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trick/trick_source/codegen/Interface_Code_Gen/FieldVisitor.cpp
Alex Lin 5285f1a72e Symbolic links rise again #530 
Found more places where symbolic links cause havoc.  Also added back a #define
that was removed in parameter_types.h and added back the messaging routines to
the list swig processes.
2017-12-12 10:17:24 -06:00

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#include <iostream>
#include "llvm/Support/CommandLine.h"
#include "clang/Basic/SourceManager.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Comment.h"
#include "clang/Sema/Sema.h"
#include "FieldVisitor.hh"
#include "FieldDescription.hh"
#include "ClassValues.hh"
#include "EnumValues.hh"
#include "ClassVisitor.hh"
#include "CommentSaver.hh"
#include "Utilities.hh"
extern llvm::cl::opt< int > debug_level ;
FieldVisitor::FieldVisitor(clang::CompilerInstance & in_ci ,
HeaderSearchDirs & in_hsd ,
CommentSaver & in_cs ,
PrintAttributes & in_pa ,
std::string container_class ) :
ci(in_ci) ,
hsd(in_hsd) ,
cs(in_cs) ,
pa(in_pa) {
fdes = new FieldDescription(container_class) ;
}
bool FieldVisitor::VisitDecl(clang::Decl *d) {
if ( debug_level >= 4 ) {
std::cout << "\n\033[32mFieldVisitor VisitDecl Decl = " << d->getDeclKindName() << "\033[00m" << std::endl ;
d->dump() ;
}
return true ;
}
bool FieldVisitor::VisitType(clang::Type *t) {
if ( debug_level >= 4 ) {
std::cout << "FieldVisitor VisitType Type = " << t->getTypeClassName() << std::endl ;
t->dump() ;
}
// If this type is a reference, set IO to 0
if ( t->isReferenceType() ) {
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor VisitType found reference, setIO = 0 " << std::endl ;
}
fdes->setIO(0) ;
}
return true;
}
bool FieldVisitor::VisitBuiltinType(clang::BuiltinType *bt) {
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor::VisitBuiltinType " << bt->desugar().getAsString() << std::endl ;
}
fdes->setTypeName(bt->desugar().getAsString()) ;
if ( fdes->isBitField() ) {
if ( bt->isUnsignedInteger() ) {
fdes->setEnumString("TRICK_UNSIGNED_BITFIELD") ;
} else {
fdes->setEnumString("TRICK_BITFIELD") ;
}
if ( bt->getKind() == clang::BuiltinType::Bool ) {
fdes->setTypeName("bool") ;
}
} else {
switch ( bt->getKind() ) {
case clang::BuiltinType::Bool:
fdes->setEnumString("TRICK_BOOLEAN") ;
fdes->setTypeName("bool") ;
break ;
case clang::BuiltinType::Char_S:
case clang::BuiltinType::SChar:
fdes->setEnumString("TRICK_CHARACTER") ;
break ;
case clang::BuiltinType::UChar:
case clang::BuiltinType::Char_U:
fdes->setEnumString("TRICK_UNSIGNED_CHARACTER") ;
break ;
case clang::BuiltinType::WChar_U:
case clang::BuiltinType::WChar_S:
fdes->setEnumString("TRICK_WCHAR") ;
break ;
case clang::BuiltinType::Short:
fdes->setEnumString("TRICK_SHORT") ;
break ;
case clang::BuiltinType::UShort:
case clang::BuiltinType::Char16:
fdes->setEnumString("TRICK_UNSIGNED_SHORT") ;
break ;
case clang::BuiltinType::Int:
fdes->setEnumString("TRICK_INTEGER") ;
break ;
case clang::BuiltinType::UInt:
fdes->setEnumString("TRICK_UNSIGNED_INTEGER") ;
break ;
case clang::BuiltinType::Long:
fdes->setEnumString("TRICK_LONG") ;
break ;
case clang::BuiltinType::ULong:
fdes->setEnumString("TRICK_UNSIGNED_LONG") ;
break ;
case clang::BuiltinType::LongLong:
fdes->setEnumString("TRICK_LONG_LONG") ;
break ;
case clang::BuiltinType::ULongLong:
fdes->setEnumString("TRICK_UNSIGNED_LONG_LONG") ;
break ;
case clang::BuiltinType::Float:
fdes->setEnumString("TRICK_FLOAT") ;
break ;
case clang::BuiltinType::Double:
fdes->setEnumString("TRICK_DOUBLE") ;
break ;
default:
fdes->setEnumString("TRICK_VOID") ;
break ;
}
}
return false;
}
bool FieldVisitor::VisitConstantArrayType(clang::ConstantArrayType *cat) {
//cat->dump() ; std::cout << std::endl ;
fdes->addArrayDim(cat->getSize().getZExtValue()) ;
return true;
}
/* Both FieldDecl and VarDecl derive from DeclaratorDecl. We can do
common things to both node types in this function */
bool FieldVisitor::VisitDeclaratorDecl( clang::DeclaratorDecl *dd ) {
fdes->setFileName(getFileName(ci , dd->getLocation(), hsd)) ;
fdes->setName(dd->getNameAsString()) ;
fdes->setAccess(dd->getAccess()) ;
/* Get the source location of this field.*/
clang::SourceRange dd_range = dd->getSourceRange() ;
clang::PresumedLoc PLoc = ci.getSourceManager().getPresumedLoc(dd_range.getEnd());
std::string file_name ;
if (!PLoc.isInvalid()) {
char * resolved_path = almostRealPath(PLoc.getFilename()) ;
if ( resolved_path != NULL ) {
file_name = std::string(resolved_path) ;
free(resolved_path) ;
}
}
if ( ! file_name.empty() ) {
if ( isInUserOrTrickCode( ci , dd_range.getEnd() , hsd ) ) {
fdes->setLineNo(ci.getSourceManager().getSpellingLineNumber(dd_range.getEnd())) ;
/* process comment if neither ICG:(No) or ICG:(NoComment) is present */
if ( cs.hasTrickHeader(file_name) and
!cs.hasICGNoComment(file_name) and
!hsd.isPathInICGNoComment(file_name) ) {
/* Get the possible comment on this line and parse it */
fdes->parseComment(cs.getComment(file_name , fdes->getLineNo())) ;
}
}
}
if ( debug_level >= 3 ) {
if ( ! ci.getSourceManager().isInSystemHeader(dd_range.getEnd()) ) {
std::cout << "FieldVisitor VisitDeclaratorDecl" << std::endl ;
std::cout << " file_name = " << file_name << std::endl ;
std::cout << " line num = " << fdes->getLineNo() << std::endl ;
std::cout << " comment = " << cs.getComment(file_name , fdes->getLineNo()) << std::endl ;
std::cout << " public/private = " << fdes->getAccess() << std::endl ;
std::cout << " io = " << fdes->getIO() << std::endl ;
}
}
// returns true if any io is allowed. returning false will stop processing of this variable here.
return fdes->getIO() ;
}
bool FieldVisitor::VisitEnumType( clang::EnumType *et ) {
std::string enum_type_name = et->desugar().getAsString() ;
if ( debug_level >= 3 ) {
std::cout << "\nFieldVisitor VisitEnumType" << std::endl ;
std::cout << et->desugar().getAsString() << std::endl ;
}
size_t pos ;
if ((pos = enum_type_name.find("enum ")) != std::string::npos ) {
enum_type_name.erase(pos , 5) ;
}
// If this enum is to an enumeration found inside a template, e.g. template<type>::enum_type ignore it.
// because there will not be enumeration attribute information generated for this enum.
if ((pos = enum_type_name.find("<")) != std::string::npos ) {
size_t last_pos = enum_type_name.find_last_of(">::") ;
enum_type_name.replace(pos, last_pos - pos + 1, "__") ;
//fdes->setIO(0) ;
}
fdes->setMangledTypeName("") ;
fdes->setTypeName(enum_type_name) ;
fdes->setEnumString("TRICK_ENUMERATED") ;
fdes->setEnum(true) ;
return true ;
}
bool FieldVisitor::VisitFieldDecl( clang::FieldDecl *field ) {
clang::QualType qt = field->getType() ;
// set the offset and size field
fdes->setFieldOffset(field->getASTContext().getFieldOffset(field)) ;
fdes->setFieldWidth(field->getASTContext().getTypeSize(qt)) ;
if ( field->isBitField()) {
fdes->setBitField(true) ;
fdes->setBitFieldWidth(field->getBitWidthValue(field->getASTContext())) ;
unsigned int field_offset_bits = field->getASTContext().getFieldOffset(field) + fdes->getBaseClassOffset() * 8 ;
fdes->setBitFieldStart( 32 - (field_offset_bits % 32) - fdes->getBitFieldWidth()) ;
fdes->setBitFieldByteOffset((field_offset_bits / 32) * 4 ) ;
}
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor VisitFieldDecl" << std::endl ;
std::cout << " is_bitfield = " << fdes->isBitField() << std::endl ;
std::cout << " is_canonical = " << qt.isCanonical() << std::endl ;
std::cout << " is_hidden = " << field->isHidden() << std::endl ;
//field->dump() ;
}
// If the current type is not canonical because of typedefs or template parameter substitution,
// traverse the canonical type
if ( !qt.isCanonical() ) {
fdes->setNonCanonicalTypeName(qt.getAsString()) ;
clang::QualType ct = qt.getCanonicalType() ;
std::string tst_string = ct.getAsString() ;
if ( debug_level >= 3 ) {
std::cout << "\033[33mFieldVisitor VisitFieldDecl: Processing canonical type\033[00m" << std::endl ;
ct.dump() ;
}
TraverseType(ct) ;
// We have extracted the canonical type and everything else we need
// return false so we cut off processing of this AST branch
return false ;
}
return true ;
}
bool FieldVisitor::VisitPointerType(clang::PointerType *p) {
fdes->addArrayDim(-1) ;
return true;
}
std::map < std::string , std::string > FieldVisitor::processed_templates ;
bool FieldVisitor::ProcessTemplate(std::string in_name , clang::CXXRecordDecl * crd ) {
// Save container namespaces and classes.
// If we have trouble getting the namespaces and classes immediately return.
if ( !fdes->getNamespacesAndClasses(crd->getDeclContext())) {
fdes->setIO(0) ;
return false ;
}
size_t pos ;
// Check to see if we've processed this template before
// If not we need to create attributes for this template
if ( processed_templates.find(in_name) == processed_templates.end() ) {
std::string mangled_name = sanitize(in_name) ;
// save off the mangled name of this template to be used if another variable is the same template type
processed_templates[in_name] = fdes->getContainerClass() + "_" +
fdes->getName() + "_" + mangled_name ;
// Traverse the template declaration
CXXRecordVisitor template_spec_cvis(ci , cs, hsd , pa, true) ;
template_spec_cvis.get_class_data()->setMangledTypeName(processed_templates[in_name]) ;
template_spec_cvis.TraverseCXXRecordDecl(crd) ;
// Set the actual type name and file name. Print the attributes for this template type
template_spec_cvis.get_class_data()->setName(in_name) ;
template_spec_cvis.get_class_data()->setFileName(fdes->getFileName()) ;
pa.printClass(template_spec_cvis.get_class_data()) ;
if ( debug_level >= 4 ) {
std::cout << "Added template class from FieldVisitor ProcessTemplate " ;
std::cout << in_name << std::endl ;
std::cout << *fdes << std::endl ;
}
}
fdes->setMangledTypeName(processed_templates[in_name]) ;
fdes->setEnumString("TRICK_STRUCTURED") ;
fdes->setRecord(true) ;
// processing the template will process the type, return false to stop processing
return false ;
}
static std::map<std::string, bool> init_stl_classes() {
std::map<std::string, bool> my_map ;
my_map.insert(std::pair<std::string, bool>("std::array", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::deque", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::list", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::map", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::multiset", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::multimap", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::pair", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::priority_queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::set", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::stack", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::vector", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::array", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::deque", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::list", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::map", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::multiset", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::multimap", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::pair", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::priority_queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::set", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::stack", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__1::vector", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::array", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::deque", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::list", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::map", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::multiset", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::multimap", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::pair", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::priority_queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::queue", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::set", 1)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::stack", 0)) ;
my_map.insert(std::pair<std::string, bool>("std::__cxx11::vector", 1)) ;
return my_map ;
}
static bool checkForPrivateTemplateArgs( clang::ClassTemplateSpecializationDecl * ctsd ) {
for (const clang::TemplateArgument& ta : ctsd->getTemplateArgs().asArray()) {
if ( ta.getKind() == clang::TemplateArgument::Type ) {
clang::QualType qt = ta.getAsType() ;
//std::cout << qt.getAsString() << std::endl ;
if ( CXXRecordVisitor::isPrivateEmbeddedClass(qt.getAsString()) ) {
//std::cout << " is private embedded class" << std::endl ;
return true ;
} else {
//std::cout << " is public embedded class" << std::endl ;
const clang::Type * t = qt.getTypePtrOrNull() ;
if ( t != NULL ) {
if (t->getTypeClass() == clang::Type::Record ) {
clang::CXXRecordDecl * crd = t->getAsCXXRecordDecl() ;
if ( clang::isa<clang::ClassTemplateSpecializationDecl>(crd) ) {
return checkForPrivateTemplateArgs(clang::cast<clang::ClassTemplateSpecializationDecl>(crd)) ;
}
}
}
}
}
}
return false ;
}
static bool checkForConstTemplateArgs( clang::ClassTemplateSpecializationDecl * ctsd ) {
for (const clang::TemplateArgument& ta : ctsd->getTemplateArgs().asArray()) {
if ( ta.getKind() == clang::TemplateArgument::Type ) {
clang::QualType qt = ta.getAsType() ;
//std::cout << qt.getAsString() << std::endl ;
if ( qt.isConstQualified() ) {
//std::cout << " is const qualified" << std::endl ;
return true ;
} else {
//std::cout << " is public embedded class" << std::endl ;
const clang::Type * t = qt.getTypePtrOrNull() ;
if ( t != NULL ) {
if (t->getTypeClass() == clang::Type::Record ) {
clang::CXXRecordDecl * crd = t->getAsCXXRecordDecl() ;
if ( clang::isa<clang::ClassTemplateSpecializationDecl>(crd) ) {
return checkForConstTemplateArgs(clang::cast<clang::ClassTemplateSpecializationDecl>(crd)) ;
}
}
}
}
}
}
return false ;
}
static std::map<std::string, bool> stl_classes = init_stl_classes() ;
bool FieldVisitor::VisitRecordType(clang::RecordType *rt) {
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor VisitRecordType" << std::endl ;
std::cout << rt->getDecl()->getQualifiedNameAsString() << std::endl ;
rt->dump() ;
}
/* String types are typed as records but we treat them differently.
The attributes type is set to TRICK_STRING instead of TRICK_STRUCTURE.
The type is set to std::string. We can return false here to stop processing of this type. */
std::string type_name = rt->getDecl()->getQualifiedNameAsString() ;
if ( ! type_name.compare("std::basic_string") || !type_name.compare("std::__1::basic_string") ||
! type_name.compare("std::__cxx11::basic_string") ) {
fdes->setEnumString("TRICK_STRING") ;
fdes->setTypeName("std::string") ;
return false ;
}
// FILE * types resolve to these typenames. We need to ignore them
if (!type_name.compare("__sFILE") ||
!type_name.compare("_IO_FILE") ||
!type_name.compare("__gnu_cxx::__normal_iterator")) {
fdes->setIO(0) ;
return false ;
}
std::string tst_string = rt->desugar().getAsString() ;
// remove class keyword if it exists
size_t pos ;
while ((pos = tst_string.find("class ")) != std::string::npos ) {
tst_string.erase(pos , 6) ;
}
while ((pos = tst_string.find("struct ")) != std::string::npos ) {
tst_string.erase(pos , 7) ;
}
// clang changes bool to _Bool. We need to change it back
while ((pos = tst_string.find("<_Bool")) != std::string::npos ) {
tst_string.replace(pos , 6, "<bool") ;
}
while ((pos = tst_string.find(" _Bool")) != std::string::npos ) {
tst_string.replace(pos , 6, " bool") ;
}
// Test if we have some type from STL.
if (!tst_string.compare( 0 , 5 , "std::")) {
// If we have some type from std, figure out if it is one we support.
for ( std::map<std::string, bool>::iterator it = stl_classes.begin() ; it != stl_classes.end() ; it++ ) {
/* Mark STL types that are not strings and exit */
if (!tst_string.compare( 0 , (*it).first.size() , (*it).first)) {
clang::RecordDecl * rd = rt->getDecl()->getDefinition() ;
if ( rd != NULL and clang::ClassTemplateSpecializationDecl::classof(rd) ) {
clang::ClassTemplateSpecializationDecl * ctsd ;
ctsd = clang::cast<clang::ClassTemplateSpecializationDecl>(rd) ;
// If a private embedded class is in an STL the resulting io_src code will not compile.
// Search the template arguments for private embedded classes, if found remove io capabilites.
if ( checkForPrivateTemplateArgs( ctsd )) {
fdes->setIO(0) ;
}
// If the template is using a const type the STL checkpoint code will not compile,
// we need to ignore the variable.
if ( checkForConstTemplateArgs( ctsd )) {
fdes->setIO(0) ;
}
fdes->setEnumString("TRICK_STL") ;
fdes->setSTL(true) ;
fdes->setTypeName(tst_string) ;
fdes->setSTLClear((*it).second) ;
// set the type name to the non canonical name, the name the user put in the header file
// The typename is not used by STL variables, and it is nice to see the type that was
// actually inputted by the user
fdes->setMangledTypeName(fdes->getNonCanonicalTypeName()) ;
return false ;
}
}
}
// If the record type is in std:: but not one we can process, set the I/O spec to zero and return.
fdes->setIO(0) ;
return false ;
}
/* Template specialization types will be processed here because the canonical type
will be typed as a record. We test if we have a template specialization type.
If so process the template type and return */
clang::RecordDecl * rd = rt->getDecl()->getDefinition() ;
if ( rd != NULL ) {
if ( clang::ClassTemplateSpecializationDecl::classof(rd) ) {
if ( checkForPrivateTemplateArgs( clang::cast<clang::ClassTemplateSpecializationDecl>(rd)) ) {
fdes->setIO(0) ;
if ( debug_level >= 3 ) {
std::cout << " template using private/protected class as argument, not processing" << std::endl ;
}
return false ;
}
if ( debug_level >= 3 ) {
rd->dump() ;
std::cout << " tst_string = " << tst_string << std::endl ;
std::cout << " is_a_template_specialization" << std::endl ;
}
return ProcessTemplate(tst_string, clang::cast<clang::CXXRecordDecl>(rd)) ;
} else if (tst_string.find(">::") != std::string::npos) {
/* Hacky check to see if we are using an embedded class within a template definition.
template <class T> class A {
public: class B { T t ;} ;
};
class C {
public: A<int>::B ab ; // This is the pattern we are looking for.
} ;
There must be a better way to determine this condition
We need to make attributes for th A<int>::B class.
*/
return ProcessTemplate(tst_string, clang::cast<clang::CXXRecordDecl>(rd)) ;
}
}
/* Test to see if we have an embedded anonymous struct/union. e.g. SB is anonymous below.
struct SA {
struct {
double d ;
} SB ;
} ;
*/
//std::cout << "hasNameForLinkage " << rt->getDecl()->hasNameForLinkage() << std::endl ;
if ( rt->getDecl()->hasNameForLinkage() ) {
if ( rt->getDecl()->getDeclName() ) {
//std::cout << "getDeclName " << type_name << std::endl ;
fdes->setTypeName(type_name) ;
} else {
//std::cout << "getTypedefNameForAnonDecl " << rt->getDecl()->getTypedefNameForAnonDecl() << std::endl ;
fdes->setTypeName(rt->getDecl()->getTypedefNameForAnonDecl()->getQualifiedNameAsString()) ;
}
} else {
// io_src code not possible for anonymous struct/unions. Set the I/O to 0 to ignore it.
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor VisitRecordType found anonymous type, setIO = 0" << std::endl ;
}
fdes->setIO(0) ;
}
fdes->setEnumString("TRICK_STRUCTURED") ;
fdes->setRecord(true) ;
// We have our type, return false to stop processing this AST branch
return false;
}
bool FieldVisitor::VisitVarDecl( clang::VarDecl *v ) {
fdes->setStatic(v->isStaticDataMember()) ;
/* If we have a static const integer type with an initializer value, this variable will
not be instantiated by the compiler. The compiler substitutes in the value internally.
set the IO to 0 to stop attribute printing */
// Note: gcc allows an initializer for floating point types too.
if ( v->isStaticDataMember() and
v->getType().isConstQualified() and
v->hasInit() ) {
fdes->setIO(0) ;
return false ;
} else if ( v->isStaticDataMember() and
v->getType().isConstQualified() ) {
/* Static const members cannot be set through attributes code. Remove input
capabilities by taking current io specification & 1 */
fdes->setIO(fdes->getIO() & 1) ;
}
if ( debug_level >= 3 ) {
std::cout << "FieldVisitor VisitVarDecl " << fdes->getName() << std::endl ;
std::cout << " is static = " << fdes->isStatic() << std::endl ;
std::cout << " is const = " << v->getType().isConstQualified() << std::endl ;
std::cout << " has initializer value = " << v->hasInit() << std::endl ;
std::cout << " IO = " << fdes->getIO() << std::endl ;
//v->dump() ; std::cout << std::endl ;
}
clang::QualType qt = v->getType() ;
// If the current type is not canonical because of typedefs or template parameter substitution,
// traverse the canonical type
if ( !qt.isCanonical() ) {
fdes->setNonCanonicalTypeName(qt.getAsString()) ;
clang::QualType ct = qt.getCanonicalType() ;
std::string tst_string = ct.getAsString() ;
if ( debug_level >= 3 ) {
std::cout << "\033[33mFieldVisitor VisitVarDecl: Processing canonical type " << tst_string << "\033[00m" << std::endl ;
ct.dump() ;
}
TraverseType(ct) ;
// We have extracted the canonical type and everything else we need
// return false so we cut off processing of this AST branch
return false ;
}
return true ;
}
FieldDescription * FieldVisitor::get_field_data() {
return fdes ;
}
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