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Diffstat (limited to 'src/parser')
-rw-r--r--src/parser/dwarf.red5
-rw-r--r--src/parser/grammar.jison87
-rw-r--r--src/parser/grammar.js129
-rw-r--r--src/parser/parser.js36
4 files changed, 156 insertions, 101 deletions
diff --git a/src/parser/dwarf.red b/src/parser/dwarf.red
new file mode 100644
index 0000000..b239246
--- /dev/null
+++ b/src/parser/dwarf.red
@@ -0,0 +1,5 @@
+bomb dat #0
+dwarf add #4, bomb
+ mov bomb, @bomb
+ jmp dwarf
+end dwarf
diff --git a/src/parser/grammar.jison b/src/parser/grammar.jison
index 80edfc5..2f5b30a 100644
--- a/src/parser/grammar.jison
+++ b/src/parser/grammar.jison
@@ -4,44 +4,43 @@
%%
-<<EOF>> { console.log("EOF"); return "EOF"; }
-<comment>"\n" { this.popState(); console.log("NEWLINE"); return "NEWLINE"; }
+<<EOF>> { return "EOF"; }
+<comment>"\n" { this.popState(); return "NEWLINE"; }
<comment>. { /* ignore anything else inside a comment */ }
";" { this.pushState('comment'); }
-[\n] { console.log("NEWLINE"); return "NEWLINE"; }
+[\n] { return "NEWLINE"; }
\s { /* ignore whitespace */ }
-"MOV" { console.log("MOV"); return "MOV"; }
-"ADD" { console.log("ADD"); return "ADD"; }
-"SUB" { console.log("SUB"); return "SUB"; }
-"CMP" { console.log("CMP"); return "CMP"; }
-"SLT" { console.log("SLT"); return "SLT"; }
-"JMP" { console.log("JMP"); return "JMP"; }
-"JMZ" { console.log("JMZ"); return "JMZ"; }
-"JMN" { console.log("JMN"); return "JMN"; }
-"DJN" { console.log("DJN"); return "DJN"; }
-"SPL" { console.log("SPL"); return "SPL"; }
-"DAT" { console.log("DAT"); return "DAT"; }
-
-"EQU" { console.log("EQU"); return "EQU"; }
-"END" { console.log("END"); return "END"; }
-":" { console.log(":"); return ":"; }
-"," { console.log(","); return ","; }
-
-"#" { console.log("#"); return "#"; }
-"@" { console.log("@"); return "@"; }
-"<" { console.log("<"); return "<"; }
-"$" { console.log("$"); return "$"; }
-
-"(" { console.log("("); return "("; }
-")" { console.log(")"); return ")"; }
-"+" { console.log("+"); return "+"; }
-"-" { console.log("-"); return "-"; }
-"*" { console.log("*"); return "*"; }
-"/" { console.log("/"); return "/"; }
-[0-9]+ { console.log("NUMBER"); return "NUMBER"; }
-[A-Z][A-Z0-9_]+ { console.log("LABEL"); return "LABEL"; }
+"MOV" { return "MOV"; }
+"ADD" { return "ADD"; }
+"SUB" { return "SUB"; }
+"CMP" { return "CMP"; }
+"SLT" { return "SLT"; }
+"JMP" { return "JMP"; }
+"JMZ" { return "JMZ"; }
+"JMN" { return "JMN"; }
+"DJN" { return "DJN"; }
+"SPL" { return "SPL"; }
+"DAT" { return "DAT"; }
+
+"EQU" { return "EQU"; }
+"END" { return "END"; }
+"," { return ","; }
+
+"#" { return "#"; }
+"@" { return "@"; }
+"<" { return "<"; }
+"$" { return "$"; }
+
+"(" { return "("; }
+")" { return ")"; }
+"+" { return "+"; }
+"-" { return "-"; }
+"*" { return "*"; }
+"/" { return "/"; }
+[0-9]+ { return "NUMBER"; }
+[A-Z][A-Z0-9_]+ { return "LABEL"; }
/lex
@@ -52,8 +51,8 @@
%%
program
- : lines END coda { yy.start = 0; console.log($lines); return $lines; }
- | lines END label coda { yy.start = yy.getLabel($label); console.log($lines); return $lines; }
+ : lines END coda { yy.start = 0; return $lines; }
+ | lines END label coda { yy.start = yy.getLabel($label); return $lines; }
;
coda
@@ -93,18 +92,18 @@ line
row
: op
{
- yy.pc += 1;
+ yy.step();
$$ = $op;
}
- | label ":" op
+ | label op
{
- yy.setLabel($label, yy.pc);
- yy.pc += 1;
+ yy.setLine($label);
+ yy.step();
$$ = $op;
}
| label EQU e
{
- yy.setLabel($label, $e);
+ yy.setEqu($label, $e);
$$ = null;
}
;
@@ -113,6 +112,14 @@ row
op
: opcode address "," address
{ $$ = { opcode: $opcode, a: $address1, b: $address2 }; }
+ | opcode address
+ {
+ $$ = {
+ opcode: $opcode,
+ a: $address,
+ b: { mode: 'direct', value: 0 },
+ };
+ }
;
diff --git a/src/parser/grammar.js b/src/parser/grammar.js
index 7dea851..21f6b89 100644
--- a/src/parser/grammar.js
+++ b/src/parser/grammar.js
@@ -72,22 +72,22 @@
}
*/
var grammar = (function(){
-var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[1,5],$V1=[1,10],$V2=[1,11],$V3=[1,12],$V4=[1,13],$V5=[1,14],$V6=[1,15],$V7=[1,16],$V8=[1,17],$V9=[1,18],$Va=[1,19],$Vb=[1,20],$Vc=[1,9],$Vd=[5,10,20,21,22,23,24,25,26,27,28,29,30,43],$Ve=[1,29],$Vf=[1,30],$Vg=[1,31],$Vh=[1,32],$Vi=[1,34],$Vj=[1,33],$Vk=[1,35],$Vl=[32,33,34,35,37,40,42,43],$Vm=[1,40],$Vn=[1,41],$Vo=[10,19],$Vp=[1,46],$Vq=[1,47],$Vr=[1,48],$Vs=[1,49],$Vt=[37,40,42,43],$Vu=[10,19,36,37,38,39,41],$Vv=[9,10],$Vw=[10,19,36,37,41];
+var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[1,5],$V1=[1,10],$V2=[1,11],$V3=[1,12],$V4=[1,13],$V5=[1,14],$V6=[1,15],$V7=[1,16],$V8=[1,17],$V9=[1,18],$Va=[1,19],$Vb=[1,20],$Vc=[1,9],$Vd=[5,10,19,20,21,22,23,24,25,26,27,28,29,42],$Ve=[1,29],$Vf=[1,30],$Vg=[1,31],$Vh=[1,32],$Vi=[1,34],$Vj=[1,33],$Vk=[1,35],$Vl=[31,32,33,34,36,39,41,42],$Vm=[1,40],$Vn=[1,41],$Vo=[10,18],$Vp=[1,45],$Vq=[1,46],$Vr=[1,47],$Vs=[1,48],$Vt=[36,39,41,42],$Vu=[10,18,35,36,37,38,40],$Vv=[9,10],$Vw=[10,18,35,36,40];
var parser = {trace: function trace () { },
yy: {},
-symbols_: {"error":2,"program":3,"lines":4,"END":5,"coda":6,"label":7,"newlines":8,"EOF":9,"NEWLINE":10,"line":11,"row":12,"op":13,":":14,"EQU":15,"e":16,"opcode":17,"address":18,",":19,"MOV":20,"ADD":21,"SUB":22,"CMP":23,"SLT":24,"JMP":25,"JMZ":26,"JMN":27,"DJN":28,"SPL":29,"DAT":30,"address_mode":31,"#":32,"@":33,"<":34,"$":35,"+":36,"-":37,"*":38,"/":39,"(":40,")":41,"NUMBER":42,"LABEL":43,"$accept":0,"$end":1},
-terminals_: {2:"error",5:"END",9:"EOF",10:"NEWLINE",14:":",15:"EQU",19:",",20:"MOV",21:"ADD",22:"SUB",23:"CMP",24:"SLT",25:"JMP",26:"JMZ",27:"JMN",28:"DJN",29:"SPL",30:"DAT",32:"#",33:"@",34:"<",35:"$",36:"+",37:"-",38:"*",39:"/",40:"(",41:")",42:"NUMBER",43:"LABEL"},
-productions_: [0,[3,3],[3,4],[6,2],[6,1],[8,2],[8,1],[4,2],[4,1],[11,2],[11,1],[12,1],[12,3],[12,3],[13,4],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[17,1],[18,2],[18,1],[31,1],[31,1],[31,1],[31,1],[16,3],[16,3],[16,3],[16,3],[16,3],[16,2],[16,1],[16,1],[7,1]],
+symbols_: {"error":2,"program":3,"lines":4,"END":5,"coda":6,"label":7,"newlines":8,"EOF":9,"NEWLINE":10,"line":11,"row":12,"op":13,"EQU":14,"e":15,"opcode":16,"address":17,",":18,"MOV":19,"ADD":20,"SUB":21,"CMP":22,"SLT":23,"JMP":24,"JMZ":25,"JMN":26,"DJN":27,"SPL":28,"DAT":29,"address_mode":30,"#":31,"@":32,"<":33,"$":34,"+":35,"-":36,"*":37,"/":38,"(":39,")":40,"NUMBER":41,"LABEL":42,"$accept":0,"$end":1},
+terminals_: {2:"error",5:"END",9:"EOF",10:"NEWLINE",14:"EQU",18:",",19:"MOV",20:"ADD",21:"SUB",22:"CMP",23:"SLT",24:"JMP",25:"JMZ",26:"JMN",27:"DJN",28:"SPL",29:"DAT",31:"#",32:"@",33:"<",34:"$",35:"+",36:"-",37:"*",38:"/",39:"(",40:")",41:"NUMBER",42:"LABEL"},
+productions_: [0,[3,3],[3,4],[6,2],[6,1],[8,2],[8,1],[4,2],[4,1],[11,2],[11,1],[12,1],[12,2],[12,3],[13,4],[13,2],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[16,1],[17,2],[17,1],[30,1],[30,1],[30,1],[30,1],[15,3],[15,3],[15,3],[15,3],[15,3],[15,2],[15,1],[15,1],[7,1]],
performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate /* action[1] */, $$ /* vstack */, _$ /* lstack */) {
/* this == yyval */
var $0 = $$.length - 1;
switch (yystate) {
case 1:
- yy.start = 0; console.log($$[$0-2]); return $$[$0-2];
+ yy.start = 0; return $$[$0-2];
break;
case 2:
- yy.start = yy.getLabel($$[$0-1]); console.log($$[$0-3]); return $$[$0-3];
+ yy.start = yy.getLabel($$[$0-1]); return $$[$0-3];
break;
case 7:
@@ -114,80 +114,89 @@ case 10:
break;
case 11:
- yy.pc += 1;
+ yy.step();
this.$ = $$[$0];
break;
case 12:
- yy.setLabel($$[$0-2], yy.pc);
- yy.pc += 1;
+ yy.setLine($$[$0-1]);
+ yy.step();
this.$ = $$[$0];
break;
case 13:
- yy.setLabel($$[$0-2], $$[$0]);
+ yy.setEqu($$[$0-2], $$[$0]);
this.$ = null;
break;
case 14:
this.$ = { opcode: $$[$0-3], a: $$[$0-2], b: $$[$0] };
break;
-case 15: case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: case 24: case 25:
+case 15:
+
+ this.$ = {
+ opcode: $$[$0-1],
+ a: $$[$0],
+ b: { mode: 'direct', value: 0 },
+ };
+
+break;
+case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: case 24: case 25: case 26:
this.$ = $$[$0];
break;
-case 26:
+case 27:
this.$ = { mode: $$[$0-1], value: $$[$0] };
break;
-case 27:
+case 28:
this.$ = { mode: 'direct', value: $$[$0] };
break;
-case 28:
+case 29:
this.$ = 'immediate';
break;
-case 29:
+case 30:
this.$ = 'indirect';
break;
-case 30:
+case 31:
this.$ = 'predecrement';
break;
-case 31:
+case 32:
this.$ = 'direct';
break;
-case 32:
+case 33:
this.$ = Math.floor($$[$0-2] + $$[$0]);
break;
-case 33:
+case 34:
this.$ = Math.floor($$[$0-2] - $$[$0]);
break;
-case 34:
+case 35:
this.$ = Math.floor($$[$0-2] * $$[$0]);
break;
-case 35:
+case 36:
this.$ = Math.floor($$[$0-2] / $$[$0]);
break;
-case 36:
+case 37:
this.$ = Math.floor($$[$0-1]);
break;
-case 37:
+case 38:
this.$ = - $$[$0];
break;
-case 38:
+case 39:
this.$ = Math.floor(Number(yytext));
break;
-case 39:
+case 40:
this.$ = yy.getLabel($$[$0]);
break;
-case 40:
+case 41:
this.$ = yytext;
break;
}
},
-table: [{3:1,4:2,7:7,10:$V0,11:3,12:4,13:6,17:8,20:$V1,21:$V2,22:$V3,23:$V4,24:$V5,25:$V6,26:$V7,27:$V8,28:$V9,29:$Va,30:$Vb,43:$Vc},{1:[3]},{5:[1,21],7:7,10:$V0,11:22,12:4,13:6,17:8,20:$V1,21:$V2,22:$V3,23:$V4,24:$V5,25:$V6,26:$V7,27:$V8,28:$V9,29:$Va,30:$Vb,43:$Vc},o($Vd,[2,8]),{10:[1,23]},o($Vd,[2,10]),{10:[2,11]},{14:[1,24],15:[1,25]},{7:36,16:28,18:26,31:27,32:$Ve,33:$Vf,34:$Vg,35:$Vh,37:$Vi,40:$Vj,42:$Vk,43:$Vc},o([9,10,14,15,19,36,37,38,39,41],[2,40]),o($Vl,[2,15]),o($Vl,[2,16]),o($Vl,[2,17]),o($Vl,[2,18]),o($Vl,[2,19]),o($Vl,[2,20]),o($Vl,[2,21]),o($Vl,[2,22]),o($Vl,[2,23]),o($Vl,[2,24]),o($Vl,[2,25]),{6:37,7:38,8:39,9:$Vm,10:$Vn,43:$Vc},o($Vd,[2,7]),o($Vd,[2,9]),{13:42,17:8,20:$V1,21:$V2,22:$V3,23:$V4,24:$V5,25:$V6,26:$V7,27:$V8,28:$V9,29:$Va,30:$Vb},{7:36,16:43,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{19:[1,44]},{7:36,16:45,37:$Vi,40:$Vj,42:$Vk,43:$Vc},o($Vo,[2,27],{36:$Vp,37:$Vq,38:$Vr,39:$Vs}),o($Vt,[2,28]),o($Vt,[2,29]),o($Vt,[2,30]),o($Vt,[2,31]),{7:36,16:50,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{7:36,16:51,37:$Vi,40:$Vj,42:$Vk,43:$Vc},o($Vu,[2,38]),o($Vu,[2,39]),{1:[2,1]},{6:52,8:39,9:$Vm,10:$Vn},{9:[1,53],10:[1,54]},{1:[2,4]},o($Vv,[2,6]),{10:[2,12]},{10:[2,13],36:$Vp,37:$Vq,38:$Vr,39:$Vs},{7:36,16:28,18:55,31:27,32:$Ve,33:$Vf,34:$Vg,35:$Vh,37:$Vi,40:$Vj,42:$Vk,43:$Vc},o($Vo,[2,26],{36:$Vp,37:$Vq,38:$Vr,39:$Vs}),{7:36,16:56,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{7:36,16:57,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{7:36,16:58,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{7:36,16:59,37:$Vi,40:$Vj,42:$Vk,43:$Vc},{36:$Vp,37:$Vq,38:$Vr,39:$Vs,41:[1,60]},o($Vu,[2,37]),{1:[2,2]},{1:[2,3]},o($Vv,[2,5]),{10:[2,14]},o($Vw,[2,32],{38:$Vr,39:$Vs}),o($Vw,[2,33],{38:$Vr,39:$Vs}),o($Vu,[2,34]),o($Vu,[2,35]),o($Vu,[2,36])],
-defaultActions: {6:[2,11],37:[2,1],40:[2,4],42:[2,12],52:[2,2],53:[2,3],55:[2,14]},
+table: [{3:1,4:2,7:7,10:$V0,11:3,12:4,13:6,16:8,19:$V1,20:$V2,21:$V3,22:$V4,23:$V5,24:$V6,25:$V7,26:$V8,27:$V9,28:$Va,29:$Vb,42:$Vc},{1:[3]},{5:[1,21],7:7,10:$V0,11:22,12:4,13:6,16:8,19:$V1,20:$V2,21:$V3,22:$V4,23:$V5,24:$V6,25:$V7,26:$V8,27:$V9,28:$Va,29:$Vb,42:$Vc},o($Vd,[2,8]),{10:[1,23]},o($Vd,[2,10]),{10:[2,11]},{13:24,14:[1,25],16:8,19:$V1,20:$V2,21:$V3,22:$V4,23:$V5,24:$V6,25:$V7,26:$V8,27:$V9,28:$Va,29:$Vb},{7:36,15:28,17:26,30:27,31:$Ve,32:$Vf,33:$Vg,34:$Vh,36:$Vi,39:$Vj,41:$Vk,42:$Vc},o([9,10,14,18,19,20,21,22,23,24,25,26,27,28,29,35,36,37,38,40],[2,41]),o($Vl,[2,16]),o($Vl,[2,17]),o($Vl,[2,18]),o($Vl,[2,19]),o($Vl,[2,20]),o($Vl,[2,21]),o($Vl,[2,22]),o($Vl,[2,23]),o($Vl,[2,24]),o($Vl,[2,25]),o($Vl,[2,26]),{6:37,7:38,8:39,9:$Vm,10:$Vn,42:$Vc},o($Vd,[2,7]),o($Vd,[2,9]),{10:[2,12]},{7:36,15:42,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{10:[2,15],18:[1,43]},{7:36,15:44,36:$Vi,39:$Vj,41:$Vk,42:$Vc},o($Vo,[2,28],{35:$Vp,36:$Vq,37:$Vr,38:$Vs}),o($Vt,[2,29]),o($Vt,[2,30]),o($Vt,[2,31]),o($Vt,[2,32]),{7:36,15:49,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{7:36,15:50,36:$Vi,39:$Vj,41:$Vk,42:$Vc},o($Vu,[2,39]),o($Vu,[2,40]),{1:[2,1]},{6:51,8:39,9:$Vm,10:$Vn},{9:[1,52],10:[1,53]},{1:[2,4]},o($Vv,[2,6]),{10:[2,13],35:$Vp,36:$Vq,37:$Vr,38:$Vs},{7:36,15:28,17:54,30:27,31:$Ve,32:$Vf,33:$Vg,34:$Vh,36:$Vi,39:$Vj,41:$Vk,42:$Vc},o($Vo,[2,27],{35:$Vp,36:$Vq,37:$Vr,38:$Vs}),{7:36,15:55,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{7:36,15:56,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{7:36,15:57,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{7:36,15:58,36:$Vi,39:$Vj,41:$Vk,42:$Vc},{35:$Vp,36:$Vq,37:$Vr,38:$Vs,40:[1,59]},o($Vu,[2,38]),{1:[2,2]},{1:[2,3]},o($Vv,[2,5]),{10:[2,14]},o($Vw,[2,33],{37:$Vr,38:$Vs}),o($Vw,[2,34],{37:$Vr,38:$Vs}),o($Vu,[2,35]),o($Vu,[2,36]),o($Vu,[2,37])],
+defaultActions: {6:[2,11],24:[2,12],37:[2,1],40:[2,4],51:[2,2],52:[2,3],54:[2,14]},
parseError: function parseError (str, hash) {
if (hash.recoverable) {
this.trace(str);
@@ -662,76 +671,74 @@ options: {},
performAction: function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
var YYSTATE=YY_START;
switch($avoiding_name_collisions) {
-case 0: console.log("EOF"); return "EOF";
+case 0: return "EOF";
break;
-case 1: this.popState(); console.log("NEWLINE"); return "NEWLINE";
+case 1: this.popState(); return "NEWLINE";
break;
case 2: /* ignore anything else inside a comment */
break;
case 3: this.pushState('comment');
break;
-case 4: console.log("NEWLINE"); return "NEWLINE";
+case 4: return "NEWLINE";
break;
case 5: /* ignore whitespace */
break;
-case 6: console.log("MOV"); return "MOV";
-break;
-case 7: console.log("ADD"); return "ADD";
+case 6: return "MOV";
break;
-case 8: console.log("SUB"); return "SUB";
+case 7: return "ADD";
break;
-case 9: console.log("CMP"); return "CMP";
+case 8: return "SUB";
break;
-case 10: console.log("SLT"); return "SLT";
+case 9: return "CMP";
break;
-case 11: console.log("JMP"); return "JMP";
+case 10: return "SLT";
break;
-case 12: console.log("JMZ"); return "JMZ";
+case 11: return "JMP";
break;
-case 13: console.log("JMN"); return "JMN";
+case 12: return "JMZ";
break;
-case 14: console.log("DJN"); return "DJN";
+case 13: return "JMN";
break;
-case 15: console.log("SPL"); return "SPL";
+case 14: return "DJN";
break;
-case 16: console.log("DAT"); return "DAT";
+case 15: return "SPL";
break;
-case 17: console.log("EQU"); return "EQU";
+case 16: return "DAT";
break;
-case 18: console.log("END"); return "END";
+case 17: return "EQU";
break;
-case 19: console.log(":"); return ":";
+case 18: return "END";
break;
-case 20: console.log(","); return ",";
+case 19: return ",";
break;
-case 21: console.log("#"); return "#";
+case 20: return "#";
break;
-case 22: console.log("@"); return "@";
+case 21: return "@";
break;
-case 23: console.log("<"); return "<";
+case 22: return "<";
break;
-case 24: console.log("$"); return "$";
+case 23: return "$";
break;
-case 25: console.log("("); return "(";
+case 24: return "(";
break;
-case 26: console.log(")"); return ")";
+case 25: return ")";
break;
-case 27: console.log("+"); return "+";
+case 26: return "+";
break;
-case 28: console.log("-"); return "-";
+case 27: return "-";
break;
-case 29: console.log("*"); return "*";
+case 28: return "*";
break;
-case 30: console.log("/"); return "/";
+case 29: return "/";
break;
-case 31: console.log("NUMBER"); return "NUMBER";
+case 30: return "NUMBER";
break;
-case 32: console.log("LABEL"); return "LABEL";
+case 31: return "LABEL";
break;
}
},
-rules: [/^(?:$)/,/^(?:\\n)/,/^(?:.)/,/^(?:;)/,/^(?:[\n])/,/^(?:\s)/,/^(?:MOV\b)/,/^(?:ADD\b)/,/^(?:SUB\b)/,/^(?:CMP\b)/,/^(?:SLT\b)/,/^(?:JMP\b)/,/^(?:JMZ\b)/,/^(?:JMN\b)/,/^(?:DJN\b)/,/^(?:SPL\b)/,/^(?:DAT\b)/,/^(?:EQU\b)/,/^(?:END\b)/,/^(?::)/,/^(?:,)/,/^(?:#)/,/^(?:@)/,/^(?:<)/,/^(?:\$)/,/^(?:\()/,/^(?:\))/,/^(?:\+)/,/^(?:-)/,/^(?:\*)/,/^(?:\/)/,/^(?:[0-9]+)/,/^(?:[A-Z][A-Z0-9_]+)/],
-conditions: {"comment":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32],"inclusive":true},"INITIAL":{"rules":[0,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32],"inclusive":true}}
+rules: [/^(?:$)/,/^(?:\\n)/,/^(?:.)/,/^(?:;)/,/^(?:[\n])/,/^(?:\s)/,/^(?:MOV\b)/,/^(?:ADD\b)/,/^(?:SUB\b)/,/^(?:CMP\b)/,/^(?:SLT\b)/,/^(?:JMP\b)/,/^(?:JMZ\b)/,/^(?:JMN\b)/,/^(?:DJN\b)/,/^(?:SPL\b)/,/^(?:DAT\b)/,/^(?:EQU\b)/,/^(?:END\b)/,/^(?:,)/,/^(?:#)/,/^(?:@)/,/^(?:<)/,/^(?:\$)/,/^(?:\()/,/^(?:\))/,/^(?:\+)/,/^(?:-)/,/^(?:\*)/,/^(?:\/)/,/^(?:[0-9]+)/,/^(?:[A-Z][A-Z0-9_]+)/],
+conditions: {"comment":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"inclusive":true},"INITIAL":{"rules":[0,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"inclusive":true}}
});
return lexer;
})();
diff --git a/src/parser/parser.js b/src/parser/parser.js
new file mode 100644
index 0000000..ef84be3
--- /dev/null
+++ b/src/parser/parser.js
@@ -0,0 +1,36 @@
+const process = require('node:process');
+const fs = require('node:fs');
+const parser = require('./grammar.js').parser;
+
+parser.yy = {
+ pc: 0,
+
+ step: function() { this.pc += 1; },
+
+ equ: {},
+ line: {},
+
+ setEqu: function(l, v) {
+ this.equ[l] = v;
+ },
+ setLine: function(l) {
+ this.line[l] = this.pc;
+ },
+
+ getLabel: function(l) {
+ if (this.equ[l] !== undefined) {
+ return this.equ[l];
+ }
+
+ return this.line[l] - this.pc;
+ },
+};
+
+//if (process.argv[1] === 'parser.js' && process.argv.length >= 3) {
+ fs.readFile(process.argv[2], 'utf8', (err, data) => {
+ if (err) throw err;
+ let result = parser.parse(data.toUpperCase());
+ console.log(result);
+ console.log(parser.yy);
+ });
+//}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-22 20:54:44 +0000