mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-08-01 17:29:45 +00:00
Added initial support for function declarations without a body. #196
This commit is contained in:
jespergravgaard
parent
433fcd3dd4
commit
db92daf4bf
@ -137,15 +137,23 @@ public class StatementSource implements Serializable {
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return new StatementSource(nodeStart, nodeStop);
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}
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public static StatementSource procedureEnd(KickCParser.DeclFunctionContext ctx) {
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ParseTree nodeStart = ctx.getChild(ctx.getChildCount() - 1);
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ParseTree nodeStop = ctx;
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public static StatementSource procedureDecl(KickCParser.DeclFunctionContext ctx) {
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ParseTree nodeStart = ctx;
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ParseTree nodeStop = ctx.getChild(ctx.getChildCount() - 2);
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return new StatementSource(nodeStart, nodeStop);
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}
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public static StatementSource procedureBegin(KickCParser.DeclFunctionContext ctx) {
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ParseTree nodeStart = ctx;
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ParseTree nodeStop = ctx.getChild(ctx.getChildCount() - 4);
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final KickCParser.DeclFunctionBodyContext bodyCtx = ctx.declFunctionBody();
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ParseTree nodeStart = bodyCtx;
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ParseTree nodeStop = bodyCtx.getChild(bodyCtx.getChildCount() - 4);
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return new StatementSource(nodeStart, nodeStop);
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}
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public static StatementSource procedureEnd(KickCParser.DeclFunctionContext ctx) {
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final KickCParser.DeclFunctionBodyContext bodyCtx = ctx.declFunctionBody();
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ParseTree nodeStart = bodyCtx.getChild(bodyCtx.getChildCount() - 1);
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ParseTree nodeStop = bodyCtx;
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return new StatementSource(nodeStart, nodeStop);
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}
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@ -629,7 +629,7 @@ public class Variable implements Symbol {
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Variable variable = (Variable) o;
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return kind == variable.kind &&
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Objects.equals(name, variable.name) &&
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Objects.equals(scope, variable.scope) &&
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Objects.equals(scope.getRef(), variable.scope.getRef()) &&
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Objects.equals(type, variable.type);
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}
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@ -3,6 +3,7 @@ package dk.camelot64.kickc.model.types;
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import dk.camelot64.kickc.model.CompileError;
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import dk.camelot64.kickc.model.ConstantNotLiteral;
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import dk.camelot64.kickc.model.statements.Statement;
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import dk.camelot64.kickc.model.symbols.Procedure;
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import dk.camelot64.kickc.model.symbols.ProgramScope;
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import dk.camelot64.kickc.model.values.ConstantInteger;
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import dk.camelot64.kickc.model.values.ConstantLiteral;
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@ -247,5 +248,21 @@ public class SymbolTypeConversion {
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return true;
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}
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/**
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* Checks that two procedure declarations are a proper match
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* @param first The first procedure declaration
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* @param second The first procedure declaration
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* @return true if they match types. False otherwise
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*/
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public static boolean procedureDeclarationMatch(Procedure first, Procedure second) {
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if(!first.getFullName().equals(second.getFullName()))
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return false;
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if(!first.getReturnType().equals(second.getReturnType()))
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return false;
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if(!first.getParameters().equals(second.getParameters()))
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return false;
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return true;
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}
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}
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@ -128,7 +128,11 @@ enumMember
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;
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declFunction
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: declType declPointer* NAME PAR_BEGIN parameterListDecl? PAR_END CURLY_BEGIN stmtSeq? CURLY_END
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: declType declPointer* NAME PAR_BEGIN parameterListDecl? PAR_END (declFunctionBody | ';' )
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;
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declFunctionBody
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: CURLY_BEGIN stmtSeq? CURLY_END
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;
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parameterListDecl
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File diff suppressed because one or more lines are too long
File diff suppressed because it is too large
Load Diff
@ -445,6 +445,18 @@ public class KickCParserBaseListener implements KickCParserListener {
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* <p>The default implementation does nothing.</p>
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*/
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@Override public void exitDeclFunction(KickCParser.DeclFunctionContext ctx) { }
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/**
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* {@inheritDoc}
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*
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* <p>The default implementation does nothing.</p>
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*/
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@Override public void enterDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx) { }
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/**
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* {@inheritDoc}
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*
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* <p>The default implementation does nothing.</p>
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*/
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@Override public void exitDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx) { }
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/**
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* {@inheritDoc}
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*
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@ -265,6 +265,13 @@ public class KickCParserBaseVisitor<T> extends AbstractParseTreeVisitor<T> imple
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* {@link #visitChildren} on {@code ctx}.</p>
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*/
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@Override public T visitDeclFunction(KickCParser.DeclFunctionContext ctx) { return visitChildren(ctx); }
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/**
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* {@inheritDoc}
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*
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* <p>The default implementation returns the result of calling
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* {@link #visitChildren} on {@code ctx}.</p>
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*/
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@Override public T visitDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx) { return visitChildren(ctx); }
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/**
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* {@inheritDoc}
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*
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@ -403,6 +403,16 @@ public interface KickCParserListener extends ParseTreeListener {
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* @param ctx the parse tree
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*/
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void exitDeclFunction(KickCParser.DeclFunctionContext ctx);
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/**
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* Enter a parse tree produced by {@link KickCParser#declFunctionBody}.
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* @param ctx the parse tree
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*/
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void enterDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx);
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/**
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* Exit a parse tree produced by {@link KickCParser#declFunctionBody}.
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* @param ctx the parse tree
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*/
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void exitDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx);
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/**
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* Enter a parse tree produced by {@link KickCParser#parameterListDecl}.
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* @param ctx the parse tree
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@ -245,6 +245,12 @@ public interface KickCParserVisitor<T> extends ParseTreeVisitor<T> {
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* @return the visitor result
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*/
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T visitDeclFunction(KickCParser.DeclFunctionContext ctx);
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/**
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* Visit a parse tree produced by {@link KickCParser#declFunctionBody}.
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* @param ctx the parse tree
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* @return the visitor result
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*/
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T visitDeclFunctionBody(KickCParser.DeclFunctionBodyContext ctx);
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/**
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* Visit a parse tree produced by {@link KickCParser#parameterListDecl}.
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* @param ctx the parse tree
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@ -9,6 +9,7 @@ import dk.camelot64.kickc.model.operators.*;
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import dk.camelot64.kickc.model.statements.*;
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import dk.camelot64.kickc.model.symbols.*;
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import dk.camelot64.kickc.model.types.SymbolType;
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import dk.camelot64.kickc.model.types.SymbolTypeConversion;
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import dk.camelot64.kickc.model.types.SymbolTypePointer;
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import dk.camelot64.kickc.model.types.SymbolTypeProcedure;
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import dk.camelot64.kickc.model.values.*;
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@ -17,10 +18,8 @@ import dk.camelot64.kickc.parser.KickCParser;
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import dk.camelot64.kickc.parser.KickCParserBaseVisitor;
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import dk.camelot64.kickc.passes.utils.SizeOfConstants;
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import org.antlr.v4.runtime.BufferedTokenStream;
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import org.antlr.v4.runtime.CharStream;
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import org.antlr.v4.runtime.ParserRuleContext;
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import org.antlr.v4.runtime.Token;
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import org.antlr.v4.runtime.misc.Interval;
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import org.antlr.v4.runtime.tree.ParseTree;
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import org.antlr.v4.runtime.tree.TerminalNode;
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@ -224,12 +223,12 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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SymbolType type = varDecl.getEffectiveType();
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List<Directive> directives = varDecl.getEffectiveDirectives();
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String name = ctx.NAME().getText();
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Procedure procedure = getCurrentScope().addProcedure(name, type, currentCodeSegment, currentDataSegment, currentCallingConvention);
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addDirectives(procedure, directives, StatementSource.procedureBegin(ctx));
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Procedure procedure = new Procedure(name, type, program.getScope(), currentCodeSegment, currentDataSegment, currentCallingConvention);
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addDirectives(procedure, directives, StatementSource.procedureDecl(ctx));
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procedure.setComments(ensureUnusedComments(getCommentsSymbol(ctx)));
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varDecl.exitType();
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scopeStack.push(procedure);
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Label procExit = procedure.addLabel(SymbolRef.PROCEXIT_BLOCK_NAME);
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Variable returnVar = null;
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if(!SymbolType.VOID.equals(type)) {
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returnVar = procedure.add(Variable.createPhiMaster("return", type, procedure, defaultMemoryArea, procedure.getSegmentData()));
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@ -239,27 +238,57 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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parameterList = (List<Variable>) this.visit(ctx.parameterListDecl());
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}
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procedure.setParameters(parameterList);
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sequence.addStatement(new StatementProcedureBegin(procedure.getRef(), StatementSource.procedureBegin(ctx), Comment.NO_COMMENTS));
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// Add parameter assignments
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if(Procedure.CallingConvention.STACK_CALL.equals(procedure.getCallingConvention())) {
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for(Variable param : parameterList) {
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sequence.addStatement(new StatementAssignment((LValue) param.getRef(), new ParamValue((VariableRef) param.getRef()), true, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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}
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}
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if(ctx.stmtSeq() != null) {
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this.visit(ctx.stmtSeq());
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}
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sequence.addStatement(new StatementLabel(procExit.getRef(), StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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if(Procedure.CallingConvention.PHI_CALL.equals(procedure.getCallingConvention()) && returnVar != null) {
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sequence.addStatement(new StatementAssignment(returnVar.getVariableRef(), returnVar.getRef(), false, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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}
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SymbolVariableRef returnVarRef = null;
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if(returnVar != null) {
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returnVarRef = returnVar.getRef();
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}
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sequence.addStatement(new StatementReturn(returnVarRef, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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scopeStack.pop();
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sequence.addStatement(new StatementProcedureEnd(procedure.getRef(), StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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// Check that the declaration matches any existing declaration!
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final Symbol existingSymbol = program.getScope().getSymbol(procedure.getRef());
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if(existingSymbol!=null) {
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// Already declared - check equality
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if(!SymbolTypeConversion.procedureDeclarationMatch((Procedure) existingSymbol, procedure))
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throw new CompileError("Error! Conflicting declarations for "+procedure.getFullName(), StatementSource.procedureBegin(ctx));
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} else {
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// Not declared before - add it
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program.getScope().add(procedure);
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}
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if(ctx.declFunctionBody() != null) {
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// Make sure directives and more are taken from the procedure with the body!
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if(existingSymbol!=null) {
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program.getScope().remove(existingSymbol);
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program.getScope().add(procedure);
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}
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// Check that the body has not already been added
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for(Statement statement : sequence.getStatements())
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if(statement instanceof StatementProcedureBegin && ((StatementProcedureBegin) statement).getProcedure().equals(procedure.getRef()))
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throw new CompileError("Error! Redefinition of function "+procedure.getFullName(), StatementSource.procedureBegin(ctx));
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// Add the body
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scopeStack.push(procedure);
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sequence.addStatement(new StatementProcedureBegin(procedure.getRef(), StatementSource.procedureBegin(ctx), Comment.NO_COMMENTS));
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// Add parameter assignments
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if(Procedure.CallingConvention.STACK_CALL.equals(procedure.getCallingConvention())) {
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for(Variable param : parameterList) {
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sequence.addStatement(new StatementAssignment((LValue) param.getRef(), new ParamValue((VariableRef) param.getRef()), true, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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}
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}
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Label procExit = procedure.addLabel(SymbolRef.PROCEXIT_BLOCK_NAME);
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if(ctx.declFunctionBody().stmtSeq() != null) {
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this.visit(ctx.declFunctionBody().stmtSeq());
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}
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sequence.addStatement(new StatementLabel(procExit.getRef(), StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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if(Procedure.CallingConvention.PHI_CALL.equals(procedure.getCallingConvention()) && returnVar != null) {
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sequence.addStatement(new StatementAssignment(returnVar.getVariableRef(), returnVar.getRef(), false, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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}
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SymbolVariableRef returnVarRef = null;
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if(returnVar != null) {
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returnVarRef = returnVar.getRef();
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}
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sequence.addStatement(new StatementReturn(returnVarRef, StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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scopeStack.pop();
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sequence.addStatement(new StatementProcedureEnd(procedure.getRef(), StatementSource.procedureEnd(ctx), Comment.NO_COMMENTS));
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}
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return null;
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}
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@ -557,7 +586,7 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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public VariableDeclaration() {
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this.declType = new VariableDeclType();
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}
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}
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/**
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* Exits the type layer (clears everything except struct information)
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@ -2363,7 +2392,7 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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List<Comment> comments = new ArrayList<>();
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BufferedTokenStream tokenStream = cParser.getTokenStream();
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final int startTokenIndex = ctx.start.getTokenIndex();
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if(startTokenIndex<0)
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if(startTokenIndex < 0)
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return commentBlocks;
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List<Token> hiddenTokens = tokenStream.getHiddenTokensToLeft(startTokenIndex);
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if(hiddenTokens != null) {
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@ -37,6 +37,11 @@ public class TestPrograms {
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public TestPrograms() {
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}
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@Test
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public void testCStyleDecl0() throws IOException, URISyntaxException {
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compileAndCompare("cstyle-decl-0");
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}
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@Test
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public void testPreprocessor8() throws IOException, URISyntaxException {
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compileAndCompare("preprocessor-8");
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26
src/test/kc/cstyle-decl-0.kc
Normal file
26
src/test/kc/cstyle-decl-0.kc
Normal file
@ -0,0 +1,26 @@
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// Test declarations without body
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// Declaration of main-function
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void main(void);
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// Declaration of a sum-function
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char sum(char a, char b);
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char * const SCREEN = 0x0400;
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// Definition of main()
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void main() {
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SCREEN[0] = sum('a', 2);
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SCREEN[1] = sum('a', 12);
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}
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// Definition of sum()
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char sum(char a, char b) {
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return a+b;
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}
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34
src/test/ref/cstyle-decl-0.asm
Normal file
34
src/test/ref/cstyle-decl-0.asm
Normal file
@ -0,0 +1,34 @@
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// Test declarations without body
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.label SCREEN = $400
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// Definition of main()
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main: {
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// sum('a', 2)
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lda #2
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ldx #'a'
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jsr sum
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// sum('a', 2)
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// SCREEN[0] = sum('a', 2)
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sta SCREEN
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// sum('a', 12)
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lda #$c
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ldx #'a'
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jsr sum
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// sum('a', 12)
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// SCREEN[1] = sum('a', 12)
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sta SCREEN+1
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// }
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rts
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}
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// Definition of sum()
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// sum(byte register(X) a, byte register(A) b)
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sum: {
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// a+b
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stx.z $ff
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clc
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adc.z $ff
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// }
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rts
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}
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39
src/test/ref/cstyle-decl-0.cfg
Normal file
39
src/test/ref/cstyle-decl-0.cfg
Normal file
@ -0,0 +1,39 @@
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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[5] call sum
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[6] (byte) sum::return#0 ← (byte) sum::return#2
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to:main::@1
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main::@1: scope:[main] from main
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[7] (byte~) main::$0 ← (byte) sum::return#0
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[8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0
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[9] call sum
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[10] (byte) sum::return#1 ← (byte) sum::return#2
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to:main::@2
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main::@2: scope:[main] from main::@1
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[11] (byte~) main::$1 ← (byte) sum::return#1
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[12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[13] return
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to:@return
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(byte()) sum((byte) sum::a , (byte) sum::b)
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sum: scope:[sum] from main main::@1
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[14] (byte) sum::b#2 ← phi( main/(byte) 2 main::@1/(byte) $c )
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[14] (byte) sum::a#2 ← phi( main/(byte) 'a' main::@1/(byte) 'a' )
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[15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2
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to:sum::@return
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sum::@return: scope:[sum] from sum
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[16] return
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to:@return
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557
src/test/ref/cstyle-decl-0.log
Normal file
557
src/test/ref/cstyle-decl-0.log
Normal file
@ -0,0 +1,557 @@
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Culled Empty Block (label) @1
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Culled Empty Block (label) sum::@1
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@2
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(void()) main()
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main: scope:[main] from @2
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(byte) sum::a#0 ← (byte) 'a'
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(byte) sum::b#0 ← (number) 2
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call sum
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(byte) sum::return#0 ← (byte) sum::return#3
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to:main::@1
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main::@1: scope:[main] from main
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(byte) sum::return#4 ← phi( main/(byte) sum::return#0 )
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(byte~) main::$0 ← (byte) sum::return#4
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*((const nomodify byte*) SCREEN + (number) 0) ← (byte~) main::$0
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(byte) sum::a#1 ← (byte) 'a'
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(byte) sum::b#1 ← (number) $c
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call sum
|
||||
(byte) sum::return#1 ← (byte) sum::return#3
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main::@1
|
||||
(byte) sum::return#5 ← phi( main::@1/(byte) sum::return#1 )
|
||||
(byte~) main::$1 ← (byte) sum::return#5
|
||||
*((const nomodify byte*) SCREEN + (number) 1) ← (byte~) main::$1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@2
|
||||
return
|
||||
to:@return
|
||||
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
sum: scope:[sum] from main main::@1
|
||||
(byte) sum::b#2 ← phi( main/(byte) sum::b#0 main::@1/(byte) sum::b#1 )
|
||||
(byte) sum::a#2 ← phi( main/(byte) sum::a#0 main::@1/(byte) sum::a#1 )
|
||||
(byte~) sum::$0 ← (byte) sum::a#2 + (byte) sum::b#2
|
||||
(byte) sum::return#2 ← (byte~) sum::$0
|
||||
to:sum::@return
|
||||
sum::@return: scope:[sum] from sum
|
||||
(byte) sum::return#6 ← phi( sum/(byte) sum::return#2 )
|
||||
(byte) sum::return#3 ← (byte) sum::return#6
|
||||
return
|
||||
to:@return
|
||||
@2: scope:[] from @begin
|
||||
call main
|
||||
to:@3
|
||||
@3: scope:[] from @2
|
||||
to:@end
|
||||
@end: scope:[] from @3
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @2
|
||||
(label) @3
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const nomodify byte*) SCREEN = (byte*)(number) $400
|
||||
(void()) main()
|
||||
(byte~) main::$0
|
||||
(byte~) main::$1
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
(byte~) sum::$0
|
||||
(label) sum::@return
|
||||
(byte) sum::a
|
||||
(byte) sum::a#0
|
||||
(byte) sum::a#1
|
||||
(byte) sum::a#2
|
||||
(byte) sum::b
|
||||
(byte) sum::b#0
|
||||
(byte) sum::b#1
|
||||
(byte) sum::b#2
|
||||
(byte) sum::return
|
||||
(byte) sum::return#0
|
||||
(byte) sum::return#1
|
||||
(byte) sum::return#2
|
||||
(byte) sum::return#3
|
||||
(byte) sum::return#4
|
||||
(byte) sum::return#5
|
||||
(byte) sum::return#6
|
||||
|
||||
Adding number conversion cast (unumber) 2 in (byte) sum::b#0 ← (number) 2
|
||||
Adding number conversion cast (unumber) 0 in *((const nomodify byte*) SCREEN + (number) 0) ← (byte~) main::$0
|
||||
Adding number conversion cast (unumber) $c in (byte) sum::b#1 ← (number) $c
|
||||
Adding number conversion cast (unumber) 1 in *((const nomodify byte*) SCREEN + (number) 1) ← (byte~) main::$1
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Inlining cast (byte) sum::b#0 ← (unumber)(number) 2
|
||||
Inlining cast (byte) sum::b#1 ← (unumber)(number) $c
|
||||
Successful SSA optimization Pass2InlineCast
|
||||
Simplifying constant pointer cast (byte*) 1024
|
||||
Simplifying constant integer cast 2
|
||||
Simplifying constant integer cast 0
|
||||
Simplifying constant integer cast $c
|
||||
Simplifying constant integer cast 1
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (byte) 2
|
||||
Finalized unsigned number type (byte) 0
|
||||
Finalized unsigned number type (byte) $c
|
||||
Finalized unsigned number type (byte) 1
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
Alias sum::return#0 = sum::return#4
|
||||
Alias sum::return#1 = sum::return#5
|
||||
Alias sum::return#2 = sum::$0 sum::return#6 sum::return#3
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
Constant (const byte) sum::a#0 = 'a'
|
||||
Constant (const byte) sum::b#0 = 2
|
||||
Constant (const byte) sum::a#1 = 'a'
|
||||
Constant (const byte) sum::b#1 = $c
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Simplifying expression containing zero SCREEN in [5] *((const nomodify byte*) SCREEN + (byte) 0) ← (byte~) main::$0
|
||||
Successful SSA optimization PassNSimplifyExpressionWithZero
|
||||
Inlining constant with var siblings (const byte) sum::a#0
|
||||
Inlining constant with var siblings (const byte) sum::b#0
|
||||
Inlining constant with var siblings (const byte) sum::a#1
|
||||
Inlining constant with var siblings (const byte) sum::b#1
|
||||
Constant inlined sum::b#1 = (byte) $c
|
||||
Constant inlined sum::b#0 = (byte) 2
|
||||
Constant inlined sum::a#1 = (byte) 'a'
|
||||
Constant inlined sum::a#0 = (byte) 'a'
|
||||
Successful SSA optimization Pass2ConstantInlining
|
||||
Consolidated array index constant in *(SCREEN+1)
|
||||
Successful SSA optimization Pass2ConstantAdditionElimination
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @2
|
||||
Adding NOP phi() at start of @3
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
Calls in [main] to sum:6 sum:10
|
||||
|
||||
Created 2 initial phi equivalence classes
|
||||
Coalesced down to 2 phi equivalence classes
|
||||
Culled Empty Block (label) @3
|
||||
Renumbering block @2 to @1
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
|
||||
(void()) main()
|
||||
main: scope:[main] from @1
|
||||
[4] phi()
|
||||
[5] call sum
|
||||
[6] (byte) sum::return#0 ← (byte) sum::return#2
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main
|
||||
[7] (byte~) main::$0 ← (byte) sum::return#0
|
||||
[8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0
|
||||
[9] call sum
|
||||
[10] (byte) sum::return#1 ← (byte) sum::return#2
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main::@1
|
||||
[11] (byte~) main::$1 ← (byte) sum::return#1
|
||||
[12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@2
|
||||
[13] return
|
||||
to:@return
|
||||
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
sum: scope:[sum] from main main::@1
|
||||
[14] (byte) sum::b#2 ← phi( main/(byte) 2 main::@1/(byte) $c )
|
||||
[14] (byte) sum::a#2 ← phi( main/(byte) 'a' main::@1/(byte) 'a' )
|
||||
[15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2
|
||||
to:sum::@return
|
||||
sum::@return: scope:[sum] from sum
|
||||
[16] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(void()) main()
|
||||
(byte~) main::$0 22.0
|
||||
(byte~) main::$1 22.0
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
(byte) sum::a
|
||||
(byte) sum::a#2 101.0
|
||||
(byte) sum::b
|
||||
(byte) sum::b#2 101.0
|
||||
(byte) sum::return
|
||||
(byte) sum::return#0 22.0
|
||||
(byte) sum::return#1 22.0
|
||||
(byte) sum::return#2 30.75
|
||||
|
||||
Initial phi equivalence classes
|
||||
[ sum::a#2 ]
|
||||
[ sum::b#2 ]
|
||||
Added variable sum::return#0 to live range equivalence class [ sum::return#0 ]
|
||||
Added variable main::$0 to live range equivalence class [ main::$0 ]
|
||||
Added variable sum::return#1 to live range equivalence class [ sum::return#1 ]
|
||||
Added variable main::$1 to live range equivalence class [ main::$1 ]
|
||||
Added variable sum::return#2 to live range equivalence class [ sum::return#2 ]
|
||||
Complete equivalence classes
|
||||
[ sum::a#2 ]
|
||||
[ sum::b#2 ]
|
||||
[ sum::return#0 ]
|
||||
[ main::$0 ]
|
||||
[ sum::return#1 ]
|
||||
[ main::$1 ]
|
||||
[ sum::return#2 ]
|
||||
Allocated zp[1]:2 [ sum::a#2 ]
|
||||
Allocated zp[1]:3 [ sum::b#2 ]
|
||||
Allocated zp[1]:4 [ sum::return#0 ]
|
||||
Allocated zp[1]:5 [ main::$0 ]
|
||||
Allocated zp[1]:6 [ sum::return#1 ]
|
||||
Allocated zp[1]:7 [ main::$1 ]
|
||||
Allocated zp[1]:8 [ sum::return#2 ]
|
||||
|
||||
INITIAL ASM
|
||||
Target platform is c64basic / MOS6502X
|
||||
// File Comments
|
||||
// Test declarations without body
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(__bbegin)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label SCREEN = $400
|
||||
// @begin
|
||||
__bbegin:
|
||||
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
__b1_from___bbegin:
|
||||
jmp __b1
|
||||
// @1
|
||||
__b1:
|
||||
// [2] call main
|
||||
// [4] phi from @1 to main [phi:@1->main]
|
||||
main_from___b1:
|
||||
jsr main
|
||||
// [3] phi from @1 to @end [phi:@1->@end]
|
||||
__bend_from___b1:
|
||||
jmp __bend
|
||||
// @end
|
||||
__bend:
|
||||
// main
|
||||
// Definition of main()
|
||||
main: {
|
||||
.label __0 = 5
|
||||
.label __1 = 7
|
||||
// [5] call sum
|
||||
// [14] phi from main to sum [phi:main->sum]
|
||||
sum_from_main:
|
||||
// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuz1=vbuc1
|
||||
lda #2
|
||||
sta.z sum.b
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuz1=vbuc1
|
||||
lda #'a'
|
||||
sta.z sum.a
|
||||
jsr sum
|
||||
// [6] (byte) sum::return#0 ← (byte) sum::return#2 -- vbuz1=vbuz2
|
||||
lda.z sum.return_2
|
||||
sta.z sum.return
|
||||
jmp __b1
|
||||
// main::@1
|
||||
__b1:
|
||||
// [7] (byte~) main::$0 ← (byte) sum::return#0 -- vbuz1=vbuz2
|
||||
lda.z sum.return
|
||||
sta.z __0
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuz1
|
||||
lda.z __0
|
||||
sta SCREEN
|
||||
// [9] call sum
|
||||
// [14] phi from main::@1 to sum [phi:main::@1->sum]
|
||||
sum_from___b1:
|
||||
// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuz1=vbuc1
|
||||
lda #$c
|
||||
sta.z sum.b
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuz1=vbuc1
|
||||
lda #'a'
|
||||
sta.z sum.a
|
||||
jsr sum
|
||||
// [10] (byte) sum::return#1 ← (byte) sum::return#2 -- vbuz1=vbuz2
|
||||
lda.z sum.return_2
|
||||
sta.z sum.return_1
|
||||
jmp __b2
|
||||
// main::@2
|
||||
__b2:
|
||||
// [11] (byte~) main::$1 ← (byte) sum::return#1 -- vbuz1=vbuz2
|
||||
lda.z sum.return_1
|
||||
sta.z __1
|
||||
// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuz1
|
||||
lda.z __1
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [13] return
|
||||
rts
|
||||
}
|
||||
// sum
|
||||
// Definition of sum()
|
||||
// sum(byte zp(2) a, byte zp(3) b)
|
||||
sum: {
|
||||
.label return = 4
|
||||
.label return_1 = 6
|
||||
.label return_2 = 8
|
||||
.label a = 2
|
||||
.label b = 3
|
||||
// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuz1=vbuz2_plus_vbuz3
|
||||
lda.z a
|
||||
clc
|
||||
adc.z b
|
||||
sta.z return_2
|
||||
jmp __breturn
|
||||
// sum::@return
|
||||
__breturn:
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 [ sum::return#2 ] ( main:2::sum:5 [ sum::return#2 ] { { sum::return#0 = sum::return#2 } } main:2::sum:9 [ sum::return#2 ] { { sum::return#1 = sum::return#2 } } ) always clobbers reg byte a
|
||||
Potential registers zp[1]:2 [ sum::a#2 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:3 [ sum::b#2 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:4 [ sum::return#0 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:5 [ main::$0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:6 [ sum::return#1 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:7 [ main::$1 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp[1]:8 [ sum::return#2 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [sum] 101: zp[1]:2 [ sum::a#2 ] 101: zp[1]:3 [ sum::b#2 ] 30.75: zp[1]:8 [ sum::return#2 ] 22: zp[1]:4 [ sum::return#0 ] 22: zp[1]:6 [ sum::return#1 ]
|
||||
Uplift Scope [main] 22: zp[1]:5 [ main::$0 ] 22: zp[1]:7 [ main::$1 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [sum] best 90 combination reg byte x [ sum::a#2 ] reg byte a [ sum::b#2 ] reg byte a [ sum::return#2 ] reg byte a [ sum::return#0 ] zp[1]:6 [ sum::return#1 ]
|
||||
Limited combination testing to 100 combinations of 1024 possible.
|
||||
Uplifting [main] best 78 combination reg byte a [ main::$0 ] reg byte a [ main::$1 ]
|
||||
Uplifting [] best 78 combination
|
||||
Attempting to uplift remaining variables inzp[1]:6 [ sum::return#1 ]
|
||||
Uplifting [sum] best 72 combination reg byte a [ sum::return#1 ]
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
// File Comments
|
||||
// Test declarations without body
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(__bbegin)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label SCREEN = $400
|
||||
// @begin
|
||||
__bbegin:
|
||||
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
__b1_from___bbegin:
|
||||
jmp __b1
|
||||
// @1
|
||||
__b1:
|
||||
// [2] call main
|
||||
// [4] phi from @1 to main [phi:@1->main]
|
||||
main_from___b1:
|
||||
jsr main
|
||||
// [3] phi from @1 to @end [phi:@1->@end]
|
||||
__bend_from___b1:
|
||||
jmp __bend
|
||||
// @end
|
||||
__bend:
|
||||
// main
|
||||
// Definition of main()
|
||||
main: {
|
||||
// [5] call sum
|
||||
// [14] phi from main to sum [phi:main->sum]
|
||||
sum_from_main:
|
||||
// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuaa=vbuc1
|
||||
lda #2
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuxx=vbuc1
|
||||
ldx #'a'
|
||||
jsr sum
|
||||
// [6] (byte) sum::return#0 ← (byte) sum::return#2
|
||||
jmp __b1
|
||||
// main::@1
|
||||
__b1:
|
||||
// [7] (byte~) main::$0 ← (byte) sum::return#0
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
// [9] call sum
|
||||
// [14] phi from main::@1 to sum [phi:main::@1->sum]
|
||||
sum_from___b1:
|
||||
// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuaa=vbuc1
|
||||
lda #$c
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuxx=vbuc1
|
||||
ldx #'a'
|
||||
jsr sum
|
||||
// [10] (byte) sum::return#1 ← (byte) sum::return#2
|
||||
jmp __b2
|
||||
// main::@2
|
||||
__b2:
|
||||
// [11] (byte~) main::$1 ← (byte) sum::return#1
|
||||
// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [13] return
|
||||
rts
|
||||
}
|
||||
// sum
|
||||
// Definition of sum()
|
||||
// sum(byte register(X) a, byte register(A) b)
|
||||
sum: {
|
||||
// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuaa=vbuxx_plus_vbuaa
|
||||
stx.z $ff
|
||||
clc
|
||||
adc.z $ff
|
||||
jmp __breturn
|
||||
// sum::@return
|
||||
__breturn:
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __bend
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __b2
|
||||
Removing instruction jmp __breturn
|
||||
Removing instruction jmp __breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction __b1_from___bbegin:
|
||||
Removing instruction __b1:
|
||||
Removing instruction main_from___b1:
|
||||
Removing instruction __bend_from___b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction __bend:
|
||||
Removing instruction sum_from_main:
|
||||
Removing instruction __b1:
|
||||
Removing instruction sum_from___b1:
|
||||
Removing instruction __b2:
|
||||
Removing instruction __breturn:
|
||||
Removing instruction __breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Updating BasicUpstart to call main directly
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
Removing instruction __bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const nomodify byte*) SCREEN = (byte*) 1024
|
||||
(void()) main()
|
||||
(byte~) main::$0 reg byte a 22.0
|
||||
(byte~) main::$1 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
(label) sum::@return
|
||||
(byte) sum::a
|
||||
(byte) sum::a#2 reg byte x 101.0
|
||||
(byte) sum::b
|
||||
(byte) sum::b#2 reg byte a 101.0
|
||||
(byte) sum::return
|
||||
(byte) sum::return#0 reg byte a 22.0
|
||||
(byte) sum::return#1 reg byte a 22.0
|
||||
(byte) sum::return#2 reg byte a 30.75
|
||||
|
||||
reg byte x [ sum::a#2 ]
|
||||
reg byte a [ sum::b#2 ]
|
||||
reg byte a [ sum::return#0 ]
|
||||
reg byte a [ main::$0 ]
|
||||
reg byte a [ sum::return#1 ]
|
||||
reg byte a [ main::$1 ]
|
||||
reg byte a [ sum::return#2 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 48
|
||||
|
||||
// File Comments
|
||||
// Test declarations without body
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label SCREEN = $400
|
||||
// @begin
|
||||
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
// @1
|
||||
// [2] call main
|
||||
// [4] phi from @1 to main [phi:@1->main]
|
||||
// [3] phi from @1 to @end [phi:@1->@end]
|
||||
// @end
|
||||
// main
|
||||
// Definition of main()
|
||||
main: {
|
||||
// sum('a', 2)
|
||||
// [5] call sum
|
||||
// [14] phi from main to sum [phi:main->sum]
|
||||
// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuaa=vbuc1
|
||||
lda #2
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuxx=vbuc1
|
||||
ldx #'a'
|
||||
jsr sum
|
||||
// sum('a', 2)
|
||||
// [6] (byte) sum::return#0 ← (byte) sum::return#2
|
||||
// main::@1
|
||||
// [7] (byte~) main::$0 ← (byte) sum::return#0
|
||||
// SCREEN[0] = sum('a', 2)
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
// sum('a', 12)
|
||||
// [9] call sum
|
||||
// [14] phi from main::@1 to sum [phi:main::@1->sum]
|
||||
// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuaa=vbuc1
|
||||
lda #$c
|
||||
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuxx=vbuc1
|
||||
ldx #'a'
|
||||
jsr sum
|
||||
// sum('a', 12)
|
||||
// [10] (byte) sum::return#1 ← (byte) sum::return#2
|
||||
// main::@2
|
||||
// [11] (byte~) main::$1 ← (byte) sum::return#1
|
||||
// SCREEN[1] = sum('a', 12)
|
||||
// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN+1
|
||||
// main::@return
|
||||
// }
|
||||
// [13] return
|
||||
rts
|
||||
}
|
||||
// sum
|
||||
// Definition of sum()
|
||||
// sum(byte register(X) a, byte register(A) b)
|
||||
sum: {
|
||||
// a+b
|
||||
// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuaa=vbuxx_plus_vbuaa
|
||||
stx.z $ff
|
||||
clc
|
||||
adc.z $ff
|
||||
// sum::@return
|
||||
// }
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
28
src/test/ref/cstyle-decl-0.sym
Normal file
28
src/test/ref/cstyle-decl-0.sym
Normal file
@ -0,0 +1,28 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const nomodify byte*) SCREEN = (byte*) 1024
|
||||
(void()) main()
|
||||
(byte~) main::$0 reg byte a 22.0
|
||||
(byte~) main::$1 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte()) sum((byte) sum::a , (byte) sum::b)
|
||||
(label) sum::@return
|
||||
(byte) sum::a
|
||||
(byte) sum::a#2 reg byte x 101.0
|
||||
(byte) sum::b
|
||||
(byte) sum::b#2 reg byte a 101.0
|
||||
(byte) sum::return
|
||||
(byte) sum::return#0 reg byte a 22.0
|
||||
(byte) sum::return#1 reg byte a 22.0
|
||||
(byte) sum::return#2 reg byte a 30.75
|
||||
|
||||
reg byte x [ sum::a#2 ]
|
||||
reg byte a [ sum::b#2 ]
|
||||
reg byte a [ sum::return#0 ]
|
||||
reg byte a [ main::$0 ]
|
||||
reg byte a [ sum::return#1 ]
|
||||
reg byte a [ main::$1 ]
|
||||
reg byte a [ sum::return#2 ]
|
||||
Loading…
Reference in New Issue
Block a user