50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
#[macro_use]
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mod token_set;
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mod parser;
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mod input;
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mod event;
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mod grammar;
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use std::sync::Arc;
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use {
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File, SyntaxKind, Token,
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yellow::SyntaxNode,
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syntax_kinds::*
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};
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use GreenBuilder;
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use parser::event::process;
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/// Parse a sequence of tokens into the representative node tree
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pub fn parse(text: String, tokens: &[Token]) -> File {
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let events = {
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let input = input::ParserInput::new(&text, tokens);
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let parser_impl = parser::imp::ParserImpl::new(&input);
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let mut parser = parser::Parser(parser_impl);
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grammar::file(&mut parser);
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parser.0.into_events()
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};
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event::to_file(text, tokens, events)
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}
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/// Parse a sequence of tokens into the representative node tree
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pub fn parse_green(text: String, tokens: &[Token]) -> SyntaxNode {
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let events = {
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let input = input::ParserInput::new(&text, tokens);
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let parser_impl = parser::imp::ParserImpl::new(&input);
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let mut parser = parser::Parser(parser_impl);
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grammar::file(&mut parser);
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parser.0.into_events()
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};
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let mut builder = GreenBuilder::new(text);
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process(&mut builder, tokens, events);
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let (green, errors) = builder.finish();
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SyntaxNode::new(Arc::new(green), errors)
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}
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fn is_insignificant(kind: SyntaxKind) -> bool {
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match kind {
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WHITESPACE | COMMENT => true,
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_ => false,
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}
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}
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