Namespace Hi.NcParsers.Dependencys.Heidenhain

Classes

HeidenhainParameterTable

Heidenhain TNC/iTNC machine parameter table. Stores machine parameters (MP numbers) as system and per-axis values.

MP100–MP199: General machine configuration. MP400–MP499: Axis-specific parameters.

HeidenhainQParameterTable

Heidenhain Q-parameter table for the ranges that persist on a real TNC: free parameters Q0-Q99 (survive power cycles) and the permanent QR0-QR499 range (nonvolatile, backed up with the machine). Like the Siemens sibling SiemensRParameterTable, this table is not session-reset and is serialised into the project file.

The other Q ranges deliberately live elsewhere: Q100-Q199 are controller-written system parameters — Get(string) returns null for them (read fail-soft, no fabricated values) and the reading syntax refuses writes; Q200+ are volatile cycle/user parameters carried block-to-block in Vars.Volatile (JSON dataflow, cleared at program end) — Get(string) also returns null so the evaluator's chain falls through to HeidenhainVolatileQLookup.

Reads flow through Get(string) (registered automatically because the table sits on the runner's effective NcDependencyList); writes flow through HeidenhainQParameterReadingSyntax, which consumes literal Parsing.Assignments.Qn entries after VariableEvaluatorSyntax has normalized expression RHS to literals.

Vacant is represented by null: either the dictionary has no entry for the key, or the entry maps to null — both read identically. A vacant read failing loud (Variable--Vacant via the evaluator) surfaces missing setup data instead of silently machining with 0.

HeidenhainQParameterTableProxy

Get-or-create INcDependencyProxy for HeidenhainQParameterTable: a placeholder in the shared PipelineNcDependencyList that resolves the host project's own per-case Q parameters (Q0–Q99 + QR0–QR499).