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157 lines
3.4 KiB
157 lines
3.4 KiB
/* Generated by re2c 2.2 */
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#line 1 "espurna\\led_pattern.re"
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/*
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LED MODULE
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Copyright (C) 2020-2021 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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*/
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#pragma once
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// Scans input string with format
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// '<on1>,<off1>,<repeats1> <on2>,<off2>,<repeats2> ...'
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// And returns a list of Delay objects for the pattern
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Pattern::Pattern(const char* begin, const char* end) {
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char buffer[16];
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const char* on1;
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const char* on2;
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const char* off1;
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const char* off2;
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const char* repeat1;
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const char* repeat2;
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const char* YYCURSOR { begin };
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const char* YYLIMIT { end };
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const char* YYMARKER;
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loop:
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#line 35 "espurna\\led_pattern.re.ipp"
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const char *yyt1;const char *yyt2;const char *yyt3;
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#line 32 "espurna\\led_pattern.re"
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#line 40 "espurna\\led_pattern.re.ipp"
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{
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char yych;
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yych = (char)*YYCURSOR;
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switch (yych) {
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case '\t':
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case ' ': goto yy4;
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case '0' ... '9':
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yyt1 = YYCURSOR;
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goto yy7;
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default:
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if (YYLIMIT <= YYCURSOR) goto yy18;
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goto yy2;
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}
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yy2:
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++YYCURSOR;
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yy3:
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#line 46 "espurna\\led_pattern.re"
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{ return; }
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#line 59 "espurna\\led_pattern.re.ipp"
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yy4:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '\t':
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case ' ': goto yy4;
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default: goto yy6;
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}
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yy6:
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#line 48 "espurna\\led_pattern.re"
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{ goto loop; }
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#line 70 "espurna\\led_pattern.re.ipp"
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yy7:
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yych = (char)*(YYMARKER = ++YYCURSOR);
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switch (yych) {
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case ',': goto yy8;
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case '0' ... '9': goto yy10;
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default: goto yy3;
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}
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yy8:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9':
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yyt2 = YYCURSOR;
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goto yy12;
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default: goto yy9;
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}
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yy9:
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YYCURSOR = YYMARKER;
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goto yy3;
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yy10:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case ',': goto yy8;
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case '0' ... '9': goto yy10;
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default: goto yy9;
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}
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yy12:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case ',': goto yy14;
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case '0' ... '9': goto yy12;
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default: goto yy9;
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}
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yy14:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9':
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yyt3 = YYCURSOR;
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goto yy15;
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default: goto yy9;
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}
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yy15:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9': goto yy15;
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default: goto yy17;
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}
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yy17:
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on1 = yyt1;
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off1 = yyt2;
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repeat1 = yyt3;
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on2 = yyt2 - 1;
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off2 = yyt3 - 1;
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repeat2 = YYCURSOR;
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#line 50 "espurna\\led_pattern.re"
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{
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memcpy(buffer, on1, on2 - on1);
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buffer[on2 - on1] = '\0';
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espurna::duration::Milliseconds::rep on { strtoul(buffer, nullptr, 10) };
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memcpy(buffer, off1, off2 - off1);
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buffer[off2 - off1] = '\0';
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espurna::duration::Milliseconds::rep off { strtoul(buffer, nullptr, 10) };
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memcpy(buffer, repeat1, repeat2 - repeat1);
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buffer[repeat2 - repeat1] = '\0';
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using Repeats = unsigned long;
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Repeats repeats { strtoul(buffer, nullptr, 10) };
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constexpr Repeats RepeatsMax { Delay::RepeatsMax };
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_delays.emplace_back(
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std::min(espurna::duration::Milliseconds(on), Delay::MillisecondsMax),
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std::min(espurna::duration::Milliseconds(off), Delay::MillisecondsMax),
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std::min(repeats, RepeatsMax));
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if (repeats) {
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goto loop;
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}
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}
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#line 150 "espurna\\led_pattern.re.ipp"
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yy18:
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#line 45 "espurna\\led_pattern.re"
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{ return; }
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#line 154 "espurna\\led_pattern.re.ipp"
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}
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#line 75 "espurna\\led_pattern.re"
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}
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