From fa6f8a0ee6495cefeabe6b6972b194e7792cc971 Mon Sep 17 00:00:00 2001
From: Søren Sandmann Pedersen <ssp@redhat.com>
Date: Fri, 16 Apr 2010 08:25:28 -0400
Subject: Add vars

---
 psl.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/psl.c b/psl.c
index f3eafcb..5dbd2cf 100644
--- a/psl.c
+++ b/psl.c
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <stdarg.h>
+#include <string.h>
 #include "psl.h"
 
 #define new(t)								\
@@ -40,6 +41,7 @@ struct psl_instruction_t
 
 	struct
 	{
+	    char *name;
 	} label;
     } u;
 };
@@ -55,6 +57,38 @@ struct psl_program_t
     instruction_list_t *instructions;
 };
 
+typedef enum
+{
+    VARIABLE,
+    IMMEDIATE
+} var_type_t;
+
+typedef enum
+{
+    UN8,
+    SP,
+    DP
+} type_t;
+
+struct psl_var_t
+{
+    var_type_t	var_type;
+    type_t	type;
+    
+    union
+    {
+	struct
+	{
+	    char *name;
+	} variable;
+
+	struct
+	{
+	    
+	} immediate;
+    } u;
+};
+
 psl_program_t *
 psl_program_create (psl_statement_t *statement)
 {
@@ -142,8 +176,36 @@ run_box (pixman_box32_t *box,
 		    &(instructions->instructions[i]);
 
 		switch (instruction->type)
+		{
+		case TEX:
+		{
+		    &(instruction->u.tex);
+		    break;
+		}
+		
+		case ADD:
+		{
+		    
+		    break;
+		}
+
+		case MAD:
+		{
+		    
+		    break;
+		}
+
+		case CMP_LT:
 		{
 		    
+		    break;
+		}
+
+		case LABEL:
+		{
+
+		    break;
+		}
 		}
 	    }
 	}
@@ -174,7 +236,6 @@ psl_program_destroy (psl_program_t     *program)
 psl_var_t *
 psl_imm_un8 (int value)
 {
-    
 }
 
 psl_var_t *
@@ -191,7 +252,12 @@ psl_label (const char *name)
 psl_var_t *
 psl_var (const char *name)
 {
+    psl_var_t *result = new (psl_var_t);
+
+    result->type = VARIABLE;
+    result->u.variable.name = strdup (name);
     
+    return result;
 }
 
 int
-- 
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