use `int` in place of `char` when you compare it to EOF

This commit is contained in:
Sunrim KIM on Raspberry Pi 2014-07-27 17:05:57 +09:00
parent d8692c1cc0
commit 331fe21297
4 changed files with 69 additions and 67 deletions

View File

@ -107,7 +107,7 @@ pic_get_output_string(pic_state *pic, struct pic_port *port)
void
pic_close_port(pic_state *pic, struct pic_port *port)
{
if (xfclose(port->file) == EOF) {
if ((int)xfclose(port->file) == (int)EOF) {
pic_error(pic, "close-port: failure");
}
port->status = PIC_PORT_CLOSE;
@ -377,7 +377,7 @@ pic_port_get_output_bytevector(pic_state *pic)
static pic_value
pic_port_read_char(pic_state *pic)
{
char c;
int c;
struct pic_port *port = pic_stdin(pic);
pic_get_args(pic, "|p", &port);
@ -388,14 +388,14 @@ pic_port_read_char(pic_state *pic)
return pic_eof_object();
}
else {
return pic_char_value(c);
return pic_char_value((char)c);
}
}
static pic_value
pic_port_peek_char(pic_state *pic)
{
char c;
int c;
struct pic_port *port = pic_stdin(pic);
pic_get_args(pic, "|p", &port);
@ -407,14 +407,14 @@ pic_port_peek_char(pic_state *pic)
}
else {
xungetc(c, port->file);
return pic_char_value(c);
return pic_char_value((char)c);
}
}
static pic_value
pic_port_read_line(pic_state *pic)
{
char c;
int c;
struct pic_port *port = pic_stdin(pic), *buf;
struct pic_string *str;
@ -453,12 +453,13 @@ pic_port_read_string(pic_state *pic){
struct pic_port *port = pic_stdin(pic), *buf;
pic_str *str;
int k, i;
char c;
int c;
pic_get_args(pic, "i|p", &k, &port);
assert_port_profile(port, PIC_PORT_IN | PIC_PORT_TEXT, PIC_PORT_OPEN, "read-stritg");
c = EOF;
buf = pic_open_output_string(pic);
for(i = 0; i < k; ++i) {
c = xfgetc(port->file);
@ -481,7 +482,7 @@ pic_port_read_string(pic_state *pic){
static pic_value
pic_port_read_byte(pic_state *pic){
struct pic_port *port = pic_stdin(pic);
char c;
int c;
pic_get_args(pic, "|p", &port);
assert_port_profile(port, PIC_PORT_IN | PIC_PORT_BINARY, PIC_PORT_OPEN, "read-u8");
@ -495,14 +496,15 @@ pic_port_read_byte(pic_state *pic){
static pic_value
pic_port_peek_byte(pic_state *pic)
{
char c;
int c;
struct pic_port *port = pic_stdin(pic);
pic_get_args(pic, "|p", &port);
assert_port_profile(port, PIC_PORT_IN | PIC_PORT_BINARY, PIC_PORT_OPEN, "peek-u8");
if ((c = xfgetc(port->file)) == EOF) {
c = xfgetc(port->file);
if (c == EOF) {
return pic_eof_object();
}
else {

View File

@ -13,10 +13,10 @@
#include "picrin/blob.h"
#include "picrin/port.h"
typedef pic_value (*read_func_t)(pic_state *, struct pic_port *, char);
typedef pic_value (*read_func_t)(pic_state *, struct pic_port *, int);
static pic_value read(pic_state *pic, struct pic_port *port, char c);
static pic_value read_nullable(pic_state *pic, struct pic_port *port, char c);
static pic_value read(pic_state *pic, struct pic_port *port, int c);
static pic_value read_nullable(pic_state *pic, struct pic_port *port, int c);
static noreturn void
read_error(pic_state *pic, const char *msg)
@ -24,8 +24,8 @@ read_error(pic_state *pic, const char *msg)
pic_throw(pic, PIC_ERROR_READ, msg, pic_nil_value());
}
static char
skip(struct pic_port *port, char c)
static int
skip(struct pic_port *port, int c)
{
while (isspace(c)) {
c = xfgetc(port->file);
@ -33,16 +33,16 @@ skip(struct pic_port *port, char c)
return c;
}
static char
static int
next(struct pic_port *port)
{
return xfgetc(port->file);
}
static char
static int
peek(struct pic_port *port)
{
char c;
int c;
xungetc((c = xfgetc(port->file)), port->file);
@ -52,9 +52,9 @@ peek(struct pic_port *port)
static bool
expect(struct pic_port *port, const char *str)
{
char c;
int c;
while ((c = *str++) != 0) {
while ((c = (int)*str++) != 0) {
if (c != peek(port))
return false;
next(port);
@ -64,9 +64,9 @@ expect(struct pic_port *port, const char *str)
}
static bool
isdelim(char c)
isdelim(int c)
{
return c == EOF || strchr("();,|\" \t\n\r", c) != NULL; /* ignores "#", "'" */
return c == EOF || strchr("();,|\" \t\n\r", (char)c) != NULL; /* ignores "#", "'" */
}
static bool
@ -82,7 +82,7 @@ strcaseeq(const char *s1, const char *s2)
}
static pic_value
read_comment(pic_state *pic, struct pic_port *port, char c)
read_comment(pic_state *pic, struct pic_port *port, int c)
{
UNUSED(pic);
@ -94,9 +94,9 @@ read_comment(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_block_comment(pic_state *pic, struct pic_port *port, char c)
read_block_comment(pic_state *pic, struct pic_port *port, int c)
{
char x, y;
int x, y;
int i = 1;
UNUSED(pic);
@ -119,7 +119,7 @@ read_block_comment(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_datum_comment(pic_state *pic, struct pic_port *port, char c)
read_datum_comment(pic_state *pic, struct pic_port *port, int c)
{
UNUSED(c);
@ -129,9 +129,9 @@ read_datum_comment(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_directive(pic_state *pic, struct pic_port *port, char c)
read_directive(pic_state *pic, struct pic_port *port, int c)
{
switch (peek(port)) {
switch ((char)peek(port)) {
case 'n':
if (expect(port, "no-fold-case")) {
/* :FIXME: set no-fold-case flag */
@ -150,7 +150,7 @@ read_directive(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_quote(pic_state *pic, struct pic_port *port, char c)
read_quote(pic_state *pic, struct pic_port *port, int c)
{
UNUSED(c);
@ -158,7 +158,7 @@ read_quote(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_quasiquote(pic_state *pic, struct pic_port *port, char c)
read_quasiquote(pic_state *pic, struct pic_port *port, int c)
{
UNUSED(c);
@ -166,11 +166,11 @@ read_quasiquote(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_comma(pic_state *pic, struct pic_port *port, char c)
read_comma(pic_state *pic, struct pic_port *port, int c)
{
c = next(port);
if (c == '@') {
if ((char)c == '@') {
return pic_list2(pic, pic_sym_value(pic->sUNQUOTE_SPLICING), read(pic, port, next(port)));
} else {
return pic_list2(pic, pic_sym_value(pic->sUNQUOTE), read(pic, port, c));
@ -178,7 +178,7 @@ read_comma(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_symbol(pic_state *pic, struct pic_port *port, char c)
read_symbol(pic_state *pic, struct pic_port *port, int c)
{
size_t len;
char *buf;
@ -193,7 +193,7 @@ read_symbol(pic_state *pic, struct pic_port *port, char c)
}
len += 1;
buf = pic_realloc(pic, buf, len + 1);
buf[len - 1] = c;
buf[len - 1] = (char)c;
} while (! isdelim(peek(port)));
buf[len] = '\0';
@ -204,7 +204,7 @@ read_symbol(pic_state *pic, struct pic_port *port, char c)
}
static size_t
read_uinteger(pic_state *pic, struct pic_port *port, char c, char buf[])
read_uinteger(pic_state *pic, struct pic_port *port, int c, char buf[])
{
size_t i = 0;
@ -212,9 +212,9 @@ read_uinteger(pic_state *pic, struct pic_port *port, char c, char buf[])
read_error(pic, "expected one or more digits");
}
buf[i++] = c;
buf[i++] = (char)c;
while (isdigit(c = peek(port))) {
buf[i++] = next(port);
buf[i++] = (char)next(port);
}
buf[i] = '\0';
@ -223,7 +223,7 @@ read_uinteger(pic_state *pic, struct pic_port *port, char c, char buf[])
}
static pic_value
read_number(pic_state *pic, struct pic_port *port, char c)
read_number(pic_state *pic, struct pic_port *port, int c)
{
char buf[256];
size_t i;
@ -231,10 +231,10 @@ read_number(pic_state *pic, struct pic_port *port, char c)
i = read_uinteger(pic, port, c, buf);
switch (peek(port)) {
switch ((char)peek(port)) {
case '.':
do {
buf[i++] = next(port);
buf[i++] = (char)next(port);
} while (isdigit(peek(port)));
buf[i] = '\0';
return pic_float_value(atof(buf));
@ -265,7 +265,7 @@ negate(pic_value n)
}
static pic_value
read_minus(pic_state *pic, struct pic_port *port, char c)
read_minus(pic_state *pic, struct pic_port *port, int c)
{
pic_value sym;
@ -285,7 +285,7 @@ read_minus(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_plus(pic_state *pic, struct pic_port *port, char c)
read_plus(pic_state *pic, struct pic_port *port, int c)
{
pic_value sym;
@ -305,13 +305,13 @@ read_plus(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_boolean(pic_state *pic, struct pic_port *port, char c)
read_boolean(pic_state *pic, struct pic_port *port, int c)
{
UNUSED(pic);
UNUSED(port);
if (! isdelim(peek(port))) {
if (c == 't') {
if ((char)c == 't') {
if (! expect(port, "rue")) {
goto fail;
}
@ -322,7 +322,7 @@ read_boolean(pic_state *pic, struct pic_port *port, char c)
}
}
if (c == 't') {
if ((char)c == 't') {
return pic_true_value();
} else {
return pic_false_value();
@ -333,12 +333,12 @@ read_boolean(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_char(pic_state *pic, struct pic_port *port, char c)
read_char(pic_state *pic, struct pic_port *port, int c)
{
c = next(port);
if (! isdelim(peek(port))) {
switch (c) {
switch ((char)c) {
default: read_error(pic, "unexpected character after char literal");
case 'a': c = '\a'; if (! expect(port, "lerm")) goto fail; break;
case 'b': c = '\b'; if (! expect(port, "ackspace")) goto fail; break;
@ -368,7 +368,7 @@ read_char(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_string(pic_state *pic, struct pic_port *port, char c)
read_string(pic_state *pic, struct pic_port *port, int c)
{
char *buf;
size_t size, cnt;
@ -390,7 +390,7 @@ read_string(pic_state *pic, struct pic_port *port, char c)
case 'r': c = '\r'; break;
}
}
buf[cnt++] = c;
buf[cnt++] = (char)c;
if (cnt >= size) {
buf = pic_realloc(pic, buf, size *= 2);
}
@ -417,7 +417,7 @@ read_pipe(pic_state *pic, struct pic_port *port, char c)
cnt = 0;
while ((c = next(port)) != '|') {
if (c == '\\') {
switch (c = next(port)) {
switch ((char)(c = next(port))) {
case 'a': c = '\a'; break;
case 'b': c = '\b'; break;
case 't': c = '\t'; break;
@ -433,7 +433,7 @@ read_pipe(pic_state *pic, struct pic_port *port, char c)
break;
}
}
buf[cnt++] = c;
buf[cnt++] = (char)c;
if (cnt >= size) {
buf = pic_realloc(pic, buf, size *= 2);
}
@ -447,7 +447,7 @@ read_pipe(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_unsigned_blob(pic_state *pic, struct pic_port *port, char c)
read_unsigned_blob(pic_state *pic, struct pic_port *port, int c)
{
int nbits, n;
size_t len, i;
@ -493,7 +493,7 @@ read_unsigned_blob(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_pair(pic_state *pic, struct pic_port *port, char c)
read_pair(pic_state *pic, struct pic_port *port, int c)
{
char tOPEN = c, tCLOSE = (tOPEN == '(') ? ')' : ']';
pic_value car, cdr;
@ -530,7 +530,7 @@ read_pair(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_vector(pic_state *pic, struct pic_port *port, char c)
read_vector(pic_state *pic, struct pic_port *port, int c)
{
pic_value list;
@ -543,9 +543,9 @@ static pic_value
read_label_set(pic_state *pic, struct pic_port *port, int i)
{
pic_value val;
char c;
int c;
switch (c = skip(port, ' ')) {
switch ((char)(c = skip(port, ' '))) {
case '(': case '[':
{
pic_value tmp;
@ -612,7 +612,7 @@ read_label_ref(pic_state *pic, struct pic_port *port, int i)
}
static pic_value
read_label(pic_state *pic, struct pic_port *port, char c)
read_label(pic_state *pic, struct pic_port *port, int c)
{
int i;
@ -631,11 +631,11 @@ read_label(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_dispatch(pic_state *pic, struct pic_port *port, char c)
read_dispatch(pic_state *pic, struct pic_port *port, int c)
{
c = next(port);
switch (c) {
switch ((char)c) {
case '!':
return read_directive(pic, port, c);
case '|':
@ -659,7 +659,7 @@ read_dispatch(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read_nullable(pic_state *pic, struct pic_port *port, char c)
read_nullable(pic_state *pic, struct pic_port *port, int c)
{
c = skip(port, c);
@ -667,7 +667,7 @@ read_nullable(pic_state *pic, struct pic_port *port, char c)
read_error(pic, "unexpected EOF");
}
switch (c) {
switch ((char)c) {
case ';':
return read_comment(pic, port, c);
case '#':
@ -697,7 +697,7 @@ read_nullable(pic_state *pic, struct pic_port *port, char c)
}
static pic_value
read(pic_state *pic, struct pic_port *port, char c)
read(pic_state *pic, struct pic_port *port, int c)
{
pic_value val;
@ -716,7 +716,7 @@ pic_value
pic_read(pic_state *pic, struct pic_port *port)
{
pic_value val;
char c = next(port);
int c = next(port);
retry:
c = skip(port, c);

View File

@ -62,13 +62,13 @@ pic_strlen(pic_str *str)
char
pic_str_ref(pic_state *pic, pic_str *str, size_t i)
{
char c;
int c;
c = xr_at(str->rope, i);
if (c == -1) {
pic_errorf(pic, "index out of range %d", i);
}
return c;
return (char)c;
}
static xrope *

View File

@ -71,7 +71,7 @@ repl(pic_state *pic)
#if PIC_ENABLE_READLINE
char *read_line;
#else
char last_char;
int last_char;
int char_index;
#endif
@ -111,7 +111,7 @@ repl(pic_state *pic)
goto eof;
if (char_index == LINE_MAX_LENGTH)
goto overflow;
line[char_index++] = last_char;
line[char_index++] = (char)last_char;
}
line[char_index] = '\0';
#endif