Introduce explicit description of registers (temporary variables) ranges.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
2015-06-23 19:01:33 +03:00
parent e027b4d65d
commit 9b414deb8d
2 changed files with 40 additions and 9 deletions
@@ -102,6 +102,18 @@ typedef enum : idx_t
                                                                     *   'eval' identifier */
 } opcode_scope_code_flags_t;

+/**
+ * Enumeration of registers (temp variables) ranges
+ */
+typedef enum : idx_t
+{
+  OPCODE_REG_FIRST = 128, /** identifier of first special register */
+  OPCODE_REG_SPECIAL_EVAL_RET = OPCODE_REG_FIRST, /**< eval return value */
+  OPCODE_REG_GENERAL_FIRST, /** identifier of first non-special register */
+  OPCODE_REG_GENERAL_LAST = 253, /** identifier of last non-special register */
+  OPCODE_REG_LAST = OPCODE_REG_GENERAL_FIRST /**< identifier of last register */
+} opcode_special_reg_t;
+
 /**
 * Forward declaration of opcode structure
 */