mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-06-30 00:29:45 +00:00
Added volatile/const booleans to SymbolType. So far they are always false!
This commit is contained in:
jespergravgaard
parent
76edc3b8c8
commit
8b2186e634
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@ -13,7 +13,7 @@ public class EnumDefinition extends Scope {
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@Override
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public SymbolType getType() {
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return new SymbolTypeEnum(this);
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return new SymbolTypeEnum(this, false, false);
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}
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@Override
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@ -15,7 +15,7 @@ public class StructDefinition extends Scope {
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@Override
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public SymbolType getType() {
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return new SymbolTypeStruct(this);
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return new SymbolTypeStruct(this, false, false);
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}
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/**
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@ -5,18 +5,24 @@ import java.io.Serializable;
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/** Symbol Types */
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public interface SymbolType extends Serializable {
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/** Specifies that the value of the variable may change at any time, so the optimizer must not make assumptions. The variable must always live in memory to be available for any multi-threaded access (eg. in interrupts). (volatile keyword) */
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boolean isVolatile();
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/** Specifies that the variable is not allowed to be modified (const keyword). The compiler should try to detect modifications and generate compile-time errors if they occur.*/
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boolean isNomodify();
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/** Unsigned byte (8 bits)). */
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SymbolTypeIntegerFixed BYTE = new SymbolTypeIntegerFixed("byte", 0, 255, false, 8);
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SymbolTypeIntegerFixed BYTE = new SymbolTypeIntegerFixed("byte", 0, 255, false, 8, false, false);
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/** Signed byte (8 bits). */
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SymbolTypeIntegerFixed SBYTE = new SymbolTypeIntegerFixed("signed byte", -128, 127, true, 8);
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SymbolTypeIntegerFixed SBYTE = new SymbolTypeIntegerFixed("signed byte", -128, 127, true, 8, false, false);
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/** Unsigned word (2 bytes, 16 bits). */
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SymbolTypeIntegerFixed WORD = new SymbolTypeIntegerFixed("word", 0, 65_535, false, 16);
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SymbolTypeIntegerFixed WORD = new SymbolTypeIntegerFixed("word", 0, 65_535, false, 16, false, false);
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/** Signed word (2 bytes, 16 bits). */
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SymbolTypeIntegerFixed SWORD = new SymbolTypeIntegerFixed("signed word", -32_768, 32_767, true, 16);
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SymbolTypeIntegerFixed SWORD = new SymbolTypeIntegerFixed("signed word", -32_768, 32_767, true, 16, false, false);
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/** Unsigned double word (4 bytes, 32 bits). */
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SymbolTypeIntegerFixed DWORD = new SymbolTypeIntegerFixed("dword", 0, 4_294_967_296L, false, 32);
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SymbolTypeIntegerFixed DWORD = new SymbolTypeIntegerFixed("dword", 0, 4_294_967_296L, false, 32, false, false);
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/** Signed double word (4 bytes, 32 bits). */
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SymbolTypeIntegerFixed SDWORD = new SymbolTypeIntegerFixed("signed dword", -2_147_483_648, 2_147_483_647, true, 32);
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SymbolTypeIntegerFixed SDWORD = new SymbolTypeIntegerFixed("signed dword", -2_147_483_648, 2_147_483_647, true, 32, false, false);
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/** Integer with unknown size and unknown signedness (used for constant expressions). */
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SymbolTypeIntegerAuto NUMBER = new SymbolTypeIntegerAuto("number");
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/** Unsigned integer with unknown size (used for constant expressions). */
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@ -24,15 +30,15 @@ public interface SymbolType extends Serializable {
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/** Signed integer with unknown size (used for constant expressions). */
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SymbolTypeIntegerAuto SNUMBER = new SymbolTypeIntegerAuto("snumber");
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/** Boolean value. */
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SymbolTypeNamed BOOLEAN = new SymbolTypeNamed("bool", 1);
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SymbolTypeNamed BOOLEAN = new SymbolTypeNamed("bool", 1, false, false);
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/** Numeric floating point value. */
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SymbolTypeNamed DOUBLE = new SymbolTypeNamed("double", 1);
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SymbolTypeNamed DOUBLE = new SymbolTypeNamed("double", 1, false, false);
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/** A label. Name of functions of jump-targets. */
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SymbolTypeNamed LABEL = new SymbolTypeNamed("label", 1);
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SymbolTypeNamed LABEL = new SymbolTypeNamed("label", 1, false, false);
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/** Void type representing no value. */
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SymbolTypeNamed VOID = new SymbolTypeNamed("void", 0);
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SymbolTypeNamed VOID = new SymbolTypeNamed("void", 0, false, false);
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/** An unresolved type. Will be infered later. */
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SymbolTypeNamed VAR = new SymbolTypeNamed("var", -1);
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SymbolTypeNamed VAR = new SymbolTypeNamed("var", -1, false, false);
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/**
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* Get a simple symbol type from the type name.
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@ -43,45 +49,30 @@ public interface SymbolType extends Serializable {
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static SymbolType get(String name) {
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switch(name) {
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case "byte":
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return BYTE;
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case "unsigned byte":
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return BYTE;
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case "signed byte":
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return SBYTE;
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case "char":
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return BYTE;
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case "unsigned char":
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return BYTE;
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case "signed byte":
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case "signed char":
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return SBYTE;
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case "word":
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return WORD;
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case "unsigned word":
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return WORD;
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case "signed word":
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return SWORD;
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case "short":
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return SWORD;
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case "unsigned short":
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return WORD;
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case "signed short":
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return SWORD;
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case "int":
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return SWORD;
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case "unsigned int":
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return WORD;
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case "signed word":
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case "short":
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case "signed short":
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case "int":
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case "signed int":
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return SWORD;
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case "dword":
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return DWORD;
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case "unsigned dword":
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return DWORD;
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case "signed dword":
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return SDWORD;
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case "long":
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return SDWORD;
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case "unsigned long":
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return DWORD;
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case "signed dword":
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case "long":
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case "signed long":
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return SDWORD;
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case "bool":
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@ -94,7 +85,6 @@ public interface SymbolType extends Serializable {
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return null;
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}
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/**
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* Get the name of the type
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*
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@ -12,6 +12,16 @@ public class SymbolTypeBlockScope implements SymbolType {
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return "BLOCK";
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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@Override
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public int getSizeBytes() {
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return -1;
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@ -13,9 +13,24 @@ public class SymbolTypeEnum implements SymbolType {
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/** The enum definition. */
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private EnumDefinition definition;
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public SymbolTypeEnum(EnumDefinition definition) {
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private final boolean isVolatile;
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private final boolean isNomodify;
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public SymbolTypeEnum(EnumDefinition definition, boolean isVolatile, boolean isNomodify) {
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this.definition = definition;
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this.name = definition.getLocalName();
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this.isVolatile = isVolatile;
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this.isNomodify = isNomodify;
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}
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@Override
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public boolean isVolatile() {
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return isVolatile;
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}
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@Override
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public boolean isNomodify() {
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return isNomodify;
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}
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@Override
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@ -11,6 +11,16 @@ public class SymbolTypeIntegerAuto implements SymbolTypeInteger {
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this.typeName = typeName;
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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@Override
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public String getTypeName() {
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return typeName;
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@ -26,7 +36,6 @@ public class SymbolTypeIntegerAuto implements SymbolTypeInteger {
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return getTypeName();
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}
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@Override
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public boolean equals(Object o) {
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if(this == o) return true;
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@ -12,13 +12,17 @@ public class SymbolTypeIntegerFixed implements SymbolTypeInteger {
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private final long maxValue;
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private final boolean signed;
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private final int bits;
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private final boolean isVolatile;
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private final boolean isNomodify;
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SymbolTypeIntegerFixed(String typeName, long minValue, long maxValue, boolean signed, int bits) {
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SymbolTypeIntegerFixed(String typeName, long minValue, long maxValue, boolean signed, int bits, boolean isVolatile, boolean isNomodify) {
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this.typeName = typeName;
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this.minValue = minValue;
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this.maxValue = maxValue;
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this.signed = signed;
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this.bits = bits;
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this.isVolatile = isVolatile;
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this.isNomodify = isNomodify;
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}
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/**
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@ -62,6 +66,15 @@ public class SymbolTypeIntegerFixed implements SymbolTypeInteger {
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return null;
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}
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@Override
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public boolean isVolatile() {
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return isVolatile;
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}
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@Override
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public boolean isNomodify() {
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return isNomodify;
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}
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/**
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* Determines if a value can be represented by the type without loss of information
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@ -4,12 +4,25 @@ package dk.camelot64.kickc.model.types;
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public class SymbolTypeNamed implements SymbolType {
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private String typeName;
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private int sizeBytes;
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private final boolean isVolatile;
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private final boolean isNomodify;
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SymbolTypeNamed(String typeName, int sizeBytes) {
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SymbolTypeNamed(String typeName, int sizeBytes, boolean isVolatile, boolean isNomodify) {
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this.typeName = typeName;
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this.sizeBytes = sizeBytes;
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this.isVolatile = isVolatile;
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this.isNomodify = isNomodify;
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}
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@Override
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public boolean isVolatile() {
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return isVolatile;
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}
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@Override
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public boolean isNomodify() {
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return isNomodify;
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}
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public String getTypeName() {
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@ -15,13 +15,29 @@ public class SymbolTypePointer implements SymbolType {
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/** If non-null the pointer is an array. */
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private ArraySpec arraySpec;
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public SymbolTypePointer(SymbolType elementType, ArraySpec arraySpec) {
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private final boolean isVolatile;
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private final boolean isNomodify;
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public SymbolTypePointer(SymbolType elementType, ArraySpec arraySpec, boolean isVolatile, boolean isNomodify) {
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this.elementType = elementType;
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this.arraySpec = arraySpec;
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this.isVolatile = isVolatile;
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this.isNomodify = isNomodify;
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}
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public SymbolTypePointer(SymbolType elementType) {
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this(elementType, null);
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this(elementType, null, false, false);
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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public SymbolType getElementType() {
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@ -11,6 +11,16 @@ public class SymbolTypeProcedure implements SymbolType {
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this.returnType = returnType;
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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@Override
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public int getSizeBytes() {
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return -1;
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@ -7,6 +7,16 @@ public class SymbolTypeProgram implements SymbolType {
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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@Override
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public String getTypeName() {
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return "PROGRAM";
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@ -18,9 +18,24 @@ public class SymbolTypeStruct implements SymbolType {
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/** Size of the struct in bytes. */
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private int sizeBytes;
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public SymbolTypeStruct(StructDefinition structDefinition) {
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private final boolean isVolatile;
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private final boolean isNomodify;
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public SymbolTypeStruct(StructDefinition structDefinition, boolean isVolatile, boolean isNomodify) {
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this.name = structDefinition.getLocalName();
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this.sizeBytes = calculateSizeBytes(structDefinition, null);
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this.isVolatile = isVolatile;
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this.isNomodify = isNomodify;
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}
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@Override
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public boolean isVolatile() {
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return isVolatile;
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}
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@Override
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public boolean isNomodify() {
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return isNomodify;
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}
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@Override
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@ -7,6 +7,16 @@ public class SymbolTypeTypeDefScope implements SymbolType {
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}
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@Override
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public boolean isVolatile() {
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return false;
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}
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@Override
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public boolean isNomodify() {
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return false;
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}
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@Override
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public String getTypeName() {
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return "TYPEDEF";
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@ -980,7 +980,7 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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}
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final VariableDeclaration.VariableDeclType elementDeclType = varDecl.getEffectiveDeclType();
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VariableDeclaration.VariableDeclType arrayDeclType = new VariableDeclaration.VariableDeclType();
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arrayDeclType.setType(new SymbolTypePointer(elementDeclType.getType(), arraySpec));
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arrayDeclType.setType(new SymbolTypePointer(elementDeclType.getType(), arraySpec, false, false));
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arrayDeclType.setElementDeclType(elementDeclType);
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varDecl.setVarDeclType(arrayDeclType);
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return null;
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@ -2096,7 +2096,7 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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arraySpec = new ArraySpec();
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}
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arrayDeclType.setType(new SymbolTypePointer(elementDeclType.getType(), arraySpec));
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arrayDeclType.setType(new SymbolTypePointer(elementDeclType.getType(), arraySpec, false, false));
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arrayDeclType.setElementDeclType(elementDeclType);
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varDecl.setVarDeclType(arrayDeclType);
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return null;
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@ -78,7 +78,7 @@ public class Pass1ExtractInlineStrings extends Pass1Base {
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}
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final long stringLength = constantString.getStringLength();
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final ConstantInteger arraySize = new ConstantInteger(stringLength, stringLength<256?SymbolType.BYTE : SymbolType.WORD);
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Variable strConst = Variable.createConstant(name, new SymbolTypePointer(SymbolType.BYTE, new ArraySpec(arraySize)), blockScope, constantString, blockScope.getSegmentData());
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Variable strConst = Variable.createConstant(name, new SymbolTypePointer(SymbolType.BYTE, new ArraySpec(arraySize), false, false), blockScope, constantString, blockScope.getSegmentData());
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blockScope.add(strConst);
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if(getLog().isVerbosePass1CreateSsa()) {
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getLog().append("Creating constant string variable for inline " + strConst.toString(getProgram()) + " \"" + constantString.getValue() + "\"");
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@ -30,7 +30,7 @@ public class Pass1StructTypeSizeFix extends Pass2SsaOptimization {
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// Update all SIZEOF_XXX constants
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for(Scope subScope : getScope().getAllScopes(false)) {
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if(subScope instanceof StructDefinition) {
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SymbolTypeStruct typeStruct = new SymbolTypeStruct((StructDefinition) subScope);
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SymbolTypeStruct typeStruct = new SymbolTypeStruct((StructDefinition) subScope, false, false);
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StructDefinition structDefinition = typeStruct.getStructDefinition(getScope());
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int sizeBytes = typeStruct.calculateSizeBytes(structDefinition, getScope());
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if(sizeBytes != typeStruct.getSizeBytes()) {
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@ -93,7 +93,7 @@ public class Pass2ConstantStringConsolidation extends Pass2SsaOptimization {
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String localName = getRootName(constantVars);
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final long stringLength = constString.getStringLength();
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final ConstantInteger arraySize = new ConstantInteger(stringLength, stringLength<256?SymbolType.BYTE : SymbolType.WORD);
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Variable newRootConstant = Variable.createConstant(localName, new SymbolTypePointer(SymbolType.BYTE, new ArraySpec(arraySize)), rootScope, constString, segmentData);
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Variable newRootConstant = Variable.createConstant(localName, new SymbolTypePointer(SymbolType.BYTE, new ArraySpec(arraySize), false, false), rootScope, constString, segmentData);
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rootScope.add(newRootConstant);
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rootConstant = newRootConstant;
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}
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