summaryrefslogtreecommitdiff
path: root/src/glsl/glsl_parser.ypp
diff options
context:
space:
mode:
Diffstat (limited to 'src/glsl/glsl_parser.ypp')
-rw-r--r--src/glsl/glsl_parser.ypp52
1 files changed, 19 insertions, 33 deletions
diff --git a/src/glsl/glsl_parser.ypp b/src/glsl/glsl_parser.ypp
index 6d99c52503..b9cc03c194 100644
--- a/src/glsl/glsl_parser.ypp
+++ b/src/glsl/glsl_parser.ypp
@@ -75,6 +75,11 @@
ast_node *cond;
ast_expression *rest;
} for_rest_statement;
+
+ struct {
+ ast_node *then_statement;
+ ast_node *else_statement;
+ } selection_rest_statement;
}
%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
@@ -130,8 +135,6 @@
%type <node> statement
%type <node> statement_list
%type <node> simple_statement
-%type <node> statement_matched
-%type <node> statement_unmatched
%type <n> precision_qualifier
%type <type_qualifier> type_qualifier
%type <type_qualifier> storage_qualifier
@@ -197,8 +200,8 @@
%type <declarator_list> struct_declaration
%type <declaration> struct_declarator
%type <declaration> struct_declarator_list
-%type <node> selection_statement_matched
-%type <node> selection_statement_unmatched
+%type <node> selection_statement
+%type <selection_rest_statement> selection_rest_statement
%type <node> iteration_statement
%type <node> condition
%type <node> conditionopt
@@ -1266,23 +1269,14 @@ declaration_statement:
// Grammar Note: labeled statements for SWITCH only; 'goto' is not
// supported.
statement:
- statement_matched
- | statement_unmatched
- ;
-
-statement_matched:
compound_statement { $$ = (ast_node *) $1; }
| simple_statement
;
-statement_unmatched:
- selection_statement_unmatched
- ;
-
simple_statement:
declaration_statement
| expression_statement
- | selection_statement_matched
+ | selection_statement
| switch_statement { $$ = NULL; }
| case_label { $$ = NULL; }
| iteration_statement
@@ -1361,33 +1355,25 @@ expression_statement:
}
;
-selection_statement_matched:
- IF '(' expression ')' statement_matched ELSE statement_matched
+selection_statement:
+ IF '(' expression ')' selection_rest_statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, $7);
+ $$ = new(state) ast_selection_statement($3, $5.then_statement,
+ $5.else_statement);
$$->set_location(yylloc);
}
;
-selection_statement_unmatched:
- IF '(' expression ')' statement_matched
+selection_rest_statement:
+ statement ELSE statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, NULL);
- $$->set_location(yylloc);
+ $$.then_statement = $1;
+ $$.else_statement = $3;
}
- | IF '(' expression ')' statement_unmatched
+ | statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, NULL);
- $$->set_location(yylloc);
- }
- | IF '(' expression ')' statement_matched ELSE statement_unmatched
- {
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, $7);
- $$->set_location(yylloc);
+ $$.then_statement = $1;
+ $$.else_statement = NULL;
}
;