| 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/SemanticError.h"
|
|---|
| 22 | #include "ResolvExpr/Resolver.h"
|
|---|
| 23 | #include "SynTree/Attribute.h"
|
|---|
| 24 | #include "SynTree/Declaration.h"
|
|---|
| 25 | #include "SynTree/Type.h"
|
|---|
| 26 |
|
|---|
| 27 | namespace Validate {
|
|---|
| 28 | namespace {
|
|---|
| 29 | struct HandleAttributes : public WithIndexer {
|
|---|
| 30 | void previsit( ObjectDecl * decl );
|
|---|
| 31 | void previsit( FunctionDecl * decl );
|
|---|
| 32 | };
|
|---|
| 33 | } // namespace
|
|---|
| 34 |
|
|---|
| 35 | void handleAttributes( std::list< Declaration * > &translationUnit ) {
|
|---|
| 36 | PassVisitor<HandleAttributes> handler;
|
|---|
| 37 | acceptAll( translationUnit, handler );
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | namespace {
|
|---|
| 41 | void HandleAttributes::previsit( ObjectDecl * decl ) {
|
|---|
| 42 | for ( Attribute * attr : decl->attributes ) {
|
|---|
| 43 | std::string name = attr->normalizedName();
|
|---|
| 44 | if (name == "init_priority") {
|
|---|
| 45 | // TODO: implement C++-like init_priority attribute
|
|---|
| 46 | }
|
|---|
| 47 | }
|
|---|
| 48 | }
|
|---|
| 49 |
|
|---|
| 50 | void HandleAttributes::previsit( FunctionDecl * decl ) {
|
|---|
| 51 | for ( Attribute * attr : decl->attributes ) {
|
|---|
| 52 | std::string name = attr->normalizedName();
|
|---|
| 53 | if (name == "constructor" || name == "destructor") {
|
|---|
| 54 | if (attr->parameters.size() == 1) {
|
|---|
| 55 | Expression *& arg = attr->parameters.front();
|
|---|
| 56 | ResolvExpr::findSingleExpression( arg, new BasicType( Type::Qualifiers(), BasicType::LongLongSignedInt ), indexer );
|
|---|
| 57 | auto result = eval(arg);
|
|---|
| 58 | if (! result.second) {
|
|---|
| 59 | SemanticWarning(attr->location, Warning::GccAttributes,
|
|---|
| 60 | toCString( name, " priorities must be integers from 0 to 65535 inclusive: ", arg ) );
|
|---|
| 61 | return;
|
|---|
| 62 | }
|
|---|
| 63 | auto priority = result.first;
|
|---|
| 64 | if (priority < 101) {
|
|---|
| 65 | SemanticWarning(attr->location, Warning::GccAttributes,
|
|---|
| 66 | toCString( name, " priorities from 0 to 100 are reserved for the implementation" ) );
|
|---|
| 67 | } else if (priority < 201 && ! buildingLibrary()) {
|
|---|
| 68 | SemanticWarning(attr->location, Warning::GccAttributes,
|
|---|
| 69 | toCString( name, " priorities from 101 to 200 are reserved for the implementation" ) );
|
|---|
| 70 | }
|
|---|
| 71 | } else if (attr->parameters.size() > 1) {
|
|---|
| 72 | SemanticWarning(attr->location, Warning::GccAttributes, toCString( "too many arguments to ", name, " attribute" ) );
|
|---|
| 73 | } else {
|
|---|
| 74 | SemanticWarning(attr->location, Warning::GccAttributes, toCString( "too few arguments to ", name, " attribute" ) );
|
|---|
| 75 | }
|
|---|
| 76 | }
|
|---|
| 77 | }
|
|---|
| 78 | }
|
|---|
| 79 | } // namespace
|
|---|
| 80 | } // namespace Validate
|
|---|
| 81 |
|
|---|
| 82 | // Local Variables: //
|
|---|
| 83 | // tab-width: 4 //
|
|---|
| 84 | // mode: c++ //
|
|---|
| 85 | // compile-command: "make install" //
|
|---|
| 86 | // End: //
|
|---|
