daScript/src/ast/ast_debug_info_helper.cpp at master · jacereda/daScript · GitHub

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#include "daScript/misc/platform.h"

#include "daScript/ast/ast.h"

#include "daScript/ast/ast_expressions.h"

#include "daScript/ast/ast_visitor.h"

#include "daScript/simulate/hash.h"

namespace das {

class CollectLocalVariables : public Visitor {

public:

virtual void preVisit ( ExprLet * expr ) override {

for ( const auto & var : expr->variables) {

locals.push_back(make_tuple(var,expr->visibility,bool(var->type->ref)));

}

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

locals.push_back(make_tuple(var,expr->visibility,bool(var->type->ref)));

}

public:

vector<tuple<VariablePtr,LineInfo,bool>> locals;

};

void DebugInfoHelper::logMemInfo ( TextWriter & tw ) {

tw << "DEBUG INFO IS:\n";

tw << "\tStructInfo " << (int(smn2s.size() * sizeof(StructInfo))) << " = " << int(smn2s.size()) << " x " << int(sizeof(StructInfo)) << "\n";

tw << "\tTypeInfo " << (int(tmn2t.size()*sizeof(TypeInfo))) << " = " << int(tmn2t.size()) << " x " << int(sizeof(TypeInfo)) << "\n";

tw << "\tVarInfo " << (int(vmn2v.size()*sizeof(VarInfo))) << " = " << int(vmn2v.size()) << " x " << int(sizeof(VarInfo)) << "\n";

tw << "\tFuncInfo " << (int(fmn2f.size()*sizeof(FuncInfo))) << " = " << int(fmn2f.size()) << " x " << int(sizeof(FuncInfo)) << "\n";

tw << "\tEnumInfo " << (int(emn2e.size()*sizeof(EnumInfo))) << " = " << int(emn2e.size()) << " x " << int(sizeof(EnumInfo)) << "\n";

tw << "\tSTRINGS " << debugInfo->stringBytes << "\n";

tw << "TOTAL " << debugInfo->bytesAllocated() << "\n";

}

void DebugInfoHelper::appendGlobalVariables ( FuncInfo * info, const FunctionPtr & body ) {

info->globalCount = uint32_t(body->useGlobalVariables.size());

info->globals = (VarInfo **) debugInfo->allocate(sizeof(VarInfo *) * info->globalCount);

uint32_t i = 0;

for ( auto var : body->useGlobalVariables ) {

info->globals[i] = makeVariableDebugInfo(*var);

i ++;

}

void DebugInfoHelper::appendLocalVariables ( FuncInfo * info, const ExpressionPtr & body ) {

CollectLocalVariables lv;

body->visit(lv);

info->localCount = uint32_t(lv.locals.size());

info->locals = (LocalVariableInfo **) debugInfo->allocate(sizeof(VarInfo *) * info->localCount);

uint32_t i = 0;

for ( auto & var_vis : lv.locals ) {

auto var = get<0>(var_vis);

LocalVariableInfo * lvar = (LocalVariableInfo *) debugInfo->allocate(sizeof(LocalVariableInfo));

info->locals[i] = lvar;

makeTypeInfo(lvar, var->type);

if ( get<2>(var_vis) ) lvar->flags |= TypeInfo::flag_ref;

lvar->name = debugInfo->allocateCachedName(var->name);

lvar->stackTop = var->stackTop;

lvar->visibility = get<1>(var_vis);

lvar->localFlags = 0;

lvar->cmres = var->aliasCMRES;

i ++ ;

}

EnumInfo * DebugInfoHelper::makeEnumDebugInfo ( const Enumeration & en ) {

auto mangledName = en.getMangledName();

auto it = emn2e.find(mangledName);

if ( it!=emn2e.end() ) return it->second;

EnumInfo * eni = debugInfo->makeNode<EnumInfo>();

eni->name = debugInfo->allocateCachedName(en.name);

eni->module_name = debugInfo->allocateCachedName(en.module->name);

eni->count = uint32_t(en.list.size());

eni->fields = (EnumValueInfo **) debugInfo->allocate(sizeof(EnumValueInfo *) * eni->count);

uint32_t i = 0;

for ( auto & ev : en.list ) {

eni->fields[i] = (EnumValueInfo *) debugInfo->allocate(sizeof(EnumValueInfo));

eni->fields[i]->name = debugInfo->allocateCachedName(ev.name);

eni->fields[i]->value = !ev.value ? -1 : getConstExprIntOrUInt(ev.value);

i ++;

}

eni->hash = hash_blockz64((uint8_t *)mangledName.c_str());

emn2e[mangledName] = eni;

return eni;

}

FuncInfo * DebugInfoHelper::makeFunctionDebugInfo ( const Function & fn ) {

string mangledName = fn.getMangledName();

auto it = fmn2f.find(mangledName);

if ( it!=fmn2f.end() ) return it->second;

FuncInfo * fni = debugInfo->makeNode<FuncInfo>();

fni->name = debugInfo->allocateCachedName(fn.name);

if ( rtti && fn.builtIn ) {

auto bfn = (BuiltInFunction *) &fn;

fni->cppName = debugInfo->allocateCachedName(bfn->cppName);

} else {

fni->cppName = nullptr;

}

fni->stackSize = fn.totalStackSize;

fni->count = (uint32_t) fn.arguments.size();

fni->fields = (VarInfo **) debugInfo->allocate(sizeof(VarInfo *) * fni->count);

for ( uint32_t i=0, is=fni->count; i!=is; ++i ) {

fni->fields[i] = makeVariableDebugInfo(*fn.arguments[i]);

}

fni->flags = 0;

if ( fn.init || fn.macroInit ) {

fni->flags |= FuncInfo::flag_init;

if ( fn.lateInit ) fni->flags |= FuncInfo::flag_late_init;

}

if ( fn.shutdown ) fni->flags |= FuncInfo::flag_shutdown;

if ( fn.builtIn ) fni->flags |= FuncInfo::flag_builtin;

if ( fn.privateFunction ) fni->flags |= FuncInfo::flag_private;

fni->result = makeTypeInfo(nullptr, fn.result);

fni->locals = nullptr;

fni->localCount = 0;

fni->hash = hash_blockz64((uint8_t *)mangledName.c_str());

fmn2f[mangledName] = fni;

return fni;

}

FuncInfo * DebugInfoHelper::makeInvokeableTypeDebugInfo ( const TypeDeclPtr & blk, const LineInfo & at ) {

Function fakeFunc;

fakeFunc.name = "invoke " + blk->describe();

fakeFunc.at = at;

fakeFunc.result = blk->firstType ? blk->firstType : make_smart<TypeDecl>(Type::tVoid);

fakeFunc.totalStackSize = sizeof(Prologue);

for ( size_t ai=0, ais=blk->argTypes.size(); ai!=ais; ++ ai ) {

auto argV = make_smart<Variable>();

argV->at = at;

argV->name = blk->argNames.empty() ? ("arg_" + to_string(ai)) : blk->argNames[ai];

argV->type = blk->argTypes[ai];

fakeFunc.arguments.push_back(argV);

}

return makeFunctionDebugInfo(fakeFunc);

}

StructInfo * DebugInfoHelper::makeStructureDebugInfo ( const Structure & st ) {

string mangledName = st.getMangledName();

auto it = smn2s.find(mangledName);

if ( it!=smn2s.end() ) return it->second;

StructInfo * sti = debugInfo->makeNode<StructInfo>();

sti->name = debugInfo->allocateCachedName(st.name);

sti->flags = 0;

if ( st.isClass ) sti->flags |= StructInfo::flag_class;

if ( st.isLambda ) sti->flags |= StructInfo::flag_lambda;

auto tdecl = TypeDecl((Structure *)&st);

auto gcf = tdecl.gcFlags();

if ( tdecl.lockCheck() ) sti->flags |= StructInfo::flag_lockCheck;

if ( gcf & TypeDecl::gcFlag_heap ) sti->flags |= StructInfo::flag_heapGC;

if ( gcf & TypeDecl::gcFlag_stringHeap ) sti->flags |= StructInfo::flag_stringHeapGC;

sti->count = (uint32_t) st.fields.size();

sti->size = st.getSizeOf();

sti->fields = (VarInfo **) debugInfo->allocate( sizeof(VarInfo *) * sti->count );

for ( uint32_t i=0, is=sti->count; i!=is; ++i ) {

auto & var = st.fields[i];

VarInfo * vi = makeVariableDebugInfo(st, var);

sti->fields[i] = vi;

}

sti->firstGcField = sti->count;

if ( sti->count && (sti->flags & (StructInfo::flag_heapGC | StructInfo::flag_stringHeapGC))) {

int32_t prev = -1;

for ( uint32_t i=0, is=sti->count; i!=is; ++i ) {

das::VarInfo * var = sti->fields[i];

if (var->flags & (TypeInfo::flag_heapGC | TypeInfo::flag_stringHeapGC)) {

if ( prev == -1 ) {

sti->firstGcField = i;

} else {

sti->fields[prev]->nextGcField = i;

}

prev = i;

}

if (prev != -1)

sti->fields[prev]->nextGcField = sti->count;

}

sti->init_mnh = 0;

if ( st.module ) {

sti->module_name = debugInfo->allocateCachedName(st.module->name);

if ( auto fn = st.module->findFunction(st.name) ) {

sti->init_mnh = fn->getMangledNameHash();

}

if ( rtti ) {

sti->annotation_list = (void *) &st.annotations;

} else {

sti->annotation_list = nullptr;

}

sti->hash = hash_blockz64((uint8_t *)mangledName.c_str());

smn2s[mangledName] = sti;

return sti;

}

TypeInfo * DebugInfoHelper::makeTypeInfo ( TypeInfo * info, const TypeDeclPtr & type ) {

if ( info==nullptr ) {

string mangledName = type->getMangledName();

auto it = tmn2t.find(mangledName);

if ( it!=tmn2t.end() ) return it->second;

info = debugInfo->makeNode<TypeInfo>();

tmn2t[mangledName] = info;

}

info->type = type->baseType;

info->dimSize = (uint32_t) type->dim.size();

if ( info->dimSize ) {

info->dim = (uint32_t *) debugInfo->allocate(sizeof(uint32_t) * info->dimSize );

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

info->dim[i] = type->dim[i];

}

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

info->structType = makeStructureDebugInfo(*type->structType);

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

info->enumType = type->enumType ? makeEnumDebugInfo(*type->enumType) : nullptr;

} else if ( type->annotation ) {

#if DAS_THREAD_SAFE_ANNOTATIONS

auto annName = debugInfo->allocateCachedName("~" + type->annotation->module->name + "::" + type->annotation->name);

info->annotation_or_name = ((TypeAnnotation*)(intptr_t(annName)|1));

#else

info->annotation_or_name = type->annotation;

#endif

} else {

info->annotation_or_name = nullptr;

}

info->flags = 0;

if (type->lockCheck()) {

info->flags |= TypeInfo::flag_lockCheck;

}

if (type->ref) {

info->flags |= TypeInfo::flag_ref;

info->flags |= TypeInfo::flag_refValue;

}

if (type->isRefType()) {

info->flags |= TypeInfo::flag_refType;

info->flags &= ~TypeInfo::flag_ref;

}

if (type->canCopy())

info->flags |= TypeInfo::flag_canCopy;

if (type->isPod())

info->flags |= TypeInfo::flag_isPod;

if (type->isConst())

info->flags |= TypeInfo::flag_isConst;

if (type->temporary)

info->flags |= TypeInfo::flag_isTemp;

if (type->implicit)

info->flags |= TypeInfo::flag_isImplicit;

if (type->isRawPod())

info->flags |= TypeInfo::flag_isRawPod;

if (type->smartPtr) {

info->flags |= TypeInfo::flag_isSmartPtr;

if ( type->smartPtrNative )

info->flags |= TypeInfo::flag_isSmartPtrNative;

}

auto gcf = type->gcFlags();

if ( gcf & TypeDecl::gcFlag_heap )

info->flags |= TypeInfo::flag_heapGC;

if ( gcf & TypeDecl::gcFlag_stringHeap )

info->flags |= TypeInfo::flag_stringHeapGC;

if ( type->firstType ) {

info->firstType = makeTypeInfo(nullptr, type->firstType);

} else {

info->firstType = nullptr;

}

if ( type->secondType ) {

info->secondType = makeTypeInfo(nullptr, type->secondType);

} else {

info->secondType = nullptr;

}

info->argTypes = nullptr;

info->argCount = uint32_t(type->argTypes.size());

if ( info->argCount ) {

info->argTypes = (TypeInfo **) debugInfo->allocate(sizeof(TypeInfo *) * info->argCount );

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

info->argTypes[i] = makeTypeInfo(nullptr, type->argTypes[i]);

}

info->argNames = nullptr;

auto argNamesCount = uint32_t(type->argNames.size());

if ( argNamesCount ) {

assert(info->argCount == 0 || info->argCount == argNamesCount);

info->argCount = argNamesCount;

info->argNames = (const char **) debugInfo->allocate(sizeof(char *) * info->argCount );

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

info->argNames[i] = debugInfo->allocateCachedName(type->argNames[i]);

}

auto mangledName = type->getMangledName();

info->size = type->isAutoOrAlias() ? 0 : type->getSizeOf();

info->hash = hash_blockz64((uint8_t *)mangledName.c_str());

debugInfo->lookup[info->hash] = info;

return info;

}

VarInfo * DebugInfoHelper::makeVariableDebugInfo ( const Structure & st, const Structure::FieldDeclaration & var ) {

string mangledName = st.getMangledName() + " field " + var.name;

auto it = vmn2v.find(mangledName);

if ( it!=vmn2v.end() ) return it->second;

VarInfo * vi = debugInfo->makeNode<VarInfo>();

makeTypeInfo(vi, var.type);

vi->name = debugInfo->allocateCachedName(var.name);

vi->offset = var.offset;

if ( rtti && !var.annotation.empty() ) {

vi->annotation_arguments = (void *) &var.annotation;

} else {

vi->annotation_arguments = nullptr;

}

if ( rtti && var.init && var.init->constexpression ) {

if ( var.init->rtti_isStringConstant() ) {

auto sval = static_pointer_cast<ExprConstString>(var.init);

vi->sValue = debugInfo->allocateCachedName(sval->text);

} else if ( var.init->rtti_isConstant() ) {

auto cval = static_pointer_cast<ExprConst>(var.init);

vi->value = cval->value;

} else {

vi->value = v_zero();

}

vi->flags |= TypeInfo::flag_hasInitValue;

} else {

vi->value = v_zero();

}

vi->hash = hash_blockz64((uint8_t *)mangledName.c_str());

vmn2v[mangledName] = vi;

return vi;

}

VarInfo * DebugInfoHelper::makeVariableDebugInfo ( const Variable & var ) {

string mangledName = var.getMangledName();

auto it = vmn2v.find(mangledName);

if ( it!=vmn2v.end() ) return it->second;

VarInfo * vi = debugInfo->makeNode<VarInfo>();

makeTypeInfo(vi, var.type);

vi->name = debugInfo->allocateCachedName(var.name);

vi->offset = 0;

if ( rtti && var.init && var.init->constexpression ) {

if ( var.init->rtti_isStringConstant() ) {

auto sval = static_pointer_cast<ExprConstString>(var.init);

vi->sValue = debugInfo->allocateCachedName(sval->text);

} else if ( var.init->rtti_isConstant() ) {

auto cval = static_pointer_cast<ExprConst>(var.init);

vi->value = cval->value;

} else {

vi->value = v_zero();

}

vi->flags |= TypeInfo::flag_hasInitValue;

} else {

vi->value = v_zero();

}

vi->hash = hash_blockz64((uint8_t *)mangledName.c_str());

vmn2v[mangledName] = vi;

return vi;

}

daScript/src/ast/ast_debug_info_helper.cpp at master · jacereda/daScript · GitHub

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