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new operator ':=', it assigns a value to a variable by deep copy

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This commit is contained in:
Celestino Amoroso
2026-05-17 05:02:07 +02:00
parent 08617378e0
commit 0c719025cd
9 changed files with 201 additions and 198 deletions
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scan/symbol-map.go
+42 -41
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@@ -64,47 +64,48 @@ func init() {
SymAt: {"@", SymClassOperator, PosPrefix}, // 28: '@'
SymUndescore: {"_", SymClassIdentifier, PosLeaf}, // 29: '_'
SymEqual: {"=", SymClassOperator, PosInfix}, // 30: '='
SymDoubleEqual: {"==", SymClassOperator, PosInfix}, // 31: '=='
SymLess: {"<", SymClassOperator, PosInfix}, // 32: '<'
SymLessOrEqual: {"<=", SymClassOperator, PosInfix}, // 33: '<='
SymGreater: {">", SymClassOperator, PosInfix}, // 34: '>'
SymGreaterOrEqual: {">=", SymClassOperator, PosInfix}, // 35: '>='
SymLessGreater: {"<>", SymClassOperator, PosInfix}, // 36: '<>'
SymNotEqual: {"!=", SymClassOperator, PosInfix}, // 37: '!='
SymDollar: {"$", SymClassOperator, PosPrefix}, // 38: '$'
SymHash: {"#", SymClassOperator, PosPrefix}, // 39: '#'
SymOpenRound: {"(", SymClassParenthesis, PosPrefix}, // 40: '('
SymClosedRound: {")", SymClassParenthesis, PosPostfix}, // 41: ')'
SymOpenSquare: {"[", SymClassParenthesis, PosPrefix}, // 42: '['
SymClosedSquare: {"]", SymClassParenthesis, PosPostfix}, // 43: ']'
SymOpenBrace: {"{", SymClassParenthesis, PosPrefix}, // 44: '{'
SymClosedBrace: {"}", SymClassParenthesis, PosPostfix}, // 45: '}'
SymTilde: {"~", SymClassOperator, PosPrefix}, // 46: '~'
SymDoubleQuestion: {"??", SymClassOperator, PosInfix}, // 47: '??'
SymQuestionEqual: {"?=", SymClassOperator, PosInfix}, // 48: '?='
SymQuestionExclam: {"?!", SymClassOperator, PosInfix}, // 49: '?!'
SymDoubleAt: {"@@", SymClassCommand, PosLeaf}, // 50: '@@'
SymDoubleColon: {"::", SymClassOperator, PosInfix}, // 51: '::'
SymDoubleGreater: {">>", SymClassOperator, PosInfix}, // 52: '>>'
SymDoubleLess: {"<<", SymClassOperator, PosInfix}, // 53: '<<'
SymCaret: {"^", SymClassOperator, PosInfix}, // 54: '^'
SymDollarRound: {"$(", SymClassOperator, PosPrefix}, // 55: '$('
SymOpenClosedRound: {"()", SymClassOperator, PosPostfix}, // 56: '()'
SymDoubleDollar: {"$$", SymClassCommand, PosLeaf}, // 57: '$$'
SymDoubleDot: {"..", SymClassOperator, PosInfix}, // 58: '..'
SymTripleDot: {"...", SymClassOperator, PosPostfix}, // 59: '...'
SymStarEqual: {"*=", SymClassOperator, PosInfix}, // 60: '*='
SymSlashEqual: {"/=", SymClassOperator, PosInfix}, // 61: '/='
SymPercEqual: {"%=", SymClassOperator, PosInfix}, // 62: '%='
SymDoubleLessEqual: {"<<=", SymClassOperator, PosInfix}, // 63: '<<='
SymDoubleGreaterEqual: {">>=", SymClassOperator, PosInfix}, // 64: '>>='
SymAmpersandEqual: {"&=", SymClassOperator, PosInfix}, // 65: '&='
SymVertBarEqual: {"|=", SymClassOperator, PosInfix}, // 65: '|='
SymCaretEqual: {"^=", SymClassOperator, PosInfix}, // 66: '^='
SymPlusGreater: {"+>", SymClassOperator, PosInfix}, // 67: '+>'
SymLessPlus: {"<+", SymClassOperator, PosInfix}, // 68: '<+'
SymPreInc: {"++", SymClassOperator, PosPrefix}, // : '++'
SymPreDec: {"--", SymClassOperator, PosPrefix}, // : '--'
SymColonEqual: {":=", SymClassOperator, PosInfix}, // 31: ':='
SymDoubleEqual: {"==", SymClassOperator, PosInfix}, // 32: '=='
SymLess: {"<", SymClassOperator, PosInfix}, // 33: '<'
SymLessOrEqual: {"<=", SymClassOperator, PosInfix}, // 34: '<='
SymGreater: {">", SymClassOperator, PosInfix}, // 35: '>'
SymGreaterOrEqual: {">=", SymClassOperator, PosInfix}, // 36: '>='
SymLessGreater: {"<>", SymClassOperator, PosInfix}, // 37: '<>'
SymNotEqual: {"!=", SymClassOperator, PosInfix}, // 38: '!='
SymDollar: {"$", SymClassOperator, PosPrefix}, // 39: '$'
SymHash: {"#", SymClassOperator, PosPrefix}, // 40: '#'
SymOpenRound: {"(", SymClassParenthesis, PosPrefix}, // 41: '('
SymClosedRound: {")", SymClassParenthesis, PosPostfix}, // 42: ')'
SymOpenSquare: {"[", SymClassParenthesis, PosPrefix}, // 43: '['
SymClosedSquare: {"]", SymClassParenthesis, PosPostfix}, // 44: ']'
SymOpenBrace: {"{", SymClassParenthesis, PosPrefix}, // 45: '{'
SymClosedBrace: {"}", SymClassParenthesis, PosPostfix}, // 46: '}'
SymTilde: {"~", SymClassOperator, PosPrefix}, // 47: '~'
SymDoubleQuestion: {"??", SymClassOperator, PosInfix}, // 48: '??'
SymQuestionEqual: {"?=", SymClassOperator, PosInfix}, // 49: '?='
SymQuestionExclam: {"?!", SymClassOperator, PosInfix}, // 50: '?!'
SymDoubleAt: {"@@", SymClassCommand, PosLeaf}, // 51: '@@'
SymDoubleColon: {"::", SymClassOperator, PosInfix}, // 52: '::'
SymDoubleGreater: {">>", SymClassOperator, PosInfix}, // 53: '>>'
SymDoubleLess: {"<<", SymClassOperator, PosInfix}, // 54: '<<'
SymCaret: {"^", SymClassOperator, PosInfix}, // 55: '^'
SymDollarRound: {"$(", SymClassOperator, PosPrefix}, // 56: '$('
SymOpenClosedRound: {"()", SymClassOperator, PosPostfix}, // 57: '()'
SymDoubleDollar: {"$$", SymClassCommand, PosLeaf}, // 58: '$$'
SymDoubleDot: {"..", SymClassOperator, PosInfix}, // 59: '..'
SymTripleDot: {"...", SymClassOperator, PosPostfix}, // 60: '...'
SymStarEqual: {"*=", SymClassOperator, PosInfix}, // 61: '*='
SymSlashEqual: {"/=", SymClassOperator, PosInfix}, // 62: '/='
SymPercEqual: {"%=", SymClassOperator, PosInfix}, // 63: '%='
SymDoubleLessEqual: {"<<=", SymClassOperator, PosInfix}, // 64: '<<='
SymDoubleGreaterEqual: {">>=", SymClassOperator, PosInfix}, // 65: '>>='
SymAmpersandEqual: {"&=", SymClassOperator, PosInfix}, // 66: '&='
SymVertBarEqual: {"|=", SymClassOperator, PosInfix}, // 67: '|='
SymCaretEqual: {"^=", SymClassOperator, PosInfix}, // 68: '^='
SymPlusGreater: {"+>", SymClassOperator, PosInfix}, // 69: '+>'
SymLessPlus: {"<+", SymClassOperator, PosInfix}, // 70: '<+'
SymPreInc: {"++", SymClassOperator, PosPrefix}, // 71: '++'
SymPreDec: {"--", SymClassOperator, PosPrefix}, // 72: '--'
// SymChangeSign
// SymUnchangeSign
// SymIdentifier