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Document some Expression, EntryPoint, and Module rules.

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Jim Blandy 2021-09-07 11:14:42 -07:00 committed by Dzmitry Malyshau
parent 636b8ed606
commit 8aae069f22
1 changed files with 8 additions and 0 deletions
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8
src/lib.rs
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@ -1451,6 +1451,9 @@ pub struct Function {
/// Local variables defined and used in the function.
pub local_variables: Arena<LocalVariable>,
/// Expressions used inside this function.
///
/// An `Expression` must occur before all other `Expression`s that use its
/// value.
pub expressions: Arena<Expression>,
/// Map of expressions that have associated variable names
pub named_expressions: NamedExpressions,
@ -1503,6 +1506,8 @@ pub struct Function {
#[cfg_attr(feature = "deserialize", derive(Deserialize))]
pub struct EntryPoint {
/// Name of this entry point, visible externally.
///
/// Entry point names for a given `stage` must be distinct within a module.
pub name: String,
/// Shader stage.
pub stage: ShaderStage,
@ -1536,6 +1541,9 @@ pub struct Module {
/// Storage for the global variables defined in this module.
pub global_variables: Arena<GlobalVariable>,
/// Storage for the functions defined in this module.
///
/// Each function must appear in this arena strictly before all its callers.
/// Recursion is not supported.
pub functions: Arena<Function>,
/// Entry points.
pub entry_points: Vec<EntryPoint>,