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Bug fixes

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This commit is contained in:
Justin Ethier 2017-08-18 17:52:06 -04:00
parent fb18bf46ce
commit e01815ae21
3 changed files with 22 additions and 10 deletions
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1
CHANGELOG.md
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@ -10,6 +10,7 @@ Features
Bug Fixes
- Prevent `remainder` from crashing the runtime due to divide by zero.
- Avoid printing an unnecessary colon after certain error messages.
## 0.5.4 - August 3, 2017

12
runtime.c
View file

@ -5745,7 +5745,7 @@ void _read_line_comment(port_type *p)
}
if (p->mem_buf[p->buf_idx++] == '\n') {
p->line_num++; // Ignore col_num since we are just skipping over chars
p->col_num = 0;
p->col_num = 1;
break;
}
}
@ -5780,7 +5780,7 @@ void _read_multiline_comment(port_type *p)
if (p->mem_buf[p->buf_idx] == '\n') {
p->line_num++;
p->col_num = 0;
p->col_num = 1;
} else {
p->col_num++;
}
@ -5804,7 +5804,7 @@ void _read_whitespace(port_type *p)
if (p->mem_buf[p->buf_idx] == '\n') {
p->buf_idx++;
p->line_num++; // Ignore col_num since we are just skipping over chars
p->col_num = 0;
p->col_num = 1;
break;
} else if (isspace(p->mem_buf[p->buf_idx])) {
p->buf_idx++;
@ -5921,7 +5921,7 @@ void _read_string(void *data, object cont, port_type *p)
escaped = 1;
} else if (c == '\n') {
p->line_num++;
p->col_num = 0;
p->col_num = 1;
_read_add_to_tok_buf(p, c);
} else {
_read_add_to_tok_buf(p, c);
@ -5956,7 +5956,7 @@ void _read_literal_identifier(void *data, port_type *p)
}
} else if (c == '\n') {
p->line_num++;
p->col_num = 0;
p->col_num = 1;
_read_add_to_tok_buf(p, c);
} else {
_read_add_to_tok_buf(p, c);
@ -6194,7 +6194,7 @@ void Cyc_io_read_token(void *data, object cont, object port)
} else if (c == '\n') {
if (p->tok_end) _read_return_atom(data, cont, p);
p->line_num++;
p->col_num = 0;
p->col_num = 1;
} else if (isspace(c)) {
if (p->tok_end) _read_return_atom(data, cont, p);
_read_whitespace(p);

19
scheme/read.sld
View file

@ -54,7 +54,7 @@
(car args))))
(let ((result (parse fp)))
(if (Cyc-opaque? result)
(error "unexpected closing parenthesis")
(read-error fp "unexpected closing parenthesis")
result)))))
;; read-all -> port -> [objects]
@ -82,6 +82,17 @@
"(void *data, int argc, closure _, object k, object port)"
" Cyc_io_read_token(data, k, port);")
(define-c read-error
"(void *data, int argc, closure _, object k, object port, object msg)"
" char buf[1024];
port_type *p;
Cyc_check_port(data, port);
Cyc_check_str(data, msg);
p = ((port_type *)port);
snprintf(buf, 1023, \"(line %d, column %d): %s\",
p->line_num, p->col_num, string_str(msg));
Cyc_rt_raise_msg(data, buf);")
(define-c Cyc-opaque-eq?
"(void *data, int argc, closure _, object k, object opq, object obj)"
" if (Cyc_is_opaque(opq) == boolean_f)
@ -104,7 +115,7 @@
(t (parse fp)))
(cond
((eof-object? t)
(error "missing closing parenthesis"))
(read-error fp "missing closing parenthesis"))
((Cyc-opaque-eq? t #\))
(if (and (> (length lis) 2)
(equal? (cadr lis) (string->symbol ".")))
@ -135,7 +146,7 @@
(t (parse fp)))
(cond
((eof-object? t)
(error "missing closing parenthesis"))
(read-error fp "missing closing parenthesis"))
((Cyc-opaque-eq? t #\))
(list->vector (reverse lis)))
(else
@ -145,7 +156,7 @@
(t (parse fp)))
(cond
((eof-object? t)
(error "missing closing parenthesis"))
(read-error fp "missing closing parenthesis"))
((Cyc-opaque-eq? t #\))
(apply bytevector (reverse lis)))
(else