git.m6w6.name Git - m6w6/ext-psi/blob - src/parser_proc_grammar.y

   1 %code top {
   2 #include "php_psi_stdinc.h"
   3 }
   4
   5 %code {
   6 #include <assert.h>
   7 #include <stdarg.h>
   8
   9 #include "plist.h"
  10 #include "parser.h"
  11 #define YYDEBUG 1
  12
  13 static int psi_parser_proc_lex(YYSTYPE *u, struct psi_parser *P, struct psi_plist *tokens, size_t *index);
  14 static void psi_parser_proc_error(struct psi_parser *P, struct psi_plist *tokens, size_t *index, const char *msg);
  15
  16 static inline void psi_parser_proc_add_struct(struct psi_parser *P, struct psi_decl_struct *strct)
  17 {
  18         assert(strct);
  19         if (!P->structs) {
  20                 P->structs = psi_plist_init((psi_plist_dtor) psi_decl_struct_free);
  21         }
  22         P->structs = psi_plist_add(P->structs, &strct);
  23 }
  24 static inline void psi_parser_proc_add_union(struct psi_parser *P, struct psi_decl_union *u)
  25 {
  26         assert(u);
  27         if (!P->unions) {
  28                 P->unions = psi_plist_init((psi_plist_dtor) psi_decl_union_free);
  29         }
  30         P->unions = psi_plist_add(P->unions, &u);
  31 }
  32 static inline void psi_parser_proc_add_enum(struct psi_parser *P, struct psi_decl_enum *e)
  33 {
  34         assert(e);
  35         if (!P->enums) {
  36                 P->enums = psi_plist_init((psi_plist_dtor) psi_decl_enum_free);
  37         }
  38         P->enums = psi_plist_add(P->enums, &e);
  39 }
  40 static inline void psi_parser_proc_add_from_typedef(struct psi_parser *P, struct psi_decl_arg *def)
  41 {
  42         if (def->type->real.def) {
  43                 switch (def->type->type) {
  44                 case PSI_T_STRUCT:
  45                         psi_parser_proc_add_struct(P, def->type->real.strct);
  46                         break;
  47                 case PSI_T_UNION:
  48                         psi_parser_proc_add_union(P, def->type->real.unn);
  49                         break;
  50                 case PSI_T_ENUM:
  51                         psi_parser_proc_add_enum(P, def->type->real.enm);
  52                         break;
  53                 default:
  54                         break;
  55                 }
  56         }
  57 }
  58 static inline void psi_parser_proc_add_typedef(struct psi_parser *P, struct psi_decl_arg *def)
  59 {
  60         assert(def);
  61         if (!P->types) {
  62                 P->types = psi_plist_init((psi_plist_dtor) psi_decl_arg_free);
  63         }
  64         P->types = psi_plist_add(P->types, &def);
  65         psi_parser_proc_add_from_typedef(P, def);
  66 }
  67 static inline void psi_parser_proc_add_const(struct psi_parser *P, struct psi_const *cnst) {
  68         assert(cnst);
  69         if (!P->consts) {
  70                 P->consts = psi_plist_init((psi_plist_dtor) psi_const_free);
  71         }
  72         P->consts = psi_plist_add(P->consts, &cnst);
  73
  74 }
  75 static inline void psi_parser_proc_add_decl(struct psi_parser *P, struct psi_decl *decl) {
  76         assert(decl);
  77         if (!P->decls) {
  78                 P->decls = psi_plist_init((psi_plist_dtor) psi_decl_free);
  79         }
  80         P->decls = psi_plist_add(P->decls, &decl);
  81 }
  82 static inline void psi_parser_proc_add_impl(struct psi_parser *P, struct psi_impl *impl) {
  83         assert(impl);
  84         if (!P->impls) {
  85                 P->impls = psi_plist_init((psi_plist_dtor) psi_impl_free);
  86         }
  87         P->impls = psi_plist_add(P->impls, &impl);
  88 }
  89
  90 /* end code */
  91 }
  92
  93 %code requires {
  94 #include "plist.h"
  95 #include "types/layout.h"
  96
  97 struct psi_parser;
  98
  99 }
 100
 101 %require "3.0"
 102 %language "c"
 103 %name-prefix "psi_parser_proc_"
 104 %token-table
 105 %verbose
 106 %glr-parser
 107
 108 %param {struct psi_parser *P} {struct psi_plist *tokens} {size_t *index}
 109
 110 %define api.pure true
 111 %define api.token.prefix {PSI_T_}
 112 %define api.value.type union
 113
 114 %define parse.error verbose
 115 %define parse.trace true
 116
 117 %initial-action {
 118 }
 119
 120 %start file
 121
 122 %token <struct psi_token *> BOOL
 123 %token <struct psi_token *> CHAR
 124 %token <struct psi_token *> SHORT
 125 %token <struct psi_token *> INT
 126 %token <struct psi_token *> SIGNED
 127 %token <struct psi_token *> UNSIGNED
 128 %token <struct psi_token *> LONG
 129 %token <struct psi_token *> FLOAT
 130 %token <struct psi_token *> DOUBLE
 131 %token <struct psi_token *> STRING
 132 %token <struct psi_token *> MIXED
 133 %token <struct psi_token *> ARRAY
 134 %token <struct psi_token *> OBJECT
 135 %token <struct psi_token *> CALLABLE
 136 %token <struct psi_token *> VOID
 137 %token <struct psi_token *> ZVAL
 138 %token <struct psi_token *> INT8
 139 %token <struct psi_token *> UINT8
 140 %token <struct psi_token *> INT16
 141 %token <struct psi_token *> UINT16
 142 %token <struct psi_token *> INT32
 143 %token <struct psi_token *> UINT32
 144 %token <struct psi_token *> INT64
 145 %token <struct psi_token *> UINT64
 146 %token <struct psi_token *> NULL
 147 %token <struct psi_token *> TRUE
 148 %token <struct psi_token *> FALSE
 149 %token <struct psi_token *> NAME
 150 %token <struct psi_token *> NSNAME
 151 %token <struct psi_token *> DOLLAR_NAME
 152 %token <struct psi_token *> NUMBER
 153 %token <struct psi_token *> QUOTED_STRING
 154 %token <struct psi_token *> QUOTED_CHAR
 155
 156 %token <struct psi_token *> EOF 0               "end of file"
 157 %token <struct psi_token *> EOL                 "end of line"
 158 %token <struct psi_token *> EOS                 ";"
 159 %token <struct psi_token *> LPAREN              "("
 160 %token <struct psi_token *> RPAREN              ")"
 161 %token <struct psi_token *> COMMA               ","
 162 %token <struct psi_token *> COLON               ":"
 163 %token <struct psi_token *> LBRACE              "{"
 164 %token <struct psi_token *> RBRACE              "}"
 165 %token <struct psi_token *> LBRACKET    "["
 166 %token <struct psi_token *> RBRACKET    "]"
 167 %token <struct psi_token *> EQUALS              "="
 168 %token <struct psi_token *> HASH                "#"
 169 %token <struct psi_token *> PIPE                "|"
 170 %token <struct psi_token *> CARET               "^"
 171 %token <struct psi_token *> AMPERSAND   "&"
 172 %token <struct psi_token *> LSHIFT              "<<"
 173 %token <struct psi_token *> RSHIFT              ">>"
 174 %token <struct psi_token *> PLUS                "+"
 175 %token <struct psi_token *> MINUS               "-"
 176 %token <struct psi_token *> ASTERISK    "*"
 177 %token <struct psi_token *> SLASH               "/"
 178 %token <struct psi_token *> MODULO              "%"
 179 %token <struct psi_token *> LCHEVR              "<"
 180 %token <struct psi_token *> RCHEVR              ">"
 181 %token <struct psi_token *> CMP_GE              ">="
 182 %token <struct psi_token *> CMP_LE              "<="
 183 %token <struct psi_token *> OR                  "||"
 184 %token <struct psi_token *> AND                 "&&"
 185 %token <struct psi_token *> CMP_EQ              "=="
 186 %token <struct psi_token *> CMP_NE              "!="
 187 %token <struct psi_token *> TILDE               "~"
 188 %token <struct psi_token *> NOT                 "!"
 189 %token <struct psi_token *> PERIOD              "."
 190 %token <struct psi_token *> BACKSLASH   "\\"
 191 %token <struct psi_token *> ELLIPSIS    "..."
 192 %token <struct psi_token *> IIF                 "?"
 193
 194 %token <struct psi_token *> PRAGMA
 195 %token <struct psi_token *> PRAGMA_ONCE
 196 %token <struct psi_token *> LINE
 197 %token <struct psi_token *> ERROR
 198 %token <struct psi_token *> WARNING
 199 %token <struct psi_token *> IF
 200 %token <struct psi_token *> IFDEF
 201 %token <struct psi_token *> IFNDEF
 202 %token <struct psi_token *> ELSE
 203 %token <struct psi_token *> ELIF
 204 %token <struct psi_token *> ENDIF
 205 %token <struct psi_token *> DEFINE
 206 %token <struct psi_token *> DEFINED
 207 %token <struct psi_token *> UNDEF
 208 %token <struct psi_token *> IMPORT
 209 %token <struct psi_token *> INCLUDE
 210 %token <struct psi_token *> INCLUDE_NEXT
 211
 212 %token <struct psi_token *> TYPEDEF
 213 %token <struct psi_token *> STRUCT
 214 %token <struct psi_token *> UNION
 215 %token <struct psi_token *> ENUM
 216 %token <struct psi_token *> CONST
 217 %token <struct psi_token *> LIB
 218 %token <struct psi_token *> STATIC
 219 %token <struct psi_token *> CALLBACK
 220 %token <struct psi_token *> FUNCTION
 221 %token <struct psi_token *> LET
 222 %token <struct psi_token *> SET
 223 %token <struct psi_token *> TEMP
 224 %token <struct psi_token *> FREE
 225 %token <struct psi_token *> RETURN
 226 %token <struct psi_token *> PRE_ASSERT
 227 %token <struct psi_token *> POST_ASSERT
 228 %token <struct psi_token *> BOOLVAL
 229 %token <struct psi_token *> INTVAL
 230 %token <struct psi_token *> STRVAL
 231 %token <struct psi_token *> PATHVAL
 232 %token <struct psi_token *> STRLEN
 233 %token <struct psi_token *> FLOATVAL
 234 %token <struct psi_token *> ARRVAL
 235 %token <struct psi_token *> OBJVAL
 236 %token <struct psi_token *> COUNT
 237 %token <struct psi_token *> CALLOC
 238 %token <struct psi_token *> TO_BOOL
 239 %token <struct psi_token *> TO_INT
 240 %token <struct psi_token *> TO_STRING
 241 %token <struct psi_token *> TO_FLOAT
 242 %token <struct psi_token *> TO_ARRAY
 243 %token <struct psi_token *> TO_OBJECT
 244
 245 %token <struct psi_token *> COMMENT
 246 %token <struct psi_token *> WHITESPACE
 247 %token <struct psi_token *> NO_WHITESPACE
 248 %token <struct psi_token *> CPP_HEADER
 249 %token <struct psi_token *> CPP_ATTRIBUTE
 250 %token <struct psi_token *> CPP_EXTENSION
 251 %token <struct psi_token *> CPP_PASTE
 252 %token <struct psi_token *> CPP_RESTRICT
 253 %token <struct psi_token *> CPP_ASM
 254
 255 %precedence IIF COLON
 256 %precedence OR
 257 %precedence AND
 258 %precedence PIPE
 259 %precedence CARET
 260 %precedence AMPERSAND
 261 %precedence CMP_EQ CMP_NE
 262 %precedence LCHEVR CMP_LE RCHEVR CMP_GE
 263 %precedence LSHIFT RSHIFT
 264 %precedence PLUS MINUS
 265 %precedence ASTERISK SLASH MODULO
 266 //%precedence NOT TILDE
 267 %precedence BINARY
 268 %precedence UNARY
 269
 270 %type           <struct psi_token *>                            lib optional_name enum_name struct_name union_name
 271 %destructor     {psi_token_free(&$$);}                          lib optional_name enum_name struct_name union_name
 272
 273 %type           <struct psi_token *>                            cpp_message_token cpp_include_token cpp_header_token cpp_no_arg_token cpp_name_arg_token cpp_exp_arg_token cpp_special_name_token
 274 %destructor     {}                                                                      cpp_message_token cpp_include_token cpp_header_token cpp_no_arg_token cpp_name_arg_token cpp_exp_arg_token cpp_special_name_token
 275
 276 %type           <struct psi_token *>                            name_token any_noeol_token binary_op_token unary_op_token
 277 %destructor     {}                                                                      name_token any_noeol_token binary_op_token unary_op_token
 278
 279 %type           <struct psi_token *>                            int_width int_width_types int_signed_types
 280 %destructor     {psi_token_free(&$$);}                          int_width int_width_types int_signed_types
 281
 282 %type           <struct psi_token *>                            signed_long_types signed_short_types int_signed
 283 %destructor     {}                                                                      signed_long_types signed_short_types int_signed
 284
 285 %type           <struct psi_cpp_exp *>                          cpp cpp_exp
 286 %destructor     {psi_cpp_exp_free(&$$);}                        cpp cpp_exp
 287 %type           <struct psi_cpp_macro_decl *>           cpp_macro_decl
 288 %destructor     {psi_cpp_macro_decl_free(&$$);}         cpp_macro_decl
 289 %type           <struct psi_plist *>                            cpp_macro_sig cpp_macro_sig_args cpp_macro_decl_tokens cpp_macro_decl_token_list cpp_macro_call_args cpp_macro_call_arg_list
 290 %destructor {psi_plist_free($$);}                               cpp_macro_sig cpp_macro_sig_args cpp_macro_decl_tokens cpp_macro_decl_token_list cpp_macro_call_args cpp_macro_call_arg_list
 291 %type           <struct psi_num_exp *>                          cpp_macro_exp
 292 %destructor     {psi_num_exp_free(&$$);}                        cpp_macro_exp
 293
 294 %type           <struct psi_token *>                            constant_type_token impl_def_val_token
 295 %destructor     {}                                                                      constant_type_token impl_def_val_token
 296
 297 %type           <struct psi_const *>                            constant
 298 %destructor     {psi_const_free(&$$);}                          constant
 299 %type           <struct psi_const_type *>                       constant_type
 300 %destructor     {psi_const_type_free(&$$);}                     constant_type
 301 %type           <struct psi_impl_def_val *>                     impl_def_val
 302 %destructor     {psi_impl_def_val_free(&$$);}           impl_def_val
 303
 304 %type           <struct psi_token *>                            decl_real_type decl_int_type decl_type_simple
 305 %destructor     {psi_token_free(&$$);}                          decl_real_type decl_int_type decl_type_simple
 306
 307 %type           <struct psi_token *>                            decl_stdint_type
 308 %destructor     {}                                                                      decl_stdint_type
 309
 310 %type           <struct psi_decl_type *>                        decl_type const_decl_type decl_type_complex
 311 %destructor     {psi_decl_type_free(&$$);}                      decl_type const_decl_type decl_type_complex
 312 %type           <struct psi_decl *>                                     decl_stmt decl decl_body decl_func_body decl_functor_body
 313 %destructor     {psi_decl_free(&$$);}                           decl_stmt decl decl_body decl_func_body decl_functor_body
 314 %type           <struct psi_decl_arg *>                         decl_typedef decl_func decl_functor decl_arg decl_anon_arg typedef
 315 %destructor     {psi_decl_arg_free(&$$);}                       decl_typedef decl_func decl_functor decl_arg decl_anon_arg typedef
 316 %type           <struct psi_decl_var *>                         decl_var
 317 %destructor     {psi_decl_var_free(&$$);}                       decl_var
 318 %type           <struct psi_decl_struct *>                      decl_struct
 319 %destructor     {psi_decl_struct_free(&$$);}            decl_struct
 320 %type           <struct psi_decl_union *>                       decl_union
 321 %destructor     {psi_decl_union_free(&$$);}                     decl_union
 322 %type           <struct psi_decl_enum *>                        decl_enum
 323 %destructor     {psi_decl_enum_free(&$$);}                      decl_enum
 324 %type           <struct psi_decl_enum_item *>           decl_enum_item
 325 %destructor     {psi_decl_enum_item_free(&$$);}         decl_enum_item
 326 %type           <struct psi_plist *>                            decl_args decl_struct_args struct_args_block struct_args struct_arg_var_list decl_enum_items decl_vars decl_vars_with_layout
 327 %destructor     {psi_plist_free($$);}                           decl_args decl_struct_args struct_args_block struct_args struct_arg_var_list decl_enum_items decl_vars decl_vars_with_layout
 328
 329 %type           <struct psi_layout>                                     align_and_size
 330 %destructor     {}                                                                      align_and_size
 331 %type           <struct psi_layout *>                           decl_layout
 332 %destructor     {psi_layout_free(&$$);}                         decl_layout
 333
 334 %type           <struct psi_impl *>                                     impl
 335 %destructor     {psi_impl_free(&$$);}                           impl
 336 %type           <struct psi_impl_func *>                        impl_func
 337 %destructor     {psi_impl_func_free(&$$);}                      impl_func
 338 %type           <struct psi_impl_arg *>                         impl_arg
 339 %destructor     {psi_impl_arg_free(&$$);}                       impl_arg
 340 %type           <struct psi_impl_type *>                        impl_type
 341 %destructor     {psi_impl_type_free(&$$);}                      impl_type
 342 %type           <struct psi_impl_var *>                         impl_var
 343 %destructor     {psi_impl_var_free(&$$);}                       impl_var
 344
 345 %type           <struct psi_let_stmt *>                         let_stmt
 346 %destructor     {psi_let_stmt_free(&$$);}                       let_stmt
 347 %type           <struct psi_let_exp *>                          let_exp let_exp_byref let_exp_assign
 348 %destructor     {psi_let_exp_free(&$$);}                        let_exp let_exp_byref let_exp_assign
 349 %type           <struct psi_let_calloc *>                       let_calloc
 350 %destructor     {psi_let_calloc_free(&$$);}                     let_calloc
 351 %type           <struct psi_let_callback *>                     let_callback
 352 %destructor     {psi_let_callback_free(&$$);}           let_callback
 353 %type           <struct psi_let_func *>                         let_func
 354 %destructor     {psi_let_func_free(&$$);}                       let_func
 355 %type           <struct psi_set_stmt *>                         set_stmt
 356 %destructor     {psi_set_stmt_free(&$$);}                       set_stmt
 357 %type           <struct psi_set_exp *>                          set_exp
 358 %destructor     {psi_set_exp_free(&$$);}                        set_exp
 359 %type           <struct psi_set_func *>                         set_func
 360 %destructor     {psi_set_func_free(&$$);}                       set_func
 361 %type           <struct psi_assert_stmt *>                      assert_stmt
 362 %destructor     {psi_assert_stmt_free(&$$);}            assert_stmt
 363 %type           <struct psi_return_stmt *>                      return_stmt
 364 %destructor     {psi_return_stmt_free(&$$);}            return_stmt
 365 %type           <struct psi_free_stmt *>                        free_stmt
 366 %destructor     {psi_free_stmt_free(&$$);}                      free_stmt
 367 %type           <struct psi_free_exp *>                         free_exp
 368 %destructor     {psi_free_exp_free(&$$);}                       free_exp
 369
 370 %type           <struct psi_token **>                           impl_stmt
 371 %destructor     {psi_impl_stmt_free(&$$);}                      impl_stmt
 372 %type           <struct psi_token *>                            impl_type_token callback_rval let_func_token set_func_token assert_stmt_token
 373 %destructor     {psi_token_free(&$$);}                          impl_type_token callback_rval let_func_token set_func_token assert_stmt_token
 374 %type           <struct psi_plist *>                            impl_args impl_stmts let_exps let_func_exps callback_arg_list callback_args set_exps set_func_exps free_exps
 375 %destructor     {psi_plist_free($$);}                           impl_args impl_stmts let_exps let_func_exps callback_arg_list callback_args set_exps set_func_exps free_exps
 376
 377 %type           <struct psi_num_exp *>                          num_exp
 378 %destructor     {psi_num_exp_free(&$$);}                        num_exp
 379 %type           <struct psi_number *>                           number
 380 %destructor     {psi_number_free(&$$);}                         number
 381
 382 %type           <size_t>                                                        indirection pointers asterisks array_size
 383 %destructor     {}                                                                      indirection pointers asterisks array_size
 384 %type           <bool>                                                          reference
 385 %destructor     {}                                                                      reference
 386
 387 %%
 388
 389 /* rules */
 390
 391
 392 binary_op_token: PIPE | CARET | AMPERSAND | LSHIFT | RSHIFT | PLUS | MINUS | ASTERISK | SLASH | MODULO | RCHEVR | LCHEVR | CMP_GE | CMP_LE | OR | AND | CMP_EQ | CMP_NE ;
 393 unary_op_token: TILDE | NOT | PLUS | MINUS ;
 394 name_token: NAME | FUNCTION | TEMP | FREE | SET | LET | CALLOC | CALLBACK | LIB | BOOL | STRING | ERROR | WARNING | LINE | PRAGMA_ONCE | PRAGMA | let_func_token | set_func_token;
 395 any_noeol_token: BOOL | CHAR | SHORT | INT | SIGNED | UNSIGNED | LONG | FLOAT | DOUBLE | STRING | MIXED | ARRAY | OBJECT | CALLABLE | VOID | ZVAL | INT8 | UINT8 | INT16 | UINT16 | INT32 | UINT32 | INT64 | UINT64 | NULL | TRUE | FALSE | NAME | NSNAME | DOLLAR_NAME | NUMBER | QUOTED_STRING | QUOTED_CHAR | EOF | EOS | LPAREN | RPAREN | COMMA | COLON | LBRACE | RBRACE | LBRACKET | RBRACKET | EQUALS | HASH | PIPE | CARET | AMPERSAND | LSHIFT | RSHIFT | PLUS | MINUS | ASTERISK | SLASH | MODULO | LCHEVR | RCHEVR | CMP_GE | CMP_LE | OR | AND | CMP_EQ | CMP_NE | TILDE | NOT | PERIOD | BACKSLASH | ELLIPSIS | ERROR | WARNING | LINE | PRAGMA | PRAGMA_ONCE | IIF | IF | IFDEF | IFNDEF | ELSE | ELIF | ENDIF | DEFINE | DEFINED | UNDEF | INCLUDE | TYPEDEF | STRUCT | UNION | ENUM | CONST | LIB | STATIC | CALLBACK | FUNCTION | LET | SET | TEMP | FREE | RETURN | PRE_ASSERT | POST_ASSERT | BOOLVAL | INTVAL | STRVAL | PATHVAL | STRLEN | FLOATVAL | ARRVAL | OBJVAL | COUNT | CALLOC | TO_BOOL | TO_INT | TO_STRING | TO_FLOAT | TO_ARRAY | TO_OBJECT | COMMENT | CPP_HEADER | CPP_PASTE | CPP_RESTRICT | CPP_EXTENSION | CPP_ASM;
 396
 397
 398 file:
 399         %empty
 400 |       blocks
 401 ;
 402 blocks:
 403         block
 404 |       blocks block
 405 ;
 406 block:
 407         EOS
 408 |       EOL
 409 |       COMMENT
 410 |       cpp {
 411         if ($cpp) {
 412                 psi_cpp_exp_exec($cpp, P->preproc, PSI_DATA(P));
 413                 psi_cpp_exp_free(&$cpp);
 414         }
 415 }
 416 |       lib {
 417         if (P->file.ln) {
 418                 P->error(PSI_DATA(P), $lib, PSI_WARNING,
 419                                 "Extra 'lib \"%s\"' statement has no effect", $lib->text);
 420         } else {
 421                 P->file.ln = strndup($lib->text, $lib->size);
 422         }
 423 }
 424 |       constant {
 425         psi_parser_proc_add_const(P, $constant);
 426 }
 427 |       decl_stmt {
 428         psi_parser_proc_add_decl(P, $decl_stmt);
 429 }
 430 |       decl_ext_var_stmt
 431 |       decl_typedef[def] {
 432         psi_parser_proc_add_typedef(P, $def);
 433 }
 434 |       decl_struct[struct] {
 435         psi_parser_proc_add_struct(P, $struct);
 436 }
 437 |       decl_union[union] {
 438         psi_parser_proc_add_union(P, $union);
 439 }
 440 |       decl_enum[enum] {
 441         psi_parser_proc_add_enum(P, $enum);
 442 }
 443 |       impl {
 444         psi_parser_proc_add_impl(P, $impl);
 445 }
 446 ;
 447
 448 lib:
 449         LIB QUOTED_STRING EOS {
 450         $lib = $QUOTED_STRING;
 451 }
 452 ;
 453
 454 cpp:
 455         HASH EOL {
 456         $cpp = NULL;
 457 }
 458 |       HASH cpp_exp[exp] EOL {
 459         $cpp = $exp;
 460 }
 461 ;
 462
 463 cpp_exp[exp]:
 464         cpp_message_token cpp_macro_decl_tokens[tokens] {
 465         if ($tokens) {
 466                 struct psi_token *msg = NULL;
 467
 468                 if (psi_plist_get($tokens, 0, &msg)) {
 469                         size_t index = 1;
 470                         struct psi_token *next;
 471
 472                         msg = psi_token_copy(msg);
 473                         while (psi_plist_get($tokens, index++, &next)) {
 474                                 struct psi_token *old = msg;
 475                                 msg = psi_token_cat(" ", 2, msg, next);
 476                                 free(old);
 477                         }
 478                 }
 479                 psi_plist_free($tokens);
 480
 481                 $exp = psi_cpp_exp_init($cpp_message_token->type, msg);
 482         } else {
 483                 $exp = psi_cpp_exp_init($cpp_message_token->type, NULL);
 484         }
 485         $exp->token = psi_token_copy($cpp_message_token);
 486 }
 487 |       cpp_include_token[INCLUDE] cpp_header_token {
 488         $exp = psi_cpp_exp_init($INCLUDE->type, psi_token_copy($cpp_header_token));
 489         $exp->token = psi_token_copy($INCLUDE);
 490 }
 491 |       cpp_no_arg_token {
 492         $exp = psi_cpp_exp_init($cpp_no_arg_token->type, NULL);
 493         $exp->token = psi_token_copy($cpp_no_arg_token);
 494 }
 495 |       cpp_name_arg_token cpp_special_name_token[name_token] {
 496         $name_token->type = PSI_T_NAME;
 497         $exp = psi_cpp_exp_init($cpp_name_arg_token->type, psi_token_copy($name_token));
 498         $exp->token = psi_token_copy($cpp_name_arg_token);
 499 }
 500 |       DEFINE cpp_macro_decl {
 501         $exp = psi_cpp_exp_init($DEFINE->type, $cpp_macro_decl);
 502         $exp->token = psi_token_copy($DEFINE);
 503 }
 504 |       cpp_exp_arg_token cpp_macro_exp {
 505         $exp = psi_cpp_exp_init($cpp_exp_arg_token->type, $cpp_macro_exp);
 506         $exp->token = psi_token_copy($cpp_exp_arg_token);
 507 }
 508 |       PRAGMA_ONCE {
 509         $exp = psi_cpp_exp_init($PRAGMA_ONCE->type, NULL);
 510         $exp->token = psi_token_copy($PRAGMA_ONCE);
 511 }
 512 |       cpp_ignored_token cpp_macro_decl_tokens[tokens] {
 513         psi_plist_free($tokens);
 514         $exp = NULL;
 515 }
 516 ;
 517
 518 cpp_ignored_token:
 519         LINE
 520 |       PRAGMA
 521 ;
 522
 523 cpp_message_token:
 524         ERROR
 525 |       WARNING
 526 ;
 527
 528 cpp_include_token:
 529         IMPORT
 530 |       INCLUDE
 531 |       INCLUDE_NEXT
 532 ;
 533
 534 cpp_header_token:
 535         QUOTED_STRING
 536 |       CPP_HEADER
 537 ;
 538
 539 cpp_no_arg_token:
 540         ELSE
 541 |       ENDIF
 542 ;
 543
 544 cpp_name_arg_token:
 545         IFDEF
 546 |       IFNDEF
 547 |       UNDEF
 548 ;
 549
 550 cpp_exp_arg_token:
 551         IF
 552 |       ELIF
 553 ;
 554
 555 cpp_special_name_token:
 556         name_token
 557 |       NULL
 558 |       TRUE
 559 |       FALSE
 560 |       CPP_RESTRICT
 561 |       CPP_EXTENSION
 562 ;
 563
 564 cpp_macro_decl[macro]:
 565         name_token NO_WHITESPACE LPAREN cpp_macro_sig RPAREN cpp_macro_decl_tokens {
 566         $name_token->type = PSI_T_NAME;
 567         $macro = psi_cpp_macro_decl_init($cpp_macro_sig, $cpp_macro_decl_tokens, NULL);
 568         $macro->token = psi_token_copy($name_token);
 569 }
 570 |       cpp_special_name_token[name_token] cpp_macro_decl_tokens {
 571         $name_token->type = PSI_T_NAME;
 572         $macro = psi_cpp_macro_decl_init(NULL, $cpp_macro_decl_tokens, NULL);
 573         $macro->token = psi_token_copy($name_token);
 574 }
 575 ;
 576
 577 cpp_macro_sig[sig]:
 578         %empty {
 579         $sig = psi_plist_init(NULL);
 580 }
 581 |       cpp_macro_sig_args
 582 ;
 583
 584 cpp_macro_sig_args[args]:
 585         name_token {
 586         $name_token = psi_token_copy($name_token);
 587         $name_token->type = PSI_T_NAME;
 588         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_token_free), &$name_token);
 589 }
 590 |       cpp_macro_sig_args[args_] COMMA name_token {
 591         $name_token = psi_token_copy($name_token);
 592         $name_token->type = PSI_T_NAME;
 593         $args = psi_plist_add($args_, &$name_token);
 594 }
 595 ;
 596
 597 cpp_macro_decl_tokens[tokens]:
 598         %empty {
 599         $tokens = NULL;
 600 }
 601 | cpp_macro_decl_token_list
 602 ;
 603
 604 cpp_macro_decl_token_list[tokens]:
 605         any_noeol_token[token] {
 606         $token = psi_token_copy($token);
 607         $tokens = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_token_free), &$token);
 608 }
 609 |       cpp_macro_decl_token_list[tokens_] any_noeol_token[token] {
 610         $token = psi_token_copy($token);
 611         $tokens = psi_plist_add($tokens_, &$token);
 612 }
 613 ;
 614
 615 cpp_macro_exp[exp]:
 616         LPAREN cpp_macro_exp[exp_] RPAREN {
 617         $exp = psi_num_exp_init_unary($LPAREN->type, $exp_);
 618         $exp->token = psi_token_copy($LPAREN);
 619 }
 620 |       unary_op_token cpp_macro_exp[exp_] %prec UNARY {
 621         $exp = psi_num_exp_init_unary($unary_op_token->type, $exp_);
 622         $exp->token = psi_token_copy($unary_op_token);
 623 }
 624 |       cpp_macro_exp[lhs] binary_op_token cpp_macro_exp[rhs] %prec BINARY {
 625         $exp = psi_num_exp_init_binary($binary_op_token->type, $lhs, $rhs);
 626         $exp->token = psi_token_copy($binary_op_token);
 627 }
 628 |       cpp_macro_exp[cond] IIF cpp_macro_exp[truthy] COLON cpp_macro_exp[falsy] {
 629         $exp = psi_num_exp_init_ternary($IIF->type, $cond, $truthy, $falsy);
 630         $exp->token = psi_token_copy($IIF);
 631 }
 632
 633 |       DEFINED name_token {
 634         {
 635                 uint8_t exists;
 636
 637                 $name_token->type = PSI_T_NAME;
 638                 exists = psi_cpp_defined(P->preproc, $name_token);
 639                 $exp = psi_num_exp_init_num(psi_number_init(PSI_T_UINT8, &exists, 0));
 640                 $exp->token = psi_token_copy($name_token);
 641         }
 642 }
 643 |       DEFINED LPAREN name_token RPAREN {
 644         {
 645                 uint8_t exists;
 646
 647                 $name_token->type = PSI_T_NAME;
 648                 exists = psi_cpp_defined(P->preproc, $name_token);
 649                 $exp = psi_num_exp_init_num(psi_number_init(PSI_T_UINT8, &exists, 0));
 650                 $exp->token = psi_token_copy($name_token);
 651         }
 652 }
 653 |       NUMBER {
 654         $exp = psi_num_exp_init_num(psi_number_init($NUMBER->type, $NUMBER->text, $NUMBER->flags));
 655         $exp->token = psi_token_copy($NUMBER);
 656         $exp->data.n->token = psi_token_copy($NUMBER);
 657 }
 658 |       QUOTED_CHAR {
 659         $exp = psi_num_exp_init_num(psi_number_init($QUOTED_CHAR->type, $QUOTED_CHAR->text, 0));
 660         $exp->token = psi_token_copy($QUOTED_CHAR);
 661         $exp->data.n->token = psi_token_copy($QUOTED_CHAR);
 662 }
 663 |       name_token {
 664         $name_token->type = PSI_T_NAME;
 665         $exp = psi_num_exp_init_num(psi_number_init(PSI_T_DEFINE, $name_token->text, 0));
 666         $exp->token = psi_token_copy($name_token);
 667         $exp->data.n->token = psi_token_copy($name_token);
 668 }
 669 |       name_token LPAREN cpp_macro_call_args RPAREN {
 670         $name_token->type = PSI_T_NAME;
 671         $exp = psi_num_exp_init_num(psi_number_init(PSI_T_FUNCTION,
 672                 psi_cpp_macro_call_init($name_token->text, $cpp_macro_call_args), 0));
 673         $exp->token = psi_token_copy($name_token);
 674 }
 675 ;
 676
 677 cpp_macro_call_args[args]:
 678         %empty {
 679         $args = NULL;
 680 }
 681 |       cpp_macro_call_arg_list
 682 ;
 683
 684 cpp_macro_call_arg_list[args]:
 685         cpp_macro_exp {
 686         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_num_exp_free),
 687                 &$cpp_macro_exp);
 688 }
 689 |       cpp_macro_call_arg_list[args_] COMMA cpp_macro_exp {
 690         $args = psi_plist_add($args_, &$cpp_macro_exp);
 691 }
 692 ;
 693
 694 constant[const]:
 695         CONST constant_type NSNAME EQUALS impl_def_val EOS {
 696         $const = psi_const_init($constant_type, $NSNAME->text, $impl_def_val);
 697         $const->token = psi_token_copy($NSNAME);
 698 }
 699 ;
 700
 701 constant_type[type]:
 702         constant_type_token[token] {
 703         $type = psi_const_type_init($token->type, $token->text);
 704 }
 705 ;
 706
 707 constant_type_token:
 708         BOOL
 709 |       INT
 710 |       FLOAT
 711 |       STRING
 712 ;
 713
 714 impl_def_val[val]:
 715         %empty {
 716         $val = NULL;
 717 }
 718 |       num_exp[num] {
 719         if (psi_num_exp_validate(PSI_DATA(P), $num, NULL, NULL, NULL, NULL, NULL)) {
 720                 impl_val res = {0};
 721                 token_t type = psi_num_exp_exec($num, &res, NULL, &P->preproc->defs);
 722
 723                 if (type == PSI_T_FLOAT || type == PSI_T_DOUBLE) {
 724                         $val = psi_impl_def_val_init(type, NULL);
 725                 } else {
 726                         $val = psi_impl_def_val_init(PSI_T_INT, NULL);
 727                 }
 728
 729                 switch (type) {
 730                 case PSI_T_UINT8:       $val->ival.zend.lval = res.u8;  break;
 731                 case PSI_T_UINT16:      $val->ival.zend.lval = res.u16; break;
 732                 case PSI_T_UINT32:      $val->ival.zend.lval = res.u32; break;
 733                 case PSI_T_UINT64:      $val->ival.zend.lval = res.u64; break; /* FIXME */
 734                 case PSI_T_INT8:        $val->ival.zend.lval = res.i8;  break;
 735                 case PSI_T_INT16:       $val->ival.zend.lval = res.i16; break;
 736                 case PSI_T_INT32:       $val->ival.zend.lval = res.i32; break;
 737                 case PSI_T_INT64:       $val->ival.zend.lval = res.i64; break;
 738                 case PSI_T_FLOAT:       $val->ival.dval = res.fval;             break;
 739                 case PSI_T_DOUBLE:      $val->ival.dval = res.dval;             break;
 740                 default:
 741                         assert(0);
 742
 743                 }
 744         } else {
 745                 $val = NULL;
 746         }
 747         psi_num_exp_free(&$num);
 748 }
 749 |       impl_def_val_token[token] {
 750         $val = psi_impl_def_val_init($token->type, $token->text);
 751         $val->token = psi_token_copy($token);
 752 }
 753 ;
 754
 755 impl_def_val_token:
 756         NULL
 757 |       TRUE
 758 |       FALSE
 759 |       QUOTED_STRING
 760 ;
 761
 762 decl_typedef[def]:
 763         TYPEDEF typedef[def_] EOS {
 764         $def = $def_;
 765 }
 766 |       CPP_EXTENSION TYPEDEF typedef[def_] EOS {
 767         $def = $def_;
 768 }
 769 ;
 770
 771 typedef[def]:
 772         decl_arg
 773 |       decl_func_body[decl] {
 774         $def = psi_decl_arg_init(
 775                 psi_decl_type_init(PSI_T_FUNCTION, $decl->func->var->name),
 776                 psi_decl_var_copy($decl->func->var)
 777         );
 778         $def->type->token = psi_token_copy($decl->func->token);
 779         $def->type->real.func = $decl;
 780 }
 781 |       decl_enum[enum] name_token {
 782         $name_token->type = PSI_T_NAME;
 783         $def = psi_decl_arg_init(
 784                 psi_decl_type_init(PSI_T_ENUM, $enum->name),
 785                 psi_decl_var_init($name_token->text, 0, 0)
 786         );
 787         $def->var->token = psi_token_copy($name_token);
 788         $def->type->token = psi_token_copy($enum->token);
 789         $def->type->real.enm = $enum;
 790 }
 791 |       struct_name[struct] align_and_size[as] struct_args_block[args] decl_var[var] {
 792         $def = psi_decl_arg_init(psi_decl_type_init(PSI_T_STRUCT, $struct->text), $var);
 793         $def->type->token = $struct;
 794         $def->type->real.strct = psi_decl_struct_init($struct->text, $args);
 795         $def->type->real.strct->token = psi_token_copy($struct);
 796         $def->type->real.strct->align = $as.pos;
 797         $def->type->real.strct->size = $as.len;
 798 }
 799 |       union_name[union] align_and_size[as] struct_args_block[args] decl_var[var] {
 800         $def = psi_decl_arg_init(psi_decl_type_init(PSI_T_UNION, $union->text), $var);
 801         $def->type->token = $union;
 802         $def->type->real.unn = psi_decl_union_init($union->text, $args);
 803         $def->type->real.unn->token = psi_token_copy($union);
 804         $def->type->real.unn->align = $as.pos;
 805         $def->type->real.unn->size = $as.len;
 806 }
 807 |       const_decl_type[type] decl_stdint_type[stdint] {
 808         $stdint->type = PSI_T_NAME;
 809         $def = psi_decl_arg_init($type, psi_decl_var_init($stdint->text, 0, 0));
 810         $def->var->token = psi_token_copy($stdint);
 811 }
 812 ;
 813
 814 const_decl_type[type]:
 815         CONST decl_type[type_] {
 816         $type = $type_;
 817 }
 818 |       decl_type
 819 ;
 820
 821 decl_type[type]:
 822         decl_type_simple[token] {
 823         $type = psi_decl_type_init($token->type, $token->text);
 824         $type->token = $token;
 825 }
 826 |       decl_type_complex
 827 ;
 828
 829 decl_type_complex[type]:
 830         STRUCT[token] name_token {
 831         $name_token->type = PSI_T_NAME;
 832         $type = psi_decl_type_init($token->type, $name_token->text);
 833         $type->token = psi_token_copy($name_token);
 834 }
 835 |       UNION[token] name_token {
 836         $name_token->type = PSI_T_NAME;
 837         $type = psi_decl_type_init($token->type, $name_token->text);
 838         $type->token = psi_token_copy($name_token);
 839 }
 840 |       ENUM[token] name_token {
 841         $name_token->type = PSI_T_NAME;
 842         $type = psi_decl_type_init($token->type, $name_token->text);
 843         $type->token = psi_token_copy($name_token);
 844 }
 845 ;
 846
 847 decl_type_simple[type]:
 848         decl_int_type
 849 |       decl_real_type
 850 |       decl_stdint_type[type_] {
 851         $type = psi_token_copy($type_);
 852 }
 853 |       NAME[type_] {
 854         $type = psi_token_copy($type_);
 855 }
 856 ;
 857
 858 decl_real_type[type]:
 859         FLOAT[type_] {
 860         $type = psi_token_copy($type_);
 861 }
 862 |       DOUBLE[type_] {
 863         $type = psi_token_copy($type_);
 864 }
 865 |       LONG DOUBLE {
 866         $type = psi_token_cat(" ", 2, $LONG, $DOUBLE);
 867 }
 868 ;
 869
 870 decl_stdint_type[type]:
 871         INT8
 872 |       UINT8
 873 |       INT16
 874 |       UINT16
 875 |       INT32
 876 |       UINT32
 877 |       INT64
 878 |       UINT64
 879 ;
 880
 881 int_signed[i]:
 882         SIGNED
 883 |       UNSIGNED
 884 ;
 885
 886 int_width[i]:
 887         SHORT {
 888         $i = psi_token_copy($SHORT);
 889 }
 890 |       LONG {
 891         $i = psi_token_copy($LONG);
 892 }
 893 |       LONG[l1] LONG[l2] {
 894         $i = psi_token_cat(" ", 2, $l1, $l2);
 895 }
 896 ;
 897
 898 decl_int_type[type]:
 899         CHAR {
 900         $type = psi_token_copy($CHAR);
 901 }
 902 |       INT {
 903         $type = psi_token_copy($INT);
 904 }
 905 |       int_signed int_signed_types {
 906         if ($2) {
 907                 $type = psi_token_cat(" ", 2, $1, $2);
 908                 free($2);
 909         } else {
 910                 $type = psi_token_copy($1);
 911         }
 912 }
 913 |       int_width int_width_types {
 914         if ($2) {
 915                 $type = psi_token_cat(" ", 2, $1, $2);
 916                 free($1);
 917                 free($2);
 918         } else {
 919                 $type = $1;
 920         }
 921 }
 922 ;
 923
 924 int_signed_types[type]:
 925         %empty {
 926         $type = NULL;
 927 }
 928 |       CHAR {
 929         $type = psi_token_copy($CHAR);
 930 }
 931 |       SHORT signed_short_types {
 932         if ($2) {
 933                 $type = psi_token_cat(" ", 2, $1, $2);
 934         } else {
 935                 $type = psi_token_copy($1);
 936         }
 937 }
 938 |       INT {
 939         $type = psi_token_copy($INT);
 940 }
 941 |       LONG signed_long_types {
 942         if ($2) {
 943                 $type = psi_token_cat(" ", 2, $1, $2);
 944         } else {
 945                 $type = psi_token_copy($1);
 946         }
 947 }
 948 ;
 949
 950 signed_short_types[type]:
 951         %empty {
 952         $type = NULL;
 953 }
 954 |       INT
 955 ;
 956 signed_long_types[type]:
 957         %empty {
 958         $type = NULL;
 959 }
 960 |       INT
 961 |       LONG
 962 ;
 963
 964 int_width_types[type]:
 965         %empty {
 966         $type = NULL;
 967 }
 968 |       INT {
 969         $type = psi_token_copy($INT);
 970 }
 971 |       int_signed int_signed_types {
 972         if ($2) {
 973                 $type = psi_token_cat(" ", 2, $1, $2);
 974                 free($2);
 975         } else {
 976                 $type = psi_token_copy($1);
 977         }
 978 }
 979 ;
 980
 981 decl_stmt:
 982         decl decl_asm EOS {
 983         $decl_stmt = $decl;
 984 }
 985 |       CPP_EXTENSION decl decl_asm EOS {
 986         $decl_stmt = $decl;
 987 }
 988 ;
 989
 990 decl_asm:
 991         %empty
 992 |       CPP_ASM LPAREN ignored_quoted_strings RPAREN
 993 ;
 994
 995 ignored_quoted_strings:
 996         QUOTED_STRING
 997 |       ignored_quoted_strings QUOTED_STRING
 998 ;
 999
1000 decl_ext_var_stmt:
1001         decl_ext_var EOS
1002 ;
1003
1004 decl_ext_var:
1005         NAME decl_arg decl_ext_var_list {
1006         psi_decl_arg_free(&$decl_arg);
1007 }
1008 ;
1009
1010 decl_ext_var_list:
1011         %empty
1012 |       COMMA decl_vars {
1013         psi_plist_free($decl_vars);
1014 }
1015 ;
1016
1017 decl_vars[vars]:
1018         decl_var[var] {
1019         $vars = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_var_free), &$var);
1020 }
1021 |       decl_vars[vars_] COMMA decl_var[var] {
1022         $vars = psi_plist_add($vars_, &$var);
1023 }
1024 ;
1025
1026 decl:
1027         decl_body
1028 |       NAME[abi] decl_body {
1029         $decl = $decl_body;
1030         $decl->abi = psi_decl_abi_init($abi->text);
1031 }
1032 ;
1033
1034 decl_body:
1035         decl_func_body
1036 |       decl_functor_body
1037 ;
1038
1039 decl_func_body[decl]:
1040         decl_func[func] LPAREN decl_args[args] RPAREN array_size[as] {
1041         $decl = psi_decl_init($func, $args);
1042         if ($as) {
1043                 $decl->func->var->pointer_level += 1;
1044                 $decl->func->var->array_size = $as;
1045         }
1046 }
1047 |       decl_func[func] LPAREN decl_args[args] COMMA ELLIPSIS RPAREN array_size[as] {
1048         $decl = psi_decl_init($func, $args);
1049         $decl->varargs = 1;
1050         if ($as) {
1051                 $decl->func->var->pointer_level += 1;
1052                 $decl->func->var->array_size = $as;
1053         }
1054 }
1055 ;
1056
1057 decl_functor_body[decl]:
1058         decl_functor[func] LPAREN decl_args[args] RPAREN array_size[as] {
1059         $decl = psi_decl_init($func, $args);
1060         if ($as) {
1061                 $decl->func->var->pointer_level += 1;
1062                 $decl->func->var->array_size = $as;
1063         }
1064 }
1065 |       decl_functor[func] LPAREN decl_args[args] COMMA ELLIPSIS RPAREN array_size[as] {
1066         $decl = psi_decl_init($func, $args);
1067         $decl->varargs = 1;
1068         if ($as) {
1069                 $decl->func->var->pointer_level += 1;
1070                 $decl->func->var->array_size = $as;
1071         }
1072 }
1073 ;
1074
1075 decl_functor[arg]:
1076         const_decl_type[type] indirection[i] LPAREN indirection[unused1] name_token[NAME] RPAREN {
1077         (void) $unused1;
1078         $NAME->type = PSI_T_NAME;
1079         $arg = psi_decl_arg_init($type, psi_decl_var_init($NAME->text, $i, 0));
1080         $arg->var->token = psi_token_copy($NAME);
1081         $arg->token = psi_token_copy($NAME);
1082 }
1083 |       CONST VOID pointers LPAREN indirection[unused1] name_token[NAME] RPAREN {
1084         (void) $unused1;
1085         $NAME->type = PSI_T_NAME;
1086         $arg = psi_decl_arg_init(
1087                 psi_decl_type_init($VOID->type, $VOID->text),
1088                 psi_decl_var_init($NAME->text, $pointers, 0)
1089         );
1090         $arg->type->token = psi_token_copy($VOID);
1091         $arg->var->token = psi_token_copy($NAME);
1092         $arg->token = psi_token_copy($NAME);
1093 }
1094 |       VOID pointers LPAREN indirection[unused1] name_token[NAME] RPAREN {
1095         (void) $unused1;
1096         $NAME->type = PSI_T_NAME;
1097         $arg = psi_decl_arg_init(
1098                 psi_decl_type_init($VOID->type, $VOID->text),
1099                 psi_decl_var_init($NAME->text, $pointers, 0)
1100         );
1101         $arg->type->token = psi_token_copy($VOID);
1102         $arg->var->token = psi_token_copy($NAME);
1103         $arg->token = psi_token_copy($NAME);
1104 }
1105 |       VOID LPAREN indirection[unused1] name_token[NAME] RPAREN {
1106         (void) $unused1;
1107         $NAME->type = PSI_T_NAME;
1108         $arg = psi_decl_arg_init(
1109                 psi_decl_type_init($VOID->type, $VOID->text),
1110                 psi_decl_var_init($NAME->text, 0, 0)
1111         );
1112         $arg->type->token = psi_token_copy($VOID);
1113         $arg->var->token = psi_token_copy($NAME);
1114         $arg->token = psi_token_copy($NAME);
1115 }
1116 ;
1117
1118 decl_func[func]:
1119         decl_arg
1120 |       VOID name_token[NAME] {
1121         $func = psi_decl_arg_init(
1122                 psi_decl_type_init($VOID->type, $VOID->text),
1123                 psi_decl_var_init($NAME->text, 0, 0)
1124         );
1125         $func->type->token = psi_token_copy($VOID);
1126         $func->var->token = psi_token_copy($NAME);
1127         $func->token = psi_token_copy($NAME);
1128 }
1129 ;
1130
1131 decl_args[args]:
1132         %empty {
1133         $args = NULL;
1134 }
1135 |       VOID {
1136         $args = NULL;
1137 }
1138 |       decl_anon_arg[arg] {
1139         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &$arg);
1140 }
1141 |       decl_args[args_] COMMA decl_anon_arg[arg] {
1142         $args = psi_plist_add($args_, &$arg);
1143 }
1144 ;
1145
1146 decl_anon_arg[arg]:
1147 /* FIXME decl_functor_body_anon */
1148         decl_arg {
1149         $arg = $decl_arg;
1150 }
1151 |       const_decl_type[type] indirection {
1152         $arg = psi_decl_arg_init(
1153                 $type,
1154                 psi_decl_var_init(NULL, $indirection, 0)
1155         );
1156 }
1157 |       CONST VOID pointers {
1158         $arg = psi_decl_arg_init(
1159                 psi_decl_type_init($VOID->type, $VOID->text),
1160                 psi_decl_var_init(NULL, $pointers, 0)
1161         );
1162         $arg->type->token = psi_token_copy($VOID);
1163         $arg->var->token = psi_token_copy($VOID);
1164         $arg->token = psi_token_copy($VOID);
1165 }
1166 |       VOID pointers {
1167         $arg = psi_decl_arg_init(
1168                 psi_decl_type_init($VOID->type, $VOID->text),
1169                 psi_decl_var_init(NULL, $pointers, 0)
1170         );
1171         $arg->type->token = psi_token_copy($VOID);
1172         $arg->var->token = psi_token_copy($VOID);
1173         $arg->token = psi_token_copy($VOID);
1174 }
1175 ;
1176
1177 decl_arg[arg]:
1178         decl_functor_body[decl] {
1179         $arg = psi_decl_arg_init(
1180                 psi_decl_type_init(PSI_T_FUNCTION, $decl->func->var->name),
1181                 psi_decl_var_copy($decl->func->var)
1182         );
1183         $arg->type->token = psi_token_copy($decl->func->token);
1184         $arg->type->real.func = $decl;
1185 }
1186 |       const_decl_type[type] decl_var[var] {
1187         $arg = psi_decl_arg_init($type, $var);
1188 }
1189 |       CONST VOID pointers name_token[NAME] {
1190         $NAME->type = PSI_T_NAME;
1191         $arg = psi_decl_arg_init(
1192                 psi_decl_type_init($VOID->type, $VOID->text),
1193                 psi_decl_var_init($NAME->text, $pointers, 0)
1194         );
1195         $arg->type->token = psi_token_copy($VOID);
1196         $arg->var->token = psi_token_copy($NAME);
1197         $arg->token = psi_token_copy($NAME);
1198 }
1199 |       VOID pointers name_token[NAME] {
1200         $NAME->type = PSI_T_NAME;
1201         $arg = psi_decl_arg_init(
1202                 psi_decl_type_init($VOID->type, $VOID->text),
1203                 psi_decl_var_init($NAME->text, $pointers, 0)
1204         );
1205         $arg->type->token = psi_token_copy($VOID);
1206         $arg->var->token = psi_token_copy($NAME);
1207         $arg->token = psi_token_copy($NAME);
1208 }
1209 ;
1210
1211 decl_var[var]:
1212         pointers name_token array_size {
1213         $name_token->type = PSI_T_NAME;
1214         $var = psi_decl_var_init($name_token->text, $pointers + !! $array_size, $array_size);
1215         $var->token = psi_token_copy($name_token);
1216 }
1217 |       name_token array_size {
1218         $name_token->type = PSI_T_NAME;
1219         $var = psi_decl_var_init($name_token->text, !! $array_size, $array_size);
1220         $var->token = psi_token_copy($name_token);
1221 }
1222 ;
1223
1224 decl_union[union]:
1225         UNION name_token align_and_size[as] decl_struct_args[args] {
1226         $name_token->type = PSI_T_NAME;
1227         $union = psi_decl_union_init($name_token->text, $args);
1228         $union->align = $as.pos;
1229         $union->size = $as.len;
1230         $union->token = psi_token_copy($name_token);
1231 }
1232 ;
1233
1234 decl_struct[struct]:
1235         STRUCT name_token align_and_size[as] decl_struct_args[args] {
1236         $name_token->type = PSI_T_NAME;
1237         $struct = psi_decl_struct_init($name_token->text, $args);
1238         $struct->align = $as.pos;
1239         $struct->size = $as.len;
1240         $struct->token = psi_token_copy($name_token);
1241 }
1242 ;
1243
1244 decl_struct_args[args]:
1245         EOS {
1246         $args = NULL;
1247 }
1248 |       struct_args_block
1249 ;
1250
1251 struct_args_block[args]:
1252         LBRACE struct_args RBRACE {
1253         $args = $struct_args;
1254 }
1255 ;
1256
1257 struct_args[args]:
1258         typedef[arg] decl_layout[layout] struct_arg_var_list[vars] EOS {
1259         $arg->layout = $layout;
1260         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &$arg);
1261         if ($vars) {
1262                 size_t i = 0;
1263                 struct psi_decl_arg *arg;
1264
1265                 while (psi_plist_get($vars, i++, &arg)) {
1266                         arg->type = psi_decl_type_copy($arg->type);
1267                         $args = psi_plist_add($args, &arg);
1268                 }
1269                 free($vars);
1270         }
1271 }
1272 |       struct_args[args_] typedef[arg] decl_layout[layout] struct_arg_var_list[vars] EOS {
1273         $arg->layout = $layout;
1274         $args = psi_plist_add($args_, &$arg);
1275         if ($vars) {
1276                 size_t i = 0;
1277                 struct psi_decl_arg *arg;
1278
1279                 while (psi_plist_get($vars, i++, &arg)) {
1280                         arg->type = psi_decl_type_copy($arg->type);
1281                         $args = psi_plist_add($args, &arg);
1282                 }
1283                 free($vars);
1284         }
1285 }
1286 ;
1287
1288 struct_arg_var_list[vars]:
1289         %empty {
1290         $vars = NULL;
1291 }
1292 |       COMMA decl_vars_with_layout[vars_] {
1293         $vars = $vars_;
1294 }
1295 ;
1296
1297 decl_vars_with_layout[vars]:
1298         decl_var[var] decl_layout[layout] {
1299         {
1300                 struct psi_decl_arg *arg = psi_decl_arg_init(NULL, $var);
1301                 arg->layout = $layout;
1302                 $vars = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &arg);
1303         }
1304 }
1305 |       decl_vars_with_layout[vars_] COMMA decl_var[var] decl_layout[layout] {
1306         {
1307                 struct psi_decl_arg *arg = psi_decl_arg_init(NULL, $var);
1308                 arg->layout = $layout;
1309                 $vars = psi_plist_add($vars_, &arg);
1310         }
1311 }
1312 ;
1313
1314 decl_enum[enum]:
1315         enum_name LBRACE decl_enum_items[list] RBRACE {
1316         $enum = psi_decl_enum_init($enum_name->text, $list);
1317         $enum->token = $enum_name;
1318 }
1319 ;
1320
1321 decl_enum_items[list]:
1322         decl_enum_item[i] {
1323         $list = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_enum_item_free), &$i);
1324 }
1325 |       decl_enum_items[list_] COMMA decl_enum_item[i] {
1326         $list = psi_plist_add($list_, &$i);
1327 }
1328 ;
1329
1330 decl_enum_item[i]:
1331         name_token {
1332         $name_token->type = PSI_T_NAME;
1333         $i = psi_decl_enum_item_init($name_token->text, NULL);
1334         $i->token = psi_token_copy($name_token);
1335 }
1336 |       name_token EQUALS num_exp {
1337         $name_token->type = PSI_T_NAME;
1338         $i = psi_decl_enum_item_init($name_token->text, $num_exp);
1339         $i->token = psi_token_copy($name_token);
1340 }
1341 ;
1342
1343 num_exp[exp]:
1344         number {
1345         $exp = psi_num_exp_init_num($number);
1346         $exp->token = psi_token_copy($number->token);
1347 }
1348 |       LPAREN const_decl_type[type] RPAREN num_exp[exp_] %prec UNARY {
1349         $exp = psi_num_exp_init_cast($type, $exp_);
1350         $exp->token = psi_token_copy($type->token);
1351 }
1352 |       LPAREN num_exp[exp_] RPAREN {
1353         $exp = psi_num_exp_init_unary(PSI_T_LPAREN, $exp_);
1354         $exp->token = psi_token_copy($LPAREN);
1355 }
1356 |       num_exp[lhs] binary_op_token[op] num_exp[rhs] %prec BINARY {
1357         $exp = psi_num_exp_init_binary($op->type, $lhs, $rhs);
1358         $exp->token = psi_token_copy($op);
1359 }
1360 |       unary_op_token[op] num_exp[exp_] %prec UNARY {
1361         $exp = psi_num_exp_init_unary($op->type, $exp_);
1362         $exp->token = psi_token_copy($op);
1363 }
1364 |       num_exp[cond] IIF num_exp[truthy] COLON num_exp[falsy] {
1365         $exp = psi_num_exp_init_ternary($IIF->type, $cond, $truthy, $falsy);
1366         $exp->token = psi_token_copy($IIF);
1367 }
1368 ;
1369
1370 number[num]:
1371         NUMBER[token] {
1372         $num = psi_number_init($token->type, $token->text, $token->flags);
1373         $num->token = psi_token_copy($token);
1374 }
1375 |       NSNAME[token] {
1376         $num = psi_number_init($token->type, $token->text, 0);
1377         $num->token = psi_token_copy($token);
1378 }
1379 |       QUOTED_CHAR[token] {
1380         $num = psi_number_init($token->type, $token->text, 0);
1381         $num->token = psi_token_copy($token);
1382 }
1383 |       decl_var {
1384         $num = psi_number_init(PSI_T_NAME, $decl_var, 0);
1385         $num->token = psi_token_copy($decl_var->token);
1386 }
1387 ;
1388
1389 enum_name[name]:
1390         ENUM optional_name[name_] {
1391         if ($name_) {
1392                 $name = psi_token_copy($name_);
1393         } else {
1394                 char digest[17];
1395
1396                 psi_token_hash($ENUM, digest);
1397                 $name = psi_token_append("@", psi_token_copy($ENUM), 1, digest);
1398         }
1399 }
1400 ;
1401
1402 union_name[name]:
1403         UNION optional_name[name_] {
1404         if ($name_) {
1405                 $name = psi_token_copy($name_);
1406         } else {
1407                 char digest[17];
1408
1409                 psi_token_hash($UNION, digest);
1410                 $name = psi_token_append("@", psi_token_copy($UNION), 1, digest);
1411         }
1412 }
1413 ;
1414
1415 struct_name[name]:
1416         STRUCT optional_name[name_] {
1417         if ($name_) {
1418                 $name = psi_token_copy($name_);
1419         } else {
1420                 char digest[17];
1421
1422                 psi_token_hash($STRUCT, digest);
1423                 $name = psi_token_append("@", psi_token_copy($STRUCT), 1, digest);
1424         }
1425 }
1426 ;
1427
1428 optional_name[name]:
1429         %empty {
1430         $name = NULL;
1431 }
1432 |       name_token {
1433         $name = $name_token;
1434         $name->type = PSI_T_NAME;
1435 }
1436 ;
1437
1438 decl_layout[l]:
1439         %empty {
1440         $l = NULL;
1441 }
1442 |       COLON NUMBER[width] {
1443         $l = psi_layout_init(0, 0, psi_layout_init(0, atol($width->text), NULL));
1444 }
1445 |       COLON COLON LPAREN NUMBER[align] COMMA NUMBER[size] RPAREN {
1446         $l = psi_layout_init(atol($align->text), atol($size->text), NULL);
1447 }
1448 |       COLON NUMBER[width] COLON COLON LPAREN NUMBER[align] COMMA NUMBER[size] RPAREN {
1449         $l = psi_layout_init(atol($align->text), atol($size->text), psi_layout_init(0, atol($width->text), NULL));
1450 }
1451 ;
1452
1453 align_and_size[as]:
1454         %empty {
1455         $as.pos = 0;
1456         $as.len = 0;
1457 }
1458 |       COLON COLON LPAREN NUMBER[align] COMMA NUMBER[size] RPAREN {
1459         $as.pos = atol($align->text);
1460         $as.len = atol($size->text);
1461 }
1462 ;
1463
1464 array_size[as]:
1465         %empty {
1466         $as = 0;
1467 }
1468 |       LBRACKET NUMBER RBRACKET {
1469         $as = atol($NUMBER->text);
1470 }
1471 ;
1472
1473 indirection[i]:
1474         %empty {
1475         $i = 0;
1476 }
1477 |       pointers[p] %prec UNARY {
1478         $i = $p;
1479 }
1480 ;
1481
1482 pointers[p]:
1483         asterisks
1484 |       asterisks[a] CPP_RESTRICT {
1485         $p = $a;
1486 }
1487 ;
1488
1489 asterisks[a]:
1490         ASTERISK {
1491         $a = 1;
1492 }
1493 |       asterisks[a_] ASTERISK {
1494         $a = $a_ + 1;
1495 }
1496 ;
1497
1498 /*
1499  *
1500  * impl
1501  *
1502  */
1503
1504 impl:
1505         impl_func[func] LBRACE impl_stmts[stmts] RBRACE {
1506         $impl = psi_impl_init($func, $stmts);
1507 }
1508 |       STATIC impl_func[func] LBRACE impl_stmts[stmts] RBRACE {
1509         $impl = psi_impl_init($func, $stmts);
1510         $func->static_memory = 1;
1511 }
1512 ;
1513
1514 impl_func[func]:
1515         FUNCTION reference[r] NSNAME LPAREN RPAREN COLON impl_type[type] {
1516         $func = psi_impl_func_init($NSNAME->text, NULL, $type);
1517         $func->token = psi_token_copy($NSNAME);
1518         $func->return_reference = $r;
1519 }
1520 |       FUNCTION reference[r] NSNAME LPAREN impl_args[args] RPAREN COLON impl_type[type] {
1521         $func = psi_impl_func_init($NSNAME->text, $args, $type);
1522         $func->token = psi_token_copy($NSNAME);
1523         $func->return_reference = $r;
1524 }
1525 |       FUNCTION reference[r] NSNAME LPAREN impl_args[args] COMMA impl_type[va_type] reference[va_r] ELLIPSIS DOLLAR_NAME RPAREN COLON impl_type[type] {
1526         $func = psi_impl_func_init($NSNAME->text, $args, $type);
1527         $func->token = psi_token_copy($NSNAME);
1528         $func->return_reference = $r;
1529         $func->vararg = psi_impl_arg_init($va_type, psi_impl_var_init($DOLLAR_NAME->text, $va_r), NULL);
1530         $func->vararg->var->token = psi_token_copy($DOLLAR_NAME);
1531 }
1532 ;
1533
1534 impl_args[args]:
1535         impl_arg[arg] {
1536         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_impl_arg_free), &$arg);
1537 }
1538 |       impl_args[args_] COMMA impl_arg[arg] {
1539         $args = psi_plist_add($args_, &$arg);
1540 }
1541 ;
1542
1543 impl_arg[arg]:
1544         impl_type[type] impl_var[var] {
1545         $arg = psi_impl_arg_init($type, $var, NULL);
1546 }
1547 |       impl_type[type] impl_var[var] EQUALS impl_def_val[val] {
1548         $arg = psi_impl_arg_init($type, $var, $val);
1549 }
1550 ;
1551
1552 impl_var[var]:
1553         reference DOLLAR_NAME {
1554         $var = psi_impl_var_init($DOLLAR_NAME->text, $reference);
1555         $var->token = psi_token_copy($DOLLAR_NAME);
1556 }
1557 ;
1558
1559 impl_type[type]:
1560         impl_type_token[token] {
1561         $type = psi_impl_type_init($token->type, $token->text);
1562         $type->token = psi_token_copy($token);
1563 }
1564 ;
1565
1566 impl_type_token:
1567         VOID
1568 |       MIXED
1569 |       BOOL
1570 |       INT
1571 |       FLOAT
1572 |       STRING
1573 |       ARRAY
1574 |       OBJECT
1575 |       CALLABLE
1576 ;
1577
1578 impl_stmts[stmts]:
1579         impl_stmt[stmt] {
1580         $stmts = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_impl_stmt_free), &$stmt);
1581 }
1582 |       impl_stmts[stmts_] impl_stmt[stmt] {
1583         $stmts = psi_plist_add($stmts_, &$stmt);
1584 }
1585 ;
1586
1587 impl_stmt[stmt]:
1588         return_stmt[s] {
1589         $stmt = (struct psi_token **) $s;
1590 }
1591 |       let_stmt[s] {
1592         $stmt = (struct psi_token **) $s;
1593 }
1594 |       set_stmt[s] {
1595         $stmt = (struct psi_token **) $s;
1596 }
1597 |       assert_stmt[s] {
1598         $stmt = (struct psi_token **) $s;
1599 }
1600 |       free_stmt[s] {
1601         $stmt = (struct psi_token **) $s;
1602 }
1603 ;
1604
1605 let_stmt[let]:
1606         LET let_exp_assign[exp] EOS {
1607         $let = psi_let_stmt_init($exp);
1608         $let->token = psi_token_copy($LET);
1609 }
1610 |       TEMP decl_var[var] EQUALS reference decl_var[val] EOS {
1611         $let = psi_let_stmt_init(psi_let_exp_init_ex($var, PSI_LET_TMP, $val));
1612         $let->token = psi_token_copy($TEMP);
1613         $let->exp->is_reference = $reference;
1614 }
1615 ;
1616
1617 let_exp[exp]:
1618         let_exp_assign
1619 |       byref let_exp_byref[exp_] {
1620         $exp = $exp_;
1621         $exp->is_reference = true;
1622 }
1623 |       let_exp_byref[exp_] {
1624         $exp = $exp_;
1625         $exp->is_reference = false;
1626 }
1627 ;
1628
1629 let_exp_byref[exp]:
1630         NULL {
1631         $exp = psi_let_exp_init(PSI_LET_NULL, NULL);
1632 }
1633 |       let_calloc[calloc] {
1634         $exp = psi_let_exp_init(PSI_LET_CALLOC, $calloc);
1635 }
1636 |       STATIC let_calloc[calloc] {
1637         $exp = psi_let_exp_init(PSI_LET_CALLOC, $calloc);
1638         $calloc->static_memory = 1;
1639 }
1640 |       let_callback[callback] {
1641         $exp = psi_let_exp_init(PSI_LET_CALLBACK, $callback);
1642 }
1643 |       let_func[func] {
1644         $exp = psi_let_exp_init_ex(NULL, PSI_LET_FUNC, $func);
1645 }
1646 |       num_exp[num] {
1647         $exp = psi_let_exp_init_ex(NULL, PSI_LET_NUMEXP, $num);
1648 }
1649 ;
1650
1651 let_exp_assign[exp]:
1652         decl_var[var] EQUALS let_exp_byref[exp_] {
1653         $exp = $exp_;
1654         $exp->var = $var;
1655 }
1656 |       decl_var[var] EQUALS byref let_exp_byref[exp_] {
1657         $exp = $exp_;
1658         $exp->is_reference = 1;
1659         $exp->var = $var;
1660 }
1661 ;
1662
1663 let_calloc[calloc]:
1664         CALLOC LPAREN num_exp[nmemb] COMMA num_exp[size] RPAREN {
1665         $calloc = psi_let_calloc_init($nmemb, $size);
1666         $calloc->token = psi_token_copy($CALLOC);
1667 }
1668 ;
1669
1670 let_callback[callback]:
1671         CALLBACK callback_rval[func] LPAREN impl_var[var] LPAREN callback_arg_list[args] RPAREN RPAREN {
1672         $callback = psi_let_callback_init(psi_let_func_init($func->type, $func->text, $var), $args);
1673         $callback->func->token = psi_token_copy($func);
1674         $callback->token = psi_token_copy($CALLBACK);
1675 }
1676 ;
1677
1678 let_func[func]:
1679         let_func_token[token] LPAREN impl_var[var] let_func_exps[exps] RPAREN {
1680         $func = psi_let_func_init($token->type, $token->text, $var);
1681         $func->token = psi_token_copy($token);
1682         $func->inner = $exps;
1683 }
1684 ;
1685
1686 let_func_token:
1687         ZVAL
1688 |       OBJVAL
1689 |       ARRVAL
1690 |       PATHVAL
1691 |       STRLEN
1692 |       STRVAL
1693 |       FLOATVAL
1694 |       INTVAL
1695 |       BOOLVAL
1696 |       COUNT
1697 ;
1698
1699 let_func_exps[exps]:
1700         %empty {
1701         $exps = NULL;
1702 }
1703 |       COMMA let_exps[exps_] {
1704         $exps = $exps_;
1705 }
1706 ;
1707
1708 let_exps[exps]:
1709         let_exp[exp] {
1710         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_let_exp_free), &$exp);
1711 }
1712 |       let_exps[exps_] COMMA let_exp[exp] {
1713         $exps = psi_plist_add($exps_, &$exp);
1714 }
1715 ;
1716
1717 callback_rval[rval]:
1718         VOID
1719 |       let_func_token
1720 ;
1721
1722 callback_arg_list[list]:
1723         %empty {
1724         $list = NULL;
1725 }
1726 |       callback_args[args] {
1727         $list = $args;
1728 }
1729 ;
1730
1731 callback_args[args]:
1732         set_exp[exp] {
1733         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_set_exp_free), &$exp);
1734 }
1735 |       callback_args[args_] COMMA set_exp[exp] {
1736         $args = psi_plist_add($args_, &$exp);
1737 }
1738 ;
1739
1740 return_stmt[return]:
1741         RETURN set_func[func] EOS {
1742         $return = psi_return_stmt_init(psi_set_exp_init(PSI_SET_FUNC, $func));
1743         $return->token = psi_token_copy($RETURN);
1744 }
1745 ;
1746
1747 set_stmt[set]:
1748         SET set_exp[exp] EOS {
1749         $set = psi_set_stmt_init($exp);
1750         $set->token = psi_token_copy($SET);
1751 }
1752 ;
1753
1754 set_exp[exp]:
1755         set_func[func] {
1756         $exp = psi_set_exp_init(PSI_SET_FUNC, $func);
1757 }
1758 |       num_exp[num] {
1759         $exp = psi_set_exp_init(PSI_SET_NUMEXP, $num);
1760 }
1761 |       impl_var[var] EQUALS set_exp[exp_] {
1762         $exp = $exp_;
1763         $exp->var = $var;
1764 }
1765 ;
1766
1767 set_func[func]:
1768         set_func_token[token] LPAREN decl_var[var] set_func_exps[exps] RPAREN {
1769         $func = psi_set_func_init($token->type, $token->text, $var);
1770         $func->token = psi_token_copy($token);
1771         $func->inner = $exps;
1772 }
1773 |       set_func_token[token] LPAREN decl_var[var] COMMA ELLIPSIS RPAREN {
1774         $func = psi_set_func_init($token->type, $token->text, $var);
1775         $func->token = psi_token_copy($token);
1776         $func->recursive = 1;
1777 }
1778 ;
1779
1780 set_func_token:
1781         TO_OBJECT
1782 |       TO_ARRAY
1783 |       TO_STRING
1784 |       TO_INT
1785 |       TO_FLOAT
1786 |       TO_BOOL
1787 |       ZVAL
1788 |       VOID
1789 ;
1790
1791 set_func_exps[exps]:
1792         %empty {
1793         $exps = NULL;
1794 }
1795 |       COMMA set_exps[exps_] {
1796         $exps = $exps_;
1797 }
1798 ;
1799
1800 set_exps[exps]:
1801         set_exp[exp] {
1802         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_set_exp_free), &$exp);
1803 }
1804 |       set_exps[exps_] COMMA set_exp[exp] {
1805         $exps = psi_plist_add($exps_, &$exp);
1806 }
1807 ;
1808
1809 assert_stmt[assert]:
1810         assert_stmt_token[token] num_exp[exp] EOS {
1811         $assert = psi_assert_stmt_init((enum psi_assert_kind) $token->type, $exp);
1812         $assert->token = psi_token_copy($token);
1813 }
1814 ;
1815
1816 assert_stmt_token:
1817         PRE_ASSERT
1818 |       POST_ASSERT
1819 ;
1820
1821 free_stmt[free]:
1822         FREE free_exps[exps] EOS {
1823         $free = psi_free_stmt_init($exps);
1824         $free->token = psi_token_copy($FREE);
1825 }
1826 ;
1827
1828 free_exps[exps]:
1829         free_exp[exp] {
1830         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_free_exp_free), &$exp);
1831 }
1832 |       free_exps[exps_] COMMA free_exp[exp] {
1833         $exps = psi_plist_add($exps_, &$exp);
1834 }
1835 ;
1836
1837 free_exp[exp]:
1838         name_token[NAME] LPAREN decl_vars[vars] RPAREN {
1839         $NAME->type = PSI_T_NAME;
1840         $exp = psi_free_exp_init($NAME->text, $vars);
1841         $exp->token = psi_token_copy($NAME);
1842 }
1843 ;
1844
1845 reference:
1846         %empty {
1847         $reference = false;
1848 }
1849 |       byref {
1850         $reference = true;
1851 }
1852 ;
1853
1854 byref:
1855         AMPERSAND %prec UNARY
1856 ;
1857
1858 %%
1859
1860 /* epilogue */
1861
1862 static int psi_parser_proc_lex(YYSTYPE *lvalp, struct psi_parser *P, struct psi_plist *tokens, size_t *index)
1863 {
1864         struct psi_token *token;
1865
1866         if (psi_plist_get(tokens, (*index)++, &token)) {
1867                 if (P->flags & PSI_DEBUG) {
1868                         psi_token_dump(2, token);
1869                 }
1870
1871                 *((struct psi_token **)lvalp) = token;
1872                 return token->type;
1873         } else {
1874                 (*index)--;
1875                 PSI_DEBUG_PRINT(P, "EOF(%d)\n", PSI_T_EOF);
1876         }
1877
1878         return PSI_T_EOF;
1879 }
1880
1881 static void psi_parser_proc_error(struct psi_parser *P, struct psi_plist *tokens, size_t *index, const char *msg)
1882 {
1883         struct psi_token *T = NULL;
1884         size_t last;
1885
1886         if (*index == 0) {
1887                 last = 0;
1888         } else {
1889                 last = --(*index);
1890         }
1891
1892         psi_plist_get(tokens, last, &T);
1893         if (T) {
1894                 P->error(PSI_DATA(P), T, PSI_WARNING, "PSI %s at col %u", msg, T->col);
1895         } else {
1896                 P->error(PSI_DATA(P), NULL, PSI_WARNING, "PSI %s", msg);
1897         }
1898         P->errors++;
1899 }
1900