Reorganization. Added makefile

1 files changed, 0 insertions, 63 deletions

diff --git a/test/yacc_sr.py b/test/yacc_sr.py
deleted file mode 100644
index 69a1e9c..0000000
--- a/test/yacc_sr.py
+++ /dev/null
@@ -1,63 +0,0 @@
-# -----------------------------------------------------------------------------
-# yacc_sr.py
-#
-# A grammar with shift-reduce conflicts
-# -----------------------------------------------------------------------------
-import sys
-
-if ".." not in sys.path: sys.path.insert(0,"..")
-import ply.yacc as yacc
-
-from calclex import tokens
-
-# Parsing rules
-
-# dictionary of names
-names = { }
-
-def p_statement_assign(t):
-    'statement : NAME EQUALS expression'
-    names[t[1]] = t[3]
-
-def p_statement_expr(t):
-    'statement : expression'
-    print(t[1])
-
-def p_expression_binop(t):
-    '''expression : expression PLUS expression
-                  | expression MINUS expression
-                  | expression TIMES expression
-                  | expression DIVIDE expression'''
-    if t[2] == '+'  : t[0] = t[1] + t[3]
-    elif t[2] == '-': t[0] = t[1] - t[3]
-    elif t[2] == '*': t[0] = t[1] * t[3]
-    elif t[2] == '/': t[0] = t[1] / t[3]
-
-def p_expression_uminus(t):
-    'expression : MINUS expression'
-    t[0] = -t[2]
-
-def p_expression_group(t):
-    'expression : LPAREN expression RPAREN'
-    t[0] = t[2]
-
-def p_expression_number(t):
-    'expression : NUMBER'
-    t[0] = t[1]
-
-def p_expression_name(t):
-    'expression : NAME'
-    try:
-        t[0] = names[t[1]]
-    except LookupError:
-        print("Undefined name '%s'" % t[1])
-        t[0] = 0
-
-def p_error(t):
-    print("Syntax error at '%s'" % t.value)
-
-yacc.yacc()
-
-
-
-