added a (very incomplete) C frontend for DSAC

compiler/src/frontend/c/mod.rs

@@ -0,0 +1,25 @@
+use common::logging::log;
+
+use crate::model::{CompilerError, Program};
+use parser::Parser;
+
+pub mod lexer;
+pub mod parser;
+
+pub fn generate_ast(input: &str) -> Result<Program, CompilerError> {
+    log("Tokenising Input...");
+
+    let mut lexer = lexer::Lexer::new(&input);
+    let tokens = lexer.tokenize().map_err(|e| CompilerError::Generic(e))?;
+    // println!("{tokens:?}");
+
+    log(&format!("Parsing {} Tokens...", tokens.len()));
+
+    let mut parser = Parser::new(tokens);
+    let ast = match parser.parse() {
+        Ok(ast) => ast,
+        Err(e) => return Err(CompilerError::Generic(e)),
+    };
+
+    Ok(ast)
+}