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yet another state machine fix

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minjaesong
2020-06-10 01:29:29 +09:00
parent 851ff9c277
commit 1f88a878be
1 changed files with 10 additions and 7 deletions
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17
assets/tbas/basic.js
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@@ -357,15 +357,14 @@ basicFunctions._interpretLine = function(lnum, cmd) {
/* do nothing */ /* do nothing */
} }
else if (0x22 == charCode) { else if (0x22 == charCode) {
sb = "";
mode = "quote" mode = "quote"
} }
else if (basicFunctions._isParen(charCode)) { else if (basicFunctions._isParen(charCode)) {
sb = ""; sb = "" + char;
mode = "paren"; mode = "paren";
} }
else if (basicFunctions._isSeparator(charCode)) { else if (basicFunctions._isSeparator(charCode)) {
sb = ""; sb = "" + char;
mode = "sep"; mode = "sep";
} }
else { else {
@@ -430,6 +429,9 @@ basicFunctions._interpretLine = function(lnum, cmd) {
if (tokens.length != states.length) throw "InternalError: size of tokens and states does not match (line: "+lnum+")"; if (tokens.length != states.length) throw "InternalError: size of tokens and states does not match (line: "+lnum+")";
// END TOKENISE // END TOKENISE
println(tokens.join("~"));
println(states.join(" "));
// ELABORATION : distinguish numbers and operators from literals // ELABORATION : distinguish numbers and operators from literals
k = 0; k = 0;
while (k < states.length) { // using while loop because array size will change during the execution while (k < states.length) { // using while loop because array size will change during the execution
@@ -517,6 +519,11 @@ basicFunctions._interpretLine = function(lnum, cmd) {
} }
// END ELABORATION // END ELABORATION
println(tokens.join("~"));
println(states.join(" "));
// PARSING (SYNTAX ANALYSIS) // PARSING (SYNTAX ANALYSIS)
var syntaxTree = basicFunctions._parseTokens(lnum, tokens, states, 0); var syntaxTree = basicFunctions._parseTokens(lnum, tokens, states, 0);
println("k bye"); println("k bye");
@@ -524,10 +531,6 @@ basicFunctions._interpretLine = function(lnum, cmd) {
// END PARSING // END PARSING
println(tokens.join("~"));
println(states.join(" "));
return lnum + 1; return lnum + 1;
}; // end INTERPRETLINE }; // end INTERPRETLINE