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compound assignments implemented (+= , -=, *=, /=) #47

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Merged
mcngit merged 2 commits into from
May 31, 2025
Merged

compound assignments implemented (+= , -=, *=, /=) #47

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1f7dec4
compound assignments are implemented for primitives, arrays and user-…
yasinxdxd May 28, 2025
fe69cbf
Merge branch 'main' of github.com:tile-lang/tile into dev/yasin
yasinxdxd May 28, 2025
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140 changes: 126 additions & 14 deletions src/tile/ast/stmt/VariableAssignment.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,8 +35,16 @@ public String getType() {
return typeInfo.var_type;
}

@Override
public String generateTasm(String generatedCode) {
private String genLoadCode(String generatedCode) {
if (isGlobal) {
generatedCode += " gload " + tasmIdx + "\n";
} else {
generatedCode += " load " + tasmIdx + "\n";
}
return generatedCode;
}

private String generateTasmAssign(String generatedCode) {
if (exprStmt != null)
generatedCode = ((ExpressionStmt)exprStmt).generateTasm(generatedCode);

Expand All @@ -56,40 +64,144 @@ else if (typeInfo.var_type.equals("float") && typeInfo.expr_type.equals("int"))
}

if (typeInfo.info_array == null && typeInfo.info_object == null) {
generatedCode += " ";
if (isGlobal) {
generatedCode += "gstore " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
generatedCode += " gstore " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
} else {
generatedCode += "store " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
generatedCode += " store " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
}
} else if (typeInfo.info_object != null) {
} else if (typeInfo.info_object != null) {

String lastFieldId = typeInfo.info_object.fieldIds.getLast();
int type_size = typeInfo.info_object.fields.get(lastFieldId).type_size;
int offset = typeInfo.info_object.fields.get(lastFieldId).offset;

if (isGlobal) {
generatedCode += " gload " + tasmIdx + "\n";
} else {
generatedCode += " load " + tasmIdx + "\n";
}
// FIXME: fix here hset created for arrays
generatedCode = genLoadCode(generatedCode);
generatedCode += " push " + offset + "\n";
generatedCode += " push " + type_size + "\n";
generatedCode += " hsetof\n";
} else if (typeInfo.info_array != null) {
generatedCode = genLoadCode(generatedCode);
generatedCode = indicies.get(0).generateTasm(generatedCode);
generatedCode += " push " + typeInfo.info_array.element_size + "\n";
generatedCode += " hset\n";
}

return generatedCode;
}

private String generateTasmCompoundAssign(String generatedCode) {
String operationType = "";
if (typeInfo.info_array == null && typeInfo.info_object == null) {
generatedCode = genLoadCode(generatedCode);
operationType = typeInfo.var_type;
} else if (typeInfo.info_object != null) {

String lastFieldId = typeInfo.info_object.fieldIds.getLast();
int type_size = typeInfo.info_object.fields.get(lastFieldId).type_size;
int offset = typeInfo.info_object.fields.get(lastFieldId).offset;

generatedCode = genLoadCode(generatedCode);
generatedCode += " deref ; dereferance\n";
generatedCode += " push " + offset + "\n";
generatedCode += " add\n";
generatedCode += " derefb " + type_size + " ; dereferance\n";

operationType = typeInfo.info_object.fields.get(lastFieldId).type;

} else if (typeInfo.info_array != null) {
generatedCode = genLoadCode(generatedCode);
generatedCode += " deref ; dereferance\n";
generatedCode = indicies.get(0).generateTasm(generatedCode);
generatedCode += " push " + typeInfo.info_array.element_size + "\n";
generatedCode += " mult\n";
generatedCode += " add\n";
generatedCode += " derefb " + typeInfo.info_array.element_size + " ; dereferance\n";

// TODO: make here dynamic when implement multi-dim arrays!
operationType = TypeResolver.resolveArrayIndexAccessor(typeInfo.info_array.type, 1).type;
}

if (exprStmt != null)
generatedCode = ((ExpressionStmt)exprStmt).generateTasm(generatedCode);

if (typeInfo.auto_cast == true) {
if (typeInfo.var_type.equals("int") && typeInfo.expr_type.equals("float")) {
generatedCode += " ; auto cast float to int\n";
generatedCode += " ";
generatedCode += "cf2i\n";
typeInfo.result_type = "int";
}
else if (typeInfo.var_type.equals("float") && typeInfo.expr_type.equals("int")) {
generatedCode += " ; auto cast int to float\n";
generatedCode += " ";
generatedCode += "ci2f\n";
typeInfo.result_type = "float";
}
}

// compound assignments
if (assignmentOperator.equals("+=")) {
if (operationType.equals("int")) {
generatedCode += " add\n";
} else if (operationType.equals("float")) {
generatedCode += " addf\n";
}
} else if (assignmentOperator.equals("-=")) {
if (operationType.equals("int")) {
generatedCode += " sub\n";
} else if (operationType.equals("float")) {
generatedCode += " subf\n";
}
} else if (assignmentOperator.equals("*=")) {
if (operationType.equals("int")) {
generatedCode += " mult\n";
} else if (operationType.equals("float")) {
generatedCode += " multf\n";
}
} else if (assignmentOperator.equals("/=")) {
if (operationType.equals("int")) {
generatedCode += " div\n";
} else if (operationType.equals("float")) {
generatedCode += " divf\n";
}
}

if (typeInfo.info_array == null && typeInfo.info_object == null) {
if (isGlobal) {
generatedCode += " gload " + tasmIdx + "\n";
generatedCode += " gstore " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
} else {
generatedCode += " load " + tasmIdx + "\n";
generatedCode += " store " + tasmIdx + " ; " + typeInfo.var_type + " " + varId + "\n";
}
} else if (typeInfo.info_object != null) {

String lastFieldId = typeInfo.info_object.fieldIds.getLast();
int type_size = typeInfo.info_object.fields.get(lastFieldId).type_size;
int offset = typeInfo.info_object.fields.get(lastFieldId).offset;

generatedCode = genLoadCode(generatedCode);
generatedCode += " push " + offset + "\n";
generatedCode += " push " + type_size + "\n";
generatedCode += " hsetof\n";
} else if (typeInfo.info_array != null) {
generatedCode = genLoadCode(generatedCode);
generatedCode = indicies.get(0).generateTasm(generatedCode);
generatedCode += " push " + typeInfo.info_array.element_size + "\n";
generatedCode += " hset\n";
}

return generatedCode;
}

@Override
public String generateTasm(String generatedCode) {
if (assignmentOperator.equals("=")) {
generatedCode = generateTasmAssign(generatedCode);
} else {
generatedCode = generateTasmCompoundAssign(generatedCode);
}

return generatedCode;
}

public String getVarId() {
return varId;
Expand Down