--- /dev/null
+#include <stdio.h>
+#include "gmqcc.h"
+
+#define GMQCC_IS_STDOUT(X) ((X) == stdout)
+#define GMQCC_IS_STDERR(X) ((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;
+
+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) {
+ console.color_err = util_isatty(console.handle_err);
+ console.color_out = util_isatty(console.handle_out);
+}
+
+/*
+ * 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) {
+ return vfprintf(handle, fmt, va);
+}
+
+/**********************************************************************
+ * EXPOSED INTERFACE BEGINS
+ *********************************************************************/
+
+void con_close() {
+ if (!GMQCC_IS_DEFINE(console.handle_err))
+ fclose(console.handle_err);
+ if (!GMQCC_IS_DEFINE(console.handle_out))
+ fclose(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();
+}
+
+/*
+ * 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(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap) {
+ con_vprintmsg(lvl, ctx.file, ctx.line, ctx.column, msgtype, msg, ap);
+}
+
+void con_cprintmsg(lex_ctx_t 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: TODO seperate as part of the compiler front-end */
+size_t compile_errors = 0;
+size_t compile_warnings = 0;
+size_t compile_Werrors = 0;
+static lex_ctx_t first_werror;
+
+void compile_show_werrors()
+{
+ con_cprintmsg(first_werror, LVL_ERROR, "first warning", "was here");
+}
+
+void vcompile_error(lex_ctx_t ctx, const char *msg, va_list ap)
+{
+ ++compile_errors;
+ con_cvprintmsg(ctx, LVL_ERROR, "error", msg, ap);
+}
+
+void compile_error(lex_ctx_t 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_t 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_t 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;
+}
projects / xonotic / gmqcc.git / blobdiff