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
@@ -42,10 +42,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.accept)
#expect(state_result == P4Lang.accept)
}
@Test func test_simple_parser_binary_operator_and2() async throws {
@@ -61,10 +61,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.reject)
#expect(state_result == P4Lang.reject)
}
@Test func test_simple_parser_binary_operator_and3() async throws {
@@ -80,10 +80,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.reject)
#expect(state_result == P4Lang.reject)
}
@Test func test_simple_parser_binary_operator_and4() async throws {
@@ -99,10 +99,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.reject)
#expect(state_result == P4Lang.reject)
}
@Test func test_simple_parser_binary_operator_or() async throws {
@@ -118,10 +118,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.accept)
#expect(state_result == P4Lang.accept)
}
@Test func test_simple_parser_binary_operator_or2() async throws {
@@ -137,10 +137,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.accept)
#expect(state_result == P4Lang.accept)
}
@Test func test_simple_parser_binary_operator_or3() async throws {
@@ -156,10 +156,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.accept)
#expect(state_result == P4Lang.accept)
}
@Test func test_simple_parser_binary_operator_or4() async throws {
@@ -175,10 +175,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.reject)
#expect(state_result == P4Lang.reject)
}
@Test func test_simple_parser_binary_operator_grouped() async throws {
@@ -194,10 +194,10 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.accept)
#expect(state_result == P4Lang.accept)
}
@Test func test_simple_parser_binary_operator_grouped2() async throws {
@@ -213,8 +213,8 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Compile(simple))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.Parser>.create(program: program))
let runtime = try #UseOkResult(P4Runtime.Runtime<InstantiatedParserState, P4Lang.ParserValue>.create(program: program))
let (state_result, _) = try! #UseOkResult(runtime.run())
#expect(AsInstantiatedParserState(state_result) == P4Lang.reject)
#expect(state_result == P4Lang.reject)
}