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opaque keyword and type

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gingerBill
2018-11-11 17:08:30 +00:00
parent 620d5d34f7
commit b55b1ffe14
13 changed files with 177 additions and 5 deletions
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17
src/parser.cpp
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@@ -80,6 +80,7 @@ Token ast_token(Ast *node) {
case Ast_TypeidType: return node->TypeidType.token;
case Ast_HelperType: return node->HelperType.token;
case Ast_DistinctType: return node->DistinctType.token;
case Ast_OpaqueType: return node->OpaqueType.token;
case Ast_PolyType: return node->PolyType.token;
case Ast_ProcType: return node->ProcType.token;
case Ast_PointerType: return node->PointerType.token;
@@ -319,6 +320,9 @@ Ast *clone_ast(Ast *node) {
case Ast_DistinctType:
n->DistinctType.type = clone_ast(n->DistinctType.type);
break;
case Ast_OpaqueType:
n->OpaqueType.type = clone_ast(n->OpaqueType.type);
break;
case Ast_ProcType:
n->ProcType.params = clone_ast(n->ProcType.params);
n->ProcType.results = clone_ast(n->ProcType.results);
@@ -849,6 +853,13 @@ Ast *ast_distinct_type(AstFile *f, Token token, Ast *type) {
return result;
}
Ast *ast_opaque_type(AstFile *f, Token token, Ast *type) {
Ast *result = alloc_ast_node(f, Ast_OpaqueType);
result->OpaqueType.token = token;
result->OpaqueType.type = type;
return result;
}
Ast *ast_poly_type(AstFile *f, Token token, Ast *type, Ast *specialization) {
Ast *result = alloc_ast_node(f, Ast_PolyType);
result->PolyType.token = token;
@@ -1654,6 +1665,12 @@ Ast *parse_operand(AstFile *f, bool lhs) {
return ast_distinct_type(f, token, type);
}
case Token_opaque: {
Token token = expect_token(f, Token_opaque);
Ast *type = parse_type(f);
return ast_opaque_type(f, token, type);
}
case Token_Hash: {
Token token = expect_token(f, Token_Hash);
Token name = expect_token(f, Token_Ident);