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(&$$);}                      decl_type const_decl_type decl_type_complex
 312 %type           <struct psi_decl *>                                     decl_stmt decl
 313 %destructor     {psi_decl_free(&$$);}                           decl_stmt decl
 314 %type           <struct psi_decl_arg *>                         decl_typedef decl_fn decl_func decl_functor decl_arg struct_arg typedef
 315 %destructor     {psi_decl_arg_free(&$$);}                       decl_typedef decl_fn decl_func decl_functor decl_arg struct_arg typedef
 316 %type           <struct psi_decl_var *>                         decl_var
 317 %destructor     {psi_decl_var_free(&$$);}                       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 decl_enum_items decl_vars
 327 %destructor     {psi_plist_free($$);}                           decl_args decl_struct_args struct_args_block struct_args decl_enum_items decl_vars
 328
 329 %type           <struct psi_layout>                                     align_and_size
 330 %destructor     {}                                                                      align_and_size
 331 %type           <struct psi_layout *>                           decl_layout
 332 %destructor     {psi_layout_free(&$$);}                         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 | 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 |       impl_def_val_token[token] {
 719         $val = psi_impl_def_val_init($token->type, $token->text);
 720         $val->token = psi_token_copy($token);
 721 }
 722 ;
 723
 724 impl_def_val_token:
 725         NULL
 726 |       NUMBER
 727 |       TRUE
 728 |       FALSE
 729 |       QUOTED_STRING
 730 ;
 731
 732 decl_typedef[def]:
 733         TYPEDEF typedef[def_] EOS {
 734         $def = $def_;
 735 }
 736 ;
 737
 738 typedef[def]:
 739         decl_arg
 740 |       decl {
 741         $def = psi_decl_arg_init(
 742                 psi_decl_type_init(PSI_T_FUNCTION, $decl->func->var->name),
 743                 psi_decl_var_copy($decl->func->var)
 744         );
 745         $def->type->token = psi_token_copy($decl->func->token);
 746         $def->type->real.func = $decl;
 747 }
 748 |       decl_enum[enum] name_token {
 749         $name_token->type = PSI_T_NAME;
 750         $def = psi_decl_arg_init(
 751                 psi_decl_type_init(PSI_T_ENUM, $enum->name),
 752                 psi_decl_var_init($name_token->text, 0, 0)
 753         );
 754         $def->var->token = psi_token_copy($name_token);
 755         $def->type->token = psi_token_copy($enum->token);
 756         $def->type->real.enm = $enum;
 757 }
 758 |       struct_name[struct] align_and_size[as] struct_args_block[args] decl_var[var] {
 759         $def = psi_decl_arg_init(psi_decl_type_init(PSI_T_STRUCT, $struct->text), $var);
 760         $def->type->token = $struct;
 761         $def->type->real.strct = psi_decl_struct_init($struct->text, $args);
 762         $def->type->real.strct->token = psi_token_copy($struct);
 763         $def->type->real.strct->align = $as.pos;
 764         $def->type->real.strct->size = $as.len;
 765 }
 766 |       union_name[union] align_and_size[as] struct_args_block[args] decl_var[var] {
 767         $def = psi_decl_arg_init(psi_decl_type_init(PSI_T_UNION, $union->text), $var);
 768         $def->type->token = $union;
 769         $def->type->real.unn = psi_decl_union_init($union->text, $args);
 770         $def->type->real.unn->token = psi_token_copy($union);
 771         $def->type->real.unn->align = $as.pos;
 772         $def->type->real.unn->size = $as.len;
 773 }
 774 |       const_decl_type[type] decl_stdint_type[stdint] {
 775         $stdint->type = PSI_T_NAME;
 776         $def = psi_decl_arg_init($type, psi_decl_var_init($stdint->text, 0, 0));
 777         $def->var->token = psi_token_copy($stdint);
 778 }
 779 ;
 780
 781 const_decl_type[type]:
 782         CONST decl_type[type_] {
 783         $type = $type_;
 784 }
 785 |       decl_type
 786 ;
 787
 788 decl_type[type]:
 789         decl_type_simple[token] {
 790         $type = psi_decl_type_init($token->type, $token->text);
 791         $type->token = $token;
 792 }
 793 |       decl_type_complex
 794 ;
 795
 796 decl_type_complex[type]:
 797         STRUCT[token] name_token {
 798         $name_token->type = PSI_T_NAME;
 799         $type = psi_decl_type_init($token->type, $name_token->text);
 800         $type->token = psi_token_copy($name_token);
 801 }
 802 |       UNION[token] name_token {
 803         $name_token->type = PSI_T_NAME;
 804         $type = psi_decl_type_init($token->type, $name_token->text);
 805         $type->token = psi_token_copy($name_token);
 806 }
 807 |       ENUM[token] name_token {
 808         $name_token->type = PSI_T_NAME;
 809         $type = psi_decl_type_init($token->type, $name_token->text);
 810         $type->token = psi_token_copy($name_token);
 811 }
 812 ;
 813
 814 decl_type_simple[type]:
 815         decl_int_type
 816 |       decl_real_type
 817 |       decl_stdint_type[type_] {
 818         $type = psi_token_copy($type_);
 819 }
 820 |       NAME[type_] {
 821         $type = psi_token_copy($type_);
 822 }
 823 ;
 824
 825 decl_real_type[type]:
 826         FLOAT[type_] {
 827         $type = psi_token_copy($type_);
 828 }
 829 |       DOUBLE[type_] {
 830         $type = psi_token_copy($type_);
 831 }
 832 |       LONG DOUBLE {
 833         $type = psi_token_cat(" ", 2, $LONG, $DOUBLE);
 834 }
 835 ;
 836
 837 decl_stdint_type[type]:
 838         INT8
 839 |       UINT8
 840 |       INT16
 841 |       UINT16
 842 |       INT32
 843 |       UINT32
 844 |       INT64
 845 |       UINT64
 846 ;
 847
 848 int_signed[i]:
 849         SIGNED
 850 |       UNSIGNED
 851 ;
 852
 853 int_width[i]:
 854         SHORT {
 855         $i = psi_token_copy($SHORT);
 856 }
 857 |       LONG {
 858         $i = psi_token_copy($LONG);
 859 }
 860 |       LONG[l1] LONG[l2] {
 861         $i = psi_token_cat(" ", 2, $l1, $l2);
 862 }
 863 ;
 864
 865 decl_int_type[type]:
 866         CHAR {
 867         $type = psi_token_copy($CHAR);
 868 }
 869 |       INT {
 870         $type = psi_token_copy($INT);
 871 }
 872 |       int_signed int_signed_types {
 873         if ($2) {
 874                 $type = psi_token_cat(" ", 2, $1, $2);
 875                 free($2);
 876         } else {
 877                 $type = psi_token_copy($1);
 878         }
 879 }
 880 |       int_width int_width_types {
 881         if ($2) {
 882                 $type = psi_token_cat(" ", 2, $1, $2);
 883                 free($1);
 884                 free($2);
 885         } else {
 886                 $type = $1;
 887         }
 888 }
 889 ;
 890
 891 int_signed_types[type]:
 892         %empty {
 893         $type = NULL;
 894 }
 895 |       CHAR {
 896         $type = psi_token_copy($CHAR);
 897 }
 898 |       SHORT signed_short_types {
 899         if ($2) {
 900                 $type = psi_token_cat(" ", 2, $1, $2);
 901         } else {
 902                 $type = psi_token_copy($1);
 903         }
 904 }
 905 |       INT {
 906         $type = psi_token_copy($INT);
 907 }
 908 |       LONG signed_long_types {
 909         if ($2) {
 910                 $type = psi_token_cat(" ", 2, $1, $2);
 911         } else {
 912                 $type = psi_token_copy($1);
 913         }
 914 }
 915 ;
 916
 917 signed_short_types[type]:
 918         %empty {
 919         $type = NULL;
 920 }
 921 |       INT
 922 ;
 923 signed_long_types[type]:
 924         %empty {
 925         $type = NULL;
 926 }
 927 |       INT
 928 |       LONG
 929 ;
 930
 931 int_width_types[type]:
 932         %empty {
 933         $type = NULL;
 934 }
 935 |       INT {
 936         $type = psi_token_copy($INT);
 937 }
 938 |       int_signed int_signed_types {
 939         if ($2) {
 940                 $type = psi_token_cat(" ", 2, $1, $2);
 941                 free($2);
 942         } else {
 943                 $type = psi_token_copy($1);
 944         }
 945 }
 946 ;
 947
 948 decl_stmt:
 949         decl decl_asm EOS {
 950         $decl_stmt = $decl;
 951 }
 952 |       CPP_EXTENSION decl decl_asm EOS {
 953         $decl_stmt = $decl;
 954 }
 955 ;
 956
 957 decl_asm:
 958         %empty
 959 |       CPP_ASM LPAREN ignored_quoted_strings RPAREN
 960 ;
 961
 962 ignored_quoted_strings:
 963         QUOTED_STRING
 964 |       ignored_quoted_strings QUOTED_STRING
 965 ;
 966
 967 decl_ext_var_stmt:
 968         decl_ext_var EOS
 969 ;
 970
 971 decl_ext_var:
 972         NAME decl_arg decl_ext_var_list {
 973         psi_decl_arg_free(&$decl_arg);
 974 }
 975 ;
 976
 977 decl_ext_var_list:
 978         %empty
 979 |       COMMA decl_vars {
 980         psi_plist_free($decl_vars);
 981 }
 982 ;
 983
 984 decl:
 985         decl_fn[func] LPAREN decl_args[args] RPAREN array_size[as] {
 986         $decl = psi_decl_init(psi_decl_abi_init("default"), $func, $args);
 987         if ($as) {
 988                 $decl->func->var->pointer_level += 1;
 989                 $decl->func->var->array_size = $as;
 990         }
 991 }
 992 |       decl_fn[func] LPAREN decl_args[args] COMMA ELLIPSIS RPAREN array_size[as] {
 993         $decl = psi_decl_init(psi_decl_abi_init("default"), $func, $args);
 994         $decl->varargs = 1;
 995         if ($as) {
 996                 $decl->func->var->pointer_level += 1;
 997                 $decl->func->var->array_size = $as;
 998         }
 999 }
1000 |       NAME[abi] decl_fn[func] LPAREN decl_args[args] RPAREN array_size[as] {
1001         $decl = psi_decl_init(psi_decl_abi_init($abi->text), $func, $args);
1002         if ($as) {
1003                 $decl->func->var->pointer_level += 1;
1004                 $decl->func->var->array_size = $as;
1005         }
1006 }
1007 |       NAME[abi] decl_fn[func] LPAREN decl_args[args] COMMA ELLIPSIS RPAREN array_size[as] {
1008         $decl = psi_decl_init(psi_decl_abi_init($abi->text), $func, $args);
1009         $decl->varargs = 1;
1010         if ($as) {
1011                 $decl->func->var->pointer_level += 1;
1012                 $decl->func->var->array_size = $as;
1013         }
1014 }
1015 ;
1016
1017 decl_fn:
1018         decl_func
1019 |       decl_functor
1020 ;
1021
1022 decl_functor[arg]:
1023         const_decl_type[type] indirection[i] LPAREN indirection[unused1] name_token[NAME] RPAREN {
1024         (void) $unused1;
1025         $NAME->type = PSI_T_NAME;
1026         $arg = psi_decl_arg_init($type, psi_decl_var_init($NAME->text, $i, 0));
1027         $arg->var->token = psi_token_copy($NAME);
1028         $arg->token = psi_token_copy($NAME);
1029 }
1030 |       CONST VOID pointers LPAREN indirection[unused1] name_token[NAME] RPAREN {
1031         (void) $unused1;
1032         $NAME->type = PSI_T_NAME;
1033         $arg = psi_decl_arg_init(
1034                 psi_decl_type_init($VOID->type, $VOID->text),
1035                 psi_decl_var_init($NAME->text, $pointers, 0)
1036         );
1037         $arg->type->token = psi_token_copy($VOID);
1038         $arg->var->token = psi_token_copy($NAME);
1039         $arg->token = psi_token_copy($NAME);
1040 }
1041 |       VOID pointers LPAREN indirection[unused1] name_token[NAME] RPAREN {
1042         (void) $unused1;
1043         $NAME->type = PSI_T_NAME;
1044         $arg = psi_decl_arg_init(
1045                 psi_decl_type_init($VOID->type, $VOID->text),
1046                 psi_decl_var_init($NAME->text, $pointers, 0)
1047         );
1048         $arg->type->token = psi_token_copy($VOID);
1049         $arg->var->token = psi_token_copy($NAME);
1050         $arg->token = psi_token_copy($NAME);
1051 }
1052 |       VOID LPAREN indirection[unused1] name_token[NAME] RPAREN {
1053         (void) $unused1;
1054         $NAME->type = PSI_T_NAME;
1055         $arg = psi_decl_arg_init(
1056                 psi_decl_type_init($VOID->type, $VOID->text),
1057                 psi_decl_var_init($NAME->text, 0, 0)
1058         );
1059         $arg->type->token = psi_token_copy($VOID);
1060         $arg->var->token = psi_token_copy($NAME);
1061         $arg->token = psi_token_copy($NAME);
1062 }
1063 ;
1064
1065 decl_func[func]:
1066         decl_arg
1067 |       VOID name_token[NAME] {
1068         $func = psi_decl_arg_init(
1069                 psi_decl_type_init($VOID->type, $VOID->text),
1070                 psi_decl_var_init($NAME->text, 0, 0)
1071         );
1072         $func->type->token = psi_token_copy($VOID);
1073         $func->var->token = psi_token_copy($NAME);
1074         $func->token = psi_token_copy($NAME);
1075 }
1076 ;
1077
1078 decl_args[args]:
1079         %empty {
1080         $args = NULL;
1081 }
1082 |       VOID {
1083         $args = NULL;
1084 }
1085 |       decl_arg[arg] {
1086         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &$arg);
1087 }
1088 |       decl_args[args_] COMMA decl_arg[arg] {
1089         $args = psi_plist_add($args_, &$arg);
1090 }
1091 ;
1092
1093 decl_arg[arg]:
1094         const_decl_type[type] decl_var[var] {
1095         $arg = psi_decl_arg_init($type, $var);
1096 }
1097 |       CONST VOID pointers name_token[NAME] {
1098         $NAME->type = PSI_T_NAME;
1099         $arg = psi_decl_arg_init(
1100                 psi_decl_type_init($VOID->type, $VOID->text),
1101                 psi_decl_var_init($NAME->text, $pointers, 0)
1102         );
1103         $arg->type->token = psi_token_copy($VOID);
1104         $arg->var->token = psi_token_copy($NAME);
1105         $arg->token = psi_token_copy($NAME);
1106 }
1107 |       VOID pointers name_token[NAME] {
1108         $NAME->type = PSI_T_NAME;
1109         $arg = psi_decl_arg_init(
1110                 psi_decl_type_init($VOID->type, $VOID->text),
1111                 psi_decl_var_init($NAME->text, $pointers, 0)
1112         );
1113         $arg->type->token = psi_token_copy($VOID);
1114         $arg->var->token = psi_token_copy($NAME);
1115         $arg->token = psi_token_copy($NAME);
1116 }
1117 ;
1118
1119 decl_var[var]:
1120         pointers name_token array_size {
1121         $name_token->type = PSI_T_NAME;
1122         $var = psi_decl_var_init($name_token->text, $pointers + !! $array_size, $array_size);
1123         $var->token = psi_token_copy($name_token);
1124 }
1125 |       name_token array_size {
1126         $name_token->type = PSI_T_NAME;
1127         $var = psi_decl_var_init($name_token->text, !! $array_size, $array_size);
1128         $var->token = psi_token_copy($name_token);
1129 }
1130 ;
1131
1132 decl_union[union]:
1133         UNION name_token align_and_size[as] decl_struct_args[args] {
1134         $name_token->type = PSI_T_NAME;
1135         $union = psi_decl_union_init($name_token->text, $args);
1136         $union->align = $as.pos;
1137         $union->size = $as.len;
1138         $union->token = psi_token_copy($name_token);
1139 }
1140 ;
1141
1142 decl_struct[struct]:
1143         STRUCT name_token align_and_size[as] decl_struct_args[args] {
1144         $name_token->type = PSI_T_NAME;
1145         $struct = psi_decl_struct_init($name_token->text, $args);
1146         $struct->align = $as.pos;
1147         $struct->size = $as.len;
1148         $struct->token = psi_token_copy($name_token);
1149 }
1150 ;
1151
1152 decl_struct_args[args]:
1153         EOS {
1154         $args = NULL;
1155 }
1156 |       struct_args_block
1157 ;
1158
1159 struct_args_block[args]:
1160         LBRACE struct_args RBRACE {
1161         $args = $struct_args;
1162 }
1163 ;
1164
1165 struct_args[args]:
1166         struct_arg[arg] {
1167         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &$arg);
1168 }
1169 |       struct_args[args_] struct_arg[arg] {
1170         $args = psi_plist_add($args_, &$arg);
1171 }
1172 ;
1173
1174 struct_arg[arg]:
1175         typedef[arg_] decl_layout[layout] EOS {
1176         $arg = $arg_;
1177         $arg->layout = $layout;
1178         psi_parser_proc_add_from_typedef(P, $arg);
1179 }
1180 ;
1181
1182 decl_enum[enum]:
1183         enum_name LBRACE decl_enum_items[list] RBRACE {
1184         $enum = psi_decl_enum_init($enum_name->text, $list);
1185         $enum->token = $enum_name;
1186 }
1187 ;
1188
1189 decl_enum_items[list]:
1190         decl_enum_item[i] {
1191         $list = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_enum_item_free), &$i);
1192 }
1193 |       decl_enum_items[list_] COMMA decl_enum_item[i] {
1194         $list = psi_plist_add($list_, &$i);
1195 }
1196 ;
1197
1198 decl_enum_item[i]:
1199         name_token {
1200         $name_token->type = PSI_T_NAME;
1201         $i = psi_decl_enum_item_init($name_token->text, NULL);
1202         $i->token = psi_token_copy($name_token);
1203 }
1204 |       name_token EQUALS num_exp {
1205         $name_token->type = PSI_T_NAME;
1206         $i = psi_decl_enum_item_init($name_token->text, $num_exp);
1207         $i->token = psi_token_copy($name_token);
1208 }
1209 ;
1210
1211 num_exp[exp]:
1212         number {
1213         $exp = psi_num_exp_init_num($number);
1214         $exp->token = psi_token_copy($number->token);
1215 }
1216 |       LPAREN const_decl_type[type] RPAREN num_exp[exp_] %prec UNARY {
1217         $exp = psi_num_exp_init_cast($type, $exp_);
1218         $exp->token = psi_token_copy($type->token);
1219 }
1220 |       LPAREN num_exp[exp_] RPAREN {
1221         $exp = psi_num_exp_init_unary(PSI_T_LPAREN, $exp_);
1222         $exp->token = psi_token_copy($LPAREN);
1223 }
1224 |       num_exp[lhs] binary_op_token[op] num_exp[rhs] %prec BINARY {
1225         $exp = psi_num_exp_init_binary($op->type, $lhs, $rhs);
1226         $exp->token = psi_token_copy($op);
1227 }
1228 |       unary_op_token[op] num_exp[exp_] %prec UNARY {
1229         $exp = psi_num_exp_init_unary($op->type, $exp_);
1230         $exp->token = psi_token_copy($op);
1231 }
1232 |       num_exp[cond] IIF num_exp[truthy] COLON num_exp[falsy] {
1233         $exp = psi_num_exp_init_ternary($IIF->type, $cond, $truthy, $falsy);
1234         $exp->token = psi_token_copy($IIF);
1235 }
1236 ;
1237
1238 number[num]:
1239         NUMBER[token] {
1240         $num = psi_number_init($token->type, $token->text, $token->flags);
1241         $num->token = psi_token_copy($token);
1242 }
1243 |       NSNAME[token] {
1244         $num = psi_number_init($token->type, $token->text, 0);
1245         $num->token = psi_token_copy($token);
1246 }
1247 |       QUOTED_CHAR[token] {
1248         $num = psi_number_init($token->type, $token->text, 0);
1249         $num->token = psi_token_copy($token);
1250 }
1251 |       decl_var {
1252         $num = psi_number_init(PSI_T_NAME, $decl_var, 0);
1253         $num->token = psi_token_copy($decl_var->token);
1254 }
1255 ;
1256
1257 enum_name[name]:
1258         ENUM optional_name[name_] {
1259         if ($name_) {
1260                 $name = psi_token_copy($name_);
1261         } else {
1262                 char digest[17];
1263
1264                 psi_token_hash($ENUM, digest);
1265                 $name = psi_token_append("@", psi_token_copy($ENUM), 1, digest);
1266         }
1267 }
1268 ;
1269
1270 union_name[name]:
1271         UNION optional_name[name_] {
1272         if ($name_) {
1273                 $name = psi_token_copy($name_);
1274         } else {
1275                 char digest[17];
1276
1277                 psi_token_hash($UNION, digest);
1278                 $name = psi_token_append("@", psi_token_copy($UNION), 1, digest);
1279         }
1280 }
1281 ;
1282
1283 struct_name[name]:
1284         STRUCT optional_name[name_] {
1285         if ($name_) {
1286                 $name = psi_token_copy($name_);
1287         } else {
1288                 char digest[17];
1289
1290                 psi_token_hash($STRUCT, digest);
1291                 $name = psi_token_append("@", psi_token_copy($STRUCT), 1, digest);
1292         }
1293 }
1294 ;
1295
1296 optional_name[name]:
1297         %empty {
1298         $name = NULL;
1299 }
1300 |       name_token {
1301         $name = $name_token;
1302         $name->type = PSI_T_NAME;
1303 }
1304 ;
1305
1306 decl_layout[l]:
1307         %empty {
1308         $l = NULL;
1309 }
1310 |       COLON COLON LPAREN NUMBER[align] COMMA NUMBER[size] RPAREN {
1311         $l = psi_layout_init(atol($align->text), atol($size->text));
1312 }
1313 ;
1314
1315 align_and_size[as]:
1316         %empty {
1317         $as.pos = 0;
1318         $as.len = 0;
1319 }
1320 |       COLON COLON LPAREN NUMBER[align] COMMA NUMBER[size] RPAREN {
1321         $as.pos = atol($align->text);
1322         $as.len = atol($size->text);
1323 }
1324 ;
1325
1326 array_size[as]:
1327         %empty {
1328         $as = 0;
1329 }
1330 |       LBRACKET NUMBER RBRACKET {
1331         $as = atol($NUMBER->text);
1332 }
1333 ;
1334
1335 indirection[i]:
1336         %empty {
1337         $i = 0;
1338 }
1339 |       pointers[p] %prec UNARY {
1340         $i = $p;
1341 }
1342 ;
1343
1344 pointers[p]:
1345         asterisks
1346 |       asterisks[a] CPP_RESTRICT {
1347         $p = $a;
1348 }
1349 ;
1350
1351 asterisks[a]:
1352         ASTERISK {
1353         $a = 1;
1354 }
1355 |       asterisks[a_] ASTERISK {
1356         $a = $a_ + 1;
1357 }
1358 ;
1359
1360 /*
1361  *
1362  * impl
1363  *
1364  */
1365
1366 impl:
1367         impl_func[func] LBRACE impl_stmts[stmts] RBRACE {
1368         $impl = psi_impl_init($func, $stmts);
1369 }
1370 |       STATIC impl_func[func] LBRACE impl_stmts[stmts] RBRACE {
1371         $impl = psi_impl_init($func, $stmts);
1372         $func->static_memory = 1;
1373 }
1374 ;
1375
1376 impl_func[func]:
1377         FUNCTION reference[r] NSNAME LPAREN RPAREN COLON impl_type[type] {
1378         $func = psi_impl_func_init($NSNAME->text, NULL, $type);
1379         $func->token = psi_token_copy($NSNAME);
1380         $func->return_reference = $r;
1381 }
1382 |       FUNCTION reference[r] NSNAME LPAREN impl_args[args] RPAREN COLON impl_type[type] {
1383         $func = psi_impl_func_init($NSNAME->text, $args, $type);
1384         $func->token = psi_token_copy($NSNAME);
1385         $func->return_reference = $r;
1386 }
1387 |       FUNCTION reference[r] NSNAME LPAREN impl_args[args] COMMA impl_type[va_type] reference[va_r] ELLIPSIS DOLLAR_NAME RPAREN COLON impl_type[type] {
1388         $func = psi_impl_func_init($NSNAME->text, $args, $type);
1389         $func->token = psi_token_copy($NSNAME);
1390         $func->return_reference = $r;
1391         $func->vararg = psi_impl_arg_init($va_type, psi_impl_var_init($DOLLAR_NAME->text, $va_r), NULL);
1392         $func->vararg->var->token = psi_token_copy($DOLLAR_NAME);
1393 }
1394 ;
1395
1396 impl_args[args]:
1397         impl_arg[arg] {
1398         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_impl_arg_free), &$arg);
1399 }
1400 |       impl_args[args_] COMMA impl_arg[arg] {
1401         $args = psi_plist_add($args_, &$arg);
1402 }
1403 ;
1404
1405 impl_arg[arg]:
1406         impl_type[type] impl_var[var] {
1407         $arg = psi_impl_arg_init($type, $var, NULL);
1408 }
1409 |       impl_type[type] impl_var[var] EQUALS impl_def_val[val] {
1410         $arg = psi_impl_arg_init($type, $var, $val);
1411 }
1412 ;
1413
1414 impl_var[var]:
1415         reference DOLLAR_NAME {
1416         $var = psi_impl_var_init($DOLLAR_NAME->text, $reference);
1417         $var->token = psi_token_copy($DOLLAR_NAME);
1418 }
1419 ;
1420
1421 impl_type[type]:
1422         impl_type_token[token] {
1423         $type = psi_impl_type_init($token->type, $token->text);
1424         $type->token = psi_token_copy($token);
1425 }
1426 ;
1427
1428 impl_type_token:
1429         VOID
1430 |       MIXED
1431 |       BOOL
1432 |       INT
1433 |       FLOAT
1434 |       STRING
1435 |       ARRAY
1436 |       OBJECT
1437 |       CALLABLE
1438 ;
1439
1440 impl_stmts[stmts]:
1441         impl_stmt[stmt] {
1442         $stmts = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_impl_stmt_free), &$stmt);
1443 }
1444 |       impl_stmts[stmts_] impl_stmt[stmt] {
1445         $stmts = psi_plist_add($stmts_, &$stmt);
1446 }
1447 ;
1448
1449 impl_stmt[stmt]:
1450         return_stmt[s] {
1451         $stmt = (struct psi_token **) $s;
1452 }
1453 |       let_stmt[s] {
1454         $stmt = (struct psi_token **) $s;
1455 }
1456 |       set_stmt[s] {
1457         $stmt = (struct psi_token **) $s;
1458 }
1459 |       assert_stmt[s] {
1460         $stmt = (struct psi_token **) $s;
1461 }
1462 |       free_stmt[s] {
1463         $stmt = (struct psi_token **) $s;
1464 }
1465 ;
1466
1467 let_stmt[let]:
1468         LET let_exp_assign[exp] EOS {
1469         $let = psi_let_stmt_init($exp);
1470         $let->token = psi_token_copy($LET);
1471 }
1472 |       TEMP decl_var[var] EQUALS reference decl_var[val] EOS {
1473         $let = psi_let_stmt_init(psi_let_exp_init_ex($var, PSI_LET_TMP, $val));
1474         $let->token = psi_token_copy($TEMP);
1475         $let->exp->is_reference = $reference;
1476 }
1477 ;
1478
1479 let_exp[exp]:
1480         let_exp_assign
1481 |       byref let_exp_byref[exp_] {
1482         $exp = $exp_;
1483         $exp->is_reference = true;
1484 }
1485 |       let_exp_byref[exp_] {
1486         $exp = $exp_;
1487         $exp->is_reference = false;
1488 }
1489 ;
1490
1491 let_exp_byref[exp]:
1492         NULL {
1493         $exp = psi_let_exp_init(PSI_LET_NULL, NULL);
1494 }
1495 |       let_calloc[calloc] {
1496         $exp = psi_let_exp_init(PSI_LET_CALLOC, $calloc);
1497 }
1498 |       let_callback[callback] {
1499         $exp = psi_let_exp_init(PSI_LET_CALLBACK, $callback);
1500 }
1501 |       let_func[func] {
1502         $exp = psi_let_exp_init_ex(NULL, PSI_LET_FUNC, $func);
1503 }
1504 |       num_exp[num] {
1505         $exp = psi_let_exp_init_ex(NULL, PSI_LET_NUMEXP, $num);
1506 }
1507 ;
1508
1509 let_exp_assign[exp]:
1510         decl_var[var] EQUALS let_exp_byref[exp_] {
1511         $exp = $exp_;
1512         $exp->var = $var;
1513 }
1514 |       decl_var[var] EQUALS byref let_exp_byref[exp_] {
1515         $exp = $exp_;
1516         $exp->is_reference = 1;
1517         $exp->var = $var;
1518 }
1519 ;
1520
1521 let_calloc[calloc]:
1522         CALLOC LPAREN num_exp[nmemb] COMMA num_exp[size] RPAREN {
1523         $calloc = psi_let_calloc_init($nmemb, $size);
1524         $calloc->token = psi_token_copy($CALLOC);
1525 }
1526 ;
1527
1528 let_callback[callback]:
1529         CALLBACK callback_rval[func] LPAREN impl_var[var] LPAREN callback_arg_list[args] RPAREN RPAREN {
1530         $callback = psi_let_callback_init(psi_let_func_init($func->type, $func->text, $var), $args);
1531         $callback->func->token = psi_token_copy($func);
1532         $callback->token = psi_token_copy($CALLBACK);
1533 }
1534 ;
1535
1536 let_func[func]:
1537         let_func_token[token] LPAREN impl_var[var] let_func_exps[exps] RPAREN {
1538         $func = psi_let_func_init($token->type, $token->text, $var);
1539         $func->token = psi_token_copy($token);
1540         $func->inner = $exps;
1541 }
1542 ;
1543
1544 let_func_token:
1545         ZVAL
1546 |       OBJVAL
1547 |       ARRVAL
1548 |       PATHVAL
1549 |       STRLEN
1550 |       STRVAL
1551 |       FLOATVAL
1552 |       INTVAL
1553 |       BOOLVAL
1554 |       COUNT
1555 ;
1556
1557 let_func_exps[exps]:
1558         %empty {
1559         $exps = NULL;
1560 }
1561 |       COMMA let_exps[exps_] {
1562         $exps = $exps_;
1563 }
1564 ;
1565
1566 let_exps[exps]:
1567         let_exp[exp] {
1568         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_let_exp_free), &$exp);
1569 }
1570 |       let_exps[exps_] COMMA let_exp[exp] {
1571         $exps = psi_plist_add($exps_, &$exp);
1572 }
1573 ;
1574
1575 callback_rval[rval]:
1576         VOID
1577 |       let_func_token
1578 ;
1579
1580 callback_arg_list[list]:
1581         %empty {
1582         $list = NULL;
1583 }
1584 |       callback_args[args] {
1585         $list = $args;
1586 }
1587 ;
1588
1589 callback_args[args]:
1590         set_exp[exp] {
1591         $args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_set_exp_free), &$exp);
1592 }
1593 |       callback_args[args_] COMMA set_exp[exp] {
1594         $args = psi_plist_add($args_, &$exp);
1595 }
1596 ;
1597
1598 return_stmt[return]:
1599         RETURN set_func[func] EOS {
1600         $return = psi_return_stmt_init(psi_set_exp_init(PSI_SET_FUNC, $func));
1601         $return->token = psi_token_copy($RETURN);
1602 }
1603 ;
1604
1605 set_stmt[set]:
1606         SET set_exp[exp] EOS {
1607         $set = psi_set_stmt_init($exp);
1608         $set->token = psi_token_copy($SET);
1609 }
1610 ;
1611
1612 set_exp[exp]:
1613         set_func[func] {
1614         $exp = psi_set_exp_init(PSI_SET_FUNC, $func);
1615 }
1616 |       num_exp[num] {
1617         $exp = psi_set_exp_init(PSI_SET_NUMEXP, $num);
1618 }
1619 |       impl_var[var] EQUALS set_exp[exp_] {
1620         $exp = $exp_;
1621         $exp->var = $var;
1622 }
1623 ;
1624
1625 set_func[func]:
1626         set_func_token[token] LPAREN decl_var[var] set_func_exps[exps] RPAREN {
1627         $func = psi_set_func_init($token->type, $token->text, $var);
1628         $func->token = psi_token_copy($token);
1629         $func->inner = $exps;
1630 }
1631 |       set_func_token[token] LPAREN decl_var[var] COMMA ELLIPSIS RPAREN {
1632         $func = psi_set_func_init($token->type, $token->text, $var);
1633         $func->token = psi_token_copy($token);
1634         $func->recursive = 1;
1635 }
1636 ;
1637
1638 set_func_token:
1639         TO_OBJECT
1640 |       TO_ARRAY
1641 |       TO_STRING
1642 |       TO_INT
1643 |       TO_FLOAT
1644 |       TO_BOOL
1645 |       ZVAL
1646 |       VOID
1647 ;
1648
1649 set_func_exps[exps]:
1650         %empty {
1651         $exps = NULL;
1652 }
1653 |       COMMA set_exps[exps_] {
1654         $exps = $exps_;
1655 }
1656 ;
1657
1658 set_exps[exps]:
1659         set_exp[exp] {
1660         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_set_exp_free), &$exp);
1661 }
1662 |       set_exps[exps_] COMMA set_exp[exp] {
1663         $exps = psi_plist_add($exps_, &$exp);
1664 }
1665 ;
1666
1667 assert_stmt[assert]:
1668         assert_stmt_token[token] num_exp[exp] EOS {
1669         $assert = psi_assert_stmt_init((enum psi_assert_kind) $token->type, $exp);
1670         $assert->token = psi_token_copy($token);
1671 }
1672 ;
1673
1674 assert_stmt_token:
1675         PRE_ASSERT
1676 |       POST_ASSERT
1677 ;
1678
1679 free_stmt[free]:
1680         FREE free_exps[exps] EOS {
1681         $free = psi_free_stmt_init($exps);
1682         $free->token = psi_token_copy($FREE);
1683 }
1684 ;
1685
1686 free_exps[exps]:
1687         free_exp[exp] {
1688         $exps = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_free_exp_free), &$exp);
1689 }
1690 |       free_exps[exps_] COMMA free_exp[exp] {
1691         $exps = psi_plist_add($exps_, &$exp);
1692 }
1693 ;
1694
1695 free_exp[exp]:
1696         name_token[NAME] LPAREN decl_vars[vars] RPAREN {
1697         $NAME->type = PSI_T_NAME;
1698         $exp = psi_free_exp_init($NAME->text, $vars);
1699         $exp->token = psi_token_copy($NAME);
1700 }
1701 ;
1702
1703 decl_vars[vars]:
1704         decl_var[var] {
1705         $vars = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_var_free), &$var);
1706 }
1707 |       decl_vars[vars_] COMMA decl_var[var] {
1708         $vars = psi_plist_add($vars_, &$var);
1709 }
1710 ;
1711
1712 reference:
1713         %empty {
1714         $reference = false;
1715 }
1716 |       byref {
1717         $reference = true;
1718 }
1719 ;
1720
1721 byref:
1722         AMPERSAND %prec UNARY
1723 ;
1724
1725 %%
1726
1727 /* epilogue */
1728
1729 static int psi_parser_proc_lex(YYSTYPE *lvalp, struct psi_parser *P, struct psi_plist *tokens, size_t *index)
1730 {
1731         struct psi_token *token;
1732
1733         if (psi_plist_get(tokens, (*index)++, &token)) {
1734                 if (P->flags & PSI_DEBUG) {
1735                         psi_token_dump(2, token);
1736                 }
1737
1738                 *((struct psi_token **)lvalp) = token;
1739                 return token->type;
1740         } else {
1741                 (*index)--;
1742                 PSI_DEBUG_PRINT(P, "EOF(%d)\n", PSI_T_EOF);
1743         }
1744
1745         return PSI_T_EOF;
1746 }
1747
1748 static void psi_parser_proc_error(struct psi_parser *P, struct psi_plist *tokens, size_t *index, const char *msg)
1749 {
1750         struct psi_token *T = NULL;
1751         size_t last;
1752
1753         if (*index == 0) {
1754                 last = 0;
1755         } else {
1756                 last = --(*index);
1757         }
1758
1759         psi_plist_get(tokens, last, &T);
1760         if (T) {
1761                 P->error(PSI_DATA(P), T, PSI_WARNING, "PSI %s at col %u", msg, T->col);
1762         } else {
1763                 P->error(PSI_DATA(P), NULL, PSI_WARNING, "PSI %s", msg);
1764         }
1765         P->errors++;
1766 }
1767