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.

1 files changed, 185 insertions, 181 deletions

diff --git a/src/mesa/shader/lex.yy.c b/src/mesa/shader/lex.yy.c
index d71a13c3bd7..959eb854d62 100644
--- a/src/mesa/shader/lex.yy.c
+++ b/src/mesa/shader/lex.yy.c
@@ -1052,8 +1052,7 @@ static yyconst flex_int16_t yy_chk[1352] =
       if (condition) {					\
 	 return token;					\
       } else {						\
-	 yylval->string = strdup(yytext);		\
-	 return IDENTIFIER;				\
+	 return handle_ident(yyextra, yytext, yylval);	\
       }							\
    } while (0)
 
@@ -1077,8 +1076,7 @@ static yyconst flex_int16_t yy_chk[1352] =
 	 yylval->temp_inst.Opcode = OPCODE_ ## opcode;	\
 	 return token;					\
       } else {						\
-	 yylval->string = strdup(yytext);		\
-	 return IDENTIFIER;				\
+	 return handle_ident(yyextra, yytext, yylval);	\
       }							\
    } while (0)
 
@@ -1127,6 +1125,15 @@ swiz_from_char(char c)
    return 0;
 }
 
+static int
+handle_ident(struct asm_parser_state *state, const char *text, YYSTYPE *lval)
+{
+   lval->string = strdup(text);
+
+   return (_mesa_symbol_table_find_symbol(state->st, 0, text) == NULL)
+      ? IDENTIFIER : USED_IDENTIFIER;
+}
+
 #define YY_USER_ACTION							\
    do {									\
       yylloc->first_column = yylloc->last_column;			\
@@ -1140,7 +1147,7 @@ swiz_from_char(char c)
    } while(0);
 
 #define YY_EXTRA_TYPE struct asm_parser_state *
-#line 1144 "lex.yy.c"
+#line 1151 "lex.yy.c"
 
 #define INITIAL 0
 
@@ -1386,10 +1393,10 @@ YY_DECL
 	register int yy_act;
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
-#line 143 "program_lexer.l"
+#line 150 "program_lexer.l"
 
 
-#line 1393 "lex.yy.c"
+#line 1400 "lex.yy.c"
 
     yylval = yylval_param;
 
@@ -1478,17 +1485,17 @@ do_action:	/* This label is used only to access EOF actions. */
 
 case 1:
 YY_RULE_SETUP
-#line 145 "program_lexer.l"
+#line 152 "program_lexer.l"
 { return ARBvp_10; }
 	YY_BREAK
 case 2:
 YY_RULE_SETUP
-#line 146 "program_lexer.l"
+#line 153 "program_lexer.l"
 { return ARBfp_10; }
 	YY_BREAK
 case 3:
 YY_RULE_SETUP
-#line 147 "program_lexer.l"
+#line 154 "program_lexer.l"
 {
    yylval->integer = at_address;
    return_token_or_IDENTIFIER(require_ARB_vp, ADDRESS);
@@ -1496,685 +1503,682 @@ YY_RULE_SETUP
 	YY_BREAK
 case 4:
 YY_RULE_SETUP
-#line 151 "program_lexer.l"
+#line 158 "program_lexer.l"
 { return ALIAS; }
 	YY_BREAK
 case 5:
 YY_RULE_SETUP
-#line 152 "program_lexer.l"
+#line 159 "program_lexer.l"
 { return ATTRIB; }
 	YY_BREAK
 case 6:
 YY_RULE_SETUP
-#line 153 "program_lexer.l"
+#line 160 "program_lexer.l"
 { return END; }
 	YY_BREAK
 case 7:
 YY_RULE_SETUP
-#line 154 "program_lexer.l"
+#line 161 "program_lexer.l"
 { return OPTION; }
 	YY_BREAK
 case 8:
 YY_RULE_SETUP
-#line 155 "program_lexer.l"
+#line 162 "program_lexer.l"
 { return OUTPUT; }
 	YY_BREAK
 case 9:
 YY_RULE_SETUP
-#line 156 "program_lexer.l"
+#line 163 "program_lexer.l"
 { return PARAM; }
 	YY_BREAK
 case 10:
 YY_RULE_SETUP
-#line 157 "program_lexer.l"
+#line 164 "program_lexer.l"
 { yylval->integer = at_temp; return TEMP; }
 	YY_BREAK
 case 11:
 YY_RULE_SETUP
-#line 159 "program_lexer.l"
+#line 166 "program_lexer.l"
 { return_opcode(             1, VECTOR_OP, ABS, 3); }
 	YY_BREAK
 case 12:
 YY_RULE_SETUP
-#line 160 "program_lexer.l"
+#line 167 "program_lexer.l"
 { return_opcode(             1, BIN_OP, ADD, 3); }
 	YY_BREAK
 case 13:
 YY_RULE_SETUP
-#line 161 "program_lexer.l"
+#line 168 "program_lexer.l"
 { return_opcode(require_ARB_vp, ARL, ARL, 3); }
 	YY_BREAK
 case 14:
 YY_RULE_SETUP
-#line 163 "program_lexer.l"
+#line 170 "program_lexer.l"
 { return_opcode(require_ARB_fp, TRI_OP, CMP, 3); }
 	YY_BREAK
 case 15:
 YY_RULE_SETUP
-#line 164 "program_lexer.l"
+#line 171 "program_lexer.l"
 { return_opcode(require_ARB_fp, SCALAR_OP, COS, 3); }
 	YY_BREAK
 case 16:
 YY_RULE_SETUP
-#line 166 "program_lexer.l"
+#line 173 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, DDX, 3); }
 	YY_BREAK
 case 17:
 YY_RULE_SETUP
-#line 167 "program_lexer.l"
+#line 174 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, DDY, 3); }
 	YY_BREAK
 case 18:
 YY_RULE_SETUP
-#line 168 "program_lexer.l"
+#line 175 "program_lexer.l"
 { return_opcode(             1, BIN_OP, DP3, 3); }
 	YY_BREAK
 case 19:
 YY_RULE_SETUP
-#line 169 "program_lexer.l"
+#line 176 "program_lexer.l"
 { return_opcode(             1, BIN_OP, DP4, 3); }
 	YY_BREAK
 case 20:
 YY_RULE_SETUP
-#line 170 "program_lexer.l"
+#line 177 "program_lexer.l"
 { return_opcode(             1, BIN_OP, DPH, 3); }
 	YY_BREAK
 case 21:
 YY_RULE_SETUP
-#line 171 "program_lexer.l"
+#line 178 "program_lexer.l"
 { return_opcode(             1, BIN_OP, DST, 3); }
 	YY_BREAK
 case 22:
 YY_RULE_SETUP
-#line 173 "program_lexer.l"
+#line 180 "program_lexer.l"
 { return_opcode(             1, SCALAR_OP, EX2, 3); }
 	YY_BREAK
 case 23:
 YY_RULE_SETUP
-#line 174 "program_lexer.l"
+#line 181 "program_lexer.l"
 { return_opcode(require_ARB_vp, SCALAR_OP, EXP, 3); }
 	YY_BREAK
 case 24:
 YY_RULE_SETUP
-#line 176 "program_lexer.l"
+#line 183 "program_lexer.l"
 { return_opcode(             1, VECTOR_OP, FLR, 3); }
 	YY_BREAK
 case 25:
 YY_RULE_SETUP
-#line 177 "program_lexer.l"
+#line 184 "program_lexer.l"
 { return_opcode(             1, VECTOR_OP, FRC, 3); }
 	YY_BREAK
 case 26:
 YY_RULE_SETUP
-#line 179 "program_lexer.l"
+#line 186 "program_lexer.l"
 { return_opcode(require_ARB_fp, KIL, KIL, 3); }
 	YY_BREAK
 case 27:
 YY_RULE_SETUP
-#line 181 "program_lexer.l"
+#line 188 "program_lexer.l"
 { return_opcode(             1, VECTOR_OP, LIT, 3); }
 	YY_BREAK
 case 28:
 YY_RULE_SETUP
-#line 182 "program_lexer.l"
+#line 189 "program_lexer.l"
 { return_opcode(             1, SCALAR_OP, LG2, 3); }
 	YY_BREAK
 case 29:
 YY_RULE_SETUP
-#line 183 "program_lexer.l"
+#line 190 "program_lexer.l"
 { return_opcode(require_ARB_vp, SCALAR_OP, LOG, 3); }
 	YY_BREAK
 case 30:
 YY_RULE_SETUP
-#line 184 "program_lexer.l"
+#line 191 "program_lexer.l"
 { return_opcode(require_ARB_fp, TRI_OP, LRP, 3); }
 	YY_BREAK
 case 31:
 YY_RULE_SETUP
-#line 186 "program_lexer.l"
+#line 193 "program_lexer.l"
 { return_opcode(             1, TRI_OP, MAD, 3); }
 	YY_BREAK
 case 32:
 YY_RULE_SETUP
-#line 187 "program_lexer.l"
+#line 194 "program_lexer.l"
 { return_opcode(             1, BIN_OP, MAX, 3); }
 	YY_BREAK
 case 33:
 YY_RULE_SETUP
-#line 188 "program_lexer.l"
+#line 195 "program_lexer.l"
 { return_opcode(             1, BIN_OP, MIN, 3); }
 	YY_BREAK
 case 34:
 YY_RULE_SETUP
-#line 189 "program_lexer.l"
+#line 196 "program_lexer.l"
 { return_opcode(             1, VECTOR_OP, MOV, 3); }
 	YY_BREAK
 case 35:
 YY_RULE_SETUP
-#line 190 "program_lexer.l"
+#line 197 "program_lexer.l"
 { return_opcode(             1, BIN_OP, MUL, 3); }
 	YY_BREAK
 case 36:
 YY_RULE_SETUP
-#line 192 "program_lexer.l"
+#line 199 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, PK2H, 4); }
 	YY_BREAK
 case 37:
 YY_RULE_SETUP
-#line 193 "program_lexer.l"
+#line 200 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, PK2US, 5); }
 	YY_BREAK
 case 38:
 YY_RULE_SETUP
-#line 194 "program_lexer.l"
+#line 201 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, PK4B, 4); }
 	YY_BREAK
 case 39:
 YY_RULE_SETUP
-#line 195 "program_lexer.l"
+#line 202 "program_lexer.l"
 { return_opcode(require_NV_fp,  VECTOR_OP, PK4UB, 5); }
 	YY_BREAK
 case 40:
 YY_RULE_SETUP
-#line 196 "program_lexer.l"
+#line 203 "program_lexer.l"
 { return_opcode(             1, BINSC_OP, POW, 3); }
 	YY_BREAK
 case 41:
 YY_RULE_SETUP
-#line 198 "program_lexer.l"
+#line 205 "program_lexer.l"
 { return_opcode(             1, SCALAR_OP, RCP, 3); }
 	YY_BREAK
 case 42:
 YY_RULE_SETUP
-#line 199 "program_lexer.l"
+#line 206 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP,    RFL, 3); }
 	YY_BREAK
 case 43:
 YY_RULE_SETUP
-#line 200 "program_lexer.l"
+#line 207 "program_lexer.l"
 { return_opcode(             1, SCALAR_OP, RSQ, 3); }
 	YY_BREAK
 case 44:
 YY_RULE_SETUP
-#line 202 "program_lexer.l"
+#line 209 "program_lexer.l"
 { return_opcode(require_ARB_fp, SCALAR_OP, SCS, 3); }
 	YY_BREAK
 case 45:
 YY_RULE_SETUP
-#line 203 "program_lexer.l"
+#line 210 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, SEQ, 3); }
 	YY_BREAK
 case 46:
 YY_RULE_SETUP
-#line 204 "program_lexer.l"
+#line 211 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, SFL, 3); }
 	YY_BREAK
 case 47:
 YY_RULE_SETUP
-#line 205 "program_lexer.l"
+#line 212 "program_lexer.l"
 { return_opcode(             1, BIN_OP, SGE, 3); }
 	YY_BREAK
 case 48:
 YY_RULE_SETUP
-#line 206 "program_lexer.l"
+#line 213 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, SGT, 3); }
 	YY_BREAK
 case 49:
 YY_RULE_SETUP
-#line 207 "program_lexer.l"
+#line 214 "program_lexer.l"
 { return_opcode(require_ARB_fp, SCALAR_OP, SIN, 3); }
 	YY_BREAK
 case 50:
 YY_RULE_SETUP
-#line 208 "program_lexer.l"
+#line 215 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, SLE, 3); }
 	YY_BREAK
 case 51:
 YY_RULE_SETUP
-#line 209 "program_lexer.l"
+#line 216 "program_lexer.l"
 { return_opcode(             1, BIN_OP, SLT, 3); }
 	YY_BREAK
 case 52:
 YY_RULE_SETUP
-#line 210 "program_lexer.l"
+#line 217 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, SNE, 3); }
 	YY_BREAK
 case 53:
 YY_RULE_SETUP
-#line 211 "program_lexer.l"
+#line 218 "program_lexer.l"
 { return_opcode(require_NV_fp,  BIN_OP, STR, 3); }
 	YY_BREAK
 case 54:
 YY_RULE_SETUP
-#line 212 "program_lexer.l"
+#line 219 "program_lexer.l"
 { return_opcode(             1, BIN_OP, SUB, 3); }
 	YY_BREAK
 case 55:
 YY_RULE_SETUP
-#line 213 "program_lexer.l"
+#line 220 "program_lexer.l"
 { return_opcode(             1, SWZ, SWZ, 3); }
 	YY_BREAK
 case 56:
 YY_RULE_SETUP
-#line 215 "program_lexer.l"
+#line 222 "program_lexer.l"
 { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, 3); }
 	YY_BREAK
 case 57:
 YY_RULE_SETUP
-#line 216 "program_lexer.l"
+#line 223 "program_lexer.l"
 { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, 3); }
 	YY_BREAK
 case 58:
 YY_RULE_SETUP
-#line 217 "program_lexer.l"
+#line 224 "program_lexer.l"
 { return_opcode(require_NV_fp,  TXD_OP, TXD, 3); }
 	YY_BREAK
 case 59:
 YY_RULE_SETUP
-#line 218 "program_lexer.l"
+#line 225 "program_lexer.l"
 { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, 3); }
 	YY_BREAK
 case 60:
 YY_RULE_SETUP
-#line 220 "program_lexer.l"
+#line 227 "program_lexer.l"
 { return_opcode(require_NV_fp,  SCALAR_OP, UP2H, 4); }
 	YY_BREAK
 case 61:
 YY_RULE_SETUP
-#line 221 "program_lexer.l"
+#line 228 "program_lexer.l"
 { return_opcode(require_NV_fp,  SCALAR_OP, UP2US, 5); }
 	YY_BREAK
 case 62:
 YY_RULE_SETUP
-#line 223 "program_lexer.l"
+#line 230 "program_lexer.l"
 { return_opcode(require_NV_fp,  TRI_OP, X2D, 3); }
 	YY_BREAK
 case 63:
 YY_RULE_SETUP
-#line 224 "program_lexer.l"
+#line 231 "program_lexer.l"
 { return_opcode(             1, BIN_OP, XPD, 3); }
 	YY_BREAK
 case 64:
 YY_RULE_SETUP
-#line 226 "program_lexer.l"
+#line 233 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_vp, VERTEX); }
 	YY_BREAK
 case 65:
 YY_RULE_SETUP
-#line 227 "program_lexer.l"
+#line 234 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, FRAGMENT); }
 	YY_BREAK
 case 66:
 YY_RULE_SETUP
-#line 228 "program_lexer.l"
+#line 235 "program_lexer.l"
 { return PROGRAM; }
 	YY_BREAK
 case 67:
 YY_RULE_SETUP
-#line 229 "program_lexer.l"
+#line 236 "program_lexer.l"
 { return STATE; }
 	YY_BREAK
 case 68:
 YY_RULE_SETUP
-#line 230 "program_lexer.l"
+#line 237 "program_lexer.l"
 { return RESULT; }
 	YY_BREAK
 case 69:
 YY_RULE_SETUP
-#line 232 "program_lexer.l"
+#line 239 "program_lexer.l"
 { return AMBIENT; }
 	YY_BREAK
 case 70:
 YY_RULE_SETUP
-#line 233 "program_lexer.l"
+#line 240 "program_lexer.l"
 { return ATTENUATION; }
 	YY_BREAK
 case 71:
 YY_RULE_SETUP
-#line 234 "program_lexer.l"
+#line 241 "program_lexer.l"
 { return BACK; }
 	YY_BREAK
 case 72:
 YY_RULE_SETUP
-#line 235 "program_lexer.l"
+#line 242 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, CLIP); }
 	YY_BREAK
 case 73:
 YY_RULE_SETUP
-#line 236 "program_lexer.l"
+#line 243 "program_lexer.l"
 { return COLOR; }
 	YY_BREAK
 case 74:
 YY_RULE_SETUP
-#line 237 "program_lexer.l"
+#line 244 "program_lexer.l"
 { return_token_or_DOT(require_ARB_fp, DEPTH); }
 	YY_BREAK
 case 75:
 YY_RULE_SETUP
-#line 238 "program_lexer.l"
+#line 245 "program_lexer.l"
 { return DIFFUSE; }
 	YY_BREAK
 case 76:
 YY_RULE_SETUP
-#line 239 "program_lexer.l"
+#line 246 "program_lexer.l"
 { return DIRECTION; }
 	YY_BREAK
 case 77:
 YY_RULE_SETUP
-#line 240 "program_lexer.l"
+#line 247 "program_lexer.l"
 { return EMISSION; }
 	YY_BREAK
 case 78:
 YY_RULE_SETUP
-#line 241 "program_lexer.l"
+#line 248 "program_lexer.l"
 { return ENV; }
 	YY_BREAK
 case 79:
 YY_RULE_SETUP
-#line 242 "program_lexer.l"
+#line 249 "program_lexer.l"
 { return EYE; }
 	YY_BREAK
 case 80:
 YY_RULE_SETUP
-#line 243 "program_lexer.l"
+#line 250 "program_lexer.l"
 { return FOGCOORD; }
 	YY_BREAK
 case 81:
 YY_RULE_SETUP
-#line 244 "program_lexer.l"
+#line 251 "program_lexer.l"
 { return FOG; }
 	YY_BREAK
 case 82:
 YY_RULE_SETUP
-#line 245 "program_lexer.l"
+#line 252 "program_lexer.l"
 { return FRONT; }
 	YY_BREAK
 case 83:
 YY_RULE_SETUP
-#line 246 "program_lexer.l"
+#line 253 "program_lexer.l"
 { return HALF; }
 	YY_BREAK
 case 84:
 YY_RULE_SETUP
-#line 247 "program_lexer.l"
+#line 254 "program_lexer.l"
 { return INVERSE; }
 	YY_BREAK
 case 85:
 YY_RULE_SETUP
-#line 248 "program_lexer.l"
+#line 255 "program_lexer.l"
 { return INVTRANS; }
 	YY_BREAK
 case 86:
 YY_RULE_SETUP
-#line 249 "program_lexer.l"
+#line 256 "program_lexer.l"
 { return LIGHT; }
 	YY_BREAK
 case 87:
 YY_RULE_SETUP
-#line 250 "program_lexer.l"
+#line 257 "program_lexer.l"
 { return LIGHTMODEL; }
 	YY_BREAK
 case 88:
 YY_RULE_SETUP
-#line 251 "program_lexer.l"
+#line 258 "program_lexer.l"
 { return LIGHTPROD; }
 	YY_BREAK
 case 89:
 YY_RULE_SETUP
-#line 252 "program_lexer.l"
+#line 259 "program_lexer.l"
 { return LOCAL; }
 	YY_BREAK
 case 90:
 YY_RULE_SETUP
-#line 253 "program_lexer.l"
+#line 260 "program_lexer.l"
 { return MATERIAL; }
 	YY_BREAK
 case 91:
 YY_RULE_SETUP
-#line 254 "program_lexer.l"
+#line 261 "program_lexer.l"
 { return MAT_PROGRAM; }
 	YY_BREAK
 case 92:
 YY_RULE_SETUP
-#line 255 "program_lexer.l"
+#line 262 "program_lexer.l"
 { return MATRIX; }
 	YY_BREAK
 case 93:
 YY_RULE_SETUP
-#line 256 "program_lexer.l"
+#line 263 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, MATRIXINDEX); }
 	YY_BREAK
 case 94:
 YY_RULE_SETUP
-#line 257 "program_lexer.l"
+#line 264 "program_lexer.l"
 { return MODELVIEW; }
 	YY_BREAK
 case 95:
 YY_RULE_SETUP
-#line 258 "program_lexer.l"
+#line 265 "program_lexer.l"
 { return MVP; }
 	YY_BREAK
 case 96:
 YY_RULE_SETUP
-#line 259 "program_lexer.l"
+#line 266 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, NORMAL); }
 	YY_BREAK
 case 97:
 YY_RULE_SETUP
-#line 260 "program_lexer.l"
+#line 267 "program_lexer.l"
 { return OBJECT; }
 	YY_BREAK
 case 98:
 YY_RULE_SETUP
-#line 261 "program_lexer.l"
+#line 268 "program_lexer.l"
 { return PALETTE; }
 	YY_BREAK
 case 99:
 YY_RULE_SETUP
-#line 262 "program_lexer.l"
+#line 269 "program_lexer.l"
 { return PARAMS; }
 	YY_BREAK
 case 100:
 YY_RULE_SETUP
-#line 263 "program_lexer.l"
+#line 270 "program_lexer.l"
 { return PLANE; }
 	YY_BREAK
 case 101:
 YY_RULE_SETUP
-#line 264 "program_lexer.l"
+#line 271 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, POINT); }
 	YY_BREAK
 case 102:
 YY_RULE_SETUP
-#line 265 "program_lexer.l"
+#line 272 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, POINTSIZE); }
 	YY_BREAK
 case 103:
 YY_RULE_SETUP
-#line 266 "program_lexer.l"
+#line 273 "program_lexer.l"
 { return POSITION; }
 	YY_BREAK
 case 104:
 YY_RULE_SETUP
-#line 267 "program_lexer.l"
+#line 274 "program_lexer.l"
 { return PRIMARY; }
 	YY_BREAK
 case 105:
 YY_RULE_SETUP
-#line 268 "program_lexer.l"
+#line 275 "program_lexer.l"
 { return PROJECTION; }
 	YY_BREAK
 case 106:
 YY_RULE_SETUP
-#line 269 "program_lexer.l"
+#line 276 "program_lexer.l"
 { return_token_or_DOT(require_ARB_fp, RANGE); }
 	YY_BREAK
 case 107:
 YY_RULE_SETUP
-#line 270 "program_lexer.l"
+#line 277 "program_lexer.l"
 { return ROW; }
 	YY_BREAK
 case 108:
 YY_RULE_SETUP
-#line 271 "program_lexer.l"
+#line 278 "program_lexer.l"
 { return SCENECOLOR; }
 	YY_BREAK
 case 109:
 YY_RULE_SETUP
-#line 272 "program_lexer.l"
+#line 279 "program_lexer.l"
 { return SECONDARY; }
 	YY_BREAK
 case 110:
 YY_RULE_SETUP
-#line 273 "program_lexer.l"
+#line 280 "program_lexer.l"
 { return SHININESS; }
 	YY_BREAK
 case 111:
 YY_RULE_SETUP
-#line 274 "program_lexer.l"
+#line 281 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, SIZE); }
 	YY_BREAK
 case 112:
 YY_RULE_SETUP
-#line 275 "program_lexer.l"
+#line 282 "program_lexer.l"
 { return SPECULAR; }
 	YY_BREAK
 case 113:
 YY_RULE_SETUP
-#line 276 "program_lexer.l"
+#line 283 "program_lexer.l"
 { return SPOT; }
 	YY_BREAK
 case 114:
 YY_RULE_SETUP
-#line 277 "program_lexer.l"
+#line 284 "program_lexer.l"
 { return TEXCOORD; }
 	YY_BREAK
 case 115:
 YY_RULE_SETUP
-#line 278 "program_lexer.l"
+#line 285 "program_lexer.l"
 { return_token_or_DOT(require_ARB_fp, TEXENV); }
 	YY_BREAK
 case 116:
 YY_RULE_SETUP
-#line 279 "program_lexer.l"
+#line 286 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, TEXGEN); }
 	YY_BREAK
 case 117:
 YY_RULE_SETUP
-#line 280 "program_lexer.l"
+#line 287 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, TEXGEN_Q); }
 	YY_BREAK
 case 118:
 YY_RULE_SETUP
-#line 281 "program_lexer.l"
+#line 288 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, TEXGEN_S); }
 	YY_BREAK
 case 119:
 YY_RULE_SETUP
-#line 282 "program_lexer.l"
+#line 289 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, TEXGEN_T); }
 	YY_BREAK
 case 120:
 YY_RULE_SETUP
-#line 283 "program_lexer.l"
+#line 290 "program_lexer.l"
 { return TEXTURE; }
 	YY_BREAK
 case 121:
 YY_RULE_SETUP
-#line 284 "program_lexer.l"
+#line 291 "program_lexer.l"
 { return TRANSPOSE; }
 	YY_BREAK
 case 122:
 YY_RULE_SETUP
-#line 285 "program_lexer.l"
+#line 292 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, VTXATTRIB); }
 	YY_BREAK
 case 123:
 YY_RULE_SETUP
-#line 286 "program_lexer.l"
+#line 293 "program_lexer.l"
 { return_token_or_DOT(require_ARB_vp, WEIGHT); }
 	YY_BREAK
 case 124:
 YY_RULE_SETUP
-#line 288 "program_lexer.l"
+#line 295 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, TEXTURE_UNIT); }
 	YY_BREAK
 case 125:
 YY_RULE_SETUP
-#line 289 "program_lexer.l"
+#line 296 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, TEX_1D); }
 	YY_BREAK
 case 126:
 YY_RULE_SETUP
-#line 290 "program_lexer.l"
+#line 297 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, TEX_2D); }
 	YY_BREAK
 case 127:
 YY_RULE_SETUP
-#line 291 "program_lexer.l"
+#line 298 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, TEX_3D); }
 	YY_BREAK
 case 128:
 YY_RULE_SETUP
-#line 292 "program_lexer.l"
+#line 299 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp, TEX_CUBE); }
 	YY_BREAK
 case 129:
 YY_RULE_SETUP
-#line 293 "program_lexer.l"
+#line 300 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_rect, TEX_RECT); }
 	YY_BREAK
 case 130:
 YY_RULE_SETUP
-#line 294 "program_lexer.l"
+#line 301 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW1D); }
 	YY_BREAK
 case 131:
 YY_RULE_SETUP
-#line 295 "program_lexer.l"
+#line 302 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW2D); }
 	YY_BREAK
 case 132:
 YY_RULE_SETUP
-#line 296 "program_lexer.l"
+#line 303 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_rect, TEX_SHADOWRECT); }
 	YY_BREAK
 case 133:
 YY_RULE_SETUP
-#line 297 "program_lexer.l"
+#line 304 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY1D); }
 	YY_BREAK
 case 134:
 YY_RULE_SETUP
-#line 298 "program_lexer.l"
+#line 305 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY2D); }
 	YY_BREAK
 case 135:
 YY_RULE_SETUP
-#line 299 "program_lexer.l"
+#line 306 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW1D); }
 	YY_BREAK
 case 136:
 YY_RULE_SETUP
-#line 300 "program_lexer.l"
+#line 307 "program_lexer.l"
 { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW2D); }
 	YY_BREAK
 case 137:
 YY_RULE_SETUP
-#line 302 "program_lexer.l"
-{
-   yylval->string = strdup(yytext);
-   return IDENTIFIER;
-}
+#line 309 "program_lexer.l"
+{ return handle_ident(yyextra, yytext, yylval); }
 	YY_BREAK
 case 138:
 YY_RULE_SETUP
-#line 307 "program_lexer.l"
+#line 311 "program_lexer.l"
 { return DOT_DOT; }
 	YY_BREAK
 case 139:
 YY_RULE_SETUP
-#line 309 "program_lexer.l"
+#line 313 "program_lexer.l"
 {
    yylval->integer = strtol(yytext, NULL, 10);
    return INTEGER;
@@ -2182,7 +2186,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 140:
 YY_RULE_SETUP
-#line 313 "program_lexer.l"
+#line 317 "program_lexer.l"
 {
    yylval->real = strtod(yytext, NULL);
    return REAL;
@@ -2194,7 +2198,7 @@ case 141:
 yyg->yy_c_buf_p = yy_cp -= 1;
 YY_DO_BEFORE_ACTION; /* set up yytext again */
 YY_RULE_SETUP
-#line 317 "program_lexer.l"
+#line 321 "program_lexer.l"
 {
    yylval->real = strtod(yytext, NULL);
    return REAL;
@@ -2202,7 +2206,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 142:
 YY_RULE_SETUP
-#line 321 "program_lexer.l"
+#line 325 "program_lexer.l"
 {
    yylval->real = strtod(yytext, NULL);
    return REAL;
@@ -2210,7 +2214,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 143:
 YY_RULE_SETUP
-#line 325 "program_lexer.l"
+#line 329 "program_lexer.l"
 {
    yylval->real = strtod(yytext, NULL);
    return REAL;
@@ -2218,7 +2222,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 144:
 YY_RULE_SETUP
-#line 330 "program_lexer.l"
+#line 334 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
    yylval->swiz_mask.mask = WRITEMASK_XYZW;
@@ -2227,7 +2231,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 145:
 YY_RULE_SETUP
-#line 336 "program_lexer.l"
+#line 340 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_XY
@@ -2237,7 +2241,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 146:
 YY_RULE_SETUP
-#line 342 "program_lexer.l"
+#line 346 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_XZW;
@@ -2246,7 +2250,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 147:
 YY_RULE_SETUP
-#line 347 "program_lexer.l"
+#line 351 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_YZW;
@@ -2255,7 +2259,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 148:
 YY_RULE_SETUP
-#line 353 "program_lexer.l"
+#line 357 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_X
@@ -2265,7 +2269,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 149:
 YY_RULE_SETUP
-#line 359 "program_lexer.l"
+#line 363 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_Y
@@ -2275,7 +2279,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 150:
 YY_RULE_SETUP
-#line 365 "program_lexer.l"
+#line 369 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_ZW;
@@ -2284,7 +2288,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 151:
 YY_RULE_SETUP
-#line 371 "program_lexer.l"
+#line 375 "program_lexer.l"
 {
    const unsigned s = swiz_from_char(yytext[1]);
    yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
@@ -2294,7 +2298,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 152:
 YY_RULE_SETUP
-#line 378 "program_lexer.l"
+#line 382 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
 					    swiz_from_char(yytext[2]),
@@ -2306,7 +2310,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 153:
 YY_RULE_SETUP
-#line 387 "program_lexer.l"
+#line 391 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
    yylval->swiz_mask.mask = WRITEMASK_XYZW;
@@ -2315,7 +2319,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 154:
 YY_RULE_SETUP
-#line 393 "program_lexer.l"
+#line 397 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_XY
@@ -2325,7 +2329,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 155:
 YY_RULE_SETUP
-#line 399 "program_lexer.l"
+#line 403 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_XZW;
@@ -2334,7 +2338,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 156:
 YY_RULE_SETUP
-#line 404 "program_lexer.l"
+#line 408 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_YZW;
@@ -2343,7 +2347,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 157:
 YY_RULE_SETUP
-#line 410 "program_lexer.l"
+#line 414 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_X
@@ -2353,7 +2357,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 158:
 YY_RULE_SETUP
-#line 416 "program_lexer.l"
+#line 420 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_Y
@@ -2363,7 +2367,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 159:
 YY_RULE_SETUP
-#line 422 "program_lexer.l"
+#line 426 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
    yylval->swiz_mask.mask = WRITEMASK_ZW;
@@ -2372,7 +2376,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 160:
 YY_RULE_SETUP
-#line 428 "program_lexer.l"
+#line 432 "program_lexer.l"
 {
    const unsigned s = swiz_from_char(yytext[1]);
    yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
@@ -2382,7 +2386,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 161:
 YY_RULE_SETUP
-#line 436 "program_lexer.l"
+#line 440 "program_lexer.l"
 {
    if (require_ARB_vp) {
       return TEXGEN_R;
@@ -2396,7 +2400,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 162:
 YY_RULE_SETUP
-#line 447 "program_lexer.l"
+#line 451 "program_lexer.l"
 {
    yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
 					    swiz_from_char(yytext[2]),
@@ -2408,13 +2412,13 @@ YY_RULE_SETUP
 	YY_BREAK
 case 163:
 YY_RULE_SETUP
-#line 456 "program_lexer.l"
+#line 460 "program_lexer.l"
 { return DOT; }
 	YY_BREAK
 case 164:
 /* rule 164 can match eol */
 YY_RULE_SETUP
-#line 458 "program_lexer.l"
+#line 462 "program_lexer.l"
 {
    yylloc->first_line++;
    yylloc->first_column = 1;
@@ -2425,7 +2429,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 165:
 YY_RULE_SETUP
-#line 465 "program_lexer.l"
+#line 469 "program_lexer.l"
 /* eat whitespace */ ;
 	YY_BREAK
 case 166:
@@ -2433,20 +2437,20 @@ case 166:
 yyg->yy_c_buf_p = yy_cp -= 1;
 YY_DO_BEFORE_ACTION; /* set up yytext again */
 YY_RULE_SETUP
-#line 466 "program_lexer.l"
+#line 470 "program_lexer.l"
 /* eat comments */ ;
 	YY_BREAK
 case 167:
 YY_RULE_SETUP
-#line 467 "program_lexer.l"
+#line 471 "program_lexer.l"
 { return yytext[0]; }
 	YY_BREAK
 case 168:
 YY_RULE_SETUP
-#line 468 "program_lexer.l"
+#line 472 "program_lexer.l"
 ECHO;
 	YY_BREAK
-#line 2450 "lex.yy.c"
+#line 2454 "lex.yy.c"
 case YY_STATE_EOF(INITIAL):
 	yyterminate();
 
@@ -3621,7 +3625,7 @@ void yyfree (void * ptr , yyscan_t yyscanner)
 
 #define YYTABLES_NAME "yytables"
 
-#line 468 "program_lexer.l"
+#line 472 "program_lexer.l"