OnLayer virtual property in PC_EXPR_EVALUATOR

This commit is contained in:
Tomasz Wlostowski 2020-06-16 21:49:09 +02:00
parent 3005aab444
commit 5372daaedf
2 changed files with 121 additions and 11 deletions

View File

@ -1,14 +1,81 @@
#include <cstdio>
#include "class_board.h"
#include "pcb_expr_evaluator.h"
LIBEVAL::VALUE PCB_EXPR_VAR_REF::GetValue( LIBEVAL::UCODE* aUcode )
class PCB_EXPR_BUILTIN_FUNCTIONS
{
public:
using FPTR = LIBEVAL::UCODE::FUNC_PTR;
PCB_EXPR_BUILTIN_FUNCTIONS();
static PCB_EXPR_BUILTIN_FUNCTIONS& Instance()
{
static PCB_EXPR_BUILTIN_FUNCTIONS self;
return self;
}
std::string tolower( const std::string str ) const
{
std::string rv;
std::transform(str.begin(),
str.end(),
rv.begin(),
::tolower);
return rv;
}
FPTR Get( const std::string &name ) const
{
auto it = m_funcs.find( name );
if( it == m_funcs.end() )
return nullptr;
//printf("Cfc2\n");
//it->second(nullptr, nullptr, nullptr);
return it->second;
}
private:
std::map<std::string, FPTR> m_funcs;
static void onLayer( LIBEVAL::UCODE* aUcode, LIBEVAL::UCODE::CONTEXT* aCtx, void *self )
{
//auto item = ucode->GetItem( self );
auto arg = aCtx->Pop();
printf("SP: %d\n", aCtx->SP() );
printf("OnLayer('%s') called!\n", arg->AsString().c_str() );
auto rv = aCtx->AllocValue();
rv->Set( 1.0 );
aCtx->Push( rv );
}
};
PCB_EXPR_BUILTIN_FUNCTIONS::PCB_EXPR_BUILTIN_FUNCTIONS()
{
m_funcs[ "onlayer" ] = onLayer;
//m_funcs[ "onlayer" ]( nullptr, nullptr, nullptr );
}
BOARD_ITEM* PCB_EXPR_VAR_REF::GetObject( LIBEVAL::UCODE* aUcode ) const
{
auto ucode = static_cast<const PCB_EXPR_UCODE*>( aUcode );
auto item = ucode->GetItem( m_itemIndex );
return item;
}
LIBEVAL::VALUE PCB_EXPR_VAR_REF::GetValue( LIBEVAL::UCODE* aUcode )
{
auto item = GetObject( aUcode );
auto it = m_matchingTypes.find( TYPE_HASH( *item ) );
if( it == m_matchingTypes.end() )
@ -24,39 +91,71 @@ LIBEVAL::VALUE PCB_EXPR_VAR_REF::GetValue( LIBEVAL::UCODE* aUcode )
return LIBEVAL::VALUE( (double) item->Get<int>( it->second ) );
else
{
wxString str = item->Get<wxString>( it->second );
//printf("item %p GetStr '%s'\n", item, (const char*) str.c_str());
wxString str;
if( !m_isEnum )
{
//printf("item %p Get string '%s'\n", item, (const char*) it->second->Name().c_str() );
str = item->Get<wxString>( it->second );
} else {
const auto& any = item->Get( it->second );
any.GetAs<wxString>( &str );
//printf("item %p get enum: '%s'\n", item , (const char*) str.c_str() );
}
return LIBEVAL::VALUE( (const char*) str.c_str() );
}
}
}
LIBEVAL::UCODE::FUNC_PTR PCB_EXPR_UCODE::createFuncCall( LIBEVAL::COMPILER* aCompiler, const std::string& name )
{
auto registry = PCB_EXPR_BUILTIN_FUNCTIONS::Instance();
//printf("CreateFCall '%s' found %d\n", name.c_str(), registry.Get(name) != nullptr ? 1 : 0 );
auto f = registry.Get( name );
//printf("Cfc3\n");
//f(nullptr,nullptr,nullptr);
return f;
}
LIBEVAL::VAR_REF* PCB_EXPR_UCODE::createVarRef( LIBEVAL::COMPILER *aCompiler,
const std::string& var, const std::string& field )
{
PCB_EXPR_VAR_REF* rv;
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
auto classes = propMgr.GetAllClasses();
auto vref = new PCB_EXPR_VAR_REF( var == "A" ? 0 : 1 );
if( field.empty() ) // return reference to base object
return vref;
for( auto cls : classes )
{
if( propMgr.IsOfType( cls.type, TYPE_HASH( BOARD_ITEM ) ) )
{
PROPERTY_BASE* prop = propMgr.GetProperty( cls.type, field );
if( prop )
{
//printf("Field '%s' class %s ptr %p\n", field.c_str(), (const char *) cls.name.c_str(), prop );
//printf("Field '%s' class %s ptr %p haschoices %d typeid %s\n", field.c_str(), (const char *) cls.name.c_str(), prop, !!prop->HasChoices(), typeid(*prop).name() );
vref->AddAllowedClass( cls.type, prop );
if( prop->TypeHash() == TYPE_HASH( int ) )
vref->SetType( LIBEVAL::VT_NUMERIC );
else if( prop->TypeHash() == TYPE_HASH( wxString ) )
vref->SetType( LIBEVAL::VT_STRING );
else if ( prop->HasChoices() )
{ // it's an enum, we treat it as string
vref->SetType( LIBEVAL::VT_STRING );
vref->SetIsEnum ( true );
}
else
{
printf( "Unknown property type\n" );
(void) 0; // should we do anything here?
//printf("unmatched type for prop '%s'\n", field.c_str() );
//wxString msg;
//msg.Printf("Unrecognized type for property '%s'", field.c_str() );
//aCompiler->ReportError( (const char*) msg.c_str() );
}
}
}

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@ -19,6 +19,8 @@ public:
virtual LIBEVAL::VAR_REF* createVarRef( LIBEVAL::COMPILER *aCompiler,
const std::string& var, const std::string& field ) override;
virtual FUNC_PTR createFuncCall( LIBEVAL::COMPILER* aCompiler, const std::string& name ) override;
void SetItems( BOARD_ITEM* a, BOARD_ITEM* b = nullptr )
{
m_items[0] = a;
@ -38,11 +40,16 @@ private:
class PCB_EXPR_VAR_REF : public LIBEVAL::VAR_REF
{
public:
PCB_EXPR_VAR_REF( int aItemIndex ) : m_itemIndex( aItemIndex )
PCB_EXPR_VAR_REF( int aItemIndex ) :
m_itemIndex( aItemIndex ),
m_isEnum( false )
{
//printf("*** createVarRef %p %d\n", this, aItemIndex );
}
void SetIsEnum( bool s ) { m_isEnum = s; }
bool IsEnum() const { return m_isEnum; }
void SetType( LIBEVAL::VAR_TYPE_T type )
{
m_type = type;
@ -60,10 +67,14 @@ public:
virtual LIBEVAL::VALUE GetValue( LIBEVAL::UCODE* aUcode ) override;
BOARD_ITEM* GetObject( LIBEVAL::UCODE* aUcode ) const;
private:
std::unordered_map<TYPE_ID, PROPERTY_BASE*> m_matchingTypes;
int m_itemIndex;
LIBEVAL::VAR_TYPE_T m_type;
bool m_isEnum;
};