version 1.23, 2004/09/12 01:53:11 |
version 1.24, 2004/09/12 08:55:36 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.22 2004/09/12 01:32:08 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.23 2004/09/12 01:53:11 takayama Exp $ */ |
/* stackmachin.c */ |
/* stackmachin.c */ |
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#include <stdio.h> |
#include <stdio.h> |
Line 923 int executeToken(token) |
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Line 923 int executeToken(token) |
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int primitive; |
int primitive; |
int size; |
int size; |
int status; |
int status; |
struct tokens *tokenArray; |
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int i,h0,h1; |
int i,h0,h1; |
int infixOn; |
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struct tokens infixToken; |
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extern int WarningMessageMode; |
extern int WarningMessageMode; |
extern int Strict; |
extern int Strict; |
extern int InSendmsg2; |
extern int InSendmsg2; |
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infixOn = 0; |
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if (GotoP) { /* for goto */ |
if (GotoP) { /* for goto */ |
if (token.kind == ID && isLiteral(token.token)) { |
if (token.kind == ID && isLiteral(token.token)) { |
if (strcmp(&((token.token)[1]),GotoLabel) == 0) { |
if (strcmp(&((token.token)[1]),GotoLabel) == 0) { |
Line 979 int executeToken(token) |
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Line 975 int executeToken(token) |
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primitive = ((token.object.rc.op)->lc).ival; |
primitive = ((token.object.rc.op)->lc).ival; |
if (!(token.tflag & NO_DELAY)) { |
if (!(token.tflag & NO_DELAY)) { |
if ((ob.tag >= 0) && (UD_attr & ATTR_INFIX)) { |
if ((ob.tag >= 0) && (UD_attr & ATTR_INFIX)) { |
tracePopName(); return STATUS_INFIX; |
return STATUS_INFIX; |
} |
} |
} |
} |
if (ob.tag >= 0) { |
if (ob.tag >= 0) { |
/* there is a definition in the user dictionary */ |
/* there is a definition in the user dictionary */ |
if (ob.tag == SexecutableArray) { |
if (ob.tag == SexecutableArray) { |
tracePushName(token.token); |
status = executeExecutableArray(ob,token.token); |
tokenArray = ob.lc.tokenArray; |
if ((status & STATUS_BREAK) || (status < 0)) return status; |
size = ob.rc.ival; |
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for (i=0; i<size; i++) { |
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status = executeToken(tokenArray[i]); |
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if ((status & STATUS_BREAK) || (status < 0)) { |
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tracePopName(); return(status); |
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} |
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if (status & STATUS_INFIX) { |
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if (i == size-1) errorStackmachine("Infix operator at the end of an executable array."); |
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infixOn = 1; infixToken = tokenArray[i]; |
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infixToken.tflag |= NO_DELAY; |
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continue; |
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}else if (infixOn) { |
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infixOn = 0; |
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status = executeToken(infixToken); |
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if ((status & STATUS_BREAK) || (status < 0)) { |
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tracePopName(); return(status); |
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} |
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} |
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} |
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tracePopName(); |
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}else { |
}else { |
Kpush(ob); |
Kpush(ob); |
} |
} |
Line 1615 char *traceShowStack(void) { |
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Line 1590 char *traceShowStack(void) { |
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} while (t != (char *)NULL); |
} while (t != (char *)NULL); |
fprintf(stderr,"%s\n",s); |
fprintf(stderr,"%s\n",s); |
return s; |
return s; |
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} |
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/* |
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if (fname != NULL) fname is pushed to the trace stack. |
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*/ |
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int executeExecutableArray(struct object ob,char *fname) { |
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struct tokens *tokenArray; |
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int size,i; |
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int status; |
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int infixOn; |
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struct tokens infixToken; |
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extern int GotoP; |
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infixOn = 0; |
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if (ob.tag != SexecutableArray) errorStackmachine("Error (executeTokenArray): the argument is not a token array."); |
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if (fname != NULL) tracePushName(fname); |
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tokenArray = ob.lc.tokenArray; |
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size = ob.rc.ival; |
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for (i=0; i<size; i++) { |
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status = executeToken(tokenArray[i]); |
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if ((status & STATUS_BREAK) || (status < 0) || GotoP) { |
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if (fname != NULL) tracePopName(); |
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return(status); |
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} |
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if (status & STATUS_INFIX) { |
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if (i == size-1) errorStackmachine("Infix operator at the end of an executable array."); |
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infixOn = 1; infixToken = tokenArray[i]; |
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infixToken.tflag |= NO_DELAY; |
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continue; |
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}else if (infixOn) { |
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infixOn = 0; |
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status = executeToken(infixToken); |
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if ((status & STATUS_BREAK) || (status < 0) || GotoP) { |
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if (fname != NULL) tracePopName(); |
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return(status); |
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} |
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} |
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} |
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if (fname != NULL) tracePopName(); |
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return(0); /* normal exit */ |
} |
} |