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| author | Joseph Myers <jsm28@cam.ac.uk> | 2001-04-02 08:39:39 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2001-04-02 08:39:39 +0100 |
| commit | c6955d85188d84404ae1fdfe594e59166d90b755 (patch) | |
| tree | 06f7a1594a30b9dd940e2b610258f680a185ce64 | |
| parent | 6c13e193585479d2159ccb3184b801adc0dc85a3 (diff) | |
| download | gcc-c6955d85188d84404ae1fdfe594e59166d90b755.zip gcc-c6955d85188d84404ae1fdfe594e59166d90b755.tar.gz gcc-c6955d85188d84404ae1fdfe594e59166d90b755.tar.bz2 | |
* c-tree.texi: Document representation of wide strings.
From-SVN: r40998
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/c-tree.texi | 10 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0ce5d26..424b4c7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi: Document representation of wide strings. + 2001-04-01 Richard Henderson <rth@redhat.com> * except.h (expand_builtin_dwarf_fp_regnum): Declare. diff --git a/gcc/c-tree.texi b/gcc/c-tree.texi index c62070a..820fc41 100644 --- a/gcc/c-tree.texi +++ b/gcc/c-tree.texi @@ -1868,7 +1868,15 @@ embedded @code{NUL} characters. Therefore, the @code{TREE_STRING_LENGTH} includes the trailing @code{NUL} if it is present. -FIXME: How are wide strings represented? +For wide string constants, the @code{TREE_STRING_LENGTH} is the number +of wide characters in the string, and the @code{TREE_STRING_POINTER} +points to an array of the bytes of the string, as represented on the +target system (that is, as integers in the target endianness). Wide and +non-wide string constants are distinguished only by the @code{TREE_TYPE} +of the @code{STRING_CST}. + +FIXME: The formats of string constants are not well-defined when the +target system bytes are not the same width as host system bytes. @item PTRMEM_CST These nodes are used to represent pointer-to-member constants. The |