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parsing of align(N) on struct fields

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Tetralux
2019-08-22 20:41:33 +00:00
parent ec7d7a5b14
commit 3ec10ea174
5 changed files with 31 additions and 11 deletions
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8
src/parser.cpp
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@@ -782,24 +782,26 @@ static AstNode *ast_parse_var_decl(ParseContext *pc) {
return res;
}
// ContainerField <- IDENTIFIER (COLON TypeExpr)? (EQUAL Expr)?
// ContainerField <- IDENTIFIER (COLON TypeExpr ByteAlign?)? (EQUAL Expr)?
static AstNode *ast_parse_container_field(ParseContext *pc) {
Token *identifier = eat_token_if(pc, TokenIdSymbol);
if (identifier == nullptr)
return nullptr;
AstNode *type_expr = nullptr;
if (eat_token_if(pc, TokenIdColon) != nullptr)
if (eat_token_if(pc, TokenIdColon) != nullptr) {
type_expr = ast_expect(pc, ast_parse_type_expr);
}
AstNode *align_expr = ast_parse_byte_align(pc);
AstNode *expr = nullptr;
if (eat_token_if(pc, TokenIdEq) != nullptr)
expr = ast_expect(pc, ast_parse_expr);
AstNode *res = ast_create_node(pc, NodeTypeStructField, identifier);
res->data.struct_field.name = token_buf(identifier);
res->data.struct_field.type = type_expr;
res->data.struct_field.value = expr;
res->data.struct_field.align_expr = align_expr;
return res;
}