diag & logging
This commit is contained in:
parent
d71bc58420
commit
adba163511
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@ -2,26 +2,118 @@
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# It is not intended for manual editing.
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"winapi",
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@ -46,6 +138,34 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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"bitflags",
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"errno",
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"libc",
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"windows-sys 0.52.0",
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@ -57,6 +177,16 @@ dependencies = [
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"unicode-ident",
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]
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"once_cell",
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name = "tracing"
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@ -86,6 +216,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"once_cell",
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"tracing-core",
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"nu-ansi-term",
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"sharded-slab",
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"smallvec",
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"thread_local",
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"tracing-core",
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"tracing-log",
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]
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[[package]]
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@ -93,3 +249,163 @@ name = "unicode-ident"
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"windows_x86_64_gnullvm 0.48.5",
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"windows_x86_64_msvc 0.48.5",
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[[package]]
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name = "windows-targets"
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"windows_aarch64_msvc 0.52.0",
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"windows_i686_gnu 0.52.0",
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"windows_i686_msvc 0.52.0",
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"windows_x86_64_gnu 0.52.0",
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"windows_x86_64_gnullvm 0.52.0",
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"windows_x86_64_msvc 0.52.0",
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[[package]]
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name = "windows_aarch64_gnullvm"
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name = "windows_aarch64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows_aarch64_msvc"
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name = "windows_aarch64_msvc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "windows_i686_gnu"
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version = "0.48.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
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[[package]]
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name = "windows_i686_gnu"
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version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
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||||
[[package]]
|
||||
name = "windows_i686_msvc"
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version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
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version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
|
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|
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[[package]]
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name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
|
||||
|
||||
[[package]]
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||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
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[[package]]
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||||
name = "windows_x86_64_msvc"
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||||
version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
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@ -8,4 +8,6 @@ description = "A dead-simple scripting language for use in games"
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|||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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|
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[dependencies]
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||||
libkabel = { version = "0.1", path = "../libkabel" }
|
||||
libkabel = { version = "0.1", path = "../libkabel", features = ["pretty-emitter"] }
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is-terminal = "0.4"
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tracing-subscriber = "0.3"
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@ -2,7 +2,9 @@ use std::env;
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use std::error::Error;
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use std::fs::File;
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use std::io::{self, Read};
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use libkabel::lexutil::Token;
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||||
use libkabel::diagnostics::emitters::Emitter;
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use libkabel::error::KError;
|
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use libkabel::lexer::token::Token;
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|
||||
fn main() -> Result<(), Box<dyn Error>> {
|
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let argv: Vec<String> = env::args().collect();
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@ -26,17 +28,28 @@ fn main() -> Result<(), Box<dyn Error>> {
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Ok(fd) => fd,
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};
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tracing_subscriber::fmt::init();
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let mut text_source = String::new();
|
||||
source_fd.read_to_string(&mut text_source)?;
|
||||
|
||||
// Lex!
|
||||
let lexed: Vec<Token> = match libkabel::lexer::lexer(&text_source) {
|
||||
Err(e) => {
|
||||
eprintln!("Lexer fail with {}", e);
|
||||
match e {
|
||||
KError::InternalError(e) => {
|
||||
eprintln!("ICE! Please report this to the kabel developers, along with what you were doing: {:?}", e);
|
||||
}
|
||||
KError::UserError(diags) => {
|
||||
eprintln!("{}", libkabel::diagnostics::emitters::basic::BasicEmitter::emit(diags, text_source));
|
||||
}
|
||||
}
|
||||
std::process::exit(1);
|
||||
}
|
||||
Ok(lexed) => lexed,
|
||||
};
|
||||
|
||||
println!("{:#?}", lexed);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
@ -6,4 +6,9 @@ edition = "2021"
|
|||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
tracing = "0.1"
|
||||
tracing = "0.1"
|
||||
colored = { version = "2", optional = true }
|
||||
|
||||
[features]
|
||||
default = []
|
||||
pretty-emitter = ["colored"]
|
|
@ -0,0 +1,19 @@
|
|||
use crate::diagnostics::Diagnostic;
|
||||
use crate::diagnostics::emitters::Emitter;
|
||||
use std::fmt::Write;
|
||||
|
||||
pub struct BasicEmitter;
|
||||
|
||||
impl Emitter for BasicEmitter {
|
||||
type Output = String;
|
||||
|
||||
fn emit(diag: Vec<Diagnostic>, _source: String) -> Self::Output {
|
||||
let mut output = String::new();
|
||||
|
||||
for msg in diag {
|
||||
writeln!(output, "{:?}", msg).unwrap();
|
||||
}
|
||||
|
||||
output
|
||||
}
|
||||
}
|
|
@ -0,0 +1,10 @@
|
|||
use crate::diagnostics::Diagnostic;
|
||||
|
||||
pub mod basic;
|
||||
#[cfg(feature = "pretty-emitter")]
|
||||
pub mod pretty;
|
||||
|
||||
pub trait Emitter {
|
||||
type Output;
|
||||
fn emit(diag: Vec<Diagnostic>, source: String) -> Self::Output;
|
||||
}
|
|
@ -0,0 +1,24 @@
|
|||
use crate::diagnostics::span::Span;
|
||||
|
||||
pub mod span;
|
||||
pub mod emitters;
|
||||
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Diagnostic {
|
||||
pub diag_type: DiagnosticType,
|
||||
pub spans: Vec<SpanWithLabel>
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum DiagnosticType {
|
||||
Error,
|
||||
Warning,
|
||||
Help
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct SpanWithLabel {
|
||||
pub span: Span,
|
||||
pub span_type: DiagnosticType,
|
||||
pub label: Option<String>,
|
||||
}
|
|
@ -0,0 +1,11 @@
|
|||
#[derive(Debug, Clone, PartialEq, Eq, Copy)]
|
||||
pub struct Span {
|
||||
pub start: u64,
|
||||
pub end: u64
|
||||
}
|
||||
|
||||
impl Span {
|
||||
pub fn new(start: u64, end: u64) -> Self {
|
||||
Self { start, end }
|
||||
}
|
||||
}
|
|
@ -0,0 +1,10 @@
|
|||
use crate::diagnostics::Diagnostic;
|
||||
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub enum KError {
|
||||
InternalError(InternalError),
|
||||
UserError(Vec<Diagnostic>)
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub enum InternalError {}
|
|
@ -1,3 +0,0 @@
|
|||
pub enum Error {
|
||||
|
||||
}
|
|
@ -1,7 +1,10 @@
|
|||
use crate::lexutil;
|
||||
use lexutil::{ArithOperator, Bracket, Literal, Statement, Token};
|
||||
use std::error::Error;
|
||||
use token::{ArithOperator, Bracket, Literal, Statement, Token};
|
||||
use tracing::debug;
|
||||
use crate::diagnostics::{Diagnostic, DiagnosticType, SpanWithLabel};
|
||||
use crate::diagnostics::span::Span;
|
||||
use crate::error::KError;
|
||||
|
||||
pub mod token;
|
||||
|
||||
#[derive(Debug)]
|
||||
enum State {
|
||||
|
@ -11,7 +14,7 @@ enum State {
|
|||
BuildingToken,
|
||||
}
|
||||
|
||||
pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
||||
pub fn lexer(text_source: &str) -> Result<Vec<Token>, KError> {
|
||||
debug!("lexing!");
|
||||
|
||||
let mut current_token = String::new();
|
||||
|
@ -20,7 +23,12 @@ pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
|||
|
||||
let mut chars = text_source.chars().peekable();
|
||||
|
||||
let mut pos: u64 = 0;
|
||||
let mut span_start: u64 = 0;
|
||||
|
||||
while let Some(c) = chars.next() {
|
||||
pos += 1;
|
||||
|
||||
match state {
|
||||
State::Commenting => {
|
||||
// Stop commenting at end of line
|
||||
|
@ -33,9 +41,12 @@ pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
|||
if let Some(c_peek) = chars.peek() {
|
||||
if c != '\\' && *c_peek == '\"' {
|
||||
chars.next();
|
||||
pos += 1;
|
||||
|
||||
current_token.push(c);
|
||||
let tok_cpy = current_token.clone();
|
||||
lexed.push(Token::Literal(Literal::Str(tok_cpy)));
|
||||
lexed.push(Token::Literal(Span::new(span_start, pos), Literal::Str(tok_cpy)));
|
||||
|
||||
state = State::BuildingToken;
|
||||
current_token = String::new();
|
||||
} else {
|
||||
|
@ -43,25 +54,41 @@ pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
|||
}
|
||||
} else {
|
||||
continue; // we're at the end. we should bring a user error
|
||||
// because this string was not properly delimited
|
||||
// because this string was not properly delimited
|
||||
}
|
||||
}
|
||||
State::Numbering => {
|
||||
// If next char isn't numeric, is at end of this number literal
|
||||
if let Some(c_peek) = chars.peek() {
|
||||
current_token.push(c);
|
||||
current_token.push(c);
|
||||
if !c_peek.is_ascii_digit() {
|
||||
lexed.push(Token::Literal(Literal::Num(
|
||||
// if this unwrap fails, we've failed
|
||||
// to confirm that this is a number literal
|
||||
current_token.parse::<f64>().unwrap(),
|
||||
)));
|
||||
|
||||
let num = match current_token.parse::<f64>() {
|
||||
Ok(n) => n,
|
||||
Err(_) => {
|
||||
return Err(KError::UserError(vec![
|
||||
Diagnostic {
|
||||
diag_type: DiagnosticType::Error,
|
||||
spans: vec![
|
||||
SpanWithLabel {
|
||||
span: Span::new(span_start, pos),
|
||||
span_type: DiagnosticType::Error,
|
||||
label: Some("this is not a valid numeric literal".to_string()),
|
||||
}
|
||||
],
|
||||
}
|
||||
]));
|
||||
}
|
||||
};
|
||||
|
||||
lexed.push(Token::Literal(
|
||||
Span::new(span_start, pos),
|
||||
Literal::Num(num)
|
||||
));
|
||||
state = State::BuildingToken;
|
||||
current_token = String::new();
|
||||
span_start = pos + 1;
|
||||
}
|
||||
} else {
|
||||
continue; // we're at the end. not a problem because
|
||||
// numbers self-terminate
|
||||
}
|
||||
}
|
||||
State::BuildingToken => {
|
||||
|
@ -70,15 +97,23 @@ pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
|||
current_token = String::new();
|
||||
// We don't need to push c because it's the quote delimiter,
|
||||
// which has already served its purpose as an indicator
|
||||
span_start = pos;
|
||||
continue;
|
||||
} else if c.is_ascii_digit() {
|
||||
state = State::Numbering;
|
||||
current_token = c.to_string();
|
||||
span_start = pos;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Known meaningful tokens
|
||||
|
||||
if current_token.is_empty() {
|
||||
span_start = pos;
|
||||
}
|
||||
|
||||
current_token.push(c);
|
||||
|
||||
match current_token.as_str() {
|
||||
"\n" => {
|
||||
continue;
|
||||
|
@ -88,59 +123,58 @@ pub fn lexer(text_source: &str) -> Result<Vec<Token>, Box<dyn Error>> {
|
|||
current_token = String::new();
|
||||
}
|
||||
";" => {
|
||||
lexed.push(Token::Statement(Statement::Terminator));
|
||||
lexed.push(Token::Statement(Span::new(span_start, pos), Statement::Terminator));
|
||||
current_token = String::new();
|
||||
}
|
||||
"if " => {
|
||||
lexed.push(Token::Statement(Statement::Conditional));
|
||||
lexed.push(Token::Statement(Span::new(span_start, pos), Statement::Conditional));
|
||||
current_token = String::new();
|
||||
}
|
||||
"to " => {
|
||||
lexed.push(Token::Statement(Statement::FunctionDef));
|
||||
lexed.push(Token::Statement(Span::new(span_start, pos), Statement::FunctionDef));
|
||||
current_token = String::new();
|
||||
}
|
||||
"for " => {
|
||||
lexed.push(Token::Statement(Statement::ForLoop));
|
||||
lexed.push(Token::Statement(Span::new(span_start, pos), Statement::ForLoop));
|
||||
current_token = String::new();
|
||||
}
|
||||
"while " => {
|
||||
lexed.push(Token::Statement(Statement::WhileLoop));
|
||||
lexed.push(Token::Statement(Span::new(span_start, pos), Statement::WhileLoop));
|
||||
current_token = String::new();
|
||||
}
|
||||
"(" => {
|
||||
lexed.push(Token::Bracket(Bracket::Open));
|
||||
lexed.push(Token::Bracket(Span::new(span_start, pos), Bracket::Open));
|
||||
current_token = String::new();
|
||||
}
|
||||
")" => {
|
||||
lexed.push(Token::Bracket(Bracket::Close));
|
||||
lexed.push(Token::Bracket(Span::new(span_start, pos), Bracket::Close));
|
||||
current_token = String::new();
|
||||
}
|
||||
"*" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Multiply));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Multiply));
|
||||
current_token = String::new();
|
||||
}
|
||||
"/" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Divide));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Divide));
|
||||
current_token = String::new();
|
||||
}
|
||||
"+" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Add));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Add));
|
||||
current_token = String::new();
|
||||
}
|
||||
"-" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Subtract));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Subtract));
|
||||
current_token = String::new();
|
||||
}
|
||||
"^" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Exponentiate));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Exponentiate));
|
||||
current_token = String::new();
|
||||
}
|
||||
"%" => {
|
||||
lexed.push(Token::ArithOperator(ArithOperator::Reduce));
|
||||
lexed.push(Token::ArithOperator(Span::new(span_start, pos), ArithOperator::Reduce));
|
||||
current_token = String::new();
|
||||
}
|
||||
|
||||
&_ => {}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
}
|
|
@ -1,3 +1,4 @@
|
|||
use crate::diagnostics::span::Span;
|
||||
use crate::variables;
|
||||
|
||||
// parts of Token
|
||||
|
@ -41,9 +42,9 @@ pub enum Bracket {
|
|||
|
||||
#[derive(Debug)]
|
||||
pub enum Token {
|
||||
Literal(Literal),
|
||||
ArithOperator(ArithOperator),
|
||||
Statement(Statement),
|
||||
Bracket(Bracket),
|
||||
Variable(variables::Variable),
|
||||
Literal(Span, Literal),
|
||||
ArithOperator(Span, ArithOperator),
|
||||
Statement(Span, Statement),
|
||||
Bracket(Span, Bracket),
|
||||
Variable(Span, variables::Variable),
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
pub mod errors;
|
||||
pub mod lexer;
|
||||
pub mod lexutil;
|
||||
pub mod modules;
|
||||
pub mod variables;
|
||||
pub mod variables;
|
||||
pub mod diagnostics;
|
||||
pub mod lexer;
|
||||
pub mod error;
|
Loading…
Reference in New Issue