source: src/Common/CodeLocation.h @ 0d070ca

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 0d070ca was d48e529, checked in by Rob Schluntz <rschlunt@…>, 7 years ago

Begin to introduce support for yylloc in the parser and extend CodeLocation? to include start column and end column/line number information

  • Property mode set to 100644
File size: 1.6 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// CodeLocation.h --
8//
9// Author           : Andrew Beach
10// Created On       : Thr Aug 17 11:23:00 2017
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon Aug 28 12:46:01 2017
13// Update Count     : 2
14//
15
16#pragma once
17
18#include <iostream>
19#include <string>
20
21struct CodeLocation {
22        int first_line = -1, first_column = -1, last_line = -1, last_column = -1;
23        std::string filename = "";
24
25        /// Create a new unset CodeLocation.
26        CodeLocation() = default;
27
28        /// Create a new CodeLocation with the given values.
29        CodeLocation( const char* filename, int lineno )
30                : first_line( lineno )
31                , filename(filename ? filename : "")
32        {}
33
34        CodeLocation( const CodeLocation& rhs ) = default;
35
36        bool isSet () const {
37                return -1 != first_line;
38        }
39
40        bool isUnset () const {
41                return !isSet();
42        }
43
44        bool followedBy( CodeLocation const & other, int seperation ) {
45                return (first_line + seperation == other.first_line &&
46                        filename == other.filename);
47        }
48
49        bool operator==( CodeLocation const & other ) {
50                return followedBy( other, 0 );
51        }
52
53        bool operator!=( CodeLocation const & other ) {
54                return !(*this == other);
55        }
56};
57
58inline std::ostream & operator<<( std::ostream & out, const CodeLocation & location ) {
59        // Column number ":1" allows IDEs to parse the error message and position the cursor in the source text.
60        return location.isSet() ? out << location.filename << ":" << location.first_line << ":1 " : out;
61}
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