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diff lwcc/lex.c @ 306:b08787e5b9f3 ccdev

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Add include search paths and command line macro definitions Added command line macro definitions. Also implemented include paths. There is no default include path; that will be supplied by the driver program.
author William Astle <lost@l-w.ca>
date Wed, 18 Sep 2013 20:41:41 -0600
parents 54f213c8fb81
children 670ea8f90212
line wrap: on
line diff
--- a/lwcc/lex.c	Wed Sep 18 19:17:52 2013 -0600
+++ b/lwcc/lex.c	Wed Sep 18 20:41:41 2013 -0600
@@ -193,6 +193,17 @@
    characters cross a token boundary. */
 void preproc_lex_unfetch_byte(struct preproc_info *pp, int c)
 {
+	if (pp -> lexstr)
+	{
+		if (c == CPP_EOL)
+			return;
+		if (pp -> lexstrloc > 0)
+		{
+			pp -> lexstrloc--;
+			return;
+		}
+	}
+
 	if (pp -> ungetbufl >= pp -> ungetbufs)
 	{
 		pp -> ungetbufs += 100;