/
SprintfExtension.groovy
48 lines (48 loc) · 2.26 KB
/
SprintfExtension.groovy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
afterMethodCall { mc ->
def method = getTargetMethod(mc)
if (isExtensionMethod(method) && method.name == 'sprintf') {
def argList = getArguments(mc)
if (argList && isConstantExpression(argList[0])) {
def pattern = argList[0].text
def codes = pattern.replaceAll(/[^%]*%([a-zA-Z]+)/, '_$1').tokenize('_')
def args = getArgumentTypes(argList).toList().tail()
if (args.size() != codes.size()) {
addStaticTypeError("Found ${args.size()} parameters for sprintf call with ${codes.size()} conversion code placeholders in the format string", argList)
return
}
def codeTypes = codes.collect { code ->
switch (code) {
case 's': return STRING_TYPE
case 'd': return int_TYPE
case 'tF': return classNodeFor(Date)
default: return null
}
}
if (codeTypes != args) {
addStaticTypeError("Parameter types didn't match types expected from the format String: ", argList)
(0..<args.size()).findAll { args[it] != codeTypes[it] }.each { n ->
String msg = "For placeholder ${n + 1} [%${codes[n]}] expected '${codeTypes[n].toString(false)}' but was '${args[n].toString(false)}'"
addStaticTypeError(msg, argList.getExpression(n + 1))
}
}
}
}
}