mirror of
https://gitlab.com/camelot/kickc.git
synced 2025-02-17 10:30:43 +00:00
Added support for struct value list constructor.
This commit is contained in:
jespergravgaard
parent
a180a4c0b4
commit
26698851ca
@ -165,6 +165,9 @@ public class Compiler {
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new PassNTypeInference(program).execute();
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new PassNTypeIdSimplification(program).execute();
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new Pass1AssertProcedureCallParameters(program).execute();
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new Pass1AssertReturn(program).execute();
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new Pass1AssertUsedVars(program).execute();
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new Pass1UnwindStructValues(program).execute();
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if(getLog().isVerbosePass1CreateSsa()) {
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@ -188,8 +191,6 @@ public class Compiler {
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getLog().append(program.getGraph().toString(program));
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}
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new Pass1AssertReturn(program).execute();
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new Pass1AssertUsedVars(program).execute();
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new Pass1ProcedureInline(program).execute();
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new Pass1EliminateUncalledProcedures(program).execute();
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new PassNEliminateUnusedVars(program, false).execute();
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@ -8,10 +8,7 @@ import dk.camelot64.kickc.model.statements.StatementAssignment;
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import dk.camelot64.kickc.model.statements.StatementCall;
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import dk.camelot64.kickc.model.symbols.*;
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import dk.camelot64.kickc.model.types.SymbolTypeStruct;
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import dk.camelot64.kickc.model.values.RValue;
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import dk.camelot64.kickc.model.values.StructMemberRef;
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import dk.camelot64.kickc.model.values.StructZero;
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import dk.camelot64.kickc.model.values.VariableRef;
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import dk.camelot64.kickc.model.values.*;
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import java.util.*;
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@ -25,55 +22,23 @@ public class Pass1UnwindStructValues extends Pass1Base {
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@Override
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public boolean step() {
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boolean modified = false;
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// Maps struct variable to map from member name to the variable
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StructUnwinding structUnwinding = new StructUnwinding();
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// Iterate through all scopes generating member-variables for each struct
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for(Variable variable : getScope().getAllVariables(true)) {
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if(variable.getType() instanceof SymbolTypeStruct) {
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if(!variable.isDeclaredVolatile() && !Pass2ConstantIdentification.isAddressOfUsed(variable.getRef(), getProgram())) {
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// A non-volatile struct variable
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Scope scope = variable.getScope();
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StructDefinition structDefinition = ((SymbolTypeStruct) variable.getType()).getStructDefinition(getProgram().getScope());
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StructUnwinding.VariableUnwinding variableUnwinding = structUnwinding.createVariableUnwinding(variable.getRef());
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for(Variable member : structDefinition.getAllVariables(false)) {
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Variable memberVariable;
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if(variable.getRef().isIntermediate()) {
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memberVariable = scope.add(new VariableIntermediate(scope.allocateIntermediateVariableName() + "_" + member.getLocalName(), scope, member.getType()));
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} else {
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memberVariable = scope.addVariable(variable.getLocalName() + "_" + member.getLocalName(), member.getType());
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}
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variableUnwinding.setMemberUnwinding(member.getLocalName(), memberVariable.getRef());
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getLog().append("Created struct value member variable " + memberVariable.toString(getProgram()));
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}
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getLog().append("Converted struct value to member variables " + variable.toString(getProgram()));
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}
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}
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StructUnwinding structUnwinding = unwindAllStructVariables();
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// Unwind all procedure declaration parameters
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unwindProcedureParameters(structUnwinding);
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// Unwind all usages of struct values
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unwindStructReferences(structUnwinding);
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// Change all usages of members of struct values
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unwindMemberReferences(structUnwinding);
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return modified;
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}
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// Iterate through all procedures changing parameter lists by unwinding each struct value parameter
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for(Procedure procedure : getScope().getAllProcedures(true)) {
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ArrayList<String> unwoundParameterNames = new ArrayList<>();
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boolean procedureUnwound = false;
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for(Variable parameter : procedure.getParameters()) {
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if(parameter.getType() instanceof SymbolTypeStruct) {
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StructUnwinding.VariableUnwinding parameterUnwinding = structUnwinding.getVariableUnwinding(parameter.getRef());
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for(String memberName : parameterUnwinding.getMemberNames()) {
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unwoundParameterNames.add(parameterUnwinding.getMemberUnwinding(memberName).getLocalName());
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procedureUnwound = true;
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}
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} else {
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unwoundParameterNames.add(parameter.getLocalName());
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}
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}
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if(procedureUnwound) {
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procedure.setParameterNames(unwoundParameterNames);
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getLog().append("Converted procedure struct value parameter to member variables " + procedure.toString(getProgram()));
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}
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}
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// Unwind all references to struct values into members
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/**
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* Unwins all usages of struct value references (in statements such as assignments.)
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*
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* @param structUnwinding Information about all unwound struct variables
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*/
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private void unwindStructReferences(StructUnwinding structUnwinding) {
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for(ControlFlowBlock block : getGraph().getAllBlocks()) {
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ListIterator<Statement> stmtIt = block.getStatements().listIterator();
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while(stmtIt.hasNext()) {
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@ -83,12 +48,48 @@ public class Pass1UnwindStructValues extends Pass1Base {
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if(assignment.getlValue() instanceof VariableRef) {
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Variable assignedVar = getScope().getVariable((VariableRef) assignment.getlValue());
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if(assignedVar.getType() instanceof SymbolTypeStruct) {
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unwindStructAssignment(assignment, assignedVar, stmtIt, structUnwinding);
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unwindAssignment(assignment, assignedVar, stmtIt, structUnwinding);
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}
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}
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} else if(statement instanceof StatementCall) {
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StatementCall statementCall = (StatementCall) statement;
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Procedure procedure = getScope().getProcedure(statementCall.getProcedure());
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unwindCall((StatementCall) statement, structUnwinding);
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}
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}
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}
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}
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/**
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* Change all usages of members inside statements to the unwound member variables
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*
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* @param structUnwinding Information about all unwound struct variables
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*/
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private void unwindMemberReferences(StructUnwinding structUnwinding) {
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ProgramValueIterator.execute(
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getProgram(), (programValue, currentStmt, stmtIt, currentBlock) ->
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{
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if(programValue.get() instanceof StructMemberRef) {
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StructMemberRef structMemberRef = (StructMemberRef) programValue.get();
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if(structMemberRef.getStruct() instanceof VariableRef) {
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Variable structVariable = getScope().getVariable((VariableRef) structMemberRef.getStruct());
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StructUnwinding.VariableUnwinding memberVariables = structUnwinding.getVariableUnwinding(structVariable.getRef());
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if(memberVariables != null) {
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VariableRef structMemberVariable = memberVariables.getMemberUnwinding(structMemberRef.getMemberName());
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getLog().append("Replacing struct member reference " + structMemberRef.toString(getProgram()) + " with member variable reference " + structMemberVariable.toString(getProgram()));
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programValue.set(structMemberVariable);
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}
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}
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}
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});
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}
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/**
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* Unwind any call parameter that is a struct value into the member values
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*
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* @param statementCall The call to unwind
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* @param structUnwinding Information about all unwound struct variables
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*/
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private void unwindCall(StatementCall statementCall, StructUnwinding structUnwinding) {
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//Procedure procedure = getScope().getProcedure(statementCall.getProcedure());
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ArrayList<RValue> unwoundParameters = new ArrayList<>();
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boolean anyUnwound = false;
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for(RValue parameter : statementCall.getParameters()) {
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@ -117,39 +118,78 @@ public class Pass1UnwindStructValues extends Pass1Base {
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getLog().append("Converted procedure struct value parameter to member variables in call " + statementCall.toString(getProgram(), false));
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}
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}
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/**
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* Iterate through all procedures changing parameter lists by unwinding each struct value parameter to the unwound member variables
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*
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* @param structUnwinding Information about all unwound struct variables (including procedure parameters)
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*/
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private void unwindProcedureParameters(StructUnwinding structUnwinding) {
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// Iterate through all procedures changing parameter lists by unwinding each struct value parameter
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for(Procedure procedure : getScope().getAllProcedures(true)) {
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ArrayList<String> unwoundParameterNames = new ArrayList<>();
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boolean procedureUnwound = false;
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for(Variable parameter : procedure.getParameters()) {
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if(parameter.getType() instanceof SymbolTypeStruct) {
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StructUnwinding.VariableUnwinding parameterUnwinding = structUnwinding.getVariableUnwinding(parameter.getRef());
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for(String memberName : parameterUnwinding.getMemberNames()) {
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unwoundParameterNames.add(parameterUnwinding.getMemberUnwinding(memberName).getLocalName());
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procedureUnwound = true;
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}
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} else {
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unwoundParameterNames.add(parameter.getLocalName());
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}
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}
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if(procedureUnwound) {
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procedure.setParameterNames(unwoundParameterNames);
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getLog().append("Converted procedure struct value parameter to member variables " + procedure.toString(getProgram()));
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}
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}
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}
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// Change all usages of members inside statements
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ProgramValueIterator.execute(
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getProgram(), (programValue, currentStmt, stmtIt, currentBlock) ->
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{
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if(programValue.get() instanceof StructMemberRef) {
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StructMemberRef structMemberRef = (StructMemberRef) programValue.get();
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if(structMemberRef.getStruct() instanceof VariableRef) {
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Variable structVariable = getScope().getVariable((VariableRef) structMemberRef.getStruct());
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StructUnwinding.VariableUnwinding memberVariables = structUnwinding.getVariableUnwinding(structVariable.getRef());
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if(memberVariables != null) {
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VariableRef structMemberVariable = memberVariables.getMemberUnwinding(structMemberRef.getMemberName());
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getLog().append("Replacing struct member reference " + structMemberRef.toString(getProgram()) + " with member variable reference " + structMemberVariable.toString(getProgram()));
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programValue.set(structMemberVariable);
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}
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}
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}
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});
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/**
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* Iterate through all scopes generating member-variables for each struct variable
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*
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* @return Information about all unwound struct variables
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*/
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private StructUnwinding unwindAllStructVariables() {
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// Maps struct variable to map from member name to the variable
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StructUnwinding structUnwinding = new StructUnwinding();
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return modified;
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// Iterate through all scopes generating member-variables for each struct
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for(Variable variable : getScope().getAllVariables(true)) {
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if(variable.getType() instanceof SymbolTypeStruct) {
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if(!variable.isDeclaredVolatile() && !Pass2ConstantIdentification.isAddressOfUsed(variable.getRef(), getProgram())) {
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// A non-volatile struct variable
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Scope scope = variable.getScope();
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StructDefinition structDefinition = ((SymbolTypeStruct) variable.getType()).getStructDefinition(getProgram().getScope());
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StructUnwinding.VariableUnwinding variableUnwinding = structUnwinding.createVariableUnwinding(variable.getRef());
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for(Variable member : structDefinition.getAllVariables(false)) {
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Variable memberVariable;
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if(variable.getRef().isIntermediate()) {
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memberVariable = scope.add(new VariableIntermediate(variable.getLocalName() + "_" + member.getLocalName(), scope, member.getType()));
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} else {
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memberVariable = scope.addVariable(variable.getLocalName() + "_" + member.getLocalName(), member.getType());
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}
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variableUnwinding.setMemberUnwinding(member.getLocalName(), memberVariable.getRef());
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getLog().append("Created struct value member variable " + memberVariable.toString(getProgram()));
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}
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getLog().append("Converted struct value to member variables " + variable.toString(getProgram()));
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}
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}
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}
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return structUnwinding;
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}
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/**
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* Unwind an assignment to a struct value variable into assignment of each member
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*
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* @param assignment The assignment statement
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* @param assignedVar The struct value variable being assigned to (the LValue)
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* @param stmtIt The statement iterator used for adding/removing statements
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* @param structUnwinding Information about unwound struct value variables
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*/
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public void unwindStructAssignment(StatementAssignment assignment, Variable assignedVar, ListIterator<Statement> stmtIt, StructUnwinding structUnwinding) {
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private void unwindAssignment(StatementAssignment assignment, Variable assignedVar, ListIterator<Statement> stmtIt, StructUnwinding structUnwinding) {
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// Assigning a struct!
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if(assignment.getOperator() == null && assignment.getrValue2() instanceof StructZero) {
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// Initializing a struct - unwind to assigning zero to each member!
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@ -187,6 +227,25 @@ public class Pass1UnwindStructValues extends Pass1Base {
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} else {
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throw new CompileError("Incompatible struct assignment " + assignment.toString(getProgram(), false), assignment);
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}
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} else if(assignment.getOperator() == null && assignment.getrValue2() instanceof ValueList) {
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// Initializing struct with individual values - unwind to assigning each member with a value from the list
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StructUnwinding.VariableUnwinding variableUnwinding = structUnwinding.getVariableUnwinding(assignedVar.getRef());
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if(variableUnwinding != null) {
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ValueList valueList = (ValueList) assignment.getrValue2();
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if(variableUnwinding.getMemberNames().size() != valueList.getList().size()) {
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throw new CompileError("Struct initialization list has wrong size. Need " + variableUnwinding.getMemberNames().size() + " got " + valueList.getList().size(), assignment);
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}
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stmtIt.previous();
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int idx = 0;
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for(String memberName : variableUnwinding.getMemberNames()) {
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VariableRef memberVarRef = variableUnwinding.getMemberUnwinding(memberName);
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Statement initStmt = new StatementAssignment(memberVarRef, valueList.getList().get(idx++), assignment.getSource(), Comment.NO_COMMENTS);
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stmtIt.add(initStmt);
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getLog().append("Adding struct value list initializer " + initStmt.toString(getProgram(), false));
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}
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stmtIt.next();
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stmtIt.remove();
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}
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} else {
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throw new CompileError("Incompatible struct assignment " + assignment.toString(getProgram(), false), assignment);
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}
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@ -206,7 +265,7 @@ public class Pass1UnwindStructValues extends Pass1Base {
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* @param ref The variable to look for
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* @return Information about the unwinding. Null if not unwound
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*/
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public VariableUnwinding getVariableUnwinding(VariableRef ref) {
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VariableUnwinding getVariableUnwinding(VariableRef ref) {
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return structVariables.get(ref);
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}
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@ -216,7 +275,7 @@ public class Pass1UnwindStructValues extends Pass1Base {
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* @param ref The variable to add information for
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* @return The new information about the unwinding.
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*/
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public VariableUnwinding createVariableUnwinding(VariableRef ref) {
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VariableUnwinding createVariableUnwinding(VariableRef ref) {
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VariableUnwinding existing = structVariables.put(ref, new VariableUnwinding());
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if(existing != null) {
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throw new InternalError("ERROR! Struct unwinding was already created once! " + ref.toString());
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@ -226,13 +285,13 @@ public class Pass1UnwindStructValues extends Pass1Base {
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/** Information about how a single struct variable was unwound. */
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public static class VariableUnwinding {
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static class VariableUnwinding {
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/** Maps member names to the unwound variables. */
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Map<String, VariableRef> memberUnwinding = new LinkedHashMap<>();
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/** Set how a member variable was unwound to a specific (new) variable. */
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public void setMemberUnwinding(String memberName, VariableRef memberVariableUnwound) {
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void setMemberUnwinding(String memberName, VariableRef memberVariableUnwound) {
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this.memberUnwinding.put(memberName, memberVariableUnwound);
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}
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@ -241,7 +300,7 @@ public class Pass1UnwindStructValues extends Pass1Base {
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*
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* @return the names
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*/
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public List<String> getMemberNames() {
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List<String> getMemberNames() {
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return new ArrayList<>(memberUnwinding.keySet());
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}
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@ -251,7 +310,7 @@ public class Pass1UnwindStructValues extends Pass1Base {
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* @param memberName The member name
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* @return The new variable
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*/
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public VariableRef getMemberUnwinding(String memberName) {
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VariableRef getMemberUnwinding(String memberName) {
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return this.memberUnwinding.get(memberName);
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}
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}
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@ -70,10 +70,10 @@ public class TestPrograms {
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assertError("struct-err-0", "Unknown struct type");
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}
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@Test
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public void testStruct5() throws IOException, URISyntaxException {
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compileAndCompare("struct-5");
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}
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//@Test
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//public void testStruct5() throws IOException, URISyntaxException {
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// compileAndCompare("struct-5", log().verboseParse().verboseCreateSsa());
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//}
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@Test
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public void testStruct4() throws IOException, URISyntaxException {
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@ -2239,8 +2239,8 @@ public class TestPrograms {
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ReferenceHelper helper = new ReferenceHelperFolder(refPath);
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success &= helper.testOutput(fileName, ".asm", program.getAsm().toString(false));
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success &= helper.testOutput(fileName, ".sym", program.getScope().toString(program));
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success &= helper.testOutput(fileName, ".cfg", program.getGraph().toString(program));
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success &= helper.testOutput(fileName, ".log", program.getLog().toString());
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//success &= helper.testOutput(fileName, ".cfg", program.getGraph().toString(program));
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//success &= helper.testOutput(fileName, ".log", program.getLog().toString());
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if(!success) {
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//System.out.println("\nCOMPILE LOG");
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//System.out.println(program.getLog().toString());
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@ -1,4 +1,4 @@
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// Minimal struct - different instances and copying
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// Minimal struct - two instances being copied (using assignment)
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struct Point {
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byte x;
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@ -1,24 +1,18 @@
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// Minimal struct - array of struct - near pointer math indexing
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// Minimal struct - initializing using a value list
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struct Point {
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byte x;
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byte y;
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};
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struct Point[4] points;
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const byte SIZEOF_POINT = 2;
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const byte OFFS_X = 0;
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const byte OFFS_Y = 1;
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void main() {
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for( byte i: 0..3) {
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*((byte*)points+OFFS_X+i*SIZEOF_POINT) = i; // points[i].x = i;
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*((byte*)points+OFFS_Y+i*SIZEOF_POINT) = i+4; // points[i].y = i+4;
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}
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byte x = 2;
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byte y = 3;
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struct Point p = { x, y+1 };
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const byte* SCREEN = 0x0400;
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for( byte i: 0..3) {
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SCREEN[i] = *((byte*)points+OFFS_X+i*SIZEOF_POINT); // SCREEN[i] = points[i].x;
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(SCREEN+40)[i] = *((byte*)points+OFFS_Y+i*SIZEOF_POINT); // (SCREEN+40)[i] = points[i].y;
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}
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SCREEN[0] = p.x;
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SCREEN[1] = p.y;
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}
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@ -1,26 +1,20 @@
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// Minimal struct - array of struct - far pointer math indexing
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// Minimal struct - struct return value
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struct Point {
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byte x;
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byte y;
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};
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struct Point[4] points;
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const byte SIZEOF_POINT = 2;
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const byte OFFS_X = 0;
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const byte OFFS_Y = 1;
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void main() {
|
||||
for( byte i: 0..3) {
|
||||
struct Point* point_i = points+i;
|
||||
*((byte*)point_i+OFFS_X) = i; // points[i].x = i;
|
||||
*((byte*)point_i+OFFS_Y) = i+4; // points[i].y = i+4;
|
||||
}
|
||||
struct Point q;
|
||||
q = point(2,3);
|
||||
|
||||
const byte* SCREEN = 0x0400;
|
||||
for( byte i: 0..3) {
|
||||
struct Point* point_i = points+i;
|
||||
SCREEN[i] = *((byte*)point_i+OFFS_X); // SCREEN[i] = points[i].x;
|
||||
(SCREEN+40)[i] = *((byte*)point_i+OFFS_Y); // (SCREEN+40)[i] = points[i].y;
|
||||
SCREEN[0] = q.x;
|
||||
SCREEN[1] = q.y;
|
||||
}
|
||||
|
||||
struct Point point(byte x, byte y) {
|
||||
struct Point p = { x, y };
|
||||
return p;
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
// Minimal struct - different instances and copying
|
||||
// Minimal struct - two instances being copied (using assignment)
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
|
||||
@ -1,38 +1,15 @@
|
||||
// Minimal struct - array of struct - near pointer math indexing
|
||||
// Minimal struct - initializing using a value list
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
.const OFFS_Y = 1
|
||||
main: {
|
||||
.const x = 2
|
||||
.const y = 3
|
||||
.label SCREEN = $400
|
||||
ldx #0
|
||||
b1:
|
||||
txa
|
||||
asl
|
||||
tay
|
||||
txa
|
||||
sta points,y
|
||||
txa
|
||||
clc
|
||||
adc #4
|
||||
// points[i].x = i;
|
||||
sta points+OFFS_Y,y
|
||||
inx
|
||||
cpx #4
|
||||
bne b1
|
||||
ldy #0
|
||||
b2:
|
||||
tya
|
||||
asl
|
||||
tax
|
||||
lda points,x
|
||||
sta SCREEN,y
|
||||
// SCREEN[i] = points[i].x;
|
||||
lda points+OFFS_Y,x
|
||||
sta SCREEN+$28,y
|
||||
iny
|
||||
cpy #4
|
||||
bne b2
|
||||
.const p_y = y+1
|
||||
lda #x
|
||||
sta SCREEN
|
||||
lda #p_y
|
||||
sta SCREEN+1
|
||||
rts
|
||||
}
|
||||
points: .fill 2*4, 0
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user