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|
// test lexer
/*
$
g++ \
module-test/lexer_test.cc \
src/lang_analysis/token.cc \
src/lang_analysis/ast.cc \
src/lang_analysis/symbol_property.cc \
src/util/string.cc \
-std=c++23 -Iinclude -Ithird_party/magic_enum/include \
-O0 -ggdb3 -fno-omit-frame-pointer -fno-inline -D_GLIBCXX_ASSERTIONS \
-o module-test/lexer_test.out
*/
#include <iostream>
#include <string>
#include <type_traits>
#include <unistd.h>
#include <cstring>
#include <vector>
#include <print>
#include <stdexcept>
#include "magic_enum/magic_enum.hpp"
#include "lang_analysis/ast.h"
#include "lang_analysis/enum_type.h"
#include "lang_analysis/token.h"
#include "global.h"
#include "error.h"
#include "util/string.h"
using namespace std;
using namespace ov4;
constexpr int MAXLINE = 1024;
int main()
{
verbose = true;
int test_case = 19;
string s;
switch (test_case)
{
case 0:
s = "hello | hi || foo && bar || baz &";
break;
case 1:
s = "hi";
break;
case 2:
s = "&&";
break;
case 3:
s = "hi (hello || foo)";
break;
case 4:
s = "alpha || beta (gamma argument && (delta || epsilon second_argument & ) )";
break;
case 5:
s = "alpha || beta && (gamma || epsilon)";
break;
// bracket matching test
case 6:
s = ")alpha && beta(";
break;
// basic scriptio continua
// syntax is wrong but just to test tokenizer
case 7:
s = "((alpha&|&&beta)||gamma&&&delta)";
break;
// simple guard test
case 8:
s = "\'text\' &&";
break;
// guard test
case 9:
s = "\'realOperator\' && \"fake&&\" real ||";
break;
// guard test
// with space
case 10:
s = "\'This should be 1 token\' symbol && text \'&&\'";
break;
// missing test
// missing right
case 11:
s = "alpha&&";
break;
// missing test
// missing left
case 12:
s = "&&left";
break;
// existance test
// exist right
case 13:
s = "alpha&beta";
break;
// simple subshell test
case 14:
s = "alpha && (beta)";
break;
// complex subshell test
case 15:
s = "alpha && (beta || gamma) && (sleep &)";
break;
// \n test
case 16:
s = "(ls)";
break;
// more LEFT brackets than RIGHT
case 17:
s = "((alpha)";
break;
// quotation mark in command
case 18:
s = "argument_printer.out \"hello hi\" second third &";
break;
// harder quotation mark test
case 19:
s = "alpha \"arg1 arg2 \'arg3 arg4\' arg5\" && beta &";
break;
default:
return 0;
}
try
{
T_lexer lexer_instance;
lexer_instance.tokenizer(s);
cout << "---------- tokenizer ----------" << endl;
for (auto c : lexer_instance.token)
{
if (c.token_type == LOGIC_AND)
println("{} LOGIC_AND", c.bracket_depth);
else if (c.token_type == LOGIC_OR)
println("{} LOGIC_OR", c.bracket_depth);
else if (c.token_type == ASYNC)
println("{} ASYNC", c.bracket_depth);
else if (c.token_type == PIPE)
println("{} PIPE", c.bracket_depth);
else if (c.token_type == LEFT_BRACKET)
println("{} LEFT_BRACKET", c.bracket_depth);
else if (c.token_type == RIGHT_BRACKET)
println("{} RIGHT_BRACKET", c.bracket_depth);
else if (c.token_type == TEXT)
println("{} TEXT .{}.", c.bracket_depth, c.text);
}
cout << "---------- parse ----------" << endl;
lexer_instance.parse(0, lexer_instance.token.size(), lexer_instance.alloc_ast());
cout << "---------- AST ----------" << endl;
for (size_t i = 0; i < lexer_instance.ast.size(); i++)
{
print("{}: type: {} left: {} right: {}, subshell {}",
i,
magic_enum::enum_name(lexer_instance.ast[i].token_type),
lexer_instance.ast[i].left,
lexer_instance.ast[i].right,
lexer_instance.ast[i].subshell ? "TRUE" : "FALSE");
if (lexer_instance.ast[i].token_type == TEXT)
print(" command: {}", lexer_instance.ast[i].command_text);
println();
}
}
catch(const T_error &e)
{
cerr << "Error: " << magic_enum::enum_name(e.code) << endl;
cerr << "what: " << e.what() << endl;
}
return 0;
}
|
