From c28a1cc9d206bdde41a621b018c01980b3c8a617 Mon Sep 17 00:00:00 2001 From: bd-912 Date: Thu, 25 Apr 2024 12:58:10 -0600 Subject: Rewrote Symbol Table to be more context aware and avoid collisions --- st/SymTableBottomUp.java | 238 ----------------------------------------------- 1 file changed, 238 deletions(-) delete mode 100644 st/SymTableBottomUp.java (limited to 'st/SymTableBottomUp.java') diff --git a/st/SymTableBottomUp.java b/st/SymTableBottomUp.java deleted file mode 100644 index 72a4575..0000000 --- a/st/SymTableBottomUp.java +++ /dev/null @@ -1,238 +0,0 @@ -package st; - -import syntaxtree.*; -import visitor.*; -import java.util.*; -import misc.*; - -/** - * Performs a bottom-up preliminary visit through the AST - * initializing all Instances and placing them in the passed ST - */ -public class SymTableBottomUp extends GJDepthFirst { - - /** - * 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, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - n.f2.accept(this, symt); - n.f3.accept(this, symt); - n.f4.accept(this, symt); - n.f5.accept(this, symt); - n.f6.accept(this, symt); - n.f7.accept(this, symt); - n.f8.accept(this, symt); - n.f9.accept(this, symt); - n.f10.accept(this, symt); - n.f11.accept(this, symt); - n.f12.accept(this, symt); - n.f13.accept(this, symt); - n.f14.accept(this, symt); - n.f15.accept(this, symt); - n.f16.accept(this, symt); - n.f17.accept(this, symt); - - - TokenKey id = new TokenKey(n.f1.f0.tokenImage, 0); - ClassInstance instance = new ClassInstance(id.getName()); - symt.put(id, instance); - - id = new TokenKey(n.f6.tokenImage, n.f6.beginLine); - MethodInstance main = new MethodInstance(id.getName(), TypeEnum.ERROR); - symt.put(id, main); - - - return null; - } - - /** - * f0 -> "class" - * f1 -> Identifier() - * f2 -> "{" - * f3 -> ( VarDeclaration() )* - * f4 -> ( MethodDeclaration() )* - * f5 -> "}" - */ - public R visit(ClassDeclaration n, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - n.f2.accept(this, symt); - n.f3.accept(this, symt); - n.f4.accept(this, symt); - n.f5.accept(this, symt); - - - TokenKey id = new TokenKey(n.f1.f0.tokenImage, 0); - ClassInstance instance = new ClassInstance(id.getName()); - symt.put(id, instance); - - - return null; - } - - /** - * f0 -> "class" - * f1 -> Identifier() - * f2 -> "extends" - * f3 -> Identifier() - * f4 -> "{" - * f5 -> ( VarDeclaration() )* - * f6 -> ( MethodDeclaration() )* - * f7 -> "}" - */ - public R visit(ClassExtendsDeclaration n, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - n.f2.accept(this, symt); - n.f3.accept(this, symt); - n.f4.accept(this, symt); - n.f5.accept(this, symt); - n.f6.accept(this, symt); - n.f7.accept(this, symt); - - - TokenKey id = new TokenKey(n.f1.f0.tokenImage, 0); - ClassInstance instance = new ClassInstance(id.getName()); - symt.put(id, instance); - - - return null; - } - - /** - * f0 -> Type() - * f1 -> Identifier() - * f2 -> ";" - */ - public R visit(VarDeclaration n, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - n.f2.accept(this, symt); - - TokenKey id = new TokenKey(n.f1.f0.tokenImage, n.f1.f0.beginLine); - 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: - MinimalLogger.severe("Unsupported case"); - } - - TypeInstance instance = new TypeInstance(id.getName(), rtrn); - symt.put(id, instance); - - - 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, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - n.f2.accept(this, symt); - n.f3.accept(this, symt); - n.f4.accept(this, symt); - n.f5.accept(this, symt); - n.f6.accept(this, symt); - n.f7.accept(this, symt); - n.f8.accept(this, symt); - n.f9.accept(this, symt); - n.f10.accept(this, symt); - n.f11.accept(this, symt); - n.f12.accept(this, symt); - - - - TokenKey id = new TokenKey(n.f2.f0.tokenImage, n.f2.f0.beginLine); - 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; - case 3: - rtrn = TypeEnum.classname; break; - default: - MinimalLogger.severe("Unsupported case"); - } - - MethodInstance instance = new MethodInstance(id.getName(), rtrn); - symt.put(id, instance); - - - return null; - } - - /** - * f0 -> Type() - * f1 -> Identifier() - */ - public R visit(FormalParameter n, SymbolTable symt) { - n.f0.accept(this, symt); - n.f1.accept(this, symt); - - - TokenKey id = new TokenKey(n.f1.f0.tokenImage, n.f1.f0.beginLine); - 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: - MinimalLogger.severe("Unsupported case"); - } - - TypeInstance instance = new TypeInstance(id.getName(), rtrn); - symt.put(id, instance); - - - return null; - } - -} -- cgit v1.2.3