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Array destructuring for parameters

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This commit is contained in:
Andrew Morris
2023-02-27 17:50:39 +11:00
parent 2de3b8e650
commit 90a1610683
1 changed files with 23 additions and 2 deletions
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25
valuescript_compiler/src/function_compiler.rs
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@@ -259,6 +259,9 @@ impl FunctionCompiler {
match param_pat {
Pat::Ident(ident) => self.reg_allocator.allocate(&ident.id.sym.to_string()),
Pat::Assign(assign) => self.allocate_param_reg(&assign.left),
Pat::Array(_) => self
.reg_allocator
.allocate_numbered(&"_array_pat".to_string()),
_ => {
self.diagnostics.push(Diagnostic {
level: DiagnosticLevel::InternalError,
@@ -316,8 +319,6 @@ impl FunctionCompiler {
);
}
Pat::Assign(assign) => {
self.param_pat(&assign.left, register, scope);
let provided_reg = self.reg_allocator.allocate_numbered(&"_tmp".to_string());
let initialized_label = self
@@ -346,6 +347,26 @@ impl FunctionCompiler {
}
self.definition.push(format!("{}:", initialized_label));
self.param_pat(&assign.left, register, scope);
}
Pat::Array(array) => {
for (i, elem_opt) in array.elems.iter().enumerate() {
let elem = match elem_opt {
Some(elem) => elem,
None => continue,
};
let elem_reg = self.allocate_param_reg(elem);
self
.definition
.push(format!(" sub %{} {} %{}", register, i, elem_reg));
self.param_pat(elem, &elem_reg, scope);
}
self.reg_allocator.release(register);
}
_ => {
// Diagnostic emitted elsewhere