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Add exponentiation operator '**' in lexer

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This commit is contained in:
Petar Kapriš 2025-01-22 19:12:43 +01:00
parent 225a2b13ea
commit 6403c4578c
1 changed files with 7 additions and 1 deletions
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8
pj1-go/lexer.go
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@ -23,9 +23,10 @@ const (
MINUS MINUS
PLUS PLUS
SEMICOLON SEMICOLON
STAR
// One or two character tokens. // One or two character tokens.
STAR
STAR_STAR
BANG BANG
BANG_EQUAL BANG_EQUAL
EQUAL EQUAL
@ -156,6 +157,11 @@ func (l *Lexer) scanToken() {
case ';': case ';':
l.addSimpleToken(SEMICOLON) l.addSimpleToken(SEMICOLON)
case '*': case '*':
if l.match('*') {
l.addSimpleToken(STAR_STAR)
} else {
l.addSimpleToken(STAR)
}
l.addSimpleToken(STAR) l.addSimpleToken(STAR)
case '!': case '!':
if l.match('=') { if l.match('=') {