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Diffstat (limited to 'TAO/TAO_IDL/be/be_structure.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_structure.cpp | 720 |
1 files changed, 0 insertions, 720 deletions
diff --git a/TAO/TAO_IDL/be/be_structure.cpp b/TAO/TAO_IDL/be/be_structure.cpp deleted file mode 100644 index 3073c59e1f3..00000000000 --- a/TAO/TAO_IDL/be/be_structure.cpp +++ /dev/null @@ -1,720 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// be_structure.cpp -// -// = DESCRIPTION -// Extension of class AST_Structure that provides additional means for C++ -// mapping. -// -// = AUTHOR -// Copyright 1994-1995 by Sun Microsystems, Inc. -// and -// Aniruddha Gokhale -// -// ============================================================================ - -#include "idl.h" -#include "idl_extern.h" -#include "be.h" - -ACE_RCSID(be, be_structure, "$Id$") - - -/* - * BE_Structure - */ -be_structure::be_structure (void) -{ -} - -be_structure::be_structure (UTL_ScopedName *n, UTL_StrList *p) - : AST_Decl (AST_Decl::NT_struct, n, p), - UTL_Scope (AST_Decl::NT_struct), - member_count_ (-1) -{ -} - -// compute total number of members -int -be_structure::compute_member_count (void) -{ - UTL_ScopeActiveIterator *si; // iterator - - this->member_count_ = 0; - - // if there are elements in this scope - if (this->nmembers () > 0) - { - // instantiate a scope iterator. - si = new UTL_ScopeActiveIterator (this, UTL_Scope::IK_decls); - - while (!(si->is_done ())) - { - this->member_count_++; - si->next (); - } // end of while - delete si; // free the iterator object - } - return 0; -} - -// return the member count -int -be_structure::member_count (void) -{ - if (this->member_count_ == -1) - this->compute_member_count (); - - return this->member_count_; -} - -// generate the _var definition for ourself -int -be_structure::gen_var_defn (void) -{ - TAO_OutStream *ch; // output stream - TAO_NL nl; // end line - char namebuf [NAMEBUFSIZE]; // names - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (namebuf, "%s_var", this->local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ch = cg->client_header (); - - // generate the var definition (always in the client header). - // Depending upon the data type, there are some differences which we account - // for over here. - - ch->indent (); // start with whatever was our current indent level - *ch << "class " << idl_global->export_macro () - << " " << namebuf << nl; - *ch << "{" << nl; - *ch << "public:\n"; - ch->incr_indent (); - // default constr - *ch << namebuf << " (void); // default constructor" << nl; - // constr - *ch << namebuf << " (" << local_name () << " *);" << nl; - // copy constructor - *ch << namebuf << " (const " << namebuf << - " &); // copy constructor" << nl; - // destructor - *ch << "~" << namebuf << " (void); // destructor" << nl; - *ch << nl; - // assignment operator from a pointer - *ch << namebuf << " &operator= (" << local_name () << " *);" << nl; - // assignment from _var - *ch << namebuf << " &operator= (const " << namebuf << " &);" << nl; - - // arrow operator - *ch << local_name () << " *operator-> (void);" << nl; - *ch << "const " << local_name () << " *operator-> (void) const;" << nl; - *ch << nl; - - // other extra types (cast operators, [] operator, and others) - *ch << "operator const " << local_name () << " &() const;" << nl; - *ch << "operator " << local_name () << " &();" << nl; - *ch << "operator " << local_name () << " &() const;" << nl; - *ch << "// in, inout, out, _retn " << nl; - // the return types of in, out, inout, and _retn are based on the parameter - // passing rules and the base type - if (this->size_type () == be_decl::FIXED) - { - *ch << "const " << local_name () << " &in (void) const;" << nl; - *ch << local_name () << " &inout (void);" << nl; - *ch << local_name () << " &out (void);" << nl; - *ch << local_name () << " _retn (void);" << nl; - } - else - { - *ch << "const " << local_name () << " &in (void) const;" << nl; - *ch << local_name () << " &inout (void);" << nl; - *ch << local_name () << " *&out (void);" << nl; - *ch << local_name () << " *_retn (void);" << nl; - } - - // generate an additional member function that returns the underlying pointer - *ch << local_name () << " *ptr (void) const;\n"; - - *ch << "\n"; - ch->decr_indent (); - - // generate the private section - *ch << "private:\n"; - ch->incr_indent (); - *ch << local_name () << " *ptr_;\n"; - ch->decr_indent (); - *ch << "};\n\n"; - - return 0; -} - -// implementation of the _var class. All of these get generated in the inline -// file -int -be_structure::gen_var_impl (void) -{ - TAO_OutStream *ci; // output stream - TAO_NL nl; // end line - char fname [NAMEBUFSIZE]; // to hold the full and - char lname [NAMEBUFSIZE]; // local _var names - - ACE_OS::memset (fname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (fname, "%s_var", this->fullname ()); - - ACE_OS::memset (lname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (lname, "%s_var", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ci = cg->client_inline (); - - ci->indent (); // start with whatever was our current indent level - - *ci << "// *************************************************************" - << nl; - *ci << "// Inline operations for class " << fname << nl; - *ci << "// *************************************************************\n\n"; - - // default constr - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << - " (void) // default constructor" << nl; - *ci << " " << ": ptr_ (0)" << nl; - *ci << "{}\n\n"; - - // constr from a pointer - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << name () << " *p)" << nl; - *ci << " : ptr_ (p)" << nl; - *ci << "{}\n\n"; - - // copy constructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (const " << fname << - " &p) // copy constructor" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "if (p.ptr_)" << nl; - *ci << " this->ptr_ = new " << this->name () << "(*p.ptr_);" << nl; - *ci << "else" << nl; - *ci << " this->ptr_ = 0;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // destructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::~" << lname << " (void) // destructor" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "delete this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator from a pointer - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (" << name () << - " *p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "delete this->ptr_;" << nl; - *ci << "this->ptr_ = p;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator from _var - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (const " << fname << - " &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "if (this != &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "delete this->ptr_;" << nl; - *ci << "this->ptr_ = new " << this->name () << " (*p.ptr_);\n"; - ci->decr_indent (); - *ci << "}" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // two arrow operators - ci->indent (); - *ci << "ACE_INLINE const " << this->name () << " *" << nl; - *ci << fname << "::operator-> (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << this->name () << " *" << nl; - *ci << fname << "::operator-> (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // other extra methods - 3 cast operator () - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator const " << name () << - " &() const // cast" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator " << name () << " &() // cast " << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator " << name () << " &() const// cast " << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // in, inout, out, and _retn - ci->indent (); - *ci << "ACE_INLINE const " << name () << " &" << nl; - *ci << fname << "::in (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << " &" << nl; - *ci << fname << "::inout (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // the out is handled differently based on our size type - ci->indent (); - if (this->size_type () == be_decl::VARIABLE) - { - *ci << "// mapping for variable size " << nl; - *ci << "ACE_INLINE " << name () << " *&" << nl; - *ci << fname << "::out (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "delete this->ptr_;" << nl; - *ci << "this->ptr_ = 0;" << nl; - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << " *" << nl; - *ci << fname << "::_retn (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << this->name () << " *tmp = this->ptr_;" << nl; - *ci << "this->ptr_ = 0;" << nl; - *ci << "return tmp;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - } - else - { - *ci << "// mapping for fixed size " << nl; - *ci << "ACE_INLINE " << name () << " &" << nl; - *ci << fname << "::out (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << nl; - *ci << fname << "::_retn (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return *this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - } - - // the additional ptr () member function - ci->indent (); - *ci << "ACE_INLINE " << name () << " *" << nl; - *ci << fname << "::ptr (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - return 0; -} - -// generate the _out definition -int -be_structure::gen_out_defn (void) -{ - TAO_OutStream *ch; // output stream - TAO_NL nl; // end line - char namebuf [NAMEBUFSIZE]; // to hold the _out name - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (namebuf, "%s_out", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ch = cg->client_header (); - - // generate the out definition (always in the client header) - ch->indent (); // start with whatever was our current indent level - - *ch << "class " << idl_global->export_macro () - << " " << namebuf << nl; - *ch << "{" << nl; - *ch << "public:\n"; - ch->incr_indent (); - - // No default constructor - - // constructor from a pointer - *ch << namebuf << " (" << local_name () << " *&);" << nl; - // constructor from a _var & - *ch << namebuf << " (" << local_name () << "_var &);" << nl; - // constructor from a _out & - *ch << namebuf << " (const " << namebuf << " &);" << nl; - // assignment operator from a _out & - *ch << namebuf << " &operator= (const " << namebuf << " &);" << nl; - // assignment operator from a pointer &, cast operator, ptr fn, operator - // -> and any other extra operators - // assignment - *ch << namebuf << " &operator= (" << local_name () << " *);" << nl; - // operator () - *ch << "operator " << local_name () << " *&();" << nl; - // ptr fn - *ch << local_name () << " *&ptr (void);" << nl; - // operator -> - *ch << local_name () << " *operator-> (void);" << nl; - - *ch << "\n"; - ch->decr_indent (); - *ch << "private:\n"; - ch->incr_indent (); - *ch << local_name () << " *&ptr_;" << nl; - *ch << "// assignment from T_var not allowed" << nl; - *ch << "void operator= (const " << local_name () << "_var &);\n"; - - ch->decr_indent (); - *ch << "};\n\n"; - return 0; -} - -int -be_structure::gen_out_impl (void) -{ - TAO_OutStream *ci; // output stream - TAO_NL nl; // end line - char fname [NAMEBUFSIZE]; // to hold the full and - char lname [NAMEBUFSIZE]; // local _out names - - ACE_OS::memset (fname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (fname, "%s_out", this->fullname ()); - - ACE_OS::memset (lname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (lname, "%s_out", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ci = cg->client_inline (); - - // generate the var implementation in the inline file - - ci->indent (); // start with whatever was our current indent level - - *ci << "// *************************************************************" - << nl; - *ci << "// Inline operations for class " << fname << nl; - *ci << "// *************************************************************\n\n"; - - // constr from a pointer - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << name () << " *&p)" << nl; - *ci << " : ptr_ (p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = 0;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // constructor from _var & - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << this->name () << - "_var &p) // constructor from _var" << nl; - *ci << " : ptr_ (p.out ())" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "delete this->ptr_;" << nl; - *ci << "this->ptr_ = 0;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // copy constructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (const " << fname << - " &p) // copy constructor" << nl; - *ci << " : ptr_ (ACE_const_cast (" << fname << "&,p).ptr_)" << nl; - *ci << "{}\n\n"; - - // assignment operator from _out & - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (const " << fname << - " &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = ACE_const_cast (" << fname << "&,p).ptr_;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment from _var is not allowed by a private declaration - - // assignment operator from pointer - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (" << this->name () << - " *p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = p;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // other extra methods - cast operator () - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator " << this->name () << - " *&() // cast" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // ptr function - ci->indent (); - *ci << "ACE_INLINE " << this->name () << " *&" << nl; - *ci << fname << "::ptr (void) // ptr" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // operator -> - ci->indent (); - *ci << "ACE_INLINE " << this->name () << " *" << nl; - *ci << fname << "::operator-> (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - - return 0; -} - -// generate typecode. -// Typecode for structures comprises the enumerated value followed by the -// encapsulation of the parameters - -int -be_structure::gen_typecode (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - cs = cg->client_stubs (); - cs->indent (); // start from whatever indentation level we were at - - *cs << "CORBA::tk_struct, // typecode kind" << nl; - *cs << this->tc_encap_len () << ", // encapsulation length\n"; - // now emit the encapsulation - cs->incr_indent (0); - if (this->gen_encapsulation () == -1) - { - return -1; - } - cs->decr_indent (); - return 0; -} - -// generate encapsulation -// An encapsulation for ourselves will be necessary when we are part of some -// other IDL type and a typecode for that other type is being generated. This -// will comprise our typecode kind. IDL types with parameters will additionally -// have the encapsulation length and the entire typecode description -int -be_structure::gen_encapsulation (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - long i, arrlen; - ACE_UINT32 *arr; - - cs = cg->client_stubs (); - cs->indent (); // start from whatever indentation level we were at - - *cs << "TAO_ENCAP_BYTE_ORDER, // byte order" << nl; - // generate repoID - *cs << (ACE_OS::strlen (this->repoID ())+1) << ", "; - (void)this->tc_name2long (this->repoID (), arr, arrlen); - for (i=0; i < arrlen; i++) - { - cs->print ("ACE_NTOHL (0x%x), ", arr[i]); - } - *cs << " // repository ID = " << this->repoID () << nl; - // generate name - *cs << (ACE_OS::strlen (this->local_name ()->get_string ())+1) << ", "; - (void)this->tc_name2long(this->local_name ()->get_string (), arr, arrlen); - for (i=0; i < arrlen; i++) - { - cs->print ("ACE_NTOHL (0x%x), ", arr[i]); - } - *cs << " // name = " << this->local_name () << nl; - // generate the member count - *cs << this->member_count () << ", // member count\n"; - cs->incr_indent (0); - // hand over to the scope to generate the typecode for elements - if (be_scope::gen_encapsulation () == -1) - { - ACE_ERROR ((LM_ERROR, "be_structure: cannot generate typecode for members\n")); - return -1; - } - cs->decr_indent (0); - return 0; -} - -// compute typecode size -long -be_structure::tc_size (void) -{ - // 4 bytes for enumeration, 4 bytes for storing encap length val, followed by the - // actual encapsulation length - return 4 + 4 + this->tc_encap_len (); -} - -// compute encapsulation length -long -be_structure::tc_encap_len (void) -{ - if (this->encap_len_ == -1) // not computed yet - { - this->encap_len_ = 4; // holds the byte order flag - - this->encap_len_ += this->repoID_encap_len (); // repoID - - // do the same thing for the local name - this->encap_len_ += this->name_encap_len (); - - this->encap_len_ += 4; // to hold the member count - - // compute encap length for members - this->encap_len_ += be_scope::tc_encap_len (); - } - return this->encap_len_; -} - -// compute the size type of the node in question -int -be_structure::compute_size_type (void) -{ - UTL_ScopeActiveIterator *si; - AST_Decl *d; - be_decl *bd; - - if (this->nmembers () > 0) - { - // if there are elements in this scope - - si = new UTL_ScopeActiveIterator (this, UTL_Scope::IK_decls); - // instantiate a scope iterator. - - while (!(si->is_done ())) - { - // get the next AST decl node - d = si->item (); - bd = be_decl::narrow_from_decl (d); - if (bd != 0) - { - // our sizetype depends on the sizetype of our members. Although - // previous value of sizetype may get overwritten, we are - // guaranteed by the "size_type" call that once the value reached - // be_decl::VARIABLE, nothing else can overwrite it. - this->size_type (bd->size_type ()); - } - else - { - ACE_DEBUG ((LM_DEBUG, - "WARNING (%N:%l) be_structure::compute_size_type - " - "narrow_from_decl returned 0\n")); - } - si->next (); - } // end of while - delete si; // free the iterator object - } - return 0; -} - -int -be_structure::accept (be_visitor *visitor) -{ - return visitor->visit_structure (this); -} - -// Narrowing -IMPL_NARROW_METHODS3 (be_structure, AST_Structure, be_scope, be_type) -IMPL_NARROW_FROM_DECL (be_structure) -IMPL_NARROW_FROM_SCOPE (be_structure) |