LexiJ.lx

// Implicit declarations
ALPHA_LOWER := [a-z]
ALPHA_UPPER := [A-Z]
ALPHA := [{ALPHA_LOWER}|{ALPHA_UPPER}]

NUM := [0-9]

HEX := [{NUM}|a|b|c|d|e|f|A|B|C|D|E|F]

ALPHA_NUM := [{ALPHA}|{NUM}]

// Start of file
name("LexiJ") // Generates file name: "LexiJ.java"
buffers(1) // Creates 1 buffer than can be used throughout the lexer.

#PIPE := "|"
#COLON_EQUAL := ":="
#LEFT_BRACE := "{"
#RIGHT_BRACE := "}"
#LEFT_BRACKET := "["
#RIGHT_BRACKET := "]"
#LEFT_PARENTHESES := "("
#RIGHT_PARENTHESES := ")"

initial {
	"|" := #PIPE
	"[" := #LEFT_BRACKET
	"]" := #RIGHT_BRACKET
	
	"\\\\" := -> comment
//	"\\\\" -> comment
	
	({ALPHA}|_)+({ALPHA_NUM}|_)* := #NAMESPACE
//	([{ALPHA}|_])+([{ALPHA_NUM}|_])* := #NAMESPACE

	{NUM} := #NUMBER;
	
 	"\"" := {
 		buffer[0].clear()
	 	-> string
 	}
 	
	default := {
		print("Fallthrough")
	}
}

string {
	"\"" := {
		symbol(STRING, buffer[0])
	}
	default := {
		buffer[0].append(current())
	}
}

comment {
}