66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
#include "elna/cli/cl.hpp"
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#include "elna/backend/target.hpp"
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#include "elna/source/semantic.hpp"
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#include <cstddef>
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#include <fstream>
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#include <sstream>
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#include <iostream>
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namespace elna::cli
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{
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char *readSource(const char *source)
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{
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const std::size_t bufferSize = 255;
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std::ifstream input_stream{ source };
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std::stringstream buffer;
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buffer << input_stream.rdbuf();
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input_stream.close();
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std::string contents = buffer.str();
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char *result = reinterpret_cast<char *>(malloc(contents.size() + 1));
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std::copy(std::cbegin(contents), std::cend(contents), result);
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result[contents.size()] = '\0';
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return result;
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}
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int compile(const std::filesystem::path& in_file, const std::filesystem::path& out_file)
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{
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auto sourceText = readSource(in_file.c_str());
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if (sourceText == nullptr)
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{
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return 3;
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}
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size_t tokensCount{ 0 };
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auto lex_result = source::lex(sourceText);
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free(sourceText);
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if (lex_result.has_errors())
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{
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for (const auto& compile_error : lex_result.errors())
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{
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std::cerr << compile_error->line() << ':' << compile_error->column()
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<< ": " << compile_error->what() << std::endl;
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}
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return 1;
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}
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source::parser parser{ std::move(lex_result.success()) };
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auto ast = parser.parse();
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if (ast == nullptr)
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{
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for (const auto& compile_error : parser.errors())
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{
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std::cerr << compile_error->line() << ':' << compile_error->column()
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<< ": " << compile_error->what() << std::endl;
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}
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return 2;
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}
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auto global_scope = std::make_shared<source::symbol_table>();
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source::name_analysis_visitor(global_scope).visit(ast.get());
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source::type_analysis_visitor().visit(ast.get());
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source::allocator_visitor(global_scope).visit(ast.get());
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riscv::riscv32_elf(ast.get(), global_scope, out_file);
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return 0;
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}
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}
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