[0dd3a2f] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // Statement.cc -- |
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| 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Mon May 18 10:55:19 2015 |
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| 13 | // Update Count : 2 |
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| 14 | // |
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| 15 | |
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[51b7345] | 16 | #include <functional> |
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| 17 | #include <algorithm> |
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| 18 | #include <iostream> |
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| 19 | #include <list> |
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| 20 | #include <cassert> |
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| 21 | |
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| 22 | #include "Statement.h" |
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| 23 | #include "Expression.h" |
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| 24 | #include "Declaration.h" |
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| 25 | #include "Common/SemanticError.h" |
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| 26 | |
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| 27 | using std::string; |
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| 28 | using std::endl; |
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| 29 | |
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[0dd3a2f] | 30 | Statement::Statement( std::list<Label> _labels ) : labels(_labels ) {} |
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[51b7345] | 31 | |
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[0dd3a2f] | 32 | void Statement::print( std::ostream &, int indent ) {} |
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[51b7345] | 33 | |
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| 34 | Statement::~Statement() {} |
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| 35 | |
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[0dd3a2f] | 36 | ExprStmt::ExprStmt( std::list<Label> _labels, Expression *_expr ) : Statement(_labels ), expr(_expr ) {} |
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[51b7345] | 37 | |
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| 38 | ExprStmt::~ExprStmt() {} |
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| 39 | |
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| 40 | void ExprStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 41 | os << "\r" << string(indent, ' ') << "Expression Statement:" << endl; |
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| 42 | expr->print( os, indent + 2 ); |
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[51b7345] | 43 | } |
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| 44 | |
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| 45 | const char *BranchStmt::brType[] = { "Goto", "Break", "Continue" }; |
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| 46 | |
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[0dd3a2f] | 47 | BranchStmt::BranchStmt( std::list<Label> labels, Label _target, Type _type ) throw ( SemanticError ) : |
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| 48 | Statement( labels ), target(_target ), type(_type ) { |
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| 49 | //actually this is a syntactic error signaled by the parser |
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| 50 | if ( type == BranchStmt::Goto && target.size() == 0 ) |
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| 51 | throw SemanticError("goto without target"); |
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[51b7345] | 52 | } |
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| 53 | |
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[0dd3a2f] | 54 | BranchStmt::BranchStmt( std::list<Label> labels, Expression *_computedTarget, Type _type ) throw ( SemanticError ) : |
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| 55 | Statement( labels ), computedTarget(_computedTarget ), type(_type ) { |
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| 56 | if ( type != BranchStmt::Goto || computedTarget == 0 ) |
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| 57 | throw SemanticError("Computed target not valid in branch statement"); |
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[51b7345] | 58 | } |
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| 59 | |
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[a08ba92] | 60 | void BranchStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 61 | os << "\r" << string( indent, ' ') << "Branch (" << brType[type] << ")" << endl ; |
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[51b7345] | 62 | } |
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| 63 | |
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[0dd3a2f] | 64 | ReturnStmt::ReturnStmt( std::list<Label> labels, Expression *_expr, bool throwP ) : Statement( labels ), expr( _expr ), isThrow( throwP ) {} |
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[51b7345] | 65 | |
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| 66 | ReturnStmt::~ReturnStmt() { |
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[0dd3a2f] | 67 | delete expr; |
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[51b7345] | 68 | } |
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| 69 | |
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[0dd3a2f] | 70 | void ReturnStmt::print( std::ostream &os, int indent ) { |
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| 71 | os << "\r" << std::string( indent, ' ') << string ( isThrow? "Throw":"Return" ) << " Statement, returning: "; |
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| 72 | if ( expr != 0 ) expr->print( os ); |
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| 73 | os << endl; |
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[51b7345] | 74 | } |
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| 75 | |
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| 76 | IfStmt::IfStmt( std::list<Label> _labels, Expression *_condition, Statement *_thenPart, Statement *_elsePart ): |
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[0dd3a2f] | 77 | Statement(_labels ), condition(_condition ), thenPart(_thenPart ), elsePart(_elsePart ) {} |
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[51b7345] | 78 | |
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| 79 | IfStmt::~IfStmt() {} |
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| 80 | |
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[a08ba92] | 81 | void IfStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 82 | os << "\r" << string( indent, ' ') << "If on condition: " << endl ; |
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| 83 | condition->print( os, indent + 4 ); |
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[51b7345] | 84 | |
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[0dd3a2f] | 85 | os << string( indent, ' ') << ".... and branches: " << endl; |
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[51b7345] | 86 | |
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[0dd3a2f] | 87 | thenPart->print( os, indent + 4 ); |
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[51b7345] | 88 | |
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[0dd3a2f] | 89 | if ( elsePart != 0 ) { |
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| 90 | elsePart->print( os, indent + 4 ); |
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| 91 | } // if |
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[51b7345] | 92 | } |
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| 93 | |
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[0dd3a2f] | 94 | SwitchStmt::SwitchStmt( std::list<Label> _labels, Expression * _condition, std::list<Statement *> &_branches ): |
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| 95 | Statement(_labels ), condition(_condition ), branches(_branches ) { |
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| 96 | } |
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[51b7345] | 97 | |
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| 98 | SwitchStmt::~SwitchStmt() { |
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[0dd3a2f] | 99 | delete condition; |
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| 100 | // destroy branches |
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[51b7345] | 101 | } |
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| 102 | |
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[0dd3a2f] | 103 | void SwitchStmt::add_case( CaseStmt *c ) {} |
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[51b7345] | 104 | |
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[0dd3a2f] | 105 | void SwitchStmt::print( std::ostream &os, int indent ) { |
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| 106 | os << "\r" << string( indent, ' ') << "Switch on condition: "; |
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| 107 | condition->print( os ); |
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| 108 | os << endl; |
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[51b7345] | 109 | |
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[0dd3a2f] | 110 | // branches |
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| 111 | std::list<Statement *>::iterator i; |
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| 112 | for ( i = branches.begin(); i != branches.end(); i++) |
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| 113 | (*i )->print( os, indent + 4 ); |
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[51b7345] | 114 | |
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[0dd3a2f] | 115 | //for_each( branches.begin(), branches.end(), mem_fun( bind1st(&Statement::print ), os )); |
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[51b7345] | 116 | } |
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| 117 | |
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[0dd3a2f] | 118 | CaseStmt::CaseStmt( std::list<Label> _labels, Expression *_condition, std::list<Statement *> &_statements, bool deflt ) throw ( SemanticError ) : |
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| 119 | Statement(_labels ), condition(_condition ), stmts(_statements ), _isDefault( deflt ) { |
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| 120 | if ( isDefault() && condition != 0 ) |
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| 121 | throw SemanticError("default with conditions"); |
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[51b7345] | 122 | } |
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| 123 | |
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| 124 | CaseStmt::~CaseStmt() { |
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[0dd3a2f] | 125 | delete condition; |
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[51b7345] | 126 | } |
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| 127 | |
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[0dd3a2f] | 128 | void CaseStmt::print( std::ostream &os, int indent ) { |
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| 129 | os << "\r" << string( indent, ' '); |
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[51b7345] | 130 | |
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[0dd3a2f] | 131 | if ( isDefault()) |
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| 132 | os << "Default "; |
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| 133 | else { |
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| 134 | os << "Case "; |
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| 135 | condition->print( os ); |
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| 136 | } // if |
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[51b7345] | 137 | |
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[0dd3a2f] | 138 | os << endl; |
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[51b7345] | 139 | |
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[0dd3a2f] | 140 | std::list<Statement *>::iterator i; |
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| 141 | for ( i = stmts.begin(); i != stmts.end(); i++) |
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| 142 | (*i )->print( os, indent + 4 ); |
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[51b7345] | 143 | } |
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| 144 | |
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| 145 | //ChooseStmt::ChooseStmt( std::list<Label> labels, Expression *condition, Statement *body ) {} |
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[0dd3a2f] | 146 | ChooseStmt::ChooseStmt( std::list<Label> _labels, Expression * _condition, std::list<Statement *> &_branches ): |
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| 147 | Statement(_labels ), condition(_condition ), branches(_branches ) { |
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| 148 | } |
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[51b7345] | 149 | |
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| 150 | ChooseStmt::~ChooseStmt() { |
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[0dd3a2f] | 151 | delete condition; |
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[51b7345] | 152 | } |
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| 153 | |
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[0dd3a2f] | 154 | void ChooseStmt::add_case( CaseStmt *c ) {} |
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[51b7345] | 155 | |
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[0dd3a2f] | 156 | void ChooseStmt::print( std::ostream &os, int indent ) { |
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| 157 | os << "\r" << string( indent, ' ') << "Choose on condition: "; |
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| 158 | condition->print( os ); |
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| 159 | os << endl; |
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[51b7345] | 160 | |
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[0dd3a2f] | 161 | // branches |
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| 162 | std::list<Statement *>::iterator i; |
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| 163 | for ( i = branches.begin(); i != branches.end(); i++) |
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| 164 | (*i )->print( os, indent + 4 ); |
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[51b7345] | 165 | |
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[0dd3a2f] | 166 | //for_each( branches.begin(), branches.end(), mem_fun( bind1st(&Statement::print ), os )); |
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[51b7345] | 167 | } |
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| 168 | |
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[0dd3a2f] | 169 | void FallthruStmt::print( std::ostream &os, int indent ) { |
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| 170 | os << "\r" << string( indent, ' ') << "Fall-through statement" << endl; |
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[51b7345] | 171 | } |
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| 172 | |
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[0dd3a2f] | 173 | WhileStmt::WhileStmt( std::list<Label> labels, Expression *condition_, Statement *body_, bool isDoWhile_ ): |
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| 174 | Statement( labels ), condition( condition_), body( body_), isDoWhile( isDoWhile_) { |
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| 175 | } |
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[51b7345] | 176 | |
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[a08ba92] | 177 | WhileStmt::~WhileStmt() { |
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[0dd3a2f] | 178 | delete body; |
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[51b7345] | 179 | } |
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| 180 | |
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[a08ba92] | 181 | void WhileStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 182 | os << "\r" << string( indent, ' ') << "While on condition: " << endl ; |
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| 183 | condition->print( os, indent + 4 ); |
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[51b7345] | 184 | |
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[0dd3a2f] | 185 | os << string( indent, ' ') << ".... with body: " << endl; |
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[51b7345] | 186 | |
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[0dd3a2f] | 187 | if ( body != 0 ) body->print( os, indent + 4 ); |
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[51b7345] | 188 | } |
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| 189 | |
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[0dd3a2f] | 190 | ForStmt::ForStmt( std::list<Label> labels, Statement *initialization_, Expression *condition_, Expression *increment_, Statement *body_ ): |
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| 191 | Statement( labels ), initialization( initialization_ ), condition( condition_ ), increment( increment_ ), body( body_ ) { |
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| 192 | } |
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[51b7345] | 193 | |
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| 194 | ForStmt::~ForStmt() { |
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[0dd3a2f] | 195 | delete initialization; |
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| 196 | delete condition; |
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| 197 | delete increment; |
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| 198 | delete body; |
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[51b7345] | 199 | } |
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| 200 | |
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[a08ba92] | 201 | void ForStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 202 | os << "\r" << string( indent, ' ') << "For Statement" << endl ; |
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[51b7345] | 203 | |
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[0dd3a2f] | 204 | os << "\r" << string( indent + 2, ' ') << "initialization: \n"; |
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| 205 | if ( initialization != 0 ) |
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| 206 | initialization->print( os, indent + 4 ); |
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[51b7345] | 207 | |
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[0dd3a2f] | 208 | os << "\n\r" << string( indent + 2, ' ') << "condition: \n"; |
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| 209 | if ( condition != 0 ) |
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| 210 | condition->print( os, indent + 4 ); |
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[51b7345] | 211 | |
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[0dd3a2f] | 212 | os << "\n\r" << string( indent + 2, ' ') << "increment: \n"; |
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| 213 | if ( increment != 0 ) |
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| 214 | increment->print( os, indent + 4 ); |
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[51b7345] | 215 | |
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[0dd3a2f] | 216 | os << "\n\r" << string( indent + 2, ' ') << "statement block: \n"; |
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| 217 | if ( body != 0 ) |
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| 218 | body->print( os, indent + 4 ); |
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[51b7345] | 219 | |
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[0dd3a2f] | 220 | os << endl; |
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[51b7345] | 221 | } |
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| 222 | |
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| 223 | TryStmt::TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &_handlers, FinallyStmt *_finallyBlock ) : |
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[0dd3a2f] | 224 | Statement( labels ), block( tryBlock ), handlers( _handlers ), finallyBlock( _finallyBlock ) { |
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| 225 | } |
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[51b7345] | 226 | |
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[0dd3a2f] | 227 | TryStmt::TryStmt( const TryStmt &other ) : Statement( other.labels ) { |
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| 228 | block = other.block; |
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| 229 | std::copy( other.handlers.begin(), other.handlers.end(), back_inserter( handlers ) ); |
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| 230 | finallyBlock = other.finallyBlock; |
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[51b7345] | 231 | } |
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| 232 | |
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[a08ba92] | 233 | TryStmt::~TryStmt() { |
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[0dd3a2f] | 234 | delete block; |
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[51b7345] | 235 | } |
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| 236 | |
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| 237 | void TryStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 238 | os << "\r" << string( indent, ' ') << "Try Statement" << endl; |
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| 239 | os << string( indent + 2, ' ') << "with block: " << endl; |
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| 240 | block->print( os, indent + 4 ); |
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| 241 | |
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| 242 | // handlers |
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| 243 | os << string( indent + 2, ' ') << "and handlers: " << endl; |
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| 244 | std::list<Statement *>::iterator i; |
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| 245 | for ( i = handlers.begin(); i != handlers.end(); i++) |
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| 246 | (*i )->print( os, indent + 4 ); |
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| 247 | |
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| 248 | // finally block |
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| 249 | if ( finallyBlock != 0 ) { |
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| 250 | os << string( indent + 2, ' ') << "Finally block: " << endl; |
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| 251 | finallyBlock->print( os, indent + 4 ); |
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| 252 | } // if |
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[51b7345] | 253 | } |
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| 254 | |
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| 255 | CatchStmt::CatchStmt( std::list<Label> labels, Declaration *_decl, Statement *_body, bool isCatchRest ) : |
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[0dd3a2f] | 256 | Statement( labels ), decl ( _decl ), body( _body ), catchRest ( isCatchRest ) { |
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| 257 | } |
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[51b7345] | 258 | |
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[a08ba92] | 259 | CatchStmt::~CatchStmt() { |
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[0dd3a2f] | 260 | delete decl; |
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| 261 | delete body; |
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[51b7345] | 262 | } |
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| 263 | |
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| 264 | void CatchStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 265 | os << "\r" << string( indent, ' ') << "Catch Statement" << endl; |
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| 266 | |
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| 267 | os << "\r" << string( indent, ' ') << "... catching" << endl; |
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| 268 | if ( decl ) { |
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| 269 | decl->printShort( os, indent + 4 ); |
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| 270 | os << endl; |
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| 271 | } else if ( catchRest ) |
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| 272 | os << "\r" << string( indent + 4 , ' ') << "the rest" << endl; |
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| 273 | else |
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| 274 | os << "\r" << string( indent + 4 , ' ') << ">>> Error: this catch clause must have a declaration <<<" << endl; |
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[51b7345] | 275 | } |
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| 276 | |
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| 277 | |
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[0dd3a2f] | 278 | FinallyStmt::FinallyStmt( std::list<Label> labels, CompoundStmt *_block ) : Statement( labels ), block( _block ) { |
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| 279 | assert( labels.empty() ); // finally statement cannot be labeled |
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[51b7345] | 280 | } |
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| 281 | |
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[0dd3a2f] | 282 | FinallyStmt::~FinallyStmt() { |
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| 283 | delete block; |
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[51b7345] | 284 | } |
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| 285 | |
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| 286 | void FinallyStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 287 | os << "\r" << string( indent, ' ') << "Finally Statement" << endl; |
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| 288 | os << string( indent + 2, ' ') << "with block: " << endl; |
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| 289 | block->print( os, indent + 4 ); |
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[51b7345] | 290 | } |
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| 291 | |
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| 292 | NullStmt::NullStmt( std::list<Label> labels ) : CompoundStmt( labels ) {} |
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| 293 | NullStmt::NullStmt() : CompoundStmt( std::list<Label>() ) {} |
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| 294 | NullStmt::~NullStmt() {} |
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| 295 | |
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| 296 | void NullStmt::print( std::ostream &os, int indent ) { |
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[0dd3a2f] | 297 | os << "\r" << string( indent, ' ') << "Null Statement" << endl ; |
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[51b7345] | 298 | } |
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| 299 | |
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[0dd3a2f] | 300 | // Local Variables: // |
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| 301 | // tab-width: 4 // |
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| 302 | // mode: c++ // |
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| 303 | // compile-command: "make install" // |
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| 304 | // End: // |
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