+++ /dev/null
-package IR;
-
-/**
- * Descriptor
- *
- * represents a symbol in the language (var name, function name, etc).
- */
-
-public class TypeDescriptor extends Descriptor {
- public static final int BYTE=1;
- public static final int SHORT=2;
- public static final int INT=3;
- public static final int LONG=4;
- public static final int CHAR=5;
- public static final int BOOLEAN=6;
- public static final int FLOAT=7;
- public static final int DOUBLE=8;
- public static final int VOID=9;
- public static final int NULL=10;
- public static final int TAG=11;
- public static final int CLASS=12;
-
-
- int arraycount;
- int type;
- ClassDescriptor class_desc;
-
- public boolean equals(Object o) {
- if (o instanceof TypeDescriptor) {
- TypeDescriptor t=(TypeDescriptor)o;
- if (t.type!=type)
- return false;
- if ((type==CLASS)&&(!t.getSymbol().equals(getSymbol())))
- return false;
- if (t.arraycount!=arraycount)
- return false;
- return true;
- }
- return false;
- }
-
- public boolean isString() {
- if (type!=CLASS)
- return false;
- if (arraycount>0)
- return false;
- if (!getSymbol().equals(TypeUtil.StringClass))
- return false;
- return true;
- }
-
- public int hashCode() {
- int hashcode=type^arraycount;
- if (type==CLASS)
- hashcode^=getSymbol().hashCode();
- return hashcode;
- }
-
- public TypeDescriptor makeArray(State state) {
- TypeDescriptor td=new TypeDescriptor(getSymbol());
- td.arraycount=arraycount+1;
- td.type=type;
- td.class_desc=class_desc;
- state.addArrayType(td);
- return td;
- }
-
- public boolean isArray() {
- return (arraycount>0);
- }
-
- public int getArrayCount() {
- return arraycount;
- }
-
- public TypeDescriptor dereference() {
- TypeDescriptor td=new TypeDescriptor(getSymbol());
- if (arraycount==0)
- throw new Error();
- td.arraycount=arraycount-1;
- td.type=type;
- td.class_desc=class_desc;
- return td;
- }
-
- public String getSafeSymbol() {
- if (isArray())
- return IR.Flat.BuildCode.arraytype;
- else if (isClass())
- return class_desc.getSafeSymbol();
- else if (isByte())
- return "char";
- else if (isChar())
- return "short";
- else if (isShort())
- return "short";
- else if (isInt())
- return "int";
- else if (isBoolean()) //Booleans are ints in C
- return "int";
- else if (isLong())
- return "long long";
- else if (isVoid())
- return "void";
- else if (isDouble())
- return "double";
- else if (isFloat())
- return "float";
- else throw new Error("Error Type: "+type);
- }
-
- public String getRepairSymbol() {
- if (isArray())
- return IR.Flat.BuildCode.arraytype;
- else if (isClass())
- return class_desc.getSymbol();
- else if (isByte())
- return "byte";
- else if (isChar())
- return "short";
- else if (isShort())
- return "short";
- else if (isInt())
- return "int";
- else if (isBoolean()) //Booleans are ints in C
- return "int";
- else if (isLong())
- return "long long";
- else if (isVoid())
- return "void";
- else if (isDouble())
- return "double";
- else if (isFloat())
- return "float";
- else throw new Error("Error Type: "+type);
- }
-
- public String getSafeDescriptor() {
- //Can't safely use [ in C
- if (isArray())
- return "_AR_"+this.dereference().getSafeDescriptor();
- else if (isClass())
- return class_desc.getSafeDescriptor();
- else if (isByte())
- return "B";
- else if (isChar())
- return "C";
- else if (isShort())
- return "S";
- else if (isBoolean())
- return "Z";
- else if (isInt())
- return "I";
- else if (isLong())
- return "J";
- else if (isDouble())
- return "D";
- else if (isFloat())
- return "F";
- else if (isTag())
- return "T";
- else throw new Error();
- }
-
- public boolean isNumber() {
- return (isIntegerType()||isFloat()||isDouble());
- }
-
- public boolean isByte() {
- return type==BYTE;
- }
- public boolean isNull() {
- return type==NULL;
- }
- public boolean isShort() {
- return type==SHORT;
- }
- public boolean isInt() {
- return type==INT;
- }
- public boolean isLong() {
- return type==LONG;
- }
- public boolean isChar() {
- return type==CHAR;
- }
- public boolean isBoolean() {
- return type==BOOLEAN;
- }
- public boolean isFloat() {
- return type==FLOAT;
- }
- public boolean isDouble() {
- return type==DOUBLE;
- }
- public boolean isVoid() {
- return type==VOID;
- }
-
- public boolean isPtr() {
- return (isClass()||isNull()||isTag()||isArray());
- }
-
- public boolean isIntegerType() {
- return (isInt()||isLong()||isShort()||isChar()||isByte());
- }
-
- public void setClassDescriptor(ClassDescriptor cd) {
- class_desc=cd;
- }
-
- public boolean isPrimitive() {
- return ((type>=BYTE)&&(type<=DOUBLE));
- }
-
- public boolean isClass() {
- return type==CLASS;
- }
-
- public boolean isTag() {
- return type==TAG;
- }
-
- public TypeDescriptor(NameDescriptor name) {
- super(name.toString());
- this.type=CLASS;
- this.class_desc=null;
- this.arraycount=0;
- }
-
- public TypeDescriptor(String st) {
- super(st);
- this.type=CLASS;
- this.class_desc=null;
- this.arraycount=0;
- }
-
- public ClassDescriptor getClassDesc() {
- return class_desc;
- }
-
- public TypeDescriptor(ClassDescriptor cd) {
- super(cd.getSymbol());
- this.type=CLASS;
- this.class_desc=cd;
- this.arraycount=0;
- }
-
- public TypeDescriptor(int t) {
- super(decodeInt(t));
- this.type=t;
- this.arraycount=0;
- }
-
- public String toString() {
- if (type==CLASS) {
- return name;
- } else
- return decodeInt(type);
- }
-
- public String toPrettyString() {
- if (type==CLASS) {
- String str=name;
- for(int i=0; i<arraycount; i++)
- str+="[]";
- return str;
- } else
- return decodeInt(type);
- }
-
- private static String decodeInt(int type) {
- if (type==BYTE)
- return "byte";
- else if (type==BOOLEAN)
- return "boolean";
- else if (type==SHORT)
- return "short";
- else if (type==INT)
- return "int";
- else if (type==LONG)
- return "long";
- else if (type==CHAR)
- return "char";
- else if (type==FLOAT)
- return "float";
- else if (type==DOUBLE)
- return "double";
- else if (type==VOID)
- return "void";
- else if (type==NULL)
- return "null";
- else if (type==TAG)
- return TypeUtil.TagClass;
- else throw new Error();
- }
-}
projects / IRC.git / blobdiff