source: libcfa/src/fstream.hfa @ aec68b6

arm-ehjacob/cs343-translationnew-ast-unique-expr
Last change on this file since aec68b6 was b431515, checked in by Peter A. Buhr <pabuhr@…>, 6 months ago

formatting, rename public enum sepSize to ofstream_sepSize, change return type to bool for function fail

  • Property mode set to 100644
File size: 3.9 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// fstream --
8//
9// Author           : Peter A. Buhr
10// Created On       : Wed May 27 17:56:53 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Apr 24 09:04:03 2021
13// Update Count     : 219
14//
15
16#pragma once
17
18#include "bits/weakso_locks.hfa"                                                // mutex_lock
19#include "iostream.hfa"
20#include <exception.hfa>
21
22
23// *********************************** ofstream ***********************************
24
25
26enum { ofstream_sepSize = 16 };
27struct ofstream {
28        void * file$;
29        bool sepDefault$;
30        bool sepOnOff$;
31        bool nlOnOff$;
32        bool prt$;                                                                                      // print text
33        bool sawNL$;
34        const char * sepCur$;
35        char separator$[ofstream_sepSize];
36        char tupleSeparator$[ofstream_sepSize];
37        multiple_acquisition_lock lock$;
38        bool acquired$;
39}; // ofstream
40
41// Satisfies ostream
42
43// private
44bool sepPrt$( ofstream & );
45void sepReset$( ofstream & );
46void sepReset$( ofstream &, bool );
47const char * sepGetCur$( ofstream & );
48void sepSetCur$( ofstream &, const char [] );
49bool getNL$( ofstream & );
50void setNL$( ofstream &, bool );
51bool getANL$( ofstream & );
52bool getPrt$( ofstream & );
53void setPrt$( ofstream &, bool );
54
55// public
56void sepOn( ofstream & );
57void sepOff( ofstream & );
58bool sepDisable( ofstream & );
59bool sepEnable( ofstream & );
60void nlOn( ofstream & );
61void nlOff( ofstream & );
62
63const char * sepGet( ofstream & );
64void sepSet( ofstream &, const char [] );
65const char * sepGetTuple( ofstream & );
66void sepSetTuple( ofstream &, const char [] );
67
68void ends( ofstream & );
69int fmt( ofstream &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
70
71bool fail( ofstream & );
72int flush( ofstream & );
73void open( ofstream &, const char name[], const char mode[] );
74void open( ofstream &, const char name[] );
75void close( ofstream & );
76ofstream & write( ofstream &, const char data[], size_t size );
77
78void acquire( ofstream & );
79void release( ofstream & );
80
81struct osacquire {
82        ofstream & os;
83};
84void ?{}( osacquire & acq, ofstream & );
85void ^?{}( osacquire & acq );
86
87void ?{}( ofstream & );
88void ?{}( ofstream &, const char name[], const char mode[] );
89void ?{}( ofstream &, const char name[] );
90void ^?{}( ofstream & );
91
92extern ofstream & sout, & stdout, & serr, & stderr;             // aliases
93extern ofstream & exit, & abort;
94
95
96// *********************************** ifstream ***********************************
97
98
99struct ifstream {
100        void * file$;
101        bool nlOnOff$;
102        multiple_acquisition_lock lock$;
103        bool acquired$;
104}; // ifstream
105
106// Satisfies istream
107
108// public
109void nlOn( ifstream & );
110void nlOff( ifstream & );
111bool getANL( ifstream & );
112void ends( ifstream & );
113bool fail( ifstream & is );
114int eof( ifstream & is );
115void open( ifstream & is, const char name[], const char mode[] );
116void open( ifstream & is, const char name[] );
117void close( ifstream & is );
118ifstream & read( ifstream & is, char * data, size_t size );
119ifstream & ungetc( ifstream & is, char c );
120int fmt( ifstream &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
121void acquire( ifstream & is );
122void release( ifstream & is );
123
124struct isacquire {
125        ifstream & is;
126};
127void ?{}( isacquire & acq, ifstream & is );
128void ^?{}( isacquire & acq );
129
130void ?{}( ifstream & is );
131void ?{}( ifstream & is, const char name[], const char mode[] );
132void ?{}( ifstream & is, const char name[] );
133void ^?{}( ifstream & is );
134
135extern ifstream & sin, & stdin;                                                 // aliases
136
137
138// *********************************** exceptions ***********************************
139
140
141EHM_EXCEPTION(Open_Failure)(
142        union {
143                ofstream * ostream;
144                ifstream * istream;
145        };
146        // TEMPORARY: need polymorphic exceptions
147        int tag;                                                                                        // 1 => ostream; 0 => istream
148);
149
150void ?{}( Open_Failure & this, ofstream & );
151void ?{}( Open_Failure & this, ifstream & );
152
153// Local Variables: //
154// mode: c //
155// tab-width: 4 //
156// End: //
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