add control flow statements

Author: macite

.gitignore

@@ -1,2 +1,4 @@
 out
 **/__pycache__
+syntax/csharp/sequence-data/program.ebnf
+.DS_Store

syntax/csharp/control-flow/case-statement.ebnf

@@ -0,0 +1,5 @@
+case statement = "switch", "(", expression, ")", "{", { case }+, [default case], "}";
+
+case = "case", constant expression, ":", { statement, ";" }*, ["break;"] ;
+
+default case = "default:", { statement, ";" }* ;

syntax/csharp/control-flow/compound-statement.ebnf

@@ -0,0 +1 @@
+compound statement = "{", { statement, ";" }* ,"}" ;

syntax/csharp/control-flow/do-while-loop.ebnf

@@ -0,0 +1 @@
+do while loop = "do", compound statement, "while", "(", expression, ")" ;

syntax/csharp/control-flow/for-loop.ebnf

@@ -0,0 +1,7 @@
+for loop = "for", "(", initialiser, ";", control, ";", increment, ")", statement;
+
+initialiser = assignment statement ;
+
+control = expression ;
+
+increment = assignment statement ;

syntax/csharp/control-flow/if-statement.ebnf

@@ -0,0 +1 @@
+if statement = "if", "(", expression, ")", statement, ["else", statement] ;

syntax/csharp/control-flow/jump-statements.ebnf

@@ -0,0 +1,3 @@
+break statement = "break";
+
+continue statement = "continue";

syntax/csharp/control-flow/statement-with-control-flow.ebnf

@@ -0,0 +1,7 @@
+statement = method call | assignment statement | compound statement | branching statement | looping statement | jump statement;
+
+branching stmt. = if statement | case statement ;
+
+looping stmt. = while loop | do while loop | for loop ;
+
+jump statement = break statement | continue statement ;

syntax/csharp/control-flow/while-loop.ebnf

@@ -0,0 +1 @@
+while loop = "while", "(", expression, ")", statement ;

syntax/csharp/sequence-data/assignment-statement.ebnf

@@ -0,0 +1,10 @@
+assignment stmt. = standard assignment | post increment | post decrement | pre increment | pre decrement, ";" ;
+
+std. assignment = variable name, "=" | "+=" | "-=" | "*=" | "/=" , expression ;
+
+post increment = variable name, "++" ;
+post decrement = variable name, "--";
+pre increment = "++", variable name;
+pre decrement = "--", variable name;
+
+variable name = identifier; 

syntax/csharp/sequence-data/method-call.ebnf

@@ -1 +1 @@
-method call = method name, "(", { argument }*(",") ")" ;
+method call = method name, "(", { argument }*(",") ")", ";" ;

syntax/csharp/sequence-data/program.ebnf

@@ -1,2 +1,4 @@
-program = [using clause], { instruction, ";" }* ;
+program = [using clause], { statement }* ;
 using clause = "using", "static", class name ;
+
+statement = variable declaration | method call | assignment statement;