ARB prog parser: Release strings returned from the lexer that don't need to be kept

diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y
index c3152aa2f88d7f05030a204452c7d5fe9d19985c..b2db2958be81fcbde52347e41482eef02fdb3db7 100644 (file)
--- a/src/mesa/shader/program_parse.y
+++ b/src/mesa/shader/program_parse.y
@@ -291,6 +291,8 @@ option: OPTION IDENTIFIER ';'
           }
 
 
+          free($2);
+
           if (!valid) {
              const char *const err_str = (state->mode == ARB_vertex)
                 ? "invalid ARB vertex program option"
@@ -591,12 +593,17 @@ extSwizSel: INTEGER
        }
        | IDENTIFIER
        {
+          char s;
+
           if (strlen($1) > 1) {
              yyerror(& @1, state, "invalid extended swizzle selector");
              YYERROR;
           }
 
-          switch ($1[0]) {
+          s = $1[0];
+          free($1);
+
+          switch (s) {
           case 'x':
              $$.swz = SWIZZLE_X;
              $$.xyzw_valid = 1;
@@ -644,6 +651,8 @@ srcReg: IDENTIFIER /* temporaryReg | progParamSingle */
           struct asm_symbol *const s = (struct asm_symbol *)
              _mesa_symbol_table_find_symbol(state->st, 0, $1);
 
+          free($1);
+
           if (s == NULL) {
              yyerror(& @1, state, "invalid operand variable");
              YYERROR;
@@ -734,6 +743,8 @@ dstReg: resultBinding
           struct asm_symbol *const s = (struct asm_symbol *)
              _mesa_symbol_table_find_symbol(state->st, 0, $1);
 
+          free($1);
+
           if (s == NULL) {
              yyerror(& @1, state, "invalid operand variable");
              YYERROR;
@@ -765,6 +776,8 @@ progParamArray: IDENTIFIER
           struct asm_symbol *const s = (struct asm_symbol *)
              _mesa_symbol_table_find_symbol(state->st, 0, $1);
 
+          free($1);
+
           if (s == NULL) {
              yyerror(& @1, state, "invalid operand variable");
              YYERROR;
@@ -832,6 +845,8 @@ addrReg: IDENTIFIER
           struct asm_symbol *const s = (struct asm_symbol *)
              _mesa_symbol_table_find_symbol(state->st, 0, $1);
 
+          free($1);
+
           if (s == NULL) {
              yyerror(& @1, state, "invalid array member");
              YYERROR;
@@ -894,6 +909,7 @@ ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding
              declare_variable(state, $2, at_attrib, & @2);
 
           if (s == NULL) {
+             free($2);
              YYERROR;
           } else {
              s->attrib_binding = $4;
@@ -1001,6 +1017,7 @@ PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
              declare_variable(state, $2, at_param, & @2);
 
           if (s == NULL) {
+             free($2);
              YYERROR;
           } else {
              s->param_binding_type = $3.param_binding_type;
@@ -1014,6 +1031,7 @@ PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
 PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
        {
           if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) {
+             free($2);
              yyerror(& @4, state, 
                      "parameter array size and number of bindings must match");
              YYERROR;
@@ -1022,6 +1040,7 @@ PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
                 declare_variable(state, $2, $6.type, & @2);
 
              if (s == NULL) {
+                free($2);
                 YYERROR;
              } else {
                 s->param_binding_type = $6.param_binding_type;
@@ -1717,12 +1736,14 @@ ADDRESS_statement: ADDRESS { $<integer>$ = $1; } varNameList
 varNameList: varNameList ',' IDENTIFIER
        {
           if (!declare_variable(state, $3, $<integer>0, & @3)) {
+             free($3);
              YYERROR;
           }
        }
        | IDENTIFIER
        {
           if (!declare_variable(state, $1, $<integer>0, & @1)) {
+             free($1);
              YYERROR;
           }
        }
@@ -1734,6 +1755,7 @@ OUTPUT_statement: OUTPUT IDENTIFIER '=' resultBinding
              declare_variable(state, $2, at_output, & @2);
 
           if (s == NULL) {
+             free($2);
              YYERROR;
           } else {
              s->output_binding = $4;
@@ -1911,10 +1933,14 @@ ALIAS_statement: ALIAS IDENTIFIER '=' IDENTIFIER
              _mesa_symbol_table_find_symbol(state->st, 0, $4);
 
 
+          free($4);
+
           if (exist != NULL) {
+             free($2);
              yyerror(& @2, state, "redeclared identifier");
              YYERROR;
           } else if (target == NULL) {
+             free($2);
              yyerror(& @4, state,
                      "undefined variable binding in ALIAS statement");
              YYERROR;