diff options
Diffstat (limited to 'Src/math.c')
-rw-r--r-- | Src/math.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/Src/math.c b/Src/math.c index 12c8d6f6b..d97dae238 100644 --- a/Src/math.c +++ b/Src/math.c @@ -352,6 +352,8 @@ getmathparam(struct mathvalue *mptr) } return zero_mnumber; } + if (errflag) + return zero_mnumber; } result = getnumvalue(mptr->pval); if (isset(FORCEFLOAT) && result.type == MN_INTEGER) { @@ -641,7 +643,9 @@ zzlex(void) return MINUSEQ; } if (unary) { - if (idigit(*ptr) || *ptr == '.') { + if (idigit(*ptr) || + (*ptr == '.' && + (idigit(ptr[1]) || !itype_end(ptr, INAMESPC, 0)))) { int ctype = lexconstant(); if (ctype == NUM) { @@ -835,7 +839,9 @@ zzlex(void) case Dnull: break; default: - if (idigit(*--ptr) || *ptr == '.') + if (idigit(*--ptr) || + (*ptr == '.' && + (idigit(ptr[1]) || !itype_end(ptr, INAMESPC, 0)))) return lexconstant(); if (*ptr == '#') { if (*++ptr == '\\' || *ptr == '#') { @@ -857,7 +863,7 @@ zzlex(void) } cct = 1; } - if ((ie = itype_end(ptr, IIDENT, 0)) != ptr) { + if ((ie = itype_end(ptr, INAMESPC, 0)) != ptr) { int func = 0; char *p; @@ -1363,8 +1369,11 @@ op(int what) } spval = &stack[sp].val; - if (stack[sp].val.type == MN_UNSET) + if (stack[sp].val.type == MN_UNSET) { *spval = getmathparam(stack + sp); + if (errflag) + return; + } switch (what) { case NOT: if (spval->type & MN_FLOAT) { @@ -1548,21 +1557,32 @@ checkunary(int mtokc, char *mptr) errmsg = 2; } if (errmsg) { - int len, over = 0; + int len = 0, over = 0; char *errtype = errmsg == 2 ? "operator" : "operand"; while (inblank(*mptr)) mptr++; - len = ztrlen(mptr); - if (len > 10) { - len = 10; - over = 1; + if (isset(MULTIBYTE)) + MB_CHARINIT(); + while (over < 10 && mptr[len]) { + if (isset(MULTIBYTE)) + len += MB_METACHARLEN(mptr+len); + else + len += (mptr[len] == Meta ? 2 : 1); + ++over; + } + if ((over = mptr[len])) { + mptr = dupstring(mptr); + if (mptr[len] == Meta) + mptr[len+1] = 0; + else + mptr[len] = 0; } if (!*mptr) zerr("bad math expression: %s expected at end of string", errtype); else - zerr("bad math expression: %s expected at `%l%s'", - errtype, mptr, len, over ? "..." : ""); + zerr("bad math expression: %s expected at `%s%s'", + errtype, mptr, over ? "..." : ""); } unary = !(tp & OP_OPF); } |