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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef GLSLENGINE_H
#define GLSLENGINE_H
#include "glsl.h"
#include "glslmemorypool.h"
#include "glsltypes.h"
#include <qstring.h>
#include <qset.h>
#include <functional>
#include <set>
namespace GLSL {
class GLSL_EXPORT DiagnosticMessage
{
public:
enum Kind {
Warning,
Error
};
DiagnosticMessage();
Kind kind() const;
void setKind(Kind kind);
bool isError() const;
bool isWarning() const;
QString fileName() const;
void setFileName(const QString &fileName);
int line() const;
void setLine(int line);
QString message() const;
void setMessage(const QString &message);
private:
QString _fileName;
QString _message;
Kind _kind;
int _line;
};
template <typename _Type>
class TypeTable
{
public:
struct Compare: std::binary_function<_Type, _Type, bool> {
bool operator()(const _Type &value, const _Type &other) const {
return value.isLessThan(&other);
}
};
const _Type *intern(const _Type &ty) { return &*_entries.insert(ty).first; }
private:
std::set<_Type, Compare> _entries;
};
class GLSL_EXPORT Engine
{
public:
Engine();
~Engine();
const QString *identifier(const QString &s);
const QString *identifier(const char *s, int n);
QSet<QString> identifiers() const;
const QString *number(const QString &s);
const QString *number(const char *s, int n);
QSet<QString> numbers() const;
// types
const UndefinedType *undefinedType();
const VoidType *voidType();
const BoolType *boolType();
const IntType *intType();
const UIntType *uintType();
const FloatType *floatType();
const DoubleType *doubleType();
const SamplerType *samplerType(int kind);
const VectorType *vectorType(const Type *elementType, int dimension);
const MatrixType *matrixType(const Type *elementType, int columns, int rows);
const ArrayType *arrayType(const Type *elementType);
// symbols
Namespace *newNamespace();
Struct *newStruct(Scope *scope = 0);
Block *newBlock(Scope *scope = 0);
Function *newFunction(Scope *scope = 0);
Argument *newArgument(Function *function, const QString &name, const Type *type);
Variable *newVariable(Scope *scope, const QString &name, const Type *type, int qualifiers = 0);
MemoryPool *pool();
bool blockDiagnosticMessages(bool block);
QList<DiagnosticMessage> diagnosticMessages() const;
void clearDiagnosticMessages();
void addDiagnosticMessage(const DiagnosticMessage &m);
void warning(int line, const QString &message);
void error(int line, const QString &message);
private:
QSet<QString> _identifiers;
QSet<QString> _numbers;
TypeTable<VectorType> _vectorTypes;
TypeTable<MatrixType> _matrixTypes;
TypeTable<ArrayType> _arrayTypes;
TypeTable<SamplerType> _samplerTypes;
MemoryPool _pool;
QList<DiagnosticMessage> _diagnosticMessages;
QList<Symbol *> _symbols;
bool _blockDiagnosticMessages;
};
} // namespace GLSL
#endif // GLSLENGINE_H
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