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Text Editor: remove support for syntax highlighting LUA

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Removed because support for languages which Blender it's self doesn't
support seems unnecessary.

Ref !108689
This commit is contained in:
Campbell Barton
2023-06-10 16:13:14 +10:00
parent 823514fd6f
commit 95ca04dc20
4 changed files with 0 additions and 353 deletions
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1
source/blender/editors/space_text/CMakeLists.txt
View File

@@ -27,7 +27,6 @@ set(SRC
text_autocomplete.cc
text_draw.cc
text_format.cc
text_format_lua.cc
text_format_osl.cc
text_format_pov.cc
text_format_pov_ini.cc

1
source/blender/editors/space_text/space_text.cc
View File

@@ -481,7 +481,6 @@ void ED_spacetype_text(void)
/* register formatters */
ED_text_format_register_py();
ED_text_format_register_osl();
ED_text_format_register_lua();
ED_text_format_register_pov();
ED_text_format_register_pov_ini();
}

1
source/blender/editors/space_text/text_format.hh
View File

@@ -112,7 +112,6 @@ void ED_text_format_register(TextFormatType *tft);
/* formatters */
void ED_text_format_register_py();
void ED_text_format_register_osl();
void ED_text_format_register_lua();
void ED_text_format_register_pov();
void ED_text_format_register_pov_ini();

350
source/blender/editors/space_text/text_format_lua.cc
View File

@@ -1,350 +0,0 @@
/* SPDX-FileCopyrightText: 2023 Blender Foundation
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup sptext
*/
#include <cstring>
#include "BLI_blenlib.h"
#include "DNA_space_types.h"
#include "DNA_text_types.h"
#include "BKE_text.h"
#include "text_format.hh"
/* *** Lua Keywords (for format_line) *** */
/**
* Checks the specified source string for a Lua keyword (minus boolean & 'nil').
* This name must start at the beginning of the source string and must be
* followed by a non-identifier (see #text_check_identifier(char)) or null char.
*
* If a keyword is found, the length of the matching word is returned.
* Otherwise, -1 is returned.
*
* See:
* http://www.lua.org/manual/5.1/manual.html#2.1
*/
static int txtfmt_lua_find_keyword(const char *string)
{
int i, len;
/* Keep aligned args for readability. */
/* clang-format off */
if (STR_LITERAL_STARTSWITH(string, "and", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "break", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "do", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "else", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "elseif", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "end", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "for", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "function", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "if", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "in", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "local", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "not", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "or", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "repeat", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "return", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "then", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "until", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "while", len)) { i = len;
} else { i = 0;
}
/* clang-format on */
/* If next source char is an identifier (eg. 'i' in "definite") no match */
if (i == 0 || text_check_identifier(string[i])) {
return -1;
}
return i;
}
/**
* Checks the specified source string for a Lua special name/function. This
* name must start at the beginning of the source string and must be followed
* by a non-identifier (see *text_check_identifier(char)) or null character.
*
* If a special name is found, the length of the matching name is returned.
* Otherwise, -1 is returned.
*
* See:
* http://www.lua.org/manual/5.1/manual.html#5.1
*/
static int txtfmt_lua_find_specialvar(const char *string)
{
int i, len;
/* Keep aligned args for readability. */
/* clang-format off */
if (STR_LITERAL_STARTSWITH(string, "assert", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "collectgarbage", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "dofile", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "error", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "_G", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "getfenv", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "getmetatable", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "__index", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "ipairs", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "load", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "loadfile", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "loadstring", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "next", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "pairs", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "pcall", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "print", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "rawequal", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "rawget", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "rawset", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "select", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "setfenv", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "setmetatable", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "tonumber", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "tostring", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "type", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "unpack", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "_VERSION", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "xpcall", len)) { i = len;
} else { i = 0;
}
/* clang-format on */
/* If next source char is an identifier (eg. 'i' in "definite") no match */
if (i == 0 || text_check_identifier(string[i])) {
return -1;
}
return i;
}
static int txtfmt_lua_find_bool(const char *string)
{
int i, len;
/* Keep aligned args for readability. */
/* clang-format off */
if (STR_LITERAL_STARTSWITH(string, "nil", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "true", len)) { i = len;
} else if (STR_LITERAL_STARTSWITH(string, "false", len)) { i = len;
} else { i = 0;
}
/* clang-format on */
/* If next source char is an identifier (eg. 'i' in "Nonetheless") no match */
if (i == 0 || text_check_identifier(string[i])) {
return -1;
}
return i;
}
static char txtfmt_lua_format_identifier(const char *str)
{
char fmt;
/* Keep aligned args for readability. */
/* clang-format off */
if (txtfmt_lua_find_specialvar(str) != -1) { fmt = FMT_TYPE_SPECIAL;
} else if (txtfmt_lua_find_keyword(str) != -1) { fmt = FMT_TYPE_KEYWORD;
} else { fmt = FMT_TYPE_DEFAULT;
}
/* clang-format on */
return fmt;
}
static void txtfmt_lua_format_line(SpaceText *st, TextLine *line, const bool do_next)
{
FlattenString fs;
const char *str;
char *fmt;
char cont_orig, cont, find, prev = ' ';
int len, i;
/* Get continuation from previous line */
if (line->prev && line->prev->format != nullptr) {
fmt = line->prev->format;
cont = fmt[strlen(fmt) + 1]; /* Just after the null-terminator */
BLI_assert((FMT_CONT_ALL & cont) == cont);
}
else {
cont = FMT_CONT_NOP;
}
/* Get original continuation from this line */
if (line->format != nullptr) {
fmt = line->format;
cont_orig = fmt[strlen(fmt) + 1]; /* Just after the null-terminator */
BLI_assert((FMT_CONT_ALL & cont_orig) == cont_orig);
}
else {
cont_orig = 0xFF;
}
len = flatten_string(st, &fs, line->line);
str = fs.buf;
if (!text_check_format_len(line, len)) {
flatten_string_free(&fs);
return;
}
fmt = line->format;
while (*str) {
/* Handle escape sequences by skipping both \ and next char */
if (*str == '\\') {
*fmt = prev;
fmt++;
str++;
if (*str == '\0') {
break;
}
*fmt = prev;
fmt++;
str += BLI_str_utf8_size_safe(str);
continue;
}
/* Handle continuations */
if (cont) {
/* Multi-line comments */
if (cont & FMT_CONT_COMMENT_C) {
if (*str == ']' && *(str + 1) == ']') {
*fmt = FMT_TYPE_COMMENT;
fmt++;
str++;
*fmt = FMT_TYPE_COMMENT;
cont = FMT_CONT_NOP;
}
else {
*fmt = FMT_TYPE_COMMENT;
}
/* Handle other comments */
}
else {
find = (cont & FMT_CONT_QUOTEDOUBLE) ? '"' : '\'';
if (*str == find) {
cont = 0;
}
*fmt = FMT_TYPE_STRING;
}
str += BLI_str_utf8_size_safe(str) - 1;
}
/* Not in a string... */
else {
/* Multi-line comments */
if (*str == '-' && *(str + 1) == '-' && *(str + 2) == '[' && *(str + 3) == '[') {
cont = FMT_CONT_COMMENT_C;
*fmt = FMT_TYPE_COMMENT;
fmt++;
str++;
*fmt = FMT_TYPE_COMMENT;
fmt++;
str++;
*fmt = FMT_TYPE_COMMENT;
fmt++;
str++;
*fmt = FMT_TYPE_COMMENT;
}
/* Single line comment */
else if (*str == '-' && *(str + 1) == '-') {
text_format_fill(&str, &fmt, FMT_TYPE_COMMENT, len - int(fmt - line->format));
}
else if (ELEM(*str, '"', '\'')) {
/* Strings */
find = *str;
cont = (*str == '"') ? FMT_CONT_QUOTEDOUBLE : FMT_CONT_QUOTESINGLE;
*fmt = FMT_TYPE_STRING;
}
/* White-space (all white-space has been converted to spaces). */
else if (*str == ' ') {
*fmt = FMT_TYPE_WHITESPACE;
}
/* Numbers (digits not part of an identifier and periods followed by digits) */
else if ((prev != FMT_TYPE_DEFAULT && text_check_digit(*str)) ||
(*str == '.' && text_check_digit(*(str + 1))))
{
*fmt = FMT_TYPE_NUMERAL;
}
/* Booleans */
else if (prev != FMT_TYPE_DEFAULT && (i = txtfmt_lua_find_bool(str)) != -1) {
if (i > 0) {
text_format_fill_ascii(&str, &fmt, FMT_TYPE_NUMERAL, i);
}
else {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
}
/* Punctuation */
else if ((*str != '#') && text_check_delim(*str)) {
*fmt = FMT_TYPE_SYMBOL;
}
/* Identifiers and other text (no previous white-space/delimiters so text continues). */
else if (prev == FMT_TYPE_DEFAULT) {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
/* Not white-space, a digit, punctuation, or continuing text.
* Must be new, check for special words. */
else {
/* Keep aligned arguments for readability. */
/* clang-format off */
/* Special `vars(v)` or built-in `keywords(b)` */
/* keep in sync with `txtfmt_osl_format_identifier()`. */
if ((i = txtfmt_lua_find_specialvar(str)) != -1) { prev = FMT_TYPE_SPECIAL;
} else if ((i = txtfmt_lua_find_keyword(str)) != -1) { prev = FMT_TYPE_KEYWORD;
}
/* clang-format on */
if (i > 0) {
text_format_fill_ascii(&str, &fmt, prev, i);
}
else {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
}
}
prev = *fmt;
fmt++;
str++;
}
/* Terminate and add continuation char */
*fmt = '\0';
fmt++;
*fmt = cont;
/* If continuation has changed and we're allowed, process the next line */
if (cont != cont_orig && do_next && line->next) {
txtfmt_lua_format_line(st, line->next, do_next);
}
flatten_string_free(&fs);
}
void ED_text_format_register_lua()
{
static TextFormatType tft = {nullptr};
static const char *ext[] = {"lua", nullptr};
tft.format_identifier = txtfmt_lua_format_identifier;
tft.format_line = txtfmt_lua_format_line;
tft.ext = ext;
tft.comment_line = "--";
ED_text_format_register(&tft);
}