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use crate::reserved;
use crate::utils;
use std::sync::atomic;
#[derive(Debug, Clone, PartialEq)]
pub enum TokenType {
Global,
Comment,
Decl,
Scope(bool, Vec<String>),
Class,
Function,
Member(String, Vec<String>),
Property(Vec<String>),
}
#[derive(Debug, Clone)]
pub struct Token {
pub ident: String,
pub typ: TokenType,
}
impl Token {
pub fn new(ident: String, typ: TokenType) -> Self {
Self { ident, typ }
}
}
static COUNTER: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
pub fn parse(file: &str) -> Vec<Token> {
let file = utils::fix_long_props(file);
let mut tok_vec: Vec<Token> = vec![];
let mut parent: Vec<String> = vec![];
let mut curr_widget: Option<String> = None;
let lines = file.lines();
for line in lines {
let words: Vec<&str> = line.split_whitespace().collect();
let words = utils::sanitize_words(words);
let mut ast = Token::new("".to_string(), TokenType::Global);
if let Some(first) = words.get(0) {
match first.as_str() {
"#" => ast.typ = TokenType::Comment,
"decl" => {
ast.typ = TokenType::Decl;
parent.push(format!("decl {}", ast.ident.clone()));
ast.typ = TokenType::Scope(true, parent.clone());
}
"}" => {
if let Some(w) = words.get(1) {
if w == "{" {
ast.typ = TokenType::Scope(true, parent.clone());
} else if w == "{}" {
parent.pop();
ast.typ = TokenType::Scope(false, parent.clone());
}
} else {
let temp = parent.pop();
if let Some(p) = temp {
if !p.contains("decl") {
ast.typ = TokenType::Scope(false, parent.clone());
}
}
}
}
"class" => {
if words.len() > 2 {
ast.ident = words[1].to_string();
ast.typ = TokenType::Class;
parent.push(format!("class {}", ast.ident.clone()));
}
}
"Function" => {
if words.len() > 2 {
for i in 0..words.len() {
let name = utils::unbracket(&words[1]).to_string();
if words[i] == "return_type" {
ast.ident = format!(
"{} -> Self",
name,
);
ast.typ = TokenType::Function;
break;
} else {
ast.ident = name.clone();
ast.typ = TokenType::Function;
}
}
parent.push(format!("Function {}", ast.ident.clone()));
}
}
_ => {
if first.starts_with("Fl_") || *first == "MenuItem" || *first == "Submenu" {
let temp: String;
if !words[1].starts_with('{') {
temp = words[1].to_string();
} else {
let val = COUNTER.load(atomic::Ordering::Relaxed);
temp = format!("fl2rust_widget_{}", val);
COUNTER.store(val + 1, atomic::Ordering::Relaxed);
}
curr_widget = Some(temp.clone());
parent.push(format!("{} {}", first.clone(), temp.clone()));
ast.ident = temp.clone();
ast.typ = TokenType::Member(utils::de_fl(first), vec![]);
} else if reserved::is_widget_prop(first) {
if let Some(curr) = curr_widget.clone() {
ast.ident = curr.clone();
ast.typ = TokenType::Property(words);
}
} else {
}
}
}
}
assert!(!reserved::is_rust_reserved(&ast.ident));
tok_vec.push(ast.clone());
if let TokenType::Member(_, _) = ast.typ {
tok_vec.push(Token {
ident: String::from(""),
typ: TokenType::Scope(true, parent.clone()),
})
}
}
add_props(tok_vec)
}
pub fn add_props(mut tokens: Vec<Token>) -> Vec<Token> {
let mut tok_vec: Vec<Token> = vec![];
for i in 0..tokens.len() {
if let TokenType::Property(v) = &tokens[i].typ {
if let Some(p) = tokens.get(i + 1) {
if let TokenType::Property(v1) = &p.typ {
let mut v = v.clone();
v.append(&mut v1.clone());
tokens[i].typ = TokenType::Property(v.to_vec());
}
}
}
}
for i in 0..tokens.len() {
if let TokenType::Property(v) = &tokens[i].typ {
let mut elem = Token::new("".to_string(), TokenType::Global);
elem.ident = tokens[i - 2].ident.clone();
let label = v.iter().position(|x| x == "label");
if let TokenType::Member(parent_typ, _) = &tokens[i - 2].typ {
if parent_typ == "Submenu" {
elem.ident = v[label.unwrap() + 1].to_string();
}
elem.typ = TokenType::Member(parent_typ.clone(), v.clone());
tok_vec.pop();
tok_vec.push(elem);
}
} else {
tok_vec.push(tokens[i].clone());
}
}
let mut tok_vec2: Vec<Token> = vec![];
let mut i = 0;
while i < tok_vec.len() {
if let TokenType::Member(t, props) = &tok_vec[i].typ {
if !props.is_empty() {
let old = tok_vec[i].ident.clone();
if let TokenType::Scope(true, _) = &tok_vec[i + 1].typ {
let tok = Token {
ident: old,
typ: TokenType::Member(t.clone(), props.clone()),
};
tok_vec2.push(tok);
} else {
tok_vec2.push(tok_vec[i].clone());
}
}
} else if let TokenType::Scope(true, vec) = &tok_vec[i].typ {
let len = vec.len();
if vec.len() > 2 {
if vec[len - 1] == vec[len - 2] {
} else {
tok_vec2.push(tok_vec[i].clone());
}
} else {
tok_vec2.push(tok_vec[i].clone());
}
} else {
tok_vec2.push(tok_vec[i].clone());
}
i += 1;
}
tok_vec2
}