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pub mod coin_manager;
pub mod parser;
pub mod quest_system;
pub mod repl;
pub mod resource_validator;
pub use coin_manager::{CoinError, CoinManager, CoinReward, CoinType};
pub use parser::Expr;
pub use quest_system::{ExecutionContext, FunctionDef, Quest, QuestManager, QuestObjective, QuestProgress};
pub use repl::Repl;
pub use resource_validator::{CoinCost, ResourceValidator, ValidationError};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum TokenTypes {
Number,
Plus,
Minus,
Star,
Slash,
LParen,
RParen,
Let,
Identifier,
Eq,
Fn,
LCurly,
RCurly,
Semicolon,
Comma,
Print,
String,
}
#[derive(Debug, Clone)]
pub struct Token {
pub token_type: TokenTypes,
pub value: Option<String>,
pub pos: (usize, usize),
}
pub fn tokenize(input: &str) -> Vec<Token> {
let mut tokens: Vec<Token> = Vec::new();
let mut chars = input.chars().peekable();
let mut line = 1;
let mut col = 0;
// add let
while let Some(&ch) = chars.peek() {
match ch {
'a'..='z' | 'A'..='Z' | '_' => {
let mut ident = String::new();
while let Some(&c) = chars.peek() {
if c.is_alphanumeric() || c == '_' {
ident.push(c);
chars.next();
col += 1;
} else {
break;
}
}
let token_type = match ident.as_str() {
"let" => TokenTypes::Let,
"fn" => TokenTypes::Fn,
"print" => TokenTypes::Print,
_ => TokenTypes::Identifier,
};
tokens.push(Token {
token_type,
value: Some(ident),
pos: (line, col),
});
}
'0'..='9' => {
let mut num = String::new();
while let Some(&c) = chars.peek() {
if c.is_ascii_digit() {
num.push(c);
chars.next();
col += 1;
} else {
break;
}
}
tokens.push(Token {
token_type: TokenTypes::Number,
value: Some(num),
pos: (line, col),
});
}
'+' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Plus,
value: None,
pos: (line, col),
});
}
'-' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Minus,
value: None,
pos: (line, col),
});
}
'*' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Star,
value: None,
pos: (line, col),
});
}
'/' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Slash,
value: None,
pos: (line, col),
});
}
'(' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::LParen,
value: None,
pos: (line, col),
});
}
')' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::RParen,
value: None,
pos: (line, col),
});
}
'{' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::LCurly,
value: None,
pos: (line, col),
});
}
'}' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::RCurly,
value: None,
pos: (line, col),
});
}
'=' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Eq,
value: None,
pos: (line, col),
});
}
';' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Semicolon,
value: None,
pos: (line, col),
});
}
',' => {
chars.next();
col += 1;
tokens.push(Token {
token_type: TokenTypes::Comma,
value: None,
pos: (line, col),
});
}
' ' | '\t' => {
chars.next();
col += 1;
}
'\n' => {
chars.next();
line += 1;
col = 0;
}
'"' => {
chars.next(); // consume opening quote
col += 1;
let mut string_val = String::new();
while let Some(&c) = chars.peek() {
if c == '"' {
chars.next(); // consume closing quote
col += 1;
break;
} else if c == '\\' {
chars.next(); // consume backslash
col += 1;
if let Some(&escaped) = chars.peek() {
match escaped {
'n' => string_val.push('\n'),
't' => string_val.push('\t'),
'r' => string_val.push('\r'),
'\\' => string_val.push('\\'),
'"' => string_val.push('"'),
_ => {
string_val.push('\\');
string_val.push(escaped);
}
}
chars.next();
col += 1;
}
} else {
string_val.push(c);
chars.next();
col += 1;
}
}
tokens.push(Token {
token_type: TokenTypes::String,
value: Some(string_val),
pos: (line, col),
});
}
_ => {
chars.next();
col += 1;
}
}
}
tokens
}