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

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This commit is contained in:
Ian Romanick 2009-11-05 14:15:56 -08:00
parent 1c7337d46e
commit 301a9b7e28
1 changed files with 27 additions and 1 deletions
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28
src/mesa/shader/program_parse.y
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@ -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;