libAthena
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athena
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more stable atdna type canonicalization; recursive DNA subclassing

This commit is contained in:
Jack Andersen 2015-06-22 12:52:09 -10:00
parent 490c6d53f5
commit 071d91a671
5 changed files with 193 additions and 99 deletions
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2
PKGBUILD
View File

@ -1,7 +1,7 @@
# PKGBUILD for libAthena
_pkgname=libathena
pkgname=$_pkgname-git
pkgver=1.1.0.40.g687a7ee
pkgver=1.1.0.43.g490c6d5
pkgrel=1
pkgdesc="Basic cross platform IO library"
arch=('i686' 'x86_64')

2
atdna/PKGBUILD
View File

@ -1,7 +1,7 @@
# PKGBUILD for atdna
_pkgname=atdna
pkgname=$_pkgname-git
pkgver=1.1.0.37.g3dfb001
pkgver=1.1.0.43.g490c6d5
pkgrel=1
pkgdesc="Companion DNA utility for libAthena"
arch=('i686' 'x86_64')

232
atdna/main.cpp
View File

@ -44,11 +44,50 @@ class ATDNAEmitVisitor : public clang::RecursiveASTVisitor<ATDNAEmitVisitor>
clang::ASTContext& context;
llvm::raw_fd_ostream& fileOut;
bool isDNARecord(const clang::CXXRecordDecl* record, std::string& baseDNA)
{
for (const clang::CXXBaseSpecifier& base : record->bases())
{
const clang::QualType qtp = base.getType().getCanonicalType();
if (!qtp.getAsString().compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
return true;
}
for (const clang::CXXBaseSpecifier& base : record->bases())
{
clang::QualType qtp = base.getType().getCanonicalType();
const clang::Type* tp = qtp.getTypePtrOrNull();
if (tp)
{
const clang::CXXRecordDecl* rDecl = tp->getAsCXXRecordDecl();
if (rDecl)
{
if (isDNARecord(rDecl, baseDNA))
{
bool hasRead = false;
bool hasWrite = false;
for (const clang::CXXMethodDecl* method : rDecl->methods())
{
std::string compName = method->getNameAsString();
if (!compName.compare("read"))
hasRead = true;
else if (!compName.compare("write"))
hasWrite = true;
}
if (hasRead && hasWrite)
baseDNA = rDecl->getNameAsString();
return true;
}
}
}
}
return false;
}
std::string GetOpString(const clang::Type* theType, unsigned width,
const std::string& fieldName, bool writerPass,
bool& isDNAType)
bool& isDNATypeOut)
{
isDNAType = false;
isDNATypeOut = false;
if (writerPass)
{
if (theType->isBuiltinType())
@ -56,36 +95,36 @@ class ATDNAEmitVisitor : public clang::RecursiveASTVisitor<ATDNAEmitVisitor>
const clang::BuiltinType* bType = (clang::BuiltinType*)theType;
if (bType->isBooleanType())
{
return "writer.writeBool(" + fieldName + ");";
return "__dna_writer.writeBool(" + fieldName + ");";
}
else if (bType->isUnsignedInteger())
{
if (width == 8)
return "writer.writeUByte(" + fieldName + ");";
return "__dna_writer.writeUByte(" + fieldName + ");";
else if (width == 16)
return "writer.writeUint16(" + fieldName + ");";
return "__dna_writer.writeUint16(" + fieldName + ");";
else if (width == 32)
return "writer.writeUint32(" + fieldName + ");";
return "__dna_writer.writeUint32(" + fieldName + ");";
else if (width == 64)
return "writer.writeUint64(" + fieldName + ");";
return "__dna_writer.writeUint64(" + fieldName + ");";
}
else if (bType->isSignedInteger())
{
if (width == 8)
return "writer.writeByte(" + fieldName + ");";
return "__dna_writer.writeByte(" + fieldName + ");";
else if (width == 16)
return "writer.writeInt16(" + fieldName + ");";
return "__dna_writer.writeInt16(" + fieldName + ");";
else if (width == 32)
return "writer.writeInt32(" + fieldName + ");";
return "__dna_writer.writeInt32(" + fieldName + ");";
else if (width == 64)
return "writer.writeInt64(" + fieldName + ");";
return "__dna_writer.writeInt64(" + fieldName + ");";
}
else if (bType->isFloatingPoint())
{
if (width == 32)
return "writer.writeFloat(" + fieldName + ");";
return "__dna_writer.writeFloat(" + fieldName + ");";
else if (width == 64)
return "writer.writeDouble(" + fieldName + ");";
return "__dna_writer.writeDouble(" + fieldName + ");";
}
}
else if (theType->isRecordType())
@ -103,17 +142,17 @@ class ATDNAEmitVisitor : public clang::RecursiveASTVisitor<ATDNAEmitVisitor>
context.getTypeInfo(eType).Width != 32)
continue;
if (vType->getNumElements() == 3)
return "writer.writeVec3f(" + fieldName + ");";
return "__dna_writer.writeVec3f(" + fieldName + ");";
else if (vType->getNumElements() == 4)
return "writer.writeVec4f(" + fieldName + ");";
return "__dna_writer.writeVec4f(" + fieldName + ");";
}
}
}
for (const clang::CXXBaseSpecifier& base : rDecl->bases())
if (!base.getType().getCanonicalType().getAsString().compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
std::string baseDNA;
if (isDNARecord(rDecl, baseDNA))
{
isDNAType = true;
return "write(writer);";
isDNATypeOut = true;
return "write(__dna_writer);";
}
}
}
@ -124,36 +163,36 @@ class ATDNAEmitVisitor : public clang::RecursiveASTVisitor<ATDNAEmitVisitor>
const clang::BuiltinType* bType = (clang::BuiltinType*)theType;
if (bType->isBooleanType())
{
return "reader.readBool()";
return "__dna_reader.readBool()";
}
else if (bType->isUnsignedInteger())
{
if (width == 8)
return "reader.readUByte()";
return "__dna_reader.readUByte()";
else if (width == 16)
return "reader.readUint16()";
return "__dna_reader.readUint16()";
else if (width == 32)
return "reader.readUint32()";
return "__dna_reader.readUint32()";
else if (width == 64)
return "reader.readUint64()";
return "__dna_reader.readUint64()";
}
else if (bType->isSignedInteger())
{
if (width == 8)
return "reader.readByte()";
return "__dna_reader.readByte()";
else if (width == 16)
return "reader.readInt16()";
return "__dna_reader.readInt16()";
else if (width == 32)
return "reader.readInt32()";
return "__dna_reader.readInt32()";
else if (width == 64)
return "reader.readInt64()";
return "__dna_reader.readInt64()";
}
else if (bType->isFloatingPoint())
{
if (width == 32)
return "reader.readFloat()";
return "__dna_reader.readFloat()";
else if (width == 64)
return "reader.readDouble()";
return "__dna_reader.readDouble()";
}
}
else if (theType->isRecordType())
@ -171,17 +210,17 @@ class ATDNAEmitVisitor : public clang::RecursiveASTVisitor<ATDNAEmitVisitor>
context.getTypeInfo(eType).Width != 32)
continue;
if (vType->getNumElements() == 3)
return "reader.readVec3f()";
return "__dna_reader.readVec3f()";
else if (vType->getNumElements() == 4)
return "reader.readVec4f()";
return "__dna_reader.readVec4f()";
}
}
}
for (const clang::CXXBaseSpecifier& base : rDecl->bases())
if (!base.getType().getCanonicalType().getAsString().compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
std::string baseDNA;
if (isDNARecord(rDecl, baseDNA))
{
isDNAType = true;
return "read(reader);";
isDNATypeOut = true;
return "read(__dna_reader);";
}
}
}
@ -202,28 +241,59 @@ public:
return true;
/* First ensure this inherits from struct Athena::io::DNA */
bool foundDNA = false;
for (const clang::CXXBaseSpecifier& base : decl->bases())
{
clang::QualType canonType = base.getType().getCanonicalType();
if (!canonType.getAsString().compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
{
foundDNA = true;
break;
}
}
if (!foundDNA)
std::string baseDNA;
if (!isDNARecord(decl, baseDNA))
return true;
/* Make sure there aren't namespace conflicts or Delete meta type */
for (const clang::FieldDecl* field : decl->fields())
{
if (!field->getNameAsString().compare("__dna_reader") ||
!field->getNameAsString().compare("__dna_writer"))
{
clang::DiagnosticBuilder diag = context.getDiagnostics().Report(field->getLocStart(), AthenaError);
diag.AddString("Field may not be named '__dna_reader' or '__dna_writer'");
diag.AddSourceRange(clang::CharSourceRange(field->getSourceRange(), true));
return true;
}
clang::QualType qualType = field->getType().getCanonicalType();
const clang::Type* regType = qualType.getTypePtrOrNull();
if (regType)
{
const clang::CXXRecordDecl* rDecl = regType->getAsCXXRecordDecl();
if (rDecl)
{
if (!rDecl->getNameAsString().compare("Delete"))
{
const clang::CXXRecordDecl* rParentDecl = llvm::dyn_cast_or_null<clang::CXXRecordDecl>(rDecl->getParent());
if (rParentDecl)
{
std::string parentCheck = rParentDecl->getTypeForDecl()->getCanonicalTypeInternal().getAsString();
if (!parentCheck.compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
return true;
}
}
}
}
}
/* Two passes - read then write */
for (int p=0 ; p<2 ; ++p)
{
if (p)
fileOut << "void " << decl->getQualifiedNameAsString() << "::write(Athena::io::IStreamWriter& writer) const\n{\n";
fileOut << "void " << decl->getQualifiedNameAsString() << "::write(Athena::io::IStreamWriter& __dna_writer) const\n{\n";
else
fileOut << "void " << decl->getQualifiedNameAsString() << "::read(Athena::io::IStreamReader& reader)\n{\n";
fileOut << "void " << decl->getQualifiedNameAsString() << "::read(Athena::io::IStreamReader& __dna_reader)\n{\n";
int currentEndian = -1;
if (baseDNA.size())
{
if (p)
fileOut << " " << baseDNA << "::write(__dna_writer);\n";
else
fileOut << " " << baseDNA << "::read(__dna_reader);\n";
}
for (const clang::FieldDecl* field : decl->fields())
{
clang::QualType qualType = field->getType();
@ -355,9 +425,9 @@ public:
if (currentEndian != endianVal)
{
if (endianVal == 0)
fileOut << (p ? " writer.setEndian(Athena::LittleEndian);\n" : " reader.setEndian(Athena::LittleEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::LittleEndian);\n" : " __dna_reader.setEndian(Athena::LittleEndian);\n");
else if (endianVal == 1)
fileOut << (p ? " writer.setEndian(Athena::BigEndian);\n" : " reader.setEndian(Athena::BigEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::BigEndian);\n" : " __dna_reader.setEndian(Athena::BigEndian);\n");
currentEndian = endianVal;
}
@ -494,9 +564,9 @@ public:
if (currentEndian != endianVal)
{
if (endianVal == 0)
fileOut << (p ? " writer.setEndian(Athena::LittleEndian);\n" : " reader.setEndian(Athena::LittleEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::LittleEndian);\n" : " __dna_reader.setEndian(Athena::LittleEndian);\n");
else if (endianVal == 1)
fileOut << (p ? " writer.setEndian(Athena::BigEndian);\n" : " reader.setEndian(Athena::BigEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::BigEndian);\n" : " __dna_reader.setEndian(Athena::BigEndian);\n");
currentEndian = endianVal;
}
@ -570,11 +640,11 @@ public:
if (!p)
{
fileOut << " " << fieldName << ".reset(new atUint8[" << sizeExprStr << "]);\n";
fileOut << " reader.readUBytesToBuf(" << fieldName << ".get(), " << sizeExprStr << ");\n";
fileOut << " __dna_reader.readUBytesToBuf(" << fieldName << ".get(), " << sizeExprStr << ");\n";
}
else
{
fileOut << " writer.writeUBytes(" << fieldName << ".get(), " << sizeExprStr << ");\n";
fileOut << " __dna_writer.writeUBytes(" << fieldName << ".get(), " << sizeExprStr << ");\n";
}
}
else if (!tsDecl->getNameAsString().compare("String"))
@ -607,10 +677,10 @@ public:
fileOut << " /* " << fieldName << " */\n";
if (!p)
fileOut << " " << fieldName << " = reader.readString(" << sizeExprStr << ");\n";
fileOut << " " << fieldName << " = __dna_reader.readString(" << sizeExprStr << ");\n";
else
{
fileOut << " writer.writeString(" << fieldName;
fileOut << " __dna_writer.writeString(" << fieldName;
if (sizeExprStr.size())
fileOut << ", " << sizeExprStr;
fileOut << ");\n";
@ -714,18 +784,18 @@ public:
if (currentEndian != endianVal)
{
if (endianVal == 0)
fileOut << (p ? " writer.setEndian(Athena::LittleEndian);\n" : " reader.setEndian(Athena::LittleEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::LittleEndian);\n" : " __dna_reader.setEndian(Athena::LittleEndian);\n");
else if (endianVal == 1)
fileOut << (p ? " writer.setEndian(Athena::BigEndian);\n" : " reader.setEndian(Athena::BigEndian);\n");
fileOut << (p ? " __dna_writer.setEndian(Athena::BigEndian);\n" : " __dna_reader.setEndian(Athena::BigEndian);\n");
currentEndian = endianVal;
}
fileOut << " /* " << fieldName << " */\n";
if (!p)
fileOut << " " << fieldName << " = reader.readWString(" << sizeExprStr << ");\n";
fileOut << " " << fieldName << " = __dna_reader.readWString(" << sizeExprStr << ");\n";
else
{
fileOut << " writer.writeWString(" << fieldName;
fileOut << " __dna_writer.writeWString(" << fieldName;
if (sizeExprStr.size())
fileOut << ", " << sizeExprStr;
fileOut << ");\n";
@ -761,10 +831,10 @@ public:
fileOut << " /* " << fieldName << " */\n";
if (!p)
fileOut << " " << fieldName << " = reader.readUnicode(" << sizeExprStr << ");\n";
fileOut << " " << fieldName << " = __dna_reader.readUnicode(" << sizeExprStr << ");\n";
else
{
fileOut << " writer.writeUnicode(" << fieldName;
fileOut << " __dna_writer.writeUnicode(" << fieldName;
if (sizeExprStr.size())
fileOut << ", " << sizeExprStr;
fileOut << ");\n";
@ -849,23 +919,23 @@ public:
if (directionVal == 0)
{
if (!p)
fileOut << " reader.seek(" << offsetExprStr << ", Athena::Begin);\n";
fileOut << " __dna_reader.seek(" << offsetExprStr << ", Athena::Begin);\n";
else
fileOut << " writer.seek(" << offsetExprStr << ", Athena::Begin);\n";
fileOut << " __dna_writer.seek(" << offsetExprStr << ", Athena::Begin);\n";
}
else if (directionVal == 1)
{
if (!p)
fileOut << " reader.seek(" << offsetExprStr << ", Athena::Current);\n";
fileOut << " __dna_reader.seek(" << offsetExprStr << ", Athena::Current);\n";
else
fileOut << " writer.seek(" << offsetExprStr << ", Athena::Current);\n";
fileOut << " __dna_writer.seek(" << offsetExprStr << ", Athena::Current);\n";
}
else if (directionVal == 2)
{
if (!p)
fileOut << " reader.seek(" << offsetExprStr << ", Athena::End);\n";
fileOut << " __dna_reader.seek(" << offsetExprStr << ", Athena::End);\n";
else
fileOut << " writer.seek(" << offsetExprStr << ", Athena::End);\n";
fileOut << " __dna_writer.seek(" << offsetExprStr << ", Athena::End);\n";
}
}
@ -901,23 +971,23 @@ public:
if (alignVal == 32)
{
if (!p)
fileOut << " reader.seekAlign32();\n";
fileOut << " __dna_reader.seekAlign32();\n";
else
fileOut << " writer.seekAlign32();\n";
fileOut << " __dna_writer.seekAlign32();\n";
}
else if (align.isPowerOf2())
{
if (!p)
fileOut << " reader.seek((reader.position() + " << alignVal-1 << ") & ~" << alignVal-1 << ", Athena::Begin);\n";
fileOut << " __dna_reader.seek((__dna_reader.position() + " << alignVal-1 << ") & ~" << alignVal-1 << ", Athena::Begin);\n";
else
fileOut << " writer.seek((writer.position() + " << alignVal-1 << ") & ~" << alignVal-1 << ", Athena::Begin);\n";
fileOut << " __dna_writer.seek((__dna_writer.position() + " << alignVal-1 << ") & ~" << alignVal-1 << ", Athena::Begin);\n";
}
else
{
if (!p)
fileOut << " reader.seek((reader.position() + " << alignVal-1 << ") / " << alignVal << " * " << alignVal << ", Athena::Begin);\n";
fileOut << " __dna_reader.seek((__dna_reader.position() + " << alignVal-1 << ") / " << alignVal << " * " << alignVal << ", Athena::Begin);\n";
else
fileOut << " writer.seek((writer.position() + " << alignVal-1 << ") / " << alignVal << " * " << alignVal << ", Athena::Begin);\n";
fileOut << " __dna_writer.seek((__dna_writer.position() + " << alignVal-1 << ") / " << alignVal << " * " << alignVal << ", Athena::Begin);\n";
}
}
}
@ -927,21 +997,15 @@ public:
else if (regType->getTypeClass() == clang::Type::Record)
{
const clang::CXXRecordDecl* cxxRDecl = regType->getAsCXXRecordDecl();
if (cxxRDecl)
{
for (const clang::CXXBaseSpecifier& base : cxxRDecl->bases())
{
clang::QualType canonType = base.getType().getCanonicalType();
if (!canonType.getAsString().compare(0, sizeof(ATHENA_DNA_BASETYPE)-1, ATHENA_DNA_BASETYPE))
std::string baseDNA;
if (cxxRDecl && isDNARecord(cxxRDecl, baseDNA))
{
fileOut << " /* " << fieldName << " */\n";
fileOut << " " << fieldName << (p ? ".write(writer);\n" : ".read(reader);\n");
fileOut << " " << fieldName << (p ? ".write(__dna_writer);\n" : ".read(__dna_reader);\n");
currentEndian = -1;
break;
}
}
}
}
}

36
atdna/test.hpp
View File

@ -1,15 +1,30 @@
#include <Athena/DNA.hpp>
using namespace Athena;
typedef io::DNA<BigEndian> BigDNA;
struct ANCSSubFile : public io::DNA<BigEndian>
struct TESTSubFile : public BigDNA
{
DECL_DNA
Value<atUint32> sub1;
Value<atUint32> sub2;
};
struct ANCSFile : public io::DNA<BigEndian>
struct TESTSubClassFile : public TESTSubFile
{
DECL_DNA
Value<atUint32> sub3;
Value<atUint32> sub4;
};
struct TESTSubSubClassFile : public TESTSubClassFile
{
DECL_DNA
Value<atUint32> sub5;
Value<atUint32> sub6;
};
struct TESTFile : public BigDNA
{
DECL_DNA
Value<bool> varBool;
@ -18,27 +33,34 @@ struct ANCSFile : public io::DNA<BigEndian>
Value<atVec3f> vec3;
Value<atVec4f> vec4;
struct ANCSNestedSubFile : public io::DNA<BigEndian>
struct TESTNestedSubFile : public BigDNA
{
DECL_DNA
Value<atUint32> nestSub1;
Value<atUint32> nestSub2;
} nestedSubFile;
ANCSSubFile subFile;
TESTSubFile subFile;
Align<4> align;
struct TESTExplicitSubFile : public BigDNA
{
DECL_EXPLICIT_DNA
Value<atUint32> explSub1;
Value<atUint32> explSub2;
} explSubFile;
Value<atUint32> arrCount[2];
Vector<atUint32, sizeof(arrCount[0])> array;
Vector<atUint32, DNA_COUNT(arrCount[0])> array;
Seek<21, Current> seek;
Value<atUint32> arrCount2;
Vector<ANCSSubFile, sizeof(arrCount[1] + arrCount2)> array2;
Vector<TESTSubFile, DNA_COUNT(arrCount[1] + arrCount2)> array2;
Value<atUint32> bufSz;
Buffer<sizeof(bufSz)> buf;
Buffer<DNA_COUNT(bufSz)> buf;
String<32> str;
WString<64> wstr;

8
include/Athena/DNA.hpp
View File

@ -53,6 +53,8 @@ struct DNA
template <size_t align>
struct Align {};
struct Delete {};
virtual void read(IStreamReader&)=0;
virtual void write(IStreamWriter&) const=0;
};
@ -62,6 +64,12 @@ struct DNA
void read(Athena::io::IStreamReader&); \
void write(Athena::io::IStreamWriter&) const; \
/** Macro to automatically declare read/write methods and prevent outputting implementation */
#define DECL_EXPLICIT_DNA \
void read(Athena::io::IStreamReader&); \
void write(Athena::io::IStreamWriter&) const; \
Delete __dna_delete;
/** Macro to supply count variable to atdna and mute it for other compilers */
#ifdef __clang__
#define DNA_COUNT(cnt) sizeof(cnt)