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Fixed variable precedence

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This commit is contained in:
Mike Farah 2021-02-04 12:39:04 +11:00
parent 6efe4c4797
commit 691efadfac
3 changed files with 21 additions and 4 deletions
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7
pkg/yqlib/expression_processing_test.go
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@ -28,10 +28,15 @@ var pathTests = []struct {
append(make([]interface{}, 0), "EMPTY", "COLLECT_OBJECT", "SHORT_PIPE"), append(make([]interface{}, 0), "EMPTY", "COLLECT_OBJECT", "SHORT_PIPE"),
}, },
{ {
`[{}]`, // [{}] `[{}]`,
append(make([]interface{}, 0), "[", "{", "EMPTY", "}", "]"), append(make([]interface{}, 0), "[", "{", "EMPTY", "}", "]"),
append(make([]interface{}, 0), "EMPTY", "COLLECT_OBJECT", "SHORT_PIPE", "COLLECT", "SHORT_PIPE"), append(make([]interface{}, 0), "EMPTY", "COLLECT_OBJECT", "SHORT_PIPE", "COLLECT", "SHORT_PIPE"),
}, },
{
`.realnames as $names | $names["anon"]`,
append(make([]interface{}, 0), "realnames", "ASSIGN_VARIABLE", "GET_VARIABLE", "PIPE", "GET_VARIABLE", "TRAVERSE_ARRAY", "[", "anon (string)", "]"),
append(make([]interface{}, 0), "realnames", "GET_VARIABLE", "ASSIGN_VARIABLE", "GET_VARIABLE", "anon (string)", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "PIPE"),
},
{ {
`.b[.a]`, `.b[.a]`,
append(make([]interface{}, 0), "b", "TRAVERSE_ARRAY", "[", "a", "]"), append(make([]interface{}, 0), "b", "TRAVERSE_ARRAY", "[", "a", "]"),

6
pkg/yqlib/lib.go
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@ -53,7 +53,7 @@ var shortPipeOpType = &operationType{Type: "SHORT_PIPE", NumArgs: 2, Precedence:
var lengthOpType = &operationType{Type: "LENGTH", NumArgs: 0, Precedence: 50, Handler: lengthOperator} var lengthOpType = &operationType{Type: "LENGTH", NumArgs: 0, Precedence: 50, Handler: lengthOperator}
var collectOpType = &operationType{Type: "COLLECT", NumArgs: 0, Precedence: 50, Handler: collectOperator} var collectOpType = &operationType{Type: "COLLECT", NumArgs: 0, Precedence: 50, Handler: collectOperator}
var splitDocumentOpType = &operationType{Type: "SPLIT_DOC", NumArgs: 0, Precedence: 50, Handler: splitDocumentOperator} var splitDocumentOpType = &operationType{Type: "SPLIT_DOC", NumArgs: 0, Precedence: 50, Handler: splitDocumentOperator}
var getVariableOpType = &operationType{Type: "GET_VARIABLE", NumArgs: 0, Precedence: 50, Handler: getVariableOperator} var getVariableOpType = &operationType{Type: "GET_VARIABLE", NumArgs: 0, Precedence: 55, Handler: getVariableOperator}
var getStyleOpType = &operationType{Type: "GET_STYLE", NumArgs: 0, Precedence: 50, Handler: getStyleOperator} var getStyleOpType = &operationType{Type: "GET_STYLE", NumArgs: 0, Precedence: 50, Handler: getStyleOperator}
var getTagOpType = &operationType{Type: "GET_TAG", NumArgs: 0, Precedence: 50, Handler: getTagOperator} var getTagOpType = &operationType{Type: "GET_TAG", NumArgs: 0, Precedence: 50, Handler: getTagOperator}
var getCommentOpType = &operationType{Type: "GET_COMMENT", NumArgs: 0, Precedence: 50, Handler: getCommentsOperator} var getCommentOpType = &operationType{Type: "GET_COMMENT", NumArgs: 0, Precedence: 50, Handler: getCommentsOperator}
@ -72,10 +72,10 @@ var splitStringOpType = &operationType{Type: "SPLIT", NumArgs: 1, Precedence: 50
var keysOpType = &operationType{Type: "KEYS", NumArgs: 0, Precedence: 50, Handler: keysOperator} var keysOpType = &operationType{Type: "KEYS", NumArgs: 0, Precedence: 50, Handler: keysOperator}
var collectObjectOpType = &operationType{Type: "COLLECT_OBJECT", NumArgs: 0, Precedence: 50, Handler: collectObjectOperator} var collectObjectOpType = &operationType{Type: "COLLECT_OBJECT", NumArgs: 0, Precedence: 50, Handler: collectObjectOperator}
var traversePathOpType = &operationType{Type: "TRAVERSE_PATH", NumArgs: 0, Precedence: 51, Handler: traversePathOperator} var traversePathOpType = &operationType{Type: "TRAVERSE_PATH", NumArgs: 0, Precedence: 55, Handler: traversePathOperator}
var traverseArrayOpType = &operationType{Type: "TRAVERSE_ARRAY", NumArgs: 2, Precedence: 50, Handler: traverseArrayOperator} var traverseArrayOpType = &operationType{Type: "TRAVERSE_ARRAY", NumArgs: 2, Precedence: 50, Handler: traverseArrayOperator}
var selfReferenceOpType = &operationType{Type: "SELF", NumArgs: 0, Precedence: 51, Handler: selfOperator} var selfReferenceOpType = &operationType{Type: "SELF", NumArgs: 0, Precedence: 55, Handler: selfOperator}
var valueOpType = &operationType{Type: "VALUE", NumArgs: 0, Precedence: 50, Handler: valueOperator} var valueOpType = &operationType{Type: "VALUE", NumArgs: 0, Precedence: 50, Handler: valueOperator}
var envOpType = &operationType{Type: "ENV", NumArgs: 0, Precedence: 50, Handler: envOperator} var envOpType = &operationType{Type: "ENV", NumArgs: 0, Precedence: 50, Handler: envOperator}
var notOpType = &operationType{Type: "NOT", NumArgs: 0, Precedence: 50, Handler: notOperator} var notOpType = &operationType{Type: "NOT", NumArgs: 0, Precedence: 50, Handler: notOperator}

12
pkg/yqlib/operator_variables_test.go
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@ -22,6 +22,18 @@ var variableOperatorScenarios = []expressionScenario{
"D0, P[1], (!!str)::dog\n", "D0, P[1], (!!str)::dog\n",
}, },
}, },
{
description: "Using variables as a lookup",
document: `{"posts": [{"title": "Frist psot", "author": "anon"},
{"title": "A well-written article", "author": "person1"}],
"realnames": {"anon": "Anonymous Coward",
"person1": "Person McPherson"}}`,
expression: `.realnames as $names | .posts[] | {"title":.title, "author": $names[.author]}`,
expected: []string{
"D0, P[], (!!map)::title: \"Frist psot\"\nauthor: \"Anonymous Coward\"\n",
"D0, P[], (!!map)::title: \"A well-written article\"\nauthor: \"Person McPherson\"\n",
},
},
} }
func TestVariableOperatorScenarios(t *testing.T) { func TestVariableOperatorScenarios(t *testing.T) {