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https://github.com/mozilla/gecko-dev.git
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Basic string literal & value support
This commit is contained in:
rogerl%netscape.com
parent
7a2b37e397
commit
7030042c20
@ -146,6 +146,14 @@ namespace ICG {
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return dest;
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}
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Register ICodeGenerator::loadString(String &value)
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{
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Register dest = getRegister();
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LoadString *instr = new LoadString(dest, &value);
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iCode->push_back(instr);
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return dest;
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}
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Register ICodeGenerator::newObject()
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{
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Register dest = getRegister();
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@ -196,6 +196,7 @@ namespace ICG {
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Register compare(ICodeOp op, Register source1, Register source2);
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Register loadImmediate(double value);
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Register loadString(String &value);
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Register newObject();
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Register newArray();
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@ -72,6 +72,9 @@ Formatter& operator<<(Formatter& f, const JSValue& value)
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case JSValue::function_tag:
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printFormat(stdOut, "0x%08X", value.object);
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break;
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case JSValue::string_tag:
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f << *value.string;
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break;
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default:
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f << "undefined";
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break;
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@ -43,6 +43,7 @@
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/* forward declare classes from JavaScript::ICG */
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namespace JavaScript {
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class StringAtom;
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namespace ICG {
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class ICodeModule;
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} /* namespace ICG */
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@ -74,6 +75,7 @@ namespace JSTypes {
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JSObject* object;
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JSArray* array;
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JSFunction *function;
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String *string;
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};
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enum {
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@ -82,7 +84,7 @@ namespace JSTypes {
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i32_tag, u32_tag,
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i64_tag, u64_tag,
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f32_tag, f64_tag,
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object_tag, array_tag, function_tag,
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object_tag, array_tag, function_tag, string_tag,
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undefined_tag
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} tag;
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@ -92,12 +94,14 @@ namespace JSTypes {
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explicit JSValue(JSObject* object) : object(object), tag(object_tag) {}
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explicit JSValue(JSArray* array) : array(array), tag(array_tag) {}
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explicit JSValue(JSFunction* function) : function(function), tag(function_tag) {}
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explicit JSValue(String* string) : string(string), tag(string_tag) {}
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int32& operator=(int32 i32) { return (tag = i32_tag, this->i32 = i32); }
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float64& operator=(float64 f64) { return (tag = f64_tag, this->f64 = f64); }
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JSObject*& operator=(JSObject* object) { return (tag = object_tag, this->object = object); }
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JSArray*& operator=(JSArray* array) { return (tag = array_tag, this->array = array); }
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JSFunction*& operator=(JSFunction* function) { return (tag = function_tag, this->function = function); }
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const String*& operator=(String* string) { return (tag = string_tag, this->string = string); }
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int operator==(const JSValue& value) const;
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};
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@ -70,6 +70,7 @@ namespace VM {
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JSR, /* target */
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LOAD_IMMEDIATE, /* dest, immediate value (double) */
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LOAD_NAME, /* dest, name */
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LOAD_STRING, /* dest, immediate value (string) */
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MOVE, /* dest, source */
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MULTIPLY, /* dest, source1, source2 */
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NEGATE, /* dest, source */
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@ -129,6 +130,7 @@ namespace VM {
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"JSR ",
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"LOAD_IMMEDIATE",
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"LOAD_NAME ",
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"LOAD_STRING ",
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"MOVE ",
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"MULTIPLY ",
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"NEGATE ",
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@ -635,6 +637,22 @@ namespace VM {
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}
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};
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class LoadString : public Instruction_2<Register, String *> {
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public:
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/* dest, immediate value (string) */
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LoadString (Register aOp1, String *aOp2) :
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Instruction_2<Register, String *>
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(LOAD_STRING, aOp1, aOp2) {};
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virtual Formatter& print(Formatter& f) {
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f << opcodeNames[LOAD_STRING] << "\t" << "R" << mOp1 << ", " << "'" << *mOp2 << "'";
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return f;
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}
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virtual Formatter& printOperands(Formatter& f, const JSValues& registers) {
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f << "R" << mOp1 << '=' << registers[mOp1];
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return f;
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}
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};
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class Move : public Instruction_2<Register, Register> {
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public:
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/* dest, source */
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@ -146,6 +146,14 @@ namespace ICG {
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return dest;
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}
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Register ICodeGenerator::loadString(String &value)
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{
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Register dest = getRegister();
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LoadString *instr = new LoadString(dest, &value);
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iCode->push_back(instr);
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return dest;
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}
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Register ICodeGenerator::newObject()
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{
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Register dest = getRegister();
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@ -196,6 +196,7 @@ namespace ICG {
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Register compare(ICodeOp op, Register source1, Register source2);
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Register loadImmediate(double value);
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Register loadString(String &value);
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Register newObject();
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Register newArray();
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@ -72,6 +72,9 @@ Formatter& operator<<(Formatter& f, const JSValue& value)
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case JSValue::function_tag:
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printFormat(stdOut, "0x%08X", value.object);
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break;
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case JSValue::string_tag:
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f << *value.string;
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break;
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default:
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f << "undefined";
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break;
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@ -43,6 +43,7 @@
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/* forward declare classes from JavaScript::ICG */
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namespace JavaScript {
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class StringAtom;
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namespace ICG {
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class ICodeModule;
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} /* namespace ICG */
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@ -74,6 +75,7 @@ namespace JSTypes {
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JSObject* object;
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JSArray* array;
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JSFunction *function;
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String *string;
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};
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enum {
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@ -82,7 +84,7 @@ namespace JSTypes {
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i32_tag, u32_tag,
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i64_tag, u64_tag,
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f32_tag, f64_tag,
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object_tag, array_tag, function_tag,
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object_tag, array_tag, function_tag, string_tag,
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undefined_tag
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} tag;
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@ -92,12 +94,14 @@ namespace JSTypes {
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explicit JSValue(JSObject* object) : object(object), tag(object_tag) {}
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explicit JSValue(JSArray* array) : array(array), tag(array_tag) {}
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explicit JSValue(JSFunction* function) : function(function), tag(function_tag) {}
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explicit JSValue(String* string) : string(string), tag(string_tag) {}
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int32& operator=(int32 i32) { return (tag = i32_tag, this->i32 = i32); }
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float64& operator=(float64 f64) { return (tag = f64_tag, this->f64 = f64); }
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JSObject*& operator=(JSObject* object) { return (tag = object_tag, this->object = object); }
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JSArray*& operator=(JSArray* array) { return (tag = array_tag, this->array = array); }
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JSFunction*& operator=(JSFunction* function) { return (tag = function_tag, this->function = function); }
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const String*& operator=(String* string) { return (tag = string_tag, this->string = string); }
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int operator==(const JSValue& value) const;
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};
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@ -70,6 +70,7 @@ namespace VM {
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JSR, /* target */
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LOAD_IMMEDIATE, /* dest, immediate value (double) */
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LOAD_NAME, /* dest, name */
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LOAD_STRING, /* dest, immediate value (string) */
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MOVE, /* dest, source */
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MULTIPLY, /* dest, source1, source2 */
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NEGATE, /* dest, source */
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@ -129,6 +130,7 @@ namespace VM {
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"JSR ",
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"LOAD_IMMEDIATE",
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"LOAD_NAME ",
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"LOAD_STRING ",
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"MOVE ",
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"MULTIPLY ",
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"NEGATE ",
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@ -635,6 +637,22 @@ namespace VM {
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}
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};
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class LoadString : public Instruction_2<Register, String *> {
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public:
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/* dest, immediate value (string) */
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LoadString (Register aOp1, String *aOp2) :
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Instruction_2<Register, String *>
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(LOAD_STRING, aOp1, aOp2) {};
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virtual Formatter& print(Formatter& f) {
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f << opcodeNames[LOAD_STRING] << "\t" << "R" << mOp1 << ", " << "'" << *mOp2 << "'";
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return f;
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}
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virtual Formatter& printOperands(Formatter& f, const JSValues& registers) {
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f << "R" << mOp1 << '=' << registers[mOp1];
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return f;
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}
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};
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class Move : public Instruction_2<Register, Register> {
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public:
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/* dest, source */
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