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function.cpp
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//
// AYA version 5
//
// 関数を扱うクラス CFunction
// - 主処理部
// written by umeici. 2004
//
#if defined(WIN32) || defined(_WIN32_WCE)
# include "stdafx.h"
#endif
#include <assert.h>
#include <vector>
#include "function.h"
#include "ayavm.h"
#include "log.h"
#include "messages.h"
#include "misc.h"
#include "parser0.h"
#include "globaldef.h"
#include "sysfunc.h"
//////////DEBUG/////////////////////////
#ifdef _WINDOWS
#ifdef _DEBUG
#include <crtdbg.h>
#define new new( _NORMAL_BLOCK, __FILE__, __LINE__)
#endif
#endif
#include "basis.h"
////////////////////////////////////////
CFunction::CFunction(CAyaVM& vmr, const yaya::string_t& n, const yaya::string_t& df, int lc) : pvm(&vmr), name(n), dicfilename(df), linecount(lc), dicfilename_fullpath(vmr.basis().ToFullPath(df))
{
statelenm1 = 0;
namelen = name.size();
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::deep_copy_statement
* 機能概要： CStatement配列をディープコピーします
* -----------------------------------------------------------------------
*/
void CFunction::deep_copy_statement(CFunction &from)
{
for ( size_t i = 0 ; i < from.statement.size() ; ++i ) {
statement[i].deep_copy(from.statement[i]);
}
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::CompleteSetting
* 機能概要： 関数の構築が完了した（≒辞書の読み込みが完了した）際に呼ばれます
* 実行の際に必要な最後の初期化処理を行ないます
* -----------------------------------------------------------------------
*/
void CFunction::CompleteSetting(void)
{
statelenm1 = statement.size() - 1;
}
CFunction::ExecutionResult CFunction::Execute() {
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
return Execute(arg);
}
CFunction::ExecutionResult CFunction::Execute(const CValue& arg) {
CLocalVariable lvar(*pvm);
return Execute(arg, lvar);
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::Execute
* 機能概要： 関数を実行します
*
* 引数CValue argは必ず配列型です。arrayが空であれば引数の無いコールとなります
* -----------------------------------------------------------------------
*/
CFunction::ExecutionResult CFunction::Execute(const CValue &arg, CLocalVariable &lvar)
{
int exitcode = ST_NOP;
// _argvを作成
lvar.SetValue(L"_argv", arg);
// _argcを作成
CValue t_argc((yaya::int_t)arg.array_size());
lvar.SetValue(L"_argc", t_argc);
//_FUNC_NAME_を作成
lvar.SetValue(L"_FUNC_NAME_", this->name);
// 実行
if (!pvm->call_limit().AddCall(name)) {
CBasisFuncPos shiori_OnCallLimit;
ptrdiff_t funcpos = shiori_OnCallLimit.Find(*pvm, L"shiori.OnCallLimit");
size_t lock = pvm->call_limit().temp_unlock();
if(funcpos >= 0) {
//_argv[0] = dicname _argv[1] = linenum
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
arg.array().emplace_back(CValueSub(dicfilename));
arg.array().emplace_back(CValueSub((yaya::int_t)linecount));
pvm->function_exec().func[funcpos].Execute(arg);
}
else {
pvm->logger().Error(E_E, 97, dicfilename, linecount);
}
pvm->call_limit().reset_lock(lock);
pvm->call_limit().DeleteCall();
return ExecutionResult(pvm);
}
ExecutionResult result(NULL);
Execute_SEHbody(result,lvar, exitcode);
pvm->call_limit().DeleteCall();
for ( size_t i = 0 ; i < statement.size() ; ++i ) {
statement[i].cell_cleanup();
}
return result;
}
void CFunction::Execute_SEHhelper(CFunction::ExecutionResult& aret, CLocalVariable& lvar, int& exitcode)
{
aret = ExecuteInBrace(1, lvar, BRACE_DEFAULT, exitcode, NULL, 0);
}
void CFunction::Execute_SEHbody(ExecutionResult& retas, CLocalVariable& lvar, int& exitcode)
{
#ifdef _WINDOWS
__try
#else
try
#endif
{
Execute_SEHhelper(retas, lvar, exitcode);
}
#ifdef _WINDOWS
__except (EXCEPTION_EXECUTE_HANDLER)
#else
catch(...)
#endif
{
throw yaya::memory_error();
}
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::ExecuteInBrace
* 機能概要： {}を実行し、結果をひとつ返します
* 引数 type この{}の種別。ただし0～の場合はswitch構文の際の候補抽出位置
* exitcode 終了コード。ST_NOP/ST_BREAK/ST_RETURN/ST_CONTINUE=通常/break/return/continue
*
* "{}"内の各ステートメントを実行します。引数lineで指定される位置から実行を開始し、"}"に突き当たるまで
* 順次実行していきます。
* 返値は実行を終了した"}"の位置です。
* -----------------------------------------------------------------------
*/
CFunction::ExecutionInBraceResult CFunction::ExecuteInBrace(size_t line, CLocalVariable &lvar, yaya::int_t type, int &exitcode, std::vector<CVecValue>* UpperLvCandidatePool,bool inpool)
{
// 開始時の処理
lvar.AddDepth();
CDuplEvInfo* pdupl = statement[line-1].dupl_block.get();
const bool inmutiarea = statement[line-1].ismutiarea; // pool用
// 実行
CSelecter output(pvm, pdupl, (ptrdiff_t)type);
bool exec_end = 0; // この{}の実行を終了するためのフラグ 1で終了
bool ifflg = 0; // if-elseif-else制御用。1でそのブロックを処理したことを示す
bool notpoolblock = 0; // pool用
const bool ispoolbegin = !inpool; // pool用
bool meltblock = 0;
if(pdupl){
if ( pdupl->GetType() & CHOICETYPE_POOL_FLAG ) {
if(!inpool) {
UpperLvCandidatePool = &output.values;
inpool = 1;
}
}
else {
notpoolblock = true;
}
if ( pdupl->GetType() & CHOICETYPE_MELT_FLAG ) {
meltblock = 1;
}
}
if(!UpperLvCandidatePool){
UpperLvCandidatePool = &output.values;
meltblock = 0;
}
const bool inpool_to_next = (!inmutiarea ? !notpoolblock : false);
size_t t_statelenm1 = statelenm1;
size_t i = 0;
for(i = line; i < t_statelenm1; i++) {
CStatement& st = statement[i];
switch(st.type) {
case ST_OPEN: { // "{"
ExecutionInBraceResult info = ExecuteInBrace(i + 1, lvar, BRACE_DEFAULT, exitcode, UpperLvCandidatePool, inpool_to_next);
i = info.linenum;
output.Append(info.Output());
break;
}
case ST_CLOSE: // "}" 注 関数終端の"}"はここを通らない
exec_end = 1;
break;
case ST_COMBINE: // "--"
output.AddArea();
break;
case ST_FORMULA_OUT_FORMULA: // 出力（数式。配列、引数つき関数も含まれる）
output.Append(GetFormulaAnswer(lvar, st));
break;
case ST_FORMULA_SUBST: // 代入
GetFormulaAnswer(lvar, st);
break;
case ST_IF: // if
ifflg = 0;
if (GetFormulaAnswer(lvar, st).GetTruth()) {
ExecutionInBraceResult info = ExecuteInBrace(i + 2, lvar, BRACE_DEFAULT, exitcode, UpperLvCandidatePool, inpool_to_next);
i = info.linenum;
output.Append(info.Output());
ifflg = 1;
}
else
i = st.jumpto;
break;
case ST_ELSEIF: // elseif
if (ifflg)
i = st.jumpto;
else if (GetFormulaAnswer(lvar, st).GetTruth()) {
ExecutionInBraceResult info = ExecuteInBrace(i + 2, lvar, BRACE_DEFAULT, exitcode, UpperLvCandidatePool, inpool_to_next);
i = info.linenum;
output.Append(info.Output());
ifflg = 1;
}
else
i = st.jumpto;
break;
case ST_ELSE: // else
if (ifflg)
i = st.jumpto;
else {
ExecutionInBraceResult info = ExecuteInBrace(i + 2, lvar, BRACE_DEFAULT, exitcode, UpperLvCandidatePool, inpool_to_next);
i = info.linenum;
output.Append(info.Output());
}
break;
case ST_PARALLEL: // parallel
{
const CValue& val = GetFormulaAnswer(lvar, st);
if (val.GetType() == F_TAG_ARRAY) {
for(size_t j = 0; j < val.array_size(); ++j)
output.Append(CValue(val.array()[j]));
}
else
output.Append(val);
}
break;
case ST_VOID: // void
{
//実行だけして捨てる
GetFormulaAnswer(lvar, st);
}
break;
case ST_WHILE: // while
{
size_t loop_max = pvm->call_limit().GetMaxLoop();
size_t loop_cur = 0;
while ( (loop_max == 0) || (loop_max > loop_cur++) ) {
if (!GetFormulaAnswer(lvar, st).GetTruth())
break;
CValue t_value = ExecuteInBrace(i + 2, lvar, BRACE_LOOP, exitcode, UpperLvCandidatePool, inpool_to_next);
output.Append(t_value);
if (exitcode == ST_BREAK) {
exitcode = ST_NOP;
break;
}
else if (exitcode == ST_RETURN)
break;
else if (exitcode == ST_CONTINUE)
exitcode = ST_NOP;
}
if (loop_max && loop_max <= loop_cur ) {
CBasisFuncPos shiori_OnLoopLimit;
ptrdiff_t funcpos = shiori_OnLoopLimit.Find(*pvm, L"shiori.OnLoopLimit");
if (funcpos >= 0) {
//_argv[0] = dicname _argv[1] = linenum
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
arg.array().emplace_back(CValueSub(dicfilename));
arg.array().emplace_back(CValueSub(st.linecount));
pvm->function_exec().func[funcpos].Execute(arg);
}
else {
pvm->logger().Error(E_E, 98, dicfilename, st.linecount);
}
}
i = st.jumpto;
break;
}
case ST_FOR: // for
{
GetFormulaAnswer(lvar, st); //for第一パラメータ
size_t loop_max = pvm->call_limit().GetMaxLoop();
size_t loop_cur = 0;
while ( (loop_max == 0) || (loop_max > loop_cur++) ) {
if (!GetFormulaAnswer(lvar, statement[i + 1]).GetTruth()) //for第二パラメータ
break;
CValue t_value = ExecuteInBrace(i + 4, lvar, BRACE_LOOP, exitcode, UpperLvCandidatePool, inpool_to_next);
output.Append(t_value);
if (exitcode == ST_BREAK) {
exitcode = ST_NOP;
break;
}
else if (exitcode == ST_RETURN)
break;
else if (exitcode == ST_CONTINUE)
exitcode = ST_NOP;
GetFormulaAnswer(lvar, statement[i + 2]); //for第三パラメータ
}
if (loop_max && loop_max <= loop_cur ) {
CBasisFuncPos shiori_OnLoopLimit;
ptrdiff_t funcpos = shiori_OnLoopLimit.Find(*pvm, L"shiori.OnLoopLimit");
if (funcpos >= 0) {
//_argv[0] = dicname _argv[1] = linenum
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
arg.array().emplace_back(CValueSub(dicfilename));
arg.array().emplace_back(CValueSub(st.linecount));
pvm->function_exec().func[funcpos].Execute(arg);
}
else {
pvm->logger().Error(E_E, 98, dicfilename, st.linecount);
}
}
i = st.jumpto;
break;
}
case ST_SWITCH: { // switch
yaya::int_t sw_index = GetFormulaAnswer(lvar, st).GetValueInt();
if (sw_index < 0)
sw_index = BRACE_SWITCH_OUT_OF_RANGE;
ExecutionInBraceResult info = ExecuteInBrace(i + 2, lvar, sw_index, exitcode, NULL, 0);
i = info.linenum;
output.Append(info.Output());
}
break;
case ST_FOREACH: // foreach
Foreach(lvar, output, i, exitcode, UpperLvCandidatePool, inpool_to_next);
i = st.jumpto;
break;
case ST_BREAK: // break
exitcode = ST_BREAK;
break;
case ST_CONTINUE: // continue
exitcode = ST_CONTINUE;
break;
case ST_RETURN: // return
exitcode = ST_RETURN;
break;
default: // 未知のステートメント
pvm->logger().Error(E_E, 82, dicfilename, st.linecount);
break;
};
if (exec_end)
break;
if (exitcode != ST_NOP)
FeedLineToTail(i);
}
#undef POOL_TO_NEXT
// 候補から出力を選び出す 入れ子の深さが0なら重複回避が働く
if (inpool&&!ispoolbegin) {
std::vector<CValue>& thepool = UpperLvCandidatePool->rbegin()->array;
std::vector<CValue>& thispool = output.values[0].array;
if(notpoolblock || inmutiarea)
thepool.insert(thepool.end(), output.Output());
else
thepool.insert(thepool.end(), thispool.begin(), thispool.end());
output.clear();
}
if(meltblock){
std::vector<CValue>& pool_of_uplv = UpperLvCandidatePool->rbegin()->array;
CValue result = output.Output();
if (result.GetType() == F_TAG_ARRAY) {
for(size_t j = 0; j < result.array_size(); ++j) {
pool_of_uplv.emplace_back(CValue(result.array()[j]));
}
}
else
pool_of_uplv.emplace_back(result);
output.clear();
}
// 終了時の処理
lvar.DelDepth();
return CFunction::ExecutionInBraceResult( output,i );
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::Foreach
* 機能概要： foreach処理を行います
* 返値 ： 0/1=ループ脱出/ループ実行
*
* 実際に送るのは"}"の1つ手前の行の位置です
* -----------------------------------------------------------------------
*/
void CFunction::Foreach(CLocalVariable &lvar, CSelecter &output,size_t line,int &exitcode, std::vector<CVecValue>* UpperLvCandidatePool, bool inpool)
{
CStatement &st0 = statement[line];
CStatement &st1 = statement[line + 1];
// 代入値を求める
// 注意：foreach中の副作用を回避するため必ず参照にはしないこと
const CValue value = GetFormulaAnswer(lvar, st0);
// 代入値の要素数を求める
// 簡易配列かつ変数からの取得の場合、その変数に設定されているデリミタを取得する
bool isPseudoarray = false;
ptrdiff_t sz;
std::vector<yaya::string_t> s_array;
if (value.IsString()) {
isPseudoarray = true;
yaya::string_t delimiter = VAR_DELIMITER;
if (st0.cell_size() == 1) {
if (st0.cell()[0].value_GetType() == F_TAG_VARIABLE) {
delimiter = pvm->variable().GetDelimiter(st0.cell()[0].index);
}
else if (st0.cell()[0].value_GetType() == F_TAG_LOCALVARIABLE)
delimiter = lvar.GetDelimiter(st0.cell()[0].name);
}
else {
CCell *l_cell = &(st0.cell()[st0.serial()[st0.serial_size() - 1].tindex]);
if (l_cell->value_GetType() == F_TAG_VARIABLE)
delimiter = pvm->variable().GetDelimiter(l_cell->index);
else if (l_cell->value_GetType() == F_TAG_LOCALVARIABLE)
delimiter = lvar.GetDelimiter(l_cell->name);
else if (l_cell->value_GetType() == F_TAG_ARRAYORDER) {
l_cell = &(st0.cell()[st0.serial()[st0.serial_size() - 1].tindex - 1]);
if (l_cell->value_GetType() == F_TAG_VARIABLE)
delimiter = pvm->variable().GetDelimiter(l_cell->index);
else if (l_cell->value_GetType() == F_TAG_LOCALVARIABLE)
delimiter = lvar.GetDelimiter(l_cell->name);
}
}
sz = SplitToMultiString(value.GetValueString(), &s_array, delimiter);
}
else if (value.IsArray()) {
sz = value.array_size();
}
else {
sz = -1;
}
CValue t_value;
int type;
for(int foreachcount = 0; foreachcount < sz; ++foreachcount ) {
// 代入する要素値を取得
if (isPseudoarray) {
t_value = s_array[foreachcount];
}
else {// F_TAG_ARRAY
t_value = value.array()[foreachcount];
}
// 代入
type = st1.cell()[0].value_GetType();
if ( type == F_TAG_VARIABLE ) {
pvm->variable().SetValue(st1.cell()[0].index, t_value);
}
else if ( type == F_TAG_LOCALVARIABLE ) {
lvar.SetValue(st1.cell()[0].name, t_value);
}
else {
pvm->logger().Error(E_E, 28, dicfilename, st1.linecount);
break;
}
t_value = ExecuteInBrace(line + 3, lvar, BRACE_LOOP, exitcode, UpperLvCandidatePool, inpool);
output.Append(t_value);
if (exitcode == ST_BREAK) {
exitcode = ST_NOP;
break;
}
else if (exitcode == ST_RETURN)
break;
else if (exitcode == ST_CONTINUE)
exitcode = ST_NOP;
}
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::GetFormulaAnswer
* 機能概要： 数式を演算して結果を返します
* -----------------------------------------------------------------------
*/
const CValue& CFunction::GetFormulaAnswer(CLocalVariable &lvar, CStatement &st)
{
size_t o_index = 0;
if ( st.serial_size() ) { //高速化用
for (std::vector<CSerial>::iterator it = st.serial().begin(); it != st.serial().end(); it++) {
o_index = it->tindex;
CCell &o_cell = st.cell()[o_index];
if (o_cell.value_GetType() >= F_TAG_ORIGIN_VALUE) {
o_cell.ansv() = GetValueRefForCalc(o_cell, st, lvar);
break;
}
CCell *s_cell = &(st.cell()[it->index[0]]);
CCell *d_cell = NULL;
if ( it->index.size() >= 2 ) {
d_cell = &(st.cell()[it->index[1]]);
}
switch(o_cell.value_GetType()) {
case F_TAG_COMMA:
{
std_shared_ptr<CValue> tmp_ansv = o_cell.ansv_shared_create();
if (Comma(*tmp_ansv.get(), it->index, st, lvar)) {
pvm->logger().Error(E_E, 33, L",", dicfilename, st.linecount);
}
o_cell.ansv_shared() = tmp_ansv;
}
break;
case F_TAG_EQUAL:
case F_TAG_EQUAL_D:
case F_TAG_PLUSEQUAL:
case F_TAG_PLUSEQUAL_D:
case F_TAG_MINUSEQUAL:
case F_TAG_MINUSEQUAL_D:
case F_TAG_MULEQUAL:
case F_TAG_MULEQUAL_D:
case F_TAG_DIVEQUAL:
case F_TAG_DIVEQUAL_D:
case F_TAG_SURPEQUAL:
case F_TAG_SURPEQUAL_D:
case F_TAG_COMMAEQUAL:
{
std_shared_ptr<CValue> tmp_ansv = o_cell.ansv_shared_create();
if (Subst(o_cell.value_GetType(), *tmp_ansv.get(), it->index, st, lvar)) {
pvm->logger().Error(E_E, 33, L"=", dicfilename, st.linecount);
}
o_cell.ansv_shared() = tmp_ansv;
}
break;
case F_TAG_PLUS:
{
// 演算順序を必ず守るため、一旦左辺の結果を取ってから右辺と演算する
// これを怠ると右辺から先に計算する
// 以降同じ
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv + GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_MINUS:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv - GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_MUL:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv * GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_DIV:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv / GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_SURP:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv % GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFEQUAL:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv == GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFDIFFER:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv != GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFGTEQUAL:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv >= GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFLTEQUAL:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv <= GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFGT:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv > GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFLT:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = lv < GetValueRefForCalc(*d_cell, st, lvar);
break;
}
case F_TAG_IFIN:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv().SetType(F_TAG_INT);
o_cell.ansv().i_value = _in_(lv,GetValueRefForCalc(*d_cell, st, lvar));
break;
}
case F_TAG_IFNOTIN:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv().SetType(F_TAG_INT);
o_cell.ansv().i_value = not_in_(lv,GetValueRefForCalc(*d_cell, st, lvar));
break;
}
case F_TAG_OR:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = CValue(lv.GetTruth() || GetValueRefForCalc(*d_cell, st, lvar).GetTruth());
break;
}
case F_TAG_AND:
{
const CValue& lv = GetValueRefForCalc(*s_cell, st, lvar);
o_cell.ansv() = CValue(lv.GetTruth() && GetValueRefForCalc(*d_cell, st, lvar).GetTruth());
break;
}
case F_TAG_FUNCPARAM:
{
std_shared_ptr<CValue> tmp_ansv = o_cell.ansv_shared_create();
if (ExecFunctionWithArgs(*tmp_ansv.get(), it->index, st, lvar)) {
pvm->logger().Error(E_E, 33, pvm->function_exec().func[st.cell()[it->index[0]].index].name, dicfilename, st.linecount);
}
o_cell.ansv_shared() = tmp_ansv;
}
break;
case F_TAG_SYSFUNCPARAM:
if (ExecSystemFunctionWithArgs(o_cell, it->index, st, lvar))
pvm->logger().Error(E_E, 33, CSystemFunction::GetNameFromIndex(st.cell()[it->index[0]].index), dicfilename, st.linecount);
break;
case F_TAG_ARRAYORDER:
if (Array(o_cell, it->index, st, lvar))
pvm->logger().Error(E_E, 33, L",", dicfilename, st.linecount);
break;
case F_TAG_FEEDBACK:
if (Feedback(o_cell, it->index, st, lvar))
pvm->logger().Error(E_E, 33, L"&", dicfilename, st.linecount);
break;
case F_TAG_EXC:
o_cell.ansv().SetType(F_TAG_INT);
o_cell.ansv().i_value = !GetValueRefForCalc(*d_cell, st, lvar).GetTruth();
break;
default:
pvm->logger().Error(E_E, 34, dicfilename, st.linecount);
return emptyvalue;
};
}
}
return st.cell()[o_index].ansv();
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::GetValueRefForCalc
* 機能概要： 与えられた項に対応する値へのポインタを取得します
* -----------------------------------------------------------------------
*/
const CValue& CFunction::GetValueRefForCalc(CCell &cell, CStatement &st, CLocalVariable &lvar)
{
// 即値はv、関数/変数/演算子項ならansvから取得 関数/変数の場合その値や実行結果が取得される
// %[n]処理
if (cell.value_GetType() == F_TAG_SYSFUNCPARAM) {
if ( cell.index == CSystemFunction::HistoryIndex() ) {
ExecHistoryP2(cell, st);
}
}
// 演算が完了している（はずの）項ならそれを返す
if (cell.value_GetType() < F_TAG_ORIGIN_VALUE)
return cell.ansv();
// 即値ならそれをそのまま返す
if (cell.value_GetType() <= F_TAG_STRING)
return cell.value();
// 関数なら実行して結果を、変数ならその内容を返す
switch(cell.value_GetType()) {
case F_TAG_STRING_EMBED:
SolveEmbedCell(cell, st, lvar);
return cell.ansv();
case F_TAG_SYSFUNC: {
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
std::vector<CCell *> pcellarg; //dummy
std::vector<CValue> pvaluearg; //dummy
cell.ansv() = pvm->sysfunction().Execute(cell.index, arg, pcellarg, pvaluearg, lvar, st.linecount, this);
return cell.ansv();
}
case F_TAG_USERFUNC: {
CValue arg(F_TAG_ARRAY, 0/*dmy*/);
CLocalVariable t_lvar(*pvm);
cell.ansv() = pvm->function_exec().func[cell.index].Execute(arg, t_lvar);
return cell.ansv();
}
case F_TAG_VARIABLE:
if (pvm->variable().GetPtr(cell.index) != NULL) {
return pvm->variable().GetPtr(cell.index)->call_watcher(*pvm,cell.ansv());
}
else {
return emptyvalue;
}
case F_TAG_LOCALVARIABLE:
if (lvar.GetPtr(cell.name) != NULL) {
return lvar.GetPtr(cell.name)->call_watcher(*pvm,cell.ansv());
}
else {
return emptyvalue;
}
default:
pvm->logger().Error(E_E, 16, dicfilename, st.linecount);
return emptyvalue;
};
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::ReindexUserFunctions
* 機能概要： F_TAG_USERFUNCのindexを再設定します
* -----------------------------------------------------------------------
*/
int CFunction::ReindexUserFunctions(void)
{
int error = 0;
for ( size_t i = 0 ; i < statement.size() ; ++i ) {
CStatement &st = statement[i];
for ( size_t j = 0 ; j < st.cell_size() ; ++j ) {
CCell &cl = st.cell()[j];
if ( cl.value_GetType() == F_TAG_USERFUNC ) {
ptrdiff_t index = pvm->function_parse().GetFunctionIndexFromName(cl.name);
if ( index < 0 ) {
pvm->logger().Error(E_E, 71, dicfilename, st.linecount);
error += 1;
}
else {
cl.index = index;
}
}
}
}
return error;
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::SolveEmbedCell
* 機能概要： %埋め込み付文字列項の値を求めます
* -----------------------------------------------------------------------
*/
void CFunction::SolveEmbedCell(CCell &cell, CStatement &st, CLocalVariable &lvar)
{
// 分割する位置を求める
int solve_src; // 種別 0/1/2/3=ローカル変数/変数/関数/システム関数
size_t max_len = 0; // 最長一致検索用
if (cell.value_const().s_value[0] == L'_') {
// ローカル変数
solve_src = 0;
max_len = lvar.GetMacthedLongestNameLength(cell.value_const().s_value);
}
else {
// 変数
solve_src = 1;
max_len = pvm->variable().GetMacthedLongestNameLength(cell.value_const().s_value);
// 関数
size_t t_len = 0;
for(std::vector<CFunction>::iterator it = pvm->function_exec().func.begin(); it != pvm->function_exec().func.end(); it++)
if (!it->name.compare(0,it->namelen,cell.value_const().s_value,0,it->namelen))
if (t_len < it->namelen)
t_len = it->namelen;
if (t_len > max_len) {
solve_src = 2;
max_len = t_len;
}
// システム関数
if ( max_len < (size_t)CSystemFunction::GetMaxNameLength() ) {
t_len = CSystemFunction::FindIndexLongestMatch(cell.value_const().s_value,max_len);
if (t_len > max_len) {
solve_src = 3;
max_len = t_len;
}
}
}
// 存在しなければ全体が文字列ということになる
if (!max_len) {
cell.ansv() = L"%" + cell.value_const().s_value;
cell.emb_ansv() = L"%" + cell.value_const().s_value;
return;
}
// 関数/システム関数の場合は引数部分を探す
size_t len = cell.value_const().s_value.size();
if (solve_src >= 2) {
size_t depth = 1;
size_t i = 0;
for(i = max_len + 1; i < len; i++) {
depth += ((cell.value_const().s_value[i] == L'(') - (cell.value_const().s_value[i] == L')'));
if (!depth)
break;
}
if (!depth)
max_len = i + 1;
}
// 配列部分を探す
size_t depth = 1;
size_t i = 0;
for(i = max_len + 1; i < len; i++) {
if (!depth && cell.value_const().s_value[i] != L'[')
break;
depth += ((cell.value_const().s_value[i] == L'[') - (cell.value_const().s_value[i] == L']'));
}
if (!depth)
max_len = i;
// 埋め込まれた要素とそれ以降の文字列に分割する
//yaya::string_t s_value(cell.value_const().s_value.substr(0, max_len));
//yaya::string_t d_value(cell.value_const().s_value.substr(max_len, len - max_len));
yaya::string_t::const_iterator it_split = cell.value_const().s_value.begin() + max_len;
yaya::string_t s_value(cell.value_const().s_value.begin(),it_split);
yaya::string_t d_value(it_split,cell.value_const().s_value.end());
// 埋め込まれた要素を数式に変換する 失敗なら全体が文字列
CStatement t_state(ST_FORMULA, st.linecount);
if (pvm->parser0().ParseEmbedString(s_value, t_state, dicfilename, st.linecount)) {
cell.ansv() = L"%" + cell.value_const().s_value;
cell.emb_ansv() = L"%" + cell.value_const().s_value;
return;
}
// 埋め込み要素の値を取得して応答文字列を作成
yaya::string_t result = GetFormulaAnswer(lvar, t_state).GetValueString();
cell.emb_ansv() = result;
cell.ansv() = result + d_value;
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::Comma
* 機能概要： ,演算子を処理します
*
* 返値 ： 0/1=成功/エラー
* -----------------------------------------------------------------------
*/
char CFunction::Comma(CValue &answer, std::vector<size_t> &sid, CStatement &st, CLocalVariable &lvar)
{
// 結合して配列値を作成
CValueArray t_array;
for(std::vector<size_t>::iterator it = sid.begin(); it != sid.end(); it++) {
const CValue &addv = GetValueRefForCalc(st.cell()[*it], st, lvar);
if (addv.GetType() == F_TAG_ARRAY) {
t_array.insert(t_array.end(), addv.array().begin(), addv.array().end());
}
else {
t_array.emplace_back(CValueSub(addv));
}
}
answer.SubstToArray(t_array);
return 0;
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::CommaAdd
* 機能概要： ,=演算子を処理します
*
* 返値 ： 0/1=成功/エラー
* -----------------------------------------------------------------------
*/
char CFunction::CommaAdd(CValue &answer, std::vector<size_t> &sid, CStatement &st, CLocalVariable &lvar)
{
if ( answer.GetType() != F_TAG_ARRAY ) {
CValueSub st(answer);
answer.SetType(F_TAG_ARRAY);
answer.array().emplace_back(st);
}
CValueArray &t_array = answer.array();
std::vector<size_t>::iterator it = sid.begin();
it++; //最初＝左辺は代入先なので飛ばす
for( ; it != sid.end(); it++) {
const CValue &addv = GetValueRefForCalc(st.cell()[*it], st, lvar);
if (addv.GetType() == F_TAG_ARRAY) {
t_array.insert(t_array.end(), addv.array().begin(), addv.array().end());
}
else {
t_array.emplace_back(CValueSub(addv));
}
}
return 0;
}
/* -----------------------------------------------------------------------
* 関数名 ： CFunction::Subst
* 機能概要： 代入演算子を処理します
*
* 返値 ： 0/1=成功/エラー
* -----------------------------------------------------------------------
*/
char CFunction::Subst(int type, CValue &answer, std::vector<size_t> &sid, CStatement &st, CLocalVariable &lvar)
{
CCell *sid_0_cell = &(st.cell()[sid[0]]);
CCell *sid_1_cell = &(st.cell()[sid[1]]);
int sid_0_cell_type = sid_0_cell->value_GetType();
//既存変数への代入の場合だけは特殊扱いする
if ( sid_0_cell_type == F_TAG_VARIABLE || sid_0_cell_type == F_TAG_LOCALVARIABLE ) {
CVariable* pSubstTo;
if ( sid_0_cell_type == F_TAG_VARIABLE ) {
pSubstTo = pvm->variable().GetPtr(sid_0_cell->index);
}
else {
pSubstTo = lvar.GetPtr(sid_0_cell->name);
}
CValue varback;
if ( pSubstTo ) {
varback = pSubstTo->value();
CValue &substTo = pSubstTo->value();
answer.array_clear();
switch(type) {
case F_TAG_EQUAL:
case F_TAG_EQUAL_D:
substTo = GetValueRefForCalc(*sid_1_cell, st, lvar);
break;
case F_TAG_PLUSEQUAL:
case F_TAG_PLUSEQUAL_D:
substTo += GetValueRefForCalc(*sid_1_cell, st, lvar);
break;
case F_TAG_MINUSEQUAL:
case F_TAG_MINUSEQUAL_D:
substTo -= GetValueRefForCalc(*sid_1_cell, st, lvar);
break;
case F_TAG_MULEQUAL:
case F_TAG_MULEQUAL_D:
substTo *= GetValueRefForCalc(*sid_1_cell, st, lvar);
break;
case F_TAG_DIVEQUAL: