daScript/src/ast/ast_aot_cpp.cpp at master · Xsankor/daScript · GitHub

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#include "daScript/misc/platform.h"

#include "daScript/ast/ast.h"

#include "daScript/ast/ast_visitor.h"

#include "daScript/ast/ast_generate.h"

#include "daScript/misc/enums.h"

#include "daScript/simulate/hash.h"

namespace das {

Enum<Type> g_cppCTypeTable = {

{ Type::autoinfer, "autoinfer" },

{ Type::alias, "alias" },

{ Type::anyArgument, "anyArgument" },

{ Type::tVoid, "tVoid" },

{ Type::tStructure, "tStructure" },

{ Type::tPointer, "tPointer" },

{ Type::tBool, "tBool" },

{ Type::tInt8, "tInt8" },

{ Type::tUInt8, "tUInt8" },

{ Type::tInt16, "tInt16" },

{ Type::tUInt16, "tUInt16" },

{ Type::tInt64, "tInt64" },

{ Type::tUInt64, "tUInt64" },

{ Type::tString, "tString" },

{ Type::tPointer, "tPointer" },

{ Type::tEnumeration, "tEnumeration" },

{ Type::tEnumeration8, "tEnumeration8" },

{ Type::tEnumeration16, "tEnumeration16" },

{ Type::tBitfield, "tBitfield" },

{ Type::tIterator, "tIterator" },

{ Type::tArray, "tArray" },

{ Type::tTable, "tTable" },

{ Type::tInt, "tInt" },

{ Type::tInt2, "tInt2" },

{ Type::tInt3, "tInt3" },

{ Type::tInt4, "tInt4" },

{ Type::tUInt, "tUInt" },

{ Type::tUInt2, "tUInt2" },

{ Type::tUInt3, "tUInt3" },

{ Type::tUInt4, "tUInt4" },

{ Type::tFloat, "tFloat" },

{ Type::tFloat2, "tFloat2"},

{ Type::tFloat3, "tFloat3"},

{ Type::tFloat4, "tFloat4"},

{ Type::tDouble, "tDouble" },

{ Type::tRange, "tRange" },

{ Type::tURange, "tURange"},

{ Type::tBlock, "tBlock"},

{ Type::tFunction, "tFunction"},

{ Type::tLambda, "tLambda"},

{ Type::tTuple, "tTuple"},

{ Type::tVariant, "tVariant"},

{ Type::tHandle, "tHandle"}

};

Enum<Type> g_cppTypeTable = {

{ Type::anyArgument, "vec4f" },

{ Type::tVoid, "void" },

{ Type::tBool, "bool" },

{ Type::tInt8, "int8_t" },

{ Type::tUInt8, "uint8_t" },

{ Type::tInt16, "int16_t" },

{ Type::tUInt16, "uint16_t" },

{ Type::tInt64, "int64_t" },

{ Type::tUInt64, "uint64_t" },

{ Type::tBitfield, "Bitfield" },

{ Type::tString, "char *" },

{ Type::tInt, "int32_t" },

{ Type::tInt2, "int2" },

{ Type::tInt3, "int3" },

{ Type::tInt4, "int4" },

{ Type::tUInt, "uint32_t" },

{ Type::tUInt2, "uint2" },

{ Type::tUInt3, "uint3" },

{ Type::tUInt4, "uint4" },

{ Type::tFloat, "float" },

{ Type::tFloat2, "float2" },

{ Type::tFloat3, "float3" },

{ Type::tFloat4, "float4" },

{ Type::tDouble, "double" },

{ Type::tRange, "range" },

{ Type::tURange, "urange" },

{ Type::tBlock, "Block" },

{ Type::tFunction, "Func" },

{ Type::tLambda, "Lambda" },

{ Type::tTuple, "Tuple" },

{ Type::tVariant, "Variant" }

};

string aotModuleName ( Module * pm ) {

if ( pm->name.empty() ) {

return "";

} else if ( pm->name=="$" ) {

return "_builtin_";

} else {

return pm->name;

}

string das_to_cppString ( Type t ) {

return g_cppTypeTable.find(t);

}

string das_to_cppCTypeString ( Type t ) {

return g_cppCTypeTable.find(t);

}

bool isConstRedundantForCpp ( const TypeDeclPtr & type ) {

if ( type->dim.size() ) return false;

if ( type->isVectorType() ) return true;

switch ( type->baseType ) {

case Type::tBool:

case Type::tInt8:

case Type::tUInt8:

case Type::tInt16:

case Type::tUInt16:

case Type::tInt64:

case Type::tUInt64:

case Type::tInt:

case Type::tUInt:

case Type::tFloat:

case Type::tDouble:

case Type::tEnumeration:

case Type::tEnumeration8:

case Type::tEnumeration16:

case Type::tBitfield:

return true;

default:

return false;

}

enum CpptUseAlias {

, yes

};

string describeCppTypeEx ( const TypeDeclPtr & type,

CpptSubstitureRef substituteRef,

CpptSkipRef skipRef,

CpptSkipConst skipConst,

CpptRedundantConst redundantConst,

CpptUseAlias useAlias ) {

TextWriter stream;

auto baseType = type->baseType;

if ( isConstRedundantForCpp(type) && redundantConst==CpptRedundantConst::yes ) {

if (substituteRef == CpptSubstitureRef::yes && type->ref) {

// can't skip const

} else if ( type->ref ) {

// can't skip const

} else {

skipConst = CpptSkipConst::yes;

}

if ( type->dim.size() ) {

for ( size_t d=0; d!=type->dim.size(); ++d ) {

stream << "TDim<";

}

if ( useAlias==CpptUseAlias::yes && type->aotAlias && !type->alias.empty() ) {

stream << type->alias;

} else if ( baseType==Type::alias ) {

stream << "DAS_COMMENT(alias)";

} else if ( baseType==Type::autoinfer ) {

stream << "DAS_COMMENT(auto";

if ( !type->alias.empty() ) {

stream << "(" << type->alias << ")";

}

stream << ")";

} else if ( baseType==Type::tHandle ) {

if ( type->annotation->cppName.empty() ) {

stream << type->annotation->name;

} else {

stream << type->annotation->cppName;

}

} else if ( baseType==Type::tArray ) {

if ( type->firstType ) {

stream << "TArray<" << describeCppTypeEx(type->firstType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias) << ">";

} else {

stream << "Array";

}

} else if ( baseType==Type::tTable ) {

if ( type->firstType && type->secondType ) {

stream << "TTable<" << describeCppTypeEx(type->firstType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias)

<< "," << describeCppTypeEx(type->secondType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias) << ">";

} else {

stream << "Table";

}

} else if ( baseType==Type::tTuple ) {

stream << "TTuple<" << int(type->getTupleSize());

for ( const auto & arg : type->argTypes ) {

stream << "," << describeCppTypeEx(arg,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias);

}

stream << ">";

} else if ( baseType==Type::tVariant ) {

stream << "TVariant<" << int(type->getVariantSize());

for ( const auto & arg : type->argTypes ) {

stream << "," << describeCppTypeEx(arg,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias);

}

stream << ">";

} else if ( baseType==Type::tStructure ) {

if ( type->structType ) {

if ( type->structType->module->name.empty() ) {

stream << type->structType->name;

} else {

stream << aotModuleName(type->structType->module) << "::" << type->structType->name;

}

} else {

stream << "DAS_COMMENT(unspecified structure) ";

}

} else if ( baseType==Type::tPointer ) {

if ( !type->smartPtr ) {

if ( type->firstType ) {

stream << describeCppTypeEx(type->firstType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::no,useAlias) << " *";

} else {

stream << "void *";

}

} else {

if ( type->firstType ) {

stream << (type->smartPtrNative ? "smart_ptr<" : "smart_ptr_raw<")

<< describeCppTypeEx(type->firstType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::no,useAlias)

<< ">";

} else {

stream << (type->smartPtrNative ? "smart_ptr<" : "smart_ptr_raw<") << "void>";

}

} else if ( type->isEnumT() ) {

if ( type->enumType ) {

if ( type->enumType->external ) {

stream << "DAS_COMMENT(bound_enum) " << type->enumType->cppName;

} else if ( type->enumType->module->name.empty() ) {

stream << "DAS_COMMENT(enum) " << type->enumType->name;

} else {

stream << "DAS_COMMENT(enum) " << aotModuleName(type->enumType->module) << "::" << type->enumType->name;

}

} else {

stream << "DAS_COMMENT(unspecified enumeration)";

}

} else if ( baseType==Type::tIterator ) {

if ( type->firstType ) {

stream << "Sequence DAS_COMMENT((" << describeCppTypeEx(type->firstType,substituteRef,skipRef,skipConst,CpptRedundantConst::yes,useAlias) << "))";

} else {

stream << "Sequence";

}

} else if ( baseType==Type::tBlock || baseType==Type::tFunction || baseType==Type::tLambda ) {

if ( !type->constant && type->baseType==Type::tBlock ) {

stream << "const ";

}

stream << das_to_cppString(baseType) << " DAS_COMMENT((";

if ( type->firstType ) {

stream << describeCppTypeEx(type->firstType,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias);

} else {

stream << "void";

}

if ( type->argTypes.size() ) {

for ( const auto & arg : type->argTypes ) {

stream << "," << describeCppTypeEx(arg,CpptSubstitureRef::no,CpptSkipRef::no,CpptSkipConst::no,CpptRedundantConst::yes,useAlias);

}

stream << "))";

} else {

stream << das_to_cppString(baseType);

}

if ( type->dim.size() ) {

for ( auto itd = type->dim.rbegin(); itd!=type->dim.rend(); ++itd ) {

stream << "," << *itd << ">";

}

if ( skipConst==CpptSkipConst::no ) {

if ( type->constant ) {

stream << " const ";

}

if ( type->ref && skipRef==CpptSkipRef::no ) {

if ( substituteRef==CpptSubstitureRef::no ) {

stream << " &";

} else {

stream << " *";

}

return stream.str();

}

string describeCppType ( const TypeDeclPtr & type,

CpptSubstitureRef substituteRef,

CpptSkipRef skipRef,

CpptSkipConst skipConst,

CpptRedundantConst redundantConst ) {

return describeCppTypeEx(type, substituteRef, skipRef, skipConst, redundantConst, CpptUseAlias::no);

}

class NoAotMarker : public Visitor {

public:

NoAotMarker() {}

protected:

Function * func = nullptr;

protected:

// type

virtual void preVisit ( TypeDecl * type ) override {

if ( func && !type->canAot() ) func->noAot = true;

}

// function

virtual void preVisit ( Function * f ) override {

func = f;

Visitor::preVisit(f);

}

virtual FunctionPtr visit ( Function * that ) override {

auto res = Visitor::visit(that);

func = nullptr;

return res;

}

// any expression

virtual void preVisitExpression ( Expression * expr ) override {

Visitor::preVisitExpression(expr);

if ( func && expr->type && !expr->type->canAot() ) func->noAot = true;

}

// looks like call

virtual void preVisit ( ExprLooksLikeCall * call ) override {

Visitor::preVisit(call);

if ( call->name=="invoke" ) {

if ( call->arguments.size() && call->arguments[0]->rtti_isMakeBlock() ) {

auto mkb = static_pointer_cast<ExprMakeBlock>(call->arguments[0]);

auto blk = static_pointer_cast<ExprBlock>(mkb->block);

blk->aotSkipMakeBlock = true;

}

};

class PrologueMarker : public Visitor {

public:

PrologueMarker() {}

protected:

Function * func = nullptr;

protected:

// function

virtual void preVisit ( Function * f ) override {

func = f;

Visitor::preVisit(f);

}

virtual FunctionPtr visit ( Function * that ) override {

auto res = Visitor::visit(that);

func = nullptr;

return res;

}

// ExprMakeBlock

virtual void preVisit ( ExprMakeBlock * expr ) override {

Visitor::preVisit(expr);

if ( func && func->hasMakeBlock ) {

auto block = static_pointer_cast<ExprBlock>(expr->block);

if ( !block->aotSkipMakeBlock ) {

func->aotNeedPrologue = true;

}

};

class UseTypeMarker : public Visitor {

public:

das_set<Structure *> useStructs;

das_set<Enumeration *> useEnums;

protected:

virtual void preVisit ( TypeDecl * type ) override {

Visitor::preVisit(type);

}

virtual void preVisitExpression ( Expression * expr ) override {

Visitor::preVisitExpression(expr);

mark(expr->type.get());

}

virtual void preVisitArgument ( Function * fn, const VariablePtr & var, bool lastArg ) override {

Visitor::preVisitArgument(fn,var,lastArg);

mark(var->type.get());

}

virtual void preVisitBlockArgument ( ExprBlock * block, const VariablePtr & var, bool lastArg ) override {

Visitor::preVisitBlockArgument(block,var,lastArg);

mark(var->type.get());

}

void mark ( TypeDecl * decl ) {

if ( !decl ) return;

if ( decl->baseType==Type::tStructure ) {

DAS_ASSERT(decl->structType);

if ( useStructs.find(decl->structType)==useStructs.end() ) {

useStructs.insert(decl->structType);

for ( auto & fld : decl->structType->fields ) {

mark ( fld.type.get() );

}

} else if ( decl->baseType==Type::tEnumeration ) {

DAS_ASSERT(decl->enumType);

useEnums.insert(decl->enumType);

} else {

if ( decl->firstType ) mark ( decl->firstType.get() );

if ( decl->secondType ) mark ( decl->secondType.get() );

for ( auto & arg : decl->argTypes ) {

mark(arg.get());

}

};

class AotDebugInfoHelper : public DebugInfoHelper {

public:

void writeDim ( TextWriter & ss, TypeInfo * info, const string & suffix = "" ) const {

if ( info->dimSize ) {

ss << "uint32_t " << typeInfoName(info) << "_dim" << suffix << "[" << info->dimSize << "] = { ";

for ( uint32_t i=0; i!=info->dimSize; ++i ) {

if ( i ) ss << ", ";

ss << info->dim[i];

}

ss << " };\n";

}

void writeArgNames ( TextWriter & ss, TypeInfo * info, const string & suffix = "" ) const {

if ( info->argCount && info->argNames ) {

ss << "const char * " << typeInfoName(info) << "_arg_names" << suffix << "[" << info->argCount << "] = { ";

for ( uint32_t i=0; i!=info->argCount; ++i ) {

if ( i ) ss << ", ";

ss << "\"" << info->argNames[i] << "\"";

}

ss << " };\n";

}

void writeArgTypes ( TextWriter & ss, TypeInfo * info, const string & suffix = "" ) const {

if ( info->argCount && info->argTypes ) {

ss << "TypeInfo * " << typeInfoName(info) << "_arg_types" << suffix << "[" << info->argCount << "] = { ";

for ( uint32_t i=0; i!=info->argCount; ++i ) {

if ( i ) ss << ", ";

ss << "&" << typeInfoName(info->argTypes[i]);

}

ss << " };\n";

}

string str() const {

TextWriter ss;

// extern declarations

for ( auto & ti : smn2s ) {

ss << "extern StructInfo " << structInfoName(ti.second) << ";\n";

}

for ( auto & ti : tmn2t ) {

ss << "extern TypeInfo " << typeInfoName(ti.second) << ";\n";

}

for ( auto & ti : vmn2v ) {

ss << "extern VarInfo " << varInfoName(ti.second) << ";\n";

}

for ( auto & ti : fmn2f ) {

ss << "extern FuncInfo " << funcInfoName(ti.second) << ";\n";

}

for ( auto & ti : emn2e ) {

ss << "extern EnumInfo " << enumInfoName(ti.second) << ";\n";

}

ss << "\n";

for ( auto & ti : emn2e ) {

describeCppEnumInfoValues(ss, ti.second);

ss << "EnumInfo " << enumInfoName(ti.second) << " = { ";

describeCppEnumInfo(ss, ti.second);

ss << " };\n";

}

for ( auto & ti : smn2s ) {

describeCppStructInfoFields(ss, ti.second);

ss << "StructInfo " << structInfoName(ti.second) << " = {";

describeCppStructInfo(ss, ti.second);

ss << " };\n";

}

for ( auto & ti : this->fmn2f ) {

describeCppFuncInfoFields(ss, ti.second);

ss << "FuncInfo " << funcInfoName(ti.second) << " = {";

describeCppFuncInfo(ss, ti.second);

ss << " };\n";

}

for ( auto & ti : tmn2t ) {

auto tinfo = ti.second;

writeDim(ss, tinfo);

writeArgTypes(ss, tinfo);

writeArgNames(ss, tinfo);

ss << "TypeInfo " << typeInfoName(tinfo) << " = { ";

describeCppTypeInfo(ss, tinfo);

ss << " };\n";

}

ss << "\n";

return ss.str();

}

string enumInfoName ( EnumInfo * info ) const {

TextWriter ss;

ss << "__enum_info__" << HEX << info->hash << DEC;

return ss.str();

}

string funcInfoName ( FuncInfo * info ) const {

TextWriter ss;

ss << "__func_info__" << HEX << info->hash << DEC;

return ss.str();

}

string varInfoName ( VarInfo * info ) const {

TextWriter ss;

ss << "__var_info__" << HEX << info->hash << DEC;

return ss.str();

}

string structInfoName ( StructInfo * info ) const {

TextWriter ss;

ss << "__struct_info__" << HEX << info->hash << DEC;

return ss.str();

}

string typeInfoName ( TypeInfo * info ) const {

TextWriter ss;

ss << "__type_info__" << HEX << info->hash << DEC;

return ss.str();

}

protected:

void describeCppVarInfo ( TextWriter & ss, VarInfo * info, const string & suffix ) const {

describeCppTypeInfo(ss, info, suffix);

ss << ", \"" << info->name << "\", ";

ss << info->offset;

}

void describeCppStructInfoFields ( TextWriter & ss, StructInfo * info ) const {

if ( !info->fields ) return;

for ( uint32_t fi=0; fi!=info->count; ++fi ) {

auto suffix = "_var_" + to_string(info->hash);

writeDim(ss, info->fields[fi], suffix);

writeArgTypes(ss, info->fields[fi], suffix);

writeArgNames(ss, info->fields[fi], suffix);

ss << "VarInfo " << structInfoName(info) << "_field_" << fi << " = { ";

describeCppVarInfo(ss, info->fields[fi],suffix);

ss << " };\n";

}

ss << "VarInfo * " << structInfoName(info) << "_fields[" << info->count << "] = { ";

for ( uint32_t fi=0; fi!=info->count; ++fi ) {

if ( fi ) ss << ", ";

ss << "&" << structInfoName(info) << "_field_" << fi;

}

ss << " };\n";

}

void describeCppStructInfo ( TextWriter & ss, StructInfo * info ) const {

ss << "\"" << info->name << "\", " << "\"" << info->module_name << "\", " << info->flags << ", ";

if ( info->fields ) {

ss << structInfoName(info) << "_fields, ";

} else {

ss << "nullptr, ";

}

ss << info->count << ", ";

ss << info->size << ", ";

ss << "0x" << HEX << info->init_mnh << DEC << "ul, ";

ss << "nullptr, "; // annotation list

ss << "0x" << HEX << info->hash << DEC << "ul";

}

void describeCppFuncInfoFields ( TextWriter & ss, FuncInfo * info ) const {

if ( !info->fields ) return;

for ( uint32_t fi=0; fi!=info->count; ++fi ) {

auto suffix = "_var_" + to_string(info->hash);

writeDim(ss, info->fields[fi], suffix);

writeArgTypes(ss, info->fields[fi], suffix);

writeArgNames(ss, info->fields[fi], suffix);

ss << "VarInfo " << funcInfoName(info) << "_field_" << fi << " = { ";

describeCppVarInfo(ss, info->fields[fi],suffix);

ss << " };\n";

}

ss << "VarInfo * " << funcInfoName(info) << "_fields[" << info->count << "] = { ";

for ( uint32_t fi=0; fi!=info->count; ++fi ) {

if ( fi ) ss << ", ";

ss << "&" << funcInfoName(info) << "_field_" << fi;

}

ss << " };\n";

}

void describeCppFuncInfo ( TextWriter & ss, FuncInfo * info ) const {

ss << "\"" << info->name << "\", "

<< "\"" << info->cppName << "\", " ;

if ( info->fields ) {

ss << funcInfoName(info) << "_fields, ";

} else {

ss << "nullptr, ";

}

ss << info->count << ", "

<< info->stackSize << ", "

<< "&" << typeInfoName(info->result) << ", "

<< "nullptr,"

<< "0,"

<< "0x" << HEX << info->hash << DEC << "ul, "

<< "0x" << HEX << info->flags << DEC;

}

void describeCppEnumInfoValues ( TextWriter & ss, EnumInfo * einfo ) const {

for ( uint32_t v=0; v!=einfo->count; ++v ) {

auto val = einfo->fields[v];

ss << "EnumValueInfo " << enumInfoName(einfo) << "_value_" << v << " = { \""

<< val->name << "\", " << val->value << " };\n";

}

ss << "EnumValueInfo * " << enumInfoName(einfo) << "_values [] = { ";

for ( uint32_t v=0; v!=einfo->count; ++v ) {

if ( v ) ss << ", ";

ss << "&" << enumInfoName(einfo) << "_value_" << v;

}

ss << " };\n";

}

void describeCppEnumInfo ( TextWriter & ss, EnumInfo * info ) const {

ss << "\"" << info->name << "\", " << "\"" << info->module_name << "\", " << enumInfoName(info) << "_values, "

<< info->count << ", 0x" << HEX << info->hash << DEC << "ul";

}

void describeCppTypeInfo ( TextWriter & ss, TypeInfo * info, const string & suffix = "" ) const {

ss << "Type::" << das_to_cppCTypeString(info->type) << ", ";

if ( info->type==Type::tStructure ) {

ss << "&" << structInfoName(info->structType);

} else {

ss << "nullptr";

}

ss << ", ";

if ( info->type==Type::tEnumeration || info->type==Type::tEnumeration8 || info->type==Type::tEnumeration16 ) {

ss << "&" << enumInfoName(info->enumType);

} else {

ss << "nullptr";

}

if ( info->type==Type::tHandle ) {

if ( intptr_t(info->annotation_or_name) & 1 ) {

auto tname = (char *)(intptr_t(info->annotation_or_name) ^ 1); // already comes from string allocator

ss << ", DAS_MAKE_ANNOTATION(\"" << tname << "\")";

} else {

// we add ~ at the begining of the name for padding

// if name is allocated by the compiler, it does not guarantee that it is aligned

// we check if there is a ~ at the begining of the name, and if it is - we skip it

// that way we can accept both aligned and unaligned names

ss << ", DAS_MAKE_ANNOTATION(\"~" << info->annotation_or_name->module->name << "::" << info->annotation_or_name->name << "\")";

}

} else {

DAS_ASSERT(info->type!=Type::tHandle);

ss << ", nullptr";

}

ss << ", ";

if ( info->firstType ) {

ss << "&" << typeInfoName(info->firstType);

} else {

ss << "nullptr";

}

ss << ", ";

if ( info->secondType ) {

ss << "&" << typeInfoName(info->secondType);

} else {

ss << "nullptr";

}

if (info->argCount && info->argTypes) {

ss << ", (TypeInfo **)" << typeInfoName(info) << "_arg_types" << suffix;

} else {

ss << ", nullptr";

}

if (info->argCount && info->argNames) {

ss << ", (char **)" << typeInfoName(info) << "_arg_names" << suffix;

} else {

ss << ", nullptr";

}

ss << ", " << info->argCount;

ss << ", " << info->dimSize;

ss << ", ";

if ( info->dimSize ) {

ss << typeInfoName(info) << "_dim" << suffix;

} else {

ss << "nullptr";

}

ss << ", " << info->flags;

ss << ", " << info->size;

ss << ", 0x" << HEX << info->hash << DEC << "ul";

}

};

bool isLocalVec ( const TypeDeclPtr & vtype ) {

return vtype->dim.size()==0 && vtype->isVectorType() && !vtype->ref;

}

void describeLocalCppType ( TextWriter & ss, const TypeDeclPtr & vtype, CpptSubstitureRef substituteRef = CpptSubstitureRef::yes ) {

ss << describeCppType(vtype,substituteRef,CpptSkipRef::no);

}

void describeVarLocalCppType ( TextWriter & ss, const TypeDeclPtr & vtype, CpptSubstitureRef substituteRef = CpptSubstitureRef::yes ) {

ss << describeCppType(vtype,substituteRef,CpptSkipRef::no,CpptSkipConst::yes);

}

string aotFuncNameEx ( const string & funcName ) {

string name;

bool prefix = false;

for ( char ch : funcName ) {

if ( isalnum(ch) || ch=='_' ) {

name += ch;

} else {

prefix = true;

switch ( ch ) {

case '=': name += "Equ"; break;

case '+': name += "Add"; break;

case '-': name += "Sub"; break;

case '*': name += "Mul"; break;

case '/': name += "Div"; break;

case '%': name += "Mod"; break;

case '&': name += "And"; break;

case '|': name += "Or"; break;

case '^': name += "Xor"; break;

case '?': name += "Qmark"; break;

case '~': name += "Tilda"; break;

case '!': name += "Excl"; break;

case '>': name += "Greater"; break;

case '<': name += "Less"; break;

case '[': name += "Sqbl"; break;

case ']': name += "Sqbr"; break;

case '.': name += "Dot"; break;

default:

name += "_0x";

name += '0' + (ch>>4);

name += '0' + (ch & 0x0f);

name += "_";

break;

}

return prefix ? ("_Func" + name) : name;

}

string aotFuncName ( Function * func ) {

if ( func->hash ) {

TextWriter tw;

tw << aotFuncNameEx(func->name) << "_" << HEX << func->hash << DEC;

return tw.str();

} else {

return aotFuncNameEx(func->name);

}

class BlockVariableCollector : public Visitor {

public:

BlockVariableCollector() {}

virtual void preVisit ( ExprBlock * block ) override {

Visitor::preVisit(block);

stack.push_back(block);

}

string getVarName ( Variable * var ) const {

auto it = rename.find(var);

return it==rename.end() ? var->name : it->second;

}

string getVarName ( const VariablePtr & var ) const {

return getVarName(var.get());

}

__forceinline bool isMoved(const VariablePtr & var) const {

return moved.find(var.get()) != moved.end();

}

void renameVariable ( Variable * var, const string & newName ) {

rename[var] = newName;

}

protected:

virtual ExpressionPtr visit ( ExprBlock * block ) override {

stack.pop_back();

return Visitor::visit(block);

}

bool needRenaming ( Variable * ) const {

// TODO: check if it indeed needs renaming

return true;

}

void renameVariable ( Variable * var ) {

if ( needRenaming(var) ) {

string newName = "__" + var->name + "_rename_at_" + to_string(var->at.line);

rename[var] = newName;

}

// for loop

virtual void preVisitFor ( ExprFor * expr, const VariablePtr & var, bool last ) override {

Visitor::preVisitFor(expr,var,last);

for ( auto & varr : expr->iteratorVariables ) {

renameVariable(varr.get());

}

// block argument

virtual void preVisitBlockArgument ( ExprBlock * block, const VariablePtr & var, bool lastArg ) override {

Visitor::preVisitBlockArgument(block, var, lastArg);

renameVariable(var.get());

}

// functon argument

virtual void preVisitArgument ( Function * fn, const VariablePtr & var, bool lastArg ) override {

Visitor::preVisitArgument(fn, var, lastArg);

renameVariable(var.get());

}

// let

ExprBlock * getCurrentBlock() const {

ExprBlock * block = nullptr;

for (auto it = stack.rbegin(); it != stack.rend(); ++it) {

ExprBlock * pb = *it;

if (pb->isClosure) {

block = pb;

break;

}

if (!(pb->inTheLoop && pb->finalList.size())) {

block = pb;

break;

}

return block;

}

ExprBlock * getFinalBlock () const {

for ( auto it = stack.rbegin(); it!=stack.rend(); ++it ) {

auto blk = *it;

if ( blk->finalList.size() ) return blk;

if ( blk->isClosure ) return nullptr;

}

return nullptr;

}

ExprBlock * getTopBlock () const {

for ( auto it = stack.rbegin(); it!=stack.rend(); ++it ) {

auto blk = *it;

if ( blk->isClosure ) return blk;

}

return stack.front();

}

virtual void preVisitLet ( ExprLet * let, const VariablePtr & var, bool last ) override {

Visitor::preVisitLet(let, var, last);

if ( auto bfinal = getFinalBlock() ) {

bfinal = getTopBlock();

variables[bfinal].push_back(var.get());

moved.insert(var.get());

}

renameVariable(var.get());

}

// make array

virtual void preVisit ( ExprMakeArray * expr ) override {