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-rw-r--r--st/SymTableBottomUp.java238
1 files changed, 0 insertions, 238 deletions
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<R> extends GJDepthFirst<R,SymbolTable> {
-
- /**
- * 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;
- }
-
-}