oak_groovy/builder/
mod.rs1#![doc = include_str!("readme.md")]
2use crate::{ast::*, language::GroovyLanguage, parser::GroovyParser};
3use oak_core::{Builder, BuilderCache, GreenNode, OakDiagnostics, Parser, SourceText, TextEdit, source::Source};
4
5#[derive(Clone)]
7pub struct GroovyBuilder<'config> {
8 config: &'config GroovyLanguage,
10}
11
12impl<'config> GroovyBuilder<'config> {
13 pub fn new(config: &'config GroovyLanguage) -> Self {
15 Self { config }
16 }
17
18 pub fn build_root(&self, green: &GreenNode<GroovyLanguage>, source: &SourceText) -> Result<GroovyRoot, oak_core::OakError> {
20 let mut declarations = Vec::new();
21 let mut offset = 0;
22
23 for child in green.children() {
24 if let oak_core::GreenTree::Node(node) = child {
25 if let Some(decl) = self.build_declaration(node, source, offset) {
26 declarations.push(decl)
27 }
28 }
29 offset += child.len() as usize
30 }
31
32 Ok(GroovyRoot { declarations, span: (0..source.length()).into() })
33 }
34
35 fn build_declaration(&self, node: &oak_core::GreenNode<GroovyLanguage>, source: &SourceText, offset: usize) -> Option<crate::ast::Declaration> {
36 use crate::parser::element_type::GroovyElementType;
37 let kind: GroovyElementType = node.kind;
38 let start = offset;
39
40 match kind {
41 GroovyElementType::ClassKeyword => {
42 let mut name = "GroovyClass".to_string();
43 let mut inner_offset = offset;
44 for child in node.children() {
45 if let oak_core::GreenTree::Leaf(leaf) = child {
46 if leaf.kind == crate::lexer::token_type::GroovyTokenType::Identifier {
47 name = source.get_text_in((inner_offset..inner_offset + leaf.length as usize).into()).to_string();
48 break;
49 }
50 }
51 inner_offset += child.len() as usize;
52 }
53 Some(crate::ast::Declaration::Class { name, members: vec![], span: (start..start + node.byte_length as usize).into() })
54 }
55 GroovyElementType::DefKeyword => {
56 let mut name = "groovyMethod".to_string();
57 let mut inner_offset = offset;
58 for child in node.children() {
59 if let oak_core::GreenTree::Leaf(leaf) = child {
60 if leaf.kind == crate::lexer::token_type::GroovyTokenType::Identifier {
61 name = source.get_text_in((inner_offset..inner_offset + leaf.length as usize).into()).to_string();
62 break;
63 }
64 }
65 inner_offset += child.len() as usize;
66 }
67 Some(crate::ast::Declaration::Method { name, params: vec![], span: (start..start + node.byte_length as usize).into() })
68 }
69 _ => {
70 if kind == GroovyElementType::Root || kind == GroovyElementType::SourceFile {
72 }
74 None
75 }
76 }
77 }
78}
79
80impl<'config> Builder<GroovyLanguage> for GroovyBuilder<'config> {
81 fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<GroovyLanguage>) -> oak_core::builder::BuildOutput<GroovyLanguage> {
82 let parser = GroovyParser::new(self.config);
83 let mut cache = oak_core::parser::ParseSession::<GroovyLanguage>::default();
84 let parse_result = parser.parse(source, edits, &mut cache);
85
86 match parse_result.result {
87 Ok(green_tree) => {
88 let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
89 match self.build_root(green_tree, &source_text) {
90 Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
91 Err(build_error) => {
92 let mut diagnostics = parse_result.diagnostics;
93 diagnostics.push(build_error.clone());
94 OakDiagnostics { result: Err(build_error), diagnostics }
95 }
96 }
97 }
98 Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
99 }
100 }
101}