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Implement exponentiation operation. (#3692)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-04-27 11:43:35 +02:00
committed by GitHub
parent daeee77d63
commit 4e8dac8ce1
18 changed files with 319 additions and 32 deletions
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jerry-core/parser/js/js-lexer.h
+13
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@@ -66,10 +66,17 @@ typedef enum
* IMPORTANT: update CBC_BINARY_OP_TOKEN_TO_OPCODE,
* CBC_BINARY_LVALUE_OP_TOKEN_TO_OPCODE and
* parser_binary_precedence_table after changes. */
#if ENABLED (JERRY_ES2015)
#define LEXER_IS_BINARY_OP_TOKEN(token_type) \
((token_type) >= LEXER_ASSIGN && (token_type) <= LEXER_EXPONENTIATION)
#else /* !ENABLED (JERRY_ES2015) */
#define LEXER_IS_BINARY_OP_TOKEN(token_type) \
((token_type) >= LEXER_ASSIGN && (token_type) <= LEXER_MODULO)
#endif /* ENABLED (JERRY_ES2015) */
#define LEXER_IS_BINARY_LVALUE_TOKEN(token_type) \
((token_type) >= LEXER_ASSIGN && (token_type) <= LEXER_ASSIGN_BIT_XOR)
#define LEXER_FIRST_BINARY_OP LEXER_ASSIGN
LEXER_ASSIGN, /**< "=" (prec: 3) */
@@ -78,6 +85,9 @@ typedef enum
LEXER_ASSIGN_MULTIPLY, /**< "*=" (prec: 3) */
LEXER_ASSIGN_DIVIDE, /**< "/=" (prec: 3) */
LEXER_ASSIGN_MODULO, /**< "%=" (prec: 3) */
#if ENABLED (JERRY_ES2015)
LEXER_ASSIGN_EXPONENTIATION, /**< "**=" (prec: 3) */
#endif /* ENABLED (JERRY_ES2015) */
LEXER_ASSIGN_LEFT_SHIFT, /**< "<<=" (prec: 3) */
LEXER_ASSIGN_RIGHT_SHIFT, /**< ">>=" (prec: 3) */
LEXER_ASSIGN_UNS_RIGHT_SHIFT, /**< ">>>=" (prec: 3) */
@@ -108,6 +118,9 @@ typedef enum
LEXER_MULTIPLY, /**< "*" (prec: 14) */
LEXER_DIVIDE, /**< "/" (prec: 14) */
LEXER_MODULO, /**< "%" (prec: 14) */
#if ENABLED (JERRY_ES2015)
LEXER_EXPONENTIATION, /**< "**" (prec: 15) */
#endif /* ENABLED (JERRY_ES2015) */
LEXER_LEFT_BRACE, /**< "{" */
LEXER_LEFT_PAREN, /**< "(" */