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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2014-02-04 09:02:23 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2014-02-04 09:02:23 (GMT) |
| commit | a72ae0f931f9ac8a78ef7b78f854ae68e66f9dd1 (patch) | |
| tree | 9c768c5a542df4343084438ea39ffe92de951832 /generic | |
| parent | dc81fd618b33c6e9c6b8fa4b9595229ce3809f01 (diff) | |
| download | tcl-a72ae0f931f9ac8a78ef7b78f854ae68e66f9dd1.zip tcl-a72ae0f931f9ac8a78ef7b78f854ae68e66f9dd1.tar.gz tcl-a72ae0f931f9ac8a78ef7b78f854ae68e66f9dd1.tar.bz2 | |
make the printing of source much less inclined to be fazed by non-ASCII chars
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclCompile.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/generic/tclCompile.c b/generic/tclCompile.c index c5d0107..347e3f0 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -5318,7 +5318,7 @@ PrintSourceToObj( int maxChars) /* Maximum number of chars to print. */ { register const char *p; - register int i = 0; + register int i = 0, len; if (stringPtr == NULL) { Tcl_AppendToObj(appendObj, "\"\"", -1); @@ -5327,32 +5327,50 @@ PrintSourceToObj( Tcl_AppendToObj(appendObj, "\"", -1); p = stringPtr; - for (; (*p != '\0') && (i < maxChars); p++, i++) { - switch (*p) { + for (; (*p != '\0') && (i < maxChars); p+=len) { + Tcl_UniChar ch; + + len = TclUtfToUniChar(p, &ch); + switch (ch) { case '"': Tcl_AppendToObj(appendObj, "\\\"", -1); + i += 2; continue; case '\f': Tcl_AppendToObj(appendObj, "\\f", -1); + i += 2; continue; case '\n': Tcl_AppendToObj(appendObj, "\\n", -1); + i += 2; continue; case '\r': Tcl_AppendToObj(appendObj, "\\r", -1); + i += 2; continue; case '\t': Tcl_AppendToObj(appendObj, "\\t", -1); + i += 2; continue; case '\v': Tcl_AppendToObj(appendObj, "\\v", -1); + i += 2; continue; default: - Tcl_AppendPrintfToObj(appendObj, "%c", *p); + if (ch < 0x20 || ch >= 0x7f) { + Tcl_AppendPrintfToObj(appendObj, "\\u%04x", ch); + i += 6; + } else { + Tcl_AppendPrintfToObj(appendObj, "%c", ch); + i++; + } continue; } } Tcl_AppendToObj(appendObj, "\"", -1); + if (*p != '\0') { + Tcl_AppendToObj(appendObj, "...", -1); + } } #ifdef TCL_COMPILE_STATS |