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Copy pathcmdse.cpp
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3492 lines (3184 loc) · 83.2 KB
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/* 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 "dispatch.h"
#include "object.h"
#include "stack.h"
#include "card.h"
#include "aclip.h"
#include "vclip.h"
#include "player.h"
#include "group.h"
#include "scriptpt.h"
//#include "execpt.h"
#include "handler.h"
#include "cmds.h"
#include "mcerror.h"
#include "chunk.h"
#include "param.h"
#include "util.h"
#include "date.h"
#include "debug.h"
#include "printer.h"
#include "variable.h"
#include "securemode.h"
#include "osspec.h"
#include "image.h"
#include "font.h"
#include "hndlrlst.h"
#include "globals.h"
#include "license.h"
#include "socket.h"
#include "exec.h"
#include "syntax.h"
MCAccept::~MCAccept()
{
delete port;
delete message;
}
Parse_stat MCAccept::parse(MCScriptPoint &sp)
{
initpoint(sp);
if (sp.skip_token(SP_ACCEPT, TT_UNDEFINED, AC_SECURE) == PS_NORMAL)
secure = True;
else if (sp.skip_token(SP_ACCEPT, TT_UNDEFINED, AC_DATAGRAM) == PS_NORMAL)
datagram = True;
sp.skip_token(SP_ACCEPT, TT_UNDEFINED, AC_UNDEFINED); // connections
sp.skip_token(SP_ACCEPT, TT_UNDEFINED, AC_UNDEFINED); // on
sp.skip_token(SP_ACCEPT, TT_UNDEFINED, AC_UNDEFINED); // port
if (sp.parseexp(False, True, &port) != PS_NORMAL)
{
MCperror->add(PE_ACCEPT_BADEXP, sp);
return PS_ERROR;
}
sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH); // with
sp.skip_token(SP_SUGAR, TT_CHUNK, CT_UNDEFINED); // message
if (sp.parseexp(False, True, &message) != PS_NORMAL)
{
MCperror->add(PE_ACCEPT_BADEXP, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) == PS_NORMAL
&& sp.skip_token(SP_SSL, TT_STATEMENT, SSL_VERIFICATION) != PS_NORMAL)
{
//make error
MCperror->add(PE_OPEN_BADMESSAGE, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_SUGAR, TT_PREP, PT_WITHOUT) == PS_NORMAL
&& sp.skip_token(SP_SSL, TT_STATEMENT, SSL_VERIFICATION) == PS_NORMAL)
secureverify = False;
return PS_NORMAL;
}
void MCAccept::exec_ctxt(MCExecContext &ctxt)
{
#ifdef /* MCAccept */ LEGACY_EXEC
// MW-2005-01-28: Fix bug 2412 - accept doesn't clear the result.
MCresult -> clear(False);
if (MCsecuremode & MC_SECUREMODE_NETWORK)
{
MCeerror->add(EE_NETWORK_NOPERM, line, pos);
return ES_ERROR;
}
if (port->eval(ep) != ES_NORMAL || ep.ton() != ES_NORMAL)
{
MCeerror->add(EE_ACCEPT_BADEXP, line, pos);
return ES_ERROR;
}
uint2 port = ep.getuint2();
if (message->eval(ep) != ES_NORMAL)
{
MCeerror->add(EE_ACCEPT_BADEXP, line, pos);
return ES_ERROR;
}
MCAutoNameRef t_message_name;
/* UNCHECKED */ ep . copyasnameref(t_message_name);
MCSocket *s = MCS_accept(port, ep.getobj(), t_message_name, datagram, secure, secureverify, NULL);
if (s != NULL)
{
MCU_realloc((char **)&MCsockets, MCnsockets,
MCnsockets + 1, sizeof(MCSocket *));
MCsockets[MCnsockets++] = s;
}
return ES_NORMAL;
#endif /* MCAccept */
uinteger_t t_port;
if (!ctxt . EvalExprAsUInt(port, EE_ACCEPT_BADEXP, t_port))
return;
MCNewAutoNameRef t_message;
if (!ctxt . EvalExprAsNameRef(message, EE_ACCEPT_BADEXP, &t_message))
return;
if (datagram)
MCNetworkExecAcceptDatagramConnectionsOnPort(ctxt, t_port, *t_message);
else if (secure)
MCNetworkExecAcceptSecureConnectionsOnPort(ctxt, t_port, *t_message, secureverify == True);
else
MCNetworkExecAcceptConnectionsOnPort(ctxt, t_port, *t_message);
}
void MCAccept::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
port -> compile(ctxt);
message -> compile(ctxt);
if (datagram)
MCSyntaxFactoryExecMethod(ctxt, kMCNetworkExecAcceptDatagramConnectionsOnPortMethodInfo);
else if (secure)
{
MCSyntaxFactoryEvalConstantBool(ctxt, secureverify == True);
MCSyntaxFactoryExecMethod(ctxt, kMCNetworkExecAcceptSecureConnectionsOnPortMethodInfo);
}
else
MCSyntaxFactoryExecMethod(ctxt, kMCNetworkExecAcceptConnectionsOnPortMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
MCBeep::~MCBeep()
{
delete times;
}
Parse_stat MCBeep::parse(MCScriptPoint &sp)
{
initpoint(sp);
MCScriptPoint oldsp(sp);
MCerrorlock++;
if (sp.parseexp(False, True, ×) != PS_NORMAL)
{
sp = oldsp;
delete times;
times = NULL;
}
MCerrorlock--;
return PS_NORMAL;
}
void MCBeep::exec_ctxt(MCExecContext& ctxt)
{
#ifdef /* MCBeep */ LEGACY_EXEC
uint4 i = 1;
if (times != NULL)
{
if (times->eval(ep) != ES_NORMAL || ep.ton() != ES_NORMAL)
{
MCeerror->add(EE_BEEP_BADEXP, line, pos);
return ES_ERROR;
}
i = ep.getuint4();
}
while (i--)
{
MCscreen->beep();
// MW-2010-01-08: [[ Bug 1690 ]] We need a break on all beeps but the last
if (i >= 1)
{
// MW-2008-03-17: [[ Bug 6098 ]] Make sure we check for an abort from wait
if (MCscreen->wait(BEEP_INTERVAL, False, False))
{
MCeerror -> add(EE_WAIT_ABORT, line, pos);
return ES_ERROR;
}
}
}
return ES_NORMAL;
#endif /* MCBeep */
uinteger_t t_count;
if (!ctxt . EvalOptionalExprAsUInt(times, 1, EE_BEEP_BADEXP, t_count))
return;
MCInterfaceExecBeep(ctxt, t_count);
}
void MCBeep::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
if (times != nil)
times -> compile(ctxt);
else
MCSyntaxFactoryEvalConstantUInt(ctxt, 1);
MCSyntaxFactoryExecMethod(ctxt, kMCInterfaceExecBeepMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
void MCBreakPoint::exec_ctxt(MCExecContext& ctxt)
{
#ifdef /* MCBreakPoint */ LEGACY_EXEC
MCB_break(ep, getline(), getpos());
return ES_NORMAL;
#endif /* MCBreakPoint */
MCDebuggingExecBreakpoint(ctxt, line, pos);
}
void MCBreakPoint::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
MCSyntaxFactoryEvalConstantUInt(ctxt, line);
MCSyntaxFactoryEvalConstantUInt(ctxt, pos);
MCSyntaxFactoryExecMethod(ctxt, kMCDebuggingExecBreakpointMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
MCCancel::~MCCancel()
{
delete m_id;
}
Parse_stat MCCancel::parse(MCScriptPoint &sp)
{
initpoint(sp);
if (sp . skip_token(SP_RESET, TT_UNDEFINED, RT_PRINTING) == PS_NORMAL)
{
m_id = NULL;
}
else if (sp.parseexp(False, True, &m_id) != PS_NORMAL)
{
MCperror->add(PE_CANCEL_BADEXP, sp);
return PS_ERROR;
}
return PS_NORMAL;
}
void MCCancel::exec_ctxt(MCExecContext& ctxt)
{
#ifdef /* MCCancel */ LEGACY_EXEC
if (id == NULL)
{
MCprinter -> Cancel();
if (MCprinter != MCsystemprinter)
{
delete MCprinter;
MCprinter = MCsystemprinter;
}
return ES_NORMAL;
}
if (id->eval(ep) != ES_NORMAL || ep.ton() != ES_NORMAL)
{
MCeerror->add(EE_CANCEL_IDNAN, line, pos);
return ES_ERROR;
}
if (ep.getuint4() != 0)
MCscreen->cancelmessageid(ep.getuint4());
return ES_NORMAL;
#endif /* MCCancel */
if (m_id == NULL)
MCPrintingExecCancelPrinting(ctxt);
else
{
integer_t t_id;
if (!ctxt . EvalExprAsInt(m_id, EE_CANCEL_IDNAN, t_id))
return;
MCEngineExecCancelMessage(ctxt, t_id);
}
}
void MCCancel::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
if (m_id == nil)
MCSyntaxFactoryExecMethod(ctxt, kMCPrintingExecCancelPrintingMethodInfo);
else
{
m_id -> compile(ctxt);
MCSyntaxFactoryExecMethod(ctxt, kMCEngineExecCancelMessageMethodInfo);
}
MCSyntaxFactoryEndStatement(ctxt);
}
MCClickCmd::~MCClickCmd()
{
delete button;
delete location;
}
Parse_stat MCClickCmd::parse(MCScriptPoint &sp)
{
initpoint(sp);
sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH);
if (sp.skip_token(SP_FACTOR, TT_CHUNK, CT_BUTTON) == PS_NORMAL)
{
if (sp.parseexp(False, True, &button) != PS_NORMAL)
{
MCperror->add(PE_CLICK_BADBUTTONEXP, sp);
return PS_ERROR;
}
}
if (sp.skip_token(SP_FACTOR, TT_PREP, PT_AT) != PS_NORMAL)
{
MCperror->add(PE_CLICK_NOAT, sp);
return PS_ERROR;
}
if (sp.parseexp(False, True, &location) != PS_NORMAL)
{
MCperror->add(PE_CLICK_BADLOCATIONEXP, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) == PS_NORMAL)
return getmods(sp, mstate);
return PS_NORMAL;
}
void MCClickCmd::exec_ctxt(MCExecContext& ctxt)
{
#ifdef /* MCClickCmd */ LEGACY_EXEC
if (button != NULL)
{
if (button->eval(ep) != ES_NORMAL || ep.ton() != ES_NORMAL)
{
MCeerror->add(EE_CLICK_BADBUTTON, line, pos);
return ES_ERROR;
}
which = ep.getuint2();
}
if (location->eval(ep) != ES_NORMAL)
{
MCeerror->add(EE_CLICK_BADLOCATION, line, pos);
return ES_ERROR;
}
MCPoint t_clickloc;
if (!MCU_stoi2x2(ep.getsvalue(), t_clickloc.x, t_clickloc.y))
{
MCeerror->add(EE_CLICK_NAP, line, pos, ep.getsvalue());
return ES_ERROR;
}
if (!MCdefaultstackptr->getopened()
|| !MCdefaultstackptr->haswindow())
{
MCeerror->add(EE_CLICK_STACKNOTOPEN, line, pos, ep.getsvalue());
return ES_ERROR;
}
// IM-2013-09-23: [[ FullscreenMode ]] get / set mouseloc & clickloc in view coords
MCPoint t_view_clickloc;
// IM-2014-01-06: [[ Bug 11624 ]] Use MCStack::stacktowindowloc to account for stack scroll
t_view_clickloc = MCdefaultstackptr->stacktowindowloc(t_clickloc);
uint2 oldmstate = MCmodifierstate;
uint2 oldbstate = MCbuttonstate;
MCStack *t_old_mousestack;
MCPoint t_old_mouseloc;
MCscreen->getmouseloc(t_old_mousestack, t_old_mouseloc);
MCscreen->setmouseloc(MCdefaultstackptr, t_view_clickloc);
MCmodifierstate = mstate;
MCbuttonstate |= 0x1L << (which - 1);
MCdispatcher->wmfocus_stack(MCdefaultstackptr, t_view_clickloc.x, t_view_clickloc.y);
MCmodifierstate = mstate;
MCbuttonstate |= 0x1L << (which - 1);
MCdispatcher->wmdown_stack(MCdefaultstackptr, which);
// **** NULL POINTER FIX
if (MCmousestackptr != NULL)
MCscreen->sync(MCmousestackptr->getw());
Boolean abort = MCscreen->wait(CLICK_INTERVAL, False, False);
MCscreen->setclickloc(MCdefaultstackptr, t_view_clickloc);
MCmodifierstate = mstate;
MCbuttonstate &= ~(0x1L << (which - 1));
MCdispatcher->wmup_stack(MCdefaultstackptr, which);
MCmodifierstate = oldmstate;
MCbuttonstate = oldbstate;
MCControl *mfocused = MCdefaultstackptr->getcard()->getmfocused();
if (mfocused != NULL
&& (mfocused->gettype() == CT_GRAPHIC
&& mfocused->getstate(CS_CREATE_POINTS)
|| (mfocused->gettype() == CT_IMAGE && mfocused->getstate(CS_DRAW)
&& MCdefaultstackptr->gettool(mfocused) == T_POLYGON)))
mfocused->doubleup(1); // cancel polygon create
if (t_old_mousestack == NULL || t_old_mousestack->getmode() != 0)
{
MCscreen->setmouseloc(t_old_mousestack, t_old_mouseloc);
if (t_old_mousestack != NULL)
MCdispatcher->wmfocus_stack(t_old_mousestack, t_old_mouseloc.x, t_old_mouseloc.y);
}
if (abort)
{
MCeerror->add(EE_CLICK_ABORT, line, pos);
return ES_ERROR;
}
return ES_NORMAL;
#endif /* MCClickCmd */
uinteger_t t_which;
if (!ctxt . EvalOptionalExprAsUInt(button, which, EE_CLICK_BADBUTTON, t_which))
return;
which = t_which;
MCPoint t_location;
if (!ctxt . EvalExprAsPoint(location, EE_CLICK_BADLOCATION, t_location))
return;
MCInterfaceExecClickCmd(ctxt, which, t_location, mstate);
}
void MCClickCmd::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
if (button != nil)
button -> compile(ctxt);
else
MCSyntaxFactoryEvalConstantUInt(ctxt, which);
location -> compile(ctxt);
MCSyntaxFactoryEvalConstantUInt(ctxt, mstate);
MCSyntaxFactoryExecMethod(ctxt, kMCInterfaceExecClickCmdMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
MCDrag::~MCDrag()
{
delete button;
delete startloc;
delete endloc;
}
Parse_stat MCDrag::parse(MCScriptPoint &sp)
{
initpoint(sp);
sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH);
if (sp.skip_token(SP_FACTOR, TT_CHUNK, CT_BUTTON) == PS_NORMAL)
{
if (sp.parseexp(False, True, &button) != PS_NORMAL)
{
MCperror->add(PE_DRAG_BADBUTTONEXP, sp);
return PS_ERROR;
}
}
if (sp.skip_token(SP_FACTOR, TT_FROM, PT_FROM) != PS_NORMAL)
{
MCperror->add(PE_DRAG_NOFROM, sp);
return PS_ERROR;
}
if (sp.parseexp(False, True, &startloc) != PS_NORMAL)
{
MCperror->add(PE_DRAG_BADSTARTLOCEXP, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_FACTOR, TT_TO, PT_TO) != PS_NORMAL)
{
MCperror->add(PE_DRAG_NOTO, sp);
return PS_ERROR;
}
if (sp.parseexp(False, True, &endloc) != PS_NORMAL)
{
MCperror->add(PE_DRAG_BADENDLOCEXP, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) == PS_NORMAL)
return getmods(sp, mstate);
return PS_NORMAL;
}
void MCDrag::exec_ctxt(MCExecContext& ctxt)
{
#ifdef /* MCDrag */ LEGACY_EXEC
if (button != NULL)
{
if (button->eval(ep) != ES_NORMAL || ep.ton() != ES_NORMAL)
{
MCeerror->add(EE_DRAG_BADBUTTON, line, pos);
return ES_ERROR;
}
which = ep.getuint2();
}
if (startloc->eval(ep) != ES_NORMAL)
{
MCeerror->add(EE_DRAG_BADSTARTLOC, line, pos);
return ES_ERROR;
}
int2 sx, sy;
if (!MCU_stoi2x2(ep.getsvalue(), sx, sy))
{
MCeerror->add(EE_DRAG_STARTNAP, line, pos, ep.getsvalue());
return ES_ERROR;
}
if (endloc->eval(ep) != ES_NORMAL)
{
MCeerror->add(EE_DRAG_BADENDLOC, line, pos);
return ES_ERROR;
}
int2 ex, ey;
if (!MCU_stoi2x2(ep.getsvalue(), ex, ey))
{
MCeerror->add(EE_DRAG_ENDNAP, line, pos, ep.getsvalue());
return ES_ERROR;
}
uint2 oldmstate = MCmodifierstate;
uint2 oldbstate = MCbuttonstate;
int2 oldx = MCmousex;
int2 oldy = MCmousey;
MCmodifierstate = mstate;
MCbuttonstate = 0x1 << (which - 1);
MCmousex = sx;
MCmousey = sy;
//MCdragging = True;
MCscreen->setlockmods(True);
MCdefaultstackptr->mfocus(sx, sy);
MCdefaultstackptr->mdown(which);
if (MCdragspeed == 0)
{
MCmousex = ex;
MCmousey = ey;
MCdefaultstackptr->mfocus(ex, ey);
MCdefaultstackptr->mup(which, false);
MCscreen->setlockmods(False);
MCmodifierstate = oldmstate;
MCbuttonstate = oldbstate;
MCmousex = oldx;
MCmousey = oldy;
return ES_NORMAL;
}
MCscreen->sync(MCdefaultstackptr->getw());
real8 dx = MCU_abs(ex - sx);
real8 dy = MCU_abs(ey - sy);
real8 ix = 0.0;
if (dx != 0.0)
ix = dx / (ex - sx);
real8 iy = 0.0;
if (dy != 0.0)
iy = dy / (ey - sy);
real8 starttime = MCS_time();
real8 curtime = starttime;
real8 duration = 0.0;
if (MCdragspeed != 0)
duration = sqrt((double)(dx * dx + dy * dy)) / (real8)MCdragspeed;
real8 endtime = starttime + duration;
Boolean abort = False;
MCdragging = True;
int2 x = sx;
int2 y = sy;
while (x != ex || y != ey)
{
int2 oldx = x;
int2 oldy = y;
x = sx + (int2)(ix * (dx * (curtime - starttime) / duration));
y = sy + (int2)(iy * (dy * (curtime - starttime) / duration));
if (MCscreen->wait((real8)MCsyncrate / 1000.0, False, True))
{
abort = True;
break;
}
curtime = MCS_time();
if (curtime >= endtime)
{
x = ex;
y = ey;
curtime = endtime;
}
if (x != oldx || y != oldy)
MCdefaultstackptr->mfocus(x, y);
}
MCdefaultstackptr->mup(which, false);
MCmodifierstate = oldmstate;
MCbuttonstate = oldbstate;
MCmousex = oldx;
MCmousey = oldy;
MCscreen->setlockmods(False);
MCdragging = False;
if (abort)
{
MCeerror->add(EE_DRAG_ABORT, line, pos);
return ES_ERROR;
}
return ES_NORMAL;
#endif /* MCDrag */
uinteger_t t_which;
if (!ctxt . EvalOptionalExprAsUInt(button, which, EE_DRAG_BADBUTTON, t_which))
return;
which = t_which;
MCPoint t_start;
if (!ctxt . EvalExprAsPoint(startloc, EE_DRAG_BADSTARTLOC, t_start))
return;
MCPoint t_end;
if (!ctxt . EvalExprAsPoint(endloc, EE_DRAG_BADENDLOC, t_end))
return;
MCInterfaceExecDrag(ctxt, which, t_start, t_end, mstate);
}
void MCDrag::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
if (button != nil)
button -> compile(ctxt);
else
MCSyntaxFactoryEvalConstantUInt(ctxt, which);
startloc -> compile(ctxt);
endloc -> compile(ctxt);
MCSyntaxFactoryEvalConstantUInt(ctxt, mstate);
MCSyntaxFactoryExecMethod(ctxt, kMCInterfaceExecDragMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
MCFocus::~MCFocus()
{
delete object;
}
Parse_stat MCFocus::parse(MCScriptPoint &sp)
{
initpoint(sp);
sp.skip_token(SP_FACTOR, TT_OF, PT_ON);
// MW-2008-01-30: [[ Bug 5676 ]] Add "focus on nothing" to allow unfocusing
// all objects on a card.
if (sp.skip_token(SP_SUGAR, TT_UNDEFINED, SG_NOTHING) == PS_NORMAL)
object = NULL;
else
{
object = new MCChunk(False);
if (object->parse(sp, False) != PS_NORMAL)
{
MCperror->add(PE_FOCUS_BADOBJECT, sp);
return PS_ERROR;
}
}
return PS_NORMAL;
}
void MCFocus::exec_ctxt(MCExecContext &ctxt)
{
#ifdef /* MCFocus */ LEGACY_EXEC
MCObject *optr;
uint4 parid;
if (object == NULL)
{
if (MCfocusedstackptr != NULL && MCfocusedstackptr -> getcard() != NULL)
MCfocusedstackptr -> getcard() -> kunfocus();
#ifdef _MOBILE
// Make sure the IME is forced closed if explicitly asked to be.
MCscreen -> closeIME();
#endif
}
else
{
if (object->getobj(ep, optr, parid, True) != ES_NORMAL
|| optr->gettype() < CT_BUTTON || !optr->getflag(F_TRAVERSAL_ON))
{
MCeerror->add(EE_FOCUS_BADOBJECT, line, pos);
return ES_ERROR;
}
optr->getstack()->kfocusset((MCControl *)optr);
}
return ES_NORMAL;
#endif /* MCFocus */
if (object == NULL)
MCInterfaceExecFocusOnNothing(ctxt);
else
{
MCObject *optr;
uint4 parid;
if (!object->getobj(ctxt, optr, parid, True)
|| optr->gettype() < CT_FIRST_CONTROL
|| optr->gettype() > CT_LAST_CONTROL)
{
ctxt . LegacyThrow(EE_FOCUS_BADOBJECT);
return;
}
MCInterfaceExecFocusOn(ctxt, optr);
}
}
void MCFocus::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
if (object == nil)
MCSyntaxFactoryExecMethod(ctxt, kMCInterfaceExecFocusOnNothingMethodInfo);
else
{
object -> compile_object_ptr(ctxt);
MCSyntaxFactoryExecMethod(ctxt, kMCInterfaceExecFocusOnMethodInfo);
}
MCSyntaxFactoryEndStatement(ctxt);
}
MCInsert::~MCInsert()
{
delete target;
}
Parse_stat MCInsert::parse(MCScriptPoint &sp)
{
Symbol_type type;
const LT *te;
initpoint(sp);
sp.skip_token(SP_FACTOR, TT_THE);
if (sp.skip_token(SP_FACTOR, TT_PROPERTY, P_SCRIPT) != PS_NORMAL
|| sp.skip_token(SP_FACTOR, TT_OF) != PS_NORMAL)
{
MCperror->add(PE_INSERT_NOSCRIPT, sp);
return PS_ERROR;
}
target = new MCChunk(False);
if (target->parse(sp, False) != PS_NORMAL)
{
MCperror->add(PE_INSERT_BADOBJECT, sp);
return PS_ERROR;
}
if (sp.skip_token(SP_FACTOR, TT_PREP, PT_INTO) != PS_NORMAL)
{
MCperror->add(PE_INSERT_NOINTO, sp);
return PS_ERROR;
}
if (sp.next(type) != PS_NORMAL
|| sp.lookup(SP_INSERT, te) != PS_NORMAL)
{
MCperror->add(PE_INSERT_NOPLACE, sp);
return PS_ERROR;
}
where = (Insert_point)te->which;
return PS_NORMAL;
}
void MCInsert::exec_ctxt(MCExecContext &ctxt)
{
#ifdef /* MCInsert */ LEGACY_EXEC
MCObject *optr;
uint4 parid;
if (target->getobj(ep, optr, parid, True) != ES_NORMAL
|| !optr->parsescript(True))
{
MCeerror->add(EE_INSERT_BADTARGET, line, pos);
return ES_ERROR;
}
MCObjectList *&listptr = where == IP_FRONT ? MCfrontscripts : MCbackscripts;
optr->removefrom(listptr);
uint4 count = 0;
if (listptr != NULL)
{
MCObjectList *olptr = listptr;
do
{
if (!olptr->getremoved())
count++;
olptr = olptr->next();
}
while (olptr != listptr);
}
if (MClicenseparameters . insert_limit > 0 && count >= MClicenseparameters . insert_limit)
{
MCeerror->add(EE_INSERT_NOTLICENSED, line, pos);
return ES_ERROR;
}
MCObjectList *olptr = new MCObjectList(optr);
olptr->insertto(listptr);
return ES_NORMAL;
#endif /* MCInsert */
MCObject *optr;
uint4 parid;
if (!target->getobj(ctxt, optr, parid, True))
{
ctxt . LegacyThrow(EE_INSERT_BADTARGET);
return;
}
MCEngineExecInsertScriptOfObjectInto(ctxt, optr, where == IP_FRONT);
}
void MCInsert::compile(MCSyntaxFactoryRef ctxt)
{
MCSyntaxFactoryBeginStatement(ctxt, line, pos);
target -> compile_object_ptr(ctxt);
MCSyntaxFactoryEvalConstantBool(ctxt, where == IP_FRONT);
MCSyntaxFactoryExecMethod(ctxt, kMCEngineExecInsertScriptOfObjectIntoMethodInfo);
MCSyntaxFactoryEndStatement(ctxt);
}
// MW-2008-11-05: [[ Dispatch Command ]] Implementation for the dispatch command.
MCDispatchCmd::~MCDispatchCmd(void)
{
while(params != NULL)
{
MCParameter *t_param;
t_param = params;
params = params -> getnext();
delete t_param;
}
delete target;
delete message;
}
// Syntax is:
// dispatch [ command | function ] <message: Expression> [ with <parameters: ParamList> ]
// dispatch [ command | function ] <message: Expression> [ to <target: Chunk> ] [ with <parameters: ParamList> ]
Parse_stat MCDispatchCmd::parse(MCScriptPoint& sp)
{
initpoint(sp);
// MW-2009-09-11: Added support for command/function specification
if (sp . skip_token(SP_HANDLER, TT_HANDLER, HT_FUNCTION) == PS_NORMAL)
is_function = true;
else
sp . skip_token(SP_HANDLER, TT_HANDLER, HT_MESSAGE);
if (sp . parseexp(False, True, &message) != PS_NORMAL)
{
MCperror->add(PE_DISPATCH_BADMESSAGE, sp);
return PS_ERROR;
}
// MW-2008-12-04: Added 'to <target>' form to the syntax
if (sp.skip_token(SP_FACTOR, TT_TO) == PS_NORMAL)
{
target = new MCChunk(False);
if (target -> parse(sp, False) != PS_NORMAL)
{
MCperror->add(PE_DISPATCH_BADTARGET, sp);
return PS_ERROR;
}
}
if (sp . skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) == PS_NORMAL)
{
if (getparams(sp, ¶ms) != PS_NORMAL)
{
MCperror -> add(PE_DISPATCH_BADPARAMS, sp);
return PS_ERROR;
}
}
return PS_NORMAL;
}
// This method follows along the same lines as MCComref::exec
void MCDispatchCmd::exec_ctxt(MCExecContext &ctxt)
{
#ifdef /* MCDispatchCmd */ LEGACY_EXEC
if (MCscreen->abortkey())
{
MCeerror->add(EE_HANDLER_ABORT, line, pos);
return ES_ERROR;
}
if (message -> eval(ep) != ES_NORMAL)
{
MCeerror -> add(EE_DISPATCH_BADMESSAGEEXP, line, pos);
return ES_ERROR;
}
MCAutoNameRef t_message;
/* UNCHECKED */ ep . copyasnameref(t_message);
// Evaluate the target object (if we parsed a 'target' chunk).
MCObject *t_object;
uint4 t_object_part_id;
if (target == NULL)
t_object = ep.getobj();
else if (target->getobj(ep, t_object, t_object_part_id, True) != ES_NORMAL)
{
MCeerror->add(EE_DISPATCH_BADTARGET, line, pos);
return ES_ERROR;
}
// Evaluate the parameter list
Exec_stat stat;
MCParameter *tptr = params;
while (tptr != NULL)
{
// Get the pointer to the variable this parameter maps to or NULL
// if it is an expression.
MCVariable* t_var;
t_var = tptr -> evalvar(ep);
if (t_var == NULL)
{
tptr -> clear_argument();
while ((stat = tptr->eval(ep)) != ES_NORMAL && (MCtrace || MCnbreakpoints) && !MCtrylock && !MClockerrors)
if (!MCB_error(ep, line, pos, EE_STATEMENT_BADPARAM))
break;
if (stat != ES_NORMAL)
{
MCeerror->add(EE_STATEMENT_BADPARAM, line, pos);
return ES_ERROR;
}
tptr->set_argument(ep);
}
else
tptr->set_argument_var(t_var);
tptr = tptr->getnext();
}
// Fetch current default stack and target settings
MCStack *t_old_stack;
t_old_stack = MCdefaultstackptr;
MCObject *t_old_target;
t_old_target = MCtargetptr;
// Cache the current 'this stack' (used to see if we should switch back
// the default stack).
MCStack *t_this_stack;
t_this_stack = t_object -> getstack();
// Retarget this stack and the target to be relative to the target object
MCdefaultstackptr = t_this_stack;
MCtargetptr = t_object;
// MW-2012-10-30: [[ Bug 10478 ]] Turn off lockMessages before dispatch.
Boolean t_old_lock;
t_old_lock = MClockmessages;
MClockmessages = False;
// Add a new entry in the execution contexts