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- ACC changes for externally definable functions.
SVN r1576 (trunk)
This commit is contained in:
Christoph Oelckers
parent
7668d75645
commit
dc777b74f1
8 changed files with 150 additions and 20 deletions
5
misc.h
5
misc.h
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@ -46,4 +46,9 @@ boolean MS_IsDirectoryDelimiter(char test);
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// PUBLIC DATA DECLARATIONS ------------------------------------------------
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#ifdef _MSC_VER
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// Get rid of the annoying deprecation warnings with VC++2005 and newer.
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#pragma warning(disable:4996)
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#endif
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#endif
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142
parse.c
142
parse.c
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@ -93,6 +93,7 @@ static boolean ProcessStatement(statement_t owner);
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static void LeadingCompoundStatement(statement_t owner);
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static void LeadingVarDeclare(void);
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static void LeadingLineSpecial(boolean executewait);
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static void LeadingFunction();
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static void LeadingIdentifier(void);
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static void BuildPrintString(void);
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static void PrintCharArray(void);
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@ -1136,8 +1137,16 @@ static void OuterSpecialDef(void)
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{
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do
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{
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TK_NextTokenMustBe(TK_NUMBER, ERR_MISSING_SPEC_VAL);
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special = tk_Number;
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if (TK_NextToken() == TK_MINUS)
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{
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TK_NextTokenMustBe(TK_NUMBER, ERR_MISSING_SPEC_VAL);
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special = -tk_Number;
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}
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else
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{
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TK_TokenMustBe(TK_NUMBER, ERR_MISSING_SPEC_VAL);
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special = tk_Number;
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}
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TK_NextTokenMustBe(TK_COLON, ERR_MISSING_SPEC_COLON);
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TK_NextTokenMustBe(TK_IDENTIFIER, ERR_INVALID_IDENTIFIER);
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sym = SY_InsertGlobalUnique(tk_String, SY_SPECIAL);
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@ -1263,7 +1272,14 @@ static boolean ProcessStatement(statement_t owner)
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LeadingVarDeclare();
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break;
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case TK_LINESPECIAL:
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LeadingLineSpecial(NO);
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if (tk_SpecialValue >= 0)
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{
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LeadingLineSpecial(NO);
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}
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else
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{
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LeadingFunction();
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}
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break;
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case TK_ACSEXECUTEWAIT:
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tk_SpecialArgCount = 1 | (5<<16);
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@ -1609,6 +1625,81 @@ static void LeadingLineSpecial(boolean executewait)
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TK_NextToken();
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}
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//==========================================================================
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//
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// LeadingLineSpecial
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//
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//==========================================================================
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static void LeadingFunction()
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{
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int i;
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int argCount;
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int argCountMin;
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int argCountMax;
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int specialValue;
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MS_Message(MSG_DEBUG, "---- LeadingFunction ----\n");
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argCountMin = tk_SpecialArgCount & 0xffff;
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argCountMax = tk_SpecialArgCount >> 16;
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specialValue = -tk_SpecialValue;
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TK_NextTokenMustBe(TK_LPAREN, ERR_MISSING_LPAREN);
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i = 0;
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if(argCountMax > 0)
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{
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if(TK_NextToken() == TK_CONST)
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{
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// Just skip const declarators
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TK_NextTokenMustBe(TK_COLON, ERR_MISSING_COLON);
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}
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else
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{
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TK_Undo();
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}
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do
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{
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if(i == argCountMax)
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{
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ERR_Error(ERR_BAD_ARG_COUNT, YES);
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i = argCountMax+1;
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}
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TK_NextToken();
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EvalExpression();
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if(i < argCountMax)
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{
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i++;
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}
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} while(tk_Token == TK_COMMA);
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if(i < argCountMin)
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{
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ERR_Error(ERR_BAD_ARG_COUNT, YES);
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TK_SkipPast(TK_SEMICOLON);
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return;
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}
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argCount = i;
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}
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else
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{
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argCount = 0;
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TK_NextToken ();
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}
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TK_TokenMustBe(TK_RPAREN, ERR_MISSING_RPAREN);
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TK_NextTokenMustBe(TK_SEMICOLON, ERR_MISSING_SEMICOLON);
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PC_AppendCmd(PCD_CALLFUNC);
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if(pc_NoShrink)
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{
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PC_AppendInt(argCount);
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PC_AppendInt(specialValue);
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}
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else
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{
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PC_AppendByte(argCount);
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PC_AppendWord(specialValue);
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}
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PC_AppendCmd(PCD_DROP);
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TK_NextToken();
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}
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//==========================================================================
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//
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// LeadingIdentifier
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@ -3159,9 +3250,9 @@ static void ExprLevX(int level)
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static void ExprLineSpecial(void)
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{
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U_BYTE specialValue = tk_SpecialValue;
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int argCountMin = tk_SpecialArgCount & 0xffff;
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int argCountMax = tk_SpecialArgCount >> 16;
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int specialValue = tk_SpecialValue;
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// There are two ways to use a special in an expression:
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// 1. The special name by itself returns the special's number.
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@ -3169,7 +3260,7 @@ static void ExprLineSpecial(void)
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TK_NextToken();
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if(tk_Token != TK_LPAREN)
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{
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PC_AppendPushVal(tk_SpecialValue);
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PC_AppendPushVal(specialValue);
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}
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else
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{
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@ -3188,23 +3279,42 @@ static void ExprLineSpecial(void)
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}
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if(argCount < argCountMin || argCount > argCountMax)
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{
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ERR_Error(ERR_BAD_LSPEC_ARG_COUNT, YES);
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ERR_Error(specialValue >=0? ERR_BAD_LSPEC_ARG_COUNT : ERR_BAD_ARG_COUNT, YES);
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return;
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}
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for(; argCount < 5; ++argCount)
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if (specialValue >= 0)
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{
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PC_AppendPushVal(0);
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}
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TK_TokenMustBe(TK_RPAREN, ERR_MISSING_RPAREN);
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TK_NextToken();
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PC_AppendCmd(PCD_LSPEC5RESULT);
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if(pc_NoShrink)
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{
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PC_AppendInt(specialValue);
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for(; argCount < 5; ++argCount)
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{
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PC_AppendPushVal(0);
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}
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TK_TokenMustBe(TK_RPAREN, ERR_MISSING_RPAREN);
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TK_NextToken();
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PC_AppendCmd(PCD_LSPEC5RESULT);
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if(pc_NoShrink)
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{
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PC_AppendInt(specialValue);
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}
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else
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{
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PC_AppendByte(specialValue);
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}
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}
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else
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{
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PC_AppendByte(specialValue);
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TK_TokenMustBe(TK_RPAREN, ERR_MISSING_RPAREN);
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TK_NextToken();
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PC_AppendCmd(PCD_CALLFUNC);
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if(pc_NoShrink)
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{
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PC_AppendInt(argCount);
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PC_AppendInt(-specialValue);
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}
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else
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{
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PC_AppendByte(argCount);
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PC_AppendWord(-specialValue);
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}
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}
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}
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}
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1
pcode.c
1
pcode.c
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@ -461,6 +461,7 @@ static char *PCDNames[PCODE_COMMAND_COUNT] =
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"PCD_CLASSIFYACTOR",
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"PCD_PRINTBINARY",
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"PCD_PRINTHEX",
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"PCD_CALLFUNC",
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};
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// CODE --------------------------------------------------------------------
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1
pcode.h
1
pcode.h
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@ -412,6 +412,7 @@ typedef enum
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PCD_CLASSIFYACTOR,
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PCD_PRINTBINARY,
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PCD_PRINTHEX,
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PCD_CALLFUNC,
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PCODE_COMMAND_COUNT
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} pcd_t;
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2
symbol.h
2
symbol.h
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@ -57,7 +57,7 @@ typedef struct
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typedef struct
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{
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U_BYTE value;
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int value;
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int argCount;
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} symSpecial_t;
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2
token.c
2
token.c
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@ -96,7 +96,7 @@ tokenType_t tk_Token;
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int tk_Line;
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int tk_Number;
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char *tk_String;
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U_BYTE tk_SpecialValue;
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int tk_SpecialValue;
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int tk_SpecialArgCount;
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char *tk_SourceName;
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int tk_IncludedLines;
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2
token.h
2
token.h
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@ -155,7 +155,7 @@ extern tokenType_t tk_Token;
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extern int tk_Line;
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extern int tk_Number;
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extern char *tk_String;
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extern U_BYTE tk_SpecialValue;
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extern int tk_SpecialValue;
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extern int tk_SpecialArgCount;
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extern char *tk_SourceName;
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extern int tk_IncludedLines;
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15
zspecial.acs
15
zspecial.acs
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@ -212,4 +212,17 @@ special
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252:Ceiling_RaiseToNearest(2),
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253:Ceiling_LowerToLowest(2),
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254:Ceiling_LowerToFloor(2),
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255:Ceiling_CrushRaiseAndStaySilA(4,5);
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255:Ceiling_CrushRaiseAndStaySilA(4,5),
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// internal functions have negative values
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-1:GetLineUDMFInt(2),
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-2:GetLineUDMFFixed(2),
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-3:GetThingUDMFInt(2),
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-4:GetThingUDMFFixed(2),
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-5:GetSectorUDMFInt(2),
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-6:GetSectorUDMFFixed(2),
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-7:GetSideUDMFInt(3),
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-8:GetSideUDMFFixed(3),
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-1000:__EndOfList__(10);
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