source: src/ControlStruct/LabelGeneratorNew.cpp @ c8238c0

ADTast-experimental
Last change on this file since c8238c0 was 0bd46fd, checked in by Thierry Delisle <tdelisle@…>, 2 years ago

Fixed several warnings

  • Property mode set to 100644
File size: 1.8 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// LabelGeneratorNew.cpp --
8//
9// Author           : Peter A. Buhr
10// Created On       : Mon May 18 07:44:20 2015
11// Last Modified By : Andrew Beach
12// Last Modified On : Mon Mar 28 10:03:00 2022
13// Update Count     : 73
14//
15
16#include "LabelGeneratorNew.hpp"
17
18#include "AST/Attribute.hpp"
19#include "AST/Label.hpp"
20#include "AST/Stmt.hpp"
21
22using namespace std;
23using namespace ast;
24
25namespace ControlStruct {
26
27enum { size = 128 };
28
29static int newLabelPre( char buf[size], const string & suffix ) {
30        static int current = 0;
31
32        int len = snprintf( buf, size, "__L%d__%s", current++, suffix.c_str() );
33        assertf( len < size, "CFA Internal error: buffer overflow creating label" );
34        return len;
35}
36
37static Label newLabelPost( char buf[size], const CodeLocation & location ) {
38        Label ret_label( location, buf );
39        ret_label.attributes.push_back( new Attribute( "unused" ) );
40        return ret_label;
41}
42
43Label newLabel( const string & suffix, const Stmt * stmt ) {
44        // Buffer for string manipulation.
45        char buf[size];
46
47        assertf( stmt, "CFA internal error: parameter statement cannot be null pointer" );
48        int len = newLabelPre( buf, suffix );
49
50        // What does this do?
51        if ( ! stmt->labels.empty() ) {
52                len = snprintf( buf + len, size - len, "_%s__", stmt->labels.front().name.c_str() );
53                assertf( len < size - len, "CFA Internal error: buffer overflow creating label" );
54        } // if
55
56        return newLabelPost( buf, stmt->location );
57}
58
59Label newLabel( const string & suffix, const CodeLocation & location ) {
60        // Buffer for string manipulation.
61        char buf[size];
62
63        newLabelPre( buf, suffix );
64        return newLabelPost( buf, location );
65}
66
67} // namespace ControlStruct
68
69// Local Variables: //
70// mode: c++ //
71// End: //
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