__opcode -> opcode_t

2014-08-23 02:01:56 +04:00
parent a99907670b
commit 4ffbdd2c3f
10 changed files with 65 additions and 64 deletions
@@ -0,0 +1,359 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "opcodes.h"
+#include "opcodes-ecma-support.h"
+
+/**
+ * Number bitwise logic operations.
+ */
+typedef enum
+{
+  number_bitwise_logic_and, /**< bitwise AND calculation */
+  number_bitwise_logic_or, /**< bitwise OR calculation */
+  number_bitwise_logic_xor, /**< bitwise XOR calculation */
+  number_bitwise_shift_left, /**< bitwise LEFT SHIFT calculation */
+  number_bitwise_shift_right, /**< bitwise RIGHT_SHIFT calculation */
+  number_bitwise_shift_uright, /**< bitwise UNSIGNED RIGHT SHIFT calculation */
+  number_bitwise_not, /**< bitwise NOT calculation */
+} number_bitwise_logic_op;
+
+/**
+ * Perform ECMA number logic operation.
+ *
+ * The algorithm of the operation is following:
+ *   leftNum = ToNumber (leftValue);
+ *   rightNum = ToNumber (rightValue);
+ *   result = leftNum BitwiseLogicOp rightNum;
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+static ecma_completion_value_t
+do_number_bitwise_logic (int_data_t *int_data, /**< interpreter context */
+                         idx_t dst_var_idx, /**< destination variable identifier */
+                         number_bitwise_logic_op op, /**< number bitwise logic operation */
+                         ecma_value_t left_value, /**< left value */
+                         ecma_value_t right_value) /** right value */
+{
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (num_left_value, ecma_op_to_number (left_value), ret_value);
+  ECMA_TRY_CATCH (num_right_value, ecma_op_to_number (right_value), ret_value);
+
+  ecma_number_t *left_p, *right_p;
+  left_p = (ecma_number_t*) ECMA_GET_POINTER (num_left_value.value.value);
+  right_p = (ecma_number_t*) ECMA_GET_POINTER (num_right_value.value.value);
+
+  ecma_number_t* res_p = ecma_alloc_number ();
+
+  int32_t left_int32 = ecma_number_to_int32 (*left_p);
+  int32_t right_int32 = ecma_number_to_int32 (*right_p);
+
+  uint32_t left_uint32 = ecma_number_to_uint32 (*left_p);
+  uint32_t right_uint32 = ecma_number_to_uint32 (*right_p);
+
+  switch (op)
+  {
+    case number_bitwise_logic_and:
+    {
+      *res_p = ecma_int32_to_number (left_int32 & right_int32);
+      break;
+    }
+    case number_bitwise_logic_or:
+    {
+      *res_p = ecma_int32_to_number (left_int32 | right_int32);
+      break;
+    }
+    case number_bitwise_logic_xor:
+    {
+      *res_p = ecma_int32_to_number (left_int32 ^ right_int32);
+      break;
+    }
+    case number_bitwise_shift_left:
+    {
+      *res_p = ecma_int32_to_number (left_int32 << (right_uint32 & 0x1F));
+      break;
+    }
+    case number_bitwise_shift_right:
+    {
+      *res_p = ecma_int32_to_number (left_int32 >> (right_uint32 & 0x1F));
+      break;
+    }
+    case number_bitwise_shift_uright:
+    {
+      *res_p = ecma_uint32_to_number (left_uint32 >> (right_uint32 & 0x1F));
+      break;
+    }
+    case number_bitwise_not:
+    {
+      *res_p = ecma_int32_to_number (~right_int32);
+      break;
+    }
+  }
+
+  ret_value = set_variable_value (int_data,
+                                  dst_var_idx,
+                                  ecma_make_number_value (res_p));
+
+  ecma_dealloc_number (res_p);
+
+  ECMA_FINALIZE (num_right_value);
+  ECMA_FINALIZE (num_left_value);
+
+  return ret_value;
+} /* do_number_bitwise_logic */
+
+/**
+ * 'Bitwise AND' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.10
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_and (opcode_t opdata, /**< operation data */
+              int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_and.dst;
+  const idx_t left_var_idx = opdata.data.b_and.var_left;
+  const idx_t right_var_idx = opdata.data.b_and.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_logic_and,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_and */
+
+/**
+ * 'Bitwise OR' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.10
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_or (opcode_t opdata, /**< operation data */
+             int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_or.dst;
+  const idx_t left_var_idx = opdata.data.b_or.var_left;
+  const idx_t right_var_idx = opdata.data.b_or.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_logic_or,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_or */
+
+/**
+ * 'Bitwise XOR' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.10
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_xor (opcode_t opdata, /**< operation data */
+              int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_xor.dst;
+  const idx_t left_var_idx = opdata.data.b_xor.var_left;
+  const idx_t right_var_idx = opdata.data.b_xor.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_logic_xor,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_xor */
+
+/**
+ * 'Left Shift Operator' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.7.1
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_shift_left (opcode_t opdata, /**< operation data */
+                     int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_shift_left.dst;
+  const idx_t left_var_idx = opdata.data.b_shift_left.var_left;
+  const idx_t right_var_idx = opdata.data.b_shift_left.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_shift_left,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_shift_left */
+
+/**
+ * 'Right Shift Operator' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.7.2
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_shift_right (opcode_t opdata, /**< operation data */
+                      int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_shift_right.dst;
+  const idx_t left_var_idx = opdata.data.b_shift_right.var_left;
+  const idx_t right_var_idx = opdata.data.b_shift_right.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_shift_right,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_shift_right */
+
+/**
+ * 'Unsigned Right Shift Operator' opcode handler.
+ *
+ * See also: ECMA-262 v5, 11.7.3
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_shift_uright (opcode_t opdata, /**< operation data */
+                      int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_shift_uright.dst;
+  const idx_t left_var_idx = opdata.data.b_shift_uright.var_left;
+  const idx_t right_var_idx = opdata.data.b_shift_uright.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_shift_uright,
+                                       left_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+  ECMA_FINALIZE (left_value);
+
+  return ret_value;
+} /* opfunc_b_shift_uright */
+
+/**
+ * 'Bitwise NOT Operator' opcode handler.
+ *
+ * See also: ECMA-262 v5, 10.4
+ *
+ * @return completion value
+ *         Returned value must be freed with ecma_free_completion_value
+ */
+ecma_completion_value_t
+opfunc_b_not (opcode_t opdata, /**< operation data */
+              int_data_t *int_data) /**< interpreter context */
+{
+  const idx_t dst_var_idx = opdata.data.b_not.dst;
+  const idx_t right_var_idx = opdata.data.b_not.var_right;
+
+  int_data->pos++;
+
+  ecma_completion_value_t ret_value;
+
+  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
+
+  ret_value = do_number_bitwise_logic (int_data,
+                                       dst_var_idx,
+                                       number_bitwise_not,
+                                       right_value.value,
+                                       right_value.value);
+
+  ECMA_FINALIZE (right_value);
+
+  return ret_value;
+} /* opfunc_b_not */