motiejus/zig
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add the anyframe and anyframe->T types

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This commit is contained in:
Andrew Kelley
2019-07-26 19:52:35 -04:00
parent 018a89c7a1
commit ee64a22045
19 changed files with 337 additions and 50 deletions
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22
src/parser.cpp
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@@ -282,6 +282,9 @@ static AstNode *ast_parse_prefix_op_expr(
case NodeTypeAwaitExpr:
right = &prefix->data.await_expr.expr;
break;
case NodeTypeAnyFrameType:
right = &prefix->data.anyframe_type.payload_type;
break;
case NodeTypeArrayType:
right = &prefix->data.array_type.child_type;
break;
@@ -1640,6 +1643,10 @@ static AstNode *ast_parse_primary_type_expr(ParseContext *pc) {
if (null != nullptr)
return ast_create_node(pc, NodeTypeNullLiteral, null);
Token *anyframe = eat_token_if(pc, TokenIdKeywordAnyFrame);
if (anyframe != nullptr)
return ast_create_node(pc, NodeTypeAnyFrameType, anyframe);
Token *true_token = eat_token_if(pc, TokenIdKeywordTrue);
if (true_token != nullptr) {
AstNode *res = ast_create_node(pc, NodeTypeBoolLiteral, true_token);
@@ -2510,7 +2517,7 @@ static AstNode *ast_parse_prefix_op(ParseContext *pc) {
// PrefixTypeOp
// <- QUESTIONMARK
// / KEYWORD_promise MINUSRARROW
// / KEYWORD_anyframe MINUSRARROW
// / ArrayTypeStart (ByteAlign / KEYWORD_const / KEYWORD_volatile)*
// / PtrTypeStart (KEYWORD_align LPAREN Expr (COLON INTEGER COLON INTEGER)? RPAREN / KEYWORD_const / KEYWORD_volatile)*
static AstNode *ast_parse_prefix_type_op(ParseContext *pc) {
@@ -2521,6 +2528,16 @@ static AstNode *ast_parse_prefix_type_op(ParseContext *pc) {
return res;
}
Token *anyframe = eat_token_if(pc, TokenIdKeywordAnyFrame);
if (anyframe != nullptr) {
if (eat_token_if(pc, TokenIdArrow) != nullptr) {
AstNode *res = ast_create_node(pc, NodeTypeAnyFrameType, anyframe);
return res;
}
put_back_token(pc);
}
AstNode *array = ast_parse_array_type_start(pc);
if (array != nullptr) {
assert(array->type == NodeTypeArrayType);
@@ -3005,6 +3022,9 @@ void ast_visit_node_children(AstNode *node, void (*visit)(AstNode **, void *cont
case NodeTypeInferredArrayType:
visit_field(&node->data.array_type.child_type, visit, context);
break;
case NodeTypeAnyFrameType:
visit_field(&node->data.anyframe_type.payload_type, visit, context);
break;
case NodeTypeErrorType:
// none
break;