diff options
| author | Ian Romanick <[email protected]> | 2009-09-10 14:35:33 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2009-09-10 14:35:33 -0700 |
| commit | 0e7953366f2a8ab1b0e885d94f6635c7640b3cc7 (patch) | |
| tree | ac6e912342a7a6b3d8c1af31f1918d99fa00221c /src/mesa/shader/program_parse.y | |
| parent | d0adebb8d5ef680590b0f281a20516318c0b8b62 (diff) | |
ARB prog parser: Differentiate between used and unused names in the lexer
The lexer will return IDENTIFIER only when the name does not have an
associated symbol. Otherwise USED_IDENTIFIER is returned.
Diffstat (limited to 'src/mesa/shader/program_parse.y')
| -rw-r--r-- | src/mesa/shader/program_parse.y | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y index 51cc9f7f119..d6bac07081c 100644 --- a/src/mesa/shader/program_parse.y +++ b/src/mesa/shader/program_parse.y @@ -178,7 +178,8 @@ static struct asm_instruction *asm_instruction_copy_ctor( %token VERTEX VTXATTRIB %token WEIGHT -%token <string> IDENTIFIER +%token <string> IDENTIFIER USED_IDENTIFIER +%type <string> string %token <swiz_mask> MASK4 MASK3 MASK2 MASK1 SWIZZLE %token DOT_DOT %token DOT @@ -289,7 +290,7 @@ optionSequence: optionSequence option | ; -option: OPTION IDENTIFIER ';' +option: OPTION string ';' { int valid = 0; @@ -692,7 +693,7 @@ extSwizSel: INTEGER $$.xyzw_valid = 1; $$.rgba_valid = 1; } - | IDENTIFIER + | string { if (strlen($1) > 1) { yyerror(& @1, state, "invalid extended swizzle selector"); @@ -742,7 +743,7 @@ extSwizSel: INTEGER } ; -srcReg: IDENTIFIER /* temporaryReg | progParamSingle */ +srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */ { struct asm_symbol *const s = (struct asm_symbol *) _mesa_symbol_table_find_symbol(state->st, 0, $1); @@ -832,7 +833,7 @@ dstReg: resultBinding $$.File = PROGRAM_OUTPUT; $$.Index = $1; } - | IDENTIFIER /* temporaryReg | vertexResultReg */ + | USED_IDENTIFIER /* temporaryReg | vertexResultReg */ { struct asm_symbol *const s = (struct asm_symbol *) _mesa_symbol_table_find_symbol(state->st, 0, $1); @@ -863,7 +864,7 @@ dstReg: resultBinding } ; -progParamArray: IDENTIFIER +progParamArray: USED_IDENTIFIER { struct asm_symbol *const s = (struct asm_symbol *) _mesa_symbol_table_find_symbol(state->st, 0, $1); @@ -930,7 +931,7 @@ addrRegNegOffset: INTEGER } ; -addrReg: IDENTIFIER +addrReg: USED_IDENTIFIER { struct asm_symbol *const s = (struct asm_symbol *) _mesa_symbol_table_find_symbol(state->st, 0, $1); @@ -1814,7 +1815,7 @@ optionalSign: '+' { $$ = FALSE; } TEMP_statement: optVarSize TEMP { $<integer>$ = $2; } varNameList ; -optVarSize: IDENTIFIER +optVarSize: string { /* NV_fragment_program_option defines the size qualifiers in a * fairly broken way. "SHORT" or "LONG" can optionally be used @@ -2045,7 +2046,7 @@ legacyTexUnitNum: INTEGER } ; -ALIAS_statement: ALIAS IDENTIFIER '=' IDENTIFIER +ALIAS_statement: ALIAS IDENTIFIER '=' USED_IDENTIFIER { struct asm_symbol *exist = (struct asm_symbol *) _mesa_symbol_table_find_symbol(state->st, 0, $2); @@ -2066,6 +2067,10 @@ ALIAS_statement: ALIAS IDENTIFIER '=' IDENTIFIER } ; +string: IDENTIFIER + | USED_IDENTIFIER + ; + %% void |