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60 lines
1.5 KiB
60 lines
1.5 KiB
#include <exception>
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#include <iostream>
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#include <stdexcept>
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#include "frontend/AntlrDriver.h"
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#include "frontend/SyntaxTreePrinter.h"
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#include "ir/IR.h"
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#include "irgen/IRGen.h"
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#include "mir/MIR.h"
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#include "sem/Sema.h"
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#include "utils/CLI.h"
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#include "utils/Log.h"
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int main(int argc, char** argv) {
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try {
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auto opts = ParseCLI(argc, argv);
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if (opts.show_help) {
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PrintHelp(std::cout);
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return 0;
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}
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auto antlr = ParseFileWithAntlr(opts.input);
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bool need_blank_line = false;
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if (opts.emit_parse_tree) {
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PrintSyntaxTree(antlr.tree, antlr.parser.get(), std::cout);
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need_blank_line = true;
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}
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auto* comp_unit = dynamic_cast<SysYParser::CompUnitContext*>(antlr.tree);
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if (!comp_unit) {
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throw std::runtime_error("[main] 语法树根节点不是 compUnit");
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}
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auto sema = RunSema(*comp_unit);
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auto module = GenerateIR(*comp_unit, sema);
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if (opts.emit_ir) {
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ir::IRPrinter printer;
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if (need_blank_line) {
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std::cout << "\n";
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}
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printer.Print(*module);
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need_blank_line = true;
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}
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if (opts.emit_asm) {
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auto machine_func = mir::LowerToMIR(*module);
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mir::RunRegAlloc(*machine_func);
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mir::RunFrameLowering(*machine_func);
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if (need_blank_line) {
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std::cout << "\n";
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}
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mir::PrintAsm(*machine_func, std::cout);
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}
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} catch (const std::exception& ex) {
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std::cerr << "error: " << ex.what() << "\n";
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return 1;
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}
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return 0;
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}
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