changes
[cdsspec-compiler.git] / grammer / spec_compiler.jj
index 43faebf46a2222051b09295db1b19fbc44f3baed..305eabf7ce927ca58f0711193f103a95d40146c4 100644 (file)
        @Begin
        @Potential_commit_point_define: ...
        @Label: ...
+       @End
+
+               OR
+
+       @Begin
+       @Potential_additional_ordering_point_define: ...
+       @Label: ...
        @End
 
        d) Commit point define construct
        @Begin
        @Commit_point_define_check: ...
        @Label: ...
+       @End
+
+               OR
+       
+       # Addition ordering point is used to order operations when there are "equal"
+       # commit point operations on the same location and that we cannot decide
+       # which operation goes first, we will use additional ordering point to order
+       # them (it's just similar to commit points). In implementation, we can just
+       # treat them as commit points with a special flag.
+
+       @Begin
+       @Additional_ordering_point_define: ...
+       @Potential_additional_ordering_point_label: ...
+       @Label: ...
        @End
        
                OR
+       
+       @Begin
+       @Additional_ordering_point_define: ...
+       @Label: ...
+       @End
+
+               OR
 
        @Begin
-       @Commit_point_define: ...
-       @Potential_commit_point_label: ...
+       @Additional_ordering_point_define_check: ...
        @Label: ...
        @End
 
@@ -339,6 +366,8 @@ SKIP : {
        <DECLARE_VAR: "@DeclareVar:">
 |
        <INIT_VAR: "@InitVar:">
+|
+       <CLEANUP: "@Cleanup:">
 |
        <DEFINE_FUNC: "@DefineFunc:">
 |
@@ -375,16 +404,24 @@ SKIP : {
        <POST_CHECK: "@Post_check:">
 |
        <POTENTIAL_COMMIT_POINT_DEFINE: "@Potential_commit_point_define:">
+|
+       <POTENTIAL_ADDITIONAL_ORDERING_POINT_DEFINE: "@Potential_additional_ordering_point_define:">
 |
        <LABEL: "@Label:">
 |
        <COMMIT_POINT_DEFINE_CHECK: "@Commit_point_define_check:">
+|
+       <ADDITIONAL_ORDERING_POINT_DEFINE_CHECK: "@Additional_ordering_point_define_check:">
 |
        <COMMIT_POINT_DEFINE: "@Commit_point_define:">
+|
+       <ADDITIONAL_ORDERING_POINT_DEFINE: "@Additional_ordering_point_define:">
 |
        <COMMIT_POINT_CLEAR: "@Commit_point_clear:">
 |
        <POTENTIAL_COMMIT_POINT_LABEL: "@Potential_commit_point_label:">
+|
+       <POTENTIAL_ADDITIONAL_ORDERING_POINT_LABEL: "@Potential_additional_ordering_point_label:">
 }
 
 
@@ -895,6 +932,9 @@ Construct ParseSpec() :
        LOOKAHEAD(2) res = Potential_commit_point_define() |
        LOOKAHEAD(2) res = Commit_point_define() |
        LOOKAHEAD(2) res = Commit_point_define_check() |
+       LOOKAHEAD(2) res = Potential_additional_ordering_point_define() |
+       LOOKAHEAD(2) res = Additional_ordering_point_define() |
+       LOOKAHEAD(2) res = Additional_ordering_point_define_check() |
        LOOKAHEAD(2) res = Commit_point_clear() |
        LOOKAHEAD(2) res = Entry_point() |
        LOOKAHEAD(2) res = Class_begin() |
@@ -946,7 +986,7 @@ GlobalConstruct Global_construct() :
 
 SequentialDefineSubConstruct Global_define() :
 {
-       ArrayList<String> initVar, defineFunc, code, declareStruct;
+       ArrayList<String> initVar, cleanup, defineFunc, code, declareStruct;
        ArrayList<ArrayList<String>> defineFuncs;
        ArrayList<VariableDeclaration> declareVars;
        ArrayList<ArrayList<String>> declareStructs;
@@ -956,7 +996,8 @@ SequentialDefineSubConstruct Global_define() :
 {
        {
                declareVars = new ArrayList<VariableDeclaration>();
-               initVar = null;
+               initVar = new ArrayList<String>();
+               cleanup = new ArrayList<String>();
                defineFuncs = new ArrayList<ArrayList<String>>();
                declareStructs = new ArrayList<ArrayList<String>>();
        }
@@ -966,10 +1007,11 @@ SequentialDefineSubConstruct Global_define() :
                (<DECLARE_VAR> ((declareVar = TypeParam() <SEMI_COLON> {
                        declareVars.add(declareVar); } )*))?
        (<INIT_VAR> (code = C_CPP_CODE(null) { initVar = code; } ))?
+       (<CLEANUP> (code = C_CPP_CODE(null) { cleanup = code; } ))?
        (<DEFINE_FUNC> (defineFunc = C_CPP_CODE(null) { defineFuncs.add(defineFunc); }))*
        {
                SequentialDefineSubConstruct res = new
-                       SequentialDefineSubConstruct(declareStructs, declareVars, initVar, defineFuncs);
+                       SequentialDefineSubConstruct(declareStructs, declareVars, initVar, cleanup, defineFuncs);
                //System.out.println(res);
                return res;
        }
@@ -1110,6 +1152,26 @@ PotentialCPDefineConstruct Potential_commit_point_define() :
        }
 }
 
+PotentialCPDefineConstruct Potential_additional_ordering_point_define() :
+{
+       PotentialCPDefineConstruct res;
+       String label, condition;
+       ArrayList<String> content;
+}
+{
+
+       { res = null; }
+               <BEGIN>
+                       <POTENTIAL_ADDITIONAL_ORDERING_POINT_DEFINE> (content = C_CPP_CODE(null) { condition = stringArray2String(content); })
+                       <LABEL> (label = <IDENTIFIER>.image)
+               <END>
+       {
+               // Set the boolean flag isAdditionalOrderingPoint to be true
+               res = new PotentialCPDefineConstruct(_file, _content.size(), true, label, condition); 
+               return res;
+       }
+}
+
 
 CPDefineConstruct Commit_point_define() :
 {
@@ -1126,7 +1188,28 @@ CPDefineConstruct Commit_point_define() :
                        <LABEL> (label = <IDENTIFIER>.image)
                <END>
        {
-               res = new CPDefineConstruct(_file, _content.size(), label, potentialCPLabel, condition);
+               res = new CPDefineConstruct(_file, _content.size(), false, label, potentialCPLabel, condition);
+               return res;
+       }
+}
+
+CPDefineConstruct Additional_ordering_point_define() :
+{
+       CPDefineConstruct res;
+       String label, potentialCPLabel, condition;
+       ArrayList<String> content;
+}
+{
+
+       { res = null; }
+               <BEGIN>
+                       <ADDITIONAL_ORDERING_POINT_DEFINE> (content = C_CPP_CODE(null) { condition = stringArray2String(content); })
+                       <POTENTIAL_ADDITIONAL_ORDERING_POINT_LABEL> (potentialCPLabel = <IDENTIFIER>.image)
+                       <LABEL> (label = <IDENTIFIER>.image)
+               <END>
+       {
+               // Set the boolean flag isAdditionalOrderingPoint to be true
+               res = new CPDefineConstruct(_file, _content.size(), true, label, potentialCPLabel, condition);
                return res;
        }
 }
@@ -1165,7 +1248,27 @@ CPDefineCheckConstruct Commit_point_define_check() :
                        <LABEL> (label = <IDENTIFIER>.image)
                <END>
        {
-               res = new CPDefineCheckConstruct(_file, _content.size(), label, condition);
+               res = new CPDefineCheckConstruct(_file, _content.size(), false, label, condition);
+               return res;
+       }
+}
+
+CPDefineCheckConstruct Additional_ordering_point_define_check() :
+{
+       CPDefineCheckConstruct res;     
+       String label, condition;
+       ArrayList<String> content;
+}
+{
+
+       { res = null; }
+               <BEGIN> 
+                       <ADDITIONAL_ORDERING_POINT_DEFINE_CHECK> (content = C_CPP_CODE(null) { condition = stringArray2String(content); })
+                       <LABEL> (label = <IDENTIFIER>.image)
+               <END>
+       {
+               // Set the boolean flag isAdditionalOrderingPoint to be true
+               res = new CPDefineCheckConstruct(_file, _content.size(), true, label, condition);
                return res;
        }
 }