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Plain number literals (e.g. 5) are now Num *

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This commit is contained in:
Richard Feldman 2020-03-10 20:40:53 -04:00
parent 9081b7f2d1
commit 3ecbe0325c
21 changed files with 345 additions and 223 deletions
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15
compiler/can/src/pattern.rs
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@ -16,6 +16,7 @@ pub enum Pattern {
Identifier(Symbol),
AppliedTag(Variable, TagName, Vec<(Variable, Located<Pattern>)>),
IntLiteral(i64),
NumLiteral(Variable, i64),
FloatLiteral(f64),
StrLiteral(Box<str>),
RecordDestructure(Variable, Vec<Located<RecordDestruct>>),
@ -61,7 +62,12 @@ pub fn symbols_from_pattern_help(pattern: &Pattern, symbols: &mut Vec<Symbol>) {
}
}
IntLiteral(_) | FloatLiteral(_) | StrLiteral(_) | Underscore | UnsupportedPattern(_) => {}
NumLiteral(_, _)
| IntLiteral(_)
| FloatLiteral(_)
| StrLiteral(_)
| Underscore
| UnsupportedPattern(_) => {}
Shadowed(_, _) => {}
}
@ -155,12 +161,12 @@ pub fn canonicalize_pattern<'a>(
ptype @ DefExpr | ptype @ TopLevelDef => unsupported_pattern(env, ptype, region),
},
IntLiteral(string) => match pattern_type {
NumLiteral(string) => match pattern_type {
WhenBranch => {
let int = finish_parsing_int(string)
.unwrap_or_else(|_| panic!("TODO handle malformed int pattern"));
Pattern::IntLiteral(int)
Pattern::NumLiteral(var_store.fresh(), int)
}
ptype @ DefExpr | ptype @ TopLevelDef | ptype @ FunctionArg => {
unsupported_pattern(env, ptype, region)
@ -353,7 +359,8 @@ fn add_bindings_from_patterns(
answer.push((*symbol, *region));
}
}
IntLiteral(_)
NumLiteral(_, _)
| IntLiteral(_)
| FloatLiteral(_)
| StrLiteral(_)
| Underscore