SymbolTable.java

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package com.rox.cpu.mos6502.assembler;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/** Maps label names to their resolved addresses, built during assembly's first pass. */
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final class SymbolTable {
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    private final Map<String, Integer> addresses = new LinkedHashMap<>();
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    void define(final String label, final int address, final int lineNumber) {
11 1 1. define : negated conditional → KILLED
 
        if (addresses.containsKey(label)) {
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            throw new AssemblyException(lineNumber, "Duplicate label: " + label);
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        }
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        addresses.put(label, address);
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    }
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    int resolve(final String label, final int lineNumber) {
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        final Integer address = addresses.get(label);
19 1 1. resolve : negated conditional → KILLED
 
        if (address == null) {
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            throw new AssemblyException(lineNumber, "Undefined label: " + label);
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        }
22 1 1. resolve : replaced int return with 0 for com/rox/cpu/mos6502/assembler/SymbolTable::resolve → KILLED
 
        return address;
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    }
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    Map<String, Integer> asMap() {
26 1 1. asMap : replaced return value with Collections.emptyMap for com/rox/cpu/mos6502/assembler/SymbolTable::asMap → KILLED
 
        return Map.copyOf(addresses);
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    }
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}

Mutations

11

1.1
Location : define
Killed by : com.rox.cpu.mos6502.assembler.SymbolTableTest.[engine:junit-jupiter]/[class:com.rox.cpu.mos6502.assembler.SymbolTableTest]/[method:resolveReturnsTheDefinedAddress()] negated conditional → KILLED

19

1.1
Location : resolve
Killed by : com.rox.cpu.mos6502.assembler.SymbolTableTest.[engine:junit-jupiter]/[class:com.rox.cpu.mos6502.assembler.SymbolTableTest]/[method:resolveReturnsTheDefinedAddress()] negated conditional → KILLED

22

1.1
Location : resolve
Killed by : com.rox.cpu.mos6502.assembler.SymbolTableTest.[engine:junit-jupiter]/[class:com.rox.cpu.mos6502.assembler.SymbolTableTest]/[method:resolveReturnsTheDefinedAddress()] replaced int return with 0 for com/rox/cpu/mos6502/assembler/SymbolTable::resolve → KILLED

26

1.1
Location : asMap
Killed by : com.rox.cpu.mos6502.assembler.SymbolTableTest.[engine:junit-jupiter]/[class:com.rox.cpu.mos6502.assembler.SymbolTableTest]/[method:asMapReflectsAllDefinedLabels()] replaced return value with Collections.emptyMap for com/rox/cpu/mos6502/assembler/SymbolTable::asMap → KILLED

Active mutators

Tests examined


Report generated by PIT 1.22.1