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mips without optimize

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colden
2025-12-12 20:14:00 +08:00
parent 84827838e2
commit c94bebf37b
130 changed files with 5462 additions and 4182 deletions
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146
frontend/ast/exp/AddExp.java Normal file → Executable file
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@@ -1,73 +1,73 @@
package frontend.ast.exp;
import frontend.ast.Node;
import frontend.ast.NodeStack;
import frontend.ast.SyntaxType;
import frontend.lexer.TokenStream;
import frontend.lexer.TokenType;
import frontend.ast.token.TokenNode;
import midend.symbol.SymbolManager;
import error.Errors;
public class AddExp extends Node {
public AddExp(TokenStream ts) {
super(SyntaxType.ADD_EXP, ts);
}
public void parse(Errors errors) {
NodeStack stack = new NodeStack();
while (true) {
MulExp mep = new MulExp(this.ts);
mep.parse(errors);
stack.push(mep);
if (isAddOp()) {
stack.push(new TokenNode(ts)); // addop
} else {
break;
}
}
if (stack.size() == 1) {
this.addChild((MulExp) stack.pop());
} else {
AddExp temp = this;
while (stack.size() > 1) {
AddExp ae = new AddExp(this.ts);
MulExp mep = (MulExp) stack.pop();
TokenNode op = (TokenNode) stack.pop();
temp.addChild(ae);
temp.addChild(op);
temp.addChild(mep);
temp = ae;
}
temp.addChild((MulExp) stack.pop());
}
}
public boolean isAddOp() {
TokenType t = getCurrToken().getType();
return t == TokenType.PLUS || t == TokenType.MINU;
}
public int getType() {
if (getChildren().size() == 1) {
return ((MulExp) getChild(0)).getType();
} else {
return ((AddExp) getChild(0)).getType()
| ((MulExp) getChild(2)).getType();
}
}
public int getValue() {
if (getChild(0) instanceof MulExp) {
return ((MulExp) getChild(0)).getValue();
} else {
int left = ((AddExp) getChild(0)).getValue();
int right = ((MulExp) getChild(2)).getValue();
if (((TokenNode) getChild(1)).getType() == TokenType.PLUS) {
return left + right;
} else {
return left - right;
}
}
}
}
package frontend.ast.exp;
import frontend.ast.Node;
import frontend.ast.NodeStack;
import frontend.ast.SyntaxType;
import frontend.lexer.TokenStream;
import frontend.lexer.TokenType;
import frontend.ast.token.TokenNode;
import midend.symbol.SymbolManager;
import error.Errors;
public class AddExp extends Node {
public AddExp(TokenStream ts) {
super(SyntaxType.ADD_EXP, ts);
}
public void parse(Errors errors) {
NodeStack stack = new NodeStack();
while (true) {
MulExp mep = new MulExp(this.ts);
mep.parse(errors);
stack.push(mep);
if (isAddOp()) {
stack.push(new TokenNode(ts)); // addop
} else {
break;
}
}
if (stack.size() == 1) {
this.addChild((MulExp) stack.pop());
} else {
AddExp temp = this;
while (stack.size() > 1) {
AddExp ae = new AddExp(this.ts);
MulExp mep = (MulExp) stack.pop();
TokenNode op = (TokenNode) stack.pop();
temp.addChild(ae);
temp.addChild(op);
temp.addChild(mep);
temp = ae;
}
temp.addChild((MulExp) stack.pop());
}
}
public boolean isAddOp() {
TokenType t = getCurrToken().getType();
return t == TokenType.PLUS || t == TokenType.MINU;
}
public int getType() {
if (getChildren().size() == 1) {
return ((MulExp) getChild(0)).getType();
} else {
return ((AddExp) getChild(0)).getType()
| ((MulExp) getChild(2)).getType();
}
}
public int getValue() {
if (getChild(0) instanceof MulExp) {
return ((MulExp) getChild(0)).getValue();
} else {
int left = ((AddExp) getChild(0)).getValue();
int right = ((MulExp) getChild(2)).getValue();
if (((TokenNode) getChild(1)).getType() == TokenType.PLUS) {
return left + right;
} else {
return left - right;
}
}
}
}