Pre-sanitize the command before handling
- Use a global pointer for the current sanitized command - Pre-sanitize the current command to bypass `N` and nullify `*`, removing the need for handlers to bypass, ignore, or nullify these parts, and reducing overhead for `code_seen`, etc. - Pre-skip leading whitespace. - Only look for G, M, T codes at the start of the command. - Verify that G, M, T codes are followed by command codes.
This commit is contained in:
Scott Lahteine
parent
cad248fc55
commit
3a4c3ab76e
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@ -236,6 +236,7 @@ bool axis_known_position[3] = { false };
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static long gcode_N, gcode_LastN, Stopped_gcode_LastN = 0;
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static char *current_command;
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static int cmd_queue_index_r = 0;
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static int cmd_queue_index_w = 0;
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static int commands_in_queue = 0;
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@ -940,7 +941,7 @@ long code_value_long() { return strtol(strchr_pointer + 1, NULL, 10); }
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int16_t code_value_short() { return (int16_t)strtol(strchr_pointer + 1, NULL, 10); }
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bool code_seen(char code) {
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strchr_pointer = strchr(command_queue[cmd_queue_index_r], code);
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strchr_pointer = strchr(current_command, code);
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return (strchr_pointer != NULL); //Return True if a character was found
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}
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@ -2843,7 +2844,7 @@ inline void gcode_G92() {
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* M1: // M1 - Conditional stop - Wait for user button press on LCD
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*/
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inline void gcode_M0_M1() {
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char *src = strchr_pointer + 2;
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char *args = strchr_pointer + 3;
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millis_t codenum = 0;
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bool hasP = false, hasS = false;
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@ -2855,11 +2856,9 @@ inline void gcode_G92() {
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codenum = code_value() * 1000; // seconds to wait
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hasS = codenum > 0;
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}
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char* starpos = strchr(src, '*');
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if (starpos != NULL) *(starpos) = '\0';
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while (*src == ' ') ++src;
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if (!hasP && !hasS && *src != '\0')
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lcd_setstatus(src, true);
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if (!hasP && !hasS && *args != '\0')
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lcd_setstatus(args, true);
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else {
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LCD_MESSAGEPGM(MSG_USERWAIT);
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#if defined(LCD_PROGRESS_BAR) && PROGRESS_MSG_EXPIRE > 0
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@ -2932,10 +2931,7 @@ inline void gcode_M17() {
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* M23: Select a file
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*/
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inline void gcode_M23() {
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char* codepos = strchr_pointer + 4;
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char* starpos = strchr(codepos, '*');
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if (starpos) *starpos = '\0';
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card.openFile(codepos, true);
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card.openFile(strchr_pointer + 4, true);
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}
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/**
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@ -2972,14 +2968,7 @@ inline void gcode_M17() {
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* M28: Start SD Write
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*/
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inline void gcode_M28() {
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char* codepos = strchr_pointer + 4;
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char* starpos = strchr(codepos, '*');
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if (starpos) {
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char* npos = strchr(command_queue[cmd_queue_index_r], 'N');
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strchr_pointer = strchr(npos, ' ') + 1;
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*(starpos) = '\0';
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}
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card.openFile(codepos, false);
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card.openFile(strchr_pointer + 4, false);
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}
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/**
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@ -2996,12 +2985,6 @@ inline void gcode_M17() {
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inline void gcode_M30() {
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if (card.cardOK) {
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card.closefile();
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char* starpos = strchr(strchr_pointer + 4, '*');
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if (starpos) {
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char* npos = strchr(command_queue[cmd_queue_index_r], 'N');
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strchr_pointer = strchr(npos, ' ') + 1;
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*(starpos) = '\0';
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}
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card.removeFile(strchr_pointer + 4);
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}
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}
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@ -3032,17 +3015,14 @@ inline void gcode_M31() {
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if (card.sdprinting)
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st_synchronize();
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char* codepos = strchr_pointer + 4;
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char* args = strchr_pointer + 4;
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char* namestartpos = strchr(codepos, '!'); //find ! to indicate filename string start.
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char* namestartpos = strchr(args, '!'); // Find ! to indicate filename string start.
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if (!namestartpos)
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namestartpos = codepos; //default name position, 4 letters after the M
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namestartpos = args; // Default name position, 4 letters after the M
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else
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namestartpos++; //to skip the '!'
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char* starpos = strchr(codepos, '*');
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if (starpos) *(starpos) = '\0';
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bool call_procedure = code_seen('P') && (strchr_pointer < namestartpos);
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if (card.cardOK) {
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@ -3061,12 +3041,6 @@ inline void gcode_M31() {
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* M928: Start SD Write
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*/
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inline void gcode_M928() {
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char* starpos = strchr(strchr_pointer + 5, '*');
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if (starpos) {
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char* npos = strchr(command_queue[cmd_queue_index_r], 'N');
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strchr_pointer = strchr(npos, ' ') + 1;
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*(starpos) = '\0';
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}
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card.openLogFile(strchr_pointer + 5);
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}
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@ -4163,7 +4137,7 @@ inline void gcode_M206() {
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default:
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SERIAL_ECHO_START;
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SERIAL_ECHOPGM(MSG_UNKNOWN_COMMAND);
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SERIAL_ECHO(command_queue[cmd_queue_index_r]);
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SERIAL_ECHO(current_command);
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SERIAL_ECHOLNPGM("\"");
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return;
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}
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@ -5084,8 +5058,7 @@ inline void gcode_M999() {
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*
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* F[mm/min] Set the movement feedrate
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*/
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inline void gcode_T() {
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uint16_t tmp_extruder = code_value_short();
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inline void gcode_T(uint8_t tmp_extruder) {
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if (tmp_extruder >= EXTRUDERS) {
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SERIAL_ECHO_START;
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SERIAL_CHAR('T');
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@ -5188,17 +5161,36 @@ inline void gcode_T() {
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}
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/**
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* Process Commands and dispatch them to handlers
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* Process a single command and dispatch it to its handler
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* This is called from the main loop()
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*/
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void process_next_command() {
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current_command = command_queue[cmd_queue_index_r];
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if ((marlin_debug_flags & DEBUG_ECHO)) {
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SERIAL_ECHO_START;
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SERIAL_ECHOLN(command_queue[cmd_queue_index_r]);
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SERIAL_ECHOLN(current_command);
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}
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if (code_seen('G')) {
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// Sanitize the current command:
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// - Skip leading spaces
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// - Bypass N...
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// - Overwrite * with nul to mark the end
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while (*current_command == ' ') ++current_command;
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if (*current_command == 'N' && current_command[1] >= '0' && current_command[1] <= '9') {
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while (*current_command != ' ') ++current_command;
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while (*current_command == ' ') ++current_command;
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}
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char *starpos = strchr(current_command, '*'); // * should always be the last parameter
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if (starpos) *starpos = '\0';
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// Get the command code as a character
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char command_code = *current_command;
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// code_value routines look at strchr_pointer + 1
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strchr_pointer = current_command;
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if (command_code == 'G' && code_has_value()) {
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int codenum = code_value_short();
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@ -5274,7 +5266,7 @@ void process_next_command() {
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}
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}
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else if (code_seen('M')) {
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else if (command_code == 'M' && code_has_value()) {
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switch (code_value_short()) {
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#ifdef ULTIPANEL
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case 0: // M0 - Unconditional stop - Wait for user button press on LCD
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@ -5704,14 +5696,14 @@ void process_next_command() {
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}
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}
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else if (code_seen('T')) {
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gcode_T();
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else if (command_code == 'T' && code_has_value()) {
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gcode_T(code_value_short());
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}
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else {
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SERIAL_ECHO_START;
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SERIAL_ECHOPGM(MSG_UNKNOWN_COMMAND);
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SERIAL_ECHO(command_queue[cmd_queue_index_r]);
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SERIAL_ECHO(current_command);
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SERIAL_ECHOLNPGM("\"");
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}
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