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A comment/note/hint about how to deal with not-yet declared things later in past-0.2

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Wolfgang (Blub) Bumiller 2012-10-31 18:55:03 +01:00
parent 951c37cc71
commit 90419eb13c
1 changed files with 10 additions and 0 deletions
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10
ast.h
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@ -100,6 +100,16 @@ typedef bool ast_expression_codegen(ast_expression*,
ast_function*,
bool lvalue,
ir_value**);
/* TODO: the codegen function should take an output-type parameter
* indicating whether a variable, type, label etc. is expected, and
* an environment!
* Then later an ast_ident could have a codegen using this to figure
* out what to look for.
* eg. in code which uses a not-yet defined variable, the expression
* would take an ast_ident, and the codegen would be called with
* type `expression`, so the ast_ident's codegen would search for
* variables through the environment (or functions, constants...).
*/
typedef struct
{
ast_node_common node;