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Introduce for-in opcode; implement handler for the opcode.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-06-23 19:03:21 +03:00
parent 6c6e740c7a
commit b988fe2fce
6 changed files with 293 additions and 6 deletions
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jerry-core/vm/opcodes.h
+6 -2
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@@ -72,8 +72,9 @@ typedef enum
OPCODE_META_TYPE_CATCH_EXCEPTION_IDENTIFIER, /**< literal index containing name of variable with exception object */
OPCODE_META_TYPE_FINALLY, /**< mark of beginning of finally block containing pointer to end of finally block */
OPCODE_META_TYPE_END_TRY_CATCH_FINALLY, /**< mark of end of try-catch, try-finally, try-catch-finally blocks */
OPCODE_META_TYPE_SCOPE_CODE_FLAGS /**< set of flags indicating various properties of the scope's code
* (See also: opcode_scope_code_flags_t) */
OPCODE_META_TYPE_SCOPE_CODE_FLAGS, /**< set of flags indicating various properties of the scope's code
* (See also: opcode_scope_code_flags_t) */
OPCODE_META_TYPE_END_FOR_IN /**< end of for-in statement */
} opcode_meta_type;
typedef enum : idx_t
@@ -109,6 +110,8 @@ 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_SPECIAL_FOR_IN_PROPERTY_NAME, /**< variable, containing property name,
* at start of for-in loop body */
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 */
@@ -186,6 +189,7 @@ opcode_counter_t read_meta_opcode_counter (opcode_meta_type expected_type, int_d
p##_2 (a, delete_var, lhs, name) \
p##_3 (a, delete_prop, lhs, base, name) \
p##_2 (a, typeof, lhs, obj) \
p##_3 (a, for_in, expr, oc_idx_1, oc_idx_2) \
p##_3 (a, with, expr, oc_idx_1, oc_idx_2) \
p##_2 (a, try_block, oc_idx_1, oc_idx_2) \
p##_1 (a, throw_value, var)