-
Notifications
You must be signed in to change notification settings - Fork 1.1k
/
Config.java
169 lines (149 loc) · 4.88 KB
/
Config.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
* Copyright 2009 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.javascript.jscomp.parsing;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.javascript.jscomp.parsing.parser.FeatureSet;
import java.util.Set;
/**
* Configuration for the AST factory. Should be shared across AST creation
* for all files of a compilation process.
*
* @author nicksantos@google.com (Nick Santos)
*/
public final class Config {
/**
* Level of language strictness required for the input source code.
*/
public enum StrictMode {
STRICT, SLOPPY;
}
/** JavaScript mode */
public enum LanguageMode {
// Note that minimumRequiredFor() relies on these being defined in order from fewest features to
// most features, and _STRICT versions should be supplied after unspecified strictness.
ECMASCRIPT3(FeatureSet.ES3),
ECMASCRIPT5(FeatureSet.ES5),
ECMASCRIPT6(FeatureSet.ES6_MODULES),
ECMASCRIPT7(FeatureSet.ES7_MODULES),
ECMASCRIPT8(FeatureSet.ES8_MODULES),
TYPESCRIPT(FeatureSet.TYPESCRIPT),
;
public final FeatureSet featureSet;
LanguageMode(FeatureSet featureSet) {
this.featureSet = featureSet;
}
/**
* Returns the lowest {@link LanguageMode} that supports the specified feature.
*/
public static LanguageMode minimumRequiredFor(FeatureSet.Feature feature) {
// relies on the LanguageMode enums being in the right order
for (LanguageMode mode : LanguageMode.values()) {
if (mode.featureSet.has(feature)) {
return mode;
}
}
throw new IllegalStateException("No input language mode supports feature: " + feature);
}
}
/**
* Whether to parse the descriptions of JsDoc comments.
*/
public enum JsDocParsing {
TYPES_ONLY,
INCLUDE_DESCRIPTIONS_NO_WHITESPACE,
INCLUDE_DESCRIPTIONS_WITH_WHITESPACE;
boolean shouldParseDescriptions() {
return this != TYPES_ONLY;
}
}
final JsDocParsing parseJsDocDocumentation;
/**
* Whether to keep going after encountering a parse error.
*/
public enum RunMode {
STOP_AFTER_ERROR,
KEEP_GOING,
}
final RunMode keepGoing;
/**
* Recognized JSDoc annotations, mapped from their name to their internal
* representation.
*/
final ImmutableMap<String, Annotation> annotationNames;
/**
* Recognized names in a {@code @suppress} tag.
*/
final ImmutableSet<String> suppressionNames;
/**
* Accept ECMAScript5 syntax, such as getter/setter.
*/
final LanguageMode languageMode;
final StrictMode strictMode;
/**
* Parse inline source maps (//# sourceMappingURL=data:...).
*/
final boolean parseInlineSourceMaps;
Config(
Set<String> annotationWhitelist,
Set<String> suppressionNames,
LanguageMode languageMode,
StrictMode strictMode) {
this(
annotationWhitelist,
JsDocParsing.TYPES_ONLY,
RunMode.STOP_AFTER_ERROR,
suppressionNames,
languageMode,
false,
strictMode);
}
Config(
Set<String> annotationWhitelist,
JsDocParsing parseJsDocDocumentation,
RunMode keepGoing,
Set<String> suppressionNames,
LanguageMode languageMode,
boolean parseInlineSourceMaps,
StrictMode strictMode) {
this.parseInlineSourceMaps = parseInlineSourceMaps;
this.annotationNames = buildAnnotationNames(annotationWhitelist);
this.parseJsDocDocumentation = parseJsDocDocumentation;
this.keepGoing = keepGoing;
this.suppressionNames = ImmutableSet.copyOf(suppressionNames);
this.languageMode = languageMode;
this.strictMode = strictMode;
}
/**
* Create the annotation names from the user-specified
* annotation whitelist.
*/
private static ImmutableMap<String, Annotation> buildAnnotationNames(
Set<String> annotationWhitelist) {
ImmutableMap.Builder<String, Annotation> annotationBuilder =
ImmutableMap.builder();
annotationBuilder.putAll(Annotation.recognizedAnnotations);
for (String unrecognizedAnnotation : annotationWhitelist) {
if (!unrecognizedAnnotation.isEmpty()
&& !Annotation.recognizedAnnotations.containsKey(
unrecognizedAnnotation)) {
annotationBuilder.put(
unrecognizedAnnotation, Annotation.NOT_IMPLEMENTED);
}
}
return annotationBuilder.build();
}
}