERROR;

return PS_NORMAL;

}

}

if (sp.skip_token(SP_FACTOR, TT_LPAREN) == PS_NORMAL)

if (sp.skip_token(SP_FACTOR, TT_RPAREN) != PS_NORMAL)

{

MCperror->add

(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

return PS_NORMAL;

default: /* factor */

if (need_target)

{

if (!noobjectchunks())

{

MCperror->add

(PE_CHUNK_NOCHUNK, sp);

return PS_ERROR;

}

if (desttype != DT_UNDEFINED)

{

MCperror->add

(PE_CHUNK_BADDEST, sp);

return PS_ERROR;

}

if (doingthe)

sp.backup();

sp.backup();

if (sp.parseexp(True, False, &source) != PS_NORMAL)

{

MCperror->add(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

}

else

sp.backup();

return PS_NORMAL;

}

}

else

{ /* token type != ST_ID */

if (need_target)

{

if (!noobjectchunks())

{

MCperror->add(PE_CHUNK_NOCHUNK, sp);

return PS_ERROR;

}

if (desttype != DT_UNDEFINED)

{

MCperror->add(PE_CHUNK_BADDEST, sp);

return PS_ERROR;

}

sp.backup();

if (sp.parseexp(True, True, &source) != PS_NORMAL)

{

MCperror->add(PE_CHUNK_BADEXP, sp);

return PS_ERROR;

}

// MW-2007-07-03: [[ Bug 1925 ]] We have just parsed an expression so set

// the desttype appropriately. This means things such as the foo of (...)

// works correctly.

desttype = DT_EXPRESSION;

}

else

sp.backup();

break;

}

}

return PS_NORMAL;

}

MCVarref *MCChunk::getrootvarref(void)

{

if (destvar != NULL)

return destvar;

if (source != NULL)

return source -> getrootvarref();

return NULL;

}

void MCChunk::take_components(MCChunk *tchunk)

{

if (tchunk->byte != NULL)

{

delete byte;

byte = tchunk->byte;

tchunk->byte = NULL;

}

if (tchunk->codeunit != NULL)

{

delete codeunit;

codeunit = tchunk->codeunit;

tchunk->codeunit = NULL;

}

if (tchunk->codepoint != NULL)

{

delete codepoint;

codepoint = tchunk->codepoint;

tchunk->codepoint = NULL;

}

if (tchunk->character != NULL)

{

delete character;

character = tchunk->character;

tchunk->character = NULL;

}

if (tchunk->token != NULL)

{

delete token;

token = tchunk->token;

tchunk->token = NULL;

}

if (tchunk->word != NULL)

{

delete word;

word = tchunk->word;

tchunk->word = NULL;

}

if (tchunk->trueword != NULL)

{

delete trueword;

trueword = tchunk->trueword;

tchunk->trueword = NULL;

}

if (tchunk->item != NULL)

{

delete item;

item = tchunk->item;

tchunk->item = NULL;

}

if (tchunk->sentence != NULL)

{

delete sentence;

sentence = tchunk->sentence;

tchunk->sentence = NULL;

}

if (tchunk->paragraph != NULL)

{

delete paragraph;

paragraph = tchunk->paragraph;

tchunk->paragraph = NULL;

}

if (tchunk->cline != NULL)

{

delete cline;

cline = tchunk->cline;

tchunk->cline = NULL;

}

// MW-2014-05-28: [[ Bug 11928 ]] As soon as we take components from a chunk then

// mark us as transient text, so that we don't use the same components next time.

m_transient_text_chunk = true;

}

bool MCChunk::getobj(MCExecContext& ctxt, MCObjectPtr& r_object, Boolean p_recurse)

{

r_object . object = nil;

getoptionalobj(ctxt, r_object, p_recurse);

if (r_object . object == nil)

{

ctxt . Throw();

return false;

}

return true;

}

void MCChunk::getoptionalobj(MCExecContext& ctxt, MCObject *&r_object, uint4& r_parid, Boolean p_recurse)

{

MCObjectPtr t_obj_ptr;

getoptionalobj(ctxt, t_obj_ptr, p_recurse);

// ensure that the context does not contain an error until we decide how strict chunk parsing is.

ctxt . IgnoreLastError();

r_object = t_obj_ptr . object;

r_parid = t_obj_ptr . part_id;

}

void MCChunk::getoptionalobj(MCExecContext& ctxt, MCObjectPtr &r_object, Boolean p_recurse)

{

MCObjectPtr t_object;

t_object . object = nil;

t_object . part_id = 0;

r_object . object = nil;

r_object . part_id = 0;

if (desttype != DT_UNDEFINED && desttype != DT_ISDEST)

{

if (desttype == DT_EXPRESSION || desttype == DT_VARIABLE)

{

bool t_error = true;

MCAutoStringRef t_value;

if (p_recurse)

{

if (desttype == DT_EXPRESSION)

ctxt . EvalExprAsStringRef(source, EE_CHUNK_BADOBJECTEXP, &t_value);

else

ctxt . EvalExprAsStringRef(destvar, EE_CHUNK_BADOBJECTEXP, &t_value);

if (ctxt . HasError())

return;

/*

MCAutoValueRef t_value;

ep . copyasvalueref(&t_value);

MCEngineEvalValueAsObject(ctxt, *t_value, t_object);

*/

// SN-2014-04-08 [[ Bug 12147 ]] create button in group command fails

MCScriptPoint sp(ctxt, *t_value);

MCChunk *tchunk = new (nothrow) MCChunk(False);

MCerrorlock++;

Symbol_type type;

if (tchunk->parse(sp, False) == PS_NORMAL

&& sp.next(type) == PS_EOF)

t_error = false;

MCerrorlock--;

if (!t_error)

{

if (tchunk->getobj(ctxt, t_object, False))

take_components(tchunk);

else

t_error= true;

}

delete tchunk;

}

// SN-2013-11-7: If no recurse, there is no error to trigger

// Otherwise, the caller gets a 'marred' context with an error

else

return;

if (t_error)

{

ctxt . LegacyThrow(EE_CHUNK_BADOBJECTEXP, *t_value);

return;

}

}

else if (desttype == DT_OWNER)

{

// MW-2008-11-05: [[ Owner Reference ]] If the desttype is DT_OWNER it means that <source>

// must point to an MCChunk object (as that's how its parsed).

// In this case attempt to evaluate it and then step up one in the ownership chain. Note

// that we can't step higher than a mainstack, so we set objptr to NULL in this case.

if (!static_cast<MCChunk *>(source) -> getobj(ctxt, t_object, True))

{

ctxt . LegacyThrow(EE_CHUNK_BADOBJECTEXP);

return;

}

MCEngineEvalOwnerAsObject(ctxt, t_object, t_object);

}

else if (desttype >= DT_FIRST_OBJECT && desttype < DT_LAST_OBJECT)

{

MCEngineEvalTemplateAsObject(ctxt, desttype, t_object);

}

else

{

switch(desttype)

{

case DT_THIS_ME:

t_object . object = destobj;

t_object . part_id = 0;

break;

case DT_ME:

//MCEngineEvalMeAsObject(ctxt, t_object);

if (ctxt . GetParentScript() == NULL)

{

t_object . object = destobj;

t_object . part_id = 0;

}

else

t_object = ctxt . GetObjectPtr();

break;

case DT_MENU_OBJECT:

MCEngineEvalMenuObjectAsObject(ctxt, t_object);

break;

case DT_TARGET:

MCEngineEvalTargetAsObject(ctxt, t_object);

break;

case DT_ERROR:

MCEngineEvalErrorObjectAsObject(ctxt, t_object);

break;

case DT_SELECTED:

MCInterfaceEvalSelectedObjectAsObject(ctxt, t_object);

break;

case DT_TOP_STACK:

MCInterfaceEvalTopStackAsObject(ctxt, t_object);

break;

case DT_CLICK_STACK:

MCInterfaceEvalClickStackAsObject(ctxt, t_object);

break;

case DT_MOUSE_STACK:

MCInterfaceEvalMouseStackAsObject(ctxt, t_object);

break;

case DT_FUNCTION:

switch (function)

{

case F_CLICK_CHUNK:

case F_CLICK_CHAR_CHUNK:

case F_CLICK_FIELD:

case F_CLICK_LINE:

case F_CLICK_TEXT:

MCInterfaceEvalClickFieldAsObject(ctxt, t_object);

break;

case F_SELECTED_CHUNK:

case F_SELECTED_FIELD:

case F_SELECTED_LINE:

case F_SELECTED_TEXT:

MCInterfaceEvalSelectedFieldAsObject(ctxt, t_object);

break;

case F_SELECTED_IMAGE:

MCInterfaceEvalSelectedImageAsObject(ctxt, t_object);

break;

case F_FOUND_CHUNK:

case F_FOUND_FIELD:

case F_FOUND_LINE:

case F_FOUND_TEXT:

MCInterfaceEvalFoundFieldAsObject(ctxt, t_object);

break;

case F_MOUSE_CONTROL:

case F_MOUSE_CHUNK:

case F_MOUSE_CHAR_CHUNK:

case F_MOUSE_LINE:

case F_MOUSE_TEXT:

MCInterfaceEvalMouseControlAsObject(ctxt, t_object);

break;

case F_FOCUSED_OBJECT:

MCInterfaceEvalFocusedObjectAsObject(ctxt, t_object);

break;

case F_DRAG_SOURCE:

MCPasteboardEvalDragSourceAsObject(ctxt, t_object);

break;

case F_DRAG_DESTINATION:

MCPasteboardEvalDragDestinationAsObject(ctxt, t_object);

break;

case F_DROP_CHUNK:

MCPasteboardEvalDropChunkAsObject(ctxt, t_object);