Struct llvm_kaleidoscope_rs::parser::Parser

pub struct Parser<I> where
    I: Iterator<Item = char>,  { /* private fields */ }

Parser for the kaleidoscope language.

Implementations

impl<I> Parser<I> where
    I: Iterator<Item = char>, 

pub fn new(lexer: Lexer<I>) -> Self

pub fn cur_tok(&self) -> &Token

Implement the global variable int CurTok; from the tutorial.

Panics

Panics if the parser doesn’t have a current token.

pub fn get_next_token(&mut self)

Advance the cur_tok by getting the next token from the lexer.

Implement the fucntion int getNextToken(); from the tutorial.

pub fn parse_definition(&mut self) -> Result<FunctionAST, String>

definition ::= ‘def’ prototype expression

Implement std::unique_ptr<FunctionAST> ParseDefinition(); from the tutorial.

pub fn parse_extern(&mut self) -> Result<PrototypeAST, String>

external ::= ‘extern’ prototype

Implement std::unique_ptr<PrototypeAST> ParseExtern(); from the tutorial.

pub fn parse_top_level_expr(&mut self) -> Result<FunctionAST, String>

toplevelexpr ::= expression

Implement std::unique_ptr<FunctionAST> ParseTopLevelExpr(); from the tutorial.