source: src/CodeGen/OperatorTable.cc@ e25707d

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since e25707d was bff227f, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Refactor operator predicates into OperatorTable.cc
  • Property mode set to 100644
File size: 5.1 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// OperatorTable.cc --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Tue Dec 13 14:33:05 2016
13// Update Count : 10
14//
15
16#include <algorithm> // for any_of
17#include <map> // for map, _Rb_tree_const_iterator, map<>::const_iterator
18#include <utility> // for pair
19
20#include "OperatorTable.h"
21
22namespace CodeGen {
23 namespace {
24 const OperatorInfo tableValues[] = {
25 { "?[?]", "", "_operator_index", OT_INDEX },
26 { "?{}", "=", "_constructor", OT_CTOR },
27 { "^?{}", "", "_destructor", OT_DTOR },
28 { "?()", "", "_operator_call", OT_CALL },
29 { "?++", "++", "_operator_postincr", OT_POSTFIXASSIGN },
30 { "?--", "--", "_operator_postdecr", OT_POSTFIXASSIGN },
31 { "*?", "*", "_operator_deref", OT_PREFIX },
32 { "+?", "+", "_operator_unaryplus", OT_PREFIX },
33 { "-?", "-", "_operator_unaryminus", OT_PREFIX },
34 { "~?", "~", "_operator_bitnot", OT_PREFIX },
35 { "!?", "!", "_operator_lognot", OT_PREFIX },
36 { "++?", "++", "_operator_preincr", OT_PREFIXASSIGN },
37 { "--?", "--", "_operator_predecr", OT_PREFIXASSIGN },
38 { "?*?", "*", "_operator_multiply", OT_INFIX },
39 { "?/?", "/", "_operator_divide", OT_INFIX },
40 { "?%?", "%", "_operator_modulus", OT_INFIX },
41 { "?+?", "+", "_operator_add", OT_INFIX },
42 { "?-?", "-", "_operator_subtract", OT_INFIX },
43 { "?<<?", "<<", "_operator_shiftleft", OT_INFIX },
44 { "?>>?", ">>", "_operator_shiftright", OT_INFIX },
45 { "?<?", "<", "_operator_less", OT_INFIX },
46 { "?>?", ">", "_operator_greater", OT_INFIX },
47 { "?<=?", "<=", "_operator_lessequal", OT_INFIX },
48 { "?>=?", ">=", "_operator_greaterequal", OT_INFIX },
49 { "?==?", "==", "_operator_equal", OT_INFIX },
50 { "?!=?", "!=", "_operator_notequal", OT_INFIX },
51 { "?&?", "&", "_operator_bitand", OT_INFIX },
52 { "?^?", "^", "_operator_bitxor", OT_INFIX },
53 { "?|?", "|", "_operator_bitor", OT_INFIX },
54 { "?=?", "=", "_operator_assign", OT_INFIXASSIGN },
55 { "?*=?", "*=", "_operator_multassign", OT_INFIXASSIGN },
56 { "?/=?", "/=", "_operator_divassign", OT_INFIXASSIGN },
57 { "?%=?", "%=", "_operator_modassign", OT_INFIXASSIGN },
58 { "?+=?", "+=", "_operator_addassign", OT_INFIXASSIGN },
59 { "?-=?", "-=", "_operator_subassign", OT_INFIXASSIGN },
60 { "?<<=?", "<<=", "_operator_shiftleftassign", OT_INFIXASSIGN },
61 { "?>>=?", ">>=", "_operator_shiftrightassign", OT_INFIXASSIGN },
62 { "?&=?", "&=", "_operator_bitandassign", OT_INFIXASSIGN },
63 { "?^=?", "^=", "_operator_bitxorassign", OT_INFIXASSIGN },
64 { "?|=?", "|=", "_operator_bitorassign", OT_INFIXASSIGN },
65 { "&&", "&&", "&&", OT_LABELADDRESS },
66 { "0", "0", "_constant_zero", OT_CONSTANT },
67 { "1", "1", "_constant_one", OT_CONSTANT }
68 };
69
70 const int numOps = sizeof( tableValues ) / sizeof( OperatorInfo );
71
72 std::map< std::string, OperatorInfo > table;
73
74 void initialize() {
75 for ( int i = 0; i < numOps; ++i ) {
76 table[ tableValues[i].inputName ] = tableValues[i];
77 } // for
78 }
79 } // namespace
80
81 bool operatorLookup( std::string funcName, OperatorInfo &info ) {
82 static bool init = false;
83 if ( ! init ) {
84 initialize();
85 } // if
86 std::map< std::string, OperatorInfo >::const_iterator i = table.find( funcName );
87 if ( i == table.end() ) {
88 return false;
89 } else {
90 info = i->second;
91 return true;
92 } // if
93 }
94
95 /// determines if a given function name is one of the operator types between [begin, end)
96 template<typename Iterator>
97 bool isOperatorType( const std::string & funcName, Iterator begin, Iterator end ) {
98 OperatorInfo info;
99 if ( operatorLookup( funcName, info ) ) {
100 return std::find( begin, end, info.type ) != end;
101 }
102 return false;
103 }
104
105 bool isConstructor( const std::string & funcName ) {
106 static OperatorType types[] = { OT_CTOR };
107 return isOperatorType( funcName, std::begin(types), std::end(types) );
108 }
109
110 bool isDestructor( const std::string & funcName ) {
111 static OperatorType types[] = { OT_DTOR };
112 return isOperatorType( funcName, std::begin(types), std::end(types) );
113 }
114
115 bool isAssignment( const std::string & funcName ) {
116 static OperatorType types[] = { OT_PREFIXASSIGN, OT_POSTFIXASSIGN, OT_INFIXASSIGN };
117 return isOperatorType( funcName, std::begin(types), std::end(types) );
118 }
119
120 bool isCtorDtor( const std::string & funcName ) {
121 static OperatorType types[] = { OT_CTOR, OT_DTOR };
122 return isOperatorType( funcName, std::begin(types), std::end(types) );
123 }
124
125 bool isCtorDtorAssign( const std::string & funcName ) {
126 static OperatorType types[] = { OT_CTOR, OT_DTOR, OT_PREFIXASSIGN, OT_POSTFIXASSIGN, OT_INFIXASSIGN };
127 return isOperatorType( funcName, std::begin(types), std::end(types) );
128 }
129} // namespace CodeGen
130
131// Local Variables: //
132// tab-width: 4 //
133// mode: c++ //
134// compile-command: "make install" //
135// End: //
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