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Change parser codebits from array to int32_t

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This commit is contained in:
Scott Lahteine 2018-01-23 20:49:01 -06:00
parent 053b1371c7
commit 80d3ded895
2 changed files with 18 additions and 19 deletions
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4
Marlin/src/gcode/parser.cpp
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@ -60,7 +60,7 @@ int GCodeParser::codenum;
#if ENABLED(FASTER_GCODE_PARSER) #if ENABLED(FASTER_GCODE_PARSER)
// Optimized Parameters // Optimized Parameters
byte GCodeParser::codebits[4]; // found bits uint32_t GCodeParser::codebits; // found bits
uint8_t GCodeParser::param[26]; // parameter offsets from command_ptr uint8_t GCodeParser::param[26]; // parameter offsets from command_ptr
#else #else
char *GCodeParser::command_args; // start of parameters char *GCodeParser::command_args; // start of parameters
@ -83,7 +83,7 @@ void GCodeParser::reset() {
subcode = 0; // No command sub-code subcode = 0; // No command sub-code
#endif #endif
#if ENABLED(FASTER_GCODE_PARSER) #if ENABLED(FASTER_GCODE_PARSER)
ZERO(codebits); // No codes yet codebits = 0; // No codes yet
//ZERO(param); // No parameters (should be safe to comment out this line) //ZERO(param); // No parameters (should be safe to comment out this line)
#endif #endif
} }

33
Marlin/src/gcode/parser.h
View File

@ -51,7 +51,7 @@ private:
static char *value_ptr; // Set by seen, used to fetch the value static char *value_ptr; // Set by seen, used to fetch the value
#if ENABLED(FASTER_GCODE_PARSER) #if ENABLED(FASTER_GCODE_PARSER)
static byte codebits[4]; // Parameters pre-scanned static uint32_t codebits; // Parameters pre-scanned
static uint8_t param[26]; // For A-Z, offsets into command args static uint8_t param[26]; // For A-Z, offsets into command args
#else #else
static char *command_args; // Args start here, for slow scan static char *command_args; // Args start here, for slow scan
@ -88,26 +88,22 @@ public:
// Reset is done before parsing // Reset is done before parsing
static void reset(); static void reset();
// Index so that 'X' falls on index 24 #define LETTER_BIT(N) ((N) - 'A')
#define PARAM_IND(N) ((N) >> 3)
#define PARAM_BIT(N) ((N) & 0x7)
#define LETTER_OFF(N) ((N) - 'A')
#define LETTER_IND(N) PARAM_IND(LETTER_OFF(N))
#define LETTER_BIT(N) PARAM_BIT(LETTER_OFF(N))
#if ENABLED(FASTER_GCODE_PARSER) #if ENABLED(FASTER_GCODE_PARSER)
// Set the flag and pointer for a parameter // Set the flag and pointer for a parameter
static void set(const char c, char * const ptr) { static void set(const char c, char * const ptr) {
const uint8_t ind = LETTER_OFF(c); const uint8_t ind = LETTER_BIT(c);
if (ind >= COUNT(param)) return; // Only A-Z if (ind >= COUNT(param)) return; // Only A-Z
SBI(codebits[PARAM_IND(ind)], PARAM_BIT(ind)); // parameter exists SBI(codebits, ind); // parameter exists
param[ind] = ptr ? ptr - command_ptr : 0; // parameter offset or 0 param[ind] = ptr ? ptr - command_ptr : 0; // parameter offset or 0
#if ENABLED(DEBUG_GCODE_PARSER) #if ENABLED(DEBUG_GCODE_PARSER)
if (codenum == 800) { if (codenum == 800) {
SERIAL_ECHOPAIR("Set bit ", (int)PARAM_BIT(ind)); SERIAL_ECHOPAIR("Set bit ", (int)ind);
SERIAL_ECHOPAIR(" of index ", (int)PARAM_IND(ind)); SERIAL_ECHOPAIR(" of codebits (", hex_address((void*)(codebits >> 16)));
SERIAL_ECHOLNPAIR(" | param = ", (int)param[ind]); print_hex_word((uint16_t)(codebits & 0xFFFF));
SERIAL_ECHOLNPAIR(") | param = ", (int)param[ind]);
} }
#endif #endif
} }
@ -115,16 +111,19 @@ public:
// Code seen bit was set. If not found, value_ptr is unchanged. // Code seen bit was set. If not found, value_ptr is unchanged.
// This allows "if (seen('A')||seen('B'))" to use the last-found value. // This allows "if (seen('A')||seen('B'))" to use the last-found value.
static bool seen(const char c) { static bool seen(const char c) {
const uint8_t ind = LETTER_OFF(c); const uint8_t ind = LETTER_BIT(c);
if (ind >= COUNT(param)) return false; // Only A-Z if (ind >= COUNT(param)) return false; // Only A-Z
const bool b = TEST(codebits[PARAM_IND(ind)], PARAM_BIT(ind)); const bool b = TEST(codebits, ind);
if (b) value_ptr = param[ind] ? command_ptr + param[ind] : (char*)NULL; if (b) {
char * const ptr = command_ptr + param[ind];
value_ptr = param[ind] && valid_float(ptr) ? ptr : (char*)NULL;
}
return b; return b;
} }
static bool seen_any() { return codebits[3] || codebits[2] || codebits[1] || codebits[0]; } static bool seen_any() { return !!codebits; }
#define SEEN_TEST(L) TEST(codebits[LETTER_IND(L)], LETTER_BIT(L)) #define SEEN_TEST(L) TEST(codebits, LETTER_BIT(L))
#else // !FASTER_GCODE_PARSER #else // !FASTER_GCODE_PARSER