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Add support of octal integer literals

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This commit is contained in:
Ilmir Usmanov
2014-10-13 17:45:20 +04:00
parent c33afca360
commit 8a517ab03e
6 changed files with 85 additions and 10 deletions
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src/libjsparser/lexer.c
+37 -10
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@@ -20,6 +20,7 @@
#include "stack.h"
#include "opcodes.h"
#include "parse-error.h"
#include "parser.h"
static token saved_token, prev_token, sent_token;
static token empty_token =
@@ -750,22 +751,48 @@ parse_number (void)
}
tok_length = (size_t) (buffer - token_start);;
for (i = 0; i < tok_length; i++)
if (*token_start == '0' && tok_length != 1)
{
if (!is_overflow)
if (parser_strict_mode ())
{
res = res * 10 + hex_to_int (token_start[i]);
PARSE_ERROR ("Octal tnteger literals are not allowed in strict mode", token_start - buffer_start);
}
else
for (i = 0; i < tok_length; i++)
{
fp_res = fp_res * 10 + (ecma_number_t) hex_to_int (token_start[i]);
if (!is_overflow)
{
res = res * 8 + hex_to_int (token_start[i]);
}
else
{
fp_res = fp_res * 8 + (ecma_number_t) hex_to_int (token_start[i]);
}
if (res > 255)
{
fp_res = (ecma_number_t) res;
is_overflow = true;
res = 0;
}
}
if (res > 255)
}
else
{
for (i = 0; i < tok_length; i++)
{
fp_res = (ecma_number_t) res;
is_overflow = true;
res = 0;
if (!is_overflow)
{
res = res * 10 + hex_to_int (token_start[i]);
}
else
{
fp_res = fp_res * 10 + (ecma_number_t) hex_to_int (token_start[i]);
}
if (res > 255)
{
fp_res = (ecma_number_t) res;
is_overflow = true;
res = 0;
}
}
}