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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++ #ifndef QSSG_GLSLSEMANTIC_H
++ #define QSSG_GLSLSEMANTIC_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtQuick3DGlslParser/private/glslastvisitor_p.h>
++ #include <QtQuick3DGlslParser/private/glsltype_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace GLSL {
++
++ class Q_QUICK3DGLSLPARSER_EXPORT Semantic: protected Visitor
++ {
++ public:
++ Semantic();
++ ~Semantic() override;
++
++ struct ExprResult {
++ ExprResult(const Type *type_ = nullptr, bool isConstant_ = false)
++ : type(type_), isConstant(isConstant_) {}
++
++ ~ExprResult() { }
++
++ bool isValid() const {
++ if (! type)
++ return false;
++ else if (type->asUndefinedType() != nullptr)
++ return false;
++ return true;
++ }
++
++ explicit operator bool() const { return isValid(); }
++
++ const Type *type;
++ bool isConstant;
++ };
++
++ void translationUnit(TranslationUnitAST *ast, Scope *globalScope, Engine *engine);
++ ExprResult expression(ExpressionAST *ast, Scope *scope, Engine *engine);
++
++ protected:
++ Engine *switchEngine(Engine *engine);
++ Scope *switchScope(Scope *scope);
++
++ bool implicitCast(const Type *type, const Type *target) const;
++
++ ExprResult expression(ExpressionAST *ast);
++ void statement(StatementAST *ast);
++ const Type *type(TypeAST *ast);
++ void declaration(DeclarationAST *ast);
++ ExprResult functionIdentifier(FunctionIdentifierAST *ast);
++ Symbol *field(StructTypeAST::Field *ast);
++ void parameterDeclaration(ParameterDeclarationAST *ast, Function *fun);
++
++ bool visit(TranslationUnitAST *ast) override;
++ bool visit(FunctionIdentifierAST *ast) override;
++ bool visit(StructTypeAST::Field *ast) override;
++
++ // expressions
++ bool visit(IdentifierExpressionAST *ast) override;
++ bool visit(LiteralExpressionAST *ast) override;
++ bool visit(BinaryExpressionAST *ast) override;
++ bool visit(UnaryExpressionAST *ast) override;
++ bool visit(TernaryExpressionAST *ast) override;
++ bool visit(AssignmentExpressionAST *ast) override;
++ bool visit(MemberAccessExpressionAST *ast) override;
++ bool visit(FunctionCallExpressionAST *ast) override;
++ bool visit(DeclarationExpressionAST *ast) override;
++
++ // statements
++ bool visit(ExpressionStatementAST *ast) override;
++ bool visit(CompoundStatementAST *ast) override;
++ bool visit(IfStatementAST *ast) override;
++ bool visit(WhileStatementAST *ast) override;
++ bool visit(DoStatementAST *ast) override;
++ bool visit(ForStatementAST *ast) override;
++ bool visit(JumpStatementAST *ast) override;
++ bool visit(ReturnStatementAST *ast) override;
++ bool visit(SwitchStatementAST *ast) override;
++ bool visit(CaseLabelStatementAST *ast) override;
++ bool visit(DeclarationStatementAST *ast) override;
++
++ // types
++ bool visit(BasicTypeAST *ast) override;
++ bool visit(NamedTypeAST *ast) override;
++ bool visit(ArrayTypeAST *ast) override;
++ bool visit(StructTypeAST *ast) override;
++ bool visit(QualifiedTypeAST *ast) override;
++ bool visit(LayoutQualifierAST *ast) override { return Visitor::visit(ast); }
++
++ // declarations
++ bool visit(PrecisionDeclarationAST *ast) override;
++ bool visit(ParameterDeclarationAST *ast) override;
++ bool visit(VariableDeclarationAST *ast) override;
++ bool visit(TypeDeclarationAST *ast) override;
++ bool visit(TypeAndVariableDeclarationAST *ast) override;
++ bool visit(InvariantDeclarationAST *ast) override;
++ bool visit(InitDeclarationAST *ast) override;
++ bool visit(FunctionDeclarationAST *ast) override;
++
++ private:
++ Engine *_engine;
++ Scope *_scope;
++ const Type *_type;
++ ExprResult _expr;
++ };
++
++ } // namespace GLSL
++
++ QT_END_NAMESPACE
++
++ #endif // QSSG_GLSLSEMANTIC_H