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fix: infer float context from division

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Valdemar Høgsvig Lorenzen
2026-10-22 11:51:48 +02:00
parent bbf39c16c5
commit bc318a29ad
4 changed files with 8 additions and 5 deletions
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@@ -20,6 +20,6 @@ name resolution (`@source/sema`) runs after parsing. it predeclares package name
type checking (`@source/sema/check`) runs after name resolution. `check.check` borrows the AST and binding table and returns owned per-node types; query with `check.type_of` and release with `check.deinit`. declarations infer their initializer types, including forward references and function aliases; function types identify the declaration supplying the callable signature. annotations must name builtin types; type names are not ordinary values. `void` is valid as a function result, not as a parameter or stored value.
numeric typing follows Bro's contextual rules within Honey's current `int` and `float` families. integer literals can adopt either family; float literals remain float. numeric demands propagate through arithmetic and inferred bindings before undemanded integers default to `int`. conflicting demands are errors; fixed `int` values do not implicitly convert to `float`. `+`, `-`, `*` and unary `-` require compatible numeric operands; `/` is float-only. `3 / 2` is invalid without float context, while `3.0 / 2` and `ratio float :: 3 / 2` are valid.
numeric typing follows contextual rules within Honey's current `int` and `float` families. integer literals can adopt either family; float literals remain float. numeric demands propagate through arithmetic and inferred bindings before undemanded integers default to `int`. conflicting demands are errors; fixed `int` values do not implicitly convert to `float`. `+`, `-`, `*` and unary `-` require compatible numeric operands; `/` requires and supplies float context. `3 / 2`, `3.0 / 2`, and `ratio float :: 3 / 2` are valid; division involving fixed `int` values requires explicit conversion.
type errors carry source spans and diagnostic identities; invalid operands propagate their existing identity without duplicate errors, while independent expressions and arguments are still checked. inference cycles without a type anchor are diagnosed. read-before-initialization and runtime initialization-cycle checks remain separate, unimplemented work. function signatures are checked independently of their bodies; since return statements are not yet parsed, nonvoid functions currently report missing-return diagnostics. lowering and executable generation remain unimplemented.