1 // Copyright 2017 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "DiagnosticsBase.h"
16
17 #include <cassert>
18
19 namespace pp
20 {
21
~Diagnostics()22 Diagnostics::~Diagnostics()
23 {
24 }
25
report(ID id,const SourceLocation & loc,const std::string & text)26 void Diagnostics::report(ID id, const SourceLocation &loc, const std::string &text)
27 {
28 print(id, loc, text);
29 }
30
isError(ID id)31 bool Diagnostics::isError(ID id)
32 {
33 if ((id > PP_ERROR_BEGIN) && (id < PP_ERROR_END))
34 return true;
35
36 if ((id > PP_WARNING_BEGIN) && (id < PP_WARNING_END))
37 return false;
38
39 assert(false);
40 return true;
41 }
42
severity(ID id)43 Diagnostics::Severity Diagnostics::severity(ID id)
44 {
45 if((id > PP_ERROR_BEGIN) && (id < PP_ERROR_END))
46 return PP_ERROR;
47
48 if((id > PP_WARNING_BEGIN) && (id < PP_WARNING_END))
49 return PP_WARNING;
50
51 assert(false);
52 return PP_ERROR;
53 }
54
message(ID id)55 const char *Diagnostics::message(ID id)
56 {
57 switch (id)
58 {
59 // Errors begin.
60 case PP_INTERNAL_ERROR:
61 return "internal error";
62 case PP_OUT_OF_MEMORY:
63 return "out of memory";
64 case PP_INVALID_CHARACTER:
65 return "invalid character";
66 case PP_INVALID_NUMBER:
67 return "invalid number";
68 case PP_INTEGER_OVERFLOW:
69 return "integer overflow";
70 case PP_FLOAT_OVERFLOW:
71 return "float overflow";
72 case PP_TOKEN_TOO_LONG:
73 return "token too long";
74 case PP_INVALID_EXPRESSION:
75 return "invalid expression";
76 case PP_DIVISION_BY_ZERO:
77 return "division by zero";
78 case PP_EOF_IN_COMMENT:
79 return "unexpected end of file found in comment";
80 case PP_UNEXPECTED_TOKEN:
81 return "unexpected token";
82 case PP_DIRECTIVE_INVALID_NAME:
83 return "invalid directive name";
84 case PP_MACRO_NAME_RESERVED:
85 return "macro name is reserved";
86 case PP_MACRO_REDEFINED:
87 return "macro redefined";
88 case PP_MACRO_PREDEFINED_REDEFINED:
89 return "predefined macro redefined";
90 case PP_MACRO_PREDEFINED_UNDEFINED:
91 return "predefined macro undefined";
92 case PP_MACRO_UNTERMINATED_INVOCATION:
93 return "unterminated macro invocation";
94 case PP_MACRO_UNDEFINED_WHILE_INVOKED:
95 return "macro undefined while being invoked";
96 case PP_MACRO_TOO_FEW_ARGS:
97 return "Not enough arguments for macro";
98 case PP_MACRO_TOO_MANY_ARGS:
99 return "Too many arguments for macro";
100 case PP_MACRO_DUPLICATE_PARAMETER_NAMES:
101 return "duplicate macro parameter name";
102 case PP_MACRO_INVOCATION_CHAIN_TOO_DEEP:
103 return "macro invocation chain too deep";
104 case PP_CONDITIONAL_ENDIF_WITHOUT_IF:
105 return "unexpected #endif found without a matching #if";
106 case PP_CONDITIONAL_ELSE_WITHOUT_IF:
107 return "unexpected #else found without a matching #if";
108 case PP_CONDITIONAL_ELSE_AFTER_ELSE:
109 return "unexpected #else found after another #else";
110 case PP_CONDITIONAL_ELIF_WITHOUT_IF:
111 return "unexpected #elif found without a matching #if";
112 case PP_CONDITIONAL_ELIF_AFTER_ELSE:
113 return "unexpected #elif found after #else";
114 case PP_CONDITIONAL_UNTERMINATED:
115 return "unexpected end of file found in conditional block";
116 case PP_INVALID_EXTENSION_NAME:
117 return "invalid extension name";
118 case PP_INVALID_EXTENSION_BEHAVIOR:
119 return "invalid extension behavior";
120 case PP_INVALID_EXTENSION_DIRECTIVE:
121 return "invalid extension directive";
122 case PP_INVALID_VERSION_NUMBER:
123 return "invalid version number";
124 case PP_INVALID_VERSION_DIRECTIVE:
125 return "invalid version directive";
126 case PP_VERSION_NOT_FIRST_STATEMENT:
127 return "#version directive must occur before anything else, "
128 "except for comments and white space";
129 case PP_VERSION_NOT_FIRST_LINE_ESSL3:
130 return "#version directive must occur on the first line of the shader";
131 case PP_INVALID_LINE_NUMBER:
132 return "invalid line number";
133 case PP_INVALID_FILE_NUMBER:
134 return "invalid file number";
135 case PP_INVALID_LINE_DIRECTIVE:
136 return "invalid line directive";
137 case PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL3:
138 return "extension directive must occur before any non-preprocessor tokens in ESSL3";
139 case PP_UNDEFINED_SHIFT:
140 return "shift exponent is negative or undefined";
141 case PP_TOKENIZER_ERROR:
142 return "internal tokenizer error";
143 // Errors end.
144 // Warnings begin.
145 case PP_EOF_IN_DIRECTIVE:
146 return "unexpected end of file found in directive";
147 case PP_CONDITIONAL_UNEXPECTED_TOKEN:
148 return "unexpected token after conditional expression";
149 case PP_UNRECOGNIZED_PRAGMA:
150 return "unrecognized pragma";
151 case PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL1:
152 return "extension directive should occur before any non-preprocessor tokens";
153 case PP_WARNING_MACRO_NAME_RESERVED:
154 return "macro name with a double underscore is reserved - unintented behavior is "
155 "possible";
156 // Warnings end.
157 default:
158 assert(false);
159 return "";
160 }
161 }
162
163 } // namespace pp
164