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Add paren support to reader

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This commit is contained in:
Camden Dixie O'Brien
2024-10-24 20:46:05 +01:00
parent 7b62b58c4f
commit e0070bfb1e
2 changed files with 49 additions and 8 deletions
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26
tests/reader_tests.c
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@@ -141,6 +141,31 @@ input_1_plus_2_times_3_is_parsed_as_a_right_nested_application(void)
ASSERT_EQUAL(3, operand1->application.operands[1]->number);
}
static void paren_1_plus_2_times_3_close_paren_parses_as_left_nested(void)
{
init_memory_pool(&pool);
const expression_t *result = read_expression(&pool, "(1+2)*3", 7);
ASSERT_NOT_NULL(result);
ASSERT_FALSE(result->is_number);
ASSERT_EQUAL(OPERATOR_MULTIPLY, result->application.operator);
const expression_t *operand0 = result->application.operands[0];
ASSERT_NOT_NULL(operand0);
ASSERT_FALSE(operand0->is_number);
ASSERT_EQUAL(OPERATOR_ADD, operand0->application.operator);
ASSERT_NOT_NULL(operand0->application.operands[0]);
ASSERT_TRUE(operand0->application.operands[0]->is_number);
ASSERT_EQUAL(1, operand0->application.operands[0]->number);
ASSERT_NOT_NULL(operand0->application.operands[1]);
ASSERT_TRUE(operand0->application.operands[1]->is_number);
ASSERT_EQUAL(2, operand0->application.operands[1]->number);
const expression_t *operand1 = result->application.operands[1];
ASSERT_NOT_NULL(operand1);
ASSERT_TRUE(operand1->is_number);
ASSERT_EQUAL(3, operand1->number);
}
int main(void)
{
TESTING_BEGIN();
@@ -154,5 +179,6 @@ int main(void)
RUN_TEST(input_1_plus_2_plus_3_is_parsed_as_a_left_nested_application);
RUN_TEST(input_1_times_2_times_3_is_parsed_as_a_left_nested_application);
RUN_TEST(input_1_plus_2_times_3_is_parsed_as_a_right_nested_application);
RUN_TEST(paren_1_plus_2_times_3_close_paren_parses_as_left_nested);
TESTING_END();
}