treewide: refactor internal AST structures

 - unify operand and value tag structures
 - use a contiguous array for storing opcodes
 - use relative offsets for next and children ops
 - defer function creation to runtime
 - rework "this" context handling by storing context pointer in scope tags

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/lexer.h b/lexer.h
index 7a5726b..4d46ad0 100644
--- a/lexer.h
+++ b/lexer.h
@@ -29,7 +29,7 @@ extern const char *tokennames[__T_MAX];
 bool
 utf8enc(char **out, int *rem, int code);
 
-struct ut_opcode *
+uint32_t
 ut_get_token(struct ut_state *s, const char *input, int *mlen);
 
 #endif /* __LEXER_H_ */