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Add modulo operators to lexer

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Tokens MODULO and SLASH_MODULO are going to represent the modulo and
fmod operations on integers and floats, or return a pair with the
divisor and the modulo, respectively.
This commit is contained in:
Petar Kapriš 2025-01-17 20:47:03 +01:00
parent 4178bfefea
commit 9e1ef93990
1 changed files with 6 additions and 0 deletions
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6
pj1-go/lexer/lexer.go
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@ -37,6 +37,8 @@ const (
SLASH SLASH
SLASH_DOT SLASH_DOT
SLASH_UNDERSCORE SLASH_UNDERSCORE
SLASH_MODULO
MODULO
// Literals // Literals
IDENTIFIER IDENTIFIER
@ -179,6 +181,8 @@ func (l *Lexer) scanToken() {
} else { } else {
l.addSimpleToken(GREATER) l.addSimpleToken(GREATER)
} }
case '%':
l.addSimpleToken(MODULO)
case '/': case '/':
if l.match('/') { if l.match('/') {
// A comment goes until the end of the line // A comment goes until the end of the line
@ -211,6 +215,8 @@ func (l *Lexer) scanToken() {
l.addSimpleToken(SLASH_DOT) l.addSimpleToken(SLASH_DOT)
} else if l.match('_') { } else if l.match('_') {
l.addSimpleToken(SLASH_UNDERSCORE) l.addSimpleToken(SLASH_UNDERSCORE)
} else if l.match('%') {
l.addSimpleToken(SLASH_MODULO)
} else { } else {
l.addSimpleToken(SLASH) l.addSimpleToken(SLASH)
} }