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This commit is contained in:
Federico Aponte
2025-02-03 14:38:51 +01:00
parent aba386a11c
commit 5a47094e35
15 changed files with 2536 additions and 1212 deletions
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64
test/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.28)
find_package(Boost REQUIRED COMPONENTS system)
find_package(doctest CONFIG REQUIRED)
find_package(GTest CONFIG REQUIRED)
find_package(ut CONFIG REQUIRED)
find_package(Threads REQUIRED)
add_executable(vb6_parser.ut
vb6_parser.ut.cpp
)
target_link_libraries(vb6_parser.ut
PRIVATE
vb6_parser_lib
Boost::system
Boost::ut
Threads::Threads
)
# --------------------------------
add_executable(vb6_parser.doctest
vb6_parser.doctest.cpp
)
target_link_libraries(vb6_parser.doctest
PRIVATE
vb6_parser_lib
Boost::system
doctest::doctest
Threads::Threads
)
# --------------------------------
add_executable(vb6_parser.gtest
test_gosub.cpp
vb6_parser_statements.gtest.cpp
vb6_parser.gtest.cpp
vb6_parser_test_main.cpp
)
target_link_libraries(vb6_parser.gtest
PRIVATE
vb6_parser_lib
GTest::gtest
GTest::gtest_main
GTest::gmock
GTest::gmock_main
Boost::system
Threads::Threads
)
# --------------------------------
add_test(NAME vb6_parser.ut COMMAND vb6_parser.ut)
include(GoogleTest)
gtest_discover_tests(vb6_parser.gtest)
#add_test(NAME vb6_parser.doctest COMMAND vb6_parser.doctest)
include(doctest)
doctest_discover_tests(vb6_parser.doctest)

50
test/test_gosub.cpp Normal file
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//
#include <csetjmp>
#include <iostream>
#define VB6_GOSUB(sub) if(!setjmp(_gs)){goto sub;}
#define VB6_RETURN longjmp(_gs,1)
using namespace std;
/*
Sub foo()
GoSub mysub1
Exit Sub
mysub1:
Debug.Print "mysub1"
Return
mysub2:
Debug.Print "mysub2"
Return
End Sub
#define GOSUB(sub) if(!setjmp(_gs)){goto sub;}
#define RETURN longjmp(_gs,1)
*/
void test_gosub(ostream& os)
{
os << "---- begin " << __func__ << " ----\n";
jmp_buf _gs;
VB6_GOSUB(sub1);
os << " after calling subroutine 1\n";
VB6_GOSUB(sub2);
os << " after calling subroutine 2\n";
return;
sub1:
os << " in subroutine 1\n";
VB6_RETURN;
sub2:
os << " in subroutine 2\n";
VB6_RETURN;
}

41
test/test_grammar_helper_ut.hpp Normal file
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//: test_grammar_ut.hpp
// vb6_parser
// Copyright (c) 2022 Federico Aponte
// This code is licensed under GNU Software License (see LICENSE.txt for details)
#pragma once
#include "color_console.hpp"
#include "vb6_config.hpp"
#include <boost/spirit/home/x3.hpp>
#include <iostream>
#include <string_view>
#include <utility>
template <class ruleType, class attrType>
std::pair<bool, std::string_view> test_grammar(std::string_view fragment, ruleType rule, attrType& attr)
{
namespace x3 = boost::spirit::x3;
auto it1 = cbegin(fragment);
auto const it2 = cend(fragment);
std::stringstream out;
vb6_grammar::error_handler_type error_handler(it1, it2, out, "source.bas");
auto const parser =
// we pass our error handler to the parser so we can access
// it later on in our on_error and on_success handlers
x3::with<vb6_grammar::vb6_error_handler_tag>(std::ref(error_handler))
[
rule
];
bool res = x3::phrase_parse(it1, it2, parser, vb6_grammar::skip, attr);
return std::make_pair(res, std::string_view(it1, it2));
}

1001
test/vb6_parser.doctest.cpp Normal file
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955
test/vb6_parser.gtest.cpp Normal file
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//: vb6_parser_test.cpp
// vb6_parser
// Copyright (c) 2022 Federico Aponte
// This code is licensed under GNU Software License (see LICENSE.txt for details)
//#define BOOST_SPIRIT_X3_DEBUG
#include "test_grammar_helper_ut.hpp"
#include "vb6_parser.hpp"
#include "vb6_ast_printer.hpp"
#include <boost/optional/optional_io.hpp>
#include <gtest/gtest.h>
#include <iostream>
#include <map>
#include <vector>
using namespace std;
namespace x3 = boost::spirit::x3;
GTEST_TEST(vb6_parser_simple, lonely_comment)
{
vector<vb6_ast::lonely_comment> ast;
auto [res, sv] = test_grammar(
"' This is comment line 1\r\n' Comment line 2\r\n",
*vb6_grammar::lonely_comment, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(ast.size(), 2);
EXPECT_EQ(ast[0].content, " This is comment line 1");
EXPECT_EQ(ast[1].content, " Comment line 2");
}
GTEST_TEST(vb6_parser_simple, empty_lines)
{
vector<
boost::variant<vb6_ast::empty_line, vb6_ast::lonely_comment>
> ast;
// critical to have lonely_comment first in the parsing rule
auto const G = *(vb6_grammar::lonely_comment | vb6_grammar::empty_line);
auto str = "' comment1\r\n"
"\r\n"
"' comment2\r\n";
auto [res, sv] = test_grammar(str, G, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(ast.size(), 3);
EXPECT_EQ(boost::get<vb6_ast::lonely_comment>(ast[0]).content, " comment1");
EXPECT_NO_THROW(boost::get<vb6_ast::empty_line>(ast[1]));
EXPECT_EQ(boost::get<vb6_ast::lonely_comment>(ast[2]).content, " comment2");
}
GTEST_TEST(vb6_parser_simple, quoted_string)
{
string str;
auto [res, sv] = test_grammar("\"Quoted string.\"", vb6_grammar::quoted_string, str);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(str, "Quoted string.");
}
GTEST_TEST(vb6_parser_simple, basic_identifier)
{
string id;
auto [res, sv] = test_grammar("iden_tifier", vb6_grammar::basic_identifier, id);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(id, "iden_tifier");
}
GTEST_TEST(vb6_parser_simple, var_identifier)
{
{
string var;
auto [res, sv] = test_grammar("g_logger", vb6_grammar::var_identifier, var);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(var, "g_logger");
}
{
string var;
auto [res, sv] = test_grammar("forth ", vb6_grammar::sub_identifier, var);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(var, "forth");
}
{
string var;
auto [res, sv] = test_grammar("subroutine ", vb6_grammar::sub_identifier, var);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(var, "subroutine");
}
/*
string code = "sub ";
string_view code_sv = code;
auto it1 = cbegin(code_sv);
auto const it2 = cend(code_sv);
ASSERT_FALSE(boost::spirit::x3::phrase_parse(it1, it2, vb6_grammar::sub_identifier, vb6_grammar::skip, var));
EXPECT_EQ(it1, begin(code_sv));
*/
}
GTEST_TEST(vb6_parser_simple, type_identifier)
{
string type;
auto [res, sv] = test_grammar("Long", vb6_grammar::type_identifier, type);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(type, "Long");
}
GTEST_TEST(vb6_parser_simple, complex_type_identifier)
{
string type;
auto [res, sv] = test_grammar("VB.Form", vb6_grammar::complex_type_identifier, type);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(type, "VB.Form");
}
GTEST_TEST(vb6_parser_simple, const_expression_non_numeric)
{
vb6_ast::const_expr ast;
string str;
{
str = "\"una stringa\""s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::quoted_string>(ast.get()), "una stringa");
}
{
str = "True"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<bool>(ast.get()), true);
}
{
str = "Nothing"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_NO_THROW(boost::get<vb6_ast::nothing>(ast.get()));
}
}
GTEST_TEST(vb6_parser_simple, const_expression_integers)
{
vb6_ast::const_expr ast;
string str;
{
str = "1234%"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(ast.get()).val, 1234);
}
{
str = "1234&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::long_dec>(ast.get()).val, 1234);
}
{
str = "&Hcafedead&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::long_hex>(ast.get()).val, 0xcafedead);
}
{
str = "&01234&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::long_oct>(ast.get()).val, 01234);
}
{
str = "1234"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(ast.get()).val, 1234);
}
}
GTEST_TEST(vb6_parser_simple, const_expression_floats)
{
vb6_ast::const_expr ast;
string str;
{
str = "1234!"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<float>(ast.get()), 1234.0f);
}
{
str = "1234#"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<double>(ast.get()), 1234.0);
}
{
str = "2.8"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(boost::get<float>(ast.get()), 2.8f);
}
}
GTEST_TEST(vb6_parser_simple, sample_expression)
{
vb6_ast::expression ast;
auto [res, sv] = test_grammar("foo1(foo2(3, M.x_coord), True)", vb6_grammar::expression, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(ast.get().type(), typeid(x3::forward_ast<vb6_ast::func_call>));
EXPECT_EQ(boost::get<x3::forward_ast<vb6_ast::func_call>>(ast.get()).get().func_name, "foo1");
}
GTEST_TEST(vb6_parser_simple, single_var_declaration)
{
{
vb6_ast::variable P1;
auto [res, sv] = test_grammar("g_logger As Long", vb6_grammar::single_var_declaration, P1);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(P1.name, "g_logger");
EXPECT_FALSE(P1.construct);
EXPECT_TRUE(P1.type);
if(P1.type)
{
EXPECT_EQ(*P1.type, "Long");
}
}
{
vb6_ast::variable P2;
auto [res, sv] = test_grammar("name As New String", vb6_grammar::single_var_declaration, P2);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(P2.name, "name");
EXPECT_TRUE(P2.construct);
EXPECT_TRUE(P2.type);
if(P2.type)
{
EXPECT_EQ(*P2.type, "String");
}
}
}
GTEST_TEST(vb6_parser_tests, record_declaration)
{
vb6_ast::record rec;
auto [res, sv] = test_grammar("Type PatRecord\r\n name As String\r\n age As Integer\r\nEnd Type\r\n",
vb6_grammar::record_declaration, rec);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(rec.name, "PatRecord");
EXPECT_EQ(rec.at, vb6_ast::access_type::na);
ASSERT_EQ(rec.members.size(), 2);
EXPECT_EQ(rec.members[0].name, "name");
EXPECT_TRUE(rec.members[0].type);
if(rec.members[0].type)
{
EXPECT_EQ(*rec.members[0].type, "String");
}
EXPECT_FALSE(rec.members[0].construct);
EXPECT_EQ(rec.members[1].name, "age");
EXPECT_TRUE(rec.members[1].type);
if(rec.members[1].type)
{
EXPECT_EQ(*rec.members[1].type, "Integer");
}
EXPECT_FALSE(rec.members[1].construct);
}
GTEST_TEST(vb6_parser_tests, enum_declaration)
{
vb6_ast::vb_enum enum1;
auto [res, sv] = test_grammar("Enum PatTypes\r\n inpatient\r\n outpatient\r\nEnd Enum\r\n",
vb6_grammar::enum_declaration, enum1);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(enum1.name, "PatTypes");
EXPECT_EQ(enum1.at, vb6_ast::access_type::na);
ASSERT_EQ(enum1.values.size(), 2);
EXPECT_EQ(enum1.values[0].first, "inpatient");
EXPECT_FALSE(enum1.values[0].second);
EXPECT_EQ(enum1.values[1].first, "outpatient");
EXPECT_FALSE(enum1.values[1].second);
}
GTEST_TEST(vb6_parser_tests, global_var_declaration)
{
auto str = "Global g_logger As Long, v1, XRes As New Object, ptr As Module.MyRec, g_active As Boolean\r\n"s;
vb6_ast::global_var_decls vars;
auto [res, sv] = test_grammar(str, vb6_grammar::global_var_declaration, vars);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(vars.at, vb6_ast::access_type::global);
EXPECT_FALSE(vars.with_events);
ASSERT_EQ(vars.vars.size(), 5);
EXPECT_EQ(vars.vars[0].name, "g_logger");
EXPECT_FALSE(vars.vars[0].construct);
EXPECT_TRUE(vars.vars[0].type);
if(vars.vars[0].type)
{
EXPECT_EQ(*vars.vars[0].type, "Long");
}
EXPECT_EQ(vars.vars[1].name, "v1");
EXPECT_FALSE(vars.vars[1].construct);
EXPECT_FALSE(vars.vars[1].type);
EXPECT_EQ(vars.vars[2].name, "XRes");
EXPECT_TRUE(vars.vars[2].construct);
EXPECT_TRUE(vars.vars[2].type);
if(vars.vars[2].type)
{
EXPECT_EQ(*vars.vars[2].type, "Object");
}
EXPECT_EQ(vars.vars[3].name, "ptr");
EXPECT_FALSE(vars.vars[3].construct);
EXPECT_TRUE(vars.vars[3].type);
if(vars.vars[3].type)
{
EXPECT_EQ(*vars.vars[3].type, "MyRec");
}
EXPECT_EQ(vars.vars[4].name, "g_active");
EXPECT_FALSE(vars.vars[4].construct);
EXPECT_TRUE(vars.vars[4].type);
if(vars.vars[4].type)
{
EXPECT_EQ(*vars.vars[4].type, "Boolean");
}
}
GTEST_TEST(vb6_parser_tests, const_var_declaration1)
{
auto cstr = "Const e As Single = 2.8, pi As Double = 3.14, u As Integer = -1\r\n"s;
vb6_ast::const_var_stat cvars;
auto [res, sv] = test_grammar(cstr, vb6_grammar::const_var_declaration, cvars);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(cvars.size(), 3);
EXPECT_EQ(cvars[0].var.name, "e");
if(cvars[0].var.type)
{
EXPECT_EQ(*cvars[0].var.type, "Single");
}
EXPECT_FALSE(cvars[0].var.construct);
EXPECT_EQ(boost::get<float>(cvars[0].value.get()), 2.8f);
EXPECT_EQ(cvars[1].var.name, "pi");
if(cvars[1].var.type)
{
EXPECT_EQ(*cvars[1].var.type, "Double");
}
EXPECT_FALSE(cvars[1].var.construct);
EXPECT_EQ(boost::get<float>(cvars[1].value.get()), 3.14f);
EXPECT_EQ(cvars[2].var.name, "u");
if(cvars[2].var.type)
{
EXPECT_EQ(*cvars[2].var.type, "Integer");
}
EXPECT_FALSE(cvars[2].var.construct);
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(cvars[2].value.get()).val, -1);
}
GTEST_TEST(vb6_parser_tests, const_var_declaration2)
{
vb6_ast::const_var_stat cvars;
auto [res, sv] = test_grammar("Private Const PI As Double = 3.1415\r\n",
vb6_grammar::const_var_declaration, cvars);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(cvars.size(), 1);
EXPECT_EQ(cvars[0].var.name, "PI");
if(cvars[0].var.type)
{
EXPECT_EQ(*cvars[0].var.type, "Double");
}
EXPECT_FALSE(cvars[0].var.construct);
EXPECT_EQ(boost::get<float>(cvars[0].value.get()), 3.1415f);
}
GTEST_TEST(vb6_parser_tests, param_decl)
{
vb6_ast::func_param fp;
auto [res, sv] = test_grammar("Optional ByVal name As String = \"pippo\"", vb6_grammar::param_decl, fp);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_TRUE(fp.isoptional);
EXPECT_TRUE(fp.qualifier);
if(fp.qualifier)
{
EXPECT_EQ(*fp.qualifier, vb6_ast::param_qualifier::byval);
}
EXPECT_EQ(fp.var.name, "name");
EXPECT_FALSE(fp.var.construct);
EXPECT_TRUE(fp.var.type);
if(fp.var.type)
{
EXPECT_EQ(*fp.var.type, "String");
}
EXPECT_TRUE(fp.defvalue);
if(fp.defvalue)
{
EXPECT_EQ(boost::get<vb6_ast::quoted_string>(fp.defvalue.get()), "pippo");
}
}
GTEST_TEST(vb6_parser_tests, param_list_decl)
{
vector<vb6_ast::func_param> fps;
auto [res, sv] = test_grammar("ByVal name As String, ByRef val As Integer",
-(vb6_grammar::param_decl % ','), fps);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(fps.size(), 2);
EXPECT_FALSE(fps[0].isoptional);
EXPECT_TRUE(fps[0].qualifier);
if(fps[0].qualifier)
{
EXPECT_EQ(*fps[0].qualifier, vb6_ast::param_qualifier::byval);
}
EXPECT_EQ(fps[0].var.name, "name");
EXPECT_FALSE(fps[0].var.construct);
EXPECT_TRUE(fps[0].var.type);
if(fps[0].var.type)
{
EXPECT_EQ(*fps[0].var.type, "String");
}
EXPECT_FALSE(fps[0].defvalue);
EXPECT_FALSE(fps[1].isoptional);
EXPECT_TRUE(fps[1].qualifier);
if(fps[1].qualifier)
{
EXPECT_EQ(*fps[1].qualifier, vb6_ast::param_qualifier::byref);
}
EXPECT_EQ(fps[1].var.name, "val");
EXPECT_FALSE(fps[1].var.construct);
EXPECT_TRUE(fps[1].var.type);
if(fps[1].var.type)
{
EXPECT_EQ(*fps[1].var.type, "Integer");
}
EXPECT_FALSE(fps[1].defvalue);
}
GTEST_TEST(vb6_parser_tests, event_declaration)
{
vb6_ast::eventHead event_decl;
auto [res, sv] = test_grammar("Public Event OnChange(ByVal Text As String)\r\n",
vb6_grammar::eventHead, event_decl);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(event_decl.at, vb6_ast::access_type::public_);
EXPECT_EQ(event_decl.name, "OnChange");
EXPECT_EQ(event_decl.params.size(), 1);
}
GTEST_TEST(vb6_parser_tests, function_head)
{
vb6_ast::functionHead fh;
auto [res, sv] = test_grammar(
"Private Function OneFunc(ByVal name As String, ByRef val As Integer) As Integer\r\n",
vb6_grammar::functionHead, fh);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(fh.at, vb6_ast::access_type::private_);
EXPECT_EQ(fh.name, "OneFunc");
EXPECT_EQ(fh.params.size(), 2);
ASSERT_TRUE(fh.return_type);
EXPECT_EQ(*fh.return_type, "Integer");
}
GTEST_TEST(vb6_parser_tests, function_head_no_params)
{
vb6_ast::functionHead fh;
auto [res, sv] = test_grammar(
"Private Function NoParamFunc() As Object\r\n", vb6_grammar::functionHead, fh);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(fh.at, vb6_ast::access_type::private_);
EXPECT_EQ(fh.name, "NoParamFunc");
EXPECT_TRUE(fh.params.empty());
ASSERT_TRUE(fh.return_type);
EXPECT_EQ(*fh.return_type, "Object");
}
GTEST_TEST(vb6_parser_tests, subroutine_head)
{
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(
"Private Sub my_sub(ByRef str As String, ByVal valid As Boolean)\r\n",
vb6_grammar::subHead, sh);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(sh.at, vb6_ast::access_type::private_);
EXPECT_EQ(sh.name, "my_sub");
EXPECT_EQ(sh.params.size(), 2);
}
GTEST_TEST(vb6_parser_tests, subroutine_head2)
{
auto str = "Private Sub my_sub(ByRef str As String, ByVal valid As Boolean, Optional ByVal flag As Boolean = True)\r\n"s;
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(str, vb6_grammar::subHead, sh);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(sh.at, vb6_ast::access_type::private_);
EXPECT_EQ(sh.name, "my_sub");
EXPECT_EQ(sh.params.size(), 3);
}
GTEST_TEST(vb6_parser_tests, subroutine_head_with_optional_params)
{
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(
"Private Sub my_sub(ByRef str As String, Optional ByVal valid As Boolean = false)\r\n",
vb6_grammar::subHead, sh);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(sh.at, vb6_ast::access_type::private_);
EXPECT_EQ(sh.name, "my_sub");
ASSERT_EQ(sh.params.size(), 2);
EXPECT_TRUE(sh.params[0].qualifier.has_value());
if(sh.params[0].qualifier)
{
EXPECT_EQ(sh.params[0].qualifier.get(), vb6_ast::param_qualifier::byref);
}
EXPECT_EQ(sh.params[0].var.name, "str");
if(sh.params[0].var.type)
{
EXPECT_EQ(*sh.params[0].var.type, "String");
}
EXPECT_FALSE(sh.params[0].var.construct);
EXPECT_FALSE(sh.params[0].isoptional);
EXPECT_FALSE(sh.params[0].defvalue);
EXPECT_TRUE(sh.params[1].qualifier);
if(sh.params[1].qualifier)
{
EXPECT_EQ(sh.params[1].qualifier.get(), vb6_ast::param_qualifier::byval);
}
EXPECT_EQ(sh.params[1].var.name, "valid");
if(sh.params[1].var.type)
{
EXPECT_EQ(*sh.params[1].var.type, "Boolean");
}
EXPECT_FALSE(sh.params[1].var.construct);
EXPECT_TRUE(sh.params[1].isoptional);
EXPECT_TRUE(sh.params[1].defvalue);
if(sh.params[0].defvalue)
{
EXPECT_EQ(boost::get<bool>(*sh.params[0].defvalue), false);
}
}
GTEST_TEST(vb6_parser_tests, property_let_head)
{
auto str = "Public Property Let Width(ByVal w As Integer)\r\n"s;
vb6_ast::propertyLetHead ast;
auto [res, sv] = test_grammar(str, vb6_grammar::property_letHead, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(ast.at, vb6_ast::access_type::public_);
EXPECT_EQ(ast.name, "Width");
EXPECT_EQ(ast.params.size(), 1);
}
GTEST_TEST(vb6_parser_tests, property_get_head)
{
auto str = "Public Property Get Width() As Integer\r\n"s;
vb6_ast::propertyGetHead ast;
auto [res, sv] = test_grammar(str, vb6_grammar::property_getHead, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(ast.at, vb6_ast::access_type::public_);
EXPECT_EQ(ast.name, "Width");
EXPECT_EQ(ast.params.size(), 0);
ASSERT_TRUE(ast.return_type);
EXPECT_EQ(*ast.return_type, "Integer");
}
GTEST_TEST(vb6_parser_tests, dll_subroutine_declaration)
{
vb6_ast::externalSub extsub;
auto str = "Private Declare Sub BeepVB Lib \"kernel32.dll\" Alias \"Beep\" (ByVal time As Long, ByVal xx As Single)\r\n"s;
auto [res, sv] = test_grammar(str, vb6_grammar::external_sub_decl, extsub);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(extsub.at, vb6_ast::access_type::private_);
EXPECT_EQ(extsub.name, "BeepVB");
EXPECT_EQ(extsub.alias, "Beep");
EXPECT_EQ(extsub.params.size(), 2);
EXPECT_EQ(extsub.lib, "kernel32.dll");
}
GTEST_TEST(vb6_parser_tests, dll_function_declaration)
{
vb6_ast::externalFunction extfunc;
auto str = "Private Declare Function BeepVB Lib \"kernel32.dll\" Alias \"Beep\" (ByVal time As Long, ByVal xx As Single) As Long\r\n"s;
auto [res, sv] = test_grammar(str, vb6_grammar::external_function_decl, extfunc);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(extfunc.at, vb6_ast::access_type::private_);
EXPECT_EQ(extfunc.name, "BeepVB");
EXPECT_TRUE(extfunc.return_type);
if(extfunc.return_type)
{
EXPECT_EQ(*extfunc.return_type, "Long");
}
EXPECT_EQ(extfunc.alias, "Beep");
EXPECT_EQ(extfunc.params.size(), 2);
EXPECT_EQ(extfunc.lib, "kernel32.dll");
}
GTEST_TEST(vb6_parser_tests, identifier_context)
{
vb6_ast::identifier_context ctx;
auto [res, sv] = test_grammar("var1.func().pnt1.", vb6_grammar::identifier_context, ctx);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_FALSE(ctx.leading_dot);
ASSERT_EQ(ctx.elements.size(), 3);
EXPECT_EQ(boost::get<string>(ctx.elements[0].get()), "var1");
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(ctx.elements[1].get()).get();
EXPECT_EQ(tmp.func_name, "func");
EXPECT_TRUE(tmp.params.empty());
EXPECT_EQ(boost::get<string>(ctx.elements[2].get()), "pnt1");
}
GTEST_TEST(vb6_parser_tests, decorated_variable)
{
vb6_ast::decorated_variable dec_var;
auto [res, sv] = test_grammar("var1.func().pnt1.X", vb6_grammar::decorated_variable, dec_var);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_FALSE(dec_var.ctx.leading_dot);
ASSERT_EQ(dec_var.ctx.elements.size(), 3);
EXPECT_EQ(boost::get<string>(dec_var.ctx.elements[0].get()), "var1");
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(dec_var.ctx.elements[1].get()).get();
EXPECT_EQ(tmp.func_name, "func");
EXPECT_TRUE(tmp.params.empty());
EXPECT_EQ(boost::get<string>(dec_var.ctx.elements[2].get()), "pnt1");
EXPECT_EQ(dec_var.var, "X");
}
GTEST_TEST(vb6_parser_tests, attribute_block)
{
vb6_ast::STRICT_MODULE_STRUCTURE::module_attributes attrs;
auto str = "Attribute ModuleName = \"MyForm\"\r\n"
"Attribute ProgID = \"00-00-00-00\"\r\n"s;
auto [res, sv] = test_grammar(str, *vb6_grammar::attributeDef, attrs);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(attrs.size(), 2);
auto it1 = attrs.find("ModuleName");
EXPECT_NE(it1, attrs.cend());
if(it1 != attrs.cend())
{
EXPECT_EQ(it1->second, "MyForm");
}
auto it2 = attrs.find("ProgID");
EXPECT_NE(it2, attrs.cend());
if(it2 != attrs.cend())
{
EXPECT_EQ(it2->second, "00-00-00-00");
}
}
GTEST_TEST(vb6_parser_tests, attributes)
{
vb6_ast::STRICT_MODULE_STRUCTURE::module_attributes ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
)vb"s;
//auto [res, sv] = test_grammar(str, vb6_grammar::preamble, ast);
auto [res, sv] = test_grammar(str, *vb6_grammar::attributeDef, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(ast.size(), 2);
auto const it1 = ast.find("ModuleName");
EXPECT_NE(it1, ast.cend());
if(it1 != ast.cend())
{
EXPECT_EQ(it1->second, "MyForm");
}
auto const it2 = ast.find("ProgID");
EXPECT_NE(it2, ast.cend());
if(it2 != ast.cend())
{
EXPECT_EQ(it2->second, "00-00-00-00");
}
}
GTEST_TEST(vb6_parser_tests, options)
{
vector<vb6_ast::module_option> ast;
auto str = R"vb(Option Explicit
Option Base 0
)vb"s;
auto [res, sv] = test_grammar(str, *vb6_grammar::option_item, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(ast.size(), 2);
EXPECT_EQ(ast[0], vb6_ast::module_option::explicit_);
EXPECT_EQ(ast[1], vb6_ast::module_option::base_0);
}
#if 0
GTEST_TEST(vb6_parser_tests, declaration_block)
{
auto const declarations
= boost::spirit::x3::rule<class _, vector<vb6_ast::STRICT_MODULE_STRUCTURE::declaration>>("declaration_block")
= *vb6_grammar::STRICT_MODULE_STRUCTURE::declaration;
vector<vb6_ast::STRICT_MODULE_STRUCTURE::declaration> decls;
auto str = "Const e As Double = 2.8, pi As Double = 3.14, u As Integer = -1\r\n"
"Global g_logger As Long, v1, XRes As Object, ptr As MyRec, g_active As Boolean\r\n"
"Private Declare Sub PFoo Lib \"mylib.dll\" Alias \"PFoo\" (ByVal val As Long)\r\n"
"Enum MyEnum1\r\n c1 = 0\r\n c2 = 1\r\nEnd Enum\r\n"
"Public Type MyRecord1\r\n v1 As String\r\n v2 As Long\r\nEnd Type\r\n"s;
auto [res, sv] = test_grammar(str, declarations, decls);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(decls.size(), 5);
EXPECT_NO_THROW(boost::get<vb6_ast::const_var_stat>(decls[0].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::global_var_decls>(decls[1].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::externalSub>(decls[2].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::vb_enum>(decls[3].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::record>(decls[4].get()));
}
GTEST_TEST(vb6_parser_tests, bas_unit_STRICT_MODULE_STRUCTURE)
{
vb6_ast::STRICT_MODULE_STRUCTURE::vb_module ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
Option Explicit
Option Base 0
' declarations
Const u As Integer = 1234
Global g_logger As Long
Enum MyEnum1
c1 = 0
c2 = 1
End Enum
Sub my_sub(ByRef str As String)
End Sub
Function my_fun(ByRef str As String) As Long
End Function
)vb"s;
auto [res, sv] = test_grammar(str, vb6_grammar::STRICT_MODULE_STRUCTURE::basModDef, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
vb6_ast_printer P(cout);
P(ast);
EXPECT_EQ(ast.attrs.size(), 2);
auto const it1 = ast.attrs.find("ModuleName");
EXPECT_NE(it1, ast.attrs.cend());
if(it1 != ast.attrs.cend())
{
EXPECT_EQ(it1->second, "MyForm");
}
auto const it2 = ast.attrs.find("ProgID");
EXPECT_NE(it2, ast.attrs.cend());
if(it2 != ast.attrs.cend())
{
EXPECT_EQ(it2->second, "00-00-00-00");
}
EXPECT_EQ(ast.opts.items.size(), 4);
if(ast.opts.items.size() == 4)
{
#if 0
EXPECT_EQ(ast.opts.items[0], vb6_ast::module_option::explicit_);
EXPECT_EQ(ast.opts.items[1], vb6_ast::module_option::base_0);
#else
EXPECT_EQ(boost::get<vb6_ast::module_option>(ast.opts.items[0].get()), vb6_ast::module_option::explicit_);
EXPECT_EQ(boost::get<vb6_ast::module_option>(ast.opts.items[1].get()), vb6_ast::module_option::base_0);
#endif
EXPECT_NO_THROW(boost::get<vb6_ast::empty_line>(ast.opts.items[2].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::lonely_comment>(ast.opts.items[3].get()));
}
EXPECT_EQ(ast.declarations.size(), 3);
if(ast.declarations.size() == 3)
{
EXPECT_NO_THROW(boost::get<vb6_ast::const_var_stat>(ast.declarations[0].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::global_var_decls>(ast.declarations[1].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::vb_enum>(ast.declarations[2].get()));
}
EXPECT_EQ(ast.functions.size(), 2);
if(ast.functions.size() == 2)
{
EXPECT_NO_THROW(boost::get<vb6_ast::subDef>(ast.functions[0].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::functionDef>(ast.functions[1].get()));
}
}
#endif
GTEST_TEST(vb6_parser_tests, bas_unit)
{
vb6_ast::vb_module ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
Option Explicit
Option Base 0
' declarations
Const u As Integer = 1234
Global g_logger As Long
Enum MyEnum1
c1 = 0
c2 = 1
End Enum
Sub my_sub(ByRef str As String)
End Sub
Function my_fun(ByRef str As String) As Long
End Function
)vb"s;
auto [res, sv] = test_grammar(str, vb6_grammar::basModDef, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
vb6_ast_printer P(cout);
P(ast);
ASSERT_EQ(ast.size(), 11);
EXPECT_EQ(boost::get<vb6_ast::module_attribute>(ast[0].get()).first, "ModuleName");
EXPECT_EQ(boost::get<vb6_ast::module_attribute>(ast[1].get()).first, "ProgID");
EXPECT_EQ(boost::get<vb6_ast::module_option>(ast[2].get()), vb6_ast::module_option::explicit_);
EXPECT_EQ(boost::get<vb6_ast::module_option>(ast[3].get()), vb6_ast::module_option::base_0);
EXPECT_NO_THROW(boost::get<vb6_ast::empty_line>(ast[4].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::lonely_comment>(ast[5].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::const_var_stat>(boost::get<vb6_ast::declaration>(ast[6].get())));
EXPECT_NO_THROW(boost::get<vb6_ast::global_var_decls>(boost::get<vb6_ast::declaration>(ast[7].get())));
EXPECT_NO_THROW(boost::get<vb6_ast::vb_enum>(boost::get<vb6_ast::declaration>(ast[8].get())));
EXPECT_NO_THROW(boost::get<vb6_ast::subDef>(ast[9].get()));
EXPECT_NO_THROW(boost::get<vb6_ast::functionDef>(ast[10].get()));
}
GTEST_TEST(vb6_parser_tests, trailing_comment)
{
auto str = "Global g_var As Long ' how can we catch a trailing comment?\r\n"s;
vb6_ast::global_var_decls vars;
auto [res, sv] = test_grammar(str, vb6_grammar::global_var_declaration, vars);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(vars.at, vb6_ast::access_type::global);
EXPECT_FALSE(vars.with_events);
ASSERT_EQ(vars.vars.size(), 1);
EXPECT_EQ(vars.vars[0].name, "g_var");
EXPECT_FALSE(vars.vars[0].construct);
EXPECT_TRUE(vars.vars[0].type);
if(vars.vars[0].type)
{
EXPECT_EQ(*vars.vars[0].type, "Long");
}
}

996
test/vb6_parser.ut.cpp Normal file
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@@ -0,0 +1,996 @@
//: vb6_parser.ut.cpp
// vb6_parser
// Copyright (c) 2022 Federico Aponte
// This code is licensed under GNU Software License (see LICENSE.txt for details)
//#define BOOST_SPIRIT_X3_DEBUG
#pragma GCC diagnostic ignored "-Wunused-variable"
#include "test_grammar_helper_ut.hpp"
#include "vb6_parser.hpp"
#include "vb6_ast_printer.hpp"
#include <boost/optional/optional_io.hpp>
#include <boost/ut.hpp>
#include <iostream>
#include <map>
#include <vector>
namespace x3 = boost::spirit::x3;
namespace ut = boost::ut;
using namespace std;
// need for ut's user-defined literals and overloaded operators
using namespace boost::ut;
void log_compiler_info(std::ostream& os)
{
// how to tell that AppleClang and not plain Clang has been used?
// __APPLE_CC__ does not work as it's always defined
#if defined(__clang__)
os << "Compiler: Clang " << __clang_major__ << "." << __clang_minor__ << "." << __clang_patchlevel__<< '\n';
#elif defined(__GNUC__)
os << "Compiler: GCC " << __GNUC__ << "." << __GNUC_MINOR__ << "." << __GNUC_PATCHLEVEL__<< '\n';
#elif defined(__MSC_VER)
os << "Compiler: MSC " << __MSC_VER << '\n';
#endif
}
ut::suite<"vb6_parser_simple"> _ = []
{
ut::test("lonely_comment") = []
{
vector<vb6_ast::lonely_comment> ast;
auto [res, sv] = test_grammar(
"' This is comment line 1\r\n' Comment line 2\r\n",
*vb6_grammar::lonely_comment, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
//cout << ast.size() << "\n";
ut::expect(ut::eq(ast.size(), 2));
ut::expect(ast[0].content == " This is comment line 1");
ut::expect(ast[1].content == " Comment line 2");
};
ut::test("empty_lines") = []
{
vector<
boost::variant<vb6_ast::empty_line, vb6_ast::lonely_comment>
> ast;
// critical to have lonely_comment first in the parsing rule
auto const G = *(vb6_grammar::lonely_comment | vb6_grammar::empty_line);
auto str = "' comment1\r\n"
"\r\n"
"' comment2\r\n";
auto [res, sv] = test_grammar(str, G, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ast.size() == 3);
ut::expect(boost::get<vb6_ast::lonely_comment>(ast[0]).content == " comment1");
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::empty_line>(ast[1]);}));
ut::expect(boost::get<vb6_ast::lonely_comment>(ast[2]).content == " comment2");
};
ut::test("quoted_string") = []
{
string str;
auto [res, sv] = test_grammar("\"Quoted string.\"", vb6_grammar::quoted_string, str);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(str == "Quoted string.");
};
ut::test("basic_identifier") = []
{
string id;
auto [res, sv] = test_grammar("iden_tifier", vb6_grammar::basic_identifier, id);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(id == "iden_tifier");
};
ut::test("var_identifier") = []
{
string var;
ut::test("1") = [&var]
{
auto [res, sv] = test_grammar("g_logger", vb6_grammar::var_identifier, var);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(var == "g_logger");
};
ut::test("2") = [&var]
{
auto [res, sv] = test_grammar("forth ", vb6_grammar::sub_identifier, var);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(var == "forth");
};
ut::test("3") = [&var]
{
auto [res, sv] = test_grammar("subroutine ", vb6_grammar::sub_identifier, var);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(var == "subroutine");
};
/*
string code = "sub ";
string_view code_sv = code;
auto it1 = cbegin(code_sv);
auto const it2 = cend(code_sv);
ut::expect(!boost::spirit::x3::phrase_parse(it1, it2, vb6_grammar::sub_identifier, vb6_grammar::skip, var));
ut::expect(it1 == begin(code_sv));
*/
};
ut::test("type_identifier") = []
{
string type;
auto [res, sv] = test_grammar("Long", vb6_grammar::type_identifier, type);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % type == "Long"s);
};
ut::test("complex_type_identifier") = []
{
string type;
auto [res, sv] = test_grammar("VB.Form", vb6_grammar::complex_type_identifier, type);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % type == "VB.Form"s);
};
ut::test("const_expression_non_numeric") = []
{
vb6_ast::const_expr ast;
ut::test("1") = [&ast]
{
string str = "\"una stringa\""s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::quoted_string>(ast.get()) == "una stringa"s);
};
ut::test("2") = [&ast]
{
string str = "True"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(boost::get<bool>(ast.get()));
};
ut::test("3") = [&ast]
{
string str = "Nothing"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::nothing>(ast.get());}));
};
};
ut::test("const_expression_integers") = []
{
vb6_ast::const_expr ast;
ut::test("1") = [&ast]
{
string str = "1234%"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::integer_dec>(ast.get()).val == 1234);
};
ut::test("2") = [&ast]
{
string str = "1234&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::long_dec>(ast.get()).val == 1234);
};
ut::test("3") = [&ast]
{
string str = "&Hcafedead&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::long_hex>(ast.get()).val == 0xcafedead);
};
ut::test("4") = [&ast]
{
string str = "&01234&"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::long_oct>(ast.get()).val == 01234);
};
ut::test("5") = [&ast]
{
string str = "1234"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(that % boost::get<vb6_ast::integer_dec>(ast.get()).val == 1234);
};
};
ut::test("const_expression_floats") = []
{
vb6_ast::const_expr ast;
ut::test("1") = [&ast]
{
string str = "1234!"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(boost::get<float>(ast.get()) == 1234.0f);
};
ut::test("2") = [&ast]
{
string str = "1234#"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(boost::get<double>(ast.get()) == 1234.0);
};
ut::test("3") = [&ast]
{
string str = "2.8"s;
auto [res, sv] = test_grammar(str, vb6_grammar::const_expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(boost::get<float>(ast.get()) == 2.8f);
};
};
ut::test("sample_expression") = []
{
vb6_ast::expression ast;
auto [res, sv] = test_grammar("foo1(foo2(3, M.x_coord), True)", vb6_grammar::expression, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ast.get().type() == typeid(x3::forward_ast<vb6_ast::func_call>));
ut::expect(boost::get<x3::forward_ast<vb6_ast::func_call>>(ast.get()).get().func_name == "foo1");
};
ut::test("single_var_declaration") = []
{
ut::test("1") = []
{
vb6_ast::variable P1;
auto [res, sv] = test_grammar("g_logger As Long", vb6_grammar::single_var_declaration, P1);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(P1.name == "g_logger");
ut::expect(!P1.construct);
ut::expect(P1.type.has_value());
if(P1.type)
{
ut::expect(*P1.type == "Long");
}
};
ut::test("2") = []
{
vb6_ast::variable P2;
auto [res, sv] = test_grammar("name As New String", vb6_grammar::single_var_declaration, P2);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(P2.name == "name");
ut::expect(P2.construct);
ut::expect(P2.type.has_value());
if(P2.type)
{
ut::expect(*P2.type == "String");
}
};
};
};
ut::suite<"vb6_parser_tests"> __ = []
{
ut::test("record_declaration") = []
{
vb6_ast::record rec;
auto [res, sv] = test_grammar("Type PatRecord\r\n name As String\r\n age As Integer\r\nEnd Type\r\n",
vb6_grammar::record_declaration, rec);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(rec.name == "PatRecord");
ut::expect(rec.at == vb6_ast::access_type::na);
ut::expect(rec.members.size() == 2);
ut::expect(rec.members[0].name == "name");
ut::expect(rec.members[0].type.has_value());
if(rec.members[0].type)
{
ut::expect(*rec.members[0].type == "String");
}
ut::expect(!rec.members[0].construct);
ut::expect(rec.members[1].name == "age");
ut::expect(rec.members[1].type.has_value());
if(rec.members[1].type)
{
ut::expect(*rec.members[1].type == "Integer");
}
ut::expect(!rec.members[1].construct);
};
ut::test("enum_declaration") = []
{
vb6_ast::vb_enum enum1;
auto [res, sv] = test_grammar("Enum PatTypes\r\n inpatient\r\n outpatient\r\nEnd Enum\r\n",
vb6_grammar::enum_declaration, enum1);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(enum1.name == "PatTypes");
ut::expect(enum1.at == vb6_ast::access_type::na);
ut::expect((enum1.values.size() == 2) >> ut::fatal);
ut::expect(enum1.values[0].first == "inpatient");
ut::expect(!enum1.values[0].second);
ut::expect(enum1.values[1].first == "outpatient");
ut::expect(!enum1.values[1].second);
};
ut::test("global_var_declaration") = []
{
auto str = "Global g_logger As Long, v1, XRes As New Object, ptr As Module.MyRec, g_active As Boolean\r\n"s;
vb6_ast::global_var_decls vars;
auto [res, sv] = test_grammar(str, vb6_grammar::global_var_declaration, vars);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(vars.at == vb6_ast::access_type::global);
ut::expect(!vars.with_events);
ut::expect((vars.vars.size() == 5) >> ut::fatal);
//cout << "size: " << vars.vars.size() << "\n";
ut::expect(vars.vars[0].name == "g_logger");
ut::expect(!vars.vars[0].construct);
ut::expect(vars.vars[0].type.has_value());
if(vars.vars[0].type)
{
ut::expect(*vars.vars[0].type == "Long");
}
ut::expect(vars.vars[1].name == "v1");
ut::expect(!vars.vars[1].construct);
ut::expect(!vars.vars[1].type.has_value());
ut::expect(vars.vars[2].name == "XRes");
ut::expect(vars.vars[2].construct);
ut::expect(vars.vars[2].type.has_value());
if(vars.vars[2].type)
{
ut::expect(*vars.vars[2].type == "Object");
}
ut::expect(vars.vars[3].name == "ptr");
ut::expect(!vars.vars[3].construct);
ut::expect(vars.vars[3].type.has_value());
if(vars.vars[3].type)
{
ut::expect(*vars.vars[3].type == "MyRec");
}
ut::expect(vars.vars[4].name == "g_active");
ut::expect(!vars.vars[4].construct);
ut::expect(vars.vars[4].type.has_value());
if(vars.vars[4].type)
{
ut::expect(*vars.vars[4].type == "Boolean");
}
};
ut::test("const_var_declaration1") = []
{
auto cstr = "Const e As Single = 2.8, pi As Double = 3.14, u As Integer = -1\r\n"s;
vb6_ast::const_var_stat cvars;
auto [res, sv] = test_grammar(cstr, vb6_grammar::const_var_declaration, cvars);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect((cvars.size() == 3) >> ut::fatal);
//cout << "size: " << cvars.size() << "\n";
ut::expect(cvars[0].var.name == "e");
if(cvars[0].var.type)
{
ut::expect(*cvars[0].var.type == "Single");
}
ut::expect(!cvars[0].var.construct);
ut::expect(boost::get<float>(cvars[0].value.get()) == 2.8f);
ut::expect(cvars[1].var.name == "pi");
if(cvars[1].var.type)
{
ut::expect(*cvars[1].var.type == "Double");
}
ut::expect(!cvars[1].var.construct);
ut::expect(boost::get<float>(cvars[1].value.get()) == 3.14f);
ut::expect(cvars[2].var.name == "u");
if(cvars[2].var.type)
{
ut::expect(*cvars[2].var.type == "Integer");
}
ut::expect(!cvars[2].var.construct);
ut::expect(boost::get<vb6_ast::integer_dec>(cvars[2].value.get()).val == -1);
};
ut::test("const_var_declaration2") = []
{
vb6_ast::const_var_stat cvars;
auto [res, sv] = test_grammar("Private Const PI As Double = 3.1415\r\n",
vb6_grammar::const_var_declaration, cvars);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect((cvars.size() == 1) >> ut::fatal);
//cout << "size: " << cvars.size() << "\n";
ut::expect(cvars[0].var.name == "PI");
if(cvars[0].var.type)
{
ut::expect(*cvars[0].var.type == "Double");
}
ut::expect(!cvars[0].var.construct);
ut::expect(boost::get<float>(cvars[0].value.get()) == 3.1415f);
};
ut::test("param_decl") = []
{
vb6_ast::func_param fp;
auto [res, sv] = test_grammar("Optional ByVal name As String = \"pippo\"", vb6_grammar::param_decl, fp);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(fp.isoptional);
ut::expect(fp.qualifier.has_value());
if(fp.qualifier)
{
ut::expect(*fp.qualifier == vb6_ast::param_qualifier::byval);
}
ut::expect(fp.var.name == "name");
ut::expect(!fp.var.construct);
ut::expect(fp.var.type.has_value());
if(fp.var.type)
{
ut::expect(*fp.var.type == "String");
}
ut::expect(fp.defvalue.has_value());
if(fp.defvalue)
{
ut::expect(boost::get<vb6_ast::quoted_string>(fp.defvalue.get()) == "pippo");
}
};
ut::test("param_list_decl") = []
{
vector<vb6_ast::func_param> fps;
auto [res, sv] = test_grammar("ByVal name As String, ByRef val As Integer",
-(vb6_grammar::param_decl % ','), fps);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
//cout << "size: " << fps.size() << "\n";
ut::expect((fps.size() == 2) >> ut::fatal);
ut::expect(!fps[0].isoptional);
ut::expect(fps[0].qualifier.has_value());
if(fps[0].qualifier)
{
ut::expect(*fps[0].qualifier == vb6_ast::param_qualifier::byval);
}
ut::expect(fps[0].var.name == "name");
ut::expect(!fps[0].var.construct);
ut::expect(fps[0].var.type.has_value());
if(fps[0].var.type)
{
ut::expect(*fps[0].var.type == "String");
}
ut::expect(!fps[0].defvalue);
ut::expect(!fps[1].isoptional);
ut::expect(fps[1].qualifier.has_value());
if(fps[1].qualifier)
{
ut::expect(*fps[1].qualifier == vb6_ast::param_qualifier::byref);
}
ut::expect(fps[1].var.name == "val");
ut::expect(!fps[1].var.construct);
ut::expect(fps[1].var.type.has_value());
if(fps[1].var.type)
{
ut::expect(*fps[1].var.type == "Integer");
}
ut::expect(!fps[1].defvalue);
};
ut::test("event_declaration") = []
{
vb6_ast::eventHead event_decl;
auto [res, sv] = test_grammar("Public Event OnChange(ByVal Text As String)\r\n",
vb6_grammar::eventHead, event_decl);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(event_decl.at == vb6_ast::access_type::public_);
ut::expect(event_decl.name == "OnChange");
ut::expect(event_decl.params.size() == 1);
};
ut::test("function_head") = []
{
vb6_ast::functionHead fh;
auto [res, sv] = test_grammar(
"Private Function OneFunc(ByVal name As String, ByRef val As Integer) As Integer\r\n",
vb6_grammar::functionHead, fh);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(fh.at == vb6_ast::access_type::private_);
ut::expect(fh.name == "OneFunc");
ut::expect(fh.params.size() == 2);
ut::expect(fh.return_type.has_value());
ut::expect(*fh.return_type == "Integer");
};
ut::test("function_head_no_params") = []
{
vb6_ast::functionHead fh;
auto [res, sv] = test_grammar(
"Private Function NoParamFunc() As Object\r\n", vb6_grammar::functionHead, fh);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(fh.at == vb6_ast::access_type::private_);
ut::expect(fh.name == "NoParamFunc");
ut::expect(fh.params.empty());
ut::expect((fh.return_type.has_value()) >> ut::fatal);
ut::expect(*fh.return_type == "Object");
};
ut::test("subroutine_head") = []
{
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(
"Private Sub my_sub(ByRef str As String, ByVal valid As Boolean)\r\n",
vb6_grammar::subHead, sh);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(sh.at == vb6_ast::access_type::private_);
ut::expect(sh.name == "my_sub");
ut::expect(sh.params.size() == 2);
};
ut::test("subroutine_head2") = []
{
auto str = "Private Sub my_sub(ByRef str As String, ByVal valid As Boolean, Optional ByVal flag As Boolean = True)\r\n"s;
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(str, vb6_grammar::subHead, sh);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(sh.at == vb6_ast::access_type::private_);
ut::expect(sh.name == "my_sub");
ut::expect(sh.params.size() == 3);
};
ut::test("subroutine_head_with_optional_params") = []
{
vb6_ast::subHead sh;
auto [res, sv] = test_grammar(
"Private Sub my_sub(ByRef str As String, Optional ByVal valid As Boolean = false)\r\n",
vb6_grammar::subHead, sh);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(sh.at == vb6_ast::access_type::private_);
ut::expect(sh.name == "my_sub");
ut::expect((sh.params.size() == 2) >> ut::fatal);
ut::expect(sh.params[0].qualifier.has_value());
if (sh.params[0].qualifier)
ut::expect(sh.params[0].qualifier.get() == vb6_ast::param_qualifier::byref);
ut::expect(sh.params[0].var.name == "str");
if(sh.params[0].var.type)
{
ut::expect(*sh.params[0].var.type == "String");
}
ut::expect(!sh.params[0].var.construct);
ut::expect(!sh.params[0].isoptional);
ut::expect(!sh.params[0].defvalue);
ut::expect(sh.params[1].qualifier.has_value());
if(sh.params[1].qualifier)
{
ut::expect(sh.params[1].qualifier.get() == vb6_ast::param_qualifier::byval);
}
ut::expect(sh.params[1].var.name == "valid");
if(sh.params[1].var.type)
{
ut::expect(*sh.params[1].var.type == "Boolean");
}
ut::expect(!sh.params[1].var.construct);
ut::expect(sh.params[1].isoptional);
ut::expect(sh.params[1].defvalue.has_value());
if(sh.params[0].defvalue)
{
ut::expect(boost::get<bool>(*sh.params[0].defvalue) == false);
}
};
ut::test("property_let_head") = []
{
auto str = "Public Property Let Width(ByVal w As Integer)\r\n"s;
vb6_ast::propertyLetHead ast;
auto [res, sv] = test_grammar(str, vb6_grammar::property_letHead, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ast.at == vb6_ast::access_type::public_);
ut::expect(ast.name == "Width");
ut::expect(ast.params.size() == 1);
};
ut::test("property_get_head") = []
{
auto str = "Public Property Get Width() As Integer\r\n"s;
vb6_ast::propertyGetHead ast;
auto [res, sv] = test_grammar(str, vb6_grammar::property_getHead, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ast.at == vb6_ast::access_type::public_);
ut::expect(ast.name == "Width");
ut::expect(ast.params.size() == 0);
ut::expect(ast.return_type >> fatal);
ut::expect(*ast.return_type == "Integer");
};
ut::test("dll_subroutine_declaration") = []
{
vb6_ast::externalSub extsub;
auto str = "Private Declare Sub BeepVB Lib \"kernel32.dll\" Alias \"Beep\" (ByVal time As Long, ByVal xx As Single)\r\n"s;
auto [res, sv] = test_grammar(str, vb6_grammar::external_sub_decl, extsub);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(extsub.at == vb6_ast::access_type::private_);
ut::expect(extsub.name == "BeepVB");
ut::expect(extsub.alias == "Beep");
ut::expect(extsub.params.size() == 2);
ut::expect(extsub.lib == "kernel32.dll");
};
ut::test("dll_function_declaration") = []
{
vb6_ast::externalFunction extfunc;
auto str = "Private Declare Function BeepVB Lib \"kernel32.dll\" Alias \"Beep\" (ByVal time As Long, ByVal xx As Single) As Long\r\n"s;
auto [res, sv] = test_grammar(str, vb6_grammar::external_function_decl, extfunc);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(extfunc.at == vb6_ast::access_type::private_);
ut::expect(extfunc.name == "BeepVB");
ut::expect(extfunc.return_type.has_value());
if(extfunc.return_type)
{
ut::expect(*extfunc.return_type == "Long");
}
ut::expect(extfunc.alias == "Beep");
ut::expect(extfunc.params.size() == 2);
ut::expect(extfunc.lib == "kernel32.dll");
};
ut::test("identifier_context") = []
{
vb6_ast::identifier_context ctx;
auto [res, sv] = test_grammar("var1.func().pnt1.", vb6_grammar::identifier_context, ctx);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(!ctx.leading_dot);
ut::expect((ctx.elements.size() == 3) >> ut::fatal);
ut::expect(boost::get<string>(ctx.elements[0].get()) == "var1");
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(ctx.elements[1].get()).get();
ut::expect(tmp.func_name == "func");
ut::expect(tmp.params.empty());
ut::expect(boost::get<string>(ctx.elements[2].get()) == "pnt1");
};
ut::test("decorated_variable") = []
{
vb6_ast::decorated_variable dec_var;
auto [res, sv] = test_grammar("var1.func().pnt1.X", vb6_grammar::decorated_variable, dec_var);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(!dec_var.ctx.leading_dot);
ut::expect((dec_var.ctx.elements.size() == 3) >> ut::fatal);
ut::expect(boost::get<string>(dec_var.ctx.elements[0].get()) == "var1");
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(dec_var.ctx.elements[1].get()).get();
ut::expect(tmp.func_name == "func");
ut::expect(tmp.params.empty());
ut::expect(boost::get<string>(dec_var.ctx.elements[2].get()) == "pnt1");
ut::expect(dec_var.var == "X");
};
ut::test("attribute_block") = []
{
vb6_ast::STRICT_MODULE_STRUCTURE::module_attributes attrs;
auto str = "Attribute ModuleName = \"MyForm\"\r\n"
"Attribute ProgID = \"00-00-00-00\"\r\n"s;
auto [res, sv] = test_grammar(str, *vb6_grammar::attributeDef, attrs);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(attrs.size() == 2);
auto it1 = attrs.find("ModuleName");
ut::expect(it1 != attrs.cend());
if(it1 != attrs.cend())
{
ut::expect(it1->second == "MyForm");
}
auto it2 = attrs.find("ProgID");
ut::expect(it2 != attrs.cend());
if(it2 != attrs.cend())
{
ut::expect(it2->second == "00-00-00-00");
}
};
ut::test("attributes") = []
{
vb6_ast::STRICT_MODULE_STRUCTURE::module_attributes ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
)vb"s;
//auto [res, sv] = test_grammar(str, vb6_grammar::preamble, ast);
auto [res, sv] = test_grammar(str, *vb6_grammar::attributeDef, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(ast.size() == 2);
auto const it1 = ast.find("ModuleName");
ut::expect(it1 != ast.cend());
if(it1 != ast.cend())
{
ut::expect(it1->second == "MyForm");
}
auto const it2 = ast.find("ProgID");
ut::expect(it2 != ast.cend());
if(it2 != ast.cend())
{
ut::expect(it2->second == "00-00-00-00");
}
};
ut::test("options") = []
{
vector<vb6_ast::module_option> ast;
auto str = R"vb(Option Explicit
Option Base 0
)vb"s;
auto [res, sv] = test_grammar(str, *vb6_grammar::option_item, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect((ast.size() == 2) >> ut::fatal);
ut::expect(ast[0] == vb6_ast::module_option::explicit_);
ut::expect(ast[1] == vb6_ast::module_option::base_0);
};
#if 0
ut::test("declaration_block") = []
{
auto const declarations
= boost::spirit::x3::rule<class _, vector<vb6_ast::STRICT_MODULE_STRUCTURE::declaration>>("declaration_block")
= *vb6_grammar::STRICT_MODULE_STRUCTURE::declaration;
vector<vb6_ast::STRICT_MODULE_STRUCTURE::declaration> decls;
auto str = "Const e As Double = 2.8, pi As Double = 3.14, u As Integer = -1\r\n"
"Global g_logger As Long, v1, XRes As Object, ptr As MyRec, g_active As Boolean\r\n"
"Private Declare Sub PFoo Lib \"mylib.dll\" Alias \"PFoo\" (ByVal val As Long)\r\n"
"Enum MyEnum1\r\n c1 = 0\r\n c2 = 1\r\nEnd Enum\r\n"
"Public Type MyRecord1\r\n v1 As String\r\n v2 As Long\r\nEnd Type\r\n"s;
auto [res, sv] = test_grammar(str, declarations, decls);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect((decls.size() == 5) >> ut::fatal);
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::const_var_stat>(decls[0].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::global_var_decls>(decls[1].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::externalSub>(decls[2].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::vb_enum>(decls[3].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::record>(decls[4].get();})));
};
ut::test("bas_unit_STRICT_MODULE_STRUCTURE") = []
{
vb6_ast::STRICT_MODULE_STRUCTURE::vb_module ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
Option Explicit
Option Base 0
' declarations
Const u As Integer = 1234
Global g_logger As Long
Enum MyEnum1
c1 = 0
c2 = 1
End Enum
Sub my_sub(ByRef str As String)
End Sub
Function my_fun(ByRef str As String) As Long
End Function
)vb"s;
auto [res, sv] = test_grammar(str, vb6_grammar::STRICT_MODULE_STRUCTURE::basModDef, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
vb6_ast_printer P(cout);
P(ast);
ut::expect(ast.attrs.size() == 2);
auto const it1 = ast.attrs.find("ModuleName");
EXPECT_NE(it1, ast.attrs.cend());
if(it1 != ast.attrs.cend())
{
ut::expect(it1->second == "MyForm");
}
auto const it2 = ast.attrs.find("ProgID");
EXPECT_NE(it2, ast.attrs.cend());
if(it2 != ast.attrs.cend())
{
ut::expect(it2->second == "00-00-00-00");
}
ut::expect(ast.opts.items.size() == 4);
if(ast.opts.items.size() == 4)
{
#if 0
ut::expect(ast.opts.items[0] == vb6_ast::module_option::explicit_);
ut::expect(ast.opts.items[1] == vb6_ast::module_option::base_0);
#else
ut::expect(boost::get<vb6_ast::module_option>(ast.opts.items[0].get()) == vb6_ast::module_option::explicit_);
ut::expect(boost::get<vb6_ast::module_option>(ast.opts.items[1].get()) == vb6_ast::module_option::base_0);
#endif
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::empty_line>(ast.opts.items[2].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::lonely_comment>(ast.opts.items[3].get();})));
}
ut::expect(ast.declarations.size() == 3);
if(ast.declarations.size() == 3)
{
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::const_var_stat>(ast.declarations[0].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::global_var_decls>(ast.declarations[1].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::vb_enum>(ast.declarations[2].get();})));
}
ut::expect(ast.functions.size() == 2);
if(ast.functions.size() == 2)
{
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::subDef>(ast.functions[0].get();})));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::functionDef>(ast.functions[1].get();})));
}
};
#endif
ut::test("bas_unit") = []
{
vb6_ast::vb_module ast;
auto str = R"vb(Attribute ModuleName = "MyForm"
Attribute ProgID = "00-00-00-00"
Option Explicit
Option Base 0
' declarations
Const u As Integer = 1234
Global g_logger As Long
Enum MyEnum1
c1 = 0
c2 = 1
End Enum
Sub my_sub(ByRef str As String)
End Sub
Function my_fun(ByRef str As String) As Long
End Function
)vb"s;
auto [res, sv] = test_grammar(str, vb6_grammar::basModDef, ast);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
vb6_ast_printer P(cout);
P(ast);
ut::expect(ut::eq(ast.size(), 11) >> ut::fatal);
ut::expect(boost::get<vb6_ast::module_attribute>(ast[0].get()).first == "ModuleName");
ut::expect(boost::get<vb6_ast::module_attribute>(ast[1].get()).first == "ProgID");
ut::expect(boost::get<vb6_ast::module_option>(ast[2].get()) == vb6_ast::module_option::explicit_);
ut::expect(boost::get<vb6_ast::module_option>(ast[3].get()) == vb6_ast::module_option::base_0);
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::empty_line>(ast[4].get());}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::lonely_comment>(ast[5].get());}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::const_var_stat>(boost::get<vb6_ast::declaration>(ast[6].get()));}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::global_var_decls>(boost::get<vb6_ast::declaration>(ast[7].get()));}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::vb_enum>(boost::get<vb6_ast::declaration>(ast[8].get()));}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::subDef>(ast[9].get());}));
ut::expect(ut::nothrow([ast](){boost::get<vb6_ast::functionDef>(ast[10].get());}));
};
ut::test("trailing_comment") = []
{
auto str = "Global g_var As Long ' how can we catch a trailing comment?\r\n"s;
vb6_ast::global_var_decls vars;
auto [res, sv] = test_grammar(str, vb6_grammar::global_var_declaration, vars);
ut::expect((res) >> fatal) << "stopped at: " << sv;
ut::expect(sv.empty());
ut::expect(vars.at == vb6_ast::access_type::global);
ut::expect(!vars.with_events);
ut::expect((vars.vars.size() == 1) >> ut::fatal);
ut::expect(vars.vars[0].name == "g_var");
ut::expect(!vars.vars[0].construct);
ut::expect(vars.vars[0].type.has_value());
if(vars.vars[0].type)
{
ut::expect(*vars.vars[0].type == "Long");
}
};
};
int main([[maybe_unused]] int argc, [[maybe_unused]] char* argv[])
{
log_compiler_info(std::cout);
bool res = boost::ut::cfg<boost::ut::override>.run();
return res ? 0 : -1;
}

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test/vb6_parser_statements.gtest.cpp Normal file
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//: vb6_parser_statements_test.cpp
// vb6_parser
// Copyright (c) 2022 Federico Aponte
// This code is licensed under GNU Software License (see LICENSE.txt for details)
//#define BOOST_SPIRIT_X3_DEBUG
#include "test_grammar_helper_ut.hpp"
#include "vb6_parser.hpp"
#include <gtest/gtest.h>
#include <iostream>
#include <map>
#include <vector>
using namespace std;
namespace x3 = boost::spirit::x3;
GTEST_TEST(vb6_parser_statements, Assignment_0)
{
vb6_ast::statements::assignStmt st;
auto [res, sv] = test_grammar("Set var1 = \" ciao\"\r\n", vb6_grammar::statements::assignmentStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::assignmentType::set);
EXPECT_EQ(st.var.var, "var1");
EXPECT_FALSE(st.var.ctx.leading_dot);
EXPECT_TRUE(st.var.ctx.elements.empty());
EXPECT_EQ(boost::get<vb6_ast::quoted_string>(
boost::get<vb6_ast::const_expr>(st.rhs.get()).get()
), " ciao");
}
GTEST_TEST(vb6_parser_statements, Assignment_1)
{
vb6_ast::statements::assignStmt st;
auto [res, sv] = test_grammar("Let var2 = 54.7\r\n", vb6_grammar::statements::assignmentStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::assignmentType::let);
EXPECT_EQ(st.var.var, "var2");
EXPECT_FALSE(st.var.ctx.leading_dot);
EXPECT_TRUE(st.var.ctx.elements.empty());
EXPECT_EQ(boost::get<float>(
boost::get<vb6_ast::const_expr>(st.rhs.get()).get()
), 54.7f);
}
GTEST_TEST(vb6_parser_statements, Assignment_2)
{
vb6_ast::statements::assignStmt st;
auto [res, sv] = test_grammar("var3 = Func(\"descr\", 54.7)\r\n", vb6_grammar::statements::assignmentStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::assignmentType::na);
EXPECT_EQ(st.var.var, "var3");
EXPECT_FALSE(st.var.ctx.leading_dot);
EXPECT_TRUE(st.var.ctx.elements.empty());
auto& func = boost::get<x3::forward_ast<vb6_ast::func_call>>(
st.rhs.get()
).get();
EXPECT_EQ(func.func_name, "Func");
}
GTEST_TEST(vb6_parser_statements, Assignment_3)
{
vb6_ast::statements::assignStmt st;
auto [res, sv] = test_grammar("str = CStr(i)\r\n", vb6_grammar::statements::assignmentStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::assignmentType::na);
EXPECT_EQ(st.var.var, "str");
EXPECT_FALSE(st.var.ctx.leading_dot);
EXPECT_TRUE(st.var.ctx.elements.empty());
}
GTEST_TEST(vb6_parser_statements, LocalVarDecl_1)
{
vb6_ast::statements::localVarDeclStmt st;
auto [res, sv] = test_grammar("Dim var As New Form\r\n", vb6_grammar::statements::localvardeclStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::localvardeclType::Dim);
ASSERT_EQ(st.vars.size(), 1);
EXPECT_TRUE(st.vars[0].construct);
EXPECT_EQ(st.vars[0].name, "var");
ASSERT_TRUE(st.vars[0].type);
EXPECT_EQ(*st.vars[0].type, "Form");
}
GTEST_TEST(vb6_parser_statements, LocalVarDecl_2)
{
vb6_ast::statements::localVarDeclStmt st;
auto [res, sv] = test_grammar("Static var1 As String, var2 As Integer\r\n", vb6_grammar::statements::localvardeclStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::localvardeclType::Static);
ASSERT_EQ(st.vars.size(), 2);
EXPECT_FALSE(st.vars[0].construct);
EXPECT_EQ(st.vars[0].name, "var1");
ASSERT_TRUE(st.vars[0].type);
EXPECT_EQ(*st.vars[0].type, "String");
EXPECT_FALSE(st.vars[1].construct);
EXPECT_EQ(st.vars[1].name, "var2");
ASSERT_TRUE(st.vars[1].type);
EXPECT_EQ(*st.vars[1].type, "Integer");
}
GTEST_TEST(vb6_parser_statements, ReDim)
{
vb6_ast::statements::redimStmt st;
auto [res, sv] = test_grammar("ReDim var1(15)\r\n", vb6_grammar::statements::redimStmt, st);
//auto [res, sv] = test_grammar("ReDim var1(2*L + 1)\r\n", vb6_grammar::statements::redimStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_FALSE(st.preserve);
EXPECT_EQ(st.var.var, "var1");
}
GTEST_TEST(vb6_parser_statements, Exit)
{
vb6_ast::statements::exitStmt st;
auto [res, sv] = test_grammar("Exit Function\r\n", vb6_grammar::statements::exitStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::exit_type::function);
}
GTEST_TEST(vb6_parser_statements, GoTo)
{
vb6_ast::statements::gotoStmt st;
auto [res, sv] = test_grammar("GoSub label1\r\n", vb6_grammar::statements::gotoStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::gotoType::gosub_v);
EXPECT_EQ(st.label, "label1");
}
GTEST_TEST(vb6_parser_statements, OnError)
{
vb6_ast::statements::onerrorStmt st;
auto [res, sv] = test_grammar("On Error Resume Next\r\n", vb6_grammar::statements::onerrorStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::onerror_type::resume_next);
EXPECT_TRUE(st.label.empty());
}
GTEST_TEST(vb6_parser_statements, Resume)
{
vb6_ast::statements::resumeStmt st;
{
auto [res, sv] = test_grammar("Resume\r\n", vb6_grammar::statements::resumeStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::resume_type::implicit);
}
{
auto [res, sv] = test_grammar("Resume Next\r\n", vb6_grammar::statements::resumeStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::resume_type::next);
}
{
auto [res, sv] = test_grammar("Resume 0\r\n", vb6_grammar::statements::resumeStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::resume_type::line_nr);
EXPECT_EQ(boost::get<int>(st.label_or_line_nr), 0);
}
{
auto [res, sv] = test_grammar("Resume resume_point\r\n", vb6_grammar::statements::resumeStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.type, vb6_ast::resume_type::label);
EXPECT_EQ(boost::get<string>(st.label_or_line_nr), "resume_point");
}
}
GTEST_TEST(vb6_parser_statements, Label)
{
vb6_ast::statements::labelStmt st;
auto [res, sv] = test_grammar("label1:\r\n", vb6_grammar::statements::labelStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.label, "label1");
}
GTEST_TEST(vb6_parser_statements, Call_explicit)
{
vb6_ast::statements::callStmt st;
auto [res, sv] = test_grammar("Call Foo(13)\r\n", vb6_grammar::statements::callexplicitStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_TRUE(st.explicit_call);
EXPECT_EQ(st.sub_name, "Foo");
EXPECT_EQ(st.params.size(), 1);
{
auto [res, sv] = test_grammar("Call Foo 13\r\n", vb6_grammar::statements::callexplicitStmt, st);
ASSERT_FALSE(res) << "stopped at: " << sv;
//EXPECT_TRUE(sv.empty());
}
}
GTEST_TEST(vb6_parser_statements, Call_implicit)
{
vb6_ast::statements::callStmt st;
auto [res, sv] = test_grammar("Foo \"Sea\", Nothing, False\r\n", vb6_grammar::statements::callimplicitStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_FALSE(st.explicit_call);
EXPECT_EQ(st.sub_name, "Foo");
EXPECT_EQ(st.params.size(), 3);
}
GTEST_TEST(vb6_parser_statements, RaiseEvent)
{
vb6_ast::statements::raiseeventStmt st;
auto [res, sv] = test_grammar("RaiseEvent OnChange(\"hi!\")\r\n",
vb6_grammar::statements::raiseeventStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
}
GTEST_TEST(vb6_parser_statements, statement_block)
{
vb6_ast::statements::statement_block st;
auto [res, sv] = test_grammar(
R"vb(Set var1 = " ciao"
Let var2 = 54.7
var3 = Func("descr", 54.7)
str = CStr(i)
Dim var As New Form
Static var1 As String, var2 As Integer
ReDim var1(15)
Exit Function
GoSub label1
On Error Resume Next
Resume Next
label1:
Call Foo(13)
Foo "Sea", Nothing, False
RaiseEvent OnChange("hi!")
)vb", vb6_grammar::statements::statement_block, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(st.size(), 15);
EXPECT_EQ(st[0].get().type(), typeid(vb6_ast::statements::assignStmt));
EXPECT_EQ(st[1].get().type(), typeid(vb6_ast::statements::assignStmt));
EXPECT_EQ(st[2].get().type(), typeid(vb6_ast::statements::assignStmt));
EXPECT_EQ(st[3].get().type(), typeid(vb6_ast::statements::assignStmt));
EXPECT_EQ(st[4].get().type(), typeid(vb6_ast::statements::localVarDeclStmt));
EXPECT_EQ(st[5].get().type(), typeid(vb6_ast::statements::localVarDeclStmt));
EXPECT_EQ(st[6].get().type(), typeid(vb6_ast::statements::redimStmt));
EXPECT_EQ(st[7].get().type(), typeid(vb6_ast::statements::exitStmt));
EXPECT_EQ(st[8].get().type(), typeid(vb6_ast::statements::gotoStmt));
EXPECT_EQ(st[9].get().type(), typeid(vb6_ast::statements::onerrorStmt));
EXPECT_EQ(st[10].get().type(), typeid(vb6_ast::statements::resumeStmt));
EXPECT_EQ(st[11].get().type(), typeid(vb6_ast::statements::labelStmt));
EXPECT_EQ(st[12].get().type(), typeid(vb6_ast::statements::callStmt));
EXPECT_EQ(st[13].get().type(), typeid(vb6_ast::statements::callStmt));
EXPECT_EQ(st[14].get().type(), typeid(vb6_ast::statements::raiseeventStmt));
}
GTEST_TEST(vb6_parser_compound_statements, With)
{
vb6_ast::statements::withStmt st;
auto [res, sv] = test_grammar(
R"vb(With obj
'Call Module1.foo(True, .Name)
Call foo(True, .Name)
End With
)vb", vb6_grammar::statements::withStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_FALSE(st.with_variable.ctx.leading_dot);
EXPECT_TRUE(st.with_variable.ctx.elements.empty());
EXPECT_EQ(st.with_variable.var, "obj");
EXPECT_EQ(st.block.size(), 2);
}
GTEST_TEST(vb6_parser_compound_statements, While)
{
vb6_ast::statements::whileStmt st;
auto [res, sv] = test_grammar(
R"vb(While cond(34, i)
Print str
Wend
)vb",
vb6_grammar::statements::whileStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(st.condition.get()).get();
EXPECT_EQ(tmp.func_name, "cond");
EXPECT_EQ(tmp.params.size(), 2);
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, Do)
{
vb6_ast::statements::doStmt st;
auto [res, sv] = test_grammar(
R"vb(Do
Print str
Loop
)vb",
vb6_grammar::statements::doStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, DoWhile)
{
vb6_ast::statements::dowhileStmt st;
auto [res, sv] = test_grammar(
R"vb(Do While cond(34, i)
Print str
Loop
)vb",
vb6_grammar::statements::dowhileStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(st.condition.get()).get();
EXPECT_EQ(tmp.func_name, "cond");
EXPECT_EQ(tmp.params.size(), 2);
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, LoopWhile)
{
vb6_ast::statements::loopwhileStmt st;
auto [res, sv] = test_grammar(
R"vb(Do
Print str
Loop While cond(34, i)
)vb",
vb6_grammar::statements::loopwhileStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(st.condition.get()).get();
EXPECT_EQ(tmp.func_name, "cond");
EXPECT_EQ(tmp.params.size(), 2);
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, DoUntil)
{
vb6_ast::statements::dountilStmt st;
auto [res, sv] = test_grammar(
R"vb(Do Until cond(34, i)
Print str
Loop
)vb",
vb6_grammar::statements::dountilStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(st.condition.get()).get();
EXPECT_EQ(tmp.func_name, "cond");
EXPECT_EQ(tmp.params.size(), 2);
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, LoopUntil)
{
vb6_ast::statements::loopuntilStmt st;
auto [res, sv] = test_grammar(
R"vb(Do
Print str
Loop Until cond(34, i)
)vb",
vb6_grammar::statements::loopuntilStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp = boost::get<x3::forward_ast<vb6_ast::func_call>>(st.condition.get()).get();
EXPECT_EQ(tmp.func_name, "cond");
EXPECT_EQ(tmp.params.size(), 2);
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, For)
{
vb6_ast::statements::forStmt st;
auto [res, sv] = test_grammar(
R"vb(For i = 1 To 100 Step 2
Dim str As String
str = CStr(i)
Print str
Next i
)vb",
vb6_grammar::statements::forStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.for_variable.var, "i");
EXPECT_FALSE(st.for_variable.ctx.leading_dot);
EXPECT_TRUE(st.for_variable.ctx.elements.empty());
auto& tmp1 = boost::get<vb6_ast::const_expr>(st.from.get()).get();
auto& tmp2 = boost::get<vb6_ast::const_expr>(st.to.get()).get();
auto& tmp3 = boost::get<vb6_ast::const_expr>(st.step.get()).get();
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(tmp1).val, 1);
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(tmp2).val, 100);
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(tmp3).val, 2);
EXPECT_EQ(st.block.size(), 3);
}
GTEST_TEST(vb6_parser_compound_statements, ForEach)
{
vb6_ast::statements::foreachStmt st;
auto [res, sv] = test_grammar(
R"vb(For Each el In Items
Call Print(el)
Next el
)vb",
vb6_grammar::statements::foreachStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(st.for_variable.var, "el");
EXPECT_FALSE(st.for_variable.ctx.leading_dot);
EXPECT_TRUE(st.for_variable.ctx.elements.empty());
auto& tmp1 = boost::get<vb6_ast::decorated_variable>(st.container.get());
EXPECT_TRUE(tmp1.ctx.elements.empty());
EXPECT_EQ(tmp1.var, "Items");
EXPECT_EQ(st.block.size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, IfElse_substatements)
{
{
vb6_ast::statements::if_branch ast1;
auto [res, sv] = test_grammar(
R"vb(If cond1 Then
Dim str As String
str = CStr(i)
Print str
)vb",
vb6_grammar::statements::ifBranch, ast1);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp1 = boost::get<vb6_ast::decorated_variable>(ast1.condition.get());
EXPECT_EQ(tmp1.var, "cond1");
EXPECT_EQ(ast1.block.size(), 3);
}
{
vb6_ast::statements::if_branch ast2;
auto [res, sv] = test_grammar(
R"vb(ElseIf cond2 Then
Dim str As String
str = CStr(i)
Print str
)vb",
vb6_grammar::statements::elsifBranch, ast2);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
auto& tmp2 = boost::get<vb6_ast::decorated_variable>(ast2.condition.get());
EXPECT_EQ(tmp2.var, "cond2");
EXPECT_EQ(ast2.block.size(), 3);
}
{
vb6_ast::statements::statement_block ast3;
auto [res, sv] = test_grammar(
R"vb(Else
Print str
'End If
)vb",
vb6_grammar::statements::elseBranch, ast3);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
EXPECT_EQ(ast3.size(), 2);
}
}
GTEST_TEST(vb6_parser_compound_statements, IfElse)
{
vb6_ast::statements::ifelseStmt ast;
auto [res, sv] = test_grammar(
R"vb(If cond1 Then
Print "1"
ElseIf cond2 Then
Print "2"
ElseIf cond3 Then
Print "3"
Else
Print "4"
End If
)vb",
vb6_grammar::statements::ifelseStmt, ast);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
#ifdef SIMPLE_IF_STATEMENT
EXPECT_EQ(ast.first_branch.block.size(), 5);
auto& tmp1 = boost::get<vb6_ast::decorated_variable>(ast.first_branch.condition.get());
EXPECT_EQ(tmp1.var, "cond1");
#else
EXPECT_EQ(ast.first_branch.block.size(), 1);
auto& tmp0 = boost::get<vb6_ast::decorated_variable>(ast.first_branch.condition.get());
EXPECT_EQ(tmp0.var, "cond1");
ASSERT_EQ(ast.if_branches.size(), 2);
EXPECT_EQ(ast.if_branches[0].block.size(), 1);
auto& tmp1 = boost::get<vb6_ast::decorated_variable>(ast.if_branches[0].condition.get());
EXPECT_EQ(tmp1.var, "cond2");
EXPECT_EQ(ast.if_branches[1].block.size(), 1);
auto& tmp2 = boost::get<vb6_ast::decorated_variable>(ast.if_branches[1].condition.get());
EXPECT_EQ(tmp2.var, "cond3");
#endif
ASSERT_TRUE(ast.else_branch.has_value());
EXPECT_EQ(ast.else_branch.get().size(), 1);
}
GTEST_TEST(vb6_parser_compound_statements, Select)
{
vb6_ast::statements::selectStmt st;
auto [res, sv] = test_grammar(
R"vb(Select Case frm.Type
Case 0
Dim str As String
Call Print(0)
Case 1
' case 1
Dim str As String
'Case 1 To 4, 7 To 9, 11, 13, Is > MaxNumber
' Print "Difficult"
'Case Else
' Print "Default"
End Select
)vb", vb6_grammar::statements::selectStmt, st);
ASSERT_TRUE(res) << "stopped at: " << sv;
EXPECT_TRUE(sv.empty());
ASSERT_EQ(st.condition.get().type(), typeid(vb6_ast::decorated_variable));
EXPECT_EQ(boost::get<vb6_ast::decorated_variable>(st.condition.get()).var, "Type");
EXPECT_EQ(st.blocks.size(), 2);
ASSERT_EQ(st.blocks[0].case_expr.get().type(), typeid(vb6_ast::const_expr));
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(
boost::get<vb6_ast::const_expr>(st.blocks[0].case_expr.get()).get()
).val, 0);
ASSERT_EQ(st.blocks[0].block.size(), 2);
EXPECT_EQ(st.blocks[0].block[0].get().type(), typeid(vb6_ast::statements::localVarDeclStmt));
EXPECT_EQ(st.blocks[0].block[1].get().type(), typeid(vb6_ast::statements::callStmt));
ASSERT_EQ(st.blocks[1].case_expr.get().type(), typeid(vb6_ast::const_expr));
EXPECT_EQ(boost::get<vb6_ast::integer_dec>(
boost::get<vb6_ast::const_expr>(st.blocks[1].case_expr.get()).get()
).val, 1);
ASSERT_EQ(st.blocks[1].block.size(), 6);
EXPECT_EQ(st.blocks[1].block[0].get().type(), typeid(vb6_ast::lonely_comment));
EXPECT_EQ(st.blocks[1].block[1].get().type(), typeid(vb6_ast::statements::localVarDeclStmt));
}

34
test/vb6_parser_test_main.cpp Normal file
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//: vb6_parser_test_main.cpp
// vb6_parser
// Copyright (c) 2022 Federico Aponte
// This code is licensed under GNU Software License (see LICENSE.txt for details)
#include <gtest/gtest.h>
#include <iostream>
int main(int argc, char* argv[])
{
testing::InitGoogleTest(&argc, argv);
/*
--gtest_list_tests
--gtest_filter=POSITIVE_PATTERNS[-NEGATIVE_PATTERNS]
--gtest_also_run_disabled_tests
--gtest_repeat=[COUNT]
--gtest_shuffle
--gtest_random_seed=[NUMBER]
--gtest_color=(yes|no|auto)
--gtest_brief=1
--gtest_print_time=0
--gtest_output=(json|xml)[:DIRECTORY_PATH/|:FILE_PATH]
--gtest_death_test_style=(fast|threadsafe)
--gtest_break_on_failure
--gtest_throw_on_failure
--gtest_catch_exceptions=0
*/
//::test::GTEST_FLAG(list_tests) = true;
//::testing::GTEST_FLAG(filter) = "*empty_lines*";
return RUN_ALL_TESTS();
}