diff options
Diffstat (limited to 'src/parse_tree.h')
| -rw-r--r-- | src/parse_tree.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/parse_tree.h b/src/parse_tree.h index 31344639..55bb9c1a 100644 --- a/src/parse_tree.h +++ b/src/parse_tree.h @@ -66,13 +66,17 @@ wcstring parse_dump_tree(const parse_node_tree_t &tree, const wcstring &src); wcstring token_type_description(parse_token_type_t type); wcstring keyword_description(parse_keyword_t type); +/* Node flags */ enum { /* Flag indicating that the node has associated comment nodes */ - parse_node_flag_has_comments = 1 << 0 + parse_node_flag_has_comments = 1 << 0, }; typedef uint8_t parse_node_flags_t; +/* Node-type specific tag value */ +typedef uint8_t parse_node_tag_t; + /** Class for nodes of a parse tree. Since there's a lot of these, the size and order of the fields is important. */ class parse_node_t { @@ -92,20 +96,23 @@ public: /* Number of children */ uint8_t child_count; - /* Which production was used */ - uint8_t production_idx; - /* Type of the node */ enum parse_token_type_t type; + + /* Keyword associated with node */ + enum parse_keyword_t keyword; /* Node flags */ parse_node_flags_t flags; + + /* This is used to store e.g. the statement decoration. */ + parse_node_tag_t tag; /* Description */ wcstring describe(void) const; /* Constructor */ - explicit parse_node_t(parse_token_type_t ty) : source_start(SOURCE_OFFSET_INVALID), source_length(0), parent(NODE_OFFSET_INVALID), child_start(0), child_count(0), production_idx(-1), type(ty), flags(0) + explicit parse_node_t(parse_token_type_t ty) : source_start(SOURCE_OFFSET_INVALID), source_length(0), parent(NODE_OFFSET_INVALID), child_start(0), child_count(0), type(ty), flags(0), tag(0) { } |