github/verilator
1
0
Fork 1
mirror of https://github.com/verilator/verilator.git synced 2025-01-07 15:17:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Internals: Convert to use common string convert routine

Browse Source
This commit is contained in:
Wilson Snyder 2008-06-30 07:10:23 -04:00
parent 09b7ba1317
commit 8c6adeb85a
3 changed files with 14 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
include/verilated.cpp
View File

@ -248,14 +248,24 @@ void _VL_VINT_TO_STRING(int obits, char* destoutp, WDataInP sourcep) {
while (isspace(*(destp-1)) && destp>destoutp) *--destp = '\0'; // Drop trailing spaces
}
IData VL_FGETS_IXQ(int sbits, void* strgp, QData fpq) {
void _VL_STRING_TO_VINT(int obits, void* destp, int srclen, const char* srcp) {
// Convert C string to Verilog format
int bytes = VL_BYTES_I(obits);
char* op = ((char*)(destp));
if (srclen > bytes) srclen = bytes; // Don't overflow destination
int i;
for (i=0; i<srclen; i++) { *op++ = srcp[srclen-1-i]; }
for (; i<bytes; i++) { *op++ = 0; }
}
IData VL_FGETS_IXQ(int obits, void* destp, QData fpq) {
FILE* fp = VL_CVT_Q_FP(fpq);
if (!fp) return 0;
// The string needs to be padded with 0's in unused spaces in front of
// any read data. This means we can't know in what location the first
// character will finally live, so we need to copy. Yuk.
IData bytes = VL_BYTES_I(sbits);
IData bytes = VL_BYTES_I(obits);
char buffer[bytes];
// We don't use fgets, as we must read \0s.
@ -268,11 +278,7 @@ IData VL_FGETS_IXQ(int sbits, void* strgp, QData fpq) {
if (c=='\n') break;
}
// Convert to Verilog format
char* op = ((char*)(strgp));
IData i;
for (i=0; i<got; i++) { *op++ = buffer[got-1-i]; }
for (; i<bytes; i++) { *op++ = 0; }
_VL_STRING_TO_VINT(obits, destp, got, buffer);
return got;
}

15
include/verilated.h
View File

@ -200,21 +200,6 @@ inline const char* VL_VALUE_FORMATTED_I(int obits, char fmt, bool drop0, IData l
/// File I/O
extern IData VL_FGETS_IXQ(int sbits, void* strgp, QData fpq);
inline IData VL_FGETS_IIQ(int, int bits, int, CData& strg, QData fpq) {
return VL_FGETS_IXQ(bits, &strg, fpq);
}
inline IData VL_FGETS_IIQ(int, int bits, int, SData& strg, QData fpq) {
return VL_FGETS_IXQ(bits, &strg, fpq);
}
inline IData VL_FGETS_IIQ(int, int bits, int, IData& strg, QData fpq) {
return VL_FGETS_IXQ(bits, &strg, fpq);
}
inline IData VL_FGETS_IQQ(int, int bits, int, QData& strg, QData fpq) {
return VL_FGETS_IXQ(bits, &strg, fpq);
}
inline IData VL_FGETS_IWQ(int, int bits, int, WDataOutP strgp, QData fpq) {
return VL_FGETS_IXQ(bits, strgp, fpq);
}
extern QData VL_FOPEN_WI(int fnwords, WDataInP ofilename, IData mode);
extern QData VL_FOPEN_QI(QData ofilename, IData mode);

2
src/V3AstNodes.h
View File

@ -2721,7 +2721,7 @@ struct AstFGetS : public AstNodeBiop {
virtual void accept(AstNVisitor& v, AstNUser* vup=NULL) { v.visit(this,vup); }
virtual void numberOperate(V3Number& out, const V3Number& lhs, const V3Number& rhs) { V3ERROR_NA; }
virtual string emitVerilog() { return "%k$fgets(%l,%r)"; }
virtual string emitC() { return "VL_FGETS_%nq%lq%rq(%nw,%lw,%rw, %P, %li, %ri)"; }
virtual string emitC() { return "VL_FGETS_%nqX%rq(%lw, %P, &(%li), %ri)"; }
virtual bool cleanOut() {return false;}
virtual bool cleanLhs() {return true;} virtual bool cleanRhs() {return true;}
virtual bool sizeMattersLhs() {return false;} virtual bool sizeMattersRhs() {return false;}