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implement super basic check
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parent
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commit
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11
src/main.rs
11
src/main.rs
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@ -1,16 +1,23 @@
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use lexer::Token;
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use lexer::Token;
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use logos::Lexer;
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use logos::Lexer;
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use logos::Logos;
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use logos::Logos;
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use syntax::parse;
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use syntax::parse_syntax;
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use utils::ws;
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use utils::ws;
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use winnow::prelude::*;
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use winnow::prelude::*;
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use winnow::Parser;
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use winnow::Parser;
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use crate::syntax::check_syntax;
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mod lexer;
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mod lexer;
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mod syntax;
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mod syntax;
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mod utils;
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mod utils;
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fn main() {
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fn main() {
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// valid
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let input = "load \"./image.png\" | invert | save \"./image_processed.jpg\"";
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let input = "load \"./image.png\" | invert | save \"./image_processed.jpg\"";
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dbg!(parse(input));
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dbg!(parse_syntax(input));
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// invalid
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let invalid_no_streamer = "| invert | save \"./image_processed.jpg\"";
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check_syntax(parse_syntax(invalid_no_streamer), invalid_no_streamer)
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}
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}
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@ -1,5 +1,14 @@
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use core::panic;
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use std::mem;
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use std::mem;
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use codespan_reporting::diagnostic::Diagnostic;
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use codespan_reporting::diagnostic::Label;
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use codespan_reporting::files::Files;
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use codespan_reporting::files::SimpleFile;
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use codespan_reporting::files::SimpleFiles;
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use codespan_reporting::term;
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use codespan_reporting::term::termcolor::ColorChoice;
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use codespan_reporting::term::termcolor::StandardStream;
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use logos::Logos;
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use logos::Logos;
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use logos::Span;
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use logos::Span;
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@ -31,7 +40,7 @@ pub enum CommandPartKind {
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String(String),
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String(String),
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}
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}
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pub fn parse(input: &str) -> Vec<PipelineElement> {
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pub fn parse_syntax(input: &str) -> Vec<PipelineElement> {
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let lexer = Token::lexer(input);
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let lexer = Token::lexer(input);
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let mut r = Vec::new();
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let mut r = Vec::new();
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@ -76,6 +85,7 @@ pub fn parse(input: &str) -> Vec<PipelineElement> {
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_ => {}
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_ => {}
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}
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}
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} else {
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} else {
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panic!("Error at {span:?}")
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}
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}
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}
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}
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@ -91,8 +101,31 @@ pub fn parse(input: &str) -> Vec<PipelineElement> {
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r
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r
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}
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}
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pub fn check_syntax(syntax: Vec<PipelineElement>, raw_source: &str) {
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let mut files = SimpleFiles::new();
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let file_id = files.add("input", raw_source);
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if let Some(PipelineElement {
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kind: PipelineElementKind::Pipe,
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span,
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}) = syntax.first()
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{
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let err = Diagnostic::error()
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.with_message("Missing streamer for pipeline")
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.with_labels(vec![
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Label::primary(file_id, 0..span.end).with_message("expected streamer")
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])
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.with_notes(vec!["a pipeline can't start with a pipe".to_string()]);
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let writer = StandardStream::stderr(ColorChoice::Always);
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let config = codespan_reporting::term::Config::default();
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term::emit(&mut writer.lock(), &config, &files, &err).unwrap();
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}
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}
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#[test]
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#[test]
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fn test_simple_parse_pipeline() {
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fn test_simple_parse_pipeline() {
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let test_pipeline = "load ./image.png | invert | save ./image_processed.jpg";
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let test_pipeline = "load ./image.png | invert | save ./image_processed.jpg";
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parse(test_pipeline);
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parse_syntax(test_pipeline);
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}
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}
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