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27 lines
986 B
27 lines
986 B
use crate::asm::error::Error;
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use crate::asm::instr::Op;
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use crate::asm::parse::arg_parser::ArgParser;
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use crate::builtin::parse::BuiltinOps;
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use crate::module::{CrsnExtension, ParseOpRes};
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pub fn parse_op(keyword: &str, mut arg_tokens: ArgParser, parsers: &[Box<dyn CrsnExtension>]) -> Result<Op, Error> {
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// Include built-in instructions
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let builtins = [BuiltinOps::new()];
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for p in builtins.iter().chain(parsers) {
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arg_tokens = match p.parse_op(keyword, arg_tokens) {
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Ok(ParseOpRes::Parsed(op)) => return Ok(op),
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Ok(ParseOpRes::Unknown(to_reuse)) => {
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if to_reuse.parsing_started() {
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panic!("Module \"{}\" started parsing {}, but returned Unknown!", p.name(), keyword);
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}
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to_reuse
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}
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Err(err) => {
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return Err(err);
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}
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}
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}
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return Err(Error::Parse(format!("Unknown instruction: {}", keyword).into()));
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}
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