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authordkf <donal.k.fellows@manchester.ac.uk>2013-05-15 10:56:41 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2013-05-15 10:56:41 (GMT)
commit3c57bdf2836715776785db896771e09c365b0b10 (patch)
treecef59568789b56bafd8a894d47c4bd7af013a290 /generic
parent11c5978c7cda0bf46476cb97f0944233d8df8462 (diff)
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Removing a few changes that were not actually needed, and correcting comments.
Diffstat (limited to 'generic')
-rw-r--r--generic/tclAssembly.c2
-rw-r--r--generic/tclCompile.c15
2 files changed, 7 insertions, 10 deletions
diff --git a/generic/tclAssembly.c b/generic/tclAssembly.c
index cd2ad13..fff7b43 100644
--- a/generic/tclAssembly.c
+++ b/generic/tclAssembly.c
@@ -20,7 +20,7 @@
*- break and continue - if exception ranges can be sorted out.
*- foreach_start4, foreach_step4
*- returnImm, returnStk
- *- expandStart, expandStkTop, invokeExpanded, listExpanded
+ *- expandStart, expandStkTop, invokeExpanded
*- dictFirst, dictNext, dictDone
*- dictUpdateStart, dictUpdateEnd
*- jumpTable testing
diff --git a/generic/tclCompile.c b/generic/tclCompile.c
index 6d07189..1d1a680 100644
--- a/generic/tclCompile.c
+++ b/generic/tclCompile.c
@@ -283,8 +283,9 @@ const InstructionDesc const tclInstructionTable[] = {
* NOTE: the stack effects of expandStkTop and invokeExpanded are wrong -
* but it cannot be done right at compile time, the stack effect is only
* known at run time. The value for invokeExpanded is estimated better at
- * compile time. See the comments further down in this file, where
- * INST_INVOKE_EXPANDED is emitted.
+ * compile time.
+ * See the comments further down in this file, where INST_INVOKE_EXPANDED
+ * is emitted.
*/
{"expandStart", 1, 0, 0, {OPERAND_NONE}},
/* Start of command with {*} (expanded) arguments */
@@ -1916,8 +1917,7 @@ TclCompileScript(
parsePtr->commandStart - envPtr->source);
if (parsePtr->numWords > 0) {
- int expand = 0; /* Set to the relevant expansion instruction
- * if there are dynamic expansions to
+ int expand = 0; /* Set if there are dynamic expansions to
* handle */
/*
@@ -1971,7 +1971,7 @@ TclCompileScript(
wordIdx < parsePtr->numWords;
wordIdx++, tokenPtr += tokenPtr->numComponents + 1) {
if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) {
- expand = INST_INVOKE_EXPANDED;
+ expand = 1;
break;
}
}
@@ -2225,12 +2225,9 @@ TclCompileScript(
* Note that the estimates are not correct while the command
* is being prepared and run, INST_EXPAND_STKTOP is not
* stack-neutral in general.
- *
- * The opcode that may be issued here (assumed to be non-zero)
- * is INST_INVOKE_EXPANDED.
*/
- TclEmitOpcode(expand, envPtr);
+ TclEmitOpcode(INST_INVOKE_EXPANDED, envPtr);
TclAdjustStackDepth(1 - wordIdx, envPtr);
} else if (wordIdx > 0) {
/*