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Merge pull request #407 from hashicorp/alisdair/for-expressions-over-marked-values 

hclsyntax: Fix for expressions over marked values
This commit is contained in:
Alisdair McDiarmid 2020-10-09 10:48:19 -04:00 committed by GitHub
parent a0de289809 39015a09a3
commit fec69aa0e2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 40 additions and 2 deletions
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7
hclsyntax/expression.go
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@ -971,6 +971,9 @@ func (e *ForExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnostics) {
if collVal.Type() == cty.DynamicPseudoType {
return cty.DynamicVal, diags
}
// Unmark collection before checking for iterability, because marked
// values cannot be iterated
collVal, marks := collVal.Unmark()
if !collVal.CanIterateElements() {
diags = append(diags, &hcl.Diagnostic{
Severity: hcl.DiagError,
@ -1178,7 +1181,7 @@ func (e *ForExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnostics) {
}
}
return cty.ObjectVal(vals), diags
return cty.ObjectVal(vals).WithMarks(marks), diags
} else {
// Producing a tuple
@ -1254,7 +1257,7 @@ func (e *ForExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnostics) {
return cty.DynamicVal, diags
}
return cty.TupleVal(vals), diags
return cty.TupleVal(vals).WithMarks(marks), diags
}
}

35
hclsyntax/expression_test.go
View File

@ -854,6 +854,41 @@ upper(
}),
0,
},
{ // Marked sequence results in a marked tuple
`[for x in things: x if x != ""]`,
&hcl.EvalContext{
Variables: map[string]cty.Value{
"things": cty.ListVal([]cty.Value{
cty.StringVal("a"),
cty.StringVal("b"),
cty.StringVal(""),
cty.StringVal("c"),
}).Mark("sensitive"),
},
},
cty.TupleVal([]cty.Value{
cty.StringVal("a"),
cty.StringVal("b"),
cty.StringVal("c"),
}).Mark("sensitive"),
0,
},
{ // Marked map results in a marked object
`{for k, v in things: k => !v}`,
&hcl.EvalContext{
Variables: map[string]cty.Value{
"things": cty.MapVal(map[string]cty.Value{
"a": cty.True,
"b": cty.False,
}).Mark("sensitive"),
},
},
cty.ObjectVal(map[string]cty.Value{
"a": cty.False,
"b": cty.True,
}).Mark("sensitive"),
0,
},
{
`[{name: "Steve"}, {name: "Ermintrude"}].*.name`,