llvmir some opt

frontend/ast/func/FuncRParams.java

@@ -0,0 +1,57 @@
+package frontend.ast.func;
+
+import java.util.ArrayList;
+
+import frontend.ast.Node;
+import frontend.ast.SyntaxType;
+import frontend.lexer.TokenStream;
+import frontend.lexer.TokenType;
+import error.Errors;
+import error.Error;
+import error.ErrorType;
+import frontend.ast.token.TokenNode;
+import frontend.ast.exp.Exp;
+import midend.symbol.FuncSymbol;
+
+public class FuncRParams extends Node {
+    public FuncRParams(TokenStream ts) {
+        super(SyntaxType.FUNC_REAL_PARAM_S, ts);
+    }
+
+    public void parse(Errors errors) {
+        while (true) {
+            Exp ep = new Exp(ts);
+            ep.parse(errors);
+            addChild(ep);
+            if (getCurrToken().getType() == TokenType.COMMA) {
+                addChild(new TokenNode(ts)); // comma
+            } else {
+                break;
+            }
+        }
+    }
+
+    public int getParamNum() {
+        return (getChildren().size() + 1) / 2;
+    }
+
+    public void checkParamType(FuncSymbol funcSymbol, Errors errors, int line) {
+        int fparaNum = funcSymbol.getParamNum();
+        int rparaNum = getParamNum();
+        int size = rparaNum < fparaNum ? rparaNum : fparaNum;
+        for (int i = 0; i < size; i++) {
+            Exp exp = (Exp) getChild(i * 2);
+            if (exp.getType() != funcSymbol.getParamType(i)) {
+                errors.addError(new Error(line, ErrorType.e));
+            }
+        }
+    }
+
+    public ArrayList<Exp> getParamList() {
+        ArrayList<Exp> paramList = new ArrayList<Exp>();
+        for (int i = 0; i < getChildren().size(); i += 2) {
+            paramList.add((Exp) getChild(i));
+        }
+        return paramList;
+    }
+}