1 // Copyright 2020 The Tint Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SRC_AST_INT_LITERAL_EXPRESSION_H_ 16 #define SRC_AST_INT_LITERAL_EXPRESSION_H_ 17 18 #include "src/ast/literal_expression.h" 19 20 namespace tint { 21 namespace ast { 22 23 /// An integer literal. This could be either signed or unsigned. 24 class IntLiteralExpression 25 : public Castable<IntLiteralExpression, LiteralExpression> { 26 public: 27 ~IntLiteralExpression() override; 28 29 /// @returns the literal value as a u32 30 virtual uint32_t ValueAsU32() const = 0; 31 32 /// @returns the literal value as an i32 ValueAsI32()33 int32_t ValueAsI32() const { return static_cast<int32_t>(ValueAsU32()); } 34 35 protected: 36 /// Constructor 37 /// @param pid the identifier of the program that owns this node 38 /// @param src the source of this node 39 IntLiteralExpression(ProgramID pid, const Source& src); 40 }; // namespace ast 41 42 } // namespace ast 43 } // namespace tint 44 45 #endif // SRC_AST_INT_LITERAL_EXPRESSION_H_ 46