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finished basic traits

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This commit is contained in:
Andrew Segavac
2021-09-25 11:45:31 -06:00
parent 223b36080b
commit 44df5f1980
12 changed files with 1116 additions and 1208 deletions
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15
src/grammar.lalrpop
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@@ -25,7 +25,9 @@ match {
"if",
"else",
"=",
"for",
"type",
"trait",
"struct",
"impl",
",",
@@ -208,13 +210,24 @@ pub AliasTypeDeclaration: ast::AliasTypeDeclaration = {
"type" <i:SpannedIdentifier> "=" <t:TypeUsage> ";" => ast::AliasTypeDeclaration{name: i, replaces: t}
};
pub TraitItem: ast::TraitItem = {
<fd:FunctionDeclaration> ";" => ast::TraitItem::FunctionDeclaration(fd),
<f:Function> => ast::TraitItem::Function(f),
};
pub TraitTypeDeclaration: ast::TraitTypeDeclaration = {
"type" <i:SpannedIdentifier> "trait" "{" <ti:TraitItem*> "}" => ast::TraitTypeDeclaration{name: i, functions: ti},
};
pub TypeDeclaration: ast::TypeDeclaration = {
<s:StructTypeDeclaration> => ast::TypeDeclaration::Struct(s),
<a:AliasTypeDeclaration> => ast::TypeDeclaration::Alias(a),
<t:TraitTypeDeclaration> => ast::TypeDeclaration::Trait(t),
};
pub Impl: ast::Impl = {
"impl" <i:SpannedIdentifier> "{" <f:Function*> "}" => ast::Impl{struct_name: i, functions: f}
"impl" <i:SpannedIdentifier> "{" <f:Function*> "}" => ast::Impl{trait_: None, struct_name: i, functions: f},
"impl" <t:SpannedIdentifier> "for" <i:SpannedIdentifier> "{" <f:Function*> "}" => ast::Impl{trait_: Some(t), struct_name: i, functions: f},
};
pub ModuleItem: ast::ModuleItem = {