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gmqcc/conout.c
Dale Weiler 3b923a0183 fix
2013-02-11 18:02:42 +00:00

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/*
* Copyright (C) 2012, 2013
* Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "gmqcc.h"
#include <stdio.h>
/*
* isatty/STDERR_FILENO/STDOUT_FILNO
* + some other things likewise.
*/
#ifndef _WIN32
# include <unistd.h>
#else
# include <io.h>
/*
* Windows and it's posix underscore bullshit. We simply fix this
* with yay, another macro :P
*/
# define isatty _isatty
#endif
#define GMQCC_IS_STDOUT(X) ((FILE*)((void*)X) == stdout)
#define GMQCC_IS_STDERR(X) ((FILE*)((void*)X) == stderr)
#define GMQCC_IS_DEFINE(X) (GMQCC_IS_STDERR(X) || GMQCC_IS_STDOUT(X))
typedef struct {
FILE *handle_err;
FILE *handle_out;
int color_err;
int color_out;
} con_t;
/*
* Doing colored output on windows is fucking stupid. The linux way is
* the real way. So we emulate it on windows :)
*/
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
/*
* Windows doesn't have constants for FILENO, sadly but the docs tell
* use the constant values.
*/
#undef STDERR_FILENO
#undef STDOUT_FILENO
#define STDERR_FILENO 2
#define STDOUT_FILENO 1
enum {
RESET = 0,
BOLD = 1,
BLACK = 30,
RED,
GREEN,
YELLOW,
BLUE,
MAGENTA,
CYAN,
GRAY,
WHITE = GRAY
};
enum {
WBLACK,
WBLUE,
WGREEN = 2,
WRED = 4,
WINTENSE = 8,
WCYAN = WBLUE | WGREEN,
WMAGENTA = WBLUE | WRED,
WYELLOW = WGREEN | WRED,
WWHITE = WBLUE | WGREEN | WRED
};
static const int ansi2win[] = {
WBLACK,
WRED,
WGREEN,
WYELLOW,
WBLUE,
WMAGENTA,
WCYAN,
WWHITE
};
static int win_fputs(FILE *h, const char *str) {
/* state for translate */
int acolor;
int wcolor;
int icolor;
int state;
/* attributes */
int intense = -1;
int colors[] = {-1, -1 };
int colorpos = 1;
int length = 0;
CONSOLE_SCREEN_BUFFER_INFO cinfo;
GetConsoleScreenBufferInfo (
(GMQCC_IS_STDOUT(h)) ?
GetStdHandle(STD_OUTPUT_HANDLE) :
GetStdHandle(STD_ERROR_HANDLE), &cinfo
);
icolor = cinfo.wAttributes;
while (*str) {
if (*str == '\x1B')
state = '\x1B';
else if (state == '\x1B' && *str == '[')
state = '[';
else if (state == '[') {
if (*str != 'm') {
colors[colorpos] = *str;
colorpos--;
} else {
int find;
int mult;
for (find = colorpos + 1, acolor = 0, mult = 1; find < 2; find++) {
acolor += (colors[find] - 48) * mult;
mult *= 10;
}
/* convert to windows color */
if (acolor == BOLD)
intense = WINTENSE;
else if (acolor == RESET) {
intense = WBLACK;
wcolor = icolor;
}
else if (BLACK <= acolor && acolor <= WHITE)
wcolor = ansi2win[acolor - 30];
else if (acolor == 90) {
/* special gray really white man */
wcolor = WWHITE;
intense = WBLACK;
}
SetConsoleTextAttribute (
(GMQCC_IS_STDOUT(h)) ?
GetStdHandle(STD_OUTPUT_HANDLE) :
GetStdHandle(STD_ERROR_HANDLE),
wcolor | intense | (icolor & 0xF0)
);
colorpos = 1;
state = -1;
}
} else {
fs_file_putc(h, *str);
length ++;
}
str++;
}
/* restore */
SetConsoleTextAttribute(
(GMQCC_IS_STDOUT(h)) ?
GetStdHandle(STD_OUTPUT_HANDLE) :
GetStdHandle(STD_ERROR_HANDLE),
icolor
);
return length;
}
#endif
/*
* We use standard files as default. These can be changed at any time
* with con_change(F, F)
*/
static con_t console;
/*
* Enables color on output if supported.
* NOTE: The support for checking colors is NULL. On windows this will
* always work, on *nix it depends if the term has colors.
*
* NOTE: This prevents colored output to piped stdout/err via isatty
* checks.
*/
static void con_enablecolor() {
if (console.handle_err == stderr || console.handle_err == stdout)
console.color_err = !!(isatty(STDERR_FILENO));
if (console.handle_out == stderr || console.handle_out == stdout)
console.color_out = !!(isatty(STDOUT_FILENO));
}
/*
* Does a write to the handle with the format string and list of
* arguments. This colorizes for windows as well via translate
* step.
*/
static int con_write(FILE *handle, const char *fmt, va_list va) {
int ln;
#ifndef _WIN32
ln = vfprintf(handle, fmt, va);
#else
{
char data[4096];
memset(data, 0, sizeof(data));
vsnprintf(data, sizeof(data), fmt, va);
ln = (GMQCC_IS_DEFINE(handle)) ? win_fputs(handle, data) : fs_file_puts(handle, data);
}
#endif
return ln;
}
/**********************************************************************
* EXPOSED INTERFACE BEGINS
*********************************************************************/
void con_close() {
if (!GMQCC_IS_DEFINE(console.handle_err))
fs_file_close(console.handle_err);
if (!GMQCC_IS_DEFINE(console.handle_out))
fs_file_close(console.handle_out);
}
void con_color(int state) {
if (state)
con_enablecolor();
else {
console.color_err = 0;
console.color_out = 0;
}
}
void con_init() {
console.handle_err = stderr;
console.handle_out = stdout;
con_enablecolor();
}
void con_reset() {
con_close();
con_init ();
}
/*
* This is clever, say you want to change the console to use two
* files for out/err. You pass in two strings, it will properly
* close the existing handles (if they're not std* handles) and
* open them. Now say you want TO use stdout and stderr, this
* allows you to do that so long as you cast them to (char*).
* Say you need stdout for out, but want a file for error, you can
* do this too, just cast the stdout for (char*) and stick to a
* string for the error file.
*/
int con_change(const char *out, const char *err) {
con_close();
if (!out) out = (const char *)((!console.handle_out) ? stdout : console.handle_out);
if (!err) err = (const char *)((!console.handle_err) ? stderr : console.handle_err);
if (GMQCC_IS_DEFINE(out)) {
console.handle_out = GMQCC_IS_STDOUT(out) ? stdout : stderr;
con_enablecolor();
} else if (!(console.handle_out = fs_file_open(out, "w"))) return 0;
if (GMQCC_IS_DEFINE(err)) {
console.handle_err = GMQCC_IS_STDOUT(err) ? stdout : stderr;
con_enablecolor();
} else if (!(console.handle_err = fs_file_open(err, "w"))) return 0;
/* no buffering */
setvbuf(console.handle_out, NULL, _IONBF, 0);
setvbuf(console.handle_err, NULL, _IONBF, 0);
return 1;
}
/*
* Defaultizer because stdio.h shouldn't be used anywhere except here
* and inside file.c To prevent mis-match of wrapper-interfaces.
*/
FILE *con_default_out() {
return (console.handle_out = stdout);
}
FILE *con_default_err() {
return (console.handle_err = stderr);
}
int con_verr(const char *fmt, va_list va) {
return con_write(console.handle_err, fmt, va);
}
int con_vout(const char *fmt, va_list va) {
return con_write(console.handle_out, fmt, va);
}
/*
* Standard stdout/stderr printf functions used generally where they need
* to be used.
*/
int con_err(const char *fmt, ...) {
va_list va;
int ln = 0;
va_start(va, fmt);
con_verr(fmt, va);
va_end (va);
return ln;
}
int con_out(const char *fmt, ...) {
va_list va;
int ln = 0;
va_start(va, fmt);
con_vout(fmt, va);
va_end (va);
return ln;
}
/*
* Utility console message writes for lexer contexts. These will allow
* for reporting of file:line based on lexer context, These are used
* heavily in the parser/ir/ast.
*/
void con_vprintmsg_c(int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap, const char *condname) {
/* color selection table */
static int sel[] = {
CON_WHITE,
CON_CYAN,
CON_RED
};
int err = !!(level == LVL_ERROR);
int color = (err) ? console.color_err : console.color_out;
int (*print) (const char *, ...) = (err) ? &con_err : &con_out;
int (*vprint)(const char *, va_list) = (err) ? &con_verr : &con_vout;
if (color)
print("\033[0;%dm%s:%d: \033[0;%dm%s: \033[0m", CON_CYAN, name, (int)line, sel[level], msgtype);
else
print("%s:%d: %s: ", name, (int)line, msgtype);
vprint(msg, ap);
if (condname)
print(" [%s]\n", condname);
else
print("\n");
}
void con_vprintmsg(int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap) {
con_vprintmsg_c(level, name, line, msgtype, msg, ap, NULL);
}
void con_printmsg(int level, const char *name, size_t line, const char *msgtype, const char *msg, ...) {
va_list va;
va_start(va, msg);
con_vprintmsg(level, name, line, msgtype, msg, va);
va_end (va);
}
void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap) {
con_vprintmsg(lvl, ((lex_ctx*)ctx)->file, ((lex_ctx*)ctx)->line, msgtype, msg, ap);
}
void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...) {
va_list va;
va_start(va, msg);
con_cvprintmsg(ctx, lvl, msgtype, msg, va);
va_end (va);
}
/* General error interface */
size_t compile_errors = 0;
size_t compile_warnings = 0;
size_t compile_Werrors = 0;
static lex_ctx first_werror;
void compile_show_werrors()
{
con_cprintmsg((void*)&first_werror, LVL_ERROR, "first warning", "was here");
}
void vcompile_error(lex_ctx ctx, const char *msg, va_list ap)
{
++compile_errors;
con_cvprintmsg((void*)&ctx, LVL_ERROR, "error", msg, ap);
}
void compile_error(lex_ctx ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vcompile_error(ctx, msg, ap);
va_end(ap);
}
bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap)
{
const char *msgtype = "warning";
int lvl = LVL_WARNING;
char warn_name[1024];
if (!OPTS_WARN(warntype))
return false;
warn_name[0] = '-';
warn_name[1] = 'W';
(void)util_strtononcmd(opts_warn_list[warntype].name, warn_name+2, sizeof(warn_name)-2);
++compile_warnings;
if (OPTS_WERROR(warntype)) {
if (!compile_Werrors)
first_werror = ctx;
++compile_Werrors;
msgtype = "Werror";
if (OPTS_FLAG(BAIL_ON_WERROR)) {
msgtype = "error";
++compile_errors;
}
lvl = LVL_ERROR;
}
con_vprintmsg_c(lvl, ctx.file, ctx.line, msgtype, fmt, ap, warn_name);
return OPTS_WERROR(warntype) && OPTS_FLAG(BAIL_ON_WERROR);
}
bool GMQCC_WARN compile_warning(lex_ctx ctx, int warntype, const char *fmt, ...)
{
bool r;
va_list ap;
va_start(ap, fmt);
r = vcompile_warning(ctx, warntype, fmt, ap);
va_end(ap);
return r;
}
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