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Fix floating number parsing. (#2628)

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This patches fixes floating point number parsing when the number starts with dot.

Fixes #2614.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg 2018-12-01 17:22:39 +01:00 committed by Akos Kiss
parent a08291eb12
commit bc1b13dcb6
2 changed files with 23 additions and 4 deletions
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7
jerry-core/parser/js/js-lexer.c
View File

@ -958,13 +958,12 @@ lexer_parse_number (parser_context_t *context_p) /**< context */
}
else
{
do
while (source_p < source_end_p
&& source_p[0] >= LIT_CHAR_0
&& source_p[0] <= LIT_CHAR_9)
{
source_p++;
}
while (source_p < source_end_p
&& source_p[0] >= LIT_CHAR_0
&& source_p[0] <= LIT_CHAR_9);
can_be_float = true;
}

20
tests/jerry/regression-test-issue-2614.js Normal file
View File

@ -0,0 +1,20 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// 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.
try {
eval(".5.");
assert(false);
} catch(e) {
assert(e instanceof SyntaxError);
}