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replace try_parse!() macro to closure

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Jeong YunWon 2022-08-12 08:35:34 +09:00
parent fa6c66272e
commit c476c276ab
1 changed files with 3 additions and 10 deletions
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13
porcelain/src/lib.rs
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@ -99,21 +99,14 @@ pub fn compile_symtable(
mode: compile::Mode, mode: compile::Mode,
source_path: &str, source_path: &str,
) -> Result<symboltable::SymbolTable, CompileError> { ) -> Result<symboltable::SymbolTable, CompileError> {
macro_rules! try_parse { let parse_err = |e| CompileError::from_parse(e, source, source_path.to_owned());
($x:expr) => {
match $x {
Ok(x) => x,
Err(e) => return Err(CompileError::from_parse(e, source, source_path.to_owned())),
}
};
}
let res = match mode { let res = match mode {
compile::Mode::Exec | compile::Mode::Single | compile::Mode::BlockExpr => { compile::Mode::Exec | compile::Mode::Single | compile::Mode::BlockExpr => {
let ast = try_parse!(parser::parse_program(source)); let ast = parser::parse_program(source).map_err(parse_err)?;
symboltable::make_symbol_table(&ast) symboltable::make_symbol_table(&ast)
} }
compile::Mode::Eval => { compile::Mode::Eval => {
let expr = try_parse!(parser::parse_expression(source)); let expr = parser::parse_expression(source).map_err(parse_err)?;
symboltable::make_symbol_table_expr(&expr) symboltable::make_symbol_table_expr(&expr)
} }
}; };