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39 lines
843 B
Go
39 lines
843 B
Go
package parser
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import (
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"fmt"
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"github.com/hashicorp/hil/ast"
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"github.com/hashicorp/hil/scanner"
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)
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type ParseError struct {
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Message string
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Pos ast.Pos
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}
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func Errorf(pos ast.Pos, format string, args ...interface{}) error {
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return &ParseError{
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Message: fmt.Sprintf(format, args...),
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Pos: pos,
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}
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}
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// TokenErrorf is a convenient wrapper around Errorf that uses the
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// position of the given token.
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func TokenErrorf(token *scanner.Token, format string, args ...interface{}) error {
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return Errorf(token.Pos, format, args...)
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}
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func ExpectationError(wanted string, got *scanner.Token) error {
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return TokenErrorf(got, "expected %s but found %s", wanted, got)
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}
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func (e *ParseError) Error() string {
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return fmt.Sprintf("parse error at %s: %s", e.Pos, e.Message)
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}
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func (e *ParseError) String() string {
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return e.Error()
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}
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