diff options
Diffstat (limited to 'dimension/directives.rules')
| -rw-r--r-- | dimension/directives.rules | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/dimension/directives.rules b/dimension/directives.rules index 392408d..5a30455 100644 --- a/dimension/directives.rules +++ b/dimension/directives.rules @@ -30,6 +30,18 @@ LANGUAGE_DIRECTIVE: "#declare" "identifier" "=" RVALUE { dmnsn_local_symbol(symtable, "__cond__", cond); dmnsn_delete_astnode(cond); } + | "#ifdef" "(" "identifier" ")" { + dmnsn_astnode *node = dmnsn_find_symbol(symtable, $3); + dmnsn_local_symbol(symtable, "__cond__", + dmnsn_new_ast_integer(node ? 1 : 0)); + free($3); + } + | "#ifndef" "(" "identifier" ")" { + dmnsn_astnode *node = dmnsn_find_symbol(symtable, $3); + dmnsn_local_symbol(symtable, "__cond__", + dmnsn_new_ast_integer(node ? 0 : 1)); + free($3); + } RVALUE: ARITH_EXPR ";" %dprec 2 { $$ = dmnsn_eval($1, symtable); |