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Refactor Parsing -> Compiling

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Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-03-02 08:25:29 -05:00
parent cfe78a9b29
commit 6dba17c97a
21 changed files with 550 additions and 489 deletions
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Tests/p4rseTests/ScopeRuntimeTests.swift
+48 -5
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@@ -25,7 +25,7 @@ import Testing
import TreeSitter
import TreeSitterP4
@testable import P4Parser
@testable import P4Compiler
@Test func test_simple_local_element_variable_declaration() async throws {
let simple_parser_declaration = """
@@ -42,7 +42,7 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Parse(simple_parser_declaration))
let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
let runtime = try #UseOkResult(P4Runtime.ParserRuntime.create(program: program))
let (state_result, execution_result) = try! #UseOkResult(runtime.run())
@@ -84,7 +84,7 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Parse(simple_parser_declaration))
let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
let runtime = try #UseOkResult(P4Runtime.ParserRuntime.create(program: program))
let (state_result, execution_result) = try! #UseOkResult(runtime.run())
@@ -119,7 +119,7 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Parse(simple_parser_declaration))
let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
let runtime = try #UseOkResult(P4Runtime.ParserRuntime.create(program: program))
let (state_result, execution_result) = try! #UseOkResult(runtime.run())
@@ -135,6 +135,7 @@ import TreeSitterP4
let where_to = try #require(scope.lookup(identifier: Identifier(name: "where_to")))
#expect(where_to.eq(rhs: P4BooleanValue(withValue: false)))
}
@Test func test_simple_assignment() async throws {
let simple_parser_declaration = """
parser main_parser() {
@@ -152,7 +153,7 @@ import TreeSitterP4
"""
let program = try #UseOkResult(Program.Parse(simple_parser_declaration))
let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
let runtime = try #UseOkResult(P4Runtime.ParserRuntime.create(program: program))
let (state_result, execution_result) = try! #UseOkResult(runtime.run())
@@ -169,4 +170,46 @@ import TreeSitterP4
#expect(where_to.eq(rhs: P4BooleanValue(withValue: false)))
let where_from = try #require(scope.lookup(identifier: Identifier(name: "where_from")))
#expect(where_from.eq(rhs: P4StringValue(withValue: "\"there\"")))
}
@Test func test_nested_declaration_assignment() async throws {
let simple_parser_declaration = """
parser main_parser() {
state start {
bool where_to = true;
string where_from = "here";
string where_where = "here";
if (where_to) {
bool where_from = true;
if (where_from) {
where_to = false;
}
}
where_from = "there";
transition select (where_to) {
false: reject;
true: accept;
};
}
};
"""
let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
let runtime = try #UseOkResult(P4Runtime.ParserRuntime.create(program: program))
let (state_result, execution_result) = try! #UseOkResult(runtime.run())
#expect(parser.states.count() == 1)
#expect(state_result == P4Lang.reject)
#expect(execution_result.scopes.count == 1)
let scope = try! #require(execution_result.scopes.current)
#expect(scope.count == 3)
let where_to = try #require(scope.lookup(identifier: Identifier(name: "where_to")))
#expect(where_to.eq(rhs: P4BooleanValue(withValue: false)))
let where_from = try #require(scope.lookup(identifier: Identifier(name: "where_from")))
#expect(where_from.eq(rhs: P4StringValue(withValue: "\"there\"")))
}