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45f3912215
There is no reason for external users to directly depend on parser. It had a few random things exported as well, namely errors and "children" functions (helpers for AST traversal). It was easy to extract the errors package, but I needed to leave children in parser for now. The errors package was also made internal, but it's a candidate for making it public again potentially (if someone wants to display error messages just like us). For now it's probably too incomplete anyway. This change has a potential of breaking the existing users since we technically remove public APIs. These were not needed or even helpful for actually running Jsonnet code, but perhaps someone used them anyway.
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
/*
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Copyright 2016 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package errors
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import (
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"fmt"
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"github.com/google/go-jsonnet/ast"
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)
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//////////////////////////////////////////////////////////////////////////////
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// StaticError
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// StaticError represents an error during parsing/lexing or static analysis.
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// TODO(sbarzowski) Make it possible to have multiple static errors and warnings
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type StaticError struct {
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Loc ast.LocationRange
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Msg string
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}
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// MakeStaticErrorMsg returns a StaticError with a message.
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func MakeStaticErrorMsg(msg string) StaticError {
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return StaticError{Msg: msg}
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}
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// MakeStaticError returns a StaticError with a message and a LocationRange.
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func MakeStaticError(msg string, lr ast.LocationRange) StaticError {
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return StaticError{Msg: msg, Loc: lr}
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}
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// Error returns the string representation of a StaticError.
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func (err StaticError) Error() string {
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loc := ""
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if err.Loc.IsSet() {
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loc = err.Loc.String()
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}
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return fmt.Sprintf("%v %v", loc, err.Msg)
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}
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