23 lines
558 B
Go
23 lines
558 B
Go
package tokenize
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// move updates the position of the cursor, based on the provided input string.
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// The input string represents the runes that the cursor must be moved over.
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// This method will take newlines into account to keep track of line numbers and
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// column positions automatically.
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func (f *stackFrame) moveCursor(input string) *stackFrame {
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for _, r := range input {
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f.moveCursorByRune(r)
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}
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return f
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}
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func (f *stackFrame) moveCursorByRune(r rune) *stackFrame {
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if r == '\n' {
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f.column = 0
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f.line++
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} else {
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f.column++
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}
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return f
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}
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