kompilator/main.cpp at master · Bartor/kompilator · GitHub

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#include <iostream>
#include <fstream>
#include <chrono>
#include "front/ast/node.h"
#include "middle/abstract_assembler/AbstractAssembler.h"
#include "middle/ast_optimizer/ASTOptimizer.h"
#include "middle/peephole/PeepholeOptimizer.h"

extern DeclarationList *declarations;
extern CommandList *commands;
extern ConstantList *constants;

extern int yyparse();

extern FILE *yyin;

bool warning = false;

int main(int argc, char **argv) {
    std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();

    if (argc < 2) {
        std::cerr << "[i] Usage: compiler <source> [destination] [optimize=(0|1)]" << std::endl;
        return 1;
    }

    FILE *source = fopen(argv[1], "r");
    if (!source) {
        std::cerr << "[e] Can't open " << argv[1] << std::endl;
        return 1;
    }

    bool optimize = true, verbose = false;
    for (int i = 0; i < argc; i++) {
        if (argv[i][0] == '-' && argv[i][1] == 'v') verbose = true;
        if (argv[i][0] == '-' && argv[i][1] == 'o') optimize = false;
    }

    std::cout << "[i] Compiling file " << argv[1] << (optimize ? " with optimization" : " without optimization") << std::endl;

    std::cout << "[i] Parsing... " << std::endl;

    yyin = source;
    yyparse();

    std::cout << "   [i] done" << std::endl;

    if (commands == nullptr) commands = new CommandList();
    if (declarations == nullptr) declarations = new DeclarationList();

    Program *program = new Program(*declarations, *commands, *constants);

    if (verbose) std::cout << "-=- A S T -=-" << std::endl;
    if (verbose) std::cout << program->toString() << std::endl;

    if (optimize) {
        std::cout << "[i] AST Optimization... " << std::endl;
        if (verbose) std::cout << std::endl;
        ASTOptimizer *astOptimizer = new ASTOptimizer(program);
        astOptimizer->optimize(verbose);
        if (verbose) std::cout << std::endl;
        std::cout << "   [i] done" << std::endl;

        if (verbose) std::cout << "-=- OPTIMIZED A S T -=-" << std::endl;
        if (verbose) std::cout << program->toString() << std::endl;
    }

    AbstractAssembler *assembler = new AbstractAssembler(*program);

    std::cout << "[i] Compiling... " << std::endl;
    if (verbose) std::cout << std::endl;

    try {
        InstructionList &assembled = assembler->assemble(verbose);

        std::cout << "   [i] done" << std::endl;

        if (verbose) std::cout << std::endl << "-=- A S M -=-" << std::endl;

        std::ofstream output;
        output.open(argv[2] ? argv[2] : "a.out");

        for (const auto &ins : assembled.getInstructions()) {
            if (!ins->stub) {
                if (verbose) std::cout << std::setbase(10) << ins->getAddress() << ": " << ins->toAssemblyCode(true) << std::endl;
                if (!optimize) output << ins->toAssemblyCode(true) << std::endl;
            }
        }

        if (optimize) {
            std::cout << "[i] ASM Optimization... " << std::endl;
            if (verbose) std::cout << std::endl;
            PeepholeOptimizer *peepholeOptimizer = new PeepholeOptimizer(assembled);

            peepholeOptimizer->optimize(verbose);
            assembled.seal(false);

            if (verbose) std::cout << std::endl;
            std::cout << "   [i] done" << std::endl;

            if (verbose) std::cout << std::endl << "-=- OPTIMIZED A S M -=-" << std::endl;

            for (const auto &ins : assembled.getInstructions()) {
                if (!ins->stub) {
                    if (verbose) std::cout << std::setbase(10) << ins->getAddress() << ": " << ins->toAssemblyCode(true) << std::endl;
                    output << ins->toAssemblyCode(true) << std::endl;
                }
            }
            output.close();
        }

        std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();

        if (warning) {
            std::cout << "[w] Compiled with warnings in " << std::chrono::duration_cast<std::chrono::milliseconds>(end - begin).count() << " ms" << std::endl;

        } else {
            std::cout << "[i] Compiled successfully in " << std::chrono::duration_cast<std::chrono::milliseconds>(end - begin).count() << " ms" << std::endl;
        }

    } catch (std::string errorMessage) {
        std::cout << "   [e] " << errorMessage << std::endl;
        std::cout << "[e] Aborting" << std::endl;
        return 1;
    } catch (char const *errorMessage) {
        std::cout << "   [e] " << errorMessage << std::endl;
        std::cout << "[e] Aborting" << std::endl;
        return 1;
    }

    return 0;
}