jbuild 0.1.8

High-performance Java build tool supporting Maven and Gradle
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276

//! Java parser for Checkstyle-rs

use crate::checkstyle::api::error::{CheckstyleError, CheckstyleResult};
use crate::checkstyle::api::file::FileContents;
use crate::checkstyle::parser::ast_impl::DetailAstImpl;
use std::sync::{Arc, Mutex};
use tree_sitter::{Parser, Tree};

/// Java parser options
#[derive(Debug, Clone, Copy)]
pub enum ParserOptions {
    /// Include comments in AST
    WithComments,
    /// Exclude comments from AST
    WithoutComments,
}

/// Java parser
pub struct JavaParser;

impl JavaParser {
    /// Parse a Java source file into an AST
    ///
    /// This implementation uses tree-sitter-java to parse Java source code.
    pub fn parse(contents: &FileContents) -> CheckstyleResult<Arc<DetailAstImpl>> {
        let text = contents.get_text().get_full_text();

        // Initialize tree-sitter parser
        let mut parser = Parser::new();
        let language = tree_sitter_java::language();
        parser
            .set_language(language)
            .map_err(|e| CheckstyleError::Parse(format!("Failed to set Java language: {e}")))?;

        // Parse the source code
        let tree = parser.parse(text, None).ok_or_else(|| {
            CheckstyleError::Parse("Failed to parse Java source code".to_string())
        })?;

        // Convert tree-sitter tree to our AST
        Self::convert_tree_sitter_tree(&tree, text)
    }

    /// Parse with options
    pub fn parse_with_options(
        contents: &FileContents,
        _options: ParserOptions,
    ) -> CheckstyleResult<Arc<DetailAstImpl>> {
        Self::parse(contents)
    }

    /// Convert tree-sitter tree to DetailAstImpl
    fn convert_tree_sitter_tree(tree: &Tree, source: &str) -> CheckstyleResult<Arc<DetailAstImpl>> {
        let root_node = tree.root_node();

        // Build AST from tree-sitter nodes
        Self::build_ast_node(&root_node, source, None)
    }

    /// Build an AST node from a tree-sitter node
    fn build_ast_node(
        node: &tree_sitter::Node,
        source: &str,
        parent: Option<Arc<DetailAstImpl>>,
    ) -> CheckstyleResult<Arc<DetailAstImpl>> {
        let node_text = node.utf8_text(source.as_bytes()).unwrap_or("").to_string();

        // Map tree-sitter node type to our token type
        let token_type = Self::map_node_type_to_token_type(node.kind());

        let ast_node = Arc::new(DetailAstImpl {
            token_type,
            text: node_text,
            line_no: node.start_position().row + 1, // tree-sitter is 0-based
            column_no: node.start_position().column + 1,
            parent: parent.clone(),
            first_child: Arc::new(Mutex::new(None)),
            next_sibling: Arc::new(Mutex::new(None)),
        });

        // Build children
        let child_count = node.child_count();
        let mut children = Vec::new();

        for i in 0..child_count {
            let child_node = node
                .child(i)
                .ok_or_else(|| CheckstyleError::Parse("Failed to get child node".to_string()))?;

            let child_ast = Self::build_ast_node(&child_node, source, Some(ast_node.clone()))?;
            children.push(child_ast);
        }

        // Link children together
        if !children.is_empty() {
            // Set first child
            let first = children[0].clone();
            ast_node.set_first_child(Some(first.clone()));

            // Link siblings
            for i in 0..children.len() - 1 {
                let current = &children[i];
                let next = children[i + 1].clone();
                current.set_next_sibling(Some(next));
            }
        }

        Ok(ast_node)
    }

    /// Map tree-sitter node type to our token type
    fn map_node_type_to_token_type(node_type: &str) -> i32 {
        // Map tree-sitter node types to Checkstyle token types
        // This mapping is based on tree-sitter-java grammar
        match node_type {
            // Compilation unit
            "program" | "compilation_unit" => crate::checkstyle::api::ast::token_types::COMPILATION_UNIT,

            // Package and imports
            "package_declaration" => crate::checkstyle::api::ast::token_types::PACKAGE_DEF,
            "import_declaration" => crate::checkstyle::api::ast::token_types::IMPORT,

            // Type declarations
            "class_declaration" => crate::checkstyle::api::ast::token_types::CLASS_DEF,
            "interface_declaration" => crate::checkstyle::api::ast::token_types::INTERFACE_DEF,
            "enum_declaration" => crate::checkstyle::api::ast::token_types::ENUM_DEF,
            "class_body" | "interface_body" | "enum_body" => crate::checkstyle::api::ast::token_types::OBJBLOCK,

            // Members
            "method_declaration" => crate::checkstyle::api::ast::token_types::METHOD_DEF,
            "constructor_declaration" => crate::checkstyle::api::ast::token_types::CTOR_DEF,
            "field_declaration" | "variable_declarator" => {
                crate::checkstyle::api::ast::token_types::VARIABLE_DEF
            }
            "block" => crate::checkstyle::api::ast::token_types::SLIST,

            // Statements
            "if_statement" => crate::checkstyle::api::ast::token_types::LITERAL_IF,
            "while_statement" => crate::checkstyle::api::ast::token_types::LITERAL_WHILE,
            "for_statement" => crate::checkstyle::api::ast::token_types::LITERAL_FOR,
            "do_statement" => crate::checkstyle::api::ast::token_types::LITERAL_DO,
            "switch_statement" => crate::checkstyle::api::ast::token_types::LITERAL_SWITCH,
            "switch_expression" => crate::checkstyle::api::ast::token_types::LITERAL_SWITCH,
            "return_statement" => crate::checkstyle::api::ast::token_types::LITERAL_RETURN,
            "break_statement" => crate::checkstyle::api::ast::token_types::LITERAL_BREAK,
            "continue_statement" => crate::checkstyle::api::ast::token_types::LITERAL_CONTINUE,
            "throw_statement" => crate::checkstyle::api::ast::token_types::LITERAL_THROW,
            "try_statement" => crate::checkstyle::api::ast::token_types::LITERAL_TRY,
            "catch_clause" => crate::checkstyle::api::ast::token_types::LITERAL_CATCH,
            "finally_clause" => crate::checkstyle::api::ast::token_types::LITERAL_FINALLY,
            "assert_statement" => crate::checkstyle::api::ast::token_types::LITERAL_ASSERT,
            "expression_statement" => crate::checkstyle::api::ast::token_types::EXPR,
            "empty_statement" => 1448, // EMPTY_STAT

            // Expressions
            "expression" => crate::checkstyle::api::ast::token_types::EXPR,
            "assignment_expression" => crate::checkstyle::api::ast::token_types::ASSIGN,
            "binary_expression" => {
                // Try to determine operator type from node text or children
                // For now, return EXPR - could be enhanced to check operator
                crate::checkstyle::api::ast::token_types::EXPR
            }
            "unary_expression" => crate::checkstyle::api::ast::token_types::EXPR,
            "method_invocation" => 959, // METHOD_CALL
            "object_creation_expression" => crate::checkstyle::api::ast::token_types::LITERAL_NEW,
            "array_creation_expression" => crate::checkstyle::api::ast::token_types::LITERAL_NEW,
            "ternary_expression" => crate::checkstyle::api::ast::token_types::QUESTION,
            "instanceof_expression" => crate::checkstyle::api::ast::token_types::LITERAL_INSTANCEOF,

            // Literals and identifiers
            "identifier" => crate::checkstyle::api::ast::token_types::IDENT,
            "string_literal" => crate::checkstyle::api::ast::token_types::STRING_LITERAL,
            "integer_literal" => crate::checkstyle::api::ast::token_types::NUM_INT,
            "boolean_literal" => crate::checkstyle::api::ast::token_types::LITERAL_BOOLEAN,
            "null_literal" => crate::checkstyle::api::ast::token_types::LITERAL_NULL,
            "character_literal" => crate::checkstyle::api::ast::token_types::CHAR_LITERAL,
            "floating_point_literal" => {
                // Try to determine if it's float or double based on suffix
                // For now, default to NUM_DOUBLE - could be enhanced
                crate::checkstyle::api::ast::token_types::NUM_DOUBLE
            }

            // Type keywords
            "void_type" => crate::checkstyle::api::ast::token_types::LITERAL_VOID,
            "boolean_type" => crate::checkstyle::api::ast::token_types::LITERAL_BOOLEAN,
            "integral_type" => crate::checkstyle::api::ast::token_types::LITERAL_INT,
            "floating_point_type" => crate::checkstyle::api::ast::token_types::LITERAL_DOUBLE,
            "type_identifier" => crate::checkstyle::api::ast::token_types::TYPE,

            // Modifiers
            "public" => crate::checkstyle::api::ast::token_types::LITERAL_PUBLIC,
            "protected" => crate::checkstyle::api::ast::token_types::LITERAL_PROTECTED,
            "private" => crate::checkstyle::api::ast::token_types::LITERAL_PRIVATE,
            "static" => crate::checkstyle::api::ast::token_types::LITERAL_STATIC,
            "final" => crate::checkstyle::api::ast::token_types::LITERAL_FINAL,
            "abstract" => crate::checkstyle::api::ast::token_types::LITERAL_ABSTRACT,
            "native" => crate::checkstyle::api::ast::token_types::LITERAL_NATIVE,
            "transient" => crate::checkstyle::api::ast::token_types::LITERAL_TRANSIENT,
            "volatile" => crate::checkstyle::api::ast::token_types::LITERAL_VOLATILE,
            "synchronized" => crate::checkstyle::api::ast::token_types::LITERAL_SYNCHRONIZED,
            "strictfp" => crate::checkstyle::api::ast::token_types::LITERAL_STRICTFP,

            // Keywords
            "class" => crate::checkstyle::api::ast::token_types::LITERAL_CLASS,
            "interface" => crate::checkstyle::api::ast::token_types::LITERAL_INTERFACE,
            "enum" => crate::checkstyle::api::ast::token_types::LITERAL_ENUM,
            "extends" => crate::checkstyle::api::ast::token_types::LITERAL_EXTENDS,
            "implements" => crate::checkstyle::api::ast::token_types::LITERAL_IMPLEMENTS,
            "import" => crate::checkstyle::api::ast::token_types::LITERAL_IMPORT,
            "package" => crate::checkstyle::api::ast::token_types::LITERAL_PACKAGE,
            "this" => crate::checkstyle::api::ast::token_types::LITERAL_THIS,
            "super" => crate::checkstyle::api::ast::token_types::LITERAL_SUPER,
            "new" => crate::checkstyle::api::ast::token_types::LITERAL_NEW,
            "if" => crate::checkstyle::api::ast::token_types::LITERAL_IF,
            "else" => crate::checkstyle::api::ast::token_types::LITERAL_ELSE,
            "while" => crate::checkstyle::api::ast::token_types::LITERAL_WHILE,
            "for" => crate::checkstyle::api::ast::token_types::LITERAL_FOR,
            "do" => crate::checkstyle::api::ast::token_types::LITERAL_DO,
            "switch" => crate::checkstyle::api::ast::token_types::LITERAL_SWITCH,
            "case" => crate::checkstyle::api::ast::token_types::LITERAL_CASE,
            "default" => crate::checkstyle::api::ast::token_types::LITERAL_DEFAULT,
            "break" => crate::checkstyle::api::ast::token_types::LITERAL_BREAK,
            "continue" => crate::checkstyle::api::ast::token_types::LITERAL_CONTINUE,
            "return" => crate::checkstyle::api::ast::token_types::LITERAL_RETURN,
            "try" => crate::checkstyle::api::ast::token_types::LITERAL_TRY,
            "catch" => crate::checkstyle::api::ast::token_types::LITERAL_CATCH,
            "finally" => crate::checkstyle::api::ast::token_types::LITERAL_FINALLY,
            "throw" => crate::checkstyle::api::ast::token_types::LITERAL_THROW,
            "throws" => crate::checkstyle::api::ast::token_types::LITERAL_THROWS,
            "assert" => crate::checkstyle::api::ast::token_types::LITERAL_ASSERT,
            "instanceof" => crate::checkstyle::api::ast::token_types::LITERAL_INSTANCEOF,

            // Operators and punctuation
            "=" => crate::checkstyle::api::ast::token_types::ASSIGN,
            "+=" => crate::checkstyle::api::ast::token_types::PLUS_ASSIGN,
            "-=" => crate::checkstyle::api::ast::token_types::MINUS_ASSIGN,
            "*=" => crate::checkstyle::api::ast::token_types::STAR_ASSIGN,
            "/=" => crate::checkstyle::api::ast::token_types::DIV_ASSIGN,
            "%=" => crate::checkstyle::api::ast::token_types::MOD_ASSIGN,
            "||" => crate::checkstyle::api::ast::token_types::LOR,
            "&&" => crate::checkstyle::api::ast::token_types::LAND,
            "|" => crate::checkstyle::api::ast::token_types::BOR,
            "^" => crate::checkstyle::api::ast::token_types::BXOR,
            "&" => crate::checkstyle::api::ast::token_types::BAND,
            "!=" => crate::checkstyle::api::ast::token_types::NOT_EQUAL,
            "==" => crate::checkstyle::api::ast::token_types::EQUAL,
            "<" => crate::checkstyle::api::ast::token_types::LT,
            ">" => crate::checkstyle::api::ast::token_types::GT,
            "<=" => crate::checkstyle::api::ast::token_types::LE,
            ">=" => crate::checkstyle::api::ast::token_types::GE,
            "!" => crate::checkstyle::api::ast::token_types::LNOT,
            "~" => crate::checkstyle::api::ast::token_types::BNOT,
            "++" => crate::checkstyle::api::ast::token_types::INC,
            "--" => crate::checkstyle::api::ast::token_types::DEC,
            "?" => crate::checkstyle::api::ast::token_types::QUESTION,
            ":" => crate::checkstyle::api::ast::token_types::COLON,
            "," => crate::checkstyle::api::ast::token_types::COMMA,
            "." => crate::checkstyle::api::ast::token_types::DOT,
            ";" => crate::checkstyle::api::ast::token_types::SEMI,
            "*" => crate::checkstyle::api::ast::token_types::STAR,
            "{" => 2241, // LCURLY
            "}" => 2270, // RCURLY
            "(" => 2353, // LPAREN
            ")" => 2385, // RPAREN
            "[" => 1629, // LBRACK
            "]" => crate::checkstyle::api::ast::token_types::RBRACK,

            // Comments
            "line_comment" => crate::checkstyle::api::ast::token_types::SINGLE_LINE_COMMENT,
            "block_comment" => crate::checkstyle::api::ast::token_types::BLOCK_COMMENT_BEGIN,

            // Default for unknown types
            _ => 0,
        }
    }
}