Mesa (master): glsl: Create AST data structures for switch statement and case label
Dan McCabe
danm at kemper.freedesktop.org
Tue Nov 8 00:46:28 UTC 2011
Module: Mesa
Branch: master
Commit: 19daba54707b4ff90159850ce97faceba9c336c0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=19daba54707b4ff90159850ce97faceba9c336c0
Author: Dan McCabe <zen3d.linux at gmail.com>
Date: Mon Nov 7 15:05:16 2011 -0800
glsl: Create AST data structures for switch statement and case label
Data structures for switch statement and case label are created that parallel
the structure of other AST data.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/glsl/ast.h | 24 ++++++++++++++++++++----
1 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/src/glsl/ast.h b/src/glsl/ast.h
index 9fe6c41..208ffc4 100644
--- a/src/glsl/ast.h
+++ b/src/glsl/ast.h
@@ -629,13 +629,19 @@ public:
class ast_case_label : public ast_node {
public:
+ ast_case_label(ast_expression *test_value);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
/**
- * An expression of NULL means 'default'.
+ * An test value of NULL means 'default'.
*/
- ast_expression *expression;
+ ast_expression *test_value;
};
+
class ast_selection_statement : public ast_node {
public:
ast_selection_statement(ast_expression *condition,
@@ -654,8 +660,18 @@ public:
class ast_switch_statement : public ast_node {
public:
- ast_expression *expression;
- exec_list statements;
+ ast_switch_statement(ast_expression *test_expression,
+ ast_node *body);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ast_expression *test_expression;
+ ast_node *body;
+
+protected:
+ void test_to_hir(exec_list *, struct _mesa_glsl_parse_state *);
};
class ast_iteration_statement : public ast_node {
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