livecode/engine/src/cmdsm.cpp at develop · livecodeali/livecode · GitHub

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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 "scriptpt.h"

#include "cmds.h"

#include "handler.h"

#include "chunk.h"

#include "mcerror.h"

#include "globals.h"

#include "osspec.h"

#include "exec.h"

#include "variable.h"

#include <float.h>

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

MCAdd::~MCAdd()

{

delete source;

delete dest;

// MW-2013-08-01: [[ Bug 10925 ]] Only delete the destvar varref if dest is NULL,

// otherwise its owned by dest.

if (dest == NULL)

delete destvar;

}

Parse_stat MCAdd::parse(MCScriptPoint &sp)

{

initpoint(sp);

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

{

MCperror->add(PE_ADD_BADEXP, sp);

return PS_ERROR;

}

if (sp.skip_token(SP_FACTOR, TT_TO) == PS_ERROR)

{

MCperror->add(PE_ADD_NOTO, sp);

return PS_ERROR;

}

Symbol_type type;

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

// execution outwith a handler.

if (sp.next(type) != PS_NORMAL || type != ST_ID || sp.findvar(sp.gettoken_nameref(), &destvar) != PS_NORMAL)

{

sp.backup();

dest = new (nothrow) MCChunk(True);

if (dest->parse(sp, False) != PS_NORMAL)

{

MCperror->add(PE_ADD_BADDEST, sp);

return PS_ERROR;

}

else

destvar->parsearray(sp);

// MW-2013-08-01: [[ Bug 10925 ]] If the dest chunk is just a var, extract the varref.

if (dest != NULL && dest -> isvarchunk())

destvar = dest -> getrootvarref();

return PS_NORMAL;

}

// MW-2007-07-03: [[ Bug 5123 ]] - Strict array checking modification

// Here the source can be an array or number so we use 'tona'.

void MCAdd::exec_ctxt(MCExecContext &ctxt)

{

MCExecValue t_src;

if (!ctxt . EvaluateExpression(source, EE_ADD_BADSOURCE, t_src)

|| !ctxt . ConvertToNumberOrArray(t_src))

{

ctxt.LegacyThrow(EE_ADD_BADSOURCE);

return;

}

MCExecValue t_dst;

MCContainer t_dst_container;

if (destvar != nil)

{

if (!destvar->evalcontainer(ctxt, t_dst_container) ||

!t_dst_container.eval_ctxt(ctxt, t_dst))

{

ctxt . LegacyThrow(EE_ADD_BADDEST);

MCExecTypeRelease(t_src);

return;

}

else

{

if (!ctxt . EvaluateExpression(dest, EE_ADD_BADDEST, t_dst))

{

MCExecTypeRelease(t_src);

return;

}

if (!ctxt . ConvertToNumberOrArray(t_dst))

{

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

ctxt.LegacyThrow(EE_ADD_BADDEST);

return;

}

MCExecValue t_result;

t_result . type = t_dst . type;

if (t_src . type == kMCExecValueTypeArrayRef)

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecAddArrayToArray(ctxt, t_src . arrayref_value, t_dst . arrayref_value, t_result . arrayref_value);

else

{

ctxt . LegacyThrow(EE_ADD_MISMATCH);

return;

}

else

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecAddNumberToArray(ctxt, t_src . double_value, t_dst . arrayref_value, t_result . arrayref_value);

else

MCMathExecAddNumberToNumber(ctxt, t_src . double_value, t_dst . double_value, t_result . double_value);

}

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

if (!ctxt . HasError())

{

if (destvar != nil)

{

if (!t_dst_container.give_value(ctxt, t_result))

ctxt . Throw();

}

else

{

if (dest->set(ctxt, PT_INTO, t_result))

return;

ctxt . LegacyThrow(EE_ADD_CANTSET);

}

MCDivide::~MCDivide()

{

delete source;

delete dest;

// MW-2013-08-01: [[ Bug 10925 ]] Only delete the destvar varref if dest is NULL,

// otherwise its owned by dest.

if (dest == NULL)

delete destvar;

}

Parse_stat MCDivide::parse(MCScriptPoint &sp)

{

initpoint(sp);

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

// execution outwith a handler.

Symbol_type type;

if (sp.next(type) != PS_NORMAL

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

{

sp.backup();

dest = new (nothrow) MCChunk(True);

if (dest->parse(sp, False) != PS_NORMAL)

{

MCperror->add(PE_DIVIDE_BADDEST, sp);

return PS_ERROR;

}

else

destvar->parsearray(sp);

if (sp.skip_token(SP_FACTOR, TT_PREP) == PS_ERROR)

{

MCperror->add(PE_DIVIDE_NOBY, sp);

return PS_ERROR;

}

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

{

MCperror->add(PE_DIVIDE_BADEXP, sp);

return PS_ERROR;

}

// MW-2013-08-01: [[ Bug 10925 ]] If the dest chunk is just a var, extract the varref.

if (dest != NULL && dest -> isvarchunk())

destvar = dest -> getrootvarref();

return PS_NORMAL;

}

// MW-2007-07-03: [[ Bug 5123 ]] - Strict array checking modification

// Here the source can be an array or number so we use 'tona'.

void MCDivide::exec_ctxt(MCExecContext &ctxt)

{

MCExecValue t_src;

if (!ctxt . EvaluateExpression(source, EE_DIVIDE_BADSOURCE, t_src)

|| !ctxt . ConvertToNumberOrArray(t_src))

{

ctxt.LegacyThrow(EE_DIVIDE_BADSOURCE);

return;

}

MCExecValue t_dst;

MCContainer t_dst_container;

if (destvar != nil)

{

if (!destvar->evalcontainer(ctxt, t_dst_container) ||

!t_dst_container.eval_ctxt(ctxt, t_dst))

{

ctxt . LegacyThrow(EE_DIVIDE_BADDEST);

MCExecTypeRelease(t_src);

return;

}

else

{

if (!ctxt . EvaluateExpression(dest, EE_DIVIDE_BADDEST, t_dst))

{

MCExecTypeRelease(t_src);

return;

}

if (!ctxt . ConvertToNumberOrArray(t_dst))

{

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

ctxt.LegacyThrow(EE_DIVIDE_BADDEST);

return;

}

MCExecValue t_result;

t_result . type = t_dst . type;

if (t_src . type == kMCExecValueTypeArrayRef)

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecDivideArrayByArray(ctxt, t_dst .arrayref_value, t_src . arrayref_value, t_result . arrayref_value);

else

{

ctxt . LegacyThrow(EE_DIVIDE_MISMATCH);

return;

}

else

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecDivideArrayByNumber(ctxt, t_dst . arrayref_value, t_src . double_value, t_result . arrayref_value);

else

MCMathExecDivideNumberByNumber(ctxt, t_dst . double_value, t_src . double_value, t_result . double_value);

}

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

if (!ctxt . HasError())

{

if (destvar != nil)

{

if (!t_dst_container.give_value(ctxt, t_result))

ctxt . Throw();

}

else

{

if (dest->set(ctxt, PT_INTO, t_result))

return;

ctxt . LegacyThrow(EE_DIVIDE_CANTSET);

}

MCMultiply::~MCMultiply()

{

delete source;

delete dest;

// MW-2013-08-01: [[ Bug 10925 ]] Only delete the destvar varref if dest is NULL,

// otherwise its owned by dest.

if (dest == NULL)

delete destvar;

}

Parse_stat MCMultiply::parse(MCScriptPoint &sp)

{

initpoint(sp);

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

// execution outwith a handler.

Symbol_type type;

if (sp.next(type) != PS_NORMAL

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

{

sp.backup();

dest = new (nothrow) MCChunk(True);

if (dest->parse(sp, False) != PS_NORMAL)

{

MCperror->add

(PE_MULTIPLY_BADDEST, sp);

return PS_ERROR;

}

else

destvar->parsearray(sp);

if (sp.skip_token(SP_FACTOR, TT_PREP) == PS_ERROR)

{

MCperror->add

(PE_MULTIPLY_NOBY, sp);

return PS_ERROR;

}

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

{

MCperror->add

(PE_MULTIPLY_BADEXP, sp);

return PS_ERROR;

}

// MW-2013-08-01: [[ Bug 10925 ]] If the dest chunk is just a var, extract the varref.

if (dest != NULL && dest -> isvarchunk())

destvar = dest -> getrootvarref();

return PS_NORMAL;

}

// MW-2007-07-03: [[ Bug 5123 ]] - Strict array checking modification

// Here the source can be an array or number so we use 'tona'.

void MCMultiply::exec_ctxt(MCExecContext &ctxt)

{

MCExecValue t_src;

if(!ctxt . EvaluateExpression(source, EE_MULTIPLY_BADSOURCE, t_src)

|| !ctxt . ConvertToNumberOrArray(t_src))

{

ctxt.LegacyThrow(EE_MULTIPLY_BADSOURCE);

return;

}

MCExecValue t_dst;

MCContainer t_dst_container;

if (destvar != nil)

{

if (!destvar->evalcontainer(ctxt, t_dst_container) ||

!t_dst_container.eval_ctxt(ctxt, t_dst))

{

ctxt . LegacyThrow(EE_MULTIPLY_BADDEST);

MCExecTypeRelease(t_src);

return;

}

else

{

if (!ctxt . EvaluateExpression(dest, EE_MULTIPLY_BADDEST, t_dst))

{

MCExecTypeRelease(t_src);

return;

}

if (!ctxt . ConvertToNumberOrArray(t_dst))

{

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

ctxt.LegacyThrow(EE_MULTIPLY_BADDEST);

return;

}

MCExecValue t_result;

t_result . type = t_dst . type;

if (t_src . type == kMCExecValueTypeArrayRef)

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecMultiplyArrayByArray(ctxt, t_dst . arrayref_value, t_src . arrayref_value, t_result . arrayref_value);

else

{

ctxt . LegacyThrow(EE_MULTIPLY_MISMATCH);

return;

}

else

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecMultiplyArrayByNumber(ctxt, t_dst . arrayref_value, t_src . double_value, t_result . arrayref_value);

else

MCMathExecMultiplyNumberByNumber(ctxt, t_dst . double_value, t_src . double_value, t_result . double_value);

}

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

if (!ctxt . HasError())

{

if (destvar != nil)

{

if (!t_dst_container.give_value(ctxt, t_result))

ctxt . Throw();

}

else

{

if (dest->set(ctxt, PT_INTO, t_result))

return;

ctxt . LegacyThrow(EE_MULTIPLY_CANTSET);

}

MCSubtract::~MCSubtract()

{

delete source;

delete dest;

// MW-2013-08-01: [[ Bug 10925 ]] Only delete the destvar varref if dest is NULL,

// otherwise its owned by dest.

if (dest == NULL)

delete destvar;

}

Parse_stat MCSubtract::parse(MCScriptPoint &sp)

{

initpoint(sp);

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

{

MCperror->add

(PE_SUBTRACT_BADEXP, sp);

return PS_ERROR;

}

if (sp.skip_token(SP_FACTOR, TT_FROM) == PS_ERROR)

{

MCperror->add

(PE_SUBTRACT_NOFROM, sp);

return PS_ERROR;

}

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

// execution outwith a handler.

Symbol_type type;

if (sp.next(type) != PS_NORMAL

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

{

sp.backup();

dest = new (nothrow) MCChunk(True);

if (dest->parse(sp, False) != PS_NORMAL)

{

MCperror->add

(PE_SUBTRACT_BADDEST, sp);

return PS_ERROR;

}

else

destvar->parsearray(sp);

// MW-2013-08-01: [[ Bug 10925 ]] If the dest chunk is just a var, extract the varref.

if (dest != NULL && dest -> isvarchunk())

destvar = dest -> getrootvarref();

return PS_NORMAL;

}

// MW-2007-07-03: [[ Bug 5123 ]] - Strict array checking modification

// Here the source can be an array or number so we use 'tona'.

void MCSubtract::exec_ctxt(MCExecContext &ctxt)

{

MCExecValue t_src;

if (!ctxt . EvaluateExpression(source, EE_SUBTRACT_BADSOURCE, t_src)

|| !ctxt . ConvertToNumberOrArray(t_src))

{

ctxt.LegacyThrow(EE_SUBTRACT_BADSOURCE);

return;

}

MCExecValue t_dst;

MCContainer t_dst_container;

if (destvar != nil)

{

if (!destvar->evalcontainer(ctxt, t_dst_container) ||

!t_dst_container.eval_ctxt(ctxt, t_dst))

{

ctxt . LegacyThrow(EE_SUBTRACT_BADDEST);

MCExecTypeRelease(t_src);

return;

}

else

{

if (!ctxt . EvaluateExpression(dest, EE_SUBTRACT_BADDEST, t_dst))

{

MCExecTypeRelease(t_src);

return;

}

if (!ctxt . ConvertToNumberOrArray(t_dst))

{

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

ctxt.LegacyThrow(EE_SUBTRACT_BADDEST);

return;

}

MCExecValue t_result;

t_result . type = t_dst . type;

if (t_src . type == kMCExecValueTypeArrayRef)

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecSubtractArrayFromArray(ctxt, t_src . arrayref_value, t_dst . arrayref_value, t_result . arrayref_value);

else

{

ctxt . LegacyThrow(EE_SUBTRACT_MISMATCH);

return;

}

else

{

if (t_dst . type == kMCExecValueTypeArrayRef)

MCMathExecSubtractNumberFromArray(ctxt, t_src . double_value, t_dst . arrayref_value, t_result . arrayref_value);

else

MCMathExecSubtractNumberFromNumber(ctxt, t_src . double_value, t_dst . double_value, t_result . double_value);

}

MCExecTypeRelease(t_src);

MCExecTypeRelease(t_dst);

if (!ctxt . HasError())

{

if (destvar != nil)

{

if (!t_dst_container.give_value(ctxt, t_result))

ctxt . Throw();

}

else

{

if (dest->set(ctxt, PT_INTO, t_result))

return;

ctxt . LegacyThrow(EE_SUBTRACT_CANTSET);

}

MCArrayOp::~MCArrayOp()

{

delete destvar;

delete element;

delete key;

}

Parse_stat MCArrayOp::parse(MCScriptPoint &sp)

{

initpoint(sp);

Symbol_type type;

// MW-2008-08-20: [[ Bug 6954 ]] Split/Combine don't work on array keys

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

// execution outwith a handler.

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

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

|| destvar -> parsearray(sp) != PS_NORMAL)

{

MCperror->add(PE_ARRAYOP_BADARRAY, sp);

return PS_ERROR;

}

if (sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) != PS_NORMAL

&& sp.skip_token(SP_FACTOR, TT_PREP, PT_BY) != PS_NORMAL

&& sp.skip_token(SP_START, TT_UNDEFINED, SC_USING) != PS_NORMAL)

{

MCperror->add(PE_ARRAYOP_NOWITH, sp);

return PS_ERROR;

}

if (sp . next(type) == PS_NORMAL && type == ST_ID &&

(sp . token_is_cstring("column") ||

sp . token_is_cstring("row")))

{

if (sp . token_is_cstring("column"))

mode = TYPE_COLUMN;

else

mode = TYPE_ROW;

}

else

{

sp.backup();

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

{

MCperror->add(PE_ARRAYOP_BADEXP, sp);

return PS_ERROR;

}

if (sp.skip_token(SP_FACTOR, TT_BINOP, O_AND) == PS_NORMAL)

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

{

MCperror->add(PE_ARRAYOP_BADEXP, sp);

return PS_ERROR;

}

if (sp . skip_token(SP_FACTOR, TT_PREP, PT_AS) == PS_NORMAL)

{

if (sp . skip_token(SP_COMMAND, TT_STATEMENT, S_SET) != PS_NORMAL ||

key != nil)

{

MCperror -> add(PE_ARRAYOP_BADFORM, sp);

return PS_ERROR;

}

form = FORM_SET;

}

return PS_NORMAL;

}

void MCArrayOp::exec_ctxt(MCExecContext &ctxt)

{

MCAutoStringRef t_element_del;

MCAutoStringRef t_key_del;

uint4 chunk;

chunk = mode;

switch(chunk)

{

case TYPE_USER:

if (element != NULL)

{

if (!ctxt . EvalExprAsStringRef(element, EE_ARRAYOP_BADEXP, &t_element_del))

return;

if (!ctxt . EvalOptionalExprAsNullableStringRef(key, EE_ARRAYOP_BADEXP, &t_key_del))

return;

}

break;

case TYPE_ROW:

t_element_del = ctxt.GetRowDelimiter();

break;

case TYPE_COLUMN:

t_element_del = ctxt.GetColumnDelimiter();

break;

case TYPE_LINE:

t_element_del = ctxt.GetLineDelimiter();

break;

case TYPE_ITEM:

t_element_del = ctxt.GetItemDelimiter();

break;

case TYPE_WORD:

case TYPE_TOKEN:

case TYPE_CHARACTER:

default:

ctxt . Throw();

return;

}

MCContainer t_container;

MCAutoValueRef t_container_value;

if (!destvar -> evalcontainer(ctxt, t_container))

{

ctxt . LegacyThrow(EE_ARRAYOP_BADEXP);

return;

}

if (!t_container.eval(ctxt, &t_container_value))

{

ctxt . Throw();

return;

}

if (is_combine)

{

MCAutoArrayRef t_array;

if (!ctxt . ConvertToArray(*t_container_value, &t_array))

return;

MCAutoStringRef t_string;

if (form == FORM_NONE)

{

// SN-2014-09-01: [[ Bug 13297 ]] Combining by column deserves its own function as it is too

// different from combining by row

if (chunk == TYPE_ROW)

MCArraysExecCombineByRow(ctxt, *t_array, &t_string);

else if (chunk == TYPE_COLUMN)

MCArraysExecCombineByColumn(ctxt, *t_array, &t_string);

else

MCArraysExecCombine(ctxt, *t_array, *t_element_del, *t_key_del, &t_string);

}

else if (form == FORM_SET)

MCArraysExecCombineAsSet(ctxt, *t_array, *t_element_del, &t_string);

if (!ctxt . HasError())

t_container.set(ctxt, *t_string);

}

else

{

MCAutoStringRef t_string;

if (!ctxt . ConvertToString(*t_container_value, &t_string))

return;

MCAutoArrayRef t_array;

if (form == FORM_NONE)

{

if (chunk == TYPE_COLUMN)

MCArraysExecSplitByColumn(ctxt, *t_string, &t_array);

else

MCArraysExecSplit(ctxt, *t_string, *t_element_del, *t_key_del, &t_array);

}

else if (form == FORM_SET)

MCArraysExecSplitAsSet(ctxt, *t_string, *t_element_del, &t_array);

if (!ctxt . HasError())

t_container.set(ctxt, *t_array);

}

Parse_stat MCSetOp::parse(MCScriptPoint &sp)

{

initpoint(sp);

if (op == kOpSymmetricDifference)

{

if (sp.skip_token(SP_COMMAND, TT_STATEMENT, S_DIFFERENCE) == PS_ERROR)

{

MCperror->add(PE_ARRAYOP_NODIFFERENCE, sp);

return PS_ERROR;

}

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

// execution outwith a handler.

MCerrorlock++;

Symbol_type type;

MCScriptPoint tsp(sp);

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

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

|| destvar -> parsearray(sp) != PS_NORMAL)

{

sp = tsp;

MCerrorlock--;

destvar.Reset();

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

{

MCperror->add(PE_ARRAYOP_BADARRAY, sp);

return PS_ERROR;

}

else

MCerrorlock--;

if (sp.skip_token(SP_REPEAT, TT_UNDEFINED, RF_WITH) == PS_ERROR

&& sp.skip_token(SP_FACTOR, TT_PREP, PT_BY) == PS_ERROR)

{

MCperror->add(PE_ARRAYOP_NOWITH, sp);

return PS_ERROR;

}

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

{

MCperror->add(PE_ARRAYOP_BADEXP, sp);

return PS_ERROR;

}

// MERG-2013-08-26: [[ RecursiveArrayOp ]] Support nested arrays in union and intersect

if (sp.skip_token(SP_SUGAR, TT_UNDEFINED, SG_RECURSIVELY) == PS_NORMAL)

{

if (op == kOpIntersect)

op = kOpIntersectRecursively;

else if (op == kOpUnion)

op = kOpUnionRecursively;

else

{

MCperror->add(PE_ARRAYOP_BADRECURSIVE, sp);

return PS_ERROR;

}

if (sp.skip_token(SP_FACTOR, TT_PREP, PT_INTO) == PS_NORMAL)

{

if (!destexpr)

{

destexpr.Reset(destvar.Release());

}

Symbol_type ttype;

if (sp.next(ttype) != PS_NORMAL || ttype != ST_ID

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

|| destvar -> parsearray(sp) != PS_NORMAL)

{

MCperror->add(PE_ARRAYOP_BADARRAY, sp);

return PS_ERROR;

}

is_into = true;

}

if (!destvar && is_into)

{

MCperror->add(PE_ARRAYOP_DSTNOTCONTAINER, sp);

return PS_ERROR;

}

return PS_NORMAL;

}

void MCSetOp::exec_ctxt(MCExecContext &ctxt)

{

// ARRAYEVAL

MCAutoValueRef t_src;

if (!ctxt . EvalExprAsValueRef(*source, EE_ARRAYOP_BADEXP, &t_src))

return;

MCAutoValueRef t_dst;

MCContainer t_container;

if (!is_into)

{

if (!destvar -> evalcontainer(ctxt, t_container))

{

ctxt . LegacyThrow(EE_ARRAYOP_BADEXP);

return;

}

if (!t_container.eval(ctxt, &t_dst))

return;

}

else

{

if (!ctxt.EvalExprAsValueRef(*destexpr, EE_ARRAYOP_BADEXP, &t_dst))

{

return;

}

MCAutoValueRef t_dst_value;

switch(op)

{

case kOpIntersect:

MCArraysExecIntersect(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpIntersectRecursively:

MCArraysExecIntersectRecursively(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpUnion:

MCArraysExecUnion(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpUnionRecursively:

MCArraysExecUnionRecursively(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpDifference:

MCArraysExecDifference(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpSymmetricDifference:

MCArraysExecSymmetricDifference(ctxt, *t_dst, *t_src, &t_dst_value);

break;

case kOpNone:

MCUnreachable();

break;

}

if (!ctxt . HasError())

{

if (!is_into)

t_container.set(ctxt, *t_dst_value);

else

destvar->set(ctxt, *t_dst_value);

}

livecode/engine/src/cmdsm.cpp at develop · livecodeali/livecode · GitHub

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