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Fixed index out of range error

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This commit is contained in:
Mike Farah 2024-09-29 15:06:34 +10:00
parent cc7738bb8d
commit 5df71072f5
3 changed files with 8 additions and 2 deletions
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3
go.mod
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@ -30,5 +30,6 @@ require (
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
)
go 1.21
go 1.21.0
toolchain go1.22.5

5
pkg/yqlib/expression_parser_test.go
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@ -11,6 +11,11 @@ func getExpressionParser() ExpressionParserInterface {
return ExpressionParser
}
func TestParserCreateMapColonOnItsOwn(t *testing.T) {
_, err := getExpressionParser().ParseExpression(":")
test.AssertResultComplex(t, "':' expects 2 args but there is 0", err.Error())
}
func TestParserNoMatchingCloseBracket(t *testing.T) {
_, err := getExpressionParser().ParseExpression(".cat | with(.;.bob")
test.AssertResultComplex(t, "bad expression - probably missing close bracket on WITH", err.Error())

2
pkg/yqlib/lexer.go
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@ -126,7 +126,7 @@ func handleToken(tokens []*token, index int, postProcessedTokens []*token) (toke
if tokenIsOpType(currentToken, createMapOpType) {
log.Debugf("tokenIsOpType: createMapOpType")
// check the previous token is '[', means we are slice, but dont have a first number
if tokens[index-1].TokenType == traverseArrayCollect {
if index > 0 && tokens[index-1].TokenType == traverseArrayCollect {
log.Debugf("previous token is : traverseArrayOpType")
// need to put the number 0 before this token, as that is implied
postProcessedTokens = append(postProcessedTokens, &token{TokenType: operationToken, Operation: createValueOperation(0, "0")})