autoparser framework done
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a033c82d13
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3bfd251a68
@ -5,11 +5,25 @@ use schala_lang::{tokenizing, parsing};
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use self::tokenizing::*;
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use self::parsing::*;
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fn auto_parse(input: Vec<Token>) -> (Result<AST, ParseError>, Vec<String>) {
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let err = ParseError { msg: format!("Not yet implemented") };
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(Err(err), vec![])
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struct AutoParser {
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tokens: Vec<Token>,
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}
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impl AutoParser {
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fn new(tokens: Vec<Token>) -> AutoParser {
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AutoParser { tokens: tokens.into_iter().rev().collect() }
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}
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fn peek(&mut self) -> TokenType {
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self.tokens.last().map(|ref t| { t.token_type.clone() }).unwrap_or(TokenType::EOF)
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}
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fn next(&mut self) -> TokenType {
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self.tokens.pop().map(|t| { t.token_type }).unwrap_or(TokenType::EOF)
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}
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fn parse(&mut self) -> (Result<AST, ParseError>, Vec<String>) {
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let err = ParseError { msg: format!("Not yet implemented") };
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(Err(err), vec![])
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}
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}
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pub struct Schala { }
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@ -42,8 +56,10 @@ impl ProgrammingLanguageInterface for Schala {
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return output;
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}
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}
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let mut parser = AutoParser::new(tokens);
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let ast = match auto_parse(tokens) {
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let ast = match parser.parse() {
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(Ok(ast), trace) => {
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if options.debug_parse {
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output.add_artifact(TraceArtifact::new_parse_trace(trace));
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