diff options
Diffstat (limited to 'generic')
-rw-r--r-- | generic/tclCompCmds.c | 29 | ||||
-rw-r--r-- | generic/tclCompile.c | 5 | ||||
-rw-r--r-- | generic/tclCompile.h | 5 | ||||
-rw-r--r-- | generic/tclExecute.c | 59 | ||||
-rw-r--r-- | generic/tclInt.h | 4 | ||||
-rw-r--r-- | generic/tclOO.c | 9 | ||||
-rw-r--r-- | generic/tclOOBasic.c | 12 |
7 files changed, 109 insertions, 14 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index 160fa3c..917fd20 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -5919,6 +5919,35 @@ IndexTailVarIfKnown( return localIndex; } +/* + * Compilations of commands relating to TclOO. + */ + +int +TclCompileObjectNextCmd( + Tcl_Interp *interp, /* Used for error reporting. */ + Tcl_Parse *parsePtr, /* Points to a parse structure for the command + * created by Tcl_ParseCommand. */ + Command *cmdPtr, /* Points to defintion of command being + * compiled. */ + CompileEnv *envPtr) /* Holds resulting instructions. */ +{ + DefineLineInformation; /* TIP #280 */ + Tcl_Token *tokenPtr = parsePtr->tokenPtr; + int i; + + if (parsePtr->numWords > 255) { + return TCL_ERROR; + } + + for (i=0 ; i<parsePtr->numWords ; i++) { + CompileWord(envPtr, tokenPtr, interp, i); + tokenPtr = TokenAfter(tokenPtr); + } + TclEmitInstInt1( INST_TCLOO_NEXT, i, envPtr); + return TCL_OK; +} + int TclCompileObjectSelfCmd( Tcl_Interp *interp, /* Used for error reporting. */ diff --git a/generic/tclCompile.c b/generic/tclCompile.c index 309682d..e7462e6 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -491,6 +491,7 @@ InstructionDesc const tclInstructionTable[] = { * qualified version, or produces the empty string if no such command * exists. Never generates errors. * Stack: ... cmdName => ... fullCmdName */ + {"tclooSelf", 1, +1, 0, {OPERAND_NONE}}, /* Push the identity of the current TclOO object (i.e., the name of * its current public access command) on the stack. */ @@ -529,6 +530,10 @@ InstructionDesc const tclInstructionTable[] = { /* Forces the variable indexed by opnd to be an array. Does not touch * the stack. */ + {"tclooNext", 2, INT_MIN, 1, {OPERAND_UINT1}}, + /* Push the identity of the current TclOO object (i.e., the name of + * its current public access command) on the stack. */ + {NULL, 0, 0, 0, {OPERAND_NONE}} }; diff --git a/generic/tclCompile.h b/generic/tclCompile.h index 3302f9b..42f55cd 100644 --- a/generic/tclCompile.h +++ b/generic/tclCompile.h @@ -700,6 +700,8 @@ typedef struct ByteCode { #define INST_INFO_LEVEL_NUM 152 #define INST_INFO_LEVEL_ARGS 153 #define INST_RESOLVE_COMMAND 154 + +/* For compilation relating to TclOO */ #define INST_TCLOO_SELF 155 #define INST_TCLOO_CLASS 156 #define INST_TCLOO_NS 157 @@ -710,9 +712,10 @@ typedef struct ByteCode { #define INST_ARRAY_EXISTS_IMM 160 #define INST_ARRAY_MAKE_STK 161 #define INST_ARRAY_MAKE_IMM 162 +#define INST_TCLOO_NEXT 163 /* The last opcode */ -#define LAST_INST_OPCODE 162 +#define LAST_INST_OPCODE 163 /* * Table describing the Tcl bytecode instructions: their name (for displaying diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 2b5f713..e994d73 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -4310,10 +4310,18 @@ TEBCresume( TRACE_WITH_OBJ(("\"%.20s\" => ", O2S(OBJ_AT_TOS)), objResultPtr); NEXT_INST_F(1, 1, 1); } - case INST_TCLOO_SELF: { - CallFrame *framePtr = iPtr->varFramePtr; + + /* + * ----------------------------------------------------------------- + * Start of TclOO support instructions. + */ + + { + CallFrame *framePtr; CallContext *contextPtr; + case INST_TCLOO_SELF: + framePtr = iPtr->varFramePtr; if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { TRACE(("=> ERROR: no TclOO call context\n")); @@ -4332,6 +4340,52 @@ TEBCresume( objResultPtr = TclOOObjectName(interp, contextPtr->oPtr); TRACE_WITH_OBJ(("=> "), objResultPtr); NEXT_INST_F(1, 0, 1); + + case INST_TCLOO_NEXT: + opnd = TclGetUInt1AtPtr(pc+1); + framePtr = iPtr->varFramePtr; + if (framePtr == NULL || + !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { + TRACE(("%d => ERROR: no TclOO call context\n", opnd)); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "next may only be called from inside a method", + -1)); + Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL); + goto gotError; + } + contextPtr = framePtr->clientData; + + bcFramePtr->data.tebc.pc = (char *) pc; + iPtr->cmdFramePtr = bcFramePtr; + + if (iPtr->flags & INTERP_DEBUG_FRAME) { + TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, + codePtr, bcFramePtr, pc - codePtr->codeStart); + } + + pcAdjustment = 2; + cleanup = opnd; + DECACHE_STACK_INFO(); + + /* + * BUG BUG BUG BUG BUG BUG BUG BUG BUG BUG BUG BUG BUG BUG + * + * Bug somewhere near here. The iPtr->varFramePtr must be updated as + * below, but TclOONextRestoreFrame (in tclOOBasic.c) seems to be + * unable to restore the frame upon return... + * + * If TclOONextRestoreFrame is wrong for use here (and it might be!) + * it should be copied to this file and adjusted afterwards. It is + * *correct* for its other uses. + */ + + iPtr->varFramePtr = framePtr->callerVarPtr; + TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr, + NULL, NULL, NULL); + pc += pcAdjustment; + TEBC_YIELD(); + return TclNRObjectContextInvokeNext(interp, + (Tcl_ObjectContext) contextPtr, opnd, &OBJ_AT_DEPTH(opnd-1), 1); } { Object *oPtr; @@ -4368,6 +4422,7 @@ TEBCresume( } /* + * End of TclOO support instructions. * ----------------------------------------------------------------- * Start of INST_LIST and related instructions. */ diff --git a/generic/tclInt.h b/generic/tclInt.h index 1d04c82..95f8602 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -2804,6 +2804,7 @@ MODULE_SCOPE Tcl_ObjCmdProc TclNRCoroutineObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldmObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldToObjCmd; +MODULE_SCOPE Tcl_NRPostProc TclOONextRestoreFrame; MODULE_SCOPE void TclSpliceTailcall(Tcl_Interp *interp, struct NRE_callback *tailcallPtr); @@ -3644,6 +3645,9 @@ MODULE_SCOPE int TclCompileNamespaceWhichCmd(Tcl_Interp *interp, MODULE_SCOPE int TclCompileNoOp(Tcl_Interp *interp, Tcl_Parse *parsePtr, Command *cmdPtr, struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileObjectNextCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); MODULE_SCOPE int TclCompileObjectSelfCmd(Tcl_Interp *interp, Tcl_Parse *parsePtr, Command *cmdPtr, struct CompileEnv *envPtr); diff --git a/generic/tclOO.c b/generic/tclOO.c index d6d2d6a..68ed766 100644 --- a/generic/tclOO.c +++ b/generic/tclOO.c @@ -437,10 +437,11 @@ InitFoundation( * ensemble. */ - Tcl_CreateObjCommand(interp, "::oo::Helpers::next", TclOONextObjCmd, NULL, - NULL); - Tcl_CreateObjCommand(interp, "::oo::Helpers::nextto", TclOONextToObjCmd, - NULL, NULL); + cmdPtr = (Command *) Tcl_NRCreateCommand(interp, "::oo::Helpers::next", + NULL, TclOONextObjCmd, NULL, NULL); + cmdPtr->compileProc = TclCompileObjectNextCmd; + Tcl_NRCreateCommand(interp, "::oo::Helpers::nextto", + NULL, TclOONextToObjCmd, NULL, NULL); cmdPtr = (Command *) Tcl_CreateObjCommand(interp, "::oo::Helpers::self", TclOOSelfObjCmd, NULL, NULL); cmdPtr->compileProc = TclCompileObjectSelfCmd; diff --git a/generic/tclOOBasic.c b/generic/tclOOBasic.c index 0676618..cd57063 100644 --- a/generic/tclOOBasic.c +++ b/generic/tclOOBasic.c @@ -25,8 +25,6 @@ static int FinalizeConstruction(ClientData data[], Tcl_Interp *interp, int result); static int FinalizeEval(ClientData data[], Tcl_Interp *interp, int result); -static int RestoreFrame(ClientData data[], - Tcl_Interp *interp, int result); /* * ---------------------------------------------------------------------- @@ -805,7 +803,7 @@ TclOONextObjCmd( * that this is like [uplevel 1] and not [eval]. */ - TclNRAddCallback(interp, RestoreFrame, framePtr, NULL, NULL, NULL); + TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr, NULL,NULL,NULL); iPtr->varFramePtr = framePtr->callerVarPtr; return TclNRObjectContextInvokeNext(interp, context, objc, objv, 1); } @@ -874,8 +872,8 @@ TclOONextToObjCmd( * context. Note that this is like [uplevel 1] and not [eval]. */ - TclNRAddCallback(interp, RestoreFrame, framePtr, contextPtr, - INT2PTR(contextPtr->index), NULL); + TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr, + contextPtr, INT2PTR(contextPtr->index), NULL); contextPtr->index = i-1; iPtr->varFramePtr = framePtr->callerVarPtr; return TclNRObjectContextInvokeNext(interp, @@ -904,8 +902,8 @@ TclOONextToObjCmd( return TCL_ERROR; } -static int -RestoreFrame( +int +TclOONextRestoreFrame( ClientData data[], Tcl_Interp *interp, int result) |