iexpression.h File Reference

Description

Expressions of the MDL type system.

Code Example

iexpression.h

‎/***************************************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 **************************************************************************************************/

#ifndef MI_NEURAYLIB_IEXPRESSION_H
#define MI_NEURAYLIB_IEXPRESSION_H

#include <mi/neuraylib/ivalue.h>

namespace mi {

class IString;

namespace neuraylib {

class IAnnotation;
class IAnnotation_block;
class IExpression_list;


enum Mdl_version {
    MDL_VERSION_1_0,                       
    MDL_VERSION_1_1,                       
    MDL_VERSION_1_2,                       
    MDL_VERSION_1_3,                       
    MDL_VERSION_1_4,                       
    MDL_VERSION_1_5,                       
    MDL_VERSION_1_6,                       
    MDL_VERSION_1_7,                       
    MDL_VERSION_1_8,                       
    MDL_VERSION_EXP,                       
    MDL_VERSION_LATEST = MDL_VERSION_1_8,  
    MDL_VERSION_INVALID = 0xffffffffU,     
    MDL_VERSION_FORCE_32_BIT = 0xffffffffU // Undocumented, for alignment only
};

class IExpression : public
    mi::base::Interface_declare<0x0f4a7542,0x9b27,0x4924,0xbd,0x8d,0x82,0xe3,0xa9,0xa7,0xa9,0xd6>
{
public:
    enum Kind {
        EK_CONSTANT,
        EK_CALL,
        EK_PARAMETER,
        EK_DIRECT_CALL,
        EK_TEMPORARY,
        //  Undocumented, for alignment only.
        EK_FORCE_32_BIT = 0xffffffffU
    };

    virtual Kind 
               get_kind() const = 0;

    virtual const IType* get_type() const = 0;

    template <class T>
    const T* get_type() const
    {
        const IType* ptr_type = get_type();
        if( !ptr_type)
            return 0;
        const T* ptr_T = static_cast<const T*>( ptr_type->get_interface( typename T::IID()));
        ptr_type->release();
        return ptr_T;
    }
};

mi_static_assert( sizeof( IExpression::Kind) == sizeof( Uint32));

class IExpression_constant : public
    mi::base::Interface_declare<0x9da8d465,0x4058,0x46cb,0x83,0x6e,0x0e,0x38,0xa6,0x7f,0xcd,0xef,
                                neuraylib::IExpression>
{
public:
    static const Kind 
               s_kind = EK_CONSTANT;

    virtual const IValue* get_value() const = 0;

    template <class T>
    const T* get_value() const
    {
        const IValue* ptr_value = get_value();
        if( !ptr_value)
            return 0;
        const T* ptr_T = static_cast<const T*>( ptr_value->get_interface( typename T::IID()));
        ptr_value->release();
        return ptr_T;
    }

    virtual IValue* get_value() = 0;

    template <class T>
    T* get_value()
    {
        IValue* ptr_value = get_value();
        if( !ptr_value)
            return 0;
        T* ptr_T = static_cast<T*>( ptr_value->get_interface( typename T::IID()));
        ptr_value->release();
        return ptr_T;
    }

    virtual Sint32 
               set_value( IValue* value) = 0;
};

class IExpression_call : public
    mi::base::Interface_declare<0xcf625aec,0x8eb8,0x4743,0x9f,0xf6,0x76,0x82,0x2c,0x02,0x54,0xa3,
                                neuraylib::IExpression>
{
public:
    static const Kind 
               s_kind = EK_CALL;

    virtual const char* get_call() const = 0;

    virtual Sint32 
               set_call( const char* name) = 0;
};

class IExpression_parameter : public
    mi::base::Interface_declare<0x206c4319,0x0b53,0x45a7,0x86,0x07,0x29,0x98,0xb3,0x44,0x7f,0xaa,
                               neuraylib::IExpression>
{
public:
    static const Kind 
               s_kind = EK_PARAMETER;

    virtual Size 
               get_index() const = 0;

    virtual void set_index( Size index) = 0;
};

class IExpression_direct_call : public
    mi::base::Interface_declare<0x9253c9d6,0xe162,0x4234,0xab,0x91,0x54,0xc1,0xe4,0x87,0x39,0x66,
                                neuraylib::IExpression>
{
public:
    static const Kind 
               s_kind = EK_DIRECT_CALL;

    virtual const char* get_definition() const = 0;

    virtual const IExpression_list* get_arguments() const = 0;
};

class IExpression_temporary : public
    mi::base::Interface_declare<0xd91f484b,0xdbf8,0x4585,0x9d,0xab,0xba,0xd9,0x91,0x7f,0xe1,0x4c,
                                neuraylib::IExpression>
{
public:
    static const Kind 
               s_kind = EK_TEMPORARY;

    virtual Size 
               get_index() const = 0;

    virtual void set_index( Size index) = 0;
};

class IExpression_list : public
    mi::base::Interface_declare<0x98ce8e89,0x9f23,0x45ec,0xa7,0xce,0x85,0x78,0x48,0x14,0x85,0x23>
{
public:
    virtual Size 
               get_size() const = 0;

    virtual Size 
               get_index( const char* name) const = 0;

    virtual const char* get_name( Size index) const = 0;

    virtual const IExpression* get_expression( Size index) const = 0;

    template <class T>
    const T* get_expression( Size index) const
    {
        const IExpression* ptr_expression = get_expression( index);
        if( !ptr_expression)
            return 0;
        const T* ptr_T = static_cast<const T*>( ptr_expression->get_interface( typename T::IID()));
        ptr_expression->release();
        return ptr_T;
    }

    virtual const IExpression* get_expression( const char* name) const = 0;

    template <class T>
    const T* get_expression( const char* name) const
    {
        const IExpression* ptr_expression = get_expression( name);
        if( !ptr_expression)
            return 0;
        const T* ptr_T = static_cast<const T*>( ptr_expression->get_interface( typename T::IID()));
        ptr_expression->release();
        return ptr_T;
    }

    virtual Sint32 
               set_expression( Size index, const IExpression* expression) = 0;

    virtual Sint32 
               set_expression( const char* name, const IExpression* expression) = 0;

    virtual Sint32 
               add_expression( const char* name, const IExpression* expression) = 0;
};

class IAnnotation_definition : public
    mi::base::Interface_declare<0xa453318b,0xe056,0x4521,0x9f,0x3c,0x9d,0x5c,0x3,0x23,0x5f,0xb7>
{
public:

    enum Semantics
    {
        AS_UNKNOWN = 0,                          

        AS_INTRINSIC_ANNOTATION = 0x0100,
        AS_ANNOTATION_FIRST = AS_INTRINSIC_ANNOTATION,
        AS_THROWS_ANNOTATION,                    
        AS_SINCE_ANNOTATION,                     
        AS_REMOVED_ANNOTATION,                   
        AS_CONST_EXPR_ANNOTATION,                
        AS_DERIVABLE_ANNOTATION,                 
        AS_NATIVE_ANNOTATION,                    

        AS_UNUSED_ANNOTATION,                    
        AS_NOINLINE_ANNOTATION,                  
        AS_SOFT_RANGE_ANNOTATION,                
        AS_HARD_RANGE_ANNOTATION,                
        AS_HIDDEN_ANNOTATION,                    
        AS_DEPRECATED_ANNOTATION,                
        AS_VERSION_NUMBER_ANNOTATION,            
        AS_VERSION_ANNOTATION,                   
        AS_DEPENDENCY_ANNOTATION,                
        AS_UI_ORDER_ANNOTATION,                  
        AS_USAGE_ANNOTATION,                     
        AS_ENABLE_IF_ANNOTATION,                 
        AS_THUMBNAIL_ANNOTATION,                 
        AS_DISPLAY_NAME_ANNOTATION,              
        AS_IN_GROUP_ANNOTATION,                  
        AS_DESCRIPTION_ANNOTATION,               
        AS_AUTHOR_ANNOTATION,                    
        AS_CONTRIBUTOR_ANNOTATION,               
        AS_COPYRIGHT_NOTICE_ANNOTATION,          
        AS_CREATED_ANNOTATION,                   
        AS_MODIFIED_ANNOTATION,                  
        AS_KEYWORDS_ANNOTATION,                  
        AS_ORIGIN_ANNOTATION,                    
        AS_NODE_OUTPUT_PORT_DEFAULT_ANNOTATION,  


        AS_ANNOTATION_LAST = AS_NODE_OUTPUT_PORT_DEFAULT_ANNOTATION,
        AS_FORCE_32_BIT = 0xffffffffU            //   Undocumented, for alignment only.
    };

    virtual const char* get_module() const = 0;

    virtual const char* get_name() const = 0;

    virtual const char* get_mdl_module_name() const = 0;

    virtual const char* get_mdl_simple_name() const = 0;

    virtual const char* get_mdl_parameter_type_name( Size index) const = 0;

    virtual Semantics 
               get_semantic() const = 0;

    virtual bool is_exported() const = 0;

    virtual void get_mdl_version( Mdl_version& since, Mdl_version& removed) const = 0;

    virtual Size 
               get_parameter_count() const = 0;

    virtual const char* get_parameter_name( Size index) const = 0;

    virtual Size 
               get_parameter_index( const char* name) const = 0;

    virtual const IType_list* get_parameter_types() const = 0;

    virtual const IExpression_list* get_defaults() const = 0;

    virtual const IAnnotation_block* get_annotations() const = 0;

    virtual const IAnnotation* create_annotation( const IExpression_list* arguments) const = 0;
};

mi_static_assert( sizeof( IAnnotation_definition::Semantics) == sizeof( Uint32));

class IAnnotation : public
    mi::base::Interface_declare<0xa9c652e7,0x952e,0x4887,0x93,0xb4,0x55,0xc8,0x66,0xd0,0x1a,0x1f>
{
public:
    virtual const char* get_name() const = 0;

    virtual void set_name( const char* name) = 0;

    virtual const IExpression_list* get_arguments() const = 0;

    virtual const IAnnotation_definition* get_definition() const = 0;
};

class IAnnotation_block : public
    mi::base::Interface_declare<0x57b0ae97,0x0815,0x41e8,0x89,0xe7,0x16,0xa1,0x23,0x86,0x80,0x6e>
{
public:
    virtual Size 
               get_size() const = 0;

    virtual const IAnnotation* get_annotation( Size index) const = 0;

    virtual Sint32 
               set_annotation( Size index, const IAnnotation* annotation) = 0;

    virtual Sint32 
               add_annotation( IAnnotation* annotation) = 0;
};

class IAnnotation_list : public
    mi::base::Interface_declare<0x6c4663c2,0x112f,0x4eeb,0x81,0x60,0x41,0xa5,0xa6,0xfb,0x74,0x3c>
{
public:
    virtual Size 
               get_size() const = 0;

    virtual Size 
               get_index( const char* name) const = 0;

    virtual const char* get_name( Size index) const = 0;

    virtual const IAnnotation_block* get_annotation_block( Size index) const = 0;

    virtual const IAnnotation_block* get_annotation_block( const char* name) const = 0;

    virtual Sint32 
               set_annotation_block( Size index, const IAnnotation_block* block) = 0;

    virtual Sint32 
               set_annotation_block( const char* name, const IAnnotation_block* block) = 0;

    virtual Sint32 
               add_annotation_block( const char* name, const IAnnotation_block* block) = 0;
};

class IExpression_factory : public
    mi::base::Interface_declare<0x9fd3b2d4,0xb5b8,0x4ccd,0x9b,0x5f,0x7b,0xd9,0x9d,0xeb,0x62,0x64>
{
public:


    virtual IValue_factory* get_value_factory() const = 0;




    virtual IExpression_constant* create_constant( IValue* value) const = 0;

    virtual const IExpression_constant* create_constant( const IValue* value) const = 0;

    virtual IExpression_call* create_call( const char* name) const = 0;

    virtual IExpression_parameter* create_parameter( const IType* type, Size index) const = 0;

    virtual IExpression_direct_call* create_direct_call(
        const char* name, IExpression_list* arguments, Sint32* errors = 0) const = 0;

    virtual IExpression_list* create_expression_list() const = 0;




    virtual IAnnotation* create_annotation(
        const char* name, const IExpression_list* arguments) const = 0;

    virtual IAnnotation_block* create_annotation_block() const = 0;

    virtual IAnnotation_list* create_annotation_list() const = 0;




    virtual IExpression* clone( const IExpression* expr) const = 0;

    template <class T>
    T* clone( const T* expr) const
    {
        IExpression* ptr_expr = clone( static_cast<const IExpression*>( expr));
        if( !ptr_expr)
            return 0;
        T* ptr_T = static_cast<T*>( ptr_expr->get_interface( typename T::IID()));
        ptr_expr->release();
        return ptr_T;
    }

    virtual IExpression_list* clone( const IExpression_list* expression_list) const = 0;




    enum Comparison_options {
        DEFAULT_OPTIONS      = 0,
        DEEP_CALL_COMPARISONS           = 1,
        SKIP_TYPE_ALIASES               = 2,
        // Undocumented, for alignment only
        COMPARISON_OPTIONS_FORCE_32_BIT = 0xffffffffU
    };

    virtual Sint32 
               compare(
        const IExpression* lhs,
        const IExpression* rhs,
        Uint32 flags = 0,
        Float64 epsilon = 0.0) const = 0;

    virtual Sint32 
               compare(
        const IExpression_list* lhs,
        const IExpression_list* rhs,
        Uint32 flags = 0,
        Float64 epsilon = 0.0) const = 0;




    virtual const IString* dump(
        const IExpression* expr, const char* name, Size depth = 0) const = 0;

    virtual const IString* dump(
        const IExpression_list* list, const char* name, Size depth = 0) const = 0;




    virtual const IString* dump(
        const IAnnotation* annotation, const char* name, Size depth = 0) const = 0;

    virtual const IString* dump( const IAnnotation_block* block, const char* name, Size depth = 0)
        const = 0;

    virtual const IString* dump( const IAnnotation_list* list, const char* name, Size depth = 0)
        const = 0;




    virtual IExpression* create_cast(
        IExpression* src_expr,
        const IType* target_type,
        const char* cast_db_name,
        bool force_cast,
        Sint32 *errors = 0) const = 0;

};

mi_static_assert( sizeof( IExpression_factory::Comparison_options) == sizeof( mi::Uint32));
 // end group mi_neuray_mdl_types

}  // namespace neuraylib

}  // namespace mi

#endif // MI_NEURAYLIB_IEXPRESSION_H

Namespaces

namespace mi: Common namespace for APIs of NVIDIA Advanced Rendering Center GmbH. More...
namespace mi::neuraylib: Namespace for the neuray API. More...

Classes

class mi::neuraylib::IAnnotation: An annotation is similar to a direct call expression, but without return type. More...
class mi::neuraylib::IAnnotation_block: An annotation block is an array of annotations. More...
class mi::neuraylib::IAnnotation_definition: An annotation definition. More...
class mi::neuraylib::IAnnotation_list: An ordered collection of annotation blocks identified by name or index. More...
class mi::neuraylib::IExpression: The interface to MDL expressions. More...
class mi::neuraylib::IExpression_call: An indirect call expression. More...
class mi::neuraylib::IExpression_constant: A constant expression. More...
class mi::neuraylib::IExpression_direct_call: A direct call expression. More...
class mi::neuraylib::IExpression_factory: The interface for creating expressions. More...
class mi::neuraylib::IExpression_list: An ordered collection of expressions identified by name or index. More...
class mi::neuraylib::IExpression_parameter: A parameter reference expression. More...
class mi::neuraylib::IExpression_temporary: A temporary reference expression. More...

Enumerations

enum mi::neuraylib::Mdl_version {MDL_VERSION_1_0, MDL_VERSION_1_1, MDL_VERSION_1_2, MDL_VERSION_1_3, MDL_VERSION_1_4, MDL_VERSION_1_5, MDL_VERSION_1_6, MDL_VERSION_1_7, MDL_VERSION_1_8, MDL_VERSION_EXP, MDL_VERSION_LATEST = MDL_VERSION_1_8, MDL_VERSION_INVALID = 0xffffffffU, MDL_VERSION_FORCE_32_BIT = 0xffffffffU }: The MDL version. More...

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iexpression.h File Reference

Description

Namespaces

Classes

Enumerations