source: src/SynTree/VarExprReplacer.cc @ 7543dec

arm-ehcleanup-dtorsjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since 7543dec was 7543dec, checked in by Rob Schluntz <rschlunt@…>, 4 years ago

Modify VarExprReplacer? to replace VariableExpr? with arbitrary expression

  • Property mode set to 100644
File size: 1.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 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// VarExprReplacer.h --
8//
9// Author           : Rob Schluntz
10// Created On       : Wed Jan 13 16:29:30 2016
11// Last Modified By : Rob Schluntz
12// Last Modified On : Fri May 13 11:27:52 2016
13// Update Count     : 5
14//
15
16#include <iostream>       // for operator<<, basic_ostream, ostream, basic_o...
17
18#include "Declaration.h"  // for operator<<, DeclarationWithType
19#include "Expression.h"   // for VariableExpr
20#include "VarExprReplacer.h"
21
22VarExprReplacer::VarExprReplacer( const DeclMap & declMap, bool debug ) : declMap( declMap ), debug( debug ) {}
23
24VarExprReplacer::~VarExprReplacer() {
25        for ( auto p : declMap ) {
26                delete p.second;
27        }
28}
29
30// replace variable with new node from decl map
31Expression * VarExprReplacer::mutate( VariableExpr * varExpr ) {
32        // xxx - assertions and parameters aren't accounted for in this... (i.e. they aren't inserted into the map when it's made, only DeclStmts are)
33        if ( declMap.count( varExpr->var ) ) {
34                Expression * expr = declMap.at( varExpr->var );
35                if ( debug ) {
36                        std::cerr << "replacing variable reference: " << (void*)varExpr->var << " " << varExpr->var << " with " << (void*)expr << " " << expr << std::endl;
37                }
38                delete varExpr;
39                return expr->clone();
40        }
41        return varExpr;
42}
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