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Store multiline mode as a global flag

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This commit is contained in:
Aadhavan Srinivasan
2025-01-28 15:52:09 -05:00
parent d029a171c0
commit d890a93775
1 changed files with 5 additions and 0 deletions
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5
compile.go
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@@ -77,6 +77,9 @@ func getPOSIXClass(str []rune) (bool, string) {
// Stores whether the case-insensitive flag has been enabled. // Stores whether the case-insensitive flag has been enabled.
var caseInsensitive bool var caseInsensitive bool
// Stores whether the multiline flag has been enabled.
var multilineMode bool
/* /*
The Shunting-Yard algorithm is used to convert the given infix (regeular) expression to postfix. The Shunting-Yard algorithm is used to convert the given infix (regeular) expression to postfix.
The primary benefit of this is getting rid of parentheses. The primary benefit of this is getting rid of parentheses.
@@ -89,9 +92,11 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
// Check which flags are enabled // Check which flags are enabled
caseInsensitive = false caseInsensitive = false
multilineMode = false
// In Multiline mode, the newline character is considered a // In Multiline mode, the newline character is considered a
// 'dot' character ie. the dot metacharacter matches a newline as well. // 'dot' character ie. the dot metacharacter matches a newline as well.
if slices.Contains(flags, RE_MULTILINE) { if slices.Contains(flags, RE_MULTILINE) {
multilineMode = true
notDotChars = []rune{} notDotChars = []rune{}
} else { } else {
notDotChars = []rune{'\n'} notDotChars = []rune{'\n'}