Add reading and writing compiled binary
This commit is contained in:
parent
70211cecc1
commit
7c5bacbf66
3
.gitignore
vendored
3
.gitignore
vendored
@ -1,5 +1,6 @@
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/target
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/target
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*.log
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*.reidc
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#Added by cargo
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#Added by cargo
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#
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#
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@ -1 +1,2 @@
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let gotus = 3;
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let gotus = "Hello, world!";
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print(gotus);
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20
src/args.rs
20
src/args.rs
@ -5,8 +5,10 @@ use argh::FromArgs;
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#[derive(FromArgs, PartialEq, Debug)]
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#[derive(FromArgs, PartialEq, Debug)]
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#[argh(description = "reid compiler and Virtual Machine")]
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#[argh(description = "reid compiler and Virtual Machine")]
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pub struct MainOpt {
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pub struct MainOpt {
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#[argh(positional, description = "run compiled .reidc from <path>")]
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pub run_path: Option<PathBuf>,
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#[argh(subcommand)]
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#[argh(subcommand)]
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pub subcommand: Subcommand,
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pub subcommand: Option<Subcommand>,
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}
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}
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#[derive(FromArgs, PartialEq, Debug)]
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#[derive(FromArgs, PartialEq, Debug)]
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@ -14,7 +16,6 @@ pub struct MainOpt {
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pub enum Subcommand {
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pub enum Subcommand {
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Compile(Compile),
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Compile(Compile),
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Run(Run),
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Run(Run),
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CompileAndRun(CompileAndRun),
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}
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}
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#[derive(FromArgs, PartialEq, Debug)]
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#[derive(FromArgs, PartialEq, Debug)]
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@ -27,27 +28,16 @@ pub struct Compile {
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#[argh(positional, description = "source .reid path")]
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#[argh(positional, description = "source .reid path")]
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pub source: String,
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pub source: String,
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#[argh(positional, description = "output .reidc path")]
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#[argh(positional, description = "output .reidc path")]
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pub output: String,
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pub output: Option<String>,
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}
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}
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#[derive(FromArgs, PartialEq, Debug)]
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#[derive(FromArgs, PartialEq, Debug)]
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#[argh(
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#[argh(
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subcommand,
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subcommand,
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name = "run",
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name = "run",
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description = "run compiled .reidc from <path>"
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)]
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pub struct Run {
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#[argh(positional, description = "otus 2")]
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pub path: String,
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}
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#[derive(FromArgs, PartialEq, Debug)]
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#[argh(
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subcommand,
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name = "c_run",
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description = "compile and run given .reid file"
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description = "compile and run given .reid file"
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)]
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)]
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pub struct CompileAndRun {
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pub struct Run {
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#[argh(positional, description = "source .reid path")]
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#[argh(positional, description = "source .reid path")]
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pub source: PathBuf,
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pub source: PathBuf,
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}
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}
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@ -7,9 +7,9 @@ use super::parser::{Expression, LiteralPattern, ParsedReid, Pattern, Position, S
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use super::vm::{FunctionSignature, VariableType};
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use super::vm::{FunctionSignature, VariableType};
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type Variable = (HeapID, VariableType);
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type Variable = (HeapID, VariableType);
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pub type FuncID = usize;
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pub type FuncID = u16;
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pub type HeapID = usize;
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pub type HeapID = u16;
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pub type RegID = usize;
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pub type RegID = u8;
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#[derive(Debug, Clone)]
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#[derive(Debug, Clone)]
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pub enum Command {
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pub enum Command {
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@ -192,11 +192,11 @@ impl Scope {
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}
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}
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}
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}
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fn find_function(&self, signature: &FunctionSignature) -> Option<(usize, &FunctionSignature)> {
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fn find_function(&self, signature: &FunctionSignature) -> Option<(FuncID, &FunctionSignature)> {
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let mut found = None;
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let mut found = None;
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for (idx, func) in self.functions.iter().enumerate() {
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for (idx, func) in self.functions.iter().enumerate() {
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if func == signature {
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if func == signature {
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found = Some((idx, func));
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found = Some((idx as u16, func));
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}
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}
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}
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}
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found
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found
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@ -9,6 +9,9 @@ use super::vm::VariableType;
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#[derive(Debug)]
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#[derive(Debug)]
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pub enum GenericError {
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pub enum GenericError {
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StdIOError(io::Error),
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StdIOError(io::Error),
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CorruptedBytecode,
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SyntaxError(SyntaxError),
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CompilerError(CompilerError),
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}
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}
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impl From<io::Error> for GenericError {
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impl From<io::Error> for GenericError {
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@ -17,6 +20,32 @@ impl From<io::Error> for GenericError {
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}
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}
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}
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}
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impl From<SyntaxError> for GenericError {
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fn from(error: SyntaxError) -> Self {
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Self::SyntaxError(error)
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}
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}
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impl From<CompilerError> for GenericError {
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fn from(error: CompilerError) -> Self {
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Self::CompilerError(error)
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}
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}
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impl Display for GenericError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let text = match self {
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GenericError::StdIOError(err) => format!("IO Error: {}", err),
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GenericError::CorruptedBytecode => {
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"Failed to read bytecode. Bytecode might be corrupted.".to_string()
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}
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GenericError::SyntaxError(err) => format!("Syntax Error: {}", err),
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GenericError::CompilerError(err) => format!("Compiler Error: {}", err),
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};
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write!(f, "{}", text)
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}
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}
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#[derive(Debug)]
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#[derive(Debug)]
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pub enum SyntaxError {
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pub enum SyntaxError {
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#[allow(dead_code)]
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#[allow(dead_code)]
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155
src/file_io.rs
155
src/file_io.rs
@ -3,12 +3,165 @@ use std::io::prelude::*;
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use std::io::BufReader;
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use std::io::BufReader;
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use std::path::Path;
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use std::path::Path;
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use super::compiler::{Command, CompiledReid};
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use super::errors::GenericError;
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use super::errors::GenericError;
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use super::vm::VariableType;
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pub fn open_file(path: &Path) -> Result<String, GenericError> {
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pub fn open_source(path: &Path) -> Result<String, GenericError> {
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let file = File::open(path)?;
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let file = File::open(path)?;
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let mut reader = BufReader::new(file);
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let mut reader = BufReader::new(file);
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let mut text = String::new();
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let mut text = String::new();
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reader.read_to_string(&mut text)?;
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reader.read_to_string(&mut text)?;
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Ok(text)
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Ok(text)
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}
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}
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pub fn into_bytecode(compiled: &CompiledReid) -> Vec<u8> {
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let mut list = Vec::new();
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let iter = compiled.list.iter();
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for item in iter {
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list.append(&mut item.into_u8());
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}
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list
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}
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pub fn write_bytecode(bytecode: Vec<u8>, path: &Path) -> Result<(), GenericError> {
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let mut file = File::create(path)?;
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file.write_all(&bytecode)?;
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Ok(())
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}
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pub fn open_bytecode(path: &Path) -> Result<CompiledReid, GenericError> {
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let file = File::open(path)?;
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let mut reader = BufReader::new(file);
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let mut commands = Vec::new();
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let mut iter = reader.fill_buf()?.iter().peekable();
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while iter.peek().is_some() {
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if let Some(command) = Command::from_u8(&mut iter) {
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commands.push(command);
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} else {
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return Err(GenericError::CorruptedBytecode);
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}
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}
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Ok(CompiledReid { list: commands })
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}
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impl VariableType {
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fn into_u8(&self) -> u8 {
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match self {
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VariableType::TypeString => 0,
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VariableType::TypeI32 => 1,
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}
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}
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fn from_u8(num: u8) -> Option<VariableType> {
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match num {
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0 => Some(VariableType::TypeString),
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1 => Some(VariableType::TypeI32),
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_ => None,
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}
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}
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}
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impl Command {
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fn id(&self) -> u8 {
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match *self {
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Command::InitializeVariable(..) => 0,
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Command::BeginScope => 1,
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Command::EndScope => 2,
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Command::Pop(..) => 3,
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Command::Push(..) => 4,
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Command::AssignVariable(..) => 5,
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Command::VarToReg(..) => 6,
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Command::StringLit(..) => 7,
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Command::I32Lit(..) => 8,
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Command::FunctionCall(..) => 9,
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}
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}
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fn from_u8<'a, T: Iterator<Item = &'a u8>>(iter: &mut T) -> Option<Command> {
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let id = iter.next()?;
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match id {
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0 => {
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let heapid = u16::from_be_bytes([*iter.next()?, *iter.next()?]);
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Some(Command::InitializeVariable(
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heapid,
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VariableType::from_u8(*iter.next()?)?,
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))
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}
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1 => Some(Command::BeginScope),
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2 => Some(Command::EndScope),
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3 => Some(Command::Pop(*iter.next()?)),
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4 => Some(Command::Push(*iter.next()?)),
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5 => {
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let heapid = u16::from_be_bytes([*iter.next()?, *iter.next()?]);
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Some(Command::AssignVariable(heapid, *iter.next()?))
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}
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6 => {
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let heapid = u16::from_be_bytes([*iter.next()?, *iter.next()?]);
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Some(Command::VarToReg(heapid, *iter.next()?))
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}
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7 => {
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let len = u32::from_be_bytes([
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*iter.next()?,
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*iter.next()?,
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*iter.next()?,
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*iter.next()?,
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]);
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let string = String::from_utf8(iter.take(len as usize).cloned().collect()).ok()?;
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Some(Command::StringLit(string))
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}
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8 => {
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let num = i32::from_be_bytes([
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*iter.next()?,
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*iter.next()?,
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*iter.next()?,
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*iter.next()?,
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]);
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Some(Command::I32Lit(num))
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}
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9 => {
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let funcid = u16::from_be_bytes([*iter.next()?, *iter.next()?]);
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Some(Command::FunctionCall(funcid))
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}
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_ => None,
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}
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}
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fn into_u8(&self) -> Vec<u8> {
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let mut list = Vec::new();
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list.push(self.id());
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match &self {
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Command::InitializeVariable(heapid, variabletype) => {
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let heapid = heapid.to_be_bytes();
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list.append(&mut vec![heapid[0], heapid[1], variabletype.into_u8()])
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}
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Command::BeginScope => (),
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Command::EndScope => (),
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Command::Pop(regid) => list.push(*regid),
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Command::Push(regid) => list.push(*regid),
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Command::AssignVariable(heapid, regid) => {
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let heapid = heapid.to_be_bytes();
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list.append(&mut vec![heapid[0], heapid[1], *regid]);
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}
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Command::VarToReg(heapid, regid) => {
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let heapid = heapid.to_be_bytes();
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list.append(&mut vec![heapid[0], heapid[1], *regid]);
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}
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Command::StringLit(string) => {
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let string = string.as_bytes();
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let len = (string.len() as u32).to_be_bytes();
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list.append(&mut vec![len[0], len[1], len[2], len[3]]);
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list.append(&mut string.to_vec());
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}
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Command::I32Lit(num) => {
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let num = num.to_be_bytes();
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list.append(&mut vec![num[0], num[1], num[2], num[3]]);
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}
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Command::FunctionCall(funcid) => {
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let funcid = funcid.to_be_bytes();
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list.append(&mut vec![funcid[0], funcid[1]]);
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}
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}
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list
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}
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}
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86
src/main.rs
86
src/main.rs
@ -8,11 +8,13 @@ mod file_io;
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mod parser;
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mod parser;
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mod vm;
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mod vm;
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use file_io::open_file;
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use file_io::{into_bytecode, open_bytecode, open_source, write_bytecode};
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use std::path::Path;
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use std::env;
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use std::path::{Path, PathBuf};
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use args::*;
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use args::*;
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use compiler::{CompiledReid, Compiler};
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use compiler::{CompiledReid, Compiler};
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use errors::GenericError;
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use parser::Parser;
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use parser::Parser;
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use vm::{
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use vm::{
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BuiltinFunctionDef, BuiltinFunctions, FunctionSignature, Value, VariableType, VirtualMachine,
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BuiltinFunctionDef, BuiltinFunctions, FunctionSignature, Value, VariableType, VirtualMachine,
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@ -33,35 +35,69 @@ fn main() {
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|
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let opt: MainOpt = argh::from_env();
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let opt: MainOpt = argh::from_env();
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|
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match opt.subcommand {
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if let Some(run_path) = opt.run_path {
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Subcommand::Compile(_) => {}
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let compiled = open_bytecode(&run_path);
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Subcommand::Run(_) => {}
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match compiled {
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Subcommand::CompileAndRun(c_run) => {
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Ok(compiled) => run(compiled, builtin_functions),
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let path = Path::new(&c_run.source);
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Err(error) => {
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eprintln!("{}", error);
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std::process::exit(1);
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}
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}
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} else if let Some(subcommand) = opt.subcommand {
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match subcommand {
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Subcommand::Compile(opt) => {
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let source = Path::new(&opt.source);
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let output = if let Some(output) = opt.output {
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PathBuf::from(output)
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|
} else {
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source.with_extension("reidc")
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|
};
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let compiled = compile(source, builtin_functions.signatures());
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match compiled {
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Ok(compiled) => {
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let bytecode = into_bytecode(&compiled);
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|
if let Err(err) = write_bytecode(bytecode, &output) {
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|
eprintln!("{}", err);
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std::process::exit(1);
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|
}
|
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|
}
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|
Err(error) => {
|
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|
eprintln!("{}", error);
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|
std::process::exit(1);
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|
}
|
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|
}
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|
}
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|
Subcommand::Run(opt) => {
|
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|
let path = Path::new(&opt.source);
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let compiled = compile(path, builtin_functions.signatures());
|
let compiled = compile(path, builtin_functions.signatures());
|
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run(compiled, builtin_functions);
|
match compiled {
|
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}
|
Ok(compiled) => run(compiled, builtin_functions),
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}
|
Err(error) => {
|
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}
|
eprintln!("{}", error);
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|
|
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fn compile(path: &Path, builtin: Vec<FunctionSignature>) -> CompiledReid {
|
|
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let parsed = Parser::from(open_file(&path).ok().unwrap()).parse();
|
|
||||||
if let Err(error) = parsed {
|
|
||||||
eprintln!("Syntax error: {}", error);
|
|
||||||
std::process::exit(1);
|
std::process::exit(1);
|
||||||
}
|
}
|
||||||
dbg!(&parsed);
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
let command = env::args().collect::<Vec<String>>().join(" ");
|
||||||
|
eprintln!("Please try running instead:");
|
||||||
|
eprintln!(" {} <path>", command);
|
||||||
|
eprintln!(" {} help", command);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
let compiled = Compiler::from(parsed.unwrap())
|
fn compile(path: &Path, builtin: Vec<FunctionSignature>) -> Result<CompiledReid, GenericError> {
|
||||||
|
let parsed = Parser::from(open_source(&path)?).parse()?;
|
||||||
|
//dbg!(&parsed);
|
||||||
|
|
||||||
|
let compiled = Compiler::from(parsed)
|
||||||
.with_builtin_functions(builtin)
|
.with_builtin_functions(builtin)
|
||||||
.compile();
|
.compile()?;
|
||||||
if let Err(error) = compiled {
|
//dbg!(&compiled);
|
||||||
eprintln!("Compilation error: {}", error);
|
|
||||||
std::process::exit(1);
|
|
||||||
}
|
|
||||||
dbg!(&compiled);
|
|
||||||
|
|
||||||
compiled.unwrap()
|
Ok(compiled)
|
||||||
}
|
}
|
||||||
|
|
||||||
fn run(reid: CompiledReid, builtin: BuiltinFunctions) {
|
fn run(reid: CompiledReid, builtin: BuiltinFunctions) {
|
||||||
|
@ -92,7 +92,7 @@ impl VirtualMachine {
|
|||||||
}
|
}
|
||||||
Command::Pop(regid) => {
|
Command::Pop(regid) => {
|
||||||
if let Some(val) = self.stack.pop() {
|
if let Some(val) = self.stack.pop() {
|
||||||
self.registry[regid] = Some(val);
|
self.registry[regid as usize] = Some(val);
|
||||||
//dbg!("Registry popped", regid, &self.stack, &self.registry);
|
//dbg!("Registry popped", regid, &self.stack, &self.registry);
|
||||||
Ok(())
|
Ok(())
|
||||||
} else {
|
} else {
|
||||||
@ -100,7 +100,7 @@ impl VirtualMachine {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
Command::Push(regid) => {
|
Command::Push(regid) => {
|
||||||
if let Some(reg) = &self.registry[regid] {
|
if let Some(reg) = &self.registry[regid as usize] {
|
||||||
if self.stack.len() < usize::MAX {
|
if self.stack.len() < usize::MAX {
|
||||||
self.stack.push(reg.clone());
|
self.stack.push(reg.clone());
|
||||||
//dbg!("Registry pushed", regid, &self.stack);
|
//dbg!("Registry pushed", regid, &self.stack);
|
||||||
@ -113,7 +113,7 @@ impl VirtualMachine {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
Command::AssignVariable(heapid, regid) => {
|
Command::AssignVariable(heapid, regid) => {
|
||||||
if let Some(reg) = &self.registry[regid] {
|
if let Some(reg) = &self.registry[regid as usize] {
|
||||||
if let Some(var) = self.heap.get_mut(&heapid) {
|
if let Some(var) = self.heap.get_mut(&heapid) {
|
||||||
var.try_set(Some(reg.clone()))?;
|
var.try_set(Some(reg.clone()))?;
|
||||||
//dbg!("Variable assigned", heapid, regid, &self.heap);
|
//dbg!("Variable assigned", heapid, regid, &self.heap);
|
||||||
@ -128,7 +128,7 @@ impl VirtualMachine {
|
|||||||
Command::VarToReg(heapid, regid) => {
|
Command::VarToReg(heapid, regid) => {
|
||||||
if let Some(var) = self.heap.get(&heapid) {
|
if let Some(var) = self.heap.get(&heapid) {
|
||||||
if let Some(val) = &var.1 {
|
if let Some(val) = &var.1 {
|
||||||
self.registry[regid] = Some(val.clone());
|
self.registry[regid as usize] = Some(val.clone());
|
||||||
//dbg!("Variable pushed to registry", heapid, regid, &self.registry);
|
//dbg!("Variable pushed to registry", heapid, regid, &self.registry);
|
||||||
Ok(())
|
Ok(())
|
||||||
} else {
|
} else {
|
||||||
@ -156,10 +156,10 @@ impl VirtualMachine {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
Command::FunctionCall(funcid) => {
|
Command::FunctionCall(funcid) => {
|
||||||
if self.functions.len() <= funcid {
|
if self.functions.len() <= funcid as usize {
|
||||||
Err(RuntimePanic::InvalidFuncAddress)
|
Err(RuntimePanic::InvalidFuncAddress)
|
||||||
} else {
|
} else {
|
||||||
match &self.functions[funcid] {
|
match &self.functions[funcid as usize] {
|
||||||
FunctionDef::Builtin(f) => {
|
FunctionDef::Builtin(f) => {
|
||||||
let mut params = Vec::new();
|
let mut params = Vec::new();
|
||||||
for _ in 0..f.signature.parameters.len() {
|
for _ in 0..f.signature.parameters.len() {
|
||||||
|
Loading…
Reference in New Issue
Block a user