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[parser] Expand ParseError; add a ProgramParser to start things off

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This commit is contained in:
Eryn Wells 2018-08-23 20:21:59 -07:00
parent 6aed66d2b5
commit 80bf4b7bf1
1 changed files with 6 additions and 2 deletions
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8
parser/src/lib.rs
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@ -21,7 +21,10 @@ use sym_parser::SymParser;
pub type Result = std::result::Result<Obj, ParseError>; pub type Result = std::result::Result<Obj, ParseError>;
#[derive(Debug)] #[derive(Debug)]
pub struct ParseError; pub enum ParseError {
LexerError{msg: String},
ParserError{msg: String}
}
pub struct Parser<T> where T: Iterator<Item=LexerResult> { pub struct Parser<T> where T: Iterator<Item=LexerResult> {
input: Peekable<T>, input: Peekable<T>,
@ -30,9 +33,10 @@ pub struct Parser<T> where T: Iterator<Item=LexerResult> {
impl<T> Parser<T> where T: Iterator<Item=LexerResult> { impl<T> Parser<T> where T: Iterator<Item=LexerResult> {
pub fn new(input: T) -> Parser<T> { pub fn new(input: T) -> Parser<T> {
let program_parser = Box::new(ProgramParser::new());
Parser { Parser {
input: input.peekable(), input: input.peekable(),
parsers: Vec::new(), parsers: vec!(program_parser)
} }
} }
} }