source: src/Common/SemanticError.h @ 98538288

arm-ehjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since 98538288 was 98538288, checked in by Thierry Delisle <tdelisle@…>, 2 years ago

Moved VerifyCtorDtorAssign? up and changed return type check to support the change.
fixes #158?

  • 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// SemanticError.h --
8//
9// Author           : Thierry Delisle
10// Created On       : Mon May 18 07:44:20 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Jul 19 10:09:17 2018
13// Update Count     : 31
14//
15
16#pragma once
17
18#include "ErrorObjects.h"
19#include "AST/Node.hpp"
20#include <cstring>
21
22//-----------------------------------------------------------------------------
23// Errors
24
25extern bool SemanticErrorThrow;
26
27__attribute__((noreturn)) void SemanticError( CodeLocation location, std::string error );
28
29template< typename T >
30__attribute__((noreturn)) static inline void SemanticError( const T * obj, const std::string & error ) {
31        SemanticError( obj->location, toString( error, obj ) );
32}
33
34template< typename T >
35__attribute__((noreturn)) static inline void SemanticError( CodeLocation location, const T * obj, const std::string & error ) {
36        SemanticError( location, toString( error, obj ) );
37}
38
39//-----------------------------------------------------------------------------
40// Warnings
41
42enum class Severity {
43        Suppress,
44        Warn,
45        Error,
46        Critical
47};
48
49struct WarningData {
50        const char * const name;
51        const Severity default_severity;
52        const char * const message;
53};
54
55constexpr WarningData WarningFormats[] = {
56        {"self-assign"            , Severity::Warn    , "self assignment of expression: %s"                          },
57        {"reference-conversion"   , Severity::Warn    , "rvalue to reference conversion of rvalue: %s"               },
58        {"qualifiers-zero_t-one_t", Severity::Warn    , "questionable use of type qualifier %s with %s"              },
59        {"aggregate-forward-decl" , Severity::Warn    , "forward declaration of nested aggregate: %s"                },
60        {"superfluous-decl"       , Severity::Warn    , "declaration does not allocate storage: %s"                  },
61        {"gcc-attributes"         , Severity::Warn    , "invalid attribute: %s"                                      },
62        {"c++-like-copy"          , Severity::Warn    , "Constructor from reference is not a valid copy constructor" },
63};
64
65enum class Warning {
66        SelfAssignment,
67        RvalueToReferenceConversion,
68        BadQualifiersZeroOne,
69        AggrForwardDecl,
70        SuperfluousDecl,
71        GccAttributes,
72        CppCopy,
73        NUMBER_OF_WARNINGS, // This MUST be the last warning
74};
75
76static_assert(
77        (sizeof(WarningFormats) / sizeof(WarningFormats[0])) == ((unsigned long)Warning::NUMBER_OF_WARNINGS),
78        "Each warning format should have a corresponding warning enum value"
79);
80
81#define SemanticWarning(loc, id, ...) SemanticWarningImpl(loc, id, WarningFormats[(int)id].message, __VA_ARGS__)
82
83void SemanticWarningImpl (CodeLocation loc, Warning warn, const char * const fmt, ...) __attribute__((format(printf, 3, 4)));
84
85void SemanticWarning_SuppressAll   ();
86void SemanticWarning_EnableAll     ();
87void SemanticWarning_WarningAsError();
88void SemanticWarning_Set           (const char * const name, Severity s);
89
90// SKULLDUGGERY: cfa.cc is built before SemanticError.cc but needs this routine.
91static inline bool SemanticWarning_Exist(const char * const name) {
92        for ( const auto & w : WarningFormats ) {
93                if ( std::strcmp( name, w.name ) == 0 ) return true;
94        }
95        return false;
96}
97
98//-----------------------------------------------------------------------------
99// Helpers
100namespace ErrorHelpers {
101        enum class Colors {
102                Never = false,
103                Always = true,
104                Auto,
105        };
106
107        extern Colors colors;
108
109        const std::string & error_str();
110        const std::string & warning_str();
111        const std::string & bold_ttycode();
112        const std::string & reset_font_ttycode();
113
114        std::string make_bold( const std::string & str );
115
116        struct bold {};
117        std::ostream & operator<<(std::ostream & os, bold);
118
119        struct reset_font {};
120        std::ostream & operator<<(std::ostream & os, reset_font);
121}
122
123// Local Variables: //
124// tab-width: 4 //
125// mode: c++ //
126// compile-command: "make install" //
127// End: //
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