diff options
Diffstat (limited to 'st/SymTableVis.java')
-rw-r--r-- | st/SymTableVis.java | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/st/SymTableVis.java b/st/SymTableVis.java deleted file mode 100644 index 36233b3..0000000 --- a/st/SymTableVis.java +++ /dev/null @@ -1,286 +0,0 @@ -package st; - -import syntaxtree.*; -import visitor.*; -import java.util.*; -import misc.*; - -/** - * Provides default methods which visit each node in the tree in depth-first - * order. Your visitors may extend this class. - */ -public class SymTableVis<R> extends GJDepthFirst<R,ArrayList<String>> { - - public HashMap<String,AbstractInstance> symt = new HashMap<>(); - - - /** - * f0 -> "class" - * f1 -> Identifier() - * f2 -> "{" - * f3 -> "public" - * f4 -> "static" - * f5 -> "void" - * f6 -> "main" - * f7 -> "(" - * f8 -> "String" - * f9 -> "[" - * f10 -> "]" - * f11 -> Identifier() - * f12 -> ")" - * f13 -> "{" - * f14 -> ( VarDeclaration() )* - * f15 -> ( Statement() )* - * f16 -> "}" - * f17 -> "}" - */ - public R visit(MainClass n, ArrayList<String> argu) { - - ArrayList<String> attr_list = new ArrayList<String>(); - ArrayList<String> mtd_list = new ArrayList<String>(); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - n.f3.accept(this, argu); - n.f4.accept(this, argu); - n.f5.accept(this, argu); - n.f6.accept(this, argu); - n.f7.accept(this, argu); - n.f8.accept(this, argu); - n.f9.accept(this, argu); - n.f10.accept(this, argu); - n.f11.accept(this, argu); - n.f12.accept(this, argu); - n.f13.accept(this, argu); - n.f14.accept(this, attr_list); - n.f15.accept(this, mtd_list); - n.f16.accept(this, argu); - n.f17.accept(this, argu); - - - PrintFilter.print("Processing main", true); - - String id = n.f1.f0.tokenImage; - - ClassInstance type = new ClassInstance(id); - type.set_attrs(attr_list); - type.set_mtds(mtd_list); - PrintFilter.print("Inserting " + id + " => " + type, true); - symt.put(id, type); - - return null; - - } - - /** - * f0 -> "class" - * f1 -> Identifier() - * f2 -> "{" - * f3 -> ( VarDeclaration() )* - * f4 -> ( MethodDeclaration() )* - * f5 -> "}" - */ - public R visit(ClassDeclaration n, ArrayList<String> argu) { - - ArrayList<String> attr_list = new ArrayList<String>(); - ArrayList<String> mtd_list = new ArrayList<String>(); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - n.f3.accept(this, attr_list); - n.f4.accept(this, mtd_list); - n.f5.accept(this, argu); - - - PrintFilter.print("Processing class", true); - - String id = n.f1.f0.tokenImage; - - ClassInstance type = new ClassInstance(id); - type.set_attrs(attr_list); - type.set_mtds(mtd_list); - PrintFilter.print("Inserting " + id + " => " + type, true); - // Safe? - - symt.put(id, type); - - return null; - - } - - /** - * f0 -> "class" - * f1 -> Identifier() - * f2 -> "extends" - * f3 -> Identifier() - * f4 -> "{" - * f5 -> ( VarDeclaration() )* - * f6 -> ( MethodDeclaration() )* - * f7 -> "}" - */ - public R visit(ClassExtendsDeclaration n, ArrayList<String> argu) { - - ArrayList<String> attr_list = new ArrayList<String>(); - ArrayList<String> mtd_list = new ArrayList<String>(); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - n.f3.accept(this, argu); - n.f4.accept(this, argu); - n.f5.accept(this, attr_list); - n.f6.accept(this, mtd_list); - n.f7.accept(this, argu); - - - PrintFilter.print("Processing extension class", true); - - String id = n.f1.f0.tokenImage; - String ext = n.f3.f0.tokenImage; - - ClassInstance type = new ClassInstance(id, ext); - ClassInstance parent = (ClassInstance) symt.get(ext); - System.out.println("Parent addrs: " + parent.get_attrs()); - // type.set_attrs(attr_list.addAll(parent.get_attrs())); - // type.set_mtds(mtd_list.addAll(parent.get_mtds())); - PrintFilter.print("Inserting " + id + " => " + type, true); - - symt.put(id, type); - - return null; - } - - - /** - * f0 -> Type() - * f1 -> Identifier() - * f2 -> ";" - */ - public R visit(VarDeclaration n, ArrayList<String> argu) { - - PrintFilter.print("Processing declaration", true); - - String id = n.f1.f0.tokenImage; - TypeEnum rtrn = TypeEnum.ERROR; - switch (n.f0.f0.which) { - case 0: - rtrn = TypeEnum.intarray; break; - case 1: - rtrn = TypeEnum.bool; break; - case 2: - rtrn = TypeEnum.integer; break; - case 3: - rtrn = TypeEnum.classname; break; - default: - PrintFilter.print("Unsupported case", true); - } - - TypeInstance type = new TypeInstance(id, rtrn); - PrintFilter.print("Inserting " + type, true); - symt.put(id, type); - argu.add(id); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - return null; - } - - /** - * f0 -> "public" - * f1 -> Type() - * f2 -> Identifier() - * f3 -> "(" - * f4 -> ( FormalParameterList() )? - * f5 -> ")" - * f6 -> "{" - * f7 -> ( VarDeclaration() )* - * f8 -> ( Statement() )* - * f9 -> "return" - * f10 -> Expression() - * f11 -> ";" - * f12 -> "}" - */ - public R visit(MethodDeclaration n, ArrayList<String> argu) { - - ArrayList<String> argu_list = new ArrayList<String>(); - ArrayList<String> var_list = new ArrayList<String>(); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - n.f3.accept(this, argu); - n.f4.accept(this, argu_list); - n.f5.accept(this, argu); - n.f6.accept(this, argu); - n.f7.accept(this, var_list); - n.f8.accept(this, argu); - n.f9.accept(this, argu); - n.f10.accept(this, argu); - n.f11.accept(this, argu); - n.f12.accept(this, argu); - - - PrintFilter.print("Processing method", true); - - String id = n.f2.f0.tokenImage; - - TypeEnum rtrn = TypeEnum.ERROR; - switch (n.f1.f0.which) { - case 0: - rtrn = TypeEnum.intarray; break; - case 1: - rtrn = TypeEnum.bool; break; - case 2: - rtrn = TypeEnum.integer; break; - default: - PrintFilter.print("Unsupported case", true); - } - - MethodInstance type = new MethodInstance(id, rtrn); - // add children to current class - type.set_args(argu_list); - type.set_locals(var_list); - PrintFilter.print("Inserting " + type, true); - symt.put(id, type); - - // add method to parent class - argu.add(id); - - return null; - } - - /** - * f0 -> Type() - * f1 -> Identifier() - */ - public R visit(FormalParameter n, ArrayList<String> argu) { - // PrintFilter.print("Processing parameter", true); - - String id = n.f1.f0.tokenImage; - TypeEnum rtrn = TypeEnum.ERROR; - switch (n.f0.f0.which) { - case 0: - rtrn = TypeEnum.intarray; break; - case 1: - rtrn = TypeEnum.bool; break; - case 2: - rtrn = TypeEnum.integer; break; - default: - // PrintFilter.print("Unsupported case", true); - ; - } - - TypeInstance type = new TypeInstance(id, rtrn); - - // add type to parent class - argu.add(id); - - n.f0.accept(this, argu); - n.f1.accept(this, argu); - return null; - } - -} |