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This commit is contained in:
kudzu_cp 2012-06-13 12:15:17 +00:00
parent c7fbdbc2da
commit ff71658c48
1 changed files with 34 additions and 15 deletions
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49
source2/Compiler/Cosmos.XSharp/TokenPatterns.cs
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@ -5,38 +5,57 @@ using System.Text;
namespace Cosmos.Compiler.XSharp {
public class TokenPatterns {
protected Dictionary<TokenPattern, string> mList = new Dictionary<TokenPattern, string>();
protected Dictionary<TokenPattern, Func<string>> mList = new Dictionary<TokenPattern, Func<string>>();
public TokenPatterns() {
Add(new TokenType[] { TokenType.LiteralAsm }, "new LiteralAssemblerCode(\"{0}\");");
Add(new TokenType[] { TokenType.Comment }, "new Comment(\"{0}\");");
Add(new TokenType[] { TokenType.LiteralAsm }, delegate() {
return "new LiteralAssemblerCode(\"{0}\");";
});
Add(new TokenType[] { TokenType.Comment }, delegate() {
return "new Comment(\"{0}\");";
});
Add("REG = 123", "new Mov{{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};");
Add("REG = REG", "new Mov{{ DestinationReg = RegistersEnum.{0}, SourceReg = RegistersEnum.{2} }};");
Add("REG = REG[0]", "//new ;");
Add("REG = 123", delegate() {
return "new Mov{{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};";
});
Add("REG = REG", delegate() {
return "new Mov{{ DestinationReg = RegistersEnum.{0}, SourceReg = RegistersEnum.{2} }};";
});
Add("REG = REG[0]", delegate() {
return "//new ;";
});
Add("ABC = REG", "//new ;");
Add("ABC = REG", delegate() {
return "//new ;";
});
// TODO: Allow asm to optimize these to Inc/Dec
Add("REG + 1", "new Add {{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};");
Add("REG - 1", "new Sub {{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};");
Add("REG + 1", delegate() {
return "new Add {{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};";
});
Add("REG - 1", delegate() {
return "new Sub {{ DestinationReg = RegistersEnum.{0}, SourceValue = {2} }};";
});
Add(new TokenType[] { TokenType.OpCode }, "//new ;");
Add(new TokenType[] { TokenType.OpCode }, delegate() {
return "//new ;";
});
}
public string GetCode(TokenType[] aPattern) {
string xResult;
if (!mList.TryGetValue(new TokenPattern(aPattern), out xResult)) {
Func<string> xAction;
if (!mList.TryGetValue(new TokenPattern(aPattern), out xAction)) {
throw new Exception("Token pattern not found.");
}
return xResult;
return xAction();
}
public void Add(string aPattern, string aCode) {
public void Add(string aPattern, Func<string> aCode) {
mList.Add(new TokenPattern(aPattern), aCode);
}
public void Add(TokenType[] aPattern, string aCode) {
public void Add(TokenType[] aPattern, Func<string> aCode) {
mList.Add(new TokenPattern(aPattern), aCode);
}
}