Json trees

runtime-testsuite/pom.xml

@@ -117,8 +117,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
                     <release>8</release>
-                    <source>9</source>
-                    <target>9</target>
+                    <source>11</source>
+                    <target>11</target>
                 </configuration>
             </plugin>
         </plugins>

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonEmpty.txt

@@ -0,0 +1,53 @@
+[type]
+Parser
+
+[grammar]
+grammar VisitorCalc;
+
+s
+@init {
+   <BuildParseTrees()>
+}
+@after {
+<ToJSON("$ctx"):writeln()>
+}
+    :	expr EOF
+	|
+	;
+
+expr
+	:	INT						# number
+	|   ID                      # var
+	|   ID '(' ')'              # func
+	|	expr (MUL | DIV) expr	# multiply
+	|	expr (ADD | SUB) expr	# add
+	;
+
+INT : [0-9]+;
+ID  : [a-zA-Z_]+ ;
+MUL : '*';
+DIV : '/';
+ADD : '+';
+SUB : '-';
+WS : [ \t]+ -> channel(HIDDEN);
+
+[start]
+s
+
+[input]
+
+
+[output]
+"""{"rules":["s","expr"],"input":"","tokens":[{"type":-1,"line":1,"pos":0,"channel":0,"start":0,"stop":-1}],"tree":"0"}
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonExpr.txt

@@ -0,0 +1,53 @@
+[type]
+Parser
+
+[grammar]
+grammar VisitorCalc;
+
+s
+@init {
+   <BuildParseTrees()>
+}
+@after {
+<ToJSON("$ctx"):writeln()>
+}
+    :	expr EOF
+	|
+	;
+
+expr
+	:	INT						# number
+	|   ID                      # var
+	|   ID '(' ')'              # func
+	|	expr (MUL | DIV) expr	# multiply
+	|	expr (ADD | SUB) expr	# add
+	;
+
+INT : [0-9]+;
+ID  : [a-zA-Z_]+ ;
+MUL : '*';
+DIV : '/';
+ADD : '+';
+SUB : '-';
+WS : [ \t]+ -> channel(HIDDEN);
+
+[start]
+s
+
+[input]
+1+2
+
+[output]
+"""{"rules":["s","expr"],"input":"1+2","tokens":[{"type":3,"line":1,"pos":0,"channel":0,"start":0,"stop":0},{"type":7,"line":1,"pos":1,"channel":0,"start":1,"stop":1},{"type":3,"line":1,"pos":2,"channel":0,"start":2,"stop":2},{"type":-1,"line":1,"pos":3,"channel":0,"start":3,"stop":2}],"tree":{"0":[{"1":[{"1":[0]},1,{"1":[2]}]},3]}}
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonMismatchedToken.txt

@@ -0,0 +1,57 @@
+[type]
+Parser
+
+[grammar]
+grammar VisitorCalc;
+
+s
+    :	expr EOF
+	|
+	;
+
+expr
+@init {
+   <BuildParseTrees()>
+}
+@after {
+<ToJSON("$ctx"):writeln()>
+}
+	:	INT						# number
+	|   ID                      # var
+	|   ID '(' ')'              # func
+	|	expr (MUL | DIV) expr	# multiply
+	|	expr (ADD | SUB) expr	# add
+	;
+
+INT : [0-9]+;
+ID  : [a-zA-Z_]+ ;
+MUL : '*';
+DIV : '/';
+ADD : '+';
+SUB : '-';
+WS : [ \t]+ -> channel(HIDDEN);
+
+[start]
+expr
+
+[input]
+f(
+
+[output]
+"""{"rules":["s","expr"],"input":"f(","tokens":[{"type":4,"line":1,"pos":0,"channel":0,"start":0,"stop":0},{"type":1,"line":1,"pos":1,"channel":0,"start":1,"stop":1},{"type":-1,"line":1,"pos":2,"channel":0,"start":2,"stop":1}],"tree":{"1":[0,1,{"error":"<missing ')'>"}]}}
+"""
+
+[errors]
+"""line 1:2 missing ')' at '<EOF>'
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonNotTiny.txt

@@ -0,0 +1,59 @@
+[type]
+Parser
+
+[grammar]
+grammar Expr;
+
+program
+@init {
+   <BuildParseTrees()>
+}
+@after {
+    <ToStringTree("$ctx"):writeln()>
+    <ToJSON("$ctx"):writeln()>
+}
+    : stat EOF
+    | def EOF
+    ;
+
+stat: ID '=' expr ';'
+    | expr ';'
+    ;
+
+def : ID '(' ID (',' ID)* ')' '{' stat* '}' ;
+
+expr: ID
+    | INT
+    | func
+    | 'not' expr
+    | expr 'and' expr
+    | expr 'or' expr
+    ;
+
+func : ID '(' expr (',' expr)* ')' ;
+
+INT : [0-9]+ ;
+ID: [a-zA-Z_][a-zA-Z_0-9]* ;
+WS: [ \t\n\r\f]+ -> skip ;
+
+[start]
+program
+
+[input]
+f(x, y, z) { x = x and y or z; g(30); }
+
+[output]
+"""(program (def f ( x , y , z ) { (stat x = (expr (expr (expr x) and (expr y)) or (expr z)) ;) (stat (expr (func g ( (expr 30) ))) ;) }) <EOF>)
+{"rules":["program","stat","def","expr","func"],"input":"f(x, y, z) { x = x and y or z; g(30); }","tokens":[{"type":12,"line":1,"pos":0,"channel":0,"start":0,"stop":0},{"type":3,"line":1,"pos":1,"channel":0,"start":1,"stop":1},{"type":12,"line":1,"pos":2,"channel":0,"start":2,"stop":2},{"type":4,"line":1,"pos":3,"channel":0,"start":3,"stop":3},{"type":12,"line":1,"pos":5,"channel":0,"start":5,"stop":5},{"type":4,"line":1,"pos":6,"channel":0,"start":6,"stop":6},{"type":12,"line":1,"pos":8,"channel":0,"start":8,"stop":8},{"type":5,"line":1,"pos":9,"channel":0,"start":9,"stop":9},{"type":6,"line":1,"pos":11,"channel":0,"start":11,"stop":11},{"type":12,"line":1,"pos":13,"channel":0,"start":13,"stop":13},{"type":1,"line":1,"pos":15,"channel":0,"start":15,"stop":15},{"type":12,"line":1,"pos":17,"channel":0,"start":17,"stop":17},{"type":9,"line":1,"pos":19,"channel":0,"start":19,"stop":21},{"type":12,"line":1,"pos":23,"channel":0,"start":23,"stop":23},{"type":10,"line":1,"pos":25,"channel":0,"start":25,"stop":26},{"type":12,"line":1,"pos":28,"channel":0,"start":28,"stop":28},{"type":2,"line":1,"pos":29,"channel":0,"start":29,"stop":29},{"type":12,"line":1,"pos":31,"channel":0,"start":31,"stop":31},{"type":3,"line":1,"pos":32,"channel":0,"start":32,"stop":32},{"type":11,"line":1,"pos":33,"channel":0,"start":33,"stop":34},{"type":5,"line":1,"pos":35,"channel":0,"start":35,"stop":35},{"type":2,"line":1,"pos":36,"channel":0,"start":36,"stop":36},{"type":7,"line":1,"pos":38,"channel":0,"start":38,"stop":38},{"type":-1,"line":1,"pos":39,"channel":0,"start":39,"stop":38}],"tree":{"0":[{"2":[0,1,2,3,4,5,6,7,8,{"1":[9,10,{"3":[{"3":[{"3":[11]},12,{"3":[13]}]},14,{"3":[15]}]},16]},{"1":[{"3":[{"4":[17,18,{"3":[19]},20]}]},21]},22]},23]}}
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonOneToken.txt

@@ -0,0 +1,53 @@
+[type]
+Parser
+
+[grammar]
+grammar VisitorCalc;
+
+s
+    :	expr EOF
+	|
+	;
+
+expr
+@init {
+   <BuildParseTrees()>
+}
+@after {
+<ToJSON("$ctx"):writeln()>
+}
+	:	INT						# number
+	|   ID                      # var
+	|   ID '(' ')'              # func
+	|	expr (MUL | DIV) expr	# multiply
+	|	expr (ADD | SUB) expr	# add
+	;
+
+INT : [0-9]+;
+ID  : [a-zA-Z_]+ ;
+MUL : '*';
+DIV : '/';
+ADD : '+';
+SUB : '-';
+WS : [ \t]+ -> channel(HIDDEN);
+
+[start]
+expr
+
+[input]
+8
+
+[output]
+"""{"rules":["s","expr"],"input":"8","tokens":[{"type":3,"line":1,"pos":0,"channel":0,"start":0,"stop":0},{"type":-1,"line":1,"pos":1,"channel":0,"start":1,"stop":0}],"tree":{"1":[0]}}
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/descriptors/ParseTrees/JsonOneTokenOneRule.txt

@@ -0,0 +1,53 @@
+[type]
+Parser
+
+[grammar]
+grammar VisitorCalc;
+
+s
+@init {
+   <BuildParseTrees()>
+}
+@after {
+<ToJSON("$ctx"):writeln()>
+}
+    :	expr EOF
+	|
+	;
+
+expr
+	:	INT						# number
+	|   ID                      # var
+	|   ID '(' ')'              # func
+	|	expr (MUL | DIV) expr	# multiply
+	|	expr (ADD | SUB) expr	# add
+	;
+
+INT : [0-9]+;
+ID  : [a-zA-Z_]+ ;
+MUL : '*';
+DIV : '/';
+ADD : '+';
+SUB : '-';
+WS : [ \t]+ -> channel(HIDDEN);
+
+[start]
+s
+
+[input]
+99
+
+[output]
+"""{"rules":["s","expr"],"input":"99","tokens":[{"type":3,"line":1,"pos":0,"channel":0,"start":0,"stop":1},{"type":-1,"line":1,"pos":2,"channel":0,"start":2,"stop":1}],"tree":{"0":[{"1":[0]},1]}}
+"""
+
+[skip]
+Cpp
+CSharp
+Dart
+Go
+JavaScript
+PHP
+Swift
+Python2
+Python3

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/CSharp.test.stg

@@ -56,6 +56,8 @@ BailErrorStrategy() ::= <%ErrorHandler = new BailErrorStrategy();%>
 
 ToStringTree(s) ::= <%<s>.ToStringTree(this)%>
 
+ToJSON(s) ::= ""
+
 Column() ::= "this.Column"
 
 Text() ::= "this.Text"

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/Cpp.test.stg

@@ -35,6 +35,8 @@ BuildParseTrees() ::= "setBuildParseTree(true);"
 BailErrorStrategy() ::= "_errHandler = std::make_shared\<BailErrorStrategy>();"
 
 ToStringTree(s) ::= "<s>->toStringTree(this)"
+ToJSON(s) ::= ""
+
 Column() ::= "getCharPositionInLine()"
 Text() ::= "getText()"
 ValEquals(a,b) ::= "<a> == <b>"

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/Dart.test.stg

@@ -55,6 +55,7 @@ BuildParseTrees() ::= "buildParseTree = true;"
 BailErrorStrategy() ::= <%errorHandler = new BailErrorStrategy();%>
 
 ToStringTree(s) ::= <%<s>.toStringTree(parser: this)%>
+ToJSON(s) ::= ""
 
 Column() ::= "this.charPositionInLine"
 

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/Go.test.stg

@@ -55,6 +55,7 @@ BuildParseTrees() ::= "p.BuildParseTrees = true"
 BailErrorStrategy() ::= <%p.SetErrorHandler(antlr.NewBailErrorStrategy())%>
 
 ToStringTree(s) ::= <%<s>.ToStringTree(nil, p)%>
+ToJSON(s) ::= ""
 
 Column() ::= "p.GetCharPositionInLine()"
 

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/Java.test.stg

@@ -56,6 +56,8 @@ BailErrorStrategy() ::= <%setErrorHandler(new BailErrorStrategy());%>
 
 ToStringTree(s) ::= <%<s>.toStringTree(this)%>
 
+ToJSON(s) ::= <%JsonSerializer.toJSON(<s>,this)%>
+
 Column() ::= "this.getCharPositionInLine()"
 
 Text() ::= "this.getText()"

runtime-testsuite/resources/org/antlr/v4/test/runtime/templates/JavaScript.test.stg

@@ -55,6 +55,7 @@ BuildParseTrees() ::= "this.buildParseTrees = true;"
 BailErrorStrategy() ::= <%this._errHandler = new antlr4.error.BailErrorStrategy();%>
 
 ToStringTree(s) ::= <%<s>.toStringTree(null, this)%>
+ToJSON(s) ::= ""
 
 Column() ::= "this.column"