diff options
Diffstat (limited to 'st')
| -rw-r--r-- | st/SymTableTopDown.java | 2 | ||||
| -rw-r--r-- | st/SymbolTable.java | 9 | ||||
| -rw-r--r-- | st/TypeInstance.java | 10 |
3 files changed, 21 insertions, 0 deletions
diff --git a/st/SymTableTopDown.java b/st/SymTableTopDown.java index 7258211..a4c641c 100644 --- a/st/SymTableTopDown.java +++ b/st/SymTableTopDown.java @@ -116,8 +116,10 @@ public class SymTableTopDown<R> extends GJDepthFirst<R,SymbolTable> { * f2 -> ";" */ public R visit(VarDeclaration n, SymbolTable symt) { + String cls = ((Identifier) n.f0.f0.choice).f0.tokenImage; String id = n.f1.f0.tokenImage; symt.addLocal(id); + symt.addClassInstance(id, cls); n.f0.accept(this, symt); diff --git a/st/SymbolTable.java b/st/SymbolTable.java index d0ea221..1c0af09 100644 --- a/st/SymbolTable.java +++ b/st/SymbolTable.java @@ -80,6 +80,15 @@ public class SymbolTable { mtd.addArgument(para); // also adds to local vars } + public void addClassInstance(String t, String c) { + TypeInstance type = this.getType(t); + ClassInstance cls = (c != null) ? + this.getClass(c) : + null; + + type.addClassInstance(cls); + } + /** * Methods to safely retrieve differentiable types diff --git a/st/TypeInstance.java b/st/TypeInstance.java index 302f9f0..596f638 100644 --- a/st/TypeInstance.java +++ b/st/TypeInstance.java @@ -2,10 +2,20 @@ package st; public class TypeInstance extends AbstractInstance { + ClassInstance cls; + public TypeInstance(String name, TypeEnum type) { super(name, type); } + public void addClassInstance(ClassInstance cls) { + this.cls = cls; + } + + public ClassInstance getClassInstance() { + return this.cls; + } + public boolean sameType(TypeInstance other) { /** * Given a TypeInstance object other, |