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-rw-r--r--generic/tclAssembly.c6
-rw-r--r--generic/tclBasic.c23
-rw-r--r--generic/tclCmdMZ.c2
-rw-r--r--generic/tclCompCmds.c4
-rw-r--r--generic/tclCompCmdsGR.c25
-rw-r--r--generic/tclCompCmdsSZ.c358
-rw-r--r--generic/tclCompile.c38
-rw-r--r--generic/tclCompile.h46
-rw-r--r--generic/tclExecute.c461
-rw-r--r--generic/tclInt.h10
-rw-r--r--generic/tclOO.c3
-rw-r--r--generic/tclOOBasic.c41
-rw-r--r--generic/tclProc.c72
-rw-r--r--tests/coroutine.test92
14 files changed, 1033 insertions, 148 deletions
diff --git a/generic/tclAssembly.c b/generic/tclAssembly.c
index 89c286a..d5dbb9a 100644
--- a/generic/tclAssembly.c
+++ b/generic/tclAssembly.c
@@ -26,6 +26,7 @@
*- jumpTable testing
*- syntax (?)
*- returnCodeBranch
+ *- tclooNext, tclooNextClass
*/
#include "tclInt.h"
@@ -437,6 +438,7 @@ static const TalInstDesc TalInstructionTable[] = {
{"nop", ASSEM_1BYTE, INST_NOP, 0, 0},
{"not", ASSEM_1BYTE, INST_LNOT, 1, 1},
{"nsupvar", ASSEM_LVT4, INST_NSUPVAR, 2, 1},
+ {"numericType", ASSEM_1BYTE, INST_NUM_TYPE, 1, 1},
{"originCmd", ASSEM_1BYTE, INST_ORIGIN_COMMAND, 1, 1},
{"over", ASSEM_OVER, INST_OVER, INT_MIN,-1-1},
{"pop", ASSEM_1BYTE, INST_POP, 1, 0},
@@ -477,6 +479,7 @@ static const TalInstDesc TalInstructionTable[] = {
{"tclooIsObject", ASSEM_1BYTE, INST_TCLOO_IS_OBJECT, 1, 1},
{"tclooNamespace", ASSEM_1BYTE, INST_TCLOO_NS, 1, 1},
{"tclooSelf", ASSEM_1BYTE, INST_TCLOO_SELF, 0, 1},
+ {"tryCvtToBoolean", ASSEM_1BYTE, INST_TRY_CVT_TO_BOOLEAN,1, 2},
{"tryCvtToNumeric", ASSEM_1BYTE, INST_TRY_CVT_TO_NUMERIC,1, 1},
{"uminus", ASSEM_1BYTE, INST_UMINUS, 1, 1},
{"unset", ASSEM_BOOL_LVT4,INST_UNSET_SCALAR, 0, 0},
@@ -516,7 +519,8 @@ static const unsigned char NonThrowingByteCodes[] = {
INST_RESOLVE_COMMAND, /* 154 */
INST_STR_TRIM, INST_STR_TRIM_LEFT, INST_STR_TRIM_RIGHT, /* 166-168 */
INST_CONCAT_STK, /* 169 */
- INST_STR_UPPER, INST_STR_LOWER, INST_STR_TITLE /* 170-172 */
+ INST_STR_UPPER, INST_STR_LOWER, INST_STR_TITLE, /* 170-172 */
+ INST_NUM_TYPE /* 180 */
};
/*
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 6cb1eb4..2f0ba01 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -259,7 +259,7 @@ static const CmdInfo builtInCmds[] = {
{"variable", Tcl_VariableObjCmd, TclCompileVariableCmd, NULL, CMD_IS_SAFE},
{"while", Tcl_WhileObjCmd, TclCompileWhileCmd, TclNRWhileObjCmd, CMD_IS_SAFE},
{"yield", NULL, TclCompileYieldCmd, TclNRYieldObjCmd, CMD_IS_SAFE},
- {"yieldto", NULL, NULL, TclNRYieldToObjCmd, CMD_IS_SAFE},
+ {"yieldto", NULL, TclCompileYieldToCmd, TclNRYieldToObjCmd, CMD_IS_SAFE},
/*
* Commands in the OS-interface. Note that many of these are unsafe.
@@ -8416,8 +8416,7 @@ TclNRYieldToObjCmd(
{
CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;
Tcl_Obj *listPtr, *nsObjPtr;
- Tcl_Namespace *nsPtr = (Tcl_Namespace *) iPtr->varFramePtr->nsPtr;
- Tcl_Namespace *ns1Ptr;
+ Tcl_Namespace *nsPtr = TclGetCurrentNamespace(interp);
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "command ?arg ...?");
@@ -8431,11 +8430,13 @@ TclNRYieldToObjCmd(
return TCL_ERROR;
}
- /*
- * Add the tailcall in the caller env, then just yield.
- *
- * This is essentially code from TclNRTailcallObjCmd
- */
+ if (((Namespace *) nsPtr)->flags & NS_DYING) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "yieldto called in deleted namespace", -1));
+ Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "YIELDTO_IN_DELETED",
+ NULL);
+ return TCL_ERROR;
+ }
/*
* Add the tailcall in the caller env, then just yield.
@@ -8444,15 +8445,9 @@ TclNRYieldToObjCmd(
*/
listPtr = Tcl_NewListObj(objc, objv);
-
nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);
- if ((TCL_OK != TclGetNamespaceFromObj(interp, nsObjPtr, &ns1Ptr))
- || (nsPtr != ns1Ptr)) {
- Tcl_Panic("yieldto failed to find the proper namespace");
- }
TclListObjSetElement(interp, listPtr, 0, nsObjPtr);
-
/*
* Add the callback in the caller's env, then instruct TEBC to yield.
*/
diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c
index d477216..e4020dd 100644
--- a/generic/tclCmdMZ.c
+++ b/generic/tclCmdMZ.c
@@ -3299,7 +3299,7 @@ TclInitStringCmd(
{"equal", StringEqualCmd, TclCompileStringEqualCmd, NULL, NULL, 0},
{"first", StringFirstCmd, TclCompileStringFirstCmd, NULL, NULL, 0},
{"index", StringIndexCmd, TclCompileStringIndexCmd, NULL, NULL, 0},
- {"is", StringIsCmd, NULL, NULL, NULL, 0},
+ {"is", StringIsCmd, TclCompileStringIsCmd, NULL, NULL, 0},
{"last", StringLastCmd, TclCompileStringLastCmd, NULL, NULL, 0},
{"length", StringLenCmd, TclCompileStringLenCmd, NULL, NULL, 0},
{"map", StringMapCmd, TclCompileStringMapCmd, NULL, NULL, 0},
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c
index 05b6d07..d1d7a80 100644
--- a/generic/tclCompCmds.c
+++ b/generic/tclCompCmds.c
@@ -278,7 +278,7 @@ TclCompileArraySetCmd(
if (isDataValid && !isDataEven) {
PushStringLiteral(envPtr, "list must have an even number of elements");
- PushStringLiteral(envPtr, "-errorCode {TCL ARGUMENT FORMAT}");
+ PushStringLiteral(envPtr, "-errorcode {TCL ARGUMENT FORMAT}");
TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR, envPtr);
TclEmitInt4( 0, envPtr);
goto done;
@@ -373,7 +373,7 @@ TclCompileArraySetCmd(
offsetFwd = CurrentOffset(envPtr);
TclEmitInstInt1(INST_JUMP_FALSE1, 0, envPtr);
PushStringLiteral(envPtr, "list must have an even number of elements");
- PushStringLiteral(envPtr, "-errorCode {TCL ARGUMENT FORMAT}");
+ PushStringLiteral(envPtr, "-errorcode {TCL ARGUMENT FORMAT}");
TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR, envPtr);
TclEmitInt4( 0, envPtr);
TclAdjustStackDepth(-1, envPtr);
diff --git a/generic/tclCompCmdsGR.c b/generic/tclCompCmdsGR.c
index 3de773d..539f934 100644
--- a/generic/tclCompCmdsGR.c
+++ b/generic/tclCompCmdsGR.c
@@ -3197,6 +3197,31 @@ TclCompileObjectNextCmd(
}
int
+TclCompileObjectNextToCmd(
+ 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 < 2 || 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_CLASS, i, envPtr);
+ return TCL_OK;
+}
+
+int
TclCompileObjectSelfCmd(
Tcl_Interp *interp, /* Used for error reporting. */
Tcl_Parse *parsePtr, /* Points to a parse structure for the command
diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c
index 0f2790f..639b4a5 100644
--- a/generic/tclCompCmdsSZ.c
+++ b/generic/tclCompCmdsSZ.c
@@ -425,6 +425,284 @@ TclCompileStringIndexCmd(
}
int
+TclCompileStringIsCmd(
+ 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 = TokenAfter(parsePtr->tokenPtr);
+ static const char *const isClasses[] = {
+ "alnum", "alpha", "ascii", "control",
+ "boolean", "digit", "double", "entier",
+ "false", "graph", "integer", "list",
+ "lower", "print", "punct", "space",
+ "true", "upper", "wideinteger", "wordchar",
+ "xdigit", NULL
+ };
+ enum isClasses {
+ STR_IS_ALNUM, STR_IS_ALPHA, STR_IS_ASCII, STR_IS_CONTROL,
+ STR_IS_BOOL, STR_IS_DIGIT, STR_IS_DOUBLE, STR_IS_ENTIER,
+ STR_IS_FALSE, STR_IS_GRAPH, STR_IS_INT, STR_IS_LIST,
+ STR_IS_LOWER, STR_IS_PRINT, STR_IS_PUNCT, STR_IS_SPACE,
+ STR_IS_TRUE, STR_IS_UPPER, STR_IS_WIDE, STR_IS_WORD,
+ STR_IS_XDIGIT
+ };
+ int t, range, allowEmpty = 0, end;
+ InstStringClassType strClassType;
+ Tcl_Obj *isClass;
+
+ if (parsePtr->numWords < 3 || parsePtr->numWords > 6) {
+ return TCL_ERROR;
+ }
+ isClass = Tcl_NewObj();
+ if (!TclWordKnownAtCompileTime(tokenPtr, isClass)) {
+ Tcl_DecrRefCount(isClass);
+ return TCL_ERROR;
+ } else if (Tcl_GetIndexFromObj(interp, isClass, isClasses, "class", 0,
+ &t) != TCL_OK) {
+ Tcl_DecrRefCount(isClass);
+ TclCompileSyntaxError(interp, envPtr);
+ return TCL_OK;
+ }
+ Tcl_DecrRefCount(isClass);
+
+#define GotLiteral(tokenPtr, word) \
+ ((tokenPtr)->type == TCL_TOKEN_SIMPLE_WORD && \
+ (tokenPtr)[1].size > 1 && \
+ (tokenPtr)[1].start[0] == word[0] && \
+ strncmp((tokenPtr)[1].start, (word), (tokenPtr)[1].size) == 0)
+
+ /*
+ * Cannot handle the -failindex option at all, and that's the only legal
+ * way to have more than 4 arguments.
+ */
+
+ if (parsePtr->numWords != 3 && parsePtr->numWords != 4) {
+ return TCL_ERROR;
+ }
+
+ tokenPtr = TokenAfter(tokenPtr);
+ if (parsePtr->numWords == 3) {
+ allowEmpty = 1;
+ } else {
+ if (!GotLiteral(tokenPtr, "-strict")) {
+ return TCL_ERROR;
+ }
+ tokenPtr = TokenAfter(tokenPtr);
+ }
+#undef GotLiteral
+
+ /*
+ * Compile the code. There are several main classes of check here.
+ * 1. Character classes
+ * 2. Booleans
+ * 3. Integers
+ * 4. Floats
+ * 5. Lists
+ */
+
+ CompileWord(envPtr, tokenPtr, interp, parsePtr->numWords-1);
+
+ switch ((enum isClasses) t) {
+ case STR_IS_ALNUM:
+ strClassType = STR_CLASS_ALNUM;
+ goto compileStrClass;
+ case STR_IS_ALPHA:
+ strClassType = STR_CLASS_ALPHA;
+ goto compileStrClass;
+ case STR_IS_ASCII:
+ strClassType = STR_CLASS_ASCII;
+ goto compileStrClass;
+ case STR_IS_CONTROL:
+ strClassType = STR_CLASS_CONTROL;
+ goto compileStrClass;
+ case STR_IS_DIGIT:
+ strClassType = STR_CLASS_DIGIT;
+ goto compileStrClass;
+ case STR_IS_GRAPH:
+ strClassType = STR_CLASS_GRAPH;
+ goto compileStrClass;
+ case STR_IS_LOWER:
+ strClassType = STR_CLASS_LOWER;
+ goto compileStrClass;
+ case STR_IS_PRINT:
+ strClassType = STR_CLASS_PRINT;
+ goto compileStrClass;
+ case STR_IS_PUNCT:
+ strClassType = STR_CLASS_PUNCT;
+ goto compileStrClass;
+ case STR_IS_SPACE:
+ strClassType = STR_CLASS_SPACE;
+ goto compileStrClass;
+ case STR_IS_UPPER:
+ strClassType = STR_CLASS_UPPER;
+ goto compileStrClass;
+ case STR_IS_WORD:
+ strClassType = STR_CLASS_WORD;
+ goto compileStrClass;
+ case STR_IS_XDIGIT:
+ strClassType = STR_CLASS_XDIGIT;
+ compileStrClass:
+ if (allowEmpty) {
+ OP1( STR_CLASS, strClassType);
+ } else {
+ int over, over2;
+
+ OP( DUP);
+ OP1( STR_CLASS, strClassType);
+ JUMP1( JUMP_TRUE, over);
+ OP( POP);
+ PUSH( "0");
+ JUMP1( JUMP, over2);
+ FIXJUMP1(over);
+ PUSH( "");
+ OP( STR_NEQ);
+ FIXJUMP1(over2);
+ }
+ return TCL_OK;
+
+ case STR_IS_BOOL:
+ case STR_IS_FALSE:
+ case STR_IS_TRUE:
+ OP( TRY_CVT_TO_BOOLEAN);
+ switch (t) {
+ int over, over2;
+
+ case STR_IS_BOOL:
+ if (allowEmpty) {
+ JUMP1( JUMP_TRUE, over);
+ PUSH( "");
+ OP( STR_EQ);
+ JUMP1( JUMP, over2);
+ FIXJUMP1(over);
+ OP( POP);
+ PUSH( "1");
+ FIXJUMP1(over2);
+ } else {
+ OP4( REVERSE, 2);
+ OP( POP);
+ }
+ return TCL_OK;
+ case STR_IS_TRUE:
+ JUMP1( JUMP_TRUE, over);
+ if (allowEmpty) {
+ PUSH( "");
+ OP( STR_EQ);
+ } else {
+ OP( POP);
+ PUSH( "0");
+ }
+ FIXJUMP1( over);
+ OP( LNOT);
+ OP( LNOT);
+ return TCL_OK;
+ case STR_IS_FALSE:
+ JUMP1( JUMP_TRUE, over);
+ if (allowEmpty) {
+ PUSH( "");
+ OP( STR_NEQ);
+ } else {
+ OP( POP);
+ PUSH( "1");
+ }
+ FIXJUMP1( over);
+ OP( LNOT);
+ return TCL_OK;
+ }
+
+ case STR_IS_DOUBLE: {
+ int satisfied, isEmpty;
+
+ if (allowEmpty) {
+ OP( DUP);
+ PUSH( "");
+ OP( STR_EQ);
+ JUMP1( JUMP_TRUE, isEmpty);
+ OP( NUM_TYPE);
+ JUMP1( JUMP_TRUE, satisfied);
+ PUSH( "0");
+ JUMP1( JUMP, end);
+ FIXJUMP1( isEmpty);
+ OP( POP);
+ FIXJUMP1( satisfied);
+ } else {
+ OP( NUM_TYPE);
+ JUMP1( JUMP_TRUE, satisfied);
+ PUSH( "0");
+ JUMP1( JUMP, end);
+ TclAdjustStackDepth(-1, envPtr);
+ FIXJUMP1( satisfied);
+ }
+ PUSH( "1");
+ FIXJUMP1( end);
+ return TCL_OK;
+ }
+
+ case STR_IS_INT:
+ case STR_IS_WIDE:
+ case STR_IS_ENTIER:
+ if (allowEmpty) {
+ int testNumType;
+
+ OP( DUP);
+ OP( NUM_TYPE);
+ OP( DUP);
+ JUMP1( JUMP_TRUE, testNumType);
+ OP( POP);
+ PUSH( "");
+ OP( STR_EQ);
+ JUMP1( JUMP, end);
+ TclAdjustStackDepth(1, envPtr);
+ FIXJUMP1( testNumType);
+ OP4( REVERSE, 2);
+ OP( POP);
+ } else {
+ OP( NUM_TYPE);
+ OP( DUP);
+ JUMP1( JUMP_FALSE, end);
+ }
+
+ switch (t) {
+ case STR_IS_INT:
+ PUSH( "1");
+ OP( EQ);
+ break;
+ case STR_IS_WIDE:
+ PUSH( "2");
+ OP( LE);
+ break;
+ case STR_IS_ENTIER:
+ PUSH( "3");
+ OP( LE);
+ break;
+ }
+ FIXJUMP1( end);
+ return TCL_OK;
+
+ case STR_IS_LIST:
+ range = TclCreateExceptRange(CATCH_EXCEPTION_RANGE, envPtr);
+ OP4( BEGIN_CATCH4, range);
+ ExceptionRangeStarts(envPtr, range);
+ OP( DUP);
+ OP( LIST_LENGTH);
+ OP( POP);
+ ExceptionRangeEnds(envPtr, range);
+ ExceptionRangeTarget(envPtr, range, catchOffset);
+ OP( POP);
+ OP( PUSH_RETURN_CODE);
+ OP( END_CATCH);
+ OP( LNOT);
+ return TCL_OK;
+ }
+
+ return TclCompileBasicMin0ArgCmd(interp, parsePtr, cmdPtr, envPtr);
+}
+
+int
TclCompileStringMatchCmd(
Tcl_Interp *interp, /* Used for error reporting. */
Tcl_Parse *parsePtr, /* Points to a parse structure for the command
@@ -939,6 +1217,41 @@ TclCompileStringToTitleCmd(
}
/*
+ * Support definitions for the [string is] compilation.
+ */
+
+static int
+UniCharIsAscii(
+ int character)
+{
+ return (character >= 0) && (character < 0x80);
+}
+
+static int
+UniCharIsHexDigit(
+ int character)
+{
+ return (character >= 0) && (character < 0x80) && isxdigit(character);
+}
+
+StringClassDesc const tclStringClassTable[] = {
+ {"alnum", Tcl_UniCharIsAlnum},
+ {"alpha", Tcl_UniCharIsAlpha},
+ {"ascii", UniCharIsAscii},
+ {"control", Tcl_UniCharIsControl},
+ {"digit", Tcl_UniCharIsDigit},
+ {"graph", Tcl_UniCharIsGraph},
+ {"lower", Tcl_UniCharIsLower},
+ {"print", Tcl_UniCharIsPrint},
+ {"punct", Tcl_UniCharIsPunct},
+ {"space", Tcl_UniCharIsSpace},
+ {"upper", Tcl_UniCharIsUpper},
+ {"word", Tcl_UniCharIsWordChar},
+ {"xdigit", UniCharIsHexDigit},
+ {NULL, NULL}
+};
+
+/*
*----------------------------------------------------------------------
*
* TclCompileSubstCmd --
@@ -3447,6 +3760,51 @@ TclCompileYieldCmd(
/*
*----------------------------------------------------------------------
*
+ * TclCompileYieldToCmd --
+ *
+ * Procedure called to compile the "yieldto" command.
+ *
+ * Results:
+ * Returns TCL_OK for a successful compile. Returns TCL_ERROR to defer
+ * evaluation to runtime.
+ *
+ * Side effects:
+ * Instructions are added to envPtr to execute the "yieldto" command at
+ * runtime.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TclCompileYieldToCmd(
+ 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 = TokenAfter(parsePtr->tokenPtr);
+ int i;
+
+ if (parsePtr->numWords < 2) {
+ return TCL_ERROR;
+ }
+
+ OP( NS_CURRENT);
+ for (i = 1 ; i < parsePtr->numWords ; i++) {
+ CompileWord(envPtr, tokenPtr, interp, i);
+ tokenPtr = TokenAfter(tokenPtr);
+ }
+ OP4( LIST, i);
+ OP( YIELD_TO_INVOKE);
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
* CompileUnaryOpCmd --
*
* Utility routine to compile the unary operator commands.
diff --git a/generic/tclCompile.c b/generic/tclCompile.c
index ee67e24..c5d0107 100644
--- a/generic/tclCompile.c
+++ b/generic/tclCompile.c
@@ -618,8 +618,37 @@ InstructionDesc const tclInstructionTable[] = {
* Stack: ... cmdName => ... fullOriginalCmdName */
{"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. */
+ /* Call the next item on the TclOO call chain, passing opnd arguments
+ * (min 1, max 255, *includes* "next"). The result of the invoked
+ * method implementation will be pushed on the stack in place of the
+ * arguments (similar to invokeStk).
+ * Stack: ... "next" arg2 arg3 -- argN => ... result */
+ {"tclooNextClass", 2, INT_MIN, 1, {OPERAND_UINT1}},
+ /* Call the following item on the TclOO call chain defined by class
+ * className, passing opnd arguments (min 2, max 255, *includes*
+ * "nextto" and the class name). The result of the invoked method
+ * implementation will be pushed on the stack in place of the
+ * arguments (similar to invokeStk).
+ * Stack: ... "nextto" className arg3 arg4 -- argN => ... result */
+
+ {"yieldToInvoke", 1, 0, 0, {OPERAND_NONE}},
+ /* Makes the current coroutine yield the value at the top of the
+ * stack, invoking the given command/args with resolution in the given
+ * namespace (all packed into a list), and places the list of values
+ * that are the response back on top of the stack when it resumes.
+ * Stack: ... [list ns cmd arg1 ... argN] => ... resumeList */
+
+ {"numericType", 1, 0, 0, {OPERAND_NONE}},
+ /* Pushes the numeric type code of the word at the top of the stack.
+ * Stack: ... value => ... typeCode */
+ {"tryCvtToBoolean", 1, +1, 0, {OPERAND_NONE}},
+ /* Try converting stktop to boolean if possible. No errors.
+ * Stack: ... value => ... value isStrictBool */
+ {"strclass", 2, 0, 1, {OPERAND_SCLS1}},
+ /* See if all the characters of the given string are a member of the
+ * specified (by opnd) character class. Note that an empty string will
+ * satisfy the class check (standard definition of "all").
+ * Stack: ... stringValue => ... boolean */
{NULL, 0, 0, 0, {OPERAND_NONE}}
};
@@ -5068,6 +5097,11 @@ FormatInstruction(
}
Tcl_AppendPrintfToObj(bufferObj, "%%v%u ", (unsigned) opnd);
break;
+ case OPERAND_SCLS1:
+ opnd = TclGetUInt1AtPtr(pc+numBytes); numBytes++;
+ Tcl_AppendPrintfToObj(bufferObj, "%s ",
+ tclStringClassTable[opnd].name);
+ break;
case OPERAND_NONE:
default:
break;
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index 6ecadf4..5665ca9 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -791,9 +791,16 @@ typedef struct ByteCode {
#define INST_ORIGIN_COMMAND 178
#define INST_TCLOO_NEXT 179
+#define INST_TCLOO_NEXT_CLASS 180
+
+#define INST_YIELD_TO_INVOKE 181
+
+#define INST_NUM_TYPE 182
+#define INST_TRY_CVT_TO_BOOLEAN 183
+#define INST_STR_CLASS 184
/* The last opcode */
-#define LAST_INST_OPCODE 179
+#define LAST_INST_OPCODE 184
/*
* Table describing the Tcl bytecode instructions: their name (for displaying
@@ -818,8 +825,9 @@ typedef enum InstOperandType {
* variable table. */
OPERAND_LVT4, /* Four byte unsigned index into the local
* variable table. */
- OPERAND_AUX4 /* Four byte unsigned index into the aux data
+ OPERAND_AUX4, /* Four byte unsigned index into the aux data
* table. */
+ OPERAND_SCLS1 /* Index into tclStringClassTable. */
} InstOperandType;
typedef struct InstructionDesc {
@@ -838,6 +846,40 @@ typedef struct InstructionDesc {
MODULE_SCOPE InstructionDesc const tclInstructionTable[];
/*
+ * Constants used by INST_STRING_CLASS to indicate character classes. These
+ * correspond closely by name with what [string is] can support, but there is
+ * no requirement to keep the values the same.
+ */
+
+typedef enum InstStringClassType {
+ STR_CLASS_ALNUM, /* Unicode alphabet or digit characters. */
+ STR_CLASS_ALPHA, /* Unicode alphabet characters. */
+ STR_CLASS_ASCII, /* Characters in range U+000000..U+00007F. */
+ STR_CLASS_CONTROL, /* Unicode control characters. */
+ STR_CLASS_DIGIT, /* Unicode digit characters. */
+ STR_CLASS_GRAPH, /* Unicode printing characters, excluding
+ * space. */
+ STR_CLASS_LOWER, /* Unicode lower-case alphabet characters. */
+ STR_CLASS_PRINT, /* Unicode printing characters, including
+ * spaces. */
+ STR_CLASS_PUNCT, /* Unicode punctuation characters. */
+ STR_CLASS_SPACE, /* Unicode space characters. */
+ STR_CLASS_UPPER, /* Unicode upper-case alphabet characters. */
+ STR_CLASS_WORD, /* Unicode word (alphabetic, digit, connector
+ * punctuation) characters. */
+ STR_CLASS_XDIGIT /* Characters that can be used as digits in
+ * hexadecimal numbers ([0-9A-Fa-f]). */
+} InstStringClassType;
+
+typedef struct StringClassDesc {
+ const char *name; /* Name of the class. */
+ int (*comparator)(int); /* Function to test if a single unicode
+ * character is a member of the class. */
+} StringClassDesc;
+
+MODULE_SCOPE StringClassDesc const tclStringClassTable[];
+
+/*
* Compilation of some Tcl constructs such as if commands and the logical or
* (||) and logical and (&&) operators in expressions requires the generation
* of forward jumps. Since the PC target of these jumps isn't known when the
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 65d6e89..58d85e1 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -174,28 +174,24 @@ static BuiltinFunc const tclBuiltinFuncTable[] = {
typedef struct TEBCdata {
ByteCode *codePtr; /* Constant until the BC returns */
/* -----------------------------------------*/
- const unsigned char *pc; /* These fields are used on return TO this */
- ptrdiff_t *catchTop; /* this level: they record the state when a */
- int cleanup; /* new codePtr was received for NR */
- Tcl_Obj *auxObjList; /* execution. */
- CmdFrame cmdFrame;
+ ptrdiff_t *catchTop; /* These fields are used on return TO this */
+ Tcl_Obj *auxObjList; /* this level: they record the state when a */
+ CmdFrame cmdFrame; /* new codePtr was received for NR */
+ /* execution. */
void *stack[1]; /* Start of the actual combined catch and obj
* stacks; the struct will be expanded as
* necessary */
} TEBCdata;
#define TEBC_YIELD() \
- do { \
- esPtr->tosPtr = tosPtr; \
- TD->pc = pc; \
- TD->cleanup = cleanup; \
- TclNRAddCallback(interp, TEBCresume, TD, INT2PTR(1), NULL, NULL); \
+ do { \
+ esPtr->tosPtr = tosPtr; \
+ TclNRAddCallback(interp, TEBCresume, \
+ TD, pc, INT2PTR(cleanup), NULL); \
} while (0)
#define TEBC_DATA_DIG() \
do { \
- pc = TD->pc; \
- cleanup = TD->cleanup; \
tosPtr = esPtr->tosPtr; \
} while (0)
@@ -804,7 +800,8 @@ static Tcl_Obj ** StackAllocWords(Tcl_Interp *interp, int numWords);
static Tcl_Obj ** StackReallocWords(Tcl_Interp *interp, int numWords);
static Tcl_NRPostProc CopyCallback;
static Tcl_NRPostProc ExprObjCallback;
-
+static Tcl_NRPostProc FinalizeOONext;
+static Tcl_NRPostProc FinalizeOONextFilter;
static Tcl_NRPostProc TEBCresume;
/*
@@ -2000,6 +1997,41 @@ TclIncrObj(
/*
*----------------------------------------------------------------------
*
+ * ArgumentBCEnter --
+ *
+ * This is a helper for TclNRExecuteByteCode/TEBCresume that encapsulates
+ * a code sequence that is fairly common in the code but *not* commonly
+ * called.
+ *
+ * Results:
+ * None
+ *
+ * Side effects:
+ * May register information about the bytecode in the command frame.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+ArgumentBCEnter(
+ Tcl_Interp *interp,
+ ByteCode *codePtr,
+ TEBCdata *tdPtr,
+ const unsigned char *pc,
+ int objc,
+ Tcl_Obj **objv)
+{
+ int cmd;
+
+ if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
+ TclArgumentBCEnter(interp, objv, objc, codePtr, &tdPtr->cmdFrame, cmd,
+ pc - codePtr->codeStart);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
* TclNRExecuteByteCode --
*
* This procedure executes the instructions of a ByteCode structure. It
@@ -2032,10 +2064,6 @@ TclNRExecuteByteCode(
* sizeof(void *);
int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *);
- if (iPtr->execEnvPtr->rewind) {
- return TCL_ERROR;
- }
-
codePtr->refCount++;
/*
@@ -2054,9 +2082,7 @@ TclNRExecuteByteCode(
esPtr->tosPtr = initTosPtr;
TD->codePtr = codePtr;
- TD->pc = codePtr->codeStart;
TD->catchTop = initCatchTop;
- TD->cleanup = 0;
TD->auxObjList = NULL;
/*
@@ -2086,8 +2112,8 @@ TclNRExecuteByteCode(
* Push the callback for bytecode execution
*/
- TclNRAddCallback(interp, TEBCresume, TD, /*resume*/ INT2PTR(0),
- NULL, NULL);
+ TclNRAddCallback(interp, TEBCresume, TD, /* pc */ NULL,
+ /* cleanup */ INT2PTR(0), NULL);
return TCL_OK;
}
@@ -2150,7 +2176,8 @@ TEBCresume(
Tcl_Obj **tosPtr; /* Cached pointer to top of evaluation
* stack. */
- const unsigned char *pc; /* The current program counter. */
+ const unsigned char *pc = data[1];
+ /* The current program counter. */
unsigned char inst; /* The currently running instruction */
/*
@@ -2158,7 +2185,7 @@ TEBCresume(
* executing an instruction.
*/
- int cleanup = 0;
+ int cleanup = PTR2INT(data[2]);
Tcl_Obj *objResultPtr;
int checkInterp; /* Indicates when a check of interp readyness
* is necessary. Set by CACHE_STACK_INFO() */
@@ -2186,16 +2213,17 @@ TEBCresume(
TEBC_DATA_DIG();
#ifdef TCL_COMPILE_DEBUG
- if (!data[1] && (tclTraceExec >= 2)) {
+ if (!pc && (tclTraceExec >= 2)) {
PrintByteCodeInfo(codePtr);
fprintf(stdout, " Starting stack top=%d\n", (int) CURR_DEPTH);
fflush(stdout);
}
#endif
- if (!data[1]) {
+ if (!pc) {
/* bytecode is starting from scratch */
checkInterp = 0;
+ pc = codePtr->codeStart;
goto cleanup0;
} else {
/* resume from invocation */
@@ -2213,7 +2241,7 @@ TEBCresume(
}
iPtr->cmdFramePtr = bcFramePtr->nextPtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- TclArgumentBCRelease((Tcl_Interp *) iPtr, bcFramePtr);
+ TclArgumentBCRelease(interp, bcFramePtr);
}
if (codePtr->flags & TCL_BYTECODE_RECOMPILE) {
iPtr->flags |= ERR_ALREADY_LOGGED;
@@ -2466,9 +2494,12 @@ TEBCresume(
TRACE_APPEND(("\n"));
goto processExceptionReturn;
- case INST_YIELD: {
- CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;
+ {
+ CoroutineData *corPtr;
+ int yieldParameter;
+ case INST_YIELD:
+ corPtr = iPtr->execEnvPtr->corPtr;
TRACE(("%.30s => ", O2S(OBJ_AT_TOS)));
if (!corPtr) {
TRACE_APPEND(("ERROR: yield outside coroutine\n"));
@@ -2482,11 +2513,74 @@ TEBCresume(
}
#ifdef TCL_COMPILE_DEBUG
- TRACE_WITH_OBJ(("yield, result="), iPtr->objResultPtr);
- if (traceInstructions) {
- fprintf(stdout, "\n");
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ TRACE_APPEND(("YIELD...\n"));
+ } else {
+ fprintf(stdout, "%d: (%u) yielding value \"%.30s\"\n",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart),
+ Tcl_GetString(OBJ_AT_TOS));
+ }
+ fflush(stdout);
}
#endif
+ yieldParameter = 0;
+ Tcl_SetObjResult(interp, OBJ_AT_TOS);
+ goto doYield;
+
+ case INST_YIELD_TO_INVOKE:
+ corPtr = iPtr->execEnvPtr->corPtr;
+ valuePtr = OBJ_AT_TOS;
+ if (!corPtr) {
+ TRACE(("[%.30s] => ERROR: yield outside coroutine\n",
+ O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "yieldto can only be called in a coroutine", -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ILLEGAL_YIELD",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ if (((Namespace *)TclGetCurrentNamespace(interp))->flags & NS_DYING) {
+ TRACE(("[%.30s] => ERROR: yield in deleted\n",
+ O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "yieldto called in deleted namespace", -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "YIELDTO_IN_DELETED",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
+#ifdef TCL_COMPILE_DEBUG
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ TRACE(("[%.30s] => YIELD...\n", O2S(valuePtr)));
+ } else {
+ /* FIXME: What is the right thing to trace? */
+ fprintf(stdout, "%d: (%u) yielding to [%.30s]\n",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart),
+ Tcl_GetString(valuePtr));
+ }
+ fflush(stdout);
+ }
+#endif
+
+ /*
+ * Install a tailcall record in the caller and continue with the
+ * yield. The yield is switched into multi-return mode (via the
+ * 'yieldParameter').
+ */
+
+ Tcl_IncrRefCount(valuePtr);
+ iPtr->execEnvPtr = corPtr->callerEEPtr;
+ TclSetTailcall(interp, valuePtr);
+ iPtr->execEnvPtr = corPtr->eePtr;
+ yieldParameter = (PTR2INT(NULL)+1); /*==CORO_ACTIVATE_YIELDM*/
+
+ doYield:
/* TIP #280: Record the last piece of info needed by
* 'TclGetSrcInfoForPc', and push the frame.
*/
@@ -2495,21 +2589,14 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
pc++;
cleanup = 1;
TEBC_YIELD();
-
- Tcl_SetObjResult(interp, OBJ_AT_TOS);
TclNRAddCallback(interp, TclNRCoroutineActivateCallback, corPtr,
- INT2PTR(0), NULL, NULL);
-
+ INT2PTR(yieldParameter), NULL, NULL);
return TCL_OK;
}
@@ -2529,6 +2616,7 @@ TEBCresume(
}
#ifdef TCL_COMPILE_DEBUG
+ /* FIXME: What is the right thing to trace? */
{
register int i;
@@ -2969,11 +3057,7 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
DECACHE_STACK_INFO();
@@ -3118,11 +3202,7 @@ TEBCresume(
bcFramePtr->data.tebc.pc = (char *) pc;
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
iPtr->ensembleRewrite.sourceObjs = objv;
iPtr->ensembleRewrite.numRemovedObjs = opnd;
@@ -4520,8 +4600,10 @@ TEBCresume(
*/
{
+ Object *oPtr;
CallFrame *framePtr;
CallContext *contextPtr;
+ int skip, newDepth;
case INST_TCLOO_SELF:
framePtr = iPtr->varFramePtr;
@@ -4546,9 +4628,111 @@ TEBCresume(
TRACE_WITH_OBJ(("=> "), objResultPtr);
NEXT_INST_F(1, 0, 1);
+ case INST_TCLOO_NEXT_CLASS:
+ opnd = TclGetUInt1AtPtr(pc+1);
+ framePtr = iPtr->varFramePtr;
+ valuePtr = OBJ_AT_DEPTH(opnd - 2);
+ objv = &OBJ_AT_DEPTH(opnd - 1);
+ skip = 2;
+ TRACE(("%d => ", opnd));
+ if (framePtr == NULL ||
+ !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) {
+ TRACE_APPEND(("ERROR: no TclOO call context\n"));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "nextto may only be called from inside a method",
+ -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ contextPtr = framePtr->clientData;
+
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, valuePtr);
+ if (oPtr == NULL) {
+ TRACE_APPEND(("ERROR: \"%.30s\" not object\n", O2S(valuePtr)));
+ goto gotError;
+ } else {
+ Class *classPtr = oPtr->classPtr;
+ struct MInvoke *miPtr;
+ int i;
+ const char *methodType;
+
+ if (classPtr == NULL) {
+ TRACE_APPEND(("ERROR: \"%.30s\" not class\n", O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "\"%s\" is not a class", TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_REQUIRED", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
+ for (i=contextPtr->index+1 ; i<contextPtr->callPtr->numChain ; i++) {
+ miPtr = contextPtr->callPtr->chain + i;
+ if (!miPtr->isFilter &&
+ miPtr->mPtr->declaringClassPtr == classPtr) {
+ newDepth = i;
+#ifdef TCL_COMPILE_DEBUG
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ strncpy(cmdNameBuf, TclGetString(objv[0]), 20);
+ } else {
+ fprintf(stdout, "%d: (%u) invoking ",
+ iPtr->numLevels,
+ (unsigned)(pc - codePtr->codeStart));
+ }
+ for (i = 0; i < opnd; i++) {
+ TclPrintObject(stdout, objv[i], 15);
+ fprintf(stdout, " ");
+ }
+ fprintf(stdout, "\n");
+ fflush(stdout);
+ }
+#endif /*TCL_COMPILE_DEBUG*/
+ goto doInvokeNext;
+ }
+ }
+
+ if (contextPtr->callPtr->flags & CONSTRUCTOR) {
+ methodType = "constructor";
+ } else if (contextPtr->callPtr->flags & DESTRUCTOR) {
+ methodType = "destructor";
+ } else {
+ methodType = "method";
+ }
+
+ TRACE_APPEND(("ERROR: \"%.30s\" not on reachable chain\n",
+ O2S(valuePtr)));
+ for (i=contextPtr->index ; i>=0 ; i--) {
+ miPtr = contextPtr->callPtr->chain + i;
+ if (miPtr->isFilter
+ || miPtr->mPtr->declaringClassPtr != classPtr) {
+ continue;
+ }
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "%s implementation by \"%s\" not reachable from here",
+ methodType, TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_REACHABLE",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "%s has no non-filter implementation by \"%s\"",
+ methodType, TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_THERE", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
case INST_TCLOO_NEXT:
opnd = TclGetUInt1AtPtr(pc+1);
+ objv = &OBJ_AT_DEPTH(opnd - 1);
framePtr = iPtr->varFramePtr;
+ skip = 1;
TRACE(("%d => ", opnd));
if (framePtr == NULL ||
!(framePtr->isProcCallFrame & FRAME_IS_METHOD)) {
@@ -4563,15 +4747,57 @@ TEBCresume(
}
contextPtr = framePtr->clientData;
+ newDepth = contextPtr->index + 1;
+ if (newDepth >= contextPtr->callPtr->numChain) {
+ /*
+ * We're at the end of the chain; generate an error message unless
+ * the interpreter is being torn down, in which case we might be
+ * getting here because of methods/destructors doing a [next] (or
+ * equivalent) unexpectedly.
+ */
+
+ const char *methodType;
+
+ if (contextPtr->callPtr->flags & CONSTRUCTOR) {
+ methodType = "constructor";
+ } else if (contextPtr->callPtr->flags & DESTRUCTOR) {
+ methodType = "destructor";
+ } else {
+ methodType = "method";
+ }
+
+ TRACE_APPEND(("ERROR: no TclOO next impl\n"));
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "no next %s implementation", methodType));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "NOTHING_NEXT", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+#ifdef TCL_COMPILE_DEBUG
+ } else if (tclTraceExec >= 2) {
+ int i;
+
+ if (traceInstructions) {
+ strncpy(cmdNameBuf, TclGetString(objv[0]), 20);
+ } else {
+ fprintf(stdout, "%d: (%u) invoking ",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart));
+ }
+ for (i = 0; i < opnd; i++) {
+ TclPrintObject(stdout, objv[i], 15);
+ fprintf(stdout, " ");
+ }
+ fprintf(stdout, "\n");
+ fflush(stdout);
+#endif /*TCL_COMPILE_DEBUG*/
+ }
+
+ doInvokeNext:
bcFramePtr->data.tebc.pc = (char *) pc;
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, opnd, objv);
}
pcAdjustment = 2;
@@ -4580,14 +4806,33 @@ TEBCresume(
iPtr->varFramePtr = framePtr->callerVarPtr;
pc += pcAdjustment;
TEBC_YIELD();
- TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr,
- NULL, NULL, NULL);
- /* TODO: consider merging another layer of processing */
- return TclNRObjectContextInvokeNext(interp,
- (Tcl_ObjectContext) contextPtr, opnd, &OBJ_AT_DEPTH(opnd-1), 1);
- }
- {
- Object *oPtr;
+
+ oPtr = contextPtr->oPtr;
+ if (oPtr->flags & FILTER_HANDLING) {
+ TclNRAddCallback(interp, FinalizeOONextFilter,
+ framePtr, contextPtr, INT2PTR(contextPtr->index),
+ INT2PTR(contextPtr->skip));
+ } else {
+ TclNRAddCallback(interp, FinalizeOONext,
+ framePtr, contextPtr, INT2PTR(contextPtr->index),
+ INT2PTR(contextPtr->skip));
+ }
+ contextPtr->skip = skip;
+ contextPtr->index = newDepth;
+ if (contextPtr->callPtr->chain[newDepth].isFilter
+ || contextPtr->callPtr->flags & FILTER_HANDLING) {
+ oPtr->flags |= FILTER_HANDLING;
+ } else {
+ oPtr->flags &= ~FILTER_HANDLING;
+ }
+
+ {
+ register Method *const mPtr =
+ contextPtr->callPtr->chain[newDepth].mPtr;
+
+ return mPtr->typePtr->callProc(mPtr->clientData, interp,
+ (Tcl_ObjectContext) contextPtr, opnd, objv);
+ }
case INST_TCLOO_IS_OBJECT:
oPtr = (Object *) Tcl_GetObjectFromObj(interp, OBJ_AT_TOS);
@@ -5565,6 +5810,25 @@ TEBCresume(
TclNewIntObj(objResultPtr, match);
NEXT_INST_F(1, 2, 1);
+
+ case INST_STR_CLASS:
+ opnd = TclGetInt1AtPtr(pc+1);
+ valuePtr = OBJ_AT_TOS;
+ TRACE(("%s \"%.30s\" => ", tclStringClassTable[opnd].name,
+ O2S(valuePtr)));
+ ustring1 = Tcl_GetUnicodeFromObj(valuePtr, &length);
+ match = 1;
+ if (length > 0) {
+ end = ustring1 + length;
+ for (p=ustring1 ; p<end ; p++) {
+ if (!tclStringClassTable[opnd].comparator(*p)) {
+ match = 0;
+ break;
+ }
+ }
+ }
+ TRACE_APPEND(("%d\n", match));
+ JUMP_PEEPHOLE_F(match, 2, 1);
}
case INST_STR_MATCH:
@@ -5699,6 +5963,14 @@ TEBCresume(
int type1, type2;
long l1, l2, lResult;
+ case INST_NUM_TYPE:
+ if (GetNumberFromObj(NULL, OBJ_AT_TOS, &ptr1, &type1) != TCL_OK) {
+ type1 = 0;
+ }
+ TclNewIntObj(objResultPtr, type1);
+ TRACE(("\"%.20s\" => %d\n", O2S(OBJ_AT_TOS), type1));
+ NEXT_INST_F(1, 1, 1);
+
case INST_EQ:
case INST_NEQ:
case INST_LT:
@@ -6376,6 +6648,17 @@ TEBCresume(
* -----------------------------------------------------------------
*/
+ case INST_TRY_CVT_TO_BOOLEAN:
+ valuePtr = OBJ_AT_TOS;
+ if (valuePtr->typePtr == &tclBooleanType) {
+ objResultPtr = TCONST(1);
+ } else {
+ int result = (TclSetBooleanFromAny(NULL, valuePtr) == TCL_OK);
+ objResultPtr = TCONST(result);
+ }
+ TRACE_WITH_OBJ(("\"%.30s\" => ", O2S(valuePtr)), objResultPtr);
+ NEXT_INST_F(1, 0, 1);
+
case INST_BREAK:
/*
DECACHE_STACK_INFO();
@@ -7755,6 +8038,58 @@ TEBCresume(
#undef auxObjList
#undef catchTop
#undef TCONST
+
+static int
+FinalizeOONext(
+ ClientData data[],
+ Tcl_Interp *interp,
+ int result)
+{
+ Interp *iPtr = (Interp *) interp;
+ CallContext *contextPtr = data[1];
+
+ /*
+ * Reset the variable lookup frame.
+ */
+
+ iPtr->varFramePtr = data[0];
+
+ /*
+ * Restore the call chain context index as we've finished the inner invoke
+ * and want to operate in the outer context again.
+ */
+
+ contextPtr->index = PTR2INT(data[2]);
+ contextPtr->skip = PTR2INT(data[3]);
+ contextPtr->oPtr->flags &= ~FILTER_HANDLING;
+ return result;
+}
+
+static int
+FinalizeOONextFilter(
+ ClientData data[],
+ Tcl_Interp *interp,
+ int result)
+{
+ Interp *iPtr = (Interp *) interp;
+ CallContext *contextPtr = data[1];
+
+ /*
+ * Reset the variable lookup frame.
+ */
+
+ iPtr->varFramePtr = data[0];
+
+ /*
+ * Restore the call chain context index as we've finished the inner invoke
+ * and want to operate in the outer context again.
+ */
+
+ contextPtr->index = PTR2INT(data[2]);
+ contextPtr->skip = PTR2INT(data[3]);
+ contextPtr->oPtr->flags |= FILTER_HANDLING;
+ return result;
+}
/*
*----------------------------------------------------------------------
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 0ed2140..a559c37 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -2734,7 +2734,6 @@ MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldmObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldToObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRInvoke;
-MODULE_SCOPE Tcl_NRPostProc TclOONextRestoreFrame;
MODULE_SCOPE void TclSetTailcall(Tcl_Interp *interp, Tcl_Obj *tailcallPtr);
MODULE_SCOPE void TclPushTailcallPoint(Tcl_Interp *interp);
@@ -3596,6 +3595,9 @@ MODULE_SCOPE int TclCompileNoOp(Tcl_Interp *interp,
MODULE_SCOPE int TclCompileObjectNextCmd(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
struct CompileEnv *envPtr);
+MODULE_SCOPE int TclCompileObjectNextToCmd(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);
@@ -3623,6 +3625,9 @@ MODULE_SCOPE int TclCompileStringFirstCmd(Tcl_Interp *interp,
MODULE_SCOPE int TclCompileStringIndexCmd(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
struct CompileEnv *envPtr);
+MODULE_SCOPE int TclCompileStringIsCmd(Tcl_Interp *interp,
+ Tcl_Parse *parsePtr, Command *cmdPtr,
+ struct CompileEnv *envPtr);
MODULE_SCOPE int TclCompileStringLastCmd(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
struct CompileEnv *envPtr);
@@ -3689,6 +3694,9 @@ MODULE_SCOPE int TclCompileWhileCmd(Tcl_Interp *interp,
MODULE_SCOPE int TclCompileYieldCmd(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
struct CompileEnv *envPtr);
+MODULE_SCOPE int TclCompileYieldToCmd(Tcl_Interp *interp,
+ Tcl_Parse *parsePtr, Command *cmdPtr,
+ struct CompileEnv *envPtr);
MODULE_SCOPE int TclCompileBasic0ArgCmd(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
struct CompileEnv *envPtr);
diff --git a/generic/tclOO.c b/generic/tclOO.c
index 9a0682d..de00733 100644
--- a/generic/tclOO.c
+++ b/generic/tclOO.c
@@ -440,8 +440,9 @@ InitFoundation(
cmdPtr = (Command *) Tcl_NRCreateCommand(interp, "::oo::Helpers::next",
NULL, TclOONextObjCmd, NULL, NULL);
cmdPtr->compileProc = TclCompileObjectNextCmd;
- Tcl_NRCreateCommand(interp, "::oo::Helpers::nextto",
+ cmdPtr = (Command *) Tcl_NRCreateCommand(interp, "::oo::Helpers::nextto",
NULL, TclOONextToObjCmd, NULL, NULL);
+ cmdPtr->compileProc = TclCompileObjectNextToCmd;
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 49c917b..0b0516b 100644
--- a/generic/tclOOBasic.c
+++ b/generic/tclOOBasic.c
@@ -17,14 +17,11 @@
#include "tclOOInt.h"
static inline Tcl_Object *AddConstructionFinalizer(Tcl_Interp *interp);
-static int AfterNRDestructor(ClientData data[],
- Tcl_Interp *interp, int result);
-static int DecrRefsPostClassConstructor(ClientData data[],
- Tcl_Interp *interp, int result);
-static int FinalizeConstruction(ClientData data[],
- Tcl_Interp *interp, int result);
-static int FinalizeEval(ClientData data[],
- Tcl_Interp *interp, int result);
+static Tcl_NRPostProc AfterNRDestructor;
+static Tcl_NRPostProc DecrRefsPostClassConstructor;
+static Tcl_NRPostProc FinalizeConstruction;
+static Tcl_NRPostProc FinalizeEval;
+static Tcl_NRPostProc NextRestoreFrame;
/*
* ----------------------------------------------------------------------
@@ -806,7 +803,7 @@ TclOONextObjCmd(
* that this is like [uplevel 1] and not [eval].
*/
- TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr, NULL,NULL,NULL);
+ TclNRAddCallback(interp, NextRestoreFrame, framePtr, NULL,NULL,NULL);
iPtr->varFramePtr = framePtr->callerVarPtr;
return TclNRObjectContextInvokeNext(interp, context, objc, objv, 1);
}
@@ -824,6 +821,7 @@ TclOONextToObjCmd(
CallContext *contextPtr;
int i;
Tcl_Object object;
+ const char *methodType;
/*
* Start with sanity checks on the calling context to make sure that we
@@ -875,7 +873,7 @@ TclOONextToObjCmd(
* context. Note that this is like [uplevel 1] and not [eval].
*/
- TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr,
+ TclNRAddCallback(interp, NextRestoreFrame, framePtr,
contextPtr, INT2PTR(contextPtr->index), NULL);
contextPtr->index = i-1;
iPtr->varFramePtr = framePtr->callerVarPtr;
@@ -889,24 +887,35 @@ TclOONextToObjCmd(
* is on the chain but unreachable, or not on the chain at all.
*/
+ if (contextPtr->callPtr->flags & CONSTRUCTOR) {
+ methodType = "constructor";
+ } else if (contextPtr->callPtr->flags & DESTRUCTOR) {
+ methodType = "destructor";
+ } else {
+ methodType = "method";
+ }
+
for (i=contextPtr->index ; i>=0 ; i--) {
struct MInvoke *miPtr = contextPtr->callPtr->chain + i;
if (!miPtr->isFilter && miPtr->mPtr->declaringClassPtr == classPtr) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "method implementation by \"%s\" not reachable from here",
- TclGetString(objv[1])));
+ "%s implementation by \"%s\" not reachable from here",
+ methodType, TclGetString(objv[1])));
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_REACHABLE",
+ NULL);
return TCL_ERROR;
}
}
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "method has no non-filter implementation by \"%s\"",
- TclGetString(objv[1])));
+ "%s has no non-filter implementation by \"%s\"",
+ methodType, TclGetString(objv[1])));
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_THERE", NULL);
return TCL_ERROR;
}
-int
-TclOONextRestoreFrame(
+static int
+NextRestoreFrame(
ClientData data[],
Tcl_Interp *interp,
int result)
diff --git a/generic/tclProc.c b/generic/tclProc.c
index 1314719..ce1c767 100644
--- a/generic/tclProc.c
+++ b/generic/tclProc.c
@@ -1855,9 +1855,39 @@ InterpProcNR2(
}
/*
- * Process the result code.
+ * Free the stack-allocated compiled locals and CallFrame. It is important
+ * to pop the call frame without freeing it first: the compiledLocals
+ * cannot be freed before the frame is popped, as the local variables must
+ * be deleted. But the compiledLocals must be freed first, as they were
+ * allocated later on the stack.
*/
+ if (result != TCL_OK) {
+ goto process;
+ }
+
+ done:
+ if (TCL_DTRACE_PROC_RESULT_ENABLED()) {
+ int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0;
+ Tcl_Obj *r = Tcl_GetObjResult(interp);
+
+ TCL_DTRACE_PROC_RESULT(l < iPtr->varFramePtr->objc ?
+ TclGetString(iPtr->varFramePtr->objv[l]) : NULL, result,
+ TclGetString(r), r);
+ }
+
+ freePtr = iPtr->framePtr;
+ Tcl_PopCallFrame(interp); /* Pop but do not free. */
+ TclStackFree(interp, freePtr->compiledLocals);
+ /* Free compiledLocals. */
+ TclStackFree(interp, freePtr); /* Free CallFrame. */
+ return result;
+
+ /*
+ * Process any non-TCL_OK result code.
+ */
+
+ process:
switch (result) {
case TCL_RETURN:
/*
@@ -1892,46 +1922,8 @@ InterpProcNR2(
*/
errorProc(interp, procNameObj);
-
- default:
- /*
- * Process other results (OK and non-standard) by doing nothing
- * special, skipping directly to the code afterwards that cleans up
- * associated memory.
- *
- * Non-standard results are processed by passing them through quickly.
- * This means they all work as exceptions, unwinding the stack quickly
- * and neatly. Who knows how well they are handled by third-party code
- * though...
- */
-
- (void) 0; /* do nothing */
- }
-
- if (TCL_DTRACE_PROC_RESULT_ENABLED()) {
- int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0;
- Tcl_Obj *r = Tcl_GetObjResult(interp);
-
- TCL_DTRACE_PROC_RESULT(l < iPtr->varFramePtr->objc ?
- TclGetString(iPtr->varFramePtr->objv[l]) : NULL, result,
- TclGetString(r), r);
}
-
- /*
- * Free the stack-allocated compiled locals and CallFrame. It is important
- * to pop the call frame without freeing it first: the compiledLocals
- * cannot be freed before the frame is popped, as the local variables must
- * be deleted. But the compiledLocals must be freed first, as they were
- * allocated later on the stack.
- */
-
- freePtr = iPtr->framePtr;
- Tcl_PopCallFrame(interp); /* Pop but do not free. */
- TclStackFree(interp, freePtr->compiledLocals);
- /* Free compiledLocals. */
- TclStackFree(interp, freePtr); /* Free CallFrame. */
-
- return result;
+ goto done;
}
/*
diff --git a/tests/coroutine.test b/tests/coroutine.test
index a360fd5..05b58c9 100644
--- a/tests/coroutine.test
+++ b/tests/coroutine.test
@@ -1,4 +1,4 @@
-# Commands covered: coroutine, yield, [info coroutine]
+# Commands covered: coroutine, yield, yieldto, [info coroutine]
#
# This file contains a collection of tests for experimental commands that are
# found in ::tcl::unsupported. The tests will migrate to normal test files
@@ -612,7 +612,6 @@ test coroutine-7.3 {yielding between coroutines} -body {
} -cleanup {
catch {rename juggler ""}
} -result {{{a b c d e} ::j1 {a b c d} ::j2 {a b c} ::j3 {a b} ::j1 a ::j2} {} {} {}}
-
test coroutine-7.4 {Bug 8ff0cb9fe1} -setup {
proc foo {a b} {catch yield; return 1}
} -cleanup {
@@ -620,7 +619,6 @@ test coroutine-7.4 {Bug 8ff0cb9fe1} -setup {
} -body {
coroutine demo lsort -command foo {a b}
} -result {b a}
-
test coroutine-7.5 {return codes} {
set result {}
foreach code {0 1 2 3 4 5} {
@@ -628,14 +626,12 @@ test coroutine-7.5 {return codes} {
}
set result
} {0 1 2 3 4 5}
-
test coroutine-7.6 {Early yield crashes} {
proc foo args {}
trace add execution foo enter {catch yield}
coroutine demo foo
rename foo {}
} {}
-
test coroutine-7.7 {Bug 2486550} -setup {
interp hide {} yield
} -body {
@@ -644,6 +640,92 @@ test coroutine-7.7 {Bug 2486550} -setup {
demo
interp expose {} yield
} -result ok
+test coroutine-7.8 {yieldto context nuke: Bug a90d9331bc} -setup {
+ namespace eval cotest {}
+ set ::result ""
+} -body {
+ proc cotest::body {} {
+ lappend ::result a
+ yield OUT
+ lappend ::result b
+ yieldto ::return -level 0 123
+ lappend ::result c
+ return
+ }
+ lappend ::result [coroutine cotest cotest::body]
+ namespace delete cotest
+ namespace eval cotest {}
+ lappend ::result [cotest]
+ cotest
+ return $result
+} -returnCodes error -cleanup {
+ catch {namespace delete ::cotest}
+ catch {rename cotest ""}
+} -result {yieldto called in deleted namespace}
+test coroutine-7.9 {yieldto context nuke: Bug a90d9331bc} -setup {
+ namespace eval cotest {}
+ set ::result ""
+} -body {
+ proc cotest::body {} {
+ set y ::yieldto
+ lappend ::result a
+ yield OUT
+ lappend ::result b
+ $y ::return -level 0 123
+ lappend ::result c
+ return
+ }
+ lappend ::result [coroutine cotest cotest::body]
+ namespace delete cotest
+ namespace eval cotest {}
+ lappend ::result [cotest]
+ cotest
+ return $result
+} -returnCodes error -cleanup {
+ catch {namespace delete ::cotest}
+ catch {rename cotest ""}
+} -result {yieldto called in deleted namespace}
+test coroutine-7.10 {yieldto context nuke: Bug a90d9331bc} -setup {
+ namespace eval cotest {}
+ set ::result ""
+} -body {
+ proc cotest::body {} {
+ lappend ::result a
+ yield OUT
+ lappend ::result b
+ yieldto ::return -level 0 -cotest [namespace delete ::cotest] 123
+ lappend ::result c
+ return
+ }
+ lappend ::result [coroutine cotest cotest::body]
+ lappend ::result [cotest]
+ cotest
+ return $result
+} -returnCodes error -cleanup {
+ catch {namespace delete ::cotest}
+ catch {rename cotest ""}
+} -result {yieldto called in deleted namespace}
+test coroutine-7.11 {yieldto context nuke: Bug a90d9331bc} -setup {
+ namespace eval cotest {}
+ set ::result ""
+} -body {
+ proc cotest::body {} {
+ set y ::yieldto
+ lappend ::result a
+ yield OUT
+ lappend ::result b
+ $y ::return -level 0 -cotest [namespace delete ::cotest] 123
+ lappend ::result c
+ return
+ }
+ lappend ::result [coroutine cotest cotest::body]
+ lappend ::result [cotest]
+ cotest
+ return $result
+} -returnCodes error -cleanup {
+ catch {namespace delete ::cotest}
+ catch {rename cotest ""}
+} -result {yieldto called in deleted namespace}
# cleanup