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https://github.com/jart/cosmopolitan.git
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Make terminal ui binaries work well everywhere
Here's some screenshots of an emulator tui program that was compiled on Linux, then scp'd it to Windows, Mac, and FreeBSD. https://justine.storage.googleapis.com/blinkenlights-cmdexe.png https://justine.storage.googleapis.com/blinkenlights-imac.png https://justine.storage.googleapis.com/blinkenlights-freebsd.png https://justine.storage.googleapis.com/blinkenlights-lisp.png How is this even possible that we have a nontrivial ui binary that just works on Mac, Windows, Linux, and BSD? Surely a first ever achievement. Fixed many bugs. Bootstrapped John McCarthy's metacircular evaluator on bare metal in half the size of Altair BASIC (about 2.5kb) and ran it in emulator for fun and profit.
This commit is contained in:
Justine Tunney
parent
680daf1210
commit
9e3e985ae5
276 changed files with 7026 additions and 3790 deletions
104
examples/kilo.c
104
examples/kilo.c
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@ -51,6 +51,7 @@ Contact: antirez@gmail.com\"\n\
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*/
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#define KILO_VERSION "0.0.1"
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#define SYNTAX 1
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#ifndef _BSD_SOURCE
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#define _BSD_SOURCE
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@ -169,14 +170,16 @@ void editorSetStatusMessage(const char *fmt, ...);
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* There is no support to highlight patterns currently. */
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/* C / C++ */
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const char *const C_HL_extensions[] = {".c", ".cpp", NULL};
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const char *const C_HL_extensions[] = {".c", ".h", ".cpp", NULL};
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const char *const C_HL_keywords[] = {
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/* A few C / C++ keywords */
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"switch", "if", "while", "for", "break", "continue", "return", "else",
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"struct", "union", "typedef", "static", "enum", "class",
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/* C types */
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"int|", "long|", "double|", "float|", "char|", "unsigned|", "signed|",
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"void|", NULL};
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"void|", "const|", "size_t|", "ssize_t|", "uint8_t|", "int8_t|",
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"uint16_t|", "int16_t|", "uint32_t|", "int32_t|", "uint64_t|", "int64_t|",
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NULL};
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/* Here we define an array of syntax highlights by extensions, keywords,
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* comments delimiters and flags. */
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@ -201,7 +204,10 @@ void disableRawMode(int64_t fd) {
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/* Called at exit to avoid remaining in raw mode. */
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void editorAtExit(void) {
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char buf[64];
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disableRawMode(STDIN_FILENO);
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write(STDOUT_FILENO, buf,
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sprintf(buf, "\e[%d;%dH\r\n\r\n\r\n", E.screenrows, E.screencols));
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}
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/* Raw mode: 1960 magic shit. */
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@ -530,8 +536,10 @@ void editorUpdateSyntax(erow *row) {
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* state changed. This may recursively affect all the following rows
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* in the file. */
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int oc = editorRowHasOpenComment(row);
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/* if (row->hl_oc != oc && row->idx + 1 < E.numrows) */
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/* editorUpdateSyntax(&E.row[row->idx + 1]); */
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#if SYNTAX
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if (row->hl_oc != oc && row->idx + 1 < E.numrows)
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editorUpdateSyntax(&E.row[row->idx + 1]);
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#endif
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row->hl_oc = oc;
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}
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@ -586,15 +594,17 @@ void editorUpdateRow(erow *row) {
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* respecting tabs, substituting non printable characters with '?'. */
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free(row->render);
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for (j = 0; j < row->size; j++) {
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if (row->chars[j] == CTRL('I')) tabs++;
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if (row->chars[j] == '\t') tabs++;
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}
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row->render = malloc(row->size + tabs * 8 + nonprint * 9 + 1);
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idx = 0;
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for (j = 0; j < row->size; j++) {
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if (row->chars[j] == CTRL('I')) {
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if (row->chars[j] == '\t') {
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row->render[idx++] = ' ';
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while ((idx + 1) % 8 != 0) row->render[idx++] = ' ';
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while (idx % 8 != 0) {
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row->render[idx++] = ' ';
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}
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} else {
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row->render[idx++] = row->chars[j];
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}
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@ -603,7 +613,9 @@ void editorUpdateRow(erow *row) {
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row->render[idx] = '\0';
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/* Update the syntax highlighting attributes of the row. */
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/* editorUpdateSyntax(row); */
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#if SYNTAX
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editorUpdateSyntax(row);
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#endif
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}
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/* Insert a row at the specified position, shifting the other rows on the bottom
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@ -918,38 +930,46 @@ void editorRefreshScreen(void) {
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r = &E.row[filerow];
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int len = r->rsize - E.coloff;
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/* int current_color = -1; */
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#if SYNTAX
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int current_color = -1;
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#endif
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if (len > 0) {
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if (len > E.screencols) len = E.screencols;
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char *c = r->render + E.coloff;
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/* unsigned char *hl = r->hl + E.coloff; */
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#if SYNTAX
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unsigned char *hl = r->hl + E.coloff;
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#endif
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int j;
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for (j = 0; j < len; j++) {
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/* if (hl[j] == HL_NONPRINT) { */
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/* char sym; */
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/* abAppend(&ab, "\e[7m", 4); */
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/* if (c[j] <= 26) */
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/* sym = '@' + c[j]; */
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/* else */
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/* sym = '?'; */
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/* abAppend(&ab, &sym, 1); */
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/* abAppend(&ab, "\e[0m", 4); */
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/* } else if (hl[j] == HL_NORMAL) { */
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/* if (current_color != -1) { */
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/* abAppend(&ab, "\e[39m", 5); */
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/* current_color = -1; */
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/* } */
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abAppend(&ab, c + j, 1);
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/* } else { */
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/* int color = editorSyntaxToColor(hl[j]); */
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/* if (color != current_color) { */
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/* char buf_[16]; */
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/* int clen = snprintf(buf_, sizeof(buf_), "\e[%dm", color); */
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/* current_color = color; */
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/* abAppend(&ab, buf_, clen); */
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/* } */
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/* abAppend(&ab, c + j, 1); */
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/* } */
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#if SYNTAX
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if (hl[j] == HL_NONPRINT) {
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char sym;
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abAppend(&ab, "\e[7m", 4);
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if (c[j] <= 26)
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sym = '@' + c[j];
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else
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sym = '?';
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abAppend(&ab, &sym, 1);
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abAppend(&ab, "\e[0m", 4);
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} else if (hl[j] == HL_NORMAL) {
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if (current_color != -1) {
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abAppend(&ab, "\e[39m", 5);
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current_color = -1;
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}
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#endif
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abAppend(&ab, c + j, 1);
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#if SYNTAX
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} else {
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int color = editorSyntaxToColor(hl[j]);
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if (color != current_color) {
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char buf_[16];
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int clen = snprintf(buf_, sizeof(buf_), "\e[%dm", color);
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current_color = color;
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abAppend(&ab, buf_, clen);
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}
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abAppend(&ab, c + j, 1);
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}
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#endif
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}
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}
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abAppend(&ab, "\e[39m", 5);
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@ -1200,8 +1220,8 @@ void editorMoveCursor(int key) {
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void editorProcessKeypress(int64_t fd) {
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/* When the file is modified, requires Ctrl-q to be pressed N times
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* before actually quitting. */
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int c, times;
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static int quit_times;
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int c, c2, times, oldcx;
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c = editorReadKey(fd);
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switch (c) {
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@ -1226,16 +1246,16 @@ void editorProcessKeypress(int64_t fd) {
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case CTRL('U'):
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case CTRL('X'): {
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int c2 = editorReadKey(fd);
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c2 = editorReadKey(fd);
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switch (c2) {
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case CTRL('S'):
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editorSave();
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break;
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case CTRL('C'):
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/* Erase in Display (ED): Clear from cursor to end of screen. */
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write(STDOUT_FILENO, "\r\e[0J", 5);
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case CTRL('C'): {
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/* write(STDOUT_FILENO, "\r\e[0J", 5); */
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exit(0);
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break;
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}
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default: /* ignore */
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break;
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}
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@ -1254,7 +1274,7 @@ void editorProcessKeypress(int64_t fd) {
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break;
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case CTRL('K'): { /* Kill Line */
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int oldcx = E.cx;
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oldcx = E.cx;
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do {
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editorMoveCursor(ARROW_RIGHT);
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} while (E.cx);
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@ -1294,7 +1314,7 @@ void editorProcessKeypress(int64_t fd) {
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case HOME_KEY:
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case CTRL('A'):
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while (E.cx) editorMoveCursor(ARROW_LEFT);
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while (E.cx || E.coloff) editorMoveCursor(ARROW_LEFT);
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break;
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case END_KEY:
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case CTRL('E'):
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