--- /dev/null
+/*
+ * 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"
+
+/*
+ * 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 = 0;
+
+ /* 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_write(str, 1, 1, stdout);
+ 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(void) {
+ 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));
+#ifdef _MSC_VER
+ vsnprintf_s(data, sizeof(data), sizeof(data), fmt, va);
+#else
+ vsnprintf(data, sizeof(data), fmt, va);
+#endif
+ 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;
+
+ 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.
+ */
+static void con_vprintmsg_c(int level, const char *name, size_t line, size_t column, 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:%d: \033[0;%dm%s: \033[0m", CON_CYAN, name, (int)line, (int)column, sel[level], msgtype);
+ else
+ print("%s:%d:%d: %s: ", name, (int)line, (int)column, msgtype);
+
+ vprint(msg, ap);
+ if (condname)
+ print(" [%s]\n", condname);
+ else
+ print("\n");
+}
+
+void con_vprintmsg(int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap) {
+ con_vprintmsg_c(level, name, line, column, msgtype, msg, ap, NULL);
+}
+
+void con_printmsg(int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...) {
+ va_list va;
+ va_start(va, msg);
+ con_vprintmsg(level, name, line, column, 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, ((lex_ctx*)ctx)->column, 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, ctx.column, 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;
+}