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Include the filename in the error messages

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This commit is contained in:
Eugen Wissner
2024-03-30 00:21:58 +01:00
parent e04a816024
commit 3c19bf1504
8 changed files with 137 additions and 51 deletions
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67
cli/cl.cpp
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@ -3,55 +3,70 @@
#include "elna/source/semantic.hpp"
#include <cstddef>
#include <fstream>
#include <sstream>
#include <iostream>
namespace elna::cli
{
char *readSource(const char *source)
std::string read_source(const char *source)
{
const std::size_t bufferSize = 255;
constexpr std::size_t buffer_size = 4096;
std::ifstream input_stream{ source };
std::stringstream buffer;
buffer << input_stream.rdbuf();
input_stream.close();
std::string contents = buffer.str();
char *result = reinterpret_cast<char *>(malloc(contents.size() + 1));
std::copy(std::cbegin(contents), std::cend(contents), result);
result[contents.size()] = '\0';
std::ifstream input_stream{ source, std::ios::binary | std::ios::in };
std::string output;
if (input_stream.fail())
{
throw std::ios_base::failure("File does not exist");
}
while (true)
{
const std::size_t old_size = output.size();
output.resize(old_size + buffer_size);
input_stream.read(&output[old_size], buffer_size);
return result;
if (input_stream.eof())
{
output.resize(old_size + input_stream.gcount());
break;
}
else if (input_stream.fail())
{
throw std::ios_base::failure("Unable to complete reading the source file");
}
}
return output;
}
void print_error(const std::unique_ptr<source::error>& compile_error)
{
std::cerr << compile_error->path().string() << ":"
<< compile_error->line() << ':' << compile_error->column()
<< ": " << compile_error->what() << std::endl;
}
int compile(const std::filesystem::path& in_file, const std::filesystem::path& out_file)
{
auto sourceText = readSource(in_file.c_str());
if (sourceText == nullptr)
std::string source_text;
try
{
source_text = read_source(in_file.c_str());
}
catch (std::ios_base::failure&)
{
return 3;
}
size_t tokensCount{ 0 };
auto lex_result = source::lex(sourceText);
free(sourceText);
auto lex_result = source::lex(source_text, in_file);
if (lex_result.has_errors())
{
for (const auto& compile_error : lex_result.errors())
{
std::cerr << compile_error->line() << ':' << compile_error->column()
<< ": " << compile_error->what() << std::endl;
}
print_errors(lex_result.errors().cbegin(), lex_result.errors().cend());
return 1;
}
source::parser parser{ std::move(lex_result.success()) };
auto ast = parser.parse();
if (ast == nullptr)
{
for (const auto& compile_error : parser.errors())
{
std::cerr << compile_error->line() << ':' << compile_error->column()
<< ": " << compile_error->what() << std::endl;
}
print_errors(parser.errors().cbegin(), parser.errors().cend());
return 2;
}
auto global_scope = std::make_shared<source::symbol_table>();