[51b7345] | 1 | #include <cassert> |
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| 2 | #include <cctype> |
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| 3 | #include <algorithm> |
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| 4 | |
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| 5 | #include "ParseNode.h" |
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| 6 | #include "SynTree/Type.h" |
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| 7 | #include "SynTree/Constant.h" |
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| 8 | #include "SynTree/Expression.h" |
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| 9 | #include "SynTree/Declaration.h" |
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| 10 | #include "UnimplementedError.h" |
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| 11 | #include "parseutility.h" |
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| 12 | #include "utility.h" |
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| 13 | |
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| 14 | using namespace std; |
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| 15 | |
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[3848e0e] | 16 | ExpressionNode::ExpressionNode() : ParseNode(), argName( 0 ) {} |
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[51b7345] | 17 | |
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[bdd516a] | 18 | ExpressionNode::ExpressionNode( string *name_) : ParseNode( *name_ ), argName( 0 ) { |
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[3848e0e] | 19 | delete name_; |
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[51b7345] | 20 | } |
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| 21 | |
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[3848e0e] | 22 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ) { |
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| 23 | if ( other.argName ) { |
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| 24 | argName = other.argName->clone(); |
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| 25 | } else { |
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| 26 | argName = 0; |
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[bdd516a] | 27 | } // if |
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[51b7345] | 28 | } |
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| 29 | |
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| 30 | ExpressionNode * ExpressionNode::set_asArgName( std::string *aName ) { |
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[bdd516a] | 31 | argName = new VarRefNode( aName ); |
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[3848e0e] | 32 | return this; |
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[51b7345] | 33 | } |
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| 34 | |
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| 35 | ExpressionNode * ExpressionNode::set_asArgName( ExpressionNode *aDesignator ) { |
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[3848e0e] | 36 | argName = aDesignator; |
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| 37 | return this; |
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[51b7345] | 38 | } |
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| 39 | |
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| 40 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const { |
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[3848e0e] | 41 | if ( argName ) { |
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[bdd516a] | 42 | os << string(' ', indent ) << "(designated by: "; |
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| 43 | argName->printOneLine( os, indent ); |
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[3848e0e] | 44 | os << ")" << std::endl; |
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[bdd516a] | 45 | } // if |
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[51b7345] | 46 | } |
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| 47 | |
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[3848e0e] | 48 | NullExprNode::NullExprNode() {} |
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[51b7345] | 49 | |
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[3848e0e] | 50 | NullExprNode *NullExprNode::clone() const { |
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| 51 | return new NullExprNode(); |
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[51b7345] | 52 | } |
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| 53 | |
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[bdd516a] | 54 | void NullExprNode::print( std::ostream & os, int indent ) const { |
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| 55 | printDesignation( os ); |
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[3848e0e] | 56 | os << "null expression"; |
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[51b7345] | 57 | } |
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| 58 | |
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[bdd516a] | 59 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const { |
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| 60 | printDesignation( os ); |
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[3848e0e] | 61 | os << "null"; |
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[51b7345] | 62 | } |
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| 63 | |
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[3848e0e] | 64 | Expression *NullExprNode::build() const { |
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| 65 | return 0; |
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[51b7345] | 66 | } |
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| 67 | |
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[bdd516a] | 68 | CommaExprNode *ExpressionNode::add_to_list( ExpressionNode *exp ){ |
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| 69 | return new CommaExprNode( this, exp ); |
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[51b7345] | 70 | } |
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| 71 | |
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| 72 | // enum ConstantNode::Type = { Integer, Float, Character, String, Range } |
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| 73 | |
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[bdd516a] | 74 | ConstantNode::ConstantNode( void ) : ExpressionNode(), sign( true ), longs(0), size(0) {} |
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[51b7345] | 75 | |
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[bdd516a] | 76 | ConstantNode::ConstantNode( string *name_) : ExpressionNode( name_), sign( true ), longs(0), size(0) {} |
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[51b7345] | 77 | |
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[bdd516a] | 78 | ConstantNode::ConstantNode( Type t, string *inVal ) : type( t ), sign( true ), longs(0), size(0) { |
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[3848e0e] | 79 | if ( inVal ) { |
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| 80 | value = *inVal; |
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| 81 | delete inVal; |
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| 82 | } else { |
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| 83 | value = ""; |
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[bdd516a] | 84 | } // if |
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[51b7345] | 85 | |
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[bdd516a] | 86 | classify( value ); |
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[51b7345] | 87 | } |
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| 88 | |
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| 89 | ConstantNode::ConstantNode( const ConstantNode &other ) |
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[3848e0e] | 90 | : ExpressionNode( other ), type( other.type ), value( other.value ), sign( other.sign ), base( other.base ), longs( other.longs ), size( other.size ) { |
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[51b7345] | 91 | } |
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| 92 | |
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| 93 | // for some reason, std::tolower doesn't work as an argument to std::transform in g++ 3.1 |
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[3848e0e] | 94 | inline char tolower_hack( char c ) { |
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| 95 | return std::tolower( c ); |
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[51b7345] | 96 | } |
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| 97 | |
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[bdd516a] | 98 | void ConstantNode::classify( std::string &str ){ |
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| 99 | switch ( type ){ |
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[3848e0e] | 100 | case Integer: |
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| 101 | case Float: |
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| 102 | { |
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| 103 | std::string sfx(""); |
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| 104 | char c; |
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| 105 | int i = str.length() - 1; |
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[51b7345] | 106 | |
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[bdd516a] | 107 | while ( i >= 0 && !isxdigit( c = str.at( i--)) ) |
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[3848e0e] | 108 | sfx += c; |
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[51b7345] | 109 | |
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[3848e0e] | 110 | value = str.substr( 0, i + 2 ); |
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[51b7345] | 111 | |
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[3848e0e] | 112 | // get rid of underscores |
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[bdd516a] | 113 | value.erase( remove( value.begin(), value.end(), '_'), value.end()); |
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[51b7345] | 114 | |
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[bdd516a] | 115 | std::transform( sfx.begin(), sfx.end(), sfx.begin(), tolower_hack ); |
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[51b7345] | 116 | |
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[3848e0e] | 117 | if ( sfx.find("ll") != string::npos ){ |
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| 118 | longs = 2; |
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[bdd516a] | 119 | } else if ( sfx.find("l") != string::npos ){ |
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[3848e0e] | 120 | longs = 1; |
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[bdd516a] | 121 | } // if |
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[51b7345] | 122 | |
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[bdd516a] | 123 | assert(( longs >= 0) && ( longs <= 2)); |
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[51b7345] | 124 | |
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[3848e0e] | 125 | if ( sfx.find("u") != string::npos ) |
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| 126 | sign = false; |
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[51b7345] | 127 | |
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[3848e0e] | 128 | break; |
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| 129 | } |
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| 130 | case Character: |
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| 131 | { |
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| 132 | // remove underscores from hex and oct escapes |
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[bdd516a] | 133 | if ( str.substr(1,2) == "\\x") |
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| 134 | value.erase( remove( value.begin(), value.end(), '_'), value.end()); |
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[51b7345] | 135 | |
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[3848e0e] | 136 | break; |
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| 137 | } |
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| 138 | default: |
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| 139 | // shouldn't be here |
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| 140 | ; |
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| 141 | } |
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[51b7345] | 142 | } |
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| 143 | |
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[bdd516a] | 144 | ConstantNode::Type ConstantNode::get_type( void ) const { |
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[3848e0e] | 145 | return type; |
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[51b7345] | 146 | } |
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| 147 | |
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[3848e0e] | 148 | ConstantNode *ConstantNode::append( std::string *newValue ) { |
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| 149 | if ( newValue ) { |
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[bdd516a] | 150 | if ( type == String ){ |
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[3848e0e] | 151 | std::string temp = *newValue; |
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| 152 | value.resize( value.size() - 1 ); |
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| 153 | value += newValue->substr(1, newValue->size()); |
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| 154 | } else |
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| 155 | value += *newValue; |
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[51b7345] | 156 | |
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[3848e0e] | 157 | delete newValue; |
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[bdd516a] | 158 | } // if |
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[3848e0e] | 159 | return this; |
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[51b7345] | 160 | } |
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| 161 | |
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[bdd516a] | 162 | void ConstantNode::printOneLine( std::ostream &os, int indent ) const { |
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| 163 | os << string( indent, ' '); |
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| 164 | printDesignation( os ); |
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[51b7345] | 165 | |
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[3848e0e] | 166 | switch ( type ) { |
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| 167 | /* integers */ |
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| 168 | case Integer: |
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| 169 | os << value ; |
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| 170 | break; |
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| 171 | case Float: |
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| 172 | os << value ; |
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| 173 | break; |
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[51b7345] | 174 | |
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[3848e0e] | 175 | case Character: |
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| 176 | os << "'" << value << "'"; |
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| 177 | break; |
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[51b7345] | 178 | |
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[3848e0e] | 179 | case String: |
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| 180 | os << '"' << value << '"'; |
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| 181 | break; |
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| 182 | } |
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[51b7345] | 183 | |
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[3848e0e] | 184 | os << ' '; |
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[51b7345] | 185 | } |
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| 186 | |
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[bdd516a] | 187 | void ConstantNode::print( std::ostream &os, int indent ) const { |
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[3848e0e] | 188 | printOneLine( os, indent ); |
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| 189 | os << endl; |
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[51b7345] | 190 | } |
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| 191 | |
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| 192 | Expression *ConstantNode::build() const { |
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[3848e0e] | 193 | ::Type::Qualifiers q; |
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| 194 | BasicType *bt; |
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| 195 | |
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[bdd516a] | 196 | switch ( get_type()){ |
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[3848e0e] | 197 | case Integer: |
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| 198 | /* Cfr. standard 6.4.4.1 */ |
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[bdd516a] | 199 | //bt.set_kind( BasicType::SignedInt ); |
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| 200 | bt = new BasicType( q, BasicType::SignedInt ); |
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[3848e0e] | 201 | break; |
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| 202 | case Float: |
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[bdd516a] | 203 | bt = new BasicType( q, BasicType::Float ); |
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[3848e0e] | 204 | break; |
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| 205 | case Character: |
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[bdd516a] | 206 | bt = new BasicType( q, BasicType::Char ); |
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[3848e0e] | 207 | break; |
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| 208 | case String: |
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| 209 | // string should probably be a primitive type |
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| 210 | ArrayType *at; |
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| 211 | std::string value = get_value(); |
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[bdd516a] | 212 | at = new ArrayType( q, new BasicType( q, BasicType::Char ), |
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| 213 | new ConstantExpr( Constant( new BasicType( q, BasicType::SignedInt ), |
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[3848e0e] | 214 | toString( value.size() - 1 ) ) ), // account for '\0' |
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| 215 | false, false ); |
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[bdd516a] | 216 | return new ConstantExpr( Constant( at, value ), maybeBuild< Expression >( get_argName() ) ); |
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[3848e0e] | 217 | } |
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[bdd516a] | 218 | return new ConstantExpr( Constant( bt, get_value()), maybeBuild< Expression >( get_argName() ) ); |
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[51b7345] | 219 | } |
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| 220 | |
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[bdd516a] | 221 | VarRefNode::VarRefNode() : isLabel( false ) {} |
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[51b7345] | 222 | |
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[bdd516a] | 223 | VarRefNode::VarRefNode( string *name_, bool labelp ) : ExpressionNode( name_), isLabel( labelp ) {} |
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[51b7345] | 224 | |
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[3848e0e] | 225 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) { |
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[51b7345] | 226 | } |
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| 227 | |
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| 228 | Expression *VarRefNode::build() const { |
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[3848e0e] | 229 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) ); |
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[51b7345] | 230 | } |
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| 231 | |
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[bdd516a] | 232 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const { |
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| 233 | printDesignation( os ); |
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[3848e0e] | 234 | os << get_name() << ' '; |
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[51b7345] | 235 | } |
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| 236 | |
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[bdd516a] | 237 | void VarRefNode::print( std::ostream &os, int indent ) const { |
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| 238 | printDesignation( os ); |
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| 239 | os << '\r' << string( indent, ' ') << "Referencing: "; |
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[3848e0e] | 240 | os << "Variable: " << get_name(); |
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| 241 | os << endl; |
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[51b7345] | 242 | } |
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| 243 | |
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[bdd516a] | 244 | OperatorNode::OperatorNode( Type t ) : type( t ) {} |
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[51b7345] | 245 | |
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[3848e0e] | 246 | OperatorNode::OperatorNode( const OperatorNode &other ) : ExpressionNode( other ), type( other.type ) { |
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[51b7345] | 247 | } |
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| 248 | |
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| 249 | OperatorNode::~OperatorNode() {} |
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| 250 | |
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[bdd516a] | 251 | OperatorNode::Type OperatorNode::get_type( void ) const{ |
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[3848e0e] | 252 | return type; |
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[51b7345] | 253 | } |
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| 254 | |
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[3848e0e] | 255 | void OperatorNode::printOneLine( std::ostream &os, int indent ) const { |
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[bdd516a] | 256 | printDesignation( os ); |
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[3848e0e] | 257 | os << OpName[ type ] << ' '; |
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[51b7345] | 258 | } |
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| 259 | |
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| 260 | void OperatorNode::print( std::ostream &os, int indent ) const{ |
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[bdd516a] | 261 | printDesignation( os ); |
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| 262 | os << '\r' << string( indent, ' ') << "Operator: " << OpName[type] << endl; |
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[3848e0e] | 263 | return; |
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[51b7345] | 264 | } |
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| 265 | |
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[bdd516a] | 266 | std::string OperatorNode::get_typename( void ) const{ |
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| 267 | return string( OpName[ type ]); |
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[51b7345] | 268 | } |
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| 269 | |
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[3848e0e] | 270 | const char *OperatorNode::OpName[] = { |
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| 271 | "TupleC", "Comma", "TupleFieldSel",// "TuplePFieldSel", //n-adic |
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[51b7345] | 272 | // triadic |
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| 273 | "Cond", "NCond", |
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| 274 | // diadic |
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| 275 | "SizeOf", "AlignOf", "Attr", "CompLit", "Plus", "Minus", "Mul", "Div", "Mod", "Or", |
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[3848e0e] | 276 | "And", "BitOr", "BitAnd", "Xor", "Cast", "LShift", "RShift", "LThan", "GThan", |
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| 277 | "LEThan", "GEThan", "Eq", "Neq", "Assign", "MulAssn", "DivAssn", "ModAssn", "PlusAssn", |
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| 278 | "MinusAssn", "LSAssn", "RSAssn", "AndAssn", "ERAssn", "OrAssn", "Index", "FieldSel","PFieldSel", |
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| 279 | "Range", |
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[51b7345] | 280 | // monadic |
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| 281 | "UnPlus", "UnMinus", "AddressOf", "PointTo", "Neg", "BitNeg", "Incr", "IncrPost", "Decr", "DecrPost", "LabelAddress" |
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[3848e0e] | 282 | }; |
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[51b7345] | 283 | |
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[bdd516a] | 284 | CompositeExprNode::CompositeExprNode( void ) : ExpressionNode(), function( 0 ), arguments( 0 ) { |
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[51b7345] | 285 | } |
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| 286 | |
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[bdd516a] | 287 | CompositeExprNode::CompositeExprNode( string *name_) : ExpressionNode( name_), function( 0 ), arguments( 0 ) { |
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[51b7345] | 288 | } |
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| 289 | |
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[bdd516a] | 290 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *args ): |
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| 291 | function( f ), arguments( args ) { |
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[51b7345] | 292 | } |
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| 293 | |
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[bdd516a] | 294 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *arg1, ExpressionNode *arg2): |
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| 295 | function( f ), arguments( arg1) { |
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| 296 | arguments->set_link( arg2); |
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[51b7345] | 297 | } |
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| 298 | |
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[3848e0e] | 299 | CompositeExprNode::CompositeExprNode( const CompositeExprNode &other ) : ExpressionNode( other ), function( maybeClone( other.function ) ) { |
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| 300 | ParseNode *cur = other.arguments; |
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| 301 | while ( cur ) { |
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| 302 | if ( arguments ) { |
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| 303 | arguments->set_link( cur->clone() ); |
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| 304 | } else { |
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[bdd516a] | 305 | arguments = ( ExpressionNode*)cur->clone(); |
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| 306 | } // if |
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[3848e0e] | 307 | cur = cur->get_link(); |
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[51b7345] | 308 | } |
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| 309 | } |
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| 310 | |
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[3848e0e] | 311 | CompositeExprNode::~CompositeExprNode() { |
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| 312 | delete function; |
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| 313 | delete arguments; |
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[51b7345] | 314 | } |
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| 315 | |
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| 316 | // the names that users use to define operator functions |
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[3848e0e] | 317 | static const char *opFuncName[] = { |
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| 318 | "", "", "", |
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[51b7345] | 319 | "", "", |
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| 320 | // diadic |
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| 321 | "", "", "", "", "?+?", "?-?", "?*?", "?/?", "?%?", "", "", |
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[3848e0e] | 322 | "?|?", "?&?", "?^?", "", "?<<?", "?>>?", "?<?", "?>?", "?<=?", |
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| 323 | "?>=?", "?==?", "?!=?", "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", |
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| 324 | "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", "?[?]", "","","Range", |
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[51b7345] | 325 | // monadic |
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| 326 | "+?", "-?", "", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "LabAddress" |
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[3848e0e] | 327 | }; |
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[51b7345] | 328 | |
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| 329 | #include "utility.h" |
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| 330 | |
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[3848e0e] | 331 | Expression *CompositeExprNode::build() const { |
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| 332 | OperatorNode *op; |
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| 333 | std::list<Expression *> args; |
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[51b7345] | 334 | |
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[bdd516a] | 335 | buildList( get_args(), args ); |
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[51b7345] | 336 | |
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[bdd516a] | 337 | if ( ! ( op = dynamic_cast<OperatorNode *>( function )) ) { |
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[3848e0e] | 338 | // a function as opposed to an operator |
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[bdd516a] | 339 | return new UntypedExpr( function->build(), args, maybeBuild< Expression >( get_argName() )); |
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[3848e0e] | 340 | } else { |
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[bdd516a] | 341 | switch ( op->get_type()){ |
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[3848e0e] | 342 | case OperatorNode::Incr: |
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| 343 | case OperatorNode::Decr: |
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| 344 | case OperatorNode::IncrPost: |
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| 345 | case OperatorNode::DecrPost: |
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| 346 | case OperatorNode::Assign: |
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| 347 | case OperatorNode::MulAssn: |
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| 348 | case OperatorNode::DivAssn: |
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| 349 | case OperatorNode::ModAssn: |
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| 350 | case OperatorNode::PlusAssn: |
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| 351 | case OperatorNode::MinusAssn: |
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| 352 | case OperatorNode::LSAssn: |
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| 353 | case OperatorNode::RSAssn: |
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| 354 | case OperatorNode::AndAssn: |
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| 355 | case OperatorNode::ERAssn: |
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| 356 | case OperatorNode::OrAssn: |
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| 357 | // the rewrite rules for these expressions specify that the first argument has its address taken |
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| 358 | assert( !args.empty() ); |
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| 359 | args.front() = new AddressExpr( args.front() ); |
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| 360 | break; |
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| 361 | default: |
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| 362 | /* do nothing */ |
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| 363 | ; |
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| 364 | } |
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[51b7345] | 365 | |
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[3848e0e] | 366 | switch ( op->get_type() ) { |
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| 367 | case OperatorNode::Incr: |
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| 368 | case OperatorNode::Decr: |
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| 369 | case OperatorNode::IncrPost: |
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| 370 | case OperatorNode::DecrPost: |
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| 371 | case OperatorNode::Assign: |
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| 372 | case OperatorNode::MulAssn: |
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| 373 | case OperatorNode::DivAssn: |
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| 374 | case OperatorNode::ModAssn: |
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| 375 | case OperatorNode::PlusAssn: |
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| 376 | case OperatorNode::MinusAssn: |
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| 377 | case OperatorNode::LSAssn: |
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| 378 | case OperatorNode::RSAssn: |
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| 379 | case OperatorNode::AndAssn: |
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| 380 | case OperatorNode::ERAssn: |
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| 381 | case OperatorNode::OrAssn: |
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| 382 | case OperatorNode::Plus: |
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| 383 | case OperatorNode::Minus: |
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| 384 | case OperatorNode::Mul: |
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| 385 | case OperatorNode::Div: |
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| 386 | case OperatorNode::Mod: |
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| 387 | case OperatorNode::BitOr: |
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| 388 | case OperatorNode::BitAnd: |
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| 389 | case OperatorNode::Xor: |
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| 390 | case OperatorNode::LShift: |
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| 391 | case OperatorNode::RShift: |
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| 392 | case OperatorNode::LThan: |
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| 393 | case OperatorNode::GThan: |
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| 394 | case OperatorNode::LEThan: |
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| 395 | case OperatorNode::GEThan: |
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| 396 | case OperatorNode::Eq: |
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| 397 | case OperatorNode::Neq: |
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| 398 | case OperatorNode::Index: |
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| 399 | case OperatorNode::Range: |
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| 400 | case OperatorNode::UnPlus: |
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| 401 | case OperatorNode::UnMinus: |
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| 402 | case OperatorNode::PointTo: |
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| 403 | case OperatorNode::Neg: |
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| 404 | case OperatorNode::BitNeg: |
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| 405 | case OperatorNode::LabelAddress: |
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| 406 | return new UntypedExpr( new NameExpr( opFuncName[ op->get_type() ] ), args ); |
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| 407 | case OperatorNode::AddressOf: |
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| 408 | assert( args.size() == 1 ); |
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| 409 | assert( args.front() ); |
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| 410 | |
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| 411 | return new AddressExpr( args.front() ); |
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| 412 | case OperatorNode::Cast: |
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| 413 | { |
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[bdd516a] | 414 | TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()); |
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[3848e0e] | 415 | assert( arg ); |
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| 416 | |
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| 417 | DeclarationNode *decl_node = arg->get_decl(); |
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[bdd516a] | 418 | ExpressionNode *expr_node = dynamic_cast<ExpressionNode *>( arg->get_link()); |
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[3848e0e] | 419 | |
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| 420 | Type *targetType = decl_node->buildType(); |
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| 421 | if ( dynamic_cast< VoidType* >( targetType ) ) { |
---|
| 422 | delete targetType; |
---|
| 423 | return new CastExpr( expr_node->build(), maybeBuild< Expression >( get_argName() ) ); |
---|
| 424 | } else { |
---|
[bdd516a] | 425 | return new CastExpr( expr_node->build(),targetType, maybeBuild< Expression >( get_argName() ) ); |
---|
| 426 | } // if |
---|
[3848e0e] | 427 | } |
---|
| 428 | case OperatorNode::FieldSel: |
---|
| 429 | { |
---|
| 430 | assert( args.size() == 2 ); |
---|
| 431 | |
---|
[bdd516a] | 432 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); |
---|
| 433 | // TupleExpr *memberTup = dynamic_cast<TupleExpr *>( args.back()); |
---|
[3848e0e] | 434 | |
---|
[bdd516a] | 435 | if ( member != 0 ) { |
---|
| 436 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), args.front()); |
---|
| 437 | delete member; |
---|
| 438 | return ret; |
---|
[3848e0e] | 439 | /* else if ( memberTup != 0 ) |
---|
| 440 | { |
---|
[bdd516a] | 441 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberTup->get_name(), args.front()); |
---|
[3848e0e] | 442 | delete member; |
---|
| 443 | return ret; |
---|
| 444 | } */ |
---|
[bdd516a] | 445 | } else |
---|
[3848e0e] | 446 | assert( false ); |
---|
| 447 | } |
---|
| 448 | case OperatorNode::PFieldSel: |
---|
| 449 | { |
---|
| 450 | assert( args.size() == 2 ); |
---|
| 451 | |
---|
[bdd516a] | 452 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); // modify for Tuples xxx |
---|
[3848e0e] | 453 | assert( member != 0 ); |
---|
| 454 | |
---|
| 455 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); |
---|
| 456 | deref->get_args().push_back( args.front() ); |
---|
| 457 | |
---|
[bdd516a] | 458 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), deref ); |
---|
[3848e0e] | 459 | delete member; |
---|
| 460 | return ret; |
---|
| 461 | } |
---|
| 462 | case OperatorNode::AlignOf: |
---|
| 463 | case OperatorNode::SizeOf: |
---|
| 464 | { |
---|
[bdd516a] | 465 | /// bool isSizeOf = ( op->get_type() == OperatorNode::SizeOf ); |
---|
[51b7345] | 466 | |
---|
[bdd516a] | 467 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()) ) { |
---|
| 468 | return new SizeofExpr( arg->get_decl()->buildType()); |
---|
[3848e0e] | 469 | } else { |
---|
[bdd516a] | 470 | return new SizeofExpr( args.front()); |
---|
| 471 | } // if |
---|
[3848e0e] | 472 | } |
---|
| 473 | case OperatorNode::Attr: |
---|
| 474 | { |
---|
[bdd516a] | 475 | VarRefNode *var = dynamic_cast<VarRefNode *>( get_args()); |
---|
[3848e0e] | 476 | assert( var ); |
---|
| 477 | if ( !get_args()->get_link() ) { |
---|
[bdd516a] | 478 | return new AttrExpr( var->build(), ( Expression*)0); |
---|
| 479 | } else if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()->get_link()) ) { |
---|
| 480 | return new AttrExpr( var->build(), arg->get_decl()->buildType()); |
---|
[3848e0e] | 481 | } else { |
---|
[bdd516a] | 482 | return new AttrExpr( var->build(), args.back()); |
---|
| 483 | } // if |
---|
[3848e0e] | 484 | } |
---|
| 485 | case OperatorNode::CompLit: |
---|
| 486 | throw UnimplementedError( "C99 compound literals" ); |
---|
| 487 | // the short-circuited operators |
---|
| 488 | case OperatorNode::Or: |
---|
| 489 | case OperatorNode::And: |
---|
[bdd516a] | 490 | assert( args.size() == 2); |
---|
| 491 | return new LogicalExpr( notZeroExpr( args.front() ), notZeroExpr( args.back() ), ( op->get_type() == OperatorNode::And ) ); |
---|
[3848e0e] | 492 | case OperatorNode::Cond: |
---|
| 493 | { |
---|
[bdd516a] | 494 | assert( args.size() == 3); |
---|
[3848e0e] | 495 | std::list< Expression* >::const_iterator i = args.begin(); |
---|
| 496 | Expression *arg1 = notZeroExpr( *i++ ); |
---|
| 497 | Expression *arg2 = *i++; |
---|
| 498 | Expression *arg3 = *i++; |
---|
| 499 | return new ConditionalExpr( arg1, arg2, arg3 ); |
---|
| 500 | } |
---|
| 501 | case OperatorNode::NCond: |
---|
| 502 | throw UnimplementedError( "GNU 2-argument conditional expression" ); |
---|
| 503 | case OperatorNode::Comma: |
---|
| 504 | { |
---|
[bdd516a] | 505 | assert( args.size() == 2); |
---|
[3848e0e] | 506 | std::list< Expression* >::const_iterator i = args.begin(); |
---|
| 507 | Expression *ret = *i++; |
---|
| 508 | while ( i != args.end() ) { |
---|
| 509 | ret = new CommaExpr( ret, *i++ ); |
---|
| 510 | } |
---|
| 511 | return ret; |
---|
| 512 | } |
---|
| 513 | // Tuples |
---|
| 514 | case OperatorNode::TupleC: |
---|
| 515 | { |
---|
| 516 | TupleExpr *ret = new TupleExpr(); |
---|
| 517 | std::copy( args.begin(), args.end(), back_inserter( ret->get_exprs() ) ); |
---|
| 518 | return ret; |
---|
| 519 | } |
---|
| 520 | default: |
---|
| 521 | // shouldn't happen |
---|
| 522 | return 0; |
---|
| 523 | } |
---|
[51b7345] | 524 | } |
---|
| 525 | } |
---|
| 526 | |
---|
[bdd516a] | 527 | void CompositeExprNode::printOneLine( std::ostream &os, int indent ) const { |
---|
| 528 | printDesignation( os ); |
---|
[3848e0e] | 529 | os << "( "; |
---|
| 530 | function->printOneLine( os, indent ); |
---|
[bdd516a] | 531 | for ( ExpressionNode *cur = arguments; cur != 0; cur = dynamic_cast< ExpressionNode* >( cur->get_link() ) ) { |
---|
[3848e0e] | 532 | cur->printOneLine( os, indent ); |
---|
| 533 | } |
---|
| 534 | os << ") "; |
---|
[51b7345] | 535 | } |
---|
| 536 | |
---|
[bdd516a] | 537 | void CompositeExprNode::print( std::ostream &os, int indent ) const { |
---|
| 538 | printDesignation( os ); |
---|
| 539 | os << '\r' << string( indent, ' ') << "Application of: " << endl; |
---|
[3848e0e] | 540 | function->print( os, indent + ParseNode::indent_by ); |
---|
[51b7345] | 541 | |
---|
[bdd516a] | 542 | os << '\r' << string( indent, ' ') ; |
---|
[3848e0e] | 543 | if ( arguments ) { |
---|
| 544 | os << "... on arguments: " << endl; |
---|
[bdd516a] | 545 | arguments->printList( os, indent + ParseNode::indent_by ); |
---|
[3848e0e] | 546 | } else |
---|
| 547 | os << "... on no arguments: " << endl; |
---|
[51b7345] | 548 | } |
---|
| 549 | |
---|
[bdd516a] | 550 | void CompositeExprNode::set_function( ExpressionNode *f ){ |
---|
[3848e0e] | 551 | function = f; |
---|
[51b7345] | 552 | } |
---|
| 553 | |
---|
[bdd516a] | 554 | void CompositeExprNode::set_args( ExpressionNode *args ){ |
---|
[3848e0e] | 555 | arguments = args; |
---|
[51b7345] | 556 | } |
---|
| 557 | |
---|
[bdd516a] | 558 | ExpressionNode *CompositeExprNode::get_function( void ) const { |
---|
[3848e0e] | 559 | return function; |
---|
[51b7345] | 560 | } |
---|
| 561 | |
---|
[bdd516a] | 562 | ExpressionNode *CompositeExprNode::get_args( void ) const { |
---|
[3848e0e] | 563 | return arguments; |
---|
[51b7345] | 564 | } |
---|
| 565 | |
---|
[bdd516a] | 566 | void CompositeExprNode::add_arg( ExpressionNode *arg ){ |
---|
| 567 | if ( arguments ) |
---|
| 568 | arguments->set_link( arg ); |
---|
[3848e0e] | 569 | else |
---|
[bdd516a] | 570 | set_args( arg ); |
---|
[51b7345] | 571 | } |
---|
| 572 | |
---|
[bdd516a] | 573 | CommaExprNode::CommaExprNode(): CompositeExprNode( new OperatorNode( OperatorNode::Comma )) {} |
---|
[51b7345] | 574 | |
---|
[bdd516a] | 575 | CommaExprNode::CommaExprNode( ExpressionNode *exp ) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp ) { |
---|
[3848e0e] | 576 | } |
---|
[51b7345] | 577 | |
---|
[bdd516a] | 578 | CommaExprNode::CommaExprNode( ExpressionNode *exp1, ExpressionNode *exp2) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp1, exp2) { |
---|
[51b7345] | 579 | } |
---|
| 580 | |
---|
[bdd516a] | 581 | CommaExprNode *CommaExprNode::add_to_list( ExpressionNode *exp ){ |
---|
| 582 | add_arg( exp ); |
---|
[51b7345] | 583 | |
---|
[3848e0e] | 584 | return this; |
---|
[51b7345] | 585 | } |
---|
| 586 | |
---|
[3848e0e] | 587 | CommaExprNode::CommaExprNode( const CommaExprNode &other ) : CompositeExprNode( other ) { |
---|
[51b7345] | 588 | } |
---|
| 589 | |
---|
[bdd516a] | 590 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {} |
---|
[51b7345] | 591 | |
---|
[3848e0e] | 592 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) { |
---|
[51b7345] | 593 | } |
---|
| 594 | |
---|
| 595 | ValofExprNode::~ValofExprNode() { |
---|
[3848e0e] | 596 | delete body; |
---|
[51b7345] | 597 | } |
---|
| 598 | |
---|
| 599 | void ValofExprNode::print( std::ostream &os, int indent ) const { |
---|
[bdd516a] | 600 | printDesignation( os ); |
---|
| 601 | os << string( indent, ' ') << "Valof Expression:" << std::endl; |
---|
| 602 | get_body()->print( os, indent + 4); |
---|
[51b7345] | 603 | } |
---|
| 604 | |
---|
[3848e0e] | 605 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
| 606 | assert( false ); |
---|
[51b7345] | 607 | } |
---|
| 608 | |
---|
| 609 | Expression *ValofExprNode::build() const { |
---|
[3848e0e] | 610 | return new UntypedValofExpr ( get_body()->build(), maybeBuild< Expression >( get_argName() ) ); |
---|
| 611 | } |
---|
| 612 | |
---|
[bdd516a] | 613 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) { |
---|
[3848e0e] | 614 | if ( init_ == 0 ) |
---|
| 615 | init = 0; |
---|
| 616 | else { |
---|
| 617 | DeclarationNode *decl; |
---|
| 618 | ExpressionNode *exp; |
---|
| 619 | |
---|
[bdd516a] | 620 | if (( decl = dynamic_cast<DeclarationNode *>( init_)) != 0) |
---|
| 621 | init = new StatementNode( decl ); |
---|
| 622 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0) |
---|
| 623 | init = new StatementNode( StatementNode::Exp, exp ); |
---|
[3848e0e] | 624 | else |
---|
| 625 | throw SemanticError("Error in for control expression"); |
---|
| 626 | } |
---|
[51b7345] | 627 | } |
---|
| 628 | |
---|
| 629 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other ) |
---|
[3848e0e] | 630 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) { |
---|
[51b7345] | 631 | } |
---|
| 632 | |
---|
| 633 | ForCtlExprNode::~ForCtlExprNode(){ |
---|
[3848e0e] | 634 | delete init; |
---|
| 635 | delete condition; |
---|
| 636 | delete change; |
---|
[51b7345] | 637 | } |
---|
| 638 | |
---|
| 639 | Expression *ForCtlExprNode::build() const { |
---|
[3848e0e] | 640 | // this shouldn't be used! |
---|
| 641 | assert( false ); |
---|
| 642 | return 0; |
---|
[51b7345] | 643 | } |
---|
| 644 | |
---|
| 645 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{ |
---|
[bdd516a] | 646 | os << string( indent,' ') << "For Control Expression -- : " << endl; |
---|
[51b7345] | 647 | |
---|
[bdd516a] | 648 | os << "\r" << string( indent + 2,' ') << "initialization: "; |
---|
| 649 | if ( init != 0) |
---|
| 650 | init->print( os, indent + 4); |
---|
[51b7345] | 651 | |
---|
[bdd516a] | 652 | os << "\n\r" << string( indent + 2,' ') << "condition: "; |
---|
| 653 | if ( condition != 0) |
---|
| 654 | condition->print( os, indent + 4); |
---|
| 655 | os << "\n\r" << string( indent + 2,' ') << "increment: "; |
---|
| 656 | if ( change != 0) |
---|
| 657 | change->print( os, indent + 4); |
---|
[51b7345] | 658 | } |
---|
| 659 | |
---|
[3848e0e] | 660 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
| 661 | assert( false ); |
---|
[51b7345] | 662 | } |
---|
| 663 | |
---|
[bdd516a] | 664 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) |
---|
[3848e0e] | 665 | : decl( decl ) { |
---|
[51b7345] | 666 | } |
---|
| 667 | |
---|
| 668 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) |
---|
[3848e0e] | 669 | : ExpressionNode( other ), decl( maybeClone( other.decl ) ) { |
---|
[51b7345] | 670 | } |
---|
| 671 | |
---|
[3848e0e] | 672 | Expression *TypeValueNode::build() const { |
---|
| 673 | return new TypeExpr( decl->buildType() ); |
---|
[51b7345] | 674 | } |
---|
| 675 | |
---|
[bdd516a] | 676 | void TypeValueNode::print( std::ostream &os, int indent ) const { |
---|
[3848e0e] | 677 | os << std::string( indent, ' ' ) << "Type:"; |
---|
[bdd516a] | 678 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 679 | } |
---|
| 680 | |
---|
[bdd516a] | 681 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const { |
---|
[3848e0e] | 682 | os << "Type:"; |
---|
[bdd516a] | 683 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 684 | } |
---|
| 685 | |
---|
[3848e0e] | 686 | ExpressionNode *flattenCommas( ExpressionNode *list ) { |
---|
| 687 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( list ) ) |
---|
| 688 | { |
---|
| 689 | OperatorNode *op; |
---|
[bdd516a] | 690 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::Comma ) ) |
---|
[3848e0e] | 691 | { |
---|
| 692 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 693 | composite->add_arg( next ); |
---|
| 694 | return flattenCommas( composite->get_args() ); |
---|
| 695 | } |
---|
| 696 | } |
---|
[51b7345] | 697 | |
---|
[3848e0e] | 698 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 699 | list->set_next( flattenCommas( next ) ); |
---|
[51b7345] | 700 | |
---|
[3848e0e] | 701 | return list; |
---|
[51b7345] | 702 | } |
---|
| 703 | |
---|
[3848e0e] | 704 | ExpressionNode *tupleContents( ExpressionNode *tuple ) { |
---|
| 705 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( tuple ) ) { |
---|
| 706 | OperatorNode *op = 0; |
---|
[bdd516a] | 707 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::TupleC ) ) |
---|
[3848e0e] | 708 | return composite->get_args(); |
---|
| 709 | } |
---|
| 710 | return tuple; |
---|
[51b7345] | 711 | } |
---|