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IR: re-organize where state goes to prepare for generics

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* Rip out legacy code for generics
 * put scope in instruction instead of AST nodes
 * separate top level decl stuff from AST nodes
   - remove the assumption that there is a 1:1 correspondence
     between an output instruction and an AST node
   - This way we won't have to clone AST nodes for generics.
This commit is contained in:
Andrew Kelley
2016-12-01 23:25:09 -05:00
parent f6cbb73c74
commit 2f259b8176
10 changed files with 1508 additions and 1899 deletions
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15
src/parser.cpp
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@@ -1501,7 +1501,7 @@ static AstNode *ast_parse_variable_declaration_expr(ParseContext *pc, size_t *to
node->data.variable_declaration.is_inline = is_inline;
node->data.variable_declaration.is_const = is_const;
node->data.variable_declaration.top_level_decl.visib_mod = visib_mod;
node->data.variable_declaration.visib_mod = visib_mod;
Token *name_token = ast_eat_token(pc, token_index, TokenIdSymbol);
node->data.variable_declaration.symbol = token_buf(name_token);
@@ -2079,7 +2079,7 @@ static AstNode *ast_parse_fn_proto(ParseContext *pc, size_t *token_index, bool m
}
AstNode *node = ast_create_node(pc, NodeTypeFnProto, fn_token);
node->data.fn_proto.top_level_decl.visib_mod = visib_mod;
node->data.fn_proto.visib_mod = visib_mod;
node->data.fn_proto.is_coldcc = is_coldcc;
node->data.fn_proto.is_nakedcc = is_nakedcc;
@@ -2144,6 +2144,7 @@ static AstNode *ast_parse_fn_def(ParseContext *pc, size_t *token_index, bool man
AstNode *node = ast_create_node(pc, NodeTypeFnDef, first_token);
node->data.fn_def.fn_proto = fn_proto;
node->data.fn_def.body = ast_parse_block(pc, token_index, true);
fn_proto->data.fn_proto.fn_def_node = node;
return node;
}
@@ -2193,7 +2194,7 @@ static AstNode *ast_parse_use(ParseContext *pc, size_t *token_index, VisibMod vi
*token_index += 1;
AstNode *node = ast_create_node(pc, NodeTypeUse, use_kw);
node->data.use.top_level_decl.visib_mod = visib_mod;
node->data.use.visib_mod = visib_mod;
node->data.use.expr = ast_parse_expression(pc, token_index, true);
ast_eat_token(pc, token_index, TokenIdSemicolon);
@@ -2227,7 +2228,7 @@ static AstNode *ast_parse_container_decl(ParseContext *pc, size_t *token_index,
AstNode *node = ast_create_node(pc, NodeTypeContainerDecl, first_token);
node->data.struct_decl.kind = kind;
node->data.struct_decl.name = token_buf(struct_name);
node->data.struct_decl.top_level_decl.visib_mod = visib_mod;
node->data.struct_decl.visib_mod = visib_mod;
Token *paren_or_brace = &pc->tokens->at(*token_index);
if (paren_or_brace->id == TokenIdLParen) {
@@ -2281,7 +2282,7 @@ static AstNode *ast_parse_container_decl(ParseContext *pc, size_t *token_index,
AstNode *field_node = ast_create_node(pc, NodeTypeStructField, token);
*token_index += 1;
field_node->data.struct_field.top_level_decl.visib_mod = visib_mod;
field_node->data.struct_field.visib_mod = visib_mod;
field_node->data.struct_field.name = token_buf(token);
Token *expr_or_comma = &pc->tokens->at(*token_index);
@@ -2318,7 +2319,7 @@ static AstNode *ast_parse_error_value_decl(ParseContext *pc, size_t *token_index
ast_eat_token(pc, token_index, TokenIdSemicolon);
AstNode *node = ast_create_node(pc, NodeTypeErrorValueDecl, first_token);
node->data.error_value_decl.top_level_decl.visib_mod = visib_mod;
node->data.error_value_decl.visib_mod = visib_mod;
node->data.error_value_decl.name = token_buf(name_tok);
return node;
@@ -2344,7 +2345,7 @@ static AstNode *ast_parse_type_decl(ParseContext *pc, size_t *token_index, Visib
ast_eat_token(pc, token_index, TokenIdSemicolon);
node->data.type_decl.top_level_decl.visib_mod = visib_mod;
node->data.type_decl.visib_mod = visib_mod;
return node;
}