2013-07-03 21:05:00 +00:00
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2013-07-06 20:38:11 +00:00
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%extra_argument { Debug::Command *command }
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2013-07-03 21:05:00 +00:00
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%token_prefix tk
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2013-08-18 23:03:52 +00:00
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%token_type { Token }
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2013-07-03 22:03:46 +00:00
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%include {
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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2013-08-16 03:52:03 +00:00
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#include <cassert>
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2015-02-17 00:23:12 +00:00
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#include <cstddef>
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2013-07-06 20:38:11 +00:00
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#include "debugger.h"
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2013-07-03 22:03:46 +00:00
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2018-01-01 19:15:17 +00:00
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#include <toolbox/mm.h>
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2013-08-18 23:03:52 +00:00
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using Debug::Token;
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2013-07-03 23:55:09 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2013-07-03 22:03:46 +00:00
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uint32_t cpuGetSR();
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uint32_t cpuGetPC();
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uint32_t cpuGetAReg(unsigned);
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uint32_t cpuGetDReg(unsigned);
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2013-07-03 23:55:09 +00:00
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#ifdef __cplusplus
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}
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#endif
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#undef NDEBUG
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 21:05:00 +00:00
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%parse_failure {
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2013-07-04 04:29:09 +00:00
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//fprintf(stderr,"I don't understand.\n");
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2013-07-03 21:05:00 +00:00
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command->valid = false;
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}
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%parse_accept {
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command->valid = true;
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}
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2013-07-03 22:03:46 +00:00
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2013-07-03 21:05:00 +00:00
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%left PIPEPIPE.
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%left AMPAMP.
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%left PIPE.
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%left CARET.
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%left AMP.
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%left EQEQ BANGEQ.
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%left LT LTEQ GT GTEQ.
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%left LTLT GTGT.
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%left PLUS MINUS.
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%left STAR SLASH PERCENT.
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%right BANG TILDE.
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2013-07-03 23:55:09 +00:00
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stmt ::= expr(a) EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Print(a.intValue);
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2013-07-03 23:55:09 +00:00
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}
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2013-07-03 21:05:00 +00:00
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2013-07-04 04:29:09 +00:00
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stmt ::= STAR EOL.
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{
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2013-07-06 20:38:11 +00:00
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Debug::PrintRegisters();
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2013-07-04 04:29:09 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= PRINT expr(a) EOL.
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{
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2013-08-18 23:03:52 +00:00
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Debug::Print(a.intValue);
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 21:05:00 +00:00
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2013-07-08 03:39:53 +00:00
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stmt ::= BREAK EOL.
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{
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Debug::Break();
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= BREAK expr(a) EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Break(a.intValue);
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2013-07-03 21:05:00 +00:00
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}
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2014-12-24 22:44:48 +00:00
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stmt ::= BACKTRACE EOL.
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{
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Debug::PrintBackTrace();
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= CONTINUE EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-07-06 20:38:11 +00:00
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command->action = Debug::cmdContinue;
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2013-07-03 22:03:46 +00:00
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command->argc = 0;
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2013-07-03 21:05:00 +00:00
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}
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2013-07-08 03:39:53 +00:00
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stmt ::= TBREAK EOL.
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{
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Debug::ToolBreak();
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= TBREAK expr(a) EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::ToolBreak(a.intValue);
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2013-07-03 21:05:00 +00:00
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}
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2013-07-13 17:42:19 +00:00
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stmt ::= RBREAK EOL .
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{
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Debug::ReadBreak();
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}
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stmt ::= RBREAK expr(a) EOL.
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{
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2013-08-18 23:03:52 +00:00
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Debug::ReadBreak(a.intValue);
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2013-07-13 17:42:19 +00:00
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}
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stmt ::= WBREAK EOL.
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{
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Debug::WriteBreak();
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}
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stmt ::= WBREAK expr(a) EOL.
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{
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2013-08-18 23:03:52 +00:00
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Debug::WriteBreak(a.intValue);
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2013-07-13 17:42:19 +00:00
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}
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stmt ::= RWBREAK expr(a) EOL .
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{
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2013-08-18 23:03:52 +00:00
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Debug::ReadWriteBreak(a.intValue);
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2013-07-13 17:42:19 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= NEXT EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-07-06 20:38:11 +00:00
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command->action = Debug::cmdStep;
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2013-07-03 22:03:46 +00:00
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command->argc = 0;
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2013-07-03 21:05:00 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= NEXT expr(a) EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-07-06 20:38:11 +00:00
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command->action = Debug::cmdStep;
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2013-07-03 22:03:46 +00:00
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command->argc = 1;
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2013-08-18 23:03:52 +00:00
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command->argv[0] = a.intValue;
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2013-07-03 21:05:00 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= DUMP expr(a) EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue);
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2013-07-03 21:05:00 +00:00
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}
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2013-07-05 17:56:24 +00:00
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stmt ::= DUMP expr(a) COLON expr(b) EOL.
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue, b.intValue - a.intValue);
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2013-07-05 17:56:24 +00:00
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}
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stmt ::= DUMP expr(a) AT expr(b) EOL.
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue, b.intValue);
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2013-07-05 17:56:24 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= LIST expr(a) EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::List(a.intValue);
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2013-07-03 21:05:00 +00:00
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}
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2015-01-06 01:28:56 +00:00
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stmt ::= STACKCRAWL EOL.
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{
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Debug::StackCrawl();
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}
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2013-07-05 17:56:24 +00:00
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) SEMI SEMIH EOL.
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2013-07-03 21:05:00 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue);
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2013-07-03 21:05:00 +00:00
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}
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) COLON expr(b) SEMI SEMIH EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue, b.intValue - a.intValue);
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2013-07-06 20:38:11 +00:00
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}
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) AT expr(b) SEMI SEMIH EOL.
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2013-07-06 20:38:11 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::Dump(a.intValue, b.intValue);
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2013-07-06 20:38:11 +00:00
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}
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2013-07-05 17:56:24 +00:00
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2013-07-06 20:38:11 +00:00
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) SEMI SEMII EOL.
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2013-07-06 20:38:11 +00:00
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{
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2013-08-22 02:40:53 +00:00
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Debug::Info(a.intValue);
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2013-07-05 17:56:24 +00:00
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}
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) SEMI SEMIL EOL.
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2013-07-05 17:56:24 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::List(a.intValue);
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 21:05:00 +00:00
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) AT expr(b) SEMI SEMIL EOL.
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2013-07-13 17:46:41 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::List(a.intValue, (int)b.intValue);
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2013-07-13 17:46:41 +00:00
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}
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2013-08-19 01:09:17 +00:00
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stmt ::= expr(a) COLON expr(b) SEMI SEMIL EOL.
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2013-07-13 17:46:41 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::List(a.intValue, b.intValue);
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2013-07-13 17:46:41 +00:00
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}
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2014-12-30 19:09:07 +00:00
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stmt ::= expr(a) SEMI SEMIDATE EOL.
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{
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Debug::PrintDate(a.intValue);
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}
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stmt ::= expr(a) SEMI SEMIERROR EOL.
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{
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Debug::PrintError(a.intValue);
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}
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2015-01-06 01:28:56 +00:00
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stmt ::= expr(a) SEMI SEMIT IDENTIFIER(b) EOL.
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{
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Debug::ApplyTemplate(a.intValue, *b.stringValue);
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}
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stmt ::= expr SEMI SEMIT error EOL.
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{
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fprintf(stderr, "usage: expression ; t TemplateName\n");
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= DREGISTER(a) EQ expr(b) EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::SetDRegister(a.intValue, b.intValue);
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= AREGISTER(a) EQ expr(b) EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::SetARegister(a.intValue, b.intValue);
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= XREGISTER(a) EQ expr(b) EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-08-18 23:03:52 +00:00
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Debug::SetXRegister(a.intValue, b.intValue);
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2013-07-03 22:03:46 +00:00
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}
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2013-07-03 23:55:09 +00:00
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stmt ::= HELP EOL.
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2013-07-03 22:03:46 +00:00
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{
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2013-07-06 20:38:11 +00:00
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Debug::Help();
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2013-07-03 21:05:00 +00:00
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}
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2013-08-18 23:03:52 +00:00
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stmt ::= IDENTIFIER(a) EQ expr(b) EOL.
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{
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Debug::VariableSet(*a.stringValue, b.intValue);
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}
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2013-07-03 21:05:00 +00:00
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expr(rhs) ::= unary(a). { rhs = a; }
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2013-08-18 23:03:52 +00:00
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expr(rhs) ::= expr(a) PLUS expr(b). { rhs = Token::Make(a.intValue + b.intValue); }
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expr(rhs) ::= expr(a) MINUS expr(b). { rhs = Token::Make(a.intValue - b.intValue); }
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expr(rhs) ::= expr(a) STAR expr(b). { rhs = Token::Make(a.intValue * b.intValue); }
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expr(rhs) ::= expr(a) SLASH expr(b). { rhs = Token::Make(a.intValue / b.intValue); }
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expr(rhs) ::= expr(a) PERCENT expr(b). { rhs = Token::Make(a.intValue % b.intValue); }
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expr(rhs) ::= expr(a) LTLT expr(b). { rhs = Token::Make(a.intValue << b.intValue); }
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expr(rhs) ::= expr(a) GTGT expr(b). { rhs = Token::Make(a.intValue >> b.intValue); }
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expr(rhs) ::= expr(a) LT expr(b). { rhs = Token::Make(a.intValue < b.intValue); }
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expr(rhs) ::= expr(a) LTEQ expr(b). { rhs = Token::Make(a.intValue <= b.intValue); }
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expr(rhs) ::= expr(a) GT expr(b). { rhs = Token::Make(a.intValue > b.intValue); }
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expr(rhs) ::= expr(a) GTEQ expr(b). { rhs = Token::Make(a.intValue >= b.intValue); }
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expr(rhs) ::= expr(a) EQEQ expr(b). { rhs = Token::Make(a.intValue == b.intValue); }
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expr(rhs) ::= expr(a) BANGEQ expr(b). { rhs = Token::Make(a.intValue != b.intValue); }
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expr(rhs) ::= expr(a) AMP expr(b). { rhs = Token::Make(a.intValue & b.intValue); }
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expr(rhs) ::= expr(a) CARET expr(b). { rhs = Token::Make(a.intValue ^ b.intValue); }
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expr(rhs) ::= expr(a) PIPE expr(b). { rhs = Token::Make(a.intValue | b.intValue); }
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expr(rhs) ::= expr(a) AMPAMP expr(b). { rhs = Token::Make(a.intValue && b.intValue); }
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expr(rhs) ::= expr(a) PIPEPIPE expr(b). { rhs = Token::Make(a.intValue || b.intValue); }
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2013-07-03 21:05:00 +00:00
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2014-12-28 17:30:18 +00:00
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// 68k assembly - offset(register)
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// offset is a 16-bit quantity... this will
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// handle 32-bit values or 16-bit.
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expr(rhs) ::= unary(a) LPAREN register(b) RPAREN.
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{
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uint32_t offset = a.intValue;
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uint32_t value = b.intValue;
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// offset is 16-bits.
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if (offset <= 0xffff)
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{
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if (offset & 0x8000)
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offset |= 0xffff0000;
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}
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rhs = Token::Make(value + offset);
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}
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2013-07-03 21:05:00 +00:00
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|
|
|
|
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unary(rhs) ::= term(a). { rhs = a; }
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|
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unary(rhs) ::= PLUS unary(a). [BANG] { rhs = a; }
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2013-08-18 23:03:52 +00:00
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unary(rhs) ::= MINUS unary(a). [BANG] { rhs = Token::Make(-a.intValue); }
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unary(rhs) ::= TILDE unary(a). { rhs = Token::Make(~a.intValue); }
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unary(rhs) ::= BANG unary(a). { rhs = Token::Make(!a.intValue); }
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unary(rhs) ::= STAR unary(a). [BANG] { rhs = Token::Make(Debug::ReadLong(a)); }
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2013-07-03 21:05:00 +00:00
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|
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term(rhs) ::= LPAREN expr(a) RPAREN. { rhs = a; }
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term(rhs) ::= INTEGER(a). { rhs = a; }
|
2014-12-28 17:30:18 +00:00
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term(rhs) ::= register(a). { rhs = a; }
|
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term(rhs) ::= IDENTIFIER(a).
|
|
|
|
{
|
|
|
|
// should throw/barf if undefined?
|
|
|
|
rhs = Token::Make(Debug::VariableGet(*a.stringValue));
|
|
|
|
}
|
|
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|
|
|
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|
|
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register(rhs) ::= DREGISTER(a). { rhs = Token::Make(cpuGetDReg(a)); }
|
|
|
|
register(rhs) ::= AREGISTER(a). { rhs = Token::Make(cpuGetAReg(a)); }
|
|
|
|
register(rhs) ::= XREGISTER(a).
|
2013-07-03 21:05:00 +00:00
|
|
|
{
|
|
|
|
switch(a)
|
|
|
|
{
|
|
|
|
case 0:
|
2013-08-18 23:03:52 +00:00
|
|
|
rhs = Token::Make(cpuGetPC());
|
2013-07-03 21:05:00 +00:00
|
|
|
break;
|
|
|
|
case 1:
|
2013-08-18 23:03:52 +00:00
|
|
|
rhs = Token::Make(cpuGetSR());
|
2013-07-03 21:05:00 +00:00
|
|
|
break;
|
|
|
|
default:
|
2013-08-18 23:03:52 +00:00
|
|
|
rhs = Token::Make(0);
|
2013-07-03 21:05:00 +00:00
|
|
|
}
|
|
|
|
}
|