1 files changed, 103 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hcl2/hcl/diagnostic.go b/vendor/github.com/hashicorp/hcl2/hcl/diagnostic.go
new file mode 100644
index 0000000..6ecf744
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl2/hcl/diagnostic.go
@@ -0,0 +1,103 @@
+package hcl
+
+import (
+        "fmt"
+)
+
+// DiagnosticSeverity represents the severity of a diagnostic.
+type DiagnosticSeverity int
+
+const (
+        // DiagInvalid is the invalid zero value of DiagnosticSeverity
+        DiagInvalid DiagnosticSeverity = iota
+
+        // DiagError indicates that the problem reported by a diagnostic prevents
+        // further progress in parsing and/or evaluating the subject.
+        DiagError
+
+        // DiagWarning indicates that the problem reported by a diagnostic warrants
+        // user attention but does not prevent further progress. It is most
+        // commonly used for showing deprecation notices.
+        DiagWarning
+)
+
+// Diagnostic represents information to be presented to a user about an
+// error or anomoly in parsing or evaluating configuration.
+type Diagnostic struct {
+        Severity DiagnosticSeverity
+
+        // Summary and detail contain the English-language description of the
+        // problem. Summary is a terse description of the general problem and
+        // detail is a more elaborate, often-multi-sentence description of
+        // the probem and what might be done to solve it.
+        Summary string
+        Detail  string
+        Subject *Range
+        Context *Range
+}
+
+// Diagnostics is a list of Diagnostic instances.
+type Diagnostics []*Diagnostic
+
+// error implementation, so that diagnostics can be returned via APIs
+// that normally deal in vanilla Go errors.
+//
+// This presents only minimal context about the error, for compatibility
+// with usual expectations about how errors will present as strings.
+func (d *Diagnostic) Error() string {
+        return fmt.Sprintf("%s: %s; %s", d.Subject, d.Summary, d.Detail)
+}
+
+// error implementation, so that sets of diagnostics can be returned via
+// APIs that normally deal in vanilla Go errors.
+func (d Diagnostics) Error() string {
+        count := len(d)
+        switch {
+        case count == 0:
+                return "no diagnostics"
+        case count == 1:
+                return d[0].Error()
+        default:
+                return fmt.Sprintf("%s, and %d other diagnostic(s)", d[0].Error(), count-1)
+        }
+}
+
+// Append appends a new error to a Diagnostics and return the whole Diagnostics.
+//
+// This is provided as a convenience for returning from a function that
+// collects and then returns a set of diagnostics:
+//
+//     return nil, diags.Append(&hcl.Diagnostic{ ... })
+//
+// Note that this modifies the array underlying the diagnostics slice, so
+// must be used carefully within a single codepath. It is incorrect (and rude)
+// to extend a diagnostics created by a different subsystem.
+func (d Diagnostics) Append(diag *Diagnostic) Diagnostics {
+        return append(d, diag)
+}
+
+// Extend concatenates the given Diagnostics with the receiver and returns
+// the whole new Diagnostics.
+//
+// This is similar to Append but accepts multiple diagnostics to add. It has
+// all the same caveats and constraints.
+func (d Diagnostics) Extend(diags Diagnostics) Diagnostics {
+        return append(d, diags...)
+}
+
+// HasErrors returns true if the receiver contains any diagnostics of
+// severity DiagError.
+func (d Diagnostics) HasErrors() bool {
+        for _, diag := range d {
+                if diag.Severity == DiagError {
+                        return true
+                }
+        }
+        return false
+}
+
+// A DiagnosticWriter emits diagnostics somehow.
+type DiagnosticWriter interface {
+        WriteDiagnostic(*Diagnostic) error
+        WriteDiagnostics(Diagnostics) error
+}