Remove usage of isalpha, isdigit, isxdigit, isspace in the whole engine except implementation of JSON built-in, moving the functions to JSON built-in's module.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-07-03 02:17:14 +03:00
parent bcedc901cd
commit 7b3042fdc9
6 changed files with 72 additions and 94 deletions
@@ -126,7 +126,8 @@ ecma_builtin_global_object_parse_int (ecma_value_t this_arg __attr_unused___, /*
ecma_length_t end = str_size;
for (ecma_length_t i = 0; i < end; i++)
{
if (!(isspace (utf8_string_buff[i])))
if (!lit_char_is_white_space (utf8_string_buff[i])
&& !lit_char_is_line_terminator (utf8_string_buff[i]))
{
start = i;
break;
@@ -203,7 +204,7 @@ ecma_builtin_global_object_parse_int (ecma_value_t this_arg __attr_unused___, /*
{
utf8_string_buff[i] = (lit_utf8_byte_t) (utf8_string_buff[i] - 'A' + 10);
}
else if (isdigit (utf8_string_buff[i]))
else if (lit_char_is_decimal_digit (utf8_string_buff[i]))
{
utf8_string_buff[i] = (lit_utf8_byte_t) (utf8_string_buff[i] - '0');
}
@@ -290,7 +291,8 @@ ecma_builtin_global_object_parse_float (ecma_value_t this_arg __attr_unused___,
lit_utf8_size_t start = 0;
for (lit_utf8_size_t i = 0; i < str_size; i++)
{
if (!isspace (utf8_string_buff[i]))
if (!lit_char_is_white_space (utf8_string_buff[i])
&& !lit_char_is_line_terminator (utf8_string_buff[i]))
{
start = i;
break;
@@ -332,14 +334,14 @@ ecma_builtin_global_object_parse_float (ecma_value_t this_arg __attr_unused___,
bool has_whole_part = false;
bool has_fraction_part = false;
if (isdigit (utf8_string_buff[current]))
if (lit_char_is_decimal_digit (utf8_string_buff[current]))
{
has_whole_part = true;
/* Check digits of whole part. */
for (lit_utf8_size_t i = current; i < str_size; i++, current++)
{
if (!isdigit (utf8_string_buff[current]))
if (!lit_char_is_decimal_digit (utf8_string_buff[current]))
{
break;
}
@@ -353,14 +355,14 @@ ecma_builtin_global_object_parse_float (ecma_value_t this_arg __attr_unused___,
{
current++;
if (isdigit (utf8_string_buff[current]))
if (lit_char_is_decimal_digit (utf8_string_buff[current]))
{
has_fraction_part = true;
/* Check digits of fractional part. */
for (lit_utf8_size_t i = current; i < str_size; i++, current++)
{
if (!isdigit (utf8_string_buff[current]))
if (!lit_char_is_decimal_digit (utf8_string_buff[current]))
{
break;
}
@@ -382,13 +384,13 @@ ecma_builtin_global_object_parse_float (ecma_value_t this_arg __attr_unused___,
current++;
}
if (isdigit (utf8_string_buff[current]))
if (lit_char_is_decimal_digit (utf8_string_buff[current]))
{
/* Check digits of exponent part. */
for (lit_utf8_size_t i = current; i < str_size; i++, current++)
{
if (!isdigit (utf8_string_buff[current]))
if (!lit_char_is_decimal_digit (utf8_string_buff[current]))
{
break;
}
@@ -39,6 +39,27 @@
#define BUILTIN_UNDERSCORED_ID json
#include "ecma-builtin-internal-routines-template.inc.h"
/*
* FIXME:
* Replace usage of isalpha and isdigit functions in the module with lit_char helpers and remove the functions.
*
* Related issue: #424
*/
/** Checks for an alphabetic character. */
static int
isalpha (int c)
{
return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');
}
/** Checks for a digit (0 through 9). */
static int
isdigit (int c)
{
return c >= '0' && c <= '9';
}
/** \addtogroup ecma ECMA
* @{
*
@@ -805,16 +805,37 @@ ecma_builtin_string_prototype_object_trim (ecma_value_t this_arg) /**< this argu
uint32_t prefix = 0, postfix = 0;
uint32_t new_len = 0;
while (prefix < length && isspace (lit_utf8_string_code_unit_at (original_utf8_str_p, size, prefix)))
while (prefix < length)
{
prefix++;
ecma_char_t next_char = lit_utf8_string_code_unit_at (original_utf8_str_p,
size,
prefix);
if (lit_char_is_white_space (next_char)
|| lit_char_is_line_terminator (next_char))
{
prefix++;
}
else
{
break;
}
}
while (postfix < length - prefix && isspace (lit_utf8_string_code_unit_at (original_utf8_str_p,
size,
length - postfix - 1)))
while (postfix < length - prefix)
{
postfix++;
ecma_char_t next_char = lit_utf8_string_code_unit_at (original_utf8_str_p,
size,
length - postfix - 1);
if (lit_char_is_white_space (next_char)
|| lit_char_is_line_terminator (next_char))
{
postfix++;
}
else
{
break;
}
}
new_len = prefix < size ? size - prefix - postfix : 0;
+13 -12
View File
@@ -126,7 +126,7 @@ re_parse_iterator (lit_utf8_byte_t *pattern_p, /**< RegExp pattern */
(*advance_p)++;
ch1 = RE_LOOKUP (pattern_p, lookup + *advance_p);
if (isdigit (ch1))
if (lit_char_is_decimal_digit (ch1))
{
if (digits >= ECMA_NUMBER_MAX_DIGITS)
{
@@ -423,9 +423,10 @@ re_parse_char_class (re_parser_ctx_t *parser_ctx_p, /**< number of classes */
append_char_class (re_ctx_p, 0x007BUL, 0xFFFFUL);
ch = RE_CHAR_UNDEF;
}
else if (isdigit (ch))
else if (lit_char_is_decimal_digit (ch))
{
if (ch != '\0' || isdigit (RE_LOOKUP (*pattern_p, 1)))
if (ch != LIT_CHAR_0
|| lit_char_is_decimal_digit (RE_LOOKUP (*pattern_p, 1)))
{
/* FIXME: octal support */
}
@@ -597,8 +598,8 @@ re_parse_next_token (re_parser_ctx_t *parser_ctx_p, /**< RegExp parser context *
}
}
else if (ch1 == 'x'
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 2))
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 3)))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 2))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 3)))
{
advance = 4;
out_token_p->type = RE_TOK_CHAR;
@@ -606,10 +607,10 @@ re_parse_next_token (re_parser_ctx_t *parser_ctx_p, /**< RegExp parser context *
/* result.value = ...; */
}
else if (ch1 == 'u'
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 2))
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 3))
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 4))
&& isxdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 5)))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 2))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 3))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 4))
&& lit_char_is_hex_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 5)))
{
advance = 4;
out_token_p->type = RE_TOK_CHAR;
@@ -646,11 +647,11 @@ re_parse_next_token (re_parser_ctx_t *parser_ctx_p, /**< RegExp parser context *
advance = 2;
out_token_p->type = RE_TOK_NOT_WORD_CHAR;
}
else if (isdigit (ch1))
else if (lit_char_is_decimal_digit (ch1))
{
if (ch1 == '0')
{
if (isdigit (RE_LOOKUP (parser_ctx_p->current_char_p, 2)))
if (lit_char_is_decimal_digit (RE_LOOKUP (parser_ctx_p->current_char_p, 2)))
{
ret_value = ecma_raise_syntax_error ("RegExp escape pattern error.");
break;
@@ -683,7 +684,7 @@ re_parse_next_token (re_parser_ctx_t *parser_ctx_p, /**< RegExp parser context *
advance++;
ecma_char_t digit = RE_LOOKUP (parser_ctx_p->current_char_p,
advance);
if (!isdigit (digit))
if (!lit_char_is_decimal_digit (digit))
{
break;
}
-7
View File
@@ -22,11 +22,4 @@
# define EXTERN_C
#endif /* !__cplusplus */
extern EXTERN_C int isxdigit (int c);
extern EXTERN_C int isalpha (int c);
extern EXTERN_C int isdigit (int c);
extern EXTERN_C int islower (int c);
extern EXTERN_C int isspace (int c);
extern EXTERN_C int isupper (int c);
#endif /* !JERRY_LIBC_CTYPE_H */
-60
View File
@@ -272,66 +272,6 @@ strlen (const char *s)
return i;
}
/** Checks for white-space characters. In the "C" and "POSIX" locales, these are: space,
form-feed ('\f'), newline ('\n'), carriage return ('\r'), horizontal tab ('\t'), and vertical tab ('\v'). */
int
isspace (int c)
{
switch (c)
{
case ' ':
case '\f':
case '\n':
case '\r':
case '\t':
case '\v':
{
return 1;
}
default:
{
return 0;
}
}
}
/** Checks for an uppercase letter. */
int
isupper (int c)
{
return c >= 'A' && c <= 'Z';
}
/** Checks for an lowercase letter. */
int
islower (int c)
{
return c >= 'a' && c <= 'z';
}
/** Checks for an alphabetic character.
In the standard "C" locale, it is equivalent to (isupper (c) || islower (c)). */
int
isalpha (int c)
{
return isupper (c) || islower (c);
}
/** Checks for a digit (0 through 9). */
int
isdigit (int c)
{
return c >= '0' && c <= '9';
}
/** checks for a hexadecimal digits, that is, one of
0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F. */
int
isxdigit (int c)
{
return isdigit (c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
}
/**
* Generate pseudo-random integer
*