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ObObxGen.cpp
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ObObxGen.cpp
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/*
* Copyright 2020-2021 Rochus Keller <mailto:me@rochus-keller.ch>
*
* This file is part of the Oberon parser/code model library.
*
* The following is the license that applies to this copy of the
* library. For a license to use the library under conditions
* other than those described here, please email to me@rochus-keller.ch.
*
* GNU General Public License Usage
* This file may be used under the terms of the GNU General Public
* License (GPL) versions 2.0 or 3.0 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in
* the packaging of this file. Please review the following information
* to ensure GNU General Public Licensing requirements will be met:
* http://www.fsf.org/licensing/licenses/info/GPLv2.html and
* http://www.gnu.org/copyleft/gpl.html.
*/
#include "ObObxGen.h"
#include <QCoreApplication>
#include <QDateTime>
#include <QDir>
#include <QtDebug>
using namespace Ob;
static inline SynTree* findFirstChild(const SynTree* st, int type , int startWith = 0, int* pos = 0 )
{
if( st == 0 )
return 0;
for( int i = startWith; i < st->d_children.size(); i++ )
{
SynTree* sub = st->d_children[i];
if( sub->d_tok.d_type == type )
{
if( pos )
*pos = i;
return sub;
}
}
return 0;
}
ObxGen::ObxGen(CodeModel* mdl):d_mdl(mdl),d_errs(0),d_genStubs(true),
nlAfterDeclHeader(true), nlPerDecl(true), nlPerStat(true), nlAfterBegin(true), nlBeforeEnd(true),
hasWchar(true), switchBBoxTypes(true), genSysFlags(false), genUnsafe(true)
{
Q_ASSERT( mdl != 0 );
d_errs = mdl->getErrs();
obxKeyWords
// keywords
<< "array" << "begin" << "by" << "case" << "definition" << "div" << "mod"
<< "do" << "else" << "elsif" << "end" << "exit" << "false" << "for"
<< "if" << "import" << "in" << "is" << "loop" << "module"
<< "nil" << "of" << "or" << "pointer" << "proc" << "procedure"
<< "record" << "repeat" << "return" << "then" << "to"
<< "true" << "type" << "var" << "while" << "with"
<< "unsafe" << "carray" << "cstruct" << "cunion" << "const" << "until";
QSet<QByteArray> tmp = obxKeyWords;
foreach( const QByteArray& str, tmp )
obxKeyWords << str.toUpper();
// predeclared
for( int i = CodeModel::Element::ABS; i <= CodeModel::Element::FALSE; i++ )
builtIns << CodeModel::Element::s_kindName[i];
builtIns << CodeModel::Element::s_kindName[CodeModel::Element::LED];
for( int i = CodeModel::Type::BOOLEAN; i <= CodeModel::Type::SET; i++ )
builtIns << CodeModel::Type::s_kindName[i];
obxBuiltIns
<< "abs" << "ash" << "asr" << "assert" << "boolean"<< "byte"
<< "cap" << "char" << "chr" << "copy" << "dec" << "entier"
<< "excl" << "floor" << "flt" << "halt" << "inc" << "incl"
<< "int" << "integer" << "len"
<< "long" << "longint" << "longreal" << "lsl" << "max"
<< "min" << "new" << "odd" << "ord" << "pack" << "real"
<< "ror" << "set" << "short" << "shortint" << "size"
<< "unpk" << "val" ;
if( hasWchar )
obxBuiltIns << "wchar" << "wchr";
}
bool ObxGen::emitModules(const QString& outdir, const QString& mod)
{
d_outdir = outdir;
d_mod = mod;
d_nameNr = 1;
const int precount = d_errs->getErrCount();
foreach( CodeModel::Module* m, d_mdl->getGlobalScope().d_mods )
{
qDebug() << "translating module" << m->d_name;
emitModule(m);
}
return precount == int(d_errs->getErrCount());
}
void ObxGen::emitModule(const CodeModel::Module* m)
{
root = m->d_def;
QDir dir(d_outdir);
if( !d_mod.isEmpty() )
{
dir.mkpath( d_mod );
dir.cd( d_mod );
}
QFile file( dir.absoluteFilePath( m->d_name + ".obx" ));
if( !file.open(QIODevice::WriteOnly ) )
{
d_errs->error(Errors::Generator,m->d_name, 0,0,QString("cannot open file '%1' for writing").arg(file.fileName()) );
return;
}
out.setDevice(&file);
#if 0
out << "// Generated by " << qApp->applicationName() << " " << qApp->applicationVersion() <<
" on " << QDateTime::currentDateTime().toString(Qt::ISODate) << endl << endl;
#endif
d_cmts.clear();
if( m->d_def )
d_cmts = d_mdl->getComments(m->d_def->d_tok.d_sourcePath);
d_nextCmt = 0;
d_isDef = m->d_isDef;
if( m->d_def )
module( m,m->d_def );
else
module( m );
}
void ObxGen::module(const CodeModel::Unit* u, SynTree* st)
{
level = 0;
prevRow = 1;
prevSym = 0;
rowPrinted = false;
if( st )
{
Q_ASSERT( st->d_children.size() >= 2 );
if(
#ifdef OB_BBOX
findFirstChild( st, SynTree::R_SysString ) ||
#endif
st->d_children.first()->d_tok.d_type == Tok_DEFINITION )
{
d_isDef = true;
print("definition ", st->d_children.first() );
}else
print("module ", st->d_children.first() );
print( st->d_children[1] );
if( st->d_children.size() > 2 )
assureNl( st->d_children[2],2 );
level++;
SynTree* il = findFirstChild( st, SynTree::R_ImportList );
if( il )
importList( u, il );
SynTree* dl = findFirstChild( st, SynTree::R_DeclarationSequence );
if( dl )
declarationSequence( u, dl );
dl = findFirstChild( st, SynTree::R_DeclarationSequence2 );
if( dl )
declarationSequence2( u, dl );
int pos;
level--;
if( SynTree* t = findFirstChild( st, Tok_BEGIN, 0, &pos ) )
{
Q_ASSERT( st->d_children.size() > pos + 1 );
print("begin", t);
level++;
Q_ASSERT( pos+1 < st->d_children.size() );
if( ifStatAfterBegin(st->d_children[pos+1]) )
assureNl( st->d_children[pos+1] );
statementSequence( u, st->d_children[pos+1] );
level--;
}
#ifdef OB_BBOX
if( SynTree* t = findFirstChild( st, Tok_CLOSE, 0, &pos ) )
{
Q_ASSERT( st->d_children.size() > pos + 1 );
print("(* CLOSE", t );
level++;
Q_ASSERT( pos+1 < st->d_children.size() );
if( ifStatAfterBegin(st->d_children[pos+1]) )
assureNl( st->d_children[pos+1] );
statementSequence( u, st->d_children[pos+1] );
level--;
print(" *) ");
}
#endif
if( SynTree* t = findFirstChild( st, Tok_END, 0, &pos ) )
{
Q_ASSERT( st->d_children.size() > pos + 1 );
if( nlBeforeEnd )
assureNl(t);
print("end ", t);
print( st->d_children[pos+1] );
newLine();
}
}
}
void ObxGen::module(const CodeModel::Module* m)
{
out << "// Generated/synthesized by " << qApp->applicationName() << " " << qApp->applicationVersion() <<
" on " << QDateTime::currentDateTime().toString(Qt::ISODate) << endl << endl;
out << "definition " << m->d_name << endl << endl;
bool found = false;
level++;
foreach( CodeModel::Element* e, m->d_elems )
{
if( e->d_kind == CodeModel::Element::Constant )
{
if( !found )
{
out << ind() << "const" << endl;
level++;
found = true;
}
out << ind() << escapeName(e->d_name) << " = " << e->d_const.toString() << endl;
}
}
if( found )
{
out << endl;
level--;
}
level--;
found = false;
level++;
foreach( CodeModel::Type* t, m->d_types )
{
if( !t->d_name.isEmpty() )
{
if( !found )
{
out << ind() << "type" << endl;
level++;
found = true;
}
out << ind() << escapeName(t->d_name) << " = ";
type(m,t);
out << endl;
}
}
if( found )
{
out << endl;
level--;
}
level--;
found = false;
level++;
foreach( CodeModel::Element* e, m->d_elems )
{
if( e->d_kind == CodeModel::Element::Variable )
{
if( !found )
{
out << ind() << "var" << endl;
level++;
found = true;
}
out << ind() << escapeName(e->d_name) << ": ";
type(m,e->d_type);
out << endl;
}
}
level--;
if( found )
{
out << endl;
level--;
}
found = false;
level++;
foreach( CodeModel::Element* e, m->d_elems )
{
if( e->d_kind == CodeModel::Element::StubProc )
{
found = true;
out << ind() << "proc " << escapeName(e->d_name) << "(";
for( int i = 0; i < e->d_vals.size(); i++ )
{
if( i != 0 )
out << "; ";
out << escapeName(e->d_vals[i]->d_name) << ": ";
type(m,e->d_vals[i]->d_type);
}
out << ")";
if( e->d_type )
{
out << ": ";
type(m,e->d_type);
}
out << endl;
}
}
level--;
if( found )
out << endl;
out << "end " << m->d_name << endl;
}
void ObxGen::importList(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() > 1 );
print("import ", st->d_children.first() );
level++;
for( int i = 1; i < st->d_children.size(); i++ )
{
if( i > 1 )
out << ", ";
import(u, st->d_children[i]);
}
level--;
}
void ObxGen::import(const CodeModel::Unit* u, SynTree* st)
{
switch( st->d_children.size() )
{
case 3:
ident(u,st->d_children.first() );
out << ":= ";
ident(u,st->d_children.last() );
break;
case 1:
ident(u,st->d_children.first() );
break;
default:
Q_ASSERT( false );
break;
}
}
void ObxGen::ident(const CodeModel::Unit* u, SynTree* st, bool leafIdent)
{
Q_ASSERT( st->d_tok.d_type == Tok_ident );
QByteArray id = st->d_tok.d_val;
bool dontTouchKeyword = false;
if( leafIdent )
{
const CodeModel::NamedThing* n = u->findByName(id);
if( n && ( n->d_scope == 0 || n->d_scope != &d_mdl->getGlobalScope() ) )
{
// it's a locally defined symbol and may override builtins; leave it alone
if( obxBuiltIns.contains(id) )
id += "_";
}else if( builtIns.contains(id) )
{
id = id.toLower();
if( id == "true" || id == "false" )
dontTouchKeyword = true; // otherwise true_ or false_ are returned
else if( switchBBoxTypes )
{
if( id == "real" )
id = "longreal";
else if( hasWchar && id == "char" )
id = "wchar";
else if( hasWchar && id == "chr" )
id = "wchr";
}
}else if( obxBuiltIns.contains(id) )
id += "_";
else if( switchBBoxTypes )
{
Q_ASSERT( id != "REAL" && id != "CHAR" );
if( id == "SHORTREAL" )
id = "real";
else if( id == "SHORTCHAR" )
id = "char";
}
}else if( obxBuiltIns.contains(id) )
id += "_";
if( !dontTouchKeyword && obxKeyWords.contains(id) )
id += "_";
print(id,st);
}
void ObxGen::declarationSequence(const CodeModel::Unit* u, SynTree* st)
{
int i = 0;
const bool moduleLevel = dynamic_cast<const CodeModel::Procedure*>(u) == 0;
if( !moduleLevel )
level++;
while( i < st->d_children.size() )
{
bool first = true;
switch( st->d_children[i]->d_tok.d_type )
{
case Tok_CONST:
print("const ",st->d_children[i++]);
level++;
if( nlAfterDeclHeader && i < st->d_children.size() )
assureNl(st->d_children[i]);
first = true;
while( i < st->d_children.size() && st->d_children[i]->d_tok.d_type == SynTree::R_ConstDeclaration )
{
if( !first )
{
if( nlPerDecl )
assureNl(st->d_children[i]);
else
semi(st->d_children[i]);
}
first = false;
constDeclaration(u,st->d_children[i++]);
}
level--;
break;
case Tok_TYPE:
print("type ",st->d_children[i++]);
level++;
if( nlAfterDeclHeader && i < st->d_children.size() )
assureNl(st->d_children[i]);
while( i < st->d_children.size() && st->d_children[i]->d_tok.d_type == SynTree::R_TypeDeclaration )
{
if( !first )
{
if( nlPerDecl )
assureNl(st->d_children[i]);
else
semi(st->d_children[i]);
}
first = false;
typeDeclaration(u,st->d_children[i++]);
}
level--;
break;
case Tok_VAR:
print("var ",st->d_children[i++]);
level++;
if( nlAfterDeclHeader && i < st->d_children.size() )
assureNl(st->d_children[i]);
while( i < st->d_children.size() && st->d_children[i]->d_tok.d_type == SynTree::R_VariableDeclaration )
{
if( !first )
{
if( nlPerDecl )
assureNl(st->d_children[i]);
else
semi(st->d_children[i]);
}
first = false;
variableDeclaration(u,st->d_children[i++]);
}
level--;
break;
case SynTree::R_ProcedureDeclaration:
procedureDeclaration(u,st->d_children[i++]);
break;
case SynTree::R_ProcedureHeading:
procedureHeading(u,st->d_children[i++]);
break;
#ifdef OB_BBOX
case SynTree::R_MethAttributes:
// ignore
i++;
break;
#endif
default:
Q_ASSERT(false);
break;
}
}
if( !moduleLevel )
level--;
}
void ObxGen::declarationSequence2(const CodeModel::Unit* u, SynTree* st)
{
declarationSequence(u,st);
}
void ObxGen::constDeclaration(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() == 3 );
identdef(u,st->d_children.first() );
out << " = ";
constExpression(u, st->d_children.last() );
}
void ObxGen::typeDeclaration(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() == 3 );
identdef( u, st->d_children.first() );
print( " = " );
type( u, st->d_children.last() );
}
void ObxGen::variableDeclaration(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() == 2 ); // ':' is transparent
identList( u, st->d_children.first() );
print( ": " );
type( u, st->d_children.last() );
}
void ObxGen::statementSequence(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st && st->d_tok.d_type == SynTree::R_StatementSequence );
for( int i = 0; i < st->d_children.size(); i++ )
{
if( st->d_children[i]->d_tok.d_type == SynTree::R_statement )
{
if( i != 0 )
{
if( nlPerStat )
assureNl(st->d_children[i]);
else
semi( st->d_children[i] );
}
statement( u, st->d_children[i] );
}
}
}
void ObxGen::procedureDeclaration(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() >= 2 && st->d_tok.d_type == SynTree::R_ProcedureDeclaration );
if( st->d_children.first()->d_tok.d_type == Tok_PROCEDURE )
{
switch( st->d_children[1]->d_tok.d_type )
{
case Tok_Hat:
skipTo( st->d_children.last() );
return; // forward declaration, ignored
case Tok_Minus:
print( "proc ", st->d_children.first() );
break;
default:
Q_ASSERT(false);
}
const CodeModel::Procedure* p = findProc( u, st );
for( int i = 2; i < st->d_children.size(); i++ )
{
switch( st->d_children[i]->d_tok.d_type )
{
#ifdef OB_OBN2
case SynTree::R_Receiver:
receiver( p, st->d_children[i] );
break;
#endif
case SynTree::R_identdef:
identdef( u, st->d_children[i] );
break;
case SynTree::R_FormalParameters:
formalParameters( p, st->d_children[i] );
break;
case SynTree::R_literal:
#ifdef OB_BBOX
case SynTree::R_MethAttributes:
#endif
break; // ignore
default:
Q_ASSERT( false );
}
}
print( " end" );
}
#ifdef OB_BBOX
else
{
const CodeModel::Procedure* p = procedureHeading( u, st->d_children.first() );
int off = 1;
QByteArrayList attrs;
if( st->d_children[off]->d_tok.d_type == Tok_ident )
{
attrs << st->d_children[off]->d_tok.d_val.toLower();
off++;
}
switch( st->d_children[off]->d_tok.d_type )
{
case Tok_ABSTRACT:
case Tok_EMPTY:
attrs << QByteArray(tokenTypeString(st->d_children[off]->d_tok.d_type)).toLower();
print(" end");
if( !attrs.isEmpty() )
{
print(" // ");
print( attrs.join(' ') );
}
break;
case Tok_integer:
attrs << st->d_children[off++]->d_tok.d_val;
for( int i = off; i < st->d_children.size(); i++ )
attrs << st->d_children[i]->d_tok.d_val;
print(" end");
if( !attrs.isEmpty() )
{
print(" // [code] ");
print( attrs.join(' ') );
}
break;
case Tok_EXTENSIBLE:
attrs << QByteArray(tokenTypeString(st->d_children[off++]->d_tok.d_type)).toLower();
if( !attrs.isEmpty() )
{
print(" // ");
print( attrs.join(' ') );
}
Q_ASSERT( off < st->d_children.size() );
assureNl( st->d_children[off]);
procedureBody( p, st->d_children[off++] );
Q_ASSERT( off < st->d_children.size() );
ident( u, st->d_children[off] );
break;
case SynTree::R_ProcedureBody:
if( !attrs.isEmpty() )
{
print(" // ");
print( attrs.join(' ') );
}
Q_ASSERT( off < st->d_children.size() );
assureNl( st->d_children[off]);
procedureBody( p, st->d_children[off++] );
Q_ASSERT( off < st->d_children.size() );
ident( u, st->d_children[off] );
break;
default:
Q_ASSERT( false );
}
}
#else
else
{
for( int i = 0; i < st->d_children.size(); i++ )
{
switch( st->d_children[i]->d_tok.d_type )
{
case SynTree::R_ProcedureHeading:
procedureHeading( u, st->d_children[i] );
break;
case SynTree::R_ProcedureBody:
procedureBody( u, st->d_children[i] );
break;
case Tok_ident:
ident( u, st->d_children[i] );
break;
default:
Q_ASSERT( false );
}
}
}
#endif
}
const CodeModel::Procedure*ObxGen::findProc(const CodeModel::Unit* u, SynTree* st)
{
SynTree* identDef = findFirstChild( st, SynTree::R_identdef );
Q_ASSERT( identDef && !identDef->d_children.isEmpty() && identDef->d_children.first()->d_tok.d_type == Tok_ident );
SynTree* id = identDef->d_children.first();
foreach( CodeModel::Procedure* p, u->d_procs )
{
if( p->d_id == id )
return p;
}
Q_ASSERT( false );
return 0;
}
const CodeModel::Procedure* ObxGen::procedureHeading(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st && st->d_tok.d_type == SynTree::R_ProcedureHeading );
const CodeModel::Procedure* p = findProc(u,st);
for( int i = 0; i < st->d_children.size(); i++ )
{
SynTree* first = st->d_children[i];
switch( first->d_tok.d_type )
{
case Tok_PROCEDURE:
case Tok_PROC:
print("proc ",first);
break;
case Tok_Star:
case Tok_Plus:
break; // ignore
#ifdef OB_BBOX
case SynTree::R_SysFlag:
case SynTree::R_SysString:
case Tok_Lbrack:
case Tok_Rbrack:
break; // ignore
#endif
#ifdef OB_OBN2
case SynTree::R_Receiver:
receiver(p,first);
break;
#endif
case SynTree::R_identdef:
identdef(u,first);
break;
case SynTree::R_FormalParameters:
formalParameters(p,first);
space();
break;
default:
Q_ASSERT(false);
}
}
return p;
}
void ObxGen::identdef(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() );
// ident(u,st->d_children.first());
SynTree* first = st->d_children.first();
Q_ASSERT( first->d_tok.d_type == Tok_ident );
QByteArray id = first->d_tok.d_val;
id = escapeName(id);
print(id,first);
if( st->d_children.size() > 1 )
{
if( d_isDef )
{
if( st->d_children[1]->d_tok.d_type == Tok_Minus )
print( st->d_children[1] );
}else
print( st->d_children[1] );
}
}
void ObxGen::constExpression(const CodeModel::Unit* u, SynTree* st)
{
// transparent
expression(u,st);
}
void ObxGen::expression(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st && !st->d_children.isEmpty() && st->d_tok.d_type == SynTree::R_expression );
simpleExpression(u,st->d_children.first() );
if( st->d_children.size() >= 3 )
{
space();
Q_ASSERT( !st->d_children[1]->d_children.isEmpty() );
print( st->d_children[1]->d_children.first(), true );
space();
simpleExpression(u,st->d_children[2]);
}
}
void ObxGen::simpleExpression(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() >= 1 && st->d_tok.d_type == SynTree::R_SimpleExpression );
int off = 0;
if( st->d_children.first()->d_tok.d_type == Tok_Plus || st->d_children.first()->d_tok.d_type == Tok_Minus )
{
off++;
print( st->d_children.first() );
}
term( u, st->d_children[off++] );
for( int i = off; i < st->d_children.size(); i += 2 )
{
space();
Q_ASSERT( !st->d_children[i]->d_children.isEmpty() );
print( st->d_children[i]->d_children.first(), true );
space();
term( u, st->d_children[i+1] );
}
}
void ObxGen::term(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() >= 1 && st->d_tok.d_type == SynTree::R_term );
factor( u, st->d_children.first() );
for( int i = 1; i < st->d_children.size(); i += 2 )
{
space();
Q_ASSERT( !st->d_children[i]->d_children.isEmpty() );
print( st->d_children[i]->d_children.first(), true );
space();
factor( u, st->d_children[i+1] );
}
}
void ObxGen::factor(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() >= 1 && st->d_tok.d_type == SynTree::R_factor );
switch( st->d_children.first()->d_tok.d_type )
{
case SynTree::R_literal:
literal( u, st->d_children.first() );
break;
case SynTree::R_variableOrFunctionCall:
variableOrFunctionCall( u, st->d_children.first() );
break;
case Tok_Lpar:
Q_ASSERT( st->d_children.size() == 3 );
print( st->d_children[0] );
expression( u, st->d_children[1] );
print( st->d_children[2] );
break;
case Tok_Tilde:
Q_ASSERT( st->d_children.size() == 2 );
print( st->d_children[0] );
factor( u, st->d_children[1] );
break;
default:
qDebug() << SynTree::rToStr( st->d_children.first()->d_tok.d_type );
Q_ASSERT( false );
}
}
void ObxGen::literal(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() && st->d_tok.d_type == SynTree::R_literal );
SynTree* first = st->d_children.first();
switch( first->d_tok.d_type )
{
case SynTree::R_number:
number(u,first);
break;
case Tok_string:
print( first );
break;
case Tok_hexstring:
print( first, true );
break;
case Tok_hexchar:
print( first, true );
break;
case Tok_NIL:
print("nil", first);
break;
case SynTree::R_set:
set(u,first);
break;
#ifndef OB_BBOX
case Tok_TRUE:
print("true", st->d_children.first());
break;
case Tok_FALSE:
print("false", st->d_children.first());
break;
#endif
default:
Q_ASSERT( false );
}
}
void ObxGen::number(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() );
SynTree* first = st->d_children.first();
switch( first->d_tok.d_type )
{
case Tok_integer:
{
QByteArray num = first->d_tok.d_val.toLower();
if( num.endsWith('l') )
num[num.size()-1] = 'h';
print( num, first );
}
break;
case Tok_real:
print( first, true );
break;
default:
Q_ASSERT( false );
}
}
void ObxGen::variableOrFunctionCall(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() && st->d_tok.d_type == SynTree::R_variableOrFunctionCall );
designator( u, st->d_children.first() );
}
void ObxGen::designator(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() && st->d_tok.d_type == SynTree::R_designator );
qualident( u, st->d_children.first() );
for( int i = 1; i < st->d_children.size(); i++ )
selector(u, st->d_children[i] );
#ifdef OB_BBOX
if( st->d_children.last()->d_tok.d_type == Tok_Dlr )
{
CodeModel::DesigOpList ops = d_mdl->derefDesignator(u,st);
if( ops.isEmpty() )
return;
const CodeModel::NamedThing* n = ops.last().d_sym;
if( n == 0 )
return;
const CodeModel::Type* type = 0;
if( const CodeModel::Element* e = n->to<CodeModel::Element>() )
type = e->d_type;
else if( const CodeModel::Type* t = n->to<CodeModel::Type>() )
type = t;
else if( const CodeModel::Procedure* p = n->to<CodeModel::Procedure>() )
type = p->d_type;
if( type && type->d_kind == CodeModel::Type::TypeRef )
type = type->d_type;
if( type && type->d_kind == CodeModel::Type::Pointer )
print("^", st->d_children.last() );
}
#endif
}
void ObxGen::set(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st->d_children.size() >= 2 );
print( st->d_children.first() );
for( int i = 1; i < st->d_children.size(); i++ )
{
SynTree* e = st->d_children[i];
if( e->d_tok.d_type == SynTree::R_element )
{
if( i != 1 )
print( ", " );
element(u,e);
}
}
print( st->d_children.last() );
}
void ObxGen::qualident(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( st && st->d_tok.d_type == SynTree::R_qualident );
if( st->d_children.size() == 2 ) // dot is transparent
{
ident(u,st->d_children.first());
print( "." );
ident(u,st->d_children.last(),false);
}else
{
Q_ASSERT( st->d_children.size() == 1 );
ident(u,st->d_children.first());
}
}
void ObxGen::selector(const CodeModel::Unit* u, SynTree* st)
{
if( st->d_children.isEmpty() )
return; // happens in case of $ selector
Q_ASSERT( !st->d_children.isEmpty() );
SynTree* first = st->d_children.first();
switch( first->d_tok.d_type )
{
case Tok_ident: // dot is transparent
Q_ASSERT( st->d_children.size() == 1 );
print( "." );
ident( u, st->d_children.last(), false );
break;
case Tok_Lbrack:
Q_ASSERT( st->d_children.size() == 3 );
print( first->d_tok.d_val, first );
expList( u, st->d_children[1] );
print( st->d_children.last() );
break;
case Tok_Lpar:
Q_ASSERT( st->d_children.size() >= 2 );
print( first );
if( st->d_children.size() > 2 )
expList( u, st->d_children[1] );
print( st->d_children.last() );
break;
case Tok_Hat:
print( first );
break;
default:
qDebug() << SynTree::rToStr( st->d_children.first()->d_tok.d_type );
Q_ASSERT( false );
}
}
void ObxGen::expList(const CodeModel::Unit* u, SynTree* st)
{
Q_ASSERT( !st->d_children.isEmpty() );
expression(u, st->d_children.first() );