initial commit

projects/task2/smt_lang.h

@@ -0,0 +1,42 @@
+enum SmtPropBop{
+    SMTPROP_AND ,
+    SMTPROP_OR, SMTPROP_IMPLY, SMTPROP_IFF
+};
+typedef enum SmtPropBop SmtPropBop;
+
+enum SmtPropUop{
+    SMTPROP_NOT = 4
+};
+typedef enum SmtPropUop SmtPropUop;
+
+enum SmtPropType {
+    SMTB_PROP = 5, 
+    SMTU_PROP, 
+    SMT_PROPVAR
+};
+typedef enum SmtPropType SmtPropType;
+
+struct SmtProp {
+    SmtPropType type;
+    union {
+        struct {
+            SmtPropBop op;
+            struct SmtProp * prop1; 
+            struct SmtProp * prop2;
+        } Binary_prop;
+        struct {
+            SmtPropUop op;
+            struct SmtProp *prop1;
+        } Unary_prop;
+        int Propvar; //表示将原子命题抽象成的命题变元对应的编号
+    } prop;
+};
+
+typedef struct SmtProp SmtProp;
+
+struct SmtProplist {
+    SmtProp* prop;
+    struct SmtProplist* next;
+};
+
+typedef struct SmtProplist SmtProplist;