vb6parse 1.0.0

vb6parse is a library for parsing and analyzing VB6 code, from projects, to controls, to modules, and forms.
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

//! Example demonstrating how to read the audiostation project file
//! and parse it into a Concrete Syntax Tree (CST).
//!

use std::env;
use vb6parse::files::ProjectFile;
use vb6parse::io::SourceFile;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let current_directory = env::current_dir()?;

    let project_directory = current_directory.join("tests/data/audiostation/Audiostation");
    let project_path = project_directory.join("Audiostation.vbp");

    println!("Reading project file from: {}", project_path.display());

    // Load the audiostation project file from the test/data directory
    let project_content =
        std::fs::read(&project_path).expect("Failed to read audiostation project file. This example requires the test data to be present. run `git submodule update --init --recursive` in the terminal from the repository root to fetch the test data.");

    // Create a SourceFile for the project file.
    let project_source = SourceFile::decode_with_replacement("audiostation.vbp", &project_content)
        .expect("Failed to decode project source file.");

    // Parse the project file
    let project_parse_result = ProjectFile::parse(&project_source);

    if project_parse_result.has_failures() {
        for failure in project_parse_result.failures() {
            failure.print();
        }
    }
    let project = project_parse_result.unwrap();

    println!("Project Title: {}", project.properties.title);
    println!("Startup Object: {}", project.properties.startup);
    println!(
        "Number of Modules: {}",
        project.modules().collect::<Vec<_>>().len()
    );
    println!(
        "Number of Forms: {}",
        project.forms().collect::<Vec<_>>().len()
    );
    println!(
        "Number of Classes: {}",
        project.classes().collect::<Vec<_>>().len()
    );

    println!();

    // For demonstration, parse the last module into a CST
    if let Some(last_module) = project.modules().last() {
        let module_path = project_directory
            .join(last_module.path.replace('\\', "/"))
            .to_str()
            .unwrap()
            .to_string();
        println!("Reading module file from: {module_path:?}");

        let module_source =
            SourceFile::decode_with_replacement(&module_path, &std::fs::read(&module_path)?)
                .expect("Failed to decode module source file.");

        let module_parse_result = vb6parse::ModuleFile::parse(&module_source);
        if module_parse_result.has_failures() {
            for failure in module_parse_result.failures() {
                failure.print();
            }
        }
        let module_file = module_parse_result.unwrap();
        let cst = &module_file.cst;

        println!("\nCST for module '{module_path}':");
        println!("CST Root Kind: {:?}", cst.root_kind());
        println!("Number of children: {}", cst.child_count());
        println!("\nFull text of the CST:");
        println!("{}", cst.text());
        println!("\nDebug tree structure:");
        println!("{}", cst.debug_tree());
    }

    Ok(())
}