Update preprocessor submodule with macroprocessor refactoring

By the way, add new tests for the macroprocessor.

preprocessor

@@ -1 +1 @@
-Subproject commit 49e1c43aed1acd80237d7fe911603ac4dd52d67d
+Subproject commit 9cf3e034de954f9b221fd72f6cd02334d47bda89

tests/Makefile.am

@@ -64,7 +64,7 @@ MODFILES = \
 	example1_with_tags.mod \
 	example1_irf_shocks.mod \
 	example1_abs_sign.mod \
-	example1_macroif.mod \
+	example1_macro.mod \
 	example1long.mod \
 	example2long.mod \
 	example2long_use_dll.mod \

tests/example1_macro.mod

@@ -1,4 +1,5 @@
-// Example 1 from Collard's guide to Dynare
+// Various tests for the macroprocessor
+
 var y, c, k, a, h, b;
 varexo e, u;
 
@@ -21,6 +22,39 @@ theta = 2.95;
 phi   = 0.1;
 @#endif
 
+@#define a = 5
+@#define b = 2*(a + 3)/4-1
+@#if b != 3
+@#error "Arithmetic problem"
+@#endif
+
+@#define v = [ "a", 1, 2:3]
+@#define empty = []
+@#define z = v[2:3]
+@#if z != [ 1, [ 2, 3 ]] || length(v) != 3 || 5 in v || !("a" in v) || length(empty) != 0
+@#error "Array problem"
+@#endif
+
+@#define w = [ 1 ]
+@#for elt in v
+@#define w = w + [ elt ]
+@#endfor
+@#if w != [ 1, "a", 1, 2:3]
+@#error "For loop problem"
+@#endif
+
+@#define s = "abcde"
+@#if length(s) != 5 || s[3:4] != "cd"
+@#error "String problem"
+@#endif
+
+@#define f(y, z) = "@{y}bar@{z}"
+@#if f("foo", "baz") != "foobarbaz"
+@#error "Function problem"
+@#endif
+
+
+
 model;
 c*theta*h^(1+psi)=(1-alpha)*y;
 k = beta*(((exp(b)*c)/(exp(b(+1))*c(+1)))