| 1 | // |
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo |
|---|
| 3 | // |
|---|
| 4 | // The contents of this file are covered under the licence agreement in the |
|---|
| 5 | // file "LICENCE" distributed with Cforall. |
|---|
| 6 | // |
|---|
| 7 | // HandleAttributes.cc -- |
|---|
| 8 | // |
|---|
| 9 | // Author : Rob Schluntz |
|---|
| 10 | // Created On : Fri Jul 27 10:15:06 2018 |
|---|
| 11 | // Last Modified By : Rob Schluntz |
|---|
| 12 | // Last Modified On : Fri Jul 27 10:16:43 2018 |
|---|
| 13 | // Update Count : 2 |
|---|
| 14 | // |
|---|
| 15 | |
|---|
| 16 | #include "HandleAttributes.h" |
|---|
| 17 | |
|---|
| 18 | #include "CompilationState.h" |
|---|
| 19 | #include "Common/Eval.h" |
|---|
| 20 | #include "Common/PassVisitor.h" |
|---|
| 21 | #include "Common/ToString.hpp" |
|---|
| 22 | #include "Common/SemanticError.h" |
|---|
| 23 | #include "ResolvExpr/Resolver.h" |
|---|
| 24 | #include "SynTree/Attribute.h" |
|---|
| 25 | #include "SynTree/Declaration.h" |
|---|
| 26 | #include "SynTree/Type.h" |
|---|
| 27 | |
|---|
| 28 | namespace Validate { |
|---|
| 29 | namespace { |
|---|
| 30 | struct HandleAttributes : public WithIndexer { |
|---|
| 31 | void previsit( ObjectDecl * decl ); |
|---|
| 32 | void previsit( FunctionDecl * decl ); |
|---|
| 33 | }; |
|---|
| 34 | } // namespace |
|---|
| 35 | |
|---|
| 36 | void handleAttributes( std::list< Declaration * > &translationUnit ) { |
|---|
| 37 | PassVisitor<HandleAttributes> handler; |
|---|
| 38 | acceptAll( translationUnit, handler ); |
|---|
| 39 | } |
|---|
| 40 | |
|---|
| 41 | namespace { |
|---|
| 42 | void HandleAttributes::previsit( ObjectDecl * decl ) { |
|---|
| 43 | for ( Attribute * attr : decl->attributes ) { |
|---|
| 44 | std::string name = attr->normalizedName(); |
|---|
| 45 | if (name == "init_priority") { |
|---|
| 46 | // TODO: implement C++-like init_priority attribute |
|---|
| 47 | } |
|---|
| 48 | } |
|---|
| 49 | } |
|---|
| 50 | |
|---|
| 51 | void HandleAttributes::previsit( FunctionDecl * decl ) { |
|---|
| 52 | for ( Attribute * attr : decl->attributes ) { |
|---|
| 53 | std::string name = attr->normalizedName(); |
|---|
| 54 | if (name == "constructor" || name == "destructor") { |
|---|
| 55 | if (attr->parameters.size() == 1) { |
|---|
| 56 | Expression *& arg = attr->parameters.front(); |
|---|
| 57 | ResolvExpr::findSingleExpression( arg, new BasicType( Type::Qualifiers(), BasicType::LongLongSignedInt ), indexer ); |
|---|
| 58 | auto result = eval(arg); |
|---|
| 59 | if (! result.second) { |
|---|
| 60 | SemanticWarning(attr->location, Warning::GccAttributes, |
|---|
| 61 | toCString( name, " priorities must be integers from 0 to 65535 inclusive: ", arg ) ); |
|---|
| 62 | return; |
|---|
| 63 | } |
|---|
| 64 | auto priority = result.first; |
|---|
| 65 | if (priority < 101) { |
|---|
| 66 | SemanticWarning(attr->location, Warning::GccAttributes, |
|---|
| 67 | toCString( name, " priorities from 0 to 100 are reserved for the implementation" ) ); |
|---|
| 68 | } else if (priority < 201 && ! buildingLibrary()) { |
|---|
| 69 | SemanticWarning(attr->location, Warning::GccAttributes, |
|---|
| 70 | toCString( name, " priorities from 101 to 200 are reserved for the implementation" ) ); |
|---|
| 71 | } |
|---|
| 72 | } else if (attr->parameters.size() > 1) { |
|---|
| 73 | SemanticWarning(attr->location, Warning::GccAttributes, toCString( "too many arguments to ", name, " attribute" ) ); |
|---|
| 74 | } else { |
|---|
| 75 | SemanticWarning(attr->location, Warning::GccAttributes, toCString( "too few arguments to ", name, " attribute" ) ); |
|---|
| 76 | } |
|---|
| 77 | } |
|---|
| 78 | } |
|---|
| 79 | } |
|---|
| 80 | } // namespace |
|---|
| 81 | } // namespace Validate |
|---|
| 82 | |
|---|
| 83 | // Local Variables: // |
|---|
| 84 | // tab-width: 4 // |
|---|
| 85 | // mode: c++ // |
|---|
| 86 | // compile-command: "make install" // |
|---|
| 87 | // End: // |
|---|
