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Diffstat (limited to 'mesalib/src/mesa/shader/grammar/grammar.syn')
| -rw-r--r-- | mesalib/src/mesa/shader/grammar/grammar.syn | 567 |
1 files changed, 0 insertions, 567 deletions
diff --git a/mesalib/src/mesa/shader/grammar/grammar.syn b/mesalib/src/mesa/shader/grammar/grammar.syn deleted file mode 100644 index 5d99f65bf..000000000 --- a/mesalib/src/mesa/shader/grammar/grammar.syn +++ /dev/null @@ -1,567 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.2 - * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - /** - * \file grammar.syn - * syntax of .syn script - used to validate other syntax files - * \author Michal Krol - */ - -.syntax grammar; - -/* declaration */ -.emtcode DECLARATION_END 0 -.emtcode DECLARATION_EMITCODE 1 -.emtcode DECLARATION_ERRORTEXT 2 -.emtcode DECLARATION_REGBYTE 3 -.emtcode DECLARATION_LEXER 4 -.emtcode DECLARATION_RULE 5 - -/* specifier */ -.emtcode SPECIFIER_END 0 -.emtcode SPECIFIER_AND_TAG 1 -.emtcode SPECIFIER_OR_TAG 2 -.emtcode SPECIFIER_CHARACTER_RANGE 3 -.emtcode SPECIFIER_CHARACTER 4 -.emtcode SPECIFIER_STRING 5 -.emtcode SPECIFIER_IDENTIFIER 6 -.emtcode SPECIFIER_TRUE 7 -.emtcode SPECIFIER_FALSE 8 -.emtcode SPECIFIER_DEBUG 9 - -/* identifier */ -.emtcode IDENTIFIER_SIMPLE 0 -.emtcode IDENTIFIER_LOOP 1 - -/* error */ -.emtcode ERROR_NOT_PRESENT 0 -.emtcode ERROR_PRESENT 1 - -/* emit */ -.emtcode EMIT_NULL 0 -.emtcode EMIT_INTEGER 1 -.emtcode EMIT_IDENTIFIER 2 -.emtcode EMIT_CHARACTER 3 -.emtcode EMIT_LAST_CHARACTER 4 -.emtcode EMIT_CURRENT_POSITION 5 - -.errtext INVALID_GRAMMAR "internal error 2001: invalid grammar script" -.errtext SYNTAX_EXPECTED "internal error 2002: '.syntax' keyword expected" -.errtext IDENTIFIER_EXPECTED "internal error 2003: identifier expected" -.errtext MISSING_SEMICOLON "internal error 2004: missing ';'" -.errtext INTEGER_EXPECTED "internal error 2005: integer value expected" -.errtext STRING_EXPECTED "internal error 2006: string expected" - -/* - <grammar> ::= ".syntax" <identifier> ";" <declaration_list> -*/ -grammar - grammar_1 .error INVALID_GRAMMAR; -grammar_1 - optional_space .and ".syntax" .error SYNTAX_EXPECTED .and space .and identifier .and - semicolon .and declaration_list .and optional_space .and '\0' .emit DECLARATION_END; - -/* - <optional_space> ::= <space> - | "" -*/ -optional_space - space .or .true; - -/* - <space> ::= <single_space> <single_space>* -*/ -space - single_space .and .loop single_space; - -/* - <single_space> ::= <white_char> - | <comment_block> -*/ -single_space - white_char .or comment_block; - -/* - <white_char> ::= " " - | "\t" - | "\n" - | "\r" -*/ -white_char - ' ' .or '\t' .or '\n' .or '\r'; - -/* - <comment_block> ::= "/" "*" <comment_rest> -*/ -comment_block - '/' .and '*' .and comment_rest; - -/* - <comment_rest> ::= <comment_char_no_star>* <comment_end> - | <comment_char_no_star>* "*" <comment_rest> -*/ -comment_rest - .loop comment_char_no_star .and comment_rest_1; -comment_rest_1 - comment_end .or comment_rest_2; -comment_rest_2 - '*' .and comment_rest; - -/* - <comment_char_no_star> ::= All ASCII characters except "*" and "\0" -*/ -comment_char_no_star - '\x2B'-'\xFF' .or '\x01'-'\x29'; - -/* - <comment_end> ::= "*" "/" -*/ -comment_end - '*' .and '/'; - -/* - <identifier> ::= <identifier> -*/ -identifier - identifier_ne .error IDENTIFIER_EXPECTED; - -/* - <identifier_ne> ::= <first_idchar> <follow_idchar>* -*/ -identifier_ne - first_idchar .emit * .and .loop follow_idchar .emit * .and .true .emit '\0'; - -/* - <first_idchar> ::= "a"-"z" - | "A"-"Z" - | "_" -*/ -first_idchar - 'a'-'z' .or 'A'-'Z' .or '_'; - -/* - <follow_idchar> ::= <first_idchar> - | <digit_dec> -*/ -follow_idchar - first_idchar .or digit_dec; - -/* - <digit_dec> ::= "0"-"9" -*/ -digit_dec - '0'-'9'; - -/* - <semicolon> ::= ";" -*/ -semicolon - optional_space .and ';' .error MISSING_SEMICOLON .and optional_space; - -/* - <declaration_list> ::= <declaration> - | <declaration_list> <declaration> -*/ -declaration_list - declaration .and .loop declaration; - -/* - <declaration> ::= <emitcode_definition> - | <errortext_definition> - | <lexer_definition> - | <rule_definition> -*/ -declaration - emitcode_definition .emit DECLARATION_EMITCODE .or - errortext_definition .emit DECLARATION_ERRORTEXT .or - regbyte_definition .emit DECLARATION_REGBYTE .or - lexer_definition .emit DECLARATION_LEXER .or - rule_definition .emit DECLARATION_RULE; - -/* - <emitcode_definition> ::= ".emtcode" <identifier> <integer> -*/ -emitcode_definition - ".emtcode" .and space .and identifier .and space .and integer .and space_or_null; - -/* - <integer> ::= <integer_ne> -*/ -integer - integer_ne .error INTEGER_EXPECTED; - -/* - <integer_ne> ::= <hex_integer> - | <dec_integer> -*/ -integer_ne - hex_integer .emit 0x10 .or dec_integer .emit 10; - -/* - <hex_integer> :: <hex_prefix> <digit_hex> <digit_hex>* -*/ -hex_integer - hex_prefix .and digit_hex .emit * .and .loop digit_hex .emit * .and .true .emit '\0'; - -/* - <hex_prefix> ::= "0x" - | "0X" -*/ -hex_prefix - '0' .and hex_prefix_1; -hex_prefix_1 - 'x' .or 'X'; - -/* - <digit_hex> ::= "0"-"9" - | "a"-"f" - | "A"-"F" -*/ -digit_hex - '0'-'9' .or 'a'-'f' .or 'A'-'F'; - -/* - <dec_integer> :: <digit_dec> <digit_dec>* -*/ -dec_integer - digit_dec .emit * .and .loop digit_dec .emit * .and .true .emit '\0'; - -/* - <space_or_null> ::= <space> - | "\0" -*/ -space_or_null - space .or '\0'; - -/* - <errortext_definition> ::= ".errtext" <identifier> <string> -*/ -errortext_definition - ".errtext" .and space .and identifier .and space .and string .and space_or_null; - -/* - <string> ::= <string_ne> -*/ -string - string_ne .error STRING_EXPECTED; - -/* - <string_ne> ::= "\"" <string_char_double_quotes> "\"" -*/ -string_ne - '"' .and .loop string_char_double_quotes .and '"' .emit '\0'; - -/* - <string_char_double_quotes> ::= <escape_sequence> - | <string_char> - | "\'" -*/ -string_char_double_quotes - escape_sequence .or string_char .emit * .or '\'' .emit *; - -/* - <string_char> ::= All ASCII characters except "\'", "\"", "\n", "\r", - "\0" and "\\" -*/ -string_char - '\x5D'-'\xFF' .or '\x28'-'\x5B' .or '\x23'-'\x26' .or '\x0E'-'\x21' .or '\x0B'-'\x0C' .or - '\x01'-'\x09'; - -/* - <escape_sequence> ::= "\\" <escape_code> -*/ -escape_sequence - '\\' .emit * .and escape_code; - -/* - <escape_code> ::= <simple_escape_code> - | <hex_escape_code> - | <oct_escape_code> -*/ -escape_code - simple_escape_code .emit * .or hex_escape_code .or oct_escape_code; - -/* - <simple_escape_code> ::= "\'" - | "\"" - | "?" - | "\\" - | "a" - | "b" - | "f" - | "n" - | "r" - | "t" - | "v" -*/ -simple_escape_code - '\'' .or '"' .or '?' .or '\\' .or 'a' .or 'b' .or 'f' .or 'n' .or 'r' .or 't' .or 'v'; - -/* - <hex_escape_code> ::= "x" <digit_hex> <digit_hex>* -*/ -hex_escape_code - 'x' .emit * .and digit_hex .emit * .and .loop digit_hex .emit *; - -/* - <oct_escape_code> ::= <digit_oct> <optional_digit_oct> <optional_digit_oct> -*/ -oct_escape_code - digit_oct .emit * .and optional_digit_oct .and optional_digit_oct; - -/* - <digit_oct> ::= "0"-"7" -*/ -digit_oct - '0'-'7'; - -/* - <optional_digit_oct> ::= <digit_oct> - | "" -*/ -optional_digit_oct - digit_oct .emit * .or .true; - -/* - <regbyte_definition> ::= ".regbyte" <identifier> <integer> -*/ -regbyte_definition - ".regbyte" .and space .and identifier .and space .and integer .and space_or_null; - -/* - <lexer_definition> ::= ".string" <identifier> ";" -*/ -lexer_definition - ".string" .and space .and identifier .and semicolon; - -/* - <rule_definition> ::= <identifier_ne> <definition> -*/ -rule_definition - identifier_ne .and space .and definition; - -/* - <definition> ::= <specifier> <optional_specifiers_and_or> ";" -*/ -definition - specifier .and optional_specifiers_and_or .and semicolon .emit SPECIFIER_END; - -/* - <optional_specifiers_and_or> ::= <and_specifiers> - | <or_specifiers> - | "" -*/ -optional_specifiers_and_or - and_specifiers .emit SPECIFIER_AND_TAG .or or_specifiers .emit SPECIFIER_OR_TAG .or .true; - -/* - <specifier> ::= <specifier_condition> <specifier_rule> -*/ -specifier - specifier_condition .and optional_space .and specifier_rule; - -/* - <specifier_condition> ::= ".if" "(" <left_operand> <operator> <right_operand> ")" -*/ -specifier_condition - specifier_condition_1 .or .true; -specifier_condition_1 - ".if" .and optional_space .and '(' .and optional_space .and left_operand .and operator .and - right_operand .and optional_space .and ')'; - -/* - <left_operand> ::= <identifier> -*/ -left_operand - identifier; - -/* - <operator> ::= "!=" - | "==" -*/ -operator - operator_1 .or operator_2; -operator_1 - optional_space .and '!' .and '=' .and optional_space; -operator_2 - optional_space .and '=' .and '=' .and optional_space; - -/* - <right_operand> ::= <integer> -*/ -right_operand - integer; - -/* - <specifier_rule> ::= <character_range> <optional_error> <emit>* - | <character> <optional_error> <emit>* - | <string> <optional_error> <emit>* - | ".true" <optional_error> <emit>* - | ".false" <optional_error> <emit>* - | ".debug" <optional_error> <emit>* - | <advanced_identifier> <optional_error> <emit>* -*/ -specifier_rule - specifier_rule_1 .and optional_error .and .loop emit .and .true .emit EMIT_NULL; -specifier_rule_1 - character_range .emit SPECIFIER_CHARACTER_RANGE .or - character .emit SPECIFIER_CHARACTER .or - string_ne .emit SPECIFIER_STRING .or - ".true" .emit SPECIFIER_TRUE .or - ".false" .emit SPECIFIER_FALSE .or - ".debug" .emit SPECIFIER_DEBUG .or - advanced_identifier .emit SPECIFIER_IDENTIFIER; - -/* - <character> ::= "\'" <string_char_single_quotes "\'" -*/ -character - '\'' .and string_char_single_quotes .and '\'' .emit '\0'; - -/* - <string_char_single_quotes> ::= <escape_sequence> - | <string_char> - | "\"" -*/ -string_char_single_quotes - escape_sequence .or string_char .emit * .or '"' .emit *; - -/* - <character_range> ::= <character> "-" <character> -*/ -character_range - character .and optional_space .and '-' .and optional_space .and character; - -/* - <advanced_identifier> ::= <optional_loop> <identifier> -*/ -advanced_identifier - optional_loop .and identifier; - -/* - <optional_loop> ::= ".loop" - | "" -*/ -optional_loop - optional_loop_1 .emit IDENTIFIER_LOOP .or .true .emit IDENTIFIER_SIMPLE; -optional_loop_1 - ".loop" .and space; - -/* - <optional_error> ::= <error> - | "" -*/ -optional_error - error .emit ERROR_PRESENT .or .true .emit ERROR_NOT_PRESENT; - -/* - <error> :: ".error" <identifier> -*/ -error - space .and ".error" .and space .and identifier; - -/* - <emit> ::= <emit_output> - | <emit_regbyte> -*/ -emit - emit_output .or emit_regbyte; - -/* - <emit_output> ::= ".emit" <emit_param> -*/ -emit_output - space .and ".emit" .and space .and emit_param; - -/* - <emit_param> ::= <integer> - | <identifier> - | <character> - | "*" - | "$" -*/ -emit_param - integer_ne .emit EMIT_INTEGER .or - identifier_ne .emit EMIT_IDENTIFIER .or - character .emit EMIT_CHARACTER .or - '*' .emit EMIT_LAST_CHARACTER .or - '$' .emit EMIT_CURRENT_POSITION; - -/* - <emit_regbyte> ::= ".load" <identifier> <emit_param> -*/ -emit_regbyte - space .and ".load" .and space .and identifier .and space .and emit_param; - -/* - <and_specifiers> ::= <and_specifier> <and_specifier>* -*/ -and_specifiers - and_specifier .and .loop and_specifier; - -/* - <or_specifiers> ::= <or_specifier> <or_specifier>* -*/ -or_specifiers - or_specifier .and .loop or_specifier; - -/* - <and_specifier> ::= ".and" <specifier> -*/ -and_specifier - space .and ".and" .and space .and specifier; - -/* - <or_specifier> ::= ".or" <specifier> -*/ -or_specifier - space .and ".or" .and space .and specifier; - - -.string __string_filter; - -/* - <__string_filter> ::= <__first_identifier_char> <__next_identifier_char>* -*/ -__string_filter - __first_identifier_char .and .loop __next_identifier_char; - -/* - <__first_identifier_char> ::= "a"-"z" - | "A"-"Z" - | "_" - | "." -*/ -__first_identifier_char - 'a'-'z' .or 'A'-'Z' .or '_' .or '.'; - -/* - <__next_identifier_char> ::= "a"-"z" - | "A"-"Z" - | "_" - | "0"-"9" -*/ -__next_identifier_char - 'a'-'z' .or 'A'-'Z' .or '_' .or '0'-'9'; - |