47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
use crate::{
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ast::TopLevelStatement, codegen::codegen_from_statements, lexer::Token,
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token_stream::TokenStream,
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};
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mod ast;
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mod codegen;
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mod lexer;
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mod llvm_ir;
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mod token_stream;
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// TODO:
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// 1. Make it so that TopLevelStatement can only be import or function def
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// 2. Make BlockLevelStatement, that has everything TopLevelStatement has now
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// 3. Make it so all codegen is done with a Block-struct, that represents a
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// single proper block
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#[derive(thiserror::Error, Debug)]
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pub enum ReidError {
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#[error(transparent)]
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LexerError(#[from] lexer::Error),
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#[error(transparent)]
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ParserError(#[from] token_stream::Error),
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#[error(transparent)]
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CodegenError(#[from] codegen::Error),
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}
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pub fn compile(source: &str) -> Result<String, ReidError> {
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let tokens = lexer::tokenize(source)?;
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dbg!(&tokens);
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let mut token_stream = TokenStream::from(&tokens);
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let mut statements = Vec::new();
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while !matches!(token_stream.peek().unwrap_or(Token::Eof), Token::Eof) {
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let statement = token_stream.parse::<TopLevelStatement>()?;
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dbg!(&statement);
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statements.push(statement);
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}
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let mut module = codegen_from_statements(statements)?;
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let text = module.print_to_string().unwrap();
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Ok(text.to_owned())
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}
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