summaryrefslogtreecommitdiffstats
path: root/src/vhdlscanner.l
diff options
context:
space:
mode:
Diffstat (limited to 'src/vhdlscanner.l')
-rw-r--r--src/vhdlscanner.l175
1 files changed, 100 insertions, 75 deletions
diff --git a/src/vhdlscanner.l b/src/vhdlscanner.l
index 1fd68d4..b279dd6 100644
--- a/src/vhdlscanner.l
+++ b/src/vhdlscanner.l
@@ -15,9 +15,8 @@
/******************************************************************************
* Parser for VHDL subset
* written by M. Kreis
- * supports VHDL-87
- * does not support all keywords of VHDL '93 (impure function/shared variables ..)
- * and VHDL-AMS
+ * supports VHDL-87/93
+ * does not support VHDL-AMS
******************************************************************************/
%{
@@ -76,6 +75,7 @@ static int isBody=0;
static int isFunc=0;
static int yyLineNr = 1;
static char * g_buf = 0;
+static uint g_bufSize = 0;
static int iTextCounter = 0;
static int iCounter = 0;
static int bropen = 0;
@@ -121,6 +121,19 @@ static void bufferClear()
static void addText (char *word, int llen)
{
+ if ((uint)(iCounter + llen) > g_bufSize)
+ {
+ char *pTmp = (char*)realloc(g_buf,iCounter+llen+2048);
+ if (pTmp)
+ {
+ g_buf = pTmp;
+ }
+ else
+ {
+ fprintf(stderr,"\n not enough memory for realloc\n");
+ return;
+ }
+ }
while (llen>0)
{
g_buf[iCounter]=*word++;
@@ -211,6 +224,10 @@ void getType(Entry* p,char* text)
{
p->spec=VhdlDocGen::GROUP;
}
+ else if (stricmp(name.data(),"alias" )==0)
+ {
+ p->spec=VhdlDocGen::ALIAS;
+ }
else
{
err("wrong type");
@@ -494,16 +511,16 @@ void parserInit()
VhdlDocGen::init();
}
- uint SSIZE=inputFile.size()+1024;
+ g_bufSize=inputFile.size()+1024;
if (g_buf==0) free(g_buf);
- g_buf=(char*)(calloc(SSIZE,sizeof(char)));
+ g_buf=(char*)(calloc(g_bufSize,sizeof(char)));
if (g_buf==0)
{
fprintf(stderr,"\n no enough memory");
return;
}
- g_buf[SSIZE-1]='\0';
+ g_buf[g_bufSize-1]='\0';
}
bool VHDLLanguageScanner::needsPreprocessing(const QCString &)
@@ -575,19 +592,17 @@ CR [\r\n]
BR [ \t\n\r]
LETTER [a-zA-Z_0-9]
NAME {LETTER}[a-zA-Z0-9_.]*
-FUNCNAME [a-zA-Z"][*+\-_a-zA-Z0-9"\/]*
+FUNCNAME [a-zA-Z"][*+\-_a-zA-Z0-9"\/=<>]*
DIGITS [0-9]+|[0-9]+"."[0-9]+|[0-9]+"#"[0-9_a-fA-F\+\.]+"#"
COMMENT "--"[^\n]*
LABELID [a-z_A-Z][^\;]*";"({B}*{COMMENT})*
PROTO [ (]*
TEXTT "--"[^\/\@\*\#][^\n]*
-
-ENDE ({BR}*("end"){BR}*[;]{1})
+PROC ("function"|"procedure")
+ENDE ({BR}*("end"){BR}*{PROC}*{BR}*[;]{1})
ENDEFF ("if"|"case"|"loop"|"generate"){BR}*[;]
-
-ENDE3 {BR}*[^a-zA-Z]("end"){BR}+{FUNCNAME}{BR}*[;]
-ENDFUNC {B}*"end"{BR}+"function"{BR}+{FUNCNAME}{BR}*[;]
-
+ENDE3 ({BR}*("end"){BR}*{PROC}*{BR}*{FUNCNAME}{BR}*[;])|(ENDE)
+ENDFUNC {B}*"end"{BR}*{PROC}*{BR}*{FUNCNAME}{BR}*[;]
FUNCIMPURE "impure"|"pure"
FUNCPROC ^{B}*{FUNCIMPURE}*{BR}*("function"|"procedure"){B}*
ARCHITECTURE ("architecture"){BR}+{NAME}{BR}*("of")
@@ -597,16 +612,17 @@ ARCHITECTURE ("architecture"){BR}+{NAME}{BR}*("of")
*/
PROCESS ({B}*{FUNCNAME}{B}*:{BR}*)?({B}*("postponed"){BR}+)?{B}*("process"){BR}*{PROTO}
-ENDPROCESS ("end"){BR}*("process")
+ENDPROCESS ("end"){BR}*("postponed")*("process"){BR}*{FUNCNAME}*{BR}*[;]
LIBUSE ^{B}*("use"|"library"){BR}+
ENTITY ^{B}*("component"|"entity"|"package"){BR}+
PBODY ("package"){B}+("body"){BR}+{NAME}
SHARED ("shared"){BR}+("variable")
-SIGTYPES ^{B}*({SHARED}|"file"|"group"|"subtype"|"type"|"constant"|"attribute"|"signal"|"units"){BR}+
+SIGTYPES ^{B}*({SHARED}|"alias"|"file"|"group"|"subtype"|"type"|"constant"|"attribute"|"signal"|"units"){BR}+
+CONFIG ("configuration"){BR}+{NAME}{BR}*("of"){BR}+{NAME}{BR}+"is"
ALLTYPESMAP {B}*[_a-zA-ZA_Z0-9. ]*{B}*
-MAPCOMPONENT ({ALLTYPESMAP}{BR}*[:]{BR}*{ALLTYPESMAP}{BR}*("port"|"generic"){BR}+("map"){BR}*("("){1})
+MAPCOMPONENT ({ALLTYPESMAP}{BR}*[:]{BR}*{ALLTYPESMAP}{BR}*{TEXTT}*{BR}*("port"|"generic"){BR}+("map"){BR}*("("){1})
BRACEOPEN [(]{1}
BRACECLOSE [)]{1}
@@ -624,6 +640,7 @@ ALLID [^;()\t ]
%x ParseRecord
%x ParseUnits
%x ParseProcess
+%x ParseFunc
%x FindName
%x FindEntityName
%x FindGenPort
@@ -634,6 +651,20 @@ ALLID [^;()\t ]
%%
+<Start>{CONFIG} { // found configuration
+
+ QCString qcs(vhdlscanYYtext);
+ current->name=VhdlDocGen::getIndexWord(qcs,1);
+ current->type=VhdlDocGen::getIndexWord(qcs,3);
+ current->startLine=yyLineNr;
+ current->bodyLine=yyLineNr;
+ current->section=Entry::VARIABLE_SEC;
+ current->spec=VhdlDocGen::CONFIG;
+ current->args="configuration";
+ newEntry();
+ BEGIN(Start);
+}
+
<Start>{SIGTYPES} { // found type constant|type|attribute and so on..
bropen=0;
lineCount();
@@ -783,37 +814,14 @@ ALLID [^;()\t ]
lineCount();
QCString type;
QCString tt(yytext);
- tt = tt.stripWhiteSpace();
- //printf(" tt=%s\n",tt.data());
- //VhdlDocGen::deleteAllChars(tt,'\n');
- QCString name = VhdlDocGen::getIndexWord(tt,0);
- int i=name.find(':');
- if (i!=-1)
- {
- name = name.left(i);
- tt = tt.right(tt.length()-i-1);
- }
- int j = tt.find('.');
- if (j!=-1)
- {
- int k=tt.find(" ",j,FALSE);
- if (k>(j+1))
- type=tt.mid(j+1,k-j-1);
- }
- else
- {
- type=VhdlDocGen::getIndexWord(tt,1);
- if (type==":") type=VhdlDocGen::getIndexWord(tt,2);
- if (type=="component") type=VhdlDocGen::getIndexWord(tt,3);
- }
- //printf("Add mapping %s->%s\n",type.data(),name.data());
-
- current->spec=VhdlDocGen::PORTMAP;
+ QRegExp regg("[ \n\t:-]");
+ QStringList qsl=QStringList::split(regg,tt,false);
+ current->spec=VhdlDocGen::COMPONENT_INST;
current->section=Entry::VARIABLE_SEC;
current->startLine=yyLineNr;
current->bodyLine=yyLineNr;
- current->type=type;
- current->name=name;
+ current->type=QCString(qsl[1]);
+ current->name=QCString(qsl[0]);
if (lastCompound)
{
lastCompound->addSubEntry(current);
@@ -985,7 +993,7 @@ ALLID [^;()\t ]
BEGIN(ParseRecord);
}
-<ParseType>{B}+("is"){B}*{CR}|{B}+("is"){B}*"--" { // found a new function in an architecture ?
+<ParseType>{BR}+("is"){BR}+|{BR}+("is"){B}*"--" { // found a new function in an architecture ?
addText(yytext,yyleng);
lineCount();
QCString ttt;
@@ -1075,51 +1083,58 @@ ALLID [^;()\t ]
<ParseType>{ENDE}|{ENDFUNC} { // found end of function|process
+ QRegExp regg("[ \n\t;]");
lineCount();
- if (functionEntry)
- {
- functionEntry->endBodyLine=yyLineNr;
- functionEntry=0;
- }
-
- if (isBody==1 && isFunc==1 && bropen==0)
+ QCString tt(yytext);
+ tt=tt.lower();
+ QStringList ql=QStringList::split(regg,tt,FALSE);
+ int index=ql.findIndex(QCString("if"))+1;
+ index+=ql.findIndex(QCString("case"))+1;
+ index+=ql.findIndex(QCString("loop"))+1;
+ index+=ql.findIndex(QCString("generate"))+1;
+ bufferClear();
+ if (index==0)
{
- isFunc=0;
+ if (isFunc)
+ {
+ Entry* pFunc=getEntryAtLine(current_root,iFuncLine);
+ if (pFunc && pFunc->section==Entry::FUNCTION_SEC)
+ {
+ pFunc->endBodyLine=yyLineNr;
+ }
+ isFunc=0;
+ BEGIN(Start);
+ }
}
-
- bufferClear();
- BEGIN(Start);
-
}
+<ParseFunc>[^;()] {
+ // eat process body
+ lineCount();
+ BEGIN(ParseFunc);
+ }
-<ParseType>{ENDE3} {
+<ParseFunc>{ENDE3} {
+ QRegExp regg("[ \n\t;]");
lineCount();
QCString tt(yytext);
tt=tt.lower();
- VhdlDocGen::deleteAllChars(tt,';');
- tt.stripWhiteSpace();
- QStringList ql=QStringList::split(" ",tt,FALSE);
+ QStringList ql=QStringList::split(regg,tt,FALSE);
int index=ql.findIndex(QCString("if"))+1;
index+=ql.findIndex(QCString("case"))+1;
index+=ql.findIndex(QCString("loop"))+1;
index+=ql.findIndex(QCString("generate"))+1;
bufferClear();
- if (functionEntry && index==0)
+ if (index==0 && isFunc)
{
- functionEntry->endBodyLine=yyLineNr;
- functionEntry=0;
+ Entry* pFunc=getEntryAtLine(current_root,iFuncLine);
+ if (pFunc && pFunc->section==Entry::FUNCTION_SEC)
+ {
+ pFunc->endBodyLine=yyLineNr;
+ }
isFunc=0;
BEGIN(Start);
}
- else if (index==0)
- {
- BEGIN(Start);
- }
- else
- {
- BEGIN(ParseType);
- }
}
<ParseType>";" {
@@ -1130,6 +1145,16 @@ ALLID [^;()\t ]
if (isFunc)
{
parseFunctionProto();
+ bufferClear();
+ if (lastCompound && lastCompound->spec==VhdlDocGen::PACKAGE)
+ {
+ isFunc=0;
+ BEGIN(Start);
+ }
+ else
+ {
+ BEGIN(ParseFunc);
+ }
}//if
else
{
@@ -1199,10 +1224,10 @@ ALLID [^;()\t ]
{
newEntry();
}
+ isFunc=0;
+ bufferClear();
+ BEGIN(Start);
}
- isFunc=0;
- //bufferClear();
- BEGIN(Start);
}
else
{
generated by cgit v0.12 at 2024-11-15 23:57:44 (GMT)