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https://github.com/jart/cosmopolitan.git
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Add help dialog to Blinkenlights emulator
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parent
02b4a5c824
commit
5f1415af3a
9 changed files with 248 additions and 147 deletions
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@ -18,6 +18,7 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/elf/elf.h"
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#include "libc/log/check.h"
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#include "libc/runtime/gc.h"
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#include "libc/sysv/consts/map.h"
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@ -28,13 +29,15 @@
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void LoadDebugSymbols(struct Elf *elf) {
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int fd;
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size_t n;
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void *elfmap;
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struct stat st;
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const char *path;
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if (elf->ehdr) return;
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if (elf->ehdr && GetElfSymbolTable(elf->ehdr, elf->size, &n) && n) return;
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DCHECK_NOTNULL(elf->prog);
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fprintf(stderr, "HI %s\n", elf->prog);
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if ((fd = open(gc(xstrcat(elf->prog, ".dbg")), O_RDONLY)) != -1 ||
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(fd = open(elf->prog, O_RDONLY))) {
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(fd = open(elf->prog, O_RDONLY)) != -1) {
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if (fstat(fd, &st) != -1 &&
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(elfmap = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0)) !=
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MAP_FAILED) {
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@ -203,5 +203,5 @@ void DisLoadElf(struct Dis *d, struct Elf *elf) {
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DisLoadElfLoads(d, elf);
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DisLoadElfSyms(d, elf);
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DisSortSyms(d);
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DisCanonizeSyms(d);
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/* DisCanonizeSyms(d); */
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}
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54
tool/build/lib/lines.c
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54
tool/build/lib/lines.c
Normal file
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@ -0,0 +1,54 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/mem/mem.h"
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#include "libc/str/str.h"
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#include "tool/build/lib/lines.h"
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struct Lines *NewLines(void) {
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return calloc(1, sizeof(struct Lines));
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}
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void FreeLines(struct Lines *lines) {
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size_t i;
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for (i = 0; i < lines->n; ++i) {
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free(lines->p[i]);
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}
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free(lines);
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}
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void AppendLine(struct Lines *lines, const char *s, size_t n) {
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lines->p = realloc(lines->p, ++lines->n * sizeof(*lines->p));
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lines->p[lines->n - 1] = strndup(s, n);
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}
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void AppendLines(struct Lines *lines, const char *s) {
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const char *p;
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for (;;) {
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p = strchr(s, '\n');
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if (p) {
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AppendLine(lines, s, p - s);
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s = p + 1;
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} else {
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if (*s) {
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AppendLine(lines, s, -1);
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}
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break;
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}
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}
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}
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18
tool/build/lib/lines.h
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18
tool/build/lib/lines.h
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@ -0,0 +1,18 @@
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#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_LINES_H_
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#define COSMOPOLITAN_TOOL_BUILD_LIB_LINES_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct Lines {
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size_t n;
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char **p;
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};
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struct Lines *NewLines(void);
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void FreeLines(struct Lines *);
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void AppendLine(struct Lines *, const char *, size_t);
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void AppendLines(struct Lines *, const char *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_LINES_H_ */
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@ -140,7 +140,7 @@ void LoadProgram(struct Machine *m, const char *prog, char **args, char **vars,
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size_t i, mappedsize;
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DCHECK_NOTNULL(prog);
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elf->prog = prog;
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if ((fd = open(prog, O_RDWR)) == -1 ||
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if ((fd = open(prog, O_RDONLY)) == -1 ||
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(fstat(fd, &st) == -1 || !st.st_size)) {
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fputs(prog, stderr);
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fputs(": not found\n", stderr);
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@ -17,30 +17,51 @@
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/log/check.h"
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#include "libc/macros.h"
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#include "libc/math.h"
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#include "libc/mem/mem.h"
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#include "libc/str/str.h"
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#include "libc/unicode/unicode.h"
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#include "tool/build/lib/buffer.h"
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#include "tool/build/lib/lines.h"
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#include "tool/build/lib/panel.h"
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static int GetWidthOfLongestLine(struct Lines *lines) {
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int i, w, m;
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for (m = i = 0; i < lines->n; ++i) {
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w = strwidth(lines->p[i], 0);
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m = MAX(m, w);
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}
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return m;
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}
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void PrintMessageBox(int fd, const char *msg, long tyn, long txn) {
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char buf[1];
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struct Buffer b;
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int i, w, h, x, y;
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h = 2 + 1 + 2;
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w = 3 + strlen(msg) + 3;
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struct Lines *lines;
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lines = NewLines();
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AppendLines(lines, msg);
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h = 3 + lines->n + 3;
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w = 4 + GetWidthOfLongestLine(lines) + 4;
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x = lrint(txn / 2. - w / 2.);
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y = lrint(tyn / 2. - h / 2.);
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memset(&b, 0, sizeof(b));
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AppendFmt(&b, "\e[%d;%dH╔", y++, x);
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for (i = 0; i < w - 2; ++i) AppendStr(&b, "═");
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AppendStr(&b, "╗");
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AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, "");
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AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, msg);
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AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, "");
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AppendFmt(&b, "\e[%d;%dH╚", y++, x);
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for (i = 0; i < w - 2; ++i) AppendStr(&b, "═");
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AppendStr(&b, "╝");
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AppendFmt(&b, "\e[%d;%dH", y++, x);
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for (i = 0; i < w; ++i) AppendStr(&b, " ");
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AppendFmt(&b, "\e[%d;%dH ╔", y++, x);
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for (i = 0; i < w - 4; ++i) AppendStr(&b, "═");
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AppendStr(&b, "╗ ");
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AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, "");
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for (i = 0; i < lines->n; ++i) {
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AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, lines->p[i]);
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}
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FreeLines(lines);
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AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, "");
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AppendFmt(&b, "\e[%d;%dH ╚", y++, x);
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for (i = 0; i < w - 4; ++i) AppendStr(&b, "═");
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AppendStr(&b, "╝ ");
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AppendFmt(&b, "\e[%d;%dH", y++, x);
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for (i = 0; i < w; ++i) AppendStr(&b, " ");
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CHECK_NE(-1, WriteBuffer(&b, fd));
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free(b.p);
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}
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