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Added new special operators like &= and <<=.

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Also made a litle change to scanner function moveOn(): now it moves on
the last char passed and only if there are more than one chars.
This commit is contained in:
Celestino Amoroso
2024-12-29 19:26:02 +01:00
parent e43823740f
commit eccb0c4dc9
11 changed files with 346 additions and 278 deletions
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symbol-map.go
+70 -66
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@@ -31,72 +31,76 @@ type symbolSpec struct {
func init() {
symbolMap = map[Symbol]symbolSpec{
SymUnknown: {"<unknown>", symClassOther}, // -1: Unknown symbol
SymNone: {"<null>", symClassOther}, // 0: Null value for variable of type symbol
SymError: {"<error>", symClassOther}, // 1: Error reading from stream
SymEos: {"<eos>", symClassOther}, // 2: End of stream
SymMinus: {"-", symClassOperator}, // 3: '-'
SymMinusEqual: {"-=", symClassOperator}, // 4: '-='
SymDoubleMinus: {"--", symClassOperator}, // 5: '--'
SymPlus: {"+", symClassOperator}, // 6: '+'
SymPlusEqual: {"+=", symClassOperator}, // 7: '+='
SymDoublePlus: {"++", symClassOperator}, // 8: '++'
SymStar: {"*", symClassOperator}, // 9: '*'
SymDoubleStar: {"**", symClassOperator}, // 10: '**'
SymSlash: {"/", symClassOperator}, // 11: '/'
SymBackSlash: {"\\", symClassOperator}, // 12: '\'
SymVertBar: {"|", symClassOperator}, // 13: '|'
SymDoubleVertBar: {"||", symClassOperator}, // 14: '||'
SymComma: {",", symClassOperator}, // 15: ','
SymColon: {":", symClassOperator}, // 16: ':'
SymSemiColon: {";", symClassOperator}, // 17: ';'
SymDot: {".", symClassOperator}, // 18: '.'
SymDotSlash: {"./", symClassOperator}, // 19: './'
SymQuote: {"'", symClassDelimiter}, // 20: '\''
SymDoubleQuote: {"\"", symClassDelimiter}, // 21: '"'
SymBackTick: {"`", symClassOperator}, // 22: '`'
SymExclamation: {"!", symClassPostOp}, // 23: '!'
SymQuestion: {"?", symClassOperator}, // 24: '?'
SymAmpersand: {"&", symClassOperator}, // 25: '&'
SymDoubleAmpersand: {"&&", symClassOperator}, // 26: '&&'
SymPercent: {"%", symClassOperator}, // 27: '%'
SymAt: {"@", symClassOperator}, // 28: '@'
SymUndescore: {"_", symClassOperator}, // 29: '_'
SymEqual: {"=", symClassOperator}, // 30: '='
SymDoubleEqual: {"==", symClassOperator}, // 31: '=='
SymLess: {"<", symClassOperator}, // 32: '<'
SymLessOrEqual: {"<=", symClassOperator}, // 33: '<='
SymGreater: {">", symClassOperator}, // 34: '>'
SymGreaterOrEqual: {">=", symClassOperator}, // 35: '>='
SymLessGreater: {"<>", symClassOperator}, // 36: '<>'
SymNotEqual: {"!=", symClassOperator}, // 37: '!='
SymDollar: {"$", symClassOperator}, // 38: '$'
SymHash: {"#", symClassOperator}, // 39: '#'
SymOpenRound: {"(", symClassParenthesis}, // 40: '('
SymClosedRound: {")", symClassParenthesis}, // 41: ')'
SymOpenSquare: {"[", symClassParenthesis}, // 42: '['
SymClosedSquare: {"]", symClassParenthesis}, // 43: ']'
SymOpenBrace: {"{", symClassParenthesis}, // 44: '{'
SymClosedBrace: {"}", symClassParenthesis}, // 45: '}'
SymTilde: {"~", symClassOperator}, // 46: '~'
SymDoubleQuestion: {"??", symClassOperator}, // 47: '??'
SymQuestionEqual: {"?=", symClassOperator}, // 48: '?='
SymQuestionExclam: {"?!", symClassOperator}, // 49: '?!'
SymDoubleAt: {"@@", symClassOperator}, // 50: '@@'
SymDoubleColon: {"::", symClassOperator}, // 51: '::'
SymDoubleGreater: {">>", symClassOperator}, // 52: '>>'
SymDoubleLess: {"<<", symClassOperator}, // 53: '<<'
SymCaret: {"^", symClassOperator}, // 54: '^'
SymDollarRound: {"$(", symClassOperator}, // 55: '$('
SymOpenClosedRound: {"()", symClassPostOp}, // 56: '()'
SymDoubleDollar: {"$$", symClassOperator}, // 57: '$$'
SymDoubleDot: {"..", symClassOperator}, // 58: '..'
SymTripleDot: {"...", symClassOperator}, // 59: '...'
SymStarEqual: {"*=", symClassOperator}, // 60: '*='
SymSlashEqual: {"/=", symClassOperator}, // 61: '/='
SymPercEqual: {"%=", symClassOperator}, // 62: '%='
SymPlusGreater: {"+>", symClassOperator}, // 63: '+>'
SymLessPlus: {"<+", symClassOperator}, // 64: '<+'
SymUnknown: {"<unknown>", symClassOther}, // -1: Unknown symbol
SymNone: {"<null>", symClassOther}, // 0: Null value for variable of type symbol
SymError: {"<error>", symClassOther}, // 1: Error reading from stream
SymEos: {"<eos>", symClassOther}, // 2: End of stream
SymMinus: {"-", symClassOperator}, // 3: '-'
SymMinusEqual: {"-=", symClassOperator}, // 4: '-='
SymDoubleMinus: {"--", symClassOperator}, // 5: '--'
SymPlus: {"+", symClassOperator}, // 6: '+'
SymPlusEqual: {"+=", symClassOperator}, // 7: '+='
SymDoublePlus: {"++", symClassOperator}, // 8: '++'
SymStar: {"*", symClassOperator}, // 9: '*'
SymDoubleStar: {"**", symClassOperator}, // 10: '**'
SymSlash: {"/", symClassOperator}, // 11: '/'
SymBackSlash: {"\\", symClassOperator}, // 12: '\'
SymVertBar: {"|", symClassOperator}, // 13: '|'
SymDoubleVertBar: {"||", symClassOperator}, // 14: '||'
SymComma: {",", symClassOperator}, // 15: ','
SymColon: {":", symClassOperator}, // 16: ':'
SymSemiColon: {";", symClassOperator}, // 17: ';'
SymDot: {".", symClassOperator}, // 18: '.'
SymDotSlash: {"./", symClassOperator}, // 19: './'
SymQuote: {"'", symClassDelimiter}, // 20: '\''
SymDoubleQuote: {"\"", symClassDelimiter}, // 21: '"'
SymBackTick: {"`", symClassOperator}, // 22: '`'
SymExclamation: {"!", symClassPostOp}, // 23: '!'
SymQuestion: {"?", symClassOperator}, // 24: '?'
SymAmpersand: {"&", symClassOperator}, // 25: '&'
SymDoubleAmpersand: {"&&", symClassOperator}, // 26: '&&'
SymPercent: {"%", symClassOperator}, // 27: '%'
SymAt: {"@", symClassOperator}, // 28: '@'
SymUndescore: {"_", symClassOperator}, // 29: '_'
SymEqual: {"=", symClassOperator}, // 30: '='
SymDoubleEqual: {"==", symClassOperator}, // 31: '=='
SymLess: {"<", symClassOperator}, // 32: '<'
SymLessOrEqual: {"<=", symClassOperator}, // 33: '<='
SymGreater: {">", symClassOperator}, // 34: '>'
SymGreaterOrEqual: {">=", symClassOperator}, // 35: '>='
SymLessGreater: {"<>", symClassOperator}, // 36: '<>'
SymNotEqual: {"!=", symClassOperator}, // 37: '!='
SymDollar: {"$", symClassOperator}, // 38: '$'
SymHash: {"#", symClassOperator}, // 39: '#'
SymOpenRound: {"(", symClassParenthesis}, // 40: '('
SymClosedRound: {")", symClassParenthesis}, // 41: ')'
SymOpenSquare: {"[", symClassParenthesis}, // 42: '['
SymClosedSquare: {"]", symClassParenthesis}, // 43: ']'
SymOpenBrace: {"{", symClassParenthesis}, // 44: '{'
SymClosedBrace: {"}", symClassParenthesis}, // 45: '}'
SymTilde: {"~", symClassOperator}, // 46: '~'
SymDoubleQuestion: {"??", symClassOperator}, // 47: '??'
SymQuestionEqual: {"?=", symClassOperator}, // 48: '?='
SymQuestionExclam: {"?!", symClassOperator}, // 49: '?!'
SymDoubleAt: {"@@", symClassOperator}, // 50: '@@'
SymDoubleColon: {"::", symClassOperator}, // 51: '::'
SymDoubleGreater: {">>", symClassOperator}, // 52: '>>'
SymDoubleLess: {"<<", symClassOperator}, // 53: '<<'
SymCaret: {"^", symClassOperator}, // 54: '^'
SymDollarRound: {"$(", symClassOperator}, // 55: '$('
SymOpenClosedRound: {"()", symClassPostOp}, // 56: '()'
SymDoubleDollar: {"$$", symClassOperator}, // 57: '$$'
SymDoubleDot: {"..", symClassOperator}, // 58: '..'
SymTripleDot: {"...", symClassOperator}, // 59: '...'
SymStarEqual: {"*=", symClassOperator}, // 60: '*='
SymSlashEqual: {"/=", symClassOperator}, // 61: '/='
SymPercEqual: {"%=", symClassOperator}, // 62: '%='
SymDoubleLessEqual: {"<<=", symClassOperator}, // 63: '<<='
SymDoubleGreaterEqual: {">>=", symClassOperator}, // 64: '>>='
SymAmpersandEqual: {"&=", symClassOperator}, // 65: '&='
SymVertBarEqual: {"|=", symClassOperator}, // 65: '|='
SymPlusGreater: {"+>", symClassOperator}, // 66: '+>'
SymLessPlus: {"<+", symClassOperator}, // 67: '<+'
// SymChangeSign
// SymUnchangeSign
// SymIdentifier