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compiler, language, runtime: Separate Parser Type From Instances
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In P4, parsers are considered types. Those parsers are instantiated.
The instantiated parsers are values. Previously, gp4 treated a parser
type and a parser value as identical. This PR makes that difference
clear _and_ sets the stage for the future.

TODO: Make the same distinction between control and action types and
values.

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-05-27 05:41:23 -04:00
parent 925f20a13b
commit 61d8f601e8
36 changed files with 1058 additions and 796 deletions
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Sources/Common/Protocols.swift
+1 -1
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@@ -52,7 +52,7 @@ public protocol EvaluatableLValueExpression: EvaluatableExpression {
func set(
to: P4Value, inScopes scopes: VarValueScopes, duringExecution execution: ProgramExecution
) -> Result<(VarValueScopes, P4Value)>
func check(to: EvaluatableExpression, inScopes scopes: VarTypeScopes) -> Result<()>
func check(to: EvaluatableExpression, inScopes scopes: StaticVarValueScopes) -> Result<()>
}
public protocol ProgramExecutionEvaluator {