Tweak adoc templates

- Updates path for generated docs
- Adds adoc codegen for expression and fixes expr_types.gen.adoc.tpl

pkg/codegen/assets/afunc.gen.adoc.tpl

@@ -0,0 +1,63 @@
+// This file is auto-generated.
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+// Definitions file that controls how this file is generated:
+{{- range .Definitions }}
+//  - {{ .Source }}
+{{- end }}
+
+{{ range $d := .Definitions }}
+= `{{ $d.Name }}`
+
+[cols="2m,4a,3a"]
+|===
+| Name | Description | I/O
+
+{{- range $f := .Functions }}
+
+{{- if eq $f.Kind "function" }}
+
+| [#fnc-{{ toLower $d.Name }}-{{ toLower $f.Name }}]#<<fnc-{{ toLower $d.Name }}-{{ toLower $f.Name }},{{ if $f.Meta.Short }}{{ $f.Meta.Short }}{{ else }}{{ $f.Name }}{{ end }}>>#
+| {{ if $f.Meta.Description }}{{ $f.Meta.Description }}{{ end }}
+| 
+{{- if gt (len $f.Params) 0}}
+.Parameters:
+{{- range $p := $f.Params}}
+* {{ if $p.Required }}#*# {{ end }}`{{ if $p.Meta }}
+   {{- if $p.Meta.Label }}
+      {{- $p.Meta.Label }}
+   {{- else }}
+      {{- $p.Name }}
+   {{- end }}
+{{- else }}
+   {{- $p.Name }}
+{{- end }}`
+({{- range $pti, $pt := $p.Types }}
+   `{{- $pt.WorkflowType }}`,
+{{- end }})
+{{- end }}
+{{- end }}
+
+{{- if gt (len $f.Results) 0}}
+
+.Results:
+{{- range $r := $f.Results}}
+* {{ if $r.Meta }}
+   {{- if $r.Meta.Label }}
+      {{- $r.Meta.Label }}
+   {{- else }}
+      {{- $r.Name }}
+   {{- end }}
+{{- else }}
+   {{- $r.Name }}
+{{- end }} (`{{ $r.WorkflowType }}`)
+{{- end }}
+{{- end }}
+
+{{- end }}
+{{- end }}
+
+|===
+{{- end }}

pkg/codegen/assets/expr_types.gen.adoc.tpl

@@ -0,0 +1,32 @@
+// This file is auto-generated.
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+// Definitions file that controls how this file is generated:
+{{- range .Definitions }}
+//  - {{ .Source }}
+{{- end }}
+
+[cols="2m,3a"]
+|===
+| Type | Structure
+{{- range .Definitions }}
+{{- range $tName, $tDef := .Types }}
+   {{- if gt (len $tDef.Struct) 0}}
+| [#objref-{{ toLower $tName }}]#<<objref-{{ toLower $tName }},{{ $tName }}>>#
+|
+      {{- if $tDef.Struct }}
+[source]
+----
+{
+         {{- range $s := .Struct }}
+   {{ $s.Name }} ({{ $s.ExprType }})
+         {{- end }}
+}
+----
+{{ end }}
+   {{- end }}
+{{- end }}
+{{ end }}
+|===

pkg/codegen/assets/options.gen.adoc.tpl

@@ -7,6 +7,7 @@
 {{- range .Definitions }}
 //  - {{ .Source }}
 {{- end }}
+include::ROOT:partial$variables.adoc[]
 
 {{ range .Definitions }}
 = {{ .Docs.Title }}
@@ -24,7 +25,10 @@
 {{ if .Default -}}
 === Default
 
-`{{ .Default }}`
+[source]
+----
+{{ .Default }}
+----
 
 {{ end -}}
 {{ if .Description -}}