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
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.android.protolog.tool
import com.github.javaparser.ast.CompilationUnit
import com.github.javaparser.ast.ImportDeclaration
import com.github.javaparser.ast.expr.BinaryExpr
import com.github.javaparser.ast.expr.Expression
import com.github.javaparser.ast.expr.StringLiteralExpr
object CodeUtils {
/**
* Returns a stable hash of a string.
* We reimplement String::hashCode() for readability reasons.
*/
fun hash(position: String, messageString: String, logLevel: LogLevel, logGroup: LogGroup): Int {
return (position + messageString + logLevel.name + logGroup.name)
.map { c -> c.toInt() }.reduce { h, c -> h * 31 + c }
}
fun checkWildcardStaticImported(code: CompilationUnit, className: String, fileName: String) {
code.findAll(ImportDeclaration::class.java)
.forEach { im ->
if (im.isStatic && im.isAsterisk && im.name.toString() == className) {
throw IllegalImportException("Wildcard static imports of $className " +
"methods are not supported.", ParsingContext(fileName, im))
}
}
}
fun isClassImportedOrSamePackage(code: CompilationUnit, className: String): Boolean {
val packageName = className.substringBeforeLast('.')
return code.packageDeclaration.isPresent &&
code.packageDeclaration.get().nameAsString == packageName ||
code.findAll(ImportDeclaration::class.java)
.any { im ->
!im.isStatic &&
((!im.isAsterisk && im.name.toString() == className) ||
(im.isAsterisk && im.name.toString() == packageName))
}
}
fun staticallyImportedMethods(code: CompilationUnit, className: String): Set<String> {
return code.findAll(ImportDeclaration::class.java)
.filter { im ->
im.isStatic &&
im.name.toString().substringBeforeLast('.') == className
}
.map { im -> im.name.toString().substringAfterLast('.') }.toSet()
}
fun concatMultilineString(expr: Expression, context: ParsingContext): String {
return when (expr) {
is StringLiteralExpr -> expr.asString()
is BinaryExpr -> when {
expr.operator == BinaryExpr.Operator.PLUS ->
concatMultilineString(expr.left, context) +
concatMultilineString(expr.right, context)
else -> throw InvalidProtoLogCallException(
"expected a string literal " +
"or concatenation of string literals, got: $expr", context)
}
else -> throw InvalidProtoLogCallException("expected a string literal " +
"or concatenation of string literals, got: $expr", context)
}
}
}
|
