Lexer.scan

The main method which recognizes the characters that make up a token.

Complicated tokens are scanned in separate methods.

class Lexer

void

scan

(

Token* t

)

in { assert (text.ptr <= p && p < end); }

out { assert (text.ptr <= t.start && t.start < end, t.kind.toString); assert (text.ptr <= t.end && t.end <= end, t.kind.toString); assert (t.kind != T!"Invalid", t.text); }

Lexer.scan

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