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https://git.code.sf.net/p/quake/quakeforge
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detect re-declaring identifiers as different types (typedef, enum, var, etc)
This is an imperfect revision of history.
This commit is contained in:
Bill Currie
Jeff Teunissen
parent
a2e05dbe83
commit
fff41d664a
4 changed files with 78 additions and 72 deletions
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@ -48,6 +48,12 @@ typedef struct type_s {
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} s;
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} type_t;
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typedef struct typedef_s {
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struct typedef_s *next;
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const char *name;
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type_t *type;
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} typedef_t;
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extern type_t type_void;
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extern type_t type_string;
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extern type_t type_float;
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@ -86,7 +92,7 @@ struct dstring_s;
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type_t *new_type (void);
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type_t *find_type (type_t *new);
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void new_typedef (const char *name, type_t *type);
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type_t *get_typedef (const char *name);
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typedef_t *get_typedef (const char *name);
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type_t *field_type (type_t *aux);
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type_t *pointer_type (type_t *aux);
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type_t *array_type (type_t *aux, int size);
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@ -356,7 +356,7 @@ type_or_name (char *token)
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{
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static hashtab_t *keyword_tab;
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keyword_t *keyword;
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type_t *type;
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typedef_t *typename;
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class_t *class;
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if (!keyword_tab) {
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@ -378,9 +378,9 @@ type_or_name (char *token)
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if (token[0] == '@') {
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return '@';
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}
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if ((type = get_typedef (token))) {
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yylval.type = type;
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return TYPE;
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if ((typename = get_typedef (token))) {
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yylval.typename = typename;
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return TYPE_NAME;
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}
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if ((class = get_class (token, 0))) {
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yylval.string_val = save_string (token);
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@ -102,6 +102,7 @@ expr_t *argv_expr (void);
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struct def_s *def;
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struct hashtab_s *def_list;
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struct type_s *type;
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struct typedef_s *typename;
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struct expr_s *expr;
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int integer_val;
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float float_val;
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@ -148,6 +149,7 @@ expr_t *argv_expr (void);
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%token SWITCH CASE DEFAULT STRUCT UNION ENUM TYPEDEF SUPER SELF THIS
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%token ARGS ARGC ARGV EXTERN STATIC SYSTEM SIZEOF
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%token <type> TYPE
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%token <typename> TYPE_NAME
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%token CLASS DEFS ENCODE END IMPLEMENTATION INTERFACE PRIVATE PROTECTED
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%token PROTOCOL PUBLIC SELECTOR
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@ -167,8 +169,9 @@ expr_t *argv_expr (void);
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%type <function> begin_function
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%type <def_list> save_inits
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%type <switch_block> switch_block
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%type <string_val> identifier
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%type <string_val> selector reserved_word maybe_class
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%type <string_val> selector reserved_word
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%type <param> optparmlist unaryselector keyworddecl keywordselector
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%type <method> methodproto methoddecl
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%type <expr> obj_expr identifier_list obj_messageexpr obj_string receiver
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@ -216,17 +219,17 @@ def
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| storage_class simple_def { current_storage = st_global; }
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| storage_class '{' simple_defs '}' ';'
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{ current_storage = st_global; }
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| STRUCT NAME
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{ current_struct = new_struct ($2); } '=' '{' struct_defs '}' ';' { }
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| UNION NAME
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{ current_struct = new_union ($2); } '=' '{' struct_defs '}' ';' { }
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| STRUCT NAME ';' { decl_struct ($2); }
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| UNION NAME ';' { decl_union ($2); }
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| STRUCT identifier
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{ current_struct = new_struct ($2); } opt_eq '{' struct_defs '}' ';' { }
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| UNION identifier
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{ current_struct = new_union ($2); } opt_eq '{' struct_defs '}' ';' { }
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| STRUCT identifier ';' { decl_struct ($2); }
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| UNION identifier ';' { decl_union ($2); }
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| ENUM '{' enum_list opt_comma '}' ';'
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{ process_enum ($3); }
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| TYPEDEF type NAME ';'
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| TYPEDEF type identifier ';'
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{ new_typedef ($3, $2); }
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| TYPEDEF ENUM '{' enum_list opt_comma '}' NAME ';'
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| TYPEDEF ENUM '{' enum_list opt_comma '}' identifier ';'
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{
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process_enum ($4);
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new_typedef ($7, &type_integer);
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@ -294,7 +297,7 @@ storage_class
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struct_defs
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: /* empty */
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| struct_defs struct_def ';'
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| DEFS '(' maybe_class ')'
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| DEFS '(' identifier ')'
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{
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class_t *class = get_class ($3, 0);
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@ -324,8 +327,8 @@ enum_list
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;
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enum
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: NAME { $$ = new_name_expr ($1); }
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| NAME '=' fexpr
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: identifier { $$ = new_name_expr ($1); }
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| identifier '=' fexpr
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{
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$$ = 0;
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$3 = constant_expr ($3);
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@ -371,6 +374,7 @@ non_field_type
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type_name
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: TYPE { $$ = $1; }
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| TYPE_NAME { $$ = $1->type; }
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| CLASS_NAME
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{
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class_t *class = get_class ($1, 0);
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@ -380,8 +384,8 @@ type_name
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}
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$$ = class->type;
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}
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| STRUCT NAME { $$ = decl_struct ($2)->type; }
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| UNION NAME { $$ = decl_union ($2)->type; }
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| STRUCT identifier { $$ = decl_struct ($2)->type; }
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| UNION identifier { $$ = decl_union ($2)->type; }
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;
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function_decl
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@ -412,7 +416,7 @@ param_list
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;
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param
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: type NAME { $$ = new_param (0, $1, $2); }
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: type identifier { $$ = new_param (0, $1, $2); }
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;
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array_decl
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@ -434,7 +438,10 @@ struct_def_list
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;
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struct_def_item
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: NAME { new_struct_field (current_struct, $<type>0, $1, vis_public); }
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: identifier
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{
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new_struct_field (current_struct, $<type>0, $1, vis_public);
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}
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;
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def_list
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@ -498,7 +505,7 @@ code_func
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;
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def_name
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: NAME
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: identifier
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{
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if (current_scope->type == sc_local
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&& current_scope->parent->type == sc_params) {
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@ -1114,6 +1121,14 @@ string_val
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}
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;
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identifier
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: NAME
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| CLASS_NAME
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| TYPE_NAME { $$ = $1->name; }
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;
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// Objective-QC stuff
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obj_def
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: classdef { }
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| classdecl
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@ -1130,12 +1145,12 @@ obj_def
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;
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identifier_list
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: maybe_class
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: identifier
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{
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$$ = new_block_expr ();
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append_expr ($$, new_name_expr ($1));
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}
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| identifier_list ',' maybe_class
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| identifier_list ',' identifier
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{
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append_expr ($1, new_name_expr ($3));
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$$ = $1;
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@ -1151,13 +1166,8 @@ classdecl
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}
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;
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maybe_class
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: NAME
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| CLASS_NAME
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;
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class_name
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: maybe_class
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: identifier
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{
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$$ = get_class ($1, 0);
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if (!$$) {
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@ -1168,7 +1178,7 @@ class_name
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;
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new_class_name
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: maybe_class
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: identifier
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{
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$$ = get_class ($1, 1);
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if ($$->defined) {
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@ -1196,7 +1206,7 @@ new_class_with_super
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;
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category_name
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: maybe_class '(' maybe_class ')'
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: identifier '(' identifier ')'
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{
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$$ = get_category ($1, $3, 0);
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if (!$$) {
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@ -1207,7 +1217,7 @@ category_name
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;
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new_category_name
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: maybe_class '(' maybe_class ')'
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: identifier '(' identifier ')'
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{
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$$ = get_category ($1, $3, 1);
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if ($$->defined) {
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@ -1218,7 +1228,7 @@ new_category_name
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;
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protocol_name
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: maybe_class
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: identifier
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{
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$$ = get_protocol ($1, 0);
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if ($$) {
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@ -1281,12 +1291,11 @@ protocolrefs
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;
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protocol_list
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: maybe_class
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: identifier
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{
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$$ = new_block_expr ();
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append_expr ($$, new_name_expr ($1));
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$$ = add_protocol ($<protocol_list>0, $1);
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}
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| protocol_list ',' maybe_class
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| protocol_list ',' identifier
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{
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append_expr ($1, new_name_expr ($3));
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$$ = $1;
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@ -1332,7 +1341,7 @@ ivars
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;
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ivar_declarator
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: NAME
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: identifier
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{
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new_struct_field (current_ivars, $<type>0, $1, current_visibility);
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}
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@ -1436,8 +1445,10 @@ keywordselector
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;
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selector
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: maybe_class
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: NAME { $$ = save_string ($1); }
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| CLASS_NAME { $$ = save_string ($1); }
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| TYPE { $$ = save_string (yytext); }
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| TYPE_NAME { $$ = save_string ($1->name); }
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| reserved_word
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;
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@ -1463,20 +1474,20 @@ reserved_word
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;
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keyworddecl
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: selector ':' '(' type ')' NAME
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: selector ':' '(' type ')' identifier
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{ $$ = new_param ($1, $4, $6); }
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| selector ':' NAME
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| selector ':' identifier
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{ $$ = new_param ($1, &type_id, $3); }
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| ':' '(' type ')' NAME
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| ':' '(' type ')' identifier
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{ $$ = new_param ("", $3, $5); }
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| ':' NAME
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| ':' identifier
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{ $$ = new_param ("", &type_id, $2); }
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;
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obj_expr
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: obj_messageexpr
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| SELECTOR '(' selectorarg ')' { $$ = selector_expr ($3); }
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| PROTOCOL '(' maybe_class ')' { $$ = protocol_expr ($3); }
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| PROTOCOL '(' identifier ')' { $$ = protocol_expr ($3); }
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| ENCODE '(' type ')' { $$ = encode_expr ($3); }
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| obj_string /* FIXME string object? */
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;
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@ -57,12 +57,6 @@ static __attribute__ ((unused)) const char rcsid[] =
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#include "struct.h"
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#include "type.h"
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typedef struct typedef_s {
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struct typedef_s *next;
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const char *name;
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type_t *type;
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} typedef_t;
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// simple types. function types are dynamically allocated
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type_t type_void = { ev_void, "void" };
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type_t type_string = { ev_string, "string" };
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@ -192,17 +186,12 @@ new_typedef (const char *name, type_t *type)
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Hash_Add (typedef_hash, td);
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}
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type_t *
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typedef_t *
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get_typedef (const char *name)
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{
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typedef_t *td;
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if (!typedef_hash)
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return 0;
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td = Hash_Find (typedef_hash, name);
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if (!td)
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return 0;
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return td->type;
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return Hash_Find (typedef_hash, name);
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}
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type_t *
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