1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "Define.h"
18 
19 #include "AST.h"
20 
21 extern android::status_t parseExpression(android::AST *ast, std::string str);
22 
23 namespace android {
24 
Define(const std::string & name,const std::string & slurp)25 Define::Define(const std::string &name, const std::string &slurp)
26     : Declaration(name), mSlurp(slurp)
27     {}
28 
~Define()29 Define::~Define() {
30     delete mExpression;
31 }
32 
getExpressionType() const33 Expression::Type Define::getExpressionType() const {
34     return mExpressionType;
35 }
getExpression() const36 Expression *Define::getExpression() const {
37     return mExpression;
38 }
setExpression(Expression * expression)39 void Define::setExpression(Expression* expression) {
40     mExpression = expression;
41 }
42 
generateSource(Formatter & out) const43 void Define::generateSource(Formatter &out) const {
44     out << "/* #define " << getName() << " " << mSlurp << " */\n";
45 }
46 
processContents(AST & ast)47 void Define::processContents(AST &ast) {
48     status_t res = parseExpression(&ast, mSlurp);
49 
50     if (res != 0) {
51         mExpressionType = Expression::Type::UNKNOWN;
52         return;
53     }
54 
55     mExpression = ast.getExpression();
56     ast.setExpression(nullptr);
57 
58     mExpressionType = mExpression->getType(ast);
59 
60     ast.getDefinesScope().enter(getName(), this);
61 }
62 
63 } //namespace android
64