transform.cpp

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/*
 * Copyright 2023 Blue Brain Project, EPFL.
 * See the top-level LICENSE file for details.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#include <catch2/catch_test_macros.hpp>
 
#include "ast/program.hpp"
#include "codegen/codegen_transform_visitor.hpp"
#include "parser/nmodl_driver.hpp"
#include "test/unit/utils/test_utils.hpp"
#include "visitors/nmodl_visitor.hpp"
 
using namespace nmodl;
using namespace visitor;
using namespace test_utils;
 
using nmodl::parser::NmodlDriver;
 
 
//=============================================================================
// Variable rename tests
//=============================================================================
 
static std::string run_transform_visitor(const std::string& text) {
    NmodlDriver driver;
    const auto& ast = driver.parse_string(text);
    CodegenTransformVisitor{}.visit_program(*ast);
    std::stringstream stream;
    NmodlPrintVisitor(stream).visit_program(*ast);
 
    return stream.str();
}
 
SCENARIO("Adding a variable for a table inside a function", "[visitor][transform]") {
    GIVEN("A mod file with a table inside a function") {
        // sample nmodl text
        std::string input_nmodl_text = R"(
            FUNCTION mAlpha(v) {
                TABLE FROM 0 TO 150 WITH 1
                mAlpha = 1
            }
        )";
 
        /// expected result after adding the variable
        std::string output_nmodl_text = R"(
            FUNCTION mAlpha(v) {
                TABLE mAlpha FROM 0 TO 150 WITH 1
                mAlpha = 1
            }
        )";
 
        std::string input = reindent_text(input_nmodl_text);
        std::string expected_output = reindent_text(output_nmodl_text);
 
        THEN("variable has been added") {
            auto result = run_transform_visitor(input);
            REQUIRE(result == expected_output);
        }
    }
}