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Merge pull request #10 from dev-orus/master

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Rudi
2024-05-10 08:39:46 +02:00
committed by GitHub
parent b8fc8da238 9411ccd188
commit a691b66825
1 changed files with 111 additions and 21 deletions
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src/transpiler.rs
+111 -21
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@@ -3,58 +3,148 @@ use crate::parser::{Parser, AstType};
pub fn transpile(input: String, indent: u32, state: LexerState) -> String {
let mut result = String::new();
if indent > 0 {
result += " ".repeat((indent as usize)*2).as_str();
if indent == 0 {
result += "type int = i32;\n";
} else {
result += " ".repeat((indent as usize) * 2).as_str();
}
let lexer_out = lex(input.as_str(), false, state);
match lexer_out {
Ok(tokens) => {
let mut full_ast = Parser::new(tokens.clone());
while full_ast.tokens.len() > full_ast.index as usize {
let ast = full_ast.next();
println!("{ast}");
if ast.ast_type == AstType::FunctionDeceleration {
result += format!("fn {}({}) -> {} {}", ast.tokens[1].value, ast.tokens[2].value, ast.tokens[0].value, transpile(ast.tokens[3].value.clone(), indent+1, LexerState{line:ast.tokens[3].line,column:ast.tokens[3].column})).as_str();
result += format!(
"fn {}({}) -> {} {}",
ast.tokens[1].value,
transpile_round(ast.tokens[2].value.clone(), LexerState {
line: ast.tokens[2].line,
column: ast.tokens[2].column
}),
ast.tokens[0].value,
transpile(
ast.tokens[3].value.clone(),
indent + 1,
LexerState {
line: ast.tokens[3].line,
column: ast.tokens[3].column
}
)
)
.as_str();
} else if ast.ast_type == AstType::VoidFunctionDeceleration {
result += format!("fn {}({}) {}", ast.tokens[1].value, ast.tokens[2].value, transpile(ast.tokens[3].value.clone(), indent+1, LexerState{line:ast.tokens[3].line,column:ast.tokens[3].column})).as_str();
result += format!(
"fn {}({}) {}",
ast.tokens[1].value,
transpile_round(ast.tokens[2].value.clone(), LexerState {
line: ast.tokens[2].line,
column: ast.tokens[2].column
}),
transpile(
ast.tokens[3].value.clone(),
indent + 1,
LexerState {
line: ast.tokens[3].line,
column: ast.tokens[3].column
}
)
)
.as_str();
} else if ast.ast_type == AstType::VariableDeceleration {
result += format!("let {}: {}", ast.tokens[1].value, ast.tokens[0].value).as_str();
} else if ast.ast_type == AstType::MutVariableDeceleration {
result += format!("let mut {}: {}", ast.tokens[1].value, ast.tokens[0].value).as_str();
} else if ast.tokens.len() == 1 && ast.tokens[0].token_type == TokenType::Round {
result += format!("({})", ast.tokens[0].value).as_str();
result += format!(
"({})",
transpile_round(ast.tokens[0].value.clone(), LexerState {
line: ast.tokens[0].line,
column: ast.tokens[0].column
})
)
.as_str();
} else if ast.tokens.len() == 1 && ast.tokens[0].token_type == TokenType::Curly {
if ast.tokens[0].token_type==TokenType::Newline {
result += (ast.tokens[0].value.as_str().to_owned() + (" ".repeat((indent as usize)*2).as_str())).as_str()
}
else {
result += ast.tokens[0].value.as_str()
if ast.tokens[0].token_type == TokenType::Newline {
result += (ast.tokens[0].value.as_str().to_owned()
+ (" ".repeat((indent as usize) * 2).as_str()))
.as_str();
} else {
result += ast.tokens[0].value.as_str();
}
} else {
if ast.tokens[0].token_type==TokenType::Newline {
result += (ast.tokens[0].value.as_str().to_owned() + (" ".repeat((indent as usize)*2).as_str())).as_str()
} else if ast.tokens[0].token_type==TokenType::Semicolon {
if ast.tokens[0].token_type == TokenType::Newline {
result += (ast.tokens[0].value.as_str().to_owned()
+ (" ".repeat((indent as usize) * 2).as_str()))
.as_str();
} else if ast.tokens[0].token_type == TokenType::Semicolon {
result += ";\n";
result += " ".repeat((indent as usize)*2).as_str();
result += " ".repeat((indent as usize) * 2).as_str();
} else {
result += ast.tokens[0].value.as_str()
result += ast.tokens[0].value.as_str();
}
}
}
result = result.trim_end().to_string();
if indent > 0 {
result += "\n";
result += " ".repeat((indent as usize-1)*2).as_str();
return "{\n".to_owned()+result.as_str()+"}"
result += " ".repeat((indent as usize - 1) * 2).as_str();
return "{\n".to_owned() + result.as_str() + "}";
} else {
return result
return result;
}
},
}
Err((state, _tokens)) => {
println!("Invalid syntax at code.ws:{}:{}", state.line, state.column);
return "".to_string();
}
}
}
pub fn transpile_round(input: String, state: LexerState) -> String {
let mut result = String::new();
let lexer_out = lex(input.as_str(), false, state);
match lexer_out {
Ok(tokens) => {
let mut full_ast = Parser::new(tokens.clone());
while full_ast.tokens.len() > full_ast.index as usize {
let ast = full_ast.next();
println!("{ast}");
if ast.ast_type == AstType::VariableDeceleration {
result += format!("{}: {}", ast.tokens[1].value, ast.tokens[0].value).as_str();
} else if ast.ast_type == AstType::MutVariableDeceleration {
result += format!("mut {}: {}", ast.tokens[1].value, ast.tokens[0].value).as_str();
} else if ast.tokens.len() == 1 && ast.tokens[0].token_type == TokenType::Round {
result += format!(
"({})",
transpile_round(ast.tokens[0].value.clone(), LexerState {
line: ast.tokens[0].line,
column: ast.tokens[0].column
})
)
.as_str();
} else {
result += ast.tokens[0].value.as_str()
}
}
result = result.trim_end().to_string();
result
}
Err((state, _tokens)) => {
println!("Invalid syntax at code.ws:{}:{}", state.line, state.column);
return "".to_string();
}
}
}