slang: Adapt shader syntax description to grammar parser changes.

This commit is contained in:
Michal Krol 2009-09-07 21:30:34 +02:00
parent ce9309d245
commit 5ddcdc4227
2 changed files with 78 additions and 303 deletions

View file

@ -1412,83 +1412,18 @@ function_definition
* helper rules, not part of the official language syntax
*/
digit_oct
'0'-'7';
digit_dec
'0'-'9';
digit_hex
'0'-'9' .or 'A'-'F' .or 'a'-'f';
id_character_first
'a'-'z' .or 'A'-'Z' .or '_';
id_character_next
id_character_first .or digit_dec;
identifier
id_character_first .emit * .and .loop id_character_next .emit * .and .true .emit '\0';
"@ID" .emit *;
float
float_1 .or float_2 .or float_3;
float_1
float_fractional_constant .and float_optional_exponent_part .and optional_f_suffix;
float_2
float_digit_sequence .and .true .emit '\0' .and float_exponent_part .and optional_f_suffix;
float_3
float_digit_sequence .and .true .emit '\0' .and 'f' .emit '\0';
float_fractional_constant
float_fractional_constant_1 .or float_fractional_constant_2 .or float_fractional_constant_3;
float_fractional_constant_1
float_digit_sequence .and '.' .and float_digit_sequence;
float_fractional_constant_2
float_digit_sequence .and '.' .and .true .emit '\0';
float_fractional_constant_3
'.' .emit '\0' .and float_digit_sequence;
float_optional_exponent_part
float_exponent_part .or .true .emit '\0';
float_digit_sequence
digit_dec .emit * .and .loop digit_dec .emit * .and .true .emit '\0';
float_exponent_part
float_exponent_part_1 .or float_exponent_part_2;
float_exponent_part_1
'e' .and float_optional_sign .and float_digit_sequence;
float_exponent_part_2
'E' .and float_optional_sign .and float_digit_sequence;
float_optional_sign
float_sign .or .true;
float_sign
'+' .or '-' .emit '-';
optional_f_suffix
'f' .or .true;
"@NUM" .emit *;
integer
integer_hex .or integer_oct .or integer_dec;
integer_hex
'0' .and integer_hex_1 .emit 0x10 .and digit_hex .emit * .and .loop digit_hex .emit * .and
.true .emit '\0';
integer_hex_1
'x' .or 'X';
integer_oct
'0' .emit 8 .emit * .and .loop digit_oct .emit * .and .true .emit '\0';
integer_dec
digit_dec .emit 10 .emit * .and .loop digit_dec .emit * .and .true .emit '\0';
"@NUM" .emit *;
boolean
"true" .emit 2 .emit '1' .emit '\0' .or
"false" .emit 2 .emit '0' .emit '\0';
"true" .emit '1' .emit '\0' .or
"false" .emit '0' .emit '\0';
type_name
identifier;
@ -1506,53 +1441,10 @@ boolconstant
boolean .emit OP_PUSH_BOOL;
optional_space
.loop single_space;
.true;
space
single_space .and .loop single_space;
single_space
white_char .or c_style_comment_block .or cpp_style_comment_block;
white_char
' ' .or '\t' .or new_line .or '\v' .or '\f';
new_line
cr_lf .or lf_cr .or '\n' .or '\r';
cr_lf
'\r' .and '\n';
lf_cr
'\n' .and '\r';
c_style_comment_block
'/' .and '*' .and c_style_comment_rest;
c_style_comment_rest
.loop c_style_comment_char_no_star .and c_style_comment_rest_1;
c_style_comment_rest_1
c_style_comment_end .or c_style_comment_rest_2;
c_style_comment_rest_2
'*' .and c_style_comment_rest;
c_style_comment_char_no_star
'\x2B'-'\xFF' .or '\x01'-'\x29';
c_style_comment_end
'*' .and '/';
cpp_style_comment_block
'/' .and '/' .and cpp_style_comment_block_1;
cpp_style_comment_block_1
cpp_style_comment_block_2 .or cpp_style_comment_block_3;
cpp_style_comment_block_2
.loop cpp_style_comment_char .and new_line;
cpp_style_comment_block_3
.loop cpp_style_comment_char;
cpp_style_comment_char
'\x0E'-'\xFF' .or '\x01'-'\x09' .or '\x0B'-'\x0C';
.true;
/* lexical rules */
@ -1560,7 +1452,7 @@ cpp_style_comment_char
optional_space .and '&' .and optional_space;*/
ampersandampersand
optional_space .and '&' .and '&' .and optional_space;
"@&&";
/*ampersandequals
optional_space .and '&' .and '=' .and optional_space;*/
@ -1569,46 +1461,46 @@ ampersandampersand
optional_space .and '|' .and optional_space;*/
barbar
optional_space .and '|' .and '|' .and optional_space;
"@||";
/*barequals
optional_space .and '|' .and '=' .and optional_space;*/
bang
optional_space .and '!' .and optional_space;
"@!";
bangequals
optional_space .and '!' .and '=' .and optional_space;
"@!=";
/*caret
optional_space .and '^' .and optional_space;*/
caretcaret
optional_space .and '^' .and '^' .and optional_space;
"@^^";
/*caretequals
optional_space .and '^' .and '=' .and optional_space;*/
colon
optional_space .and ':' .and optional_space;
"@:";
comma
optional_space .and ',' .and optional_space;
"@,";
dot
optional_space .and '.' .and optional_space;
"@.";
equals
optional_space .and '=' .and optional_space;
"@=";
equalsequals
optional_space .and '=' .and '=' .and optional_space;
"@==";
greater
optional_space .and '>' .and optional_space;
"@>";
greaterequals
optional_space .and '>' .and '=' .and optional_space;
"@>=";
/*greatergreater
optional_space .and '>' .and '>' .and optional_space;*/
@ -1617,16 +1509,16 @@ greaterequals
optional_space .and '>' .and '>' .and '=' .and optional_space;*/
lbrace
optional_space .and '{' .and optional_space;
"@{";
lbracket
optional_space .and '[' .and optional_space;
"@[";
less
optional_space .and '<' .and optional_space;
"@<";
lessequals
optional_space .and '<' .and '=' .and optional_space;
"@<=";
/*lessless
optional_space .and '<' .and '<' .and optional_space;*/
@ -1635,16 +1527,16 @@ lessequals
optional_space .and '<' .and '<' .and '=' .and optional_space;*/
lparen
optional_space .and '(' .and optional_space;
"@(";
minus
optional_space .and '-' .and optional_space;
"@-";
minusequals
optional_space .and '-' .and '=' .and optional_space;
"@-=";
minusminus
optional_space .and '-' .and '-' .and optional_space;
"@--";
/*percent
optional_space .and '%' .and optional_space;*/
@ -1653,64 +1545,41 @@ minusminus
optional_space .and '%' .and '=' .and optional_space;*/
plus
optional_space .and '+' .and optional_space;
"@+";
plusequals
optional_space .and '+' .and '=' .and optional_space;
"@+=";
plusplus
optional_space .and '+' .and '+' .and optional_space;
"@++";
question
optional_space .and '?' .and optional_space;
"@?";
rbrace
optional_space .and '}' .and optional_space;
"@}";
rbracket
optional_space .and ']' .and optional_space;
"@]";
rparen
optional_space .and ')' .and optional_space;
"@)";
semicolon
optional_space .and ';' .and optional_space;
"@;";
slash
optional_space .and '/' .and optional_space;
"@/";
slashequals
optional_space .and '/' .and '=' .and optional_space;
"@/=";
star
optional_space .and '*' .and optional_space;
"@*";
starequals
optional_space .and '*' .and '=' .and optional_space;
"@*=";
/*tilde
optional_space .and '~' .and optional_space;*/
/* string rules - these are used internally by the parser when parsing quoted strings */
.string string_lexer;
string_lexer
lex_first_identifier_character .and .loop lex_next_identifier_character;
lex_first_identifier_character
'a'-'z' .or 'A'-'Z' .or '_';
lex_next_identifier_character
'a'-'z' .or 'A'-'Z' .or '0'-'9' .or '_';
/* error rules - these are used by error messages */
err_token
'~' .or '`' .or '!' .or '@' .or '#' .or '$' .or '%' .or '^' .or '&' .or '*' .or '(' .or ')' .or
'-' .or '+' .or '=' .or '|' .or '\\' .or '[' .or ']' .or '{' .or '}' .or ':' .or ';' .or '"' .or
'\'' .or '<' .or ',' .or '>' .or '.' .or '/' .or '?' .or err_identifier;
err_identifier
id_character_first .and .loop id_character_next;

View file

@ -682,64 +682,15 @@
" \"invariant\" .and space .and identifier .and semicolon;\n"
"function_definition\n"
" function_prototype .and compound_statement_no_new_scope;\n"
"digit_oct\n"
" '0'-'7';\n"
"digit_dec\n"
" '0'-'9';\n"
"digit_hex\n"
" '0'-'9' .or 'A'-'F' .or 'a'-'f';\n"
"id_character_first\n"
" 'a'-'z' .or 'A'-'Z' .or '_';\n"
"id_character_next\n"
" id_character_first .or digit_dec;\n"
"identifier\n"
" id_character_first .emit * .and .loop id_character_next .emit * .and .true .emit '\\0';\n"
" \"@ID\" .emit *;\n"
"float\n"
" float_1 .or float_2 .or float_3;\n"
"float_1\n"
" float_fractional_constant .and float_optional_exponent_part .and optional_f_suffix;\n"
"float_2\n"
" float_digit_sequence .and .true .emit '\\0' .and float_exponent_part .and optional_f_suffix;\n"
"float_3\n"
" float_digit_sequence .and .true .emit '\\0' .and 'f' .emit '\\0';\n"
"float_fractional_constant\n"
" float_fractional_constant_1 .or float_fractional_constant_2 .or float_fractional_constant_3;\n"
"float_fractional_constant_1\n"
" float_digit_sequence .and '.' .and float_digit_sequence;\n"
"float_fractional_constant_2\n"
" float_digit_sequence .and '.' .and .true .emit '\\0';\n"
"float_fractional_constant_3\n"
" '.' .emit '\\0' .and float_digit_sequence;\n"
"float_optional_exponent_part\n"
" float_exponent_part .or .true .emit '\\0';\n"
"float_digit_sequence\n"
" digit_dec .emit * .and .loop digit_dec .emit * .and .true .emit '\\0';\n"
"float_exponent_part\n"
" float_exponent_part_1 .or float_exponent_part_2;\n"
"float_exponent_part_1\n"
" 'e' .and float_optional_sign .and float_digit_sequence;\n"
"float_exponent_part_2\n"
" 'E' .and float_optional_sign .and float_digit_sequence;\n"
"float_optional_sign\n"
" float_sign .or .true;\n"
"float_sign\n"
" '+' .or '-' .emit '-';\n"
"optional_f_suffix\n"
" 'f' .or .true;\n"
" \"@NUM\" .emit *;\n"
"integer\n"
" integer_hex .or integer_oct .or integer_dec;\n"
"integer_hex\n"
" '0' .and integer_hex_1 .emit 0x10 .and digit_hex .emit * .and .loop digit_hex .emit * .and\n"
" .true .emit '\\0';\n"
"integer_hex_1\n"
" 'x' .or 'X';\n"
"integer_oct\n"
" '0' .emit 8 .emit * .and .loop digit_oct .emit * .and .true .emit '\\0';\n"
"integer_dec\n"
" digit_dec .emit 10 .emit * .and .loop digit_dec .emit * .and .true .emit '\\0';\n"
" \"@NUM\" .emit *;\n"
"boolean\n"
" \"true\" .emit 2 .emit '1' .emit '\\0' .or\n"
" \"false\" .emit 2 .emit '0' .emit '\\0';\n"
" \"true\" .emit '1' .emit '\\0' .or\n"
" \"false\" .emit '0' .emit '\\0';\n"
"type_name\n"
" identifier;\n"
"field_selection\n"
@ -751,116 +702,71 @@
"boolconstant\n"
" boolean .emit OP_PUSH_BOOL;\n"
"optional_space\n"
" .loop single_space;\n"
" .true;\n"
"space\n"
" single_space .and .loop single_space;\n"
"single_space\n"
" white_char .or c_style_comment_block .or cpp_style_comment_block;\n"
"white_char\n"
" ' ' .or '\\t' .or new_line .or '\\v' .or '\\f';\n"
"new_line\n"
" cr_lf .or lf_cr .or '\\n' .or '\\r';\n"
"cr_lf\n"
" '\\r' .and '\\n';\n"
"lf_cr\n"
" '\\n' .and '\\r';\n"
"c_style_comment_block\n"
" '/' .and '*' .and c_style_comment_rest;\n"
"c_style_comment_rest\n"
" .loop c_style_comment_char_no_star .and c_style_comment_rest_1;\n"
"c_style_comment_rest_1\n"
" c_style_comment_end .or c_style_comment_rest_2;\n"
"c_style_comment_rest_2\n"
" '*' .and c_style_comment_rest;\n"
"c_style_comment_char_no_star\n"
" '\\x2B'-'\\xFF' .or '\\x01'-'\\x29';\n"
"c_style_comment_end\n"
" '*' .and '/';\n"
"cpp_style_comment_block\n"
" '/' .and '/' .and cpp_style_comment_block_1;\n"
"cpp_style_comment_block_1\n"
" cpp_style_comment_block_2 .or cpp_style_comment_block_3;\n"
"cpp_style_comment_block_2\n"
" .loop cpp_style_comment_char .and new_line;\n"
"cpp_style_comment_block_3\n"
" .loop cpp_style_comment_char;\n"
"cpp_style_comment_char\n"
" '\\x0E'-'\\xFF' .or '\\x01'-'\\x09' .or '\\x0B'-'\\x0C';\n"
" .true;\n"
"ampersandampersand\n"
" optional_space .and '&' .and '&' .and optional_space;\n"
" \"@&&\";\n"
"barbar\n"
" optional_space .and '|' .and '|' .and optional_space;\n"
" \"@||\";\n"
"bang\n"
" optional_space .and '!' .and optional_space;\n"
" \"@!\";\n"
"bangequals\n"
" optional_space .and '!' .and '=' .and optional_space;\n"
" \"@!=\";\n"
"caretcaret\n"
" optional_space .and '^' .and '^' .and optional_space;\n"
" \"@^^\";\n"
"colon\n"
" optional_space .and ':' .and optional_space;\n"
" \"@:\";\n"
"comma\n"
" optional_space .and ',' .and optional_space;\n"
" \"@,\";\n"
"dot\n"
" optional_space .and '.' .and optional_space;\n"
" \"@.\";\n"
"equals\n"
" optional_space .and '=' .and optional_space;\n"
" \"@=\";\n"
"equalsequals\n"
" optional_space .and '=' .and '=' .and optional_space;\n"
" \"@==\";\n"
"greater\n"
" optional_space .and '>' .and optional_space;\n"
" \"@>\";\n"
"greaterequals\n"
" optional_space .and '>' .and '=' .and optional_space;\n"
" \"@>=\";\n"
"lbrace\n"
" optional_space .and '{' .and optional_space;\n"
" \"@{\";\n"
"lbracket\n"
" optional_space .and '[' .and optional_space;\n"
" \"@[\";\n"
"less\n"
" optional_space .and '<' .and optional_space;\n"
" \"@<\";\n"
"lessequals\n"
" optional_space .and '<' .and '=' .and optional_space;\n"
" \"@<=\";\n"
"lparen\n"
" optional_space .and '(' .and optional_space;\n"
" \"@(\";\n"
"minus\n"
" optional_space .and '-' .and optional_space;\n"
" \"@-\";\n"
"minusequals\n"
" optional_space .and '-' .and '=' .and optional_space;\n"
" \"@-=\";\n"
"minusminus\n"
" optional_space .and '-' .and '-' .and optional_space;\n"
" \"@--\";\n"
"plus\n"
" optional_space .and '+' .and optional_space;\n"
" \"@+\";\n"
"plusequals\n"
" optional_space .and '+' .and '=' .and optional_space;\n"
" \"@+=\";\n"
"plusplus\n"
" optional_space .and '+' .and '+' .and optional_space;\n"
" \"@++\";\n"
"question\n"
" optional_space .and '?' .and optional_space;\n"
" \"@?\";\n"
"rbrace\n"
" optional_space .and '}' .and optional_space;\n"
" \"@}\";\n"
"rbracket\n"
" optional_space .and ']' .and optional_space;\n"
" \"@]\";\n"
"rparen\n"
" optional_space .and ')' .and optional_space;\n"
" \"@)\";\n"
"semicolon\n"
" optional_space .and ';' .and optional_space;\n"
" \"@;\";\n"
"slash\n"
" optional_space .and '/' .and optional_space;\n"
" \"@/\";\n"
"slashequals\n"
" optional_space .and '/' .and '=' .and optional_space;\n"
" \"@/=\";\n"
"star\n"
" optional_space .and '*' .and optional_space;\n"
" \"@*\";\n"
"starequals\n"
" optional_space .and '*' .and '=' .and optional_space;\n"
".string string_lexer;\n"
"string_lexer\n"
" lex_first_identifier_character .and .loop lex_next_identifier_character;\n"
"lex_first_identifier_character\n"
" 'a'-'z' .or 'A'-'Z' .or '_';\n"
"lex_next_identifier_character\n"
" 'a'-'z' .or 'A'-'Z' .or '0'-'9' .or '_';\n"
"err_token\n"
" '~' .or '`' .or '!' .or '@' .or '#' .or '$' .or '%' .or '^' .or '&' .or '*' .or '(' .or ')' .or\n"
" '-' .or '+' .or '=' .or '|' .or '\\\\' .or '[' .or ']' .or '{' .or '}' .or ':' .or ';' .or '\"' .or\n"
" '\\'' .or '<' .or ',' .or '>' .or '.' .or '/' .or '?' .or err_identifier;\n"
"err_identifier\n"
" id_character_first .and .loop id_character_next;\n"
" \"@*=\";\n"
""