Alek Ratzloff
38b7124fe2
* rerun_except will ensure a build doesn't rerun if a *.not file is modified, which it would otherwise do * Add examples/expr.not with some basic assignment statements and function calls Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
25 lines
813 B
Rust
25 lines
813 B
Rust
use cfgrammar::yacc::YaccKind;
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use lrlex::LexerBuilder;
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use lrpar::CTParserBuilder;
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use rerun_except::rerun_except;
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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// Skip rerunning if it's just *.not files that have changed
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rerun_except(&["*.not"]).unwrap();
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// Build parser + lexer
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let mut parser_builder = CTParserBuilder::new()
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.yacckind(YaccKind::Grmtools)
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.error_on_conflicts(false);
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let lex_rule_ids_map = parser_builder
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.process_file_in_src("syn/parser.y")?;
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if let Some((grm, _, _, conflicts)) = parser_builder.conflicts() {
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eprintln!("{}", conflicts.pp(grm));
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return Err("conflicts in parser".into());
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}
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LexerBuilder::new()
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.rule_ids_map(lex_rule_ids_map)
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.process_file_in_src("syn/lexer.l")?;
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Ok(())
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}
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