Fix bug when no spaces after macro def

When defining a macro with no spaces like:

 #define macro(x)#x

The zxbpp crashed. Fixed.
Also updated cached parsers.

Author: boriel

src/libzxbpp/zxbpp.py

@@ -424,14 +424,18 @@ def p_warningmsg(p):
 def p_define(p):
     """ define : DEFINE ID params defs
     """
+    id_ = p[2]
+    params = p[3]
+    defs = p[4]
+
     if ENABLED:
-        if p[4]:
-            if p[4][0] in ' \t':  # remove leading whitespaces
-                p[4][0] = p[4][0].lstrip(' \t')
+        if defs:
+            if isinstance(defs[0], str) and defs[0] in ' \t':  # remove leading whitespaces
+                defs[0] = defs[0].lstrip(' \t')
             else:
                 warning(p.lineno(1), "missing whitespace after macro name")
 
-        ID_TABLE.define(p[2], args=p[3], value=p[4], lineno=p.lineno(2),
+        ID_TABLE.define(id_, args=params, value=defs, lineno=p.lineno(2),
                         fname=output.CURRENT_FILE[-1])
     p[0] = []
 
@@ -833,7 +837,7 @@ def main(argv):
     return global_.has_errors
 
 
-parser = yacc.yacc(debug=True)
+parser = src.api.utils.get_or_create('zxbpp', lambda: yacc.yacc(debug=True))
 
 parser.defaulted_states = {}
 ID_TABLE = DefinesTable()

src/parsetab/tabs.dbm.bak

@@ -1,4 +1,4 @@
-'zxbpp', (0, 70950)
-'asmparse', (71168, 254311)
-'zxnext_asmparse', (325632, 285299)
-'zxbparser', (611328, 712099)
+'zxbpp', (0, 72571)
+'asmparse', (72704, 254311)
+'zxnext_asmparse', (327168, 285299)
+'zxbparser', (612864, 712099)

src/parsetab/tabs.dbm.dat

@@ -1,4 +1,4 @@
-'zxbpp', (0, 70950)
-'asmparse', (71168, 254311)
-'zxnext_asmparse', (325632, 285299)
-'zxbparser', (611328, 712099)
+'zxbpp', (0, 72571)
+'asmparse', (72704, 254311)
+'zxnext_asmparse', (327168, 285299)
+'zxbparser', (612864, 712099)

src/parsetab/tabs.dbm.dir

@@ -0,0 +1,6 @@
+
+
+#define q(a)XX##a
+
+q(5)
+

tests/functional/prepro63.bi

@@ -0,0 +1,7 @@
+#line 1 "prepro63.bi"
+
+
+
+
+XX5
+