162 lines
8.0 KiB
Plaintext
162 lines
8.0 KiB
Plaintext
import "@std/mem"
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import "@std/testing"
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import "@source/diagnostics"
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import "@source/strpool"
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import "@source/lexer"
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import "@source/ast"
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parses_expression_precedence_through_tree_views test {
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strpool.STRINGS = strpool.init(mem.c_allocator)
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defer strpool.deinit(&strpool.STRINGS)
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diagnostic_store := diagnostics.init(mem.c_allocator)
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defer diagnostics.deinit(&diagnostic_store)
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source :: "value :: 1 + 2 * 3\n"
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scan_state := lexer.init(mem.c_allocator)
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defer lexer.deinit(&scan_state)
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try lexer.scan(&scan_state, source, &diagnostic_store)
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tree := try parse(scan_state.tokens.items, source, &diagnostic_store, mem.c_allocator)
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defer ast.deinit(&tree)
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try testing.expect_equal(1, ast.package_decl_count(&tree))
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declaration :: ast.package_decl(&tree, 0)
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statement :: ast.statement_decl(&tree, declaration)
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try testing.expect_equal("value", ast.source_text(&tree, statement.name))
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try testing.expect_equal(ast.ExprKind.binary, ast.expr_kind(&tree, statement.initializer))
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add :: ast.binary_expr(&tree, statement.initializer)
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try testing.expect_equal(ast.BinaryOperator.add, add.operator)
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try testing.expect_equal(ast.ExprKind.literal_int, ast.expr_kind(&tree, add.left))
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try testing.expect_equal(ast.ExprKind.binary, ast.expr_kind(&tree, add.right))
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multiply :: ast.binary_expr(&tree, add.right)
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try testing.expect_equal(ast.BinaryOperator.multiply, multiply.operator)
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try testing.expect_equal(0, diagnostics.count(&diagnostic_store))
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}
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parses_grouped_expression_precedence test {
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strpool.STRINGS = strpool.init(mem.c_allocator)
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defer strpool.deinit(&strpool.STRINGS)
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diagnostic_store := diagnostics.init(mem.c_allocator)
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defer diagnostics.deinit(&diagnostic_store)
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source :: "value :: a + ((b - c)) * 2 / 3\n"
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scan_state := lexer.init(mem.c_allocator)
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defer lexer.deinit(&scan_state)
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try lexer.scan(&scan_state, source, &diagnostic_store)
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tree := try parse(scan_state.tokens.items, source, &diagnostic_store, mem.c_allocator)
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defer ast.deinit(&tree)
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try testing.expect_equal(0, diagnostics.count(&diagnostic_store))
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try testing.expect_equal(1, ast.package_decl_count(&tree))
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statement :: ast.statement_decl(&tree, ast.package_decl(&tree, 0))
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add :: ast.binary_expr(&tree, statement.initializer)
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try testing.expect_equal(ast.BinaryOperator.add, add.operator)
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try testing.expect_equal("a", ast.source_text(&tree, ast.node_span(&tree, add.left)))
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divide :: ast.binary_expr(&tree, add.right)
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try testing.expect_equal(ast.BinaryOperator.divide, divide.operator)
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try testing.expect_equal("3", ast.source_text(&tree, ast.node_span(&tree, divide.right)))
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multiply :: ast.binary_expr(&tree, divide.left)
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try testing.expect_equal(ast.BinaryOperator.multiply, multiply.operator)
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try testing.expect_equal("2", ast.source_text(&tree, ast.node_span(&tree, multiply.right)))
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subtract :: ast.binary_expr(&tree, multiply.left)
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try testing.expect_equal(ast.BinaryOperator.subtract, subtract.operator)
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try testing.expect_equal("b", ast.source_text(&tree, ast.node_span(&tree, subtract.left)))
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try testing.expect_equal("c", ast.source_text(&tree, ast.node_span(&tree, subtract.right)))
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}
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parses_function_structure_through_tree_views test {
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strpool.STRINGS = strpool.init(mem.c_allocator)
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defer strpool.deinit(&strpool.STRINGS)
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diagnostic_store := diagnostics.init(mem.c_allocator)
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defer diagnostics.deinit(&diagnostic_store)
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source ::
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`grouped proc(a, b T, c U) void {
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` value int :: 1
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`}
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scan_state := lexer.init(mem.c_allocator)
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defer lexer.deinit(&scan_state)
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try lexer.scan(&scan_state, source, &diagnostic_store)
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tree := try parse(scan_state.tokens.items, source, &diagnostic_store, mem.c_allocator)
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defer ast.deinit(&tree)
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declaration :: ast.package_decl(&tree, 0)
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try testing.expect_equal(ast.DeclKind.function, ast.decl_kind(&tree, declaration))
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function :: ast.function_decl(&tree, declaration)
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try testing.expect_equal("grouped", ast.source_text(&tree, function.name))
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try testing.expect_equal(3, ast.function_param_count(&tree, declaration))
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first :: ast.param(&tree, ast.function_param(&tree, declaration, 0))
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second :: ast.param(&tree, ast.function_param(&tree, declaration, 1))
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third :: ast.param(&tree, ast.function_param(&tree, declaration, 2))
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try testing.expect_equal("a", ast.source_text(&tree, first.name))
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try testing.expect_equal("b", ast.source_text(&tree, second.name))
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try testing.expect_equal("c", ast.source_text(&tree, third.name))
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try testing.expect_equal(first.type, second.type)
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try testing.expect(first.type != third.type)
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try testing.expect_equal(1, ast.block_statement_count(&tree, function.body))
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try testing.expect_equal(0, diagnostics.count(&diagnostic_store))
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}
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recovers_invalid_declaration_and_preserves_sibling test {
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strpool.STRINGS = strpool.init(mem.c_allocator)
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defer strpool.deinit(&strpool.STRINGS)
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diagnostic_store := diagnostics.init(mem.c_allocator)
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defer diagnostics.deinit(&diagnostic_store)
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source :: "@ broken\nvalid :: 1\n"
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scan_state := lexer.init(mem.c_allocator)
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defer lexer.deinit(&scan_state)
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try lexer.scan(&scan_state, source, &diagnostic_store)
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tree := try parse(scan_state.tokens.items, source, &diagnostic_store, mem.c_allocator)
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defer ast.deinit(&tree)
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try testing.expect_equal(2, ast.package_decl_count(&tree))
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invalid_decl :: ast.package_decl(&tree, 0)
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valid_decl :: ast.package_decl(&tree, 1)
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try testing.expect_equal(ast.DeclKind.invalid, ast.decl_kind(&tree, invalid_decl))
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try testing.expect_equal(ast.DeclKind.statement, ast.decl_kind(&tree, valid_decl))
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invalid_view :: ast.invalid(&tree, invalid_decl)
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try testing.expect(diagnostics.get(&diagnostic_store, invalid_view.diagnostic) != null)
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valid_statement :: ast.statement_decl(&tree, valid_decl)
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try testing.expect_equal("valid", ast.source_text(&tree, valid_statement.name))
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}
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recovers_malformed_groups_and_preserves_following_statements test {
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strpool.STRINGS = strpool.init(mem.c_allocator)
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defer strpool.deinit(&strpool.STRINGS)
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diagnostic_store := diagnostics.init(mem.c_allocator)
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defer diagnostics.deinit(&diagnostic_store)
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source ::
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`main proc() void {
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` empty :: ()
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` operand :: (1 + )
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` missing :: (2
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` valid :: (3)
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`}
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`after :: 4
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scan_state := lexer.init(mem.c_allocator)
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defer lexer.deinit(&scan_state)
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try lexer.scan(&scan_state, source, &diagnostic_store)
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tree := try parse(scan_state.tokens.items, source, &diagnostic_store, mem.c_allocator)
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defer ast.deinit(&tree)
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try testing.expect_equal(3, diagnostics.count(&diagnostic_store))
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try testing.expect_equal(2, ast.package_decl_count(&tree))
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function :: ast.function_decl(&tree, ast.package_decl(&tree, 0))
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try testing.expect_equal(4, ast.block_statement_count(&tree, function.body))
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empty :: ast.statement_decl(&tree, ast.block_statement(&tree, function.body, 0))
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try testing.expect_equal(ast.ExprKind.invalid, ast.expr_kind(&tree, empty.initializer))
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operand :: ast.statement_decl(&tree, ast.block_statement(&tree, function.body, 1))
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add :: ast.binary_expr(&tree, operand.initializer)
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try testing.expect_equal(ast.ExprKind.invalid, ast.expr_kind(&tree, add.right))
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missing :: ast.statement_decl(&tree, ast.block_statement(&tree, function.body, 2))
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try testing.expect_equal(ast.ExprKind.invalid, ast.expr_kind(&tree, missing.initializer))
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valid :: ast.statement_decl(&tree, ast.block_statement(&tree, function.body, 3))
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try testing.expect_equal(ast.ExprKind.literal_int, ast.expr_kind(&tree, valid.initializer))
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try testing.expect_equal("3", ast.source_text(&tree, ast.node_span(&tree, valid.initializer)))
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after :: ast.statement_decl(&tree, ast.package_decl(&tree, 1))
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try testing.expect_equal("after", ast.source_text(&tree, after.name))
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try testing.expect_equal("4", ast.source_text(&tree, ast.node_span(&tree, after.initializer)))
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}
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