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write out initial basic namespace parsing, without affecting anything

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This commit is contained in:
ryanfleury
2021-02-09 08:27:24 -07:00
parent 9253bd0de8
commit 47fe753411
2 changed files with 42 additions and 5 deletions
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source/md.h
+3
View File
@@ -294,6 +294,7 @@ typedef enum MD_NodeKind
{
MD_NodeKind_Nil,
MD_NodeKind_File,
MD_NodeKind_Namespace,
MD_NodeKind_Label,
MD_NodeKind_Tag,
MD_NodeKind_MAX,
@@ -485,6 +486,8 @@ struct MD_ParseCtx
MD_u8 *at;
MD_String8 filename;
MD_String8 file_contents;
MD_NodeTable namespace_table;
MD_Node *selected_namespace;
};
typedef struct MD_ParseResult MD_ParseResult;
source/md_impl.c
+39 -5
View File
@@ -642,6 +642,7 @@ MD_StringFromNodeKind(MD_NodeKind kind)
{
"Nil",
"File",
"Namespace",
"Label",
"Tag",
};
@@ -1420,13 +1421,46 @@ _MD_ParseOneNode(MD_ParseCtx *ctx)
MD_Node *last_tag = 0;
_MD_ParseTagList(ctx, &first_tag, &last_tag);
// NOTE(rjf): Unnamed Sets
MD_TokenGroups skip_groups = MD_TokenGroup_Whitespace|MD_TokenGroup_Comment;
MD_Token next_token = MD_Parse_PeekSkipSome(ctx, skip_groups);
if((MD_Parse_TokenMatch(next_token, MD_S8Lit("("), 0) ||
MD_Parse_TokenMatch(next_token, MD_S8Lit("{"), 0) ||
MD_Parse_TokenMatch(next_token, MD_S8Lit("["), 0)) &&
next_token.kind == MD_TokenKind_Symbol )
// NOTE(rjf): #-things (just namespaces right now, but can be used for other such
// 'directives' in the future maybe)
if(MD_Parse_Require(ctx, MD_S8Lit("#"), MD_TokenKind_Symbol))
{
// NOTE(rjf): Namespaces
if(MD_Parse_Require(ctx, MD_S8Lit("namespace"), MD_TokenKind_Identifier))
{
if(MD_Parse_RequireKind(ctx, MD_TokenKind_Identifier, &token))
{
MD_NodeTableSlot *existing_namespace_slot = MD_NodeTable_Lookup(&ctx->namespace_table, token.string);
if(existing_namespace_slot == 0)
{
MD_Node *ns = _MD_MakeNodeFromString_Ctx(ctx, MD_NodeKind_Namespace, token.string);
MD_NodeTable_Insert(&ctx->namespace_table, MD_NodeTableCollisionRule_Overwrite, token.string, ns);
}
ctx->selected_namespace = existing_namespace_slot->node;
goto end_parse;
}
else
{
ctx->selected_namespace = 0;
goto end_parse;
}
}
// NOTE(rjf): Not a valid hash thing
else
{
goto end_parse;
}
}
// NOTE(rjf): Unnamed Sets
else if((MD_Parse_TokenMatch(next_token, MD_S8Lit("("), 0) ||
MD_Parse_TokenMatch(next_token, MD_S8Lit("{"), 0) ||
MD_Parse_TokenMatch(next_token, MD_S8Lit("["), 0)) &&
next_token.kind == MD_TokenKind_Symbol )
{
result.node = _MD_MakeNodeFromString_Ctx(ctx, MD_NodeKind_Label, MD_S8Lit(""));
_MD_ParseSet(ctx, result.node,