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parse.y: extra error message after no digits

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* parse.y (no_digits): return tINTEGER instead of unexpected
  end-of-input, to get rid of extra error messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-04-09 11:09:30 +00:00
parent 066af25b58
commit 6a57127222
2 changed files with 18 additions and 9 deletions
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18
parse.y
View file

@ -6840,6 +6840,15 @@ parse_rational(struct parser_params *p, char *str, int len, int seen_point)
return rb_rational_new(v, rb_int_positive_pow(10, fraclen));
}
static enum yytokentype
no_digits(struct parser_params *p)
{
yyerror0("numeric literal without digits");
if (peek(p, '_')) nextc(p);
/* dummy 0, for tUMINUS_NUM at numeric */
return set_integer_literal(p, INT2FIX(0), 0);
}
static enum yytokentype
parse_numeric(struct parser_params *p, int c)
{
@ -6854,7 +6863,6 @@ parse_numeric(struct parser_params *p, int c)
c = nextc(p);
}
if (c == '0') {
#define no_digits() do {yyerror0("numeric literal without digits"); return 0;} while (0)
int start = toklen(p);
c = nextc(p);
if (c == 'x' || c == 'X') {
@ -6875,7 +6883,7 @@ parse_numeric(struct parser_params *p, int c)
pushback(p, c);
tokfix(p);
if (toklen(p) == start) {
no_digits();
return no_digits(p);
}
else if (nondigit) goto trailing_uc;
suffix = number_literal_suffix(p, NUM_SUFFIX_ALL);
@ -6899,7 +6907,7 @@ parse_numeric(struct parser_params *p, int c)
pushback(p, c);
tokfix(p);
if (toklen(p) == start) {
no_digits();
return no_digits(p);
}
else if (nondigit) goto trailing_uc;
suffix = number_literal_suffix(p, NUM_SUFFIX_ALL);
@ -6923,7 +6931,7 @@ parse_numeric(struct parser_params *p, int c)
pushback(p, c);
tokfix(p);
if (toklen(p) == start) {
no_digits();
return no_digits(p);
}
else if (nondigit) goto trailing_uc;
suffix = number_literal_suffix(p, NUM_SUFFIX_ALL);
@ -6937,7 +6945,7 @@ parse_numeric(struct parser_params *p, int c)
/* prefixed octal */
c = nextc(p);
if (c == -1 || c == '_' || !ISDIGIT(c)) {
no_digits();
return no_digits(p);
}
}
if (c >= '0' && c <= '7') {

9
test/ruby/test_literal.rb
View file

@ -516,11 +516,12 @@ class TestRubyLiteral < Test::Unit::TestCase
}
}
bug2407 = '[ruby-dev:39798]'
head.each {|h|
if /^0/ =~ h
assert_syntax_error("#{h}_", /numeric literal without digits\Z/, "#{bug2407}: #{h.inspect}")
head.grep_v(/^0/) do |s|
head.grep(/^0/) do |h|
h = "#{s}#{h}_"
assert_syntax_error(h, /numeric literal without digits\Z/, "#{bug2407}: #{h.inspect}")
end
end
}
end
def test_float