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package com.seaofnodes.simple;
import com.seaofnodes.simple.codegen.CodeGen;
import com.seaofnodes.simple.codegen.CodeGen.Phase;
import com.seaofnodes.simple.print.*;
import com.seaofnodes.simple.util.Utils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Collectors;
public class Simple {
public static final String PORTS = "com.seaofnodes.simple.node.cpus";
static final int DUMP_AFTER_PARSE = 1<<Phase.Parse.ordinal();
static final int DUMP_AFTER_ITER = 1<<Phase.Iter.ordinal();
static final int DUMP_AFTER_OPTO = 1<<Phase.Opto.ordinal();
static final int DUMP_AFTER_ITER_POST_OPTO = 1<<Phase.IterPostOpto.ordinal();
static final int DUMP_AFTER_FINALIZE_IR = 1<<Phase.FinalizeIR.ordinal();
static final int DUMP_AFTER_TYPE_CHECK = 1<<Phase.TypeCheck.ordinal();
static final int DUMP_AFTER_LOOP_TREE = 1<<Phase.LoopTree.ordinal();
static final int DUMP_AFTER_SELECT = 1<<Phase.Select.ordinal();
static final int DUMP_AFTER_GCM = 1<<Phase.Schedule.ordinal();
static final int DUMP_AFTER_LOCAL_SCHED = 1<<Phase.LocalSched.ordinal();
static final int DUMP_AFTER_REG_ALLOC = 1<<Phase.RegAlloc.ordinal();
static final int DUMP_AFTER_ENCODE = 1<<Phase.Encoding.ordinal();
static final int DUMP_FINAL = 1<<16;
static final int DUMP_PASS_NAME = 1<<30;
static final int DUMP_AFTER_ALL = ((1<<Phase.values().length)-1) | DUMP_PASS_NAME;
static final int DUMP_DISASSEMBLE = 1<<31;
static void usage() {
System.out.println(
"""
simple [options] <input-file> ...args...
Options:
--dump - dump final intermediate representation
--dump-after-parse - dump intermediate representation after parsing
--dump-after-iter - dump intermediate representation after Iter
--dump-after-opto - dump intermediate representation after Opto
--dump-after-iter-post-opto - dump intermediate representation after IterPostOpto
--dump-after-finalize-ir - dump intermediate representation after FinalizeIR
--dump-after-type-check - dump intermediate representation after type checking
--dump-after-loop-tree - dump intermediate representation after loop-tree construction
--dump-after-select - dump intermediate representation after instruction selection
--dump-after-gcm - dump intermediate representation after GCM
--dump-after-local-sched - dump intermediate representation after local scheduling
--dump-after-reg-alloc - dump intermediate representation after register allocation
--dump-after-encode - dump intermediate representation after encoding
--dump-after-all - dump intermediate representation after all passes
-S - dump generated assembler code
--eval - evaluate the compiled code in emulator
--run - run the compiled code natively; this is the default
--dump-size - print the size of generated code
--dump-time - print compilation and execution times
--cpu <cpu-name> - use specific CPU (x86_64_v2, riscv, arm)
--abi <abi-name> - use speific ABI variant (SystemV)
--target - print native CPU and ABI
--version
--help
"""
);
System.exit(0);
}
static void bad_usage() { bad("Invalid usage (use --help)"); }
static RuntimeException bad(String err) {
System.err.println("ERROR: "+err);
System.exit(1);
return new RuntimeException(err);
}
static void target() {
System.out.print(TestC.CPU_PORT);
System.out.print("-");
System.out.println(TestC.CALL_CONVENTION);
}
static void dump(CodeGen code, int dump, int pass) {
if( (dump & pass)==0 ) return;
if( (dump & DUMP_PASS_NAME)!=0 ) System.err.println("Final:");
System.err.println(code);
}
static void print_compilation_times(CodeGen code) {
long total=0;
for( Phase phase : Phase.values() ) {
long time=code._times[phase.ordinal()];
total+=time;
System.out.printf("%-24s %.3f sec%n",phase+" Time:",time/1e3);
}
System.out.printf("TOTAL COMPILATION TIME: %.3f sec%n",total/1e3);
}
static String getInput() throws IOException {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
return reader.lines().collect(Collectors.joining("\n"));
}
}
public static void main(String[] args) throws Exception {
String input_filename = null;
boolean do_eval = false;
boolean do_run = true;
boolean do_codegen = false;
boolean do_print_size = false;
boolean do_print_time = false;
int dump = 0;
int first_arg = 0;
String src = null;
String cpu = null;
String abi = null;
// Parse command line
int i; for( i = 0; i < args.length; i++ ) {
String arg = args[i];
if( arg.charAt(0) != '-' ) {
input_filename = arg;
break;
}
switch (arg) {
case "-": input_filename=""; break;
case "--dump": dump |= DUMP_FINAL; break;
case "--dump-after-parse": dump |= DUMP_AFTER_PARSE; break;
case "--dump-after-finalize-ir": dump |= DUMP_AFTER_FINALIZE_IR; break;
case "--dump-after-iter-post-opto": dump |= DUMP_AFTER_ITER_POST_OPTO; break;
case "--dump-after-iter": dump |= DUMP_AFTER_ITER; break;
case "--dump-after-opto": dump |= DUMP_AFTER_OPTO; break;
case "--dump-after-type-check": dump |= DUMP_AFTER_TYPE_CHECK; break;
case "--dump-after-loop-tree": dump |= DUMP_AFTER_LOOP_TREE; break;
case "--dump-after-select": dump |= DUMP_AFTER_SELECT; break;
case "--dump-after-gcm": dump |= DUMP_AFTER_GCM; break;
case "--dump-after-local-sched": dump |= DUMP_AFTER_LOCAL_SCHED; break;
case "--dump-after-reg-alloc": dump |= DUMP_AFTER_REG_ALLOC; break;
case "--dump-after-encode": dump |= DUMP_AFTER_ENCODE; break;
case "--dump-after-all": dump |= DUMP_AFTER_ALL; break;
case "-S": dump |= DUMP_DISASSEMBLE; break;
case "--eval": do_eval = true ; do_run = false; break;
case "--run": do_run = true ; break;
case "--norun": do_run = false; break;
case "--dump-size": do_print_size = true; break;
case "--dump-time": do_print_time = true; break;
case "--cpu": if (cpu != null || i + 1 >= args.length || args[i + 1].charAt(0) == '-') bad_usage();
cpu = args[++i];
break;
case "--abi": if (abi != null || i + 1 >= args.length || args[i + 1].charAt(0) == '-') bad_usage();
abi = args[++i];
break;
case "--target": target(); break;
case "--version": throw Utils.TODO();
case "--help": usage();
default: bad_usage();
}
}
if (input_filename == null) throw bad("no input file' (use --help)");
if( !input_filename.isEmpty() && !input_filename.endsWith(".smp") )
throw bad("File extension must be .smp");
String base = input_filename.substring(0,input_filename.length()-4);
if (do_run || (dump & DUMP_DISASSEMBLE) != 0 || do_print_size) {
if (cpu == null) cpu = TestC.CPU_PORT;
if (abi == null) abi = TestC.CALL_CONVENTION;
do_codegen = true;
}
// Read input file
try {
src = input_filename.isEmpty() ? getInput() : Files.readString(Path.of(input_filename));
} catch( IOException e ) { throw bad("Cannot read input file: "+input_filename); }
// Compilation pipeline
CodeGen code = new CodeGen(src);
code.driver(do_codegen ? Phase.Encoding : Phase.LocalSched,
do_codegen ? cpu : null, abi, dump);
if( do_codegen ) code.exportELF(base+".o");
dump(code, dump, DUMP_FINAL);
if (do_codegen && (dump & DUMP_DISASSEMBLE) != 0) {
System.out.println(code.asm());
}
if (do_print_size) {
System.out.printf( "Code Size: %d%n", code._encoding._bits.size());
}
if (do_print_time) {
print_compilation_times(code);
}
if (do_eval) {
// TODO: Support for evaluation of functions with different argument numbers and types
long t = System.currentTimeMillis();
long arg = (i+1 < args.length) ? Integer.parseInt(args[i+1]) : 0;
System.out.println(Eval2.eval(code, arg, 100000));
if (do_print_time) {
System.out.printf( "EXECUTION TIME: %.3f sec%n",
(System.currentTimeMillis() - t) / 1e3);
}
}
if (do_run) {
if ( !TestC.CPU_PORT.equals( cpu ) || !TestC.CALL_CONVENTION.equals( abi ) )
throw bad("cannot run code on not native target");
String exe = TestC.OS.startsWith("Windows") ? base+".exe" : base;
String result = TestC.gcc(base+".o", null, null, true, exe);
System.out.print(result);
}
}
}
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