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doc.c
2732 lines (2402 loc) · 78.6 KB
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doc.c
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/* Compiler implementation of the D programming language
* Copyright (c) 1999-2014 by Digital Mars
* All Rights Reserved
* written by Walter Bright
* http://www.digitalmars.com
* Distributed under the Boost Software License, Version 1.0.
* http://www.boost.org/LICENSE_1_0.txt
* https://github.com/D-Programming-Language/dmd/blob/master/src/doc.c
*/
// This implements the Ddoc capability.
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <assert.h>
#include "rmem.h"
#include "root.h"
#include "port.h"
#include "attrib.h"
#include "cond.h"
#include "mars.h"
#include "dsymbol.h"
#include "macro.h"
#include "template.h"
#include "lexer.h"
#include "aggregate.h"
#include "declaration.h"
#include "statement.h"
#include "enum.h"
#include "id.h"
#include "module.h"
#include "scope.h"
#include "hdrgen.h"
#include "doc.h"
#include "mtype.h"
#include "utf.h"
void emitMemberComments(ScopeDsymbol *sds, Scope *sc);
void toDocBuffer(Dsymbol *s, OutBuffer *buf, Scope *sc);
void emitComment(Dsymbol *s, Scope *sc);
struct Escape
{
const char *strings[256];
const char *escapeChar(unsigned c);
};
class Section
{
public:
const utf8_t *name;
size_t namelen;
const utf8_t *body;
size_t bodylen;
int nooutput;
virtual void write(DocComment *dc, Scope *sc, Dsymbol *s, OutBuffer *buf);
};
class ParamSection : public Section
{
public:
void write(DocComment *dc, Scope *sc, Dsymbol *s, OutBuffer *buf);
};
class MacroSection : public Section
{
public:
void write(DocComment *dc, Scope *sc, Dsymbol *s, OutBuffer *buf);
};
typedef Array<Section *> Sections;
struct DocComment
{
Sections sections; // Section*[]
Section *summary;
Section *copyright;
Section *macros;
Macro **pmacrotable;
Escape **pescapetable;
DocComment() :
summary(NULL), copyright(NULL), macros(NULL), pmacrotable(NULL), pescapetable(NULL)
{ }
static DocComment *parse(Scope *sc, Dsymbol *s, const utf8_t *comment);
static void parseMacros(Escape **pescapetable, Macro **pmacrotable, const utf8_t *m, size_t mlen);
static void parseEscapes(Escape **pescapetable, const utf8_t *textstart, size_t textlen);
void parseSections(const utf8_t *comment);
void writeSections(Scope *sc, Dsymbol *s, OutBuffer *buf);
};
int cmp(const char *stringz, const void *s, size_t slen);
int icmp(const char *stringz, const void *s, size_t slen);
int isDitto(const utf8_t *comment);
const utf8_t *skipwhitespace(const utf8_t *p);
size_t skiptoident(OutBuffer *buf, size_t i);
size_t skippastident(OutBuffer *buf, size_t i);
size_t skippastURL(OutBuffer *buf, size_t i);
void highlightText(Scope *sc, Dsymbol *s, OutBuffer *buf, size_t offset);
void highlightCode(Scope *sc, Dsymbol *s, OutBuffer *buf, size_t offset, bool anchor = true);
void highlightCode2(Scope *sc, Dsymbol *s, OutBuffer *buf, size_t offset);
TypeFunction *isTypeFunction(Dsymbol *s);
Parameter *isFunctionParameter(Dsymbol *s, const utf8_t *p, size_t len);
TemplateParameter *isTemplateParameter(Dsymbol *s, const utf8_t *p, size_t len);
int isIdStart(const utf8_t *p);
bool isCVariadicArg(const utf8_t *p, size_t len);
int isIdTail(const utf8_t *p);
int isIndentWS(const utf8_t *p);
int utfStride(const utf8_t *p);
// Workaround for missing Parameter instance for variadic params. (it's unnecessary to instantiate one).
bool isCVariadicParameter(Dsymbol *s, const utf8_t *p, size_t len)
{
TypeFunction *tf = isTypeFunction(s);
return tf && tf->varargs == 1 && cmp("...", p, len) == 0;
}
static const char ddoc_default[] = "\
DDOC = <html><head>\n\
<META http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">\n\
<title>$(TITLE)</title>\n\
</head><body>\n\
<h1>$(TITLE)</h1>\n\
$(BODY)\n\
<hr>$(SMALL Page generated by $(LINK2 http://dlang.org/ddoc.html, Ddoc). $(COPYRIGHT))\n\
</body></html>\n\
\n\
B = <b>$0</b>\n\
I = <i>$0</i>\n\
U = <u>$0</u>\n\
P = <p>$0</p>\n\
DL = <dl>$0</dl>\n\
DT = <dt>$0</dt>\n\
DD = <dd>$0</dd>\n\
TABLE = <table>$0</table>\n\
TR = <tr>$0</tr>\n\
TH = <th>$0</th>\n\
TD = <td>$0</td>\n\
OL = <ol>$0</ol>\n\
UL = <ul>$0</ul>\n\
LI = <li>$0</li>\n\
BIG = <big>$0</big>\n\
SMALL = <small>$0</small>\n\
BR = <br>\n\
LINK = <a href=\"$0\">$0</a>\n\
LINK2 = <a href=\"$1\">$+</a>\n\
LPAREN= (\n\
RPAREN= )\n\
DOLLAR= $\n\
DEPRECATED= $0\n\
\n\
RED = <font color=red>$0</font>\n\
BLUE = <font color=blue>$0</font>\n\
GREEN = <font color=green>$0</font>\n\
YELLOW =<font color=yellow>$0</font>\n\
BLACK = <font color=black>$0</font>\n\
WHITE = <font color=white>$0</font>\n\
\n\
D_CODE = <pre class=\"d_code\">$0</pre>\n\
D_COMMENT = $(GREEN $0)\n\
D_STRING = $(RED $0)\n\
D_KEYWORD = $(BLUE $0)\n\
D_PSYMBOL = $(U $0)\n\
D_PARAM = $(I $0)\n\
\n\
DDOC_COMMENT = <!-- $0 -->\n\
DDOC_DECL = $(DT $(BIG $0))\n\
DDOC_DECL_DD = $(DD $0)\n\
DDOC_DITTO = $(BR)$0\n\
DDOC_SECTIONS = $0\n\
DDOC_SUMMARY = $0$(BR)$(BR)\n\
DDOC_DESCRIPTION = $0$(BR)$(BR)\n\
DDOC_AUTHORS = $(B Authors:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_BUGS = $(RED BUGS:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_COPYRIGHT = $(B Copyright:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_DATE = $(B Date:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_DEPRECATED = $(RED Deprecated:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_EXAMPLES = $(B Examples:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_HISTORY = $(B History:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_LICENSE = $(B License:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_RETURNS = $(B Returns:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_SEE_ALSO = $(B See Also:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_STANDARDS = $(B Standards:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_THROWS = $(B Throws:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_VERSION = $(B Version:)$(BR)\n$0$(BR)$(BR)\n\
DDOC_SECTION_H = $(B $0)$(BR)\n\
DDOC_SECTION = $0$(BR)$(BR)\n\
DDOC_MEMBERS = $(DL $0)\n\
DDOC_MODULE_MEMBERS = $(DDOC_MEMBERS $0)\n\
DDOC_CLASS_MEMBERS = $(DDOC_MEMBERS $0)\n\
DDOC_STRUCT_MEMBERS = $(DDOC_MEMBERS $0)\n\
DDOC_ENUM_MEMBERS = $(DDOC_MEMBERS $0)\n\
DDOC_TEMPLATE_MEMBERS = $(DDOC_MEMBERS $0)\n\
DDOC_ENUM_BASETYPE = $0\n\
DDOC_PARAMS = $(B Params:)$(BR)\n$(TABLE $0)$(BR)\n\
DDOC_PARAM_ROW = $(TR $0)\n\
DDOC_PARAM_ID = $(TD $0)\n\
DDOC_PARAM_DESC = $(TD $0)\n\
DDOC_BLANKLINE = $(BR)$(BR)\n\
\n\
DDOC_ANCHOR = <a name=\"$1\"></a>\n\
DDOC_PSYMBOL = $(U $0)\n\
DDOC_PSUPER_SYMBOL = $(U $0)\n\
DDOC_KEYWORD = $(B $0)\n\
DDOC_PARAM = $(I $0)\n\
\n\
ESCAPES = /</</\n\
/>/>/\n\
/&/&/\n\
";
static const char ddoc_decl_s[] = "$(DDOC_DECL ";
static const char ddoc_decl_e[] = ")\n";
static const char ddoc_decl_dd_s[] = "$(DDOC_DECL_DD ";
static const char ddoc_decl_dd_e[] = ")\n";
/****************************************************
*/
void gendocfile(Module *m)
{
static OutBuffer mbuf;
static int mbuf_done;
OutBuffer buf;
//printf("Module::gendocfile()\n");
if (!mbuf_done) // if not already read the ddoc files
{
mbuf_done = 1;
// Use our internal default
mbuf.write(ddoc_default, strlen(ddoc_default));
// Override with DDOCFILE specified in the sc.ini file
char *p = getenv("DDOCFILE");
if (p)
global.params.ddocfiles->shift(p);
// Override with the ddoc macro files from the command line
for (size_t i = 0; i < global.params.ddocfiles->dim; i++)
{
FileName f((*global.params.ddocfiles)[i]);
File file(&f);
readFile(m->loc, &file);
// BUG: convert file contents to UTF-8 before use
//printf("file: '%.*s'\n", file.len, file.buffer);
mbuf.write(file.buffer, file.len);
}
}
DocComment::parseMacros(&m->escapetable, &m->macrotable, (utf8_t *)mbuf.data, mbuf.offset);
Scope *sc = Scope::createGlobal(m); // create root scope
sc->docbuf = &buf;
DocComment *dc = DocComment::parse(sc, m, m->comment);
dc->pmacrotable = &m->macrotable;
dc->pescapetable = &m->escapetable;
// Generate predefined macros
// Set the title to be the name of the module
{
const char *p = m->toPrettyChars();
Macro::define(&m->macrotable, (utf8_t *)"TITLE", 5, (utf8_t *)p, strlen(p));
}
// Set time macros
{
time_t t;
time(&t);
char *p = ctime(&t);
p = mem.strdup(p);
Macro::define(&m->macrotable, (utf8_t *)"DATETIME", 8, (utf8_t *)p, strlen(p));
Macro::define(&m->macrotable, (utf8_t *)"YEAR", 4, (utf8_t *)p + 20, 4);
}
char *srcfilename = m->srcfile->toChars();
Macro::define(&m->macrotable, (utf8_t *)"SRCFILENAME", 11, (utf8_t *)srcfilename, strlen(srcfilename));
char *docfilename = m->docfile->toChars();
Macro::define(&m->macrotable, (utf8_t *)"DOCFILENAME", 11, (utf8_t *)docfilename, strlen(docfilename));
if (dc->copyright)
{
dc->copyright->nooutput = 1;
Macro::define(&m->macrotable, (utf8_t *)"COPYRIGHT", 9, dc->copyright->body, dc->copyright->bodylen);
}
buf.printf("$(DDOC_COMMENT Generated by Ddoc from %s)\n", m->srcfile->toChars());
if (m->isDocFile)
{
size_t commentlen = strlen((char *)m->comment);
if (dc->macros)
{
commentlen = dc->macros->name - m->comment;
dc->macros->write(dc, sc, m, sc->docbuf);
}
sc->docbuf->write(m->comment, commentlen);
highlightText(sc, m, sc->docbuf, 0);
}
else
{
dc->writeSections(sc, m, sc->docbuf);
emitMemberComments(m, sc);
}
//printf("BODY= '%.*s'\n", buf.offset, buf.data);
Macro::define(&m->macrotable, (utf8_t *)"BODY", 4, (utf8_t *)buf.data, buf.offset);
OutBuffer buf2;
buf2.writestring("$(DDOC)\n");
size_t end = buf2.offset;
m->macrotable->expand(&buf2, 0, &end, NULL, 0);
#if 1
/* Remove all the escape sequences from buf2,
* and make CR-LF the newline.
*/
{
buf.setsize(0);
buf.reserve(buf2.offset);
utf8_t *p = (utf8_t *)buf2.data;
for (size_t j = 0; j < buf2.offset; j++)
{
utf8_t c = p[j];
if (c == 0xFF && j + 1 < buf2.offset)
{
j++;
continue;
}
if (c == '\n')
buf.writeByte('\r');
else if (c == '\r')
{
buf.writestring("\r\n");
if (j + 1 < buf2.offset && p[j + 1] == '\n')
{
j++;
}
continue;
}
buf.writeByte(c);
}
}
// Transfer image to file
assert(m->docfile);
m->docfile->setbuffer(buf.data, buf.offset);
m->docfile->ref = 1;
ensurePathToNameExists(Loc(), m->docfile->toChars());
writeFile(m->loc, m->docfile);
#else
/* Remove all the escape sequences from buf2
*/
{
size_t i = 0;
utf8_t *p = buf2.data;
for (size_t j = 0; j < buf2.offset; j++)
{
if (p[j] == 0xFF && j + 1 < buf2.offset)
{
j++;
continue;
}
p[i] = p[j];
i++;
}
buf2.setsize(i);
}
// Transfer image to file
m->docfile->setbuffer(buf2.data, buf2.offset);
m->docfile->ref = 1;
ensurePathToNameExists(Loc(), m->docfile->toChars());
writeFile(m->loc, m->docfile);
#endif
}
/****************************************************
* Having unmatched parentheses can hose the output of Ddoc,
* as the macros depend on properly nested parentheses.
* This function replaces all ( with $(LPAREN) and ) with $(RPAREN)
* to preserve text literally. This also means macros in the
* text won't be expanded.
*/
void escapeDdocString(OutBuffer *buf, size_t start)
{
for (size_t u = start; u < buf->offset; u++)
{
utf8_t c = buf->data[u];
switch(c)
{
case '$':
buf->remove(u, 1);
buf->insert(u, "$(DOLLAR)", 9);
u += 8;
break;
case '(':
buf->remove(u, 1); //remove the (
buf->insert(u, "$(LPAREN)", 9); //insert this instead
u += 8; //skip over newly inserted macro
break;
case ')':
buf->remove(u, 1); //remove the )
buf->insert(u, "$(RPAREN)", 9); //insert this instead
u += 8; //skip over newly inserted macro
break;
}
}
}
/****************************************************
* Having unmatched parentheses can hose the output of Ddoc,
* as the macros depend on properly nested parentheses.
* Fix by replacing unmatched ( with $(LPAREN) and unmatched ) with $(RPAREN).
*/
void escapeStrayParenthesis(OutBuffer *buf, size_t start, Dsymbol *s)
{
unsigned par_open = 0;
Loc loc = s->loc;
if (Module *m = s->isModule())
{
if (m->md)
loc = m->md->loc;
}
for (size_t u = start; u < buf->offset; u++)
{
utf8_t c = buf->data[u];
switch(c)
{
case '(':
par_open++;
break;
case ')':
if (par_open == 0)
{
//stray ')'
warning(loc, "Ddoc: Stray ')'. This may cause incorrect Ddoc output."
" Use $(RPAREN) instead for unpaired right parentheses.");
buf->remove(u, 1); //remove the )
buf->insert(u, "$(RPAREN)", 9); //insert this instead
u += 8; //skip over newly inserted macro
}
else
par_open--;
break;
#if 0
// For this to work, loc must be set to the beginning of the passed
// text which is currently not possible
// (loc is set to the Loc of the Dsymbol)
case '\n':
loc.linnum++;
break;
#endif
}
}
if (par_open) // if any unmatched lparens
{ par_open = 0;
for (size_t u = buf->offset; u > start;)
{ u--;
utf8_t c = buf->data[u];
switch(c)
{
case ')':
par_open++;
break;
case '(':
if (par_open == 0)
{
//stray '('
warning(loc, "Ddoc: Stray '('. This may cause incorrect Ddoc output."
" Use $(LPAREN) instead for unpaired left parentheses.");
buf->remove(u, 1); //remove the (
buf->insert(u, "$(LPAREN)", 9); //insert this instead
}
else
par_open--;
break;
}
}
}
}
// Basically, this is to skip over things like private{} blocks in a struct or
// class definition that don't add any components to the qualified name.
static Scope *skipNonQualScopes(Scope *sc)
{
while (sc && !sc->scopesym)
sc = sc->enclosing;
return sc;
}
static bool emitAnchorName(OutBuffer *buf, Dsymbol *s, Scope *sc)
{
if (!s || s->isPackage() || s->isModule())
return false;
TemplateDeclaration *td;
bool dot = false;
// Add parent names first
if (s->parent)
dot = emitAnchorName(buf, s->parent, sc);
else if (sc)
dot = emitAnchorName(buf, sc->scopesym, skipNonQualScopes(sc->enclosing));
// Eponymous template members can share the parent anchor name
if (s->parent && (td = s->parent->isTemplateDeclaration()) != NULL &&
td->onemember == s)
return dot;
if (dot)
buf->writeByte('.');
// Use "this" not "__ctor"
if (s->isCtorDeclaration() || ((td = s->isTemplateDeclaration()) != NULL &&
td->onemember && td->onemember->isCtorDeclaration()))
buf->writestring("this");
else
{
/* We just want the identifier, not overloads like TemplateDeclaration::toChars.
* We don't want the template parameter list and constraints. */
buf->writestring(s->Dsymbol::toChars());
}
return true;
}
static void emitAnchor(OutBuffer *buf, Dsymbol *s, Scope *sc)
{
buf->writestring("$(DDOC_ANCHOR ");
emitAnchorName(buf, s, skipNonQualScopes(sc));
buf->writeByte(')');
}
/******************************* emitComment **********************************/
/** Get leading indentation from 'src' which represents lines of code. */
static size_t getCodeIndent(const char *src)
{
while (src && *src == '\n')
++src; // skip until we find the first non-empty line
size_t codeIndent = 0;
while (src && (*src == ' ' || *src == '\t'))
{
codeIndent++;
src++;
}
return codeIndent;
}
void emitUnittestComment(Scope *sc, Dsymbol *s, size_t ofs)
{
OutBuffer *buf = sc->docbuf;
for (UnitTestDeclaration *utd = s->ddocUnittest; utd; utd = utd->ddocUnittest)
{
if (utd->protection == PROTprivate || !utd->comment || !utd->fbody)
continue;
// Strip whitespaces to avoid showing empty summary
const utf8_t *c = utd->comment;
while (*c == ' ' || *c == '\t' || *c == '\n' || *c == '\r') ++c;
OutBuffer codebuf;
codebuf.writestring("$(DDOC_EXAMPLES ");
size_t o = codebuf.offset;
codebuf.writestring((char *)c);
if (utd->codedoc)
{
size_t i = getCodeIndent(utd->codedoc);
while (i--) codebuf.writeByte(' ');
codebuf.writestring("----\n");
codebuf.writestring(utd->codedoc);
codebuf.writestring("----\n");
highlightText(sc, s, &codebuf, o);
}
codebuf.writestring(")");
buf->insert(ofs, codebuf.data, codebuf.offset);
ofs += codebuf.offset;
sc->lastoffset2 = ofs;
}
}
/*
* Emit doc comment to documentation file
*/
void emitDitto(Dsymbol *s, Scope *sc)
{
//printf("Dsymbol::emitDitto() %s %s\n", kind(), toChars());
OutBuffer *buf = sc->docbuf;
OutBuffer b;
b.writestring("$(DDOC_DITTO ");
size_t o = b.offset;
toDocBuffer(s, &b, sc);
//printf("b: '%.*s'\n", b.offset, b.data);
/* If 'this' is a function template, then highlightCode() was
* already run by FuncDeclaration::toDocbuffer().
*/
TemplateDeclaration *td;
if (s->parent &&
(td = s->parent->isTemplateDeclaration()) != NULL &&
td->onemember == s)
{
}
else
highlightCode(sc, s, &b, o);
b.writeByte(')');
buf->spread(sc->lastoffset, b.offset);
memcpy(buf->data + sc->lastoffset, b.data, b.offset);
sc->lastoffset += b.offset;
sc->lastoffset2 += b.offset;
Dsymbol *p = s;
if (!s->ddocUnittest && s->parent)
p = s->parent->isTemplateDeclaration();
if (p)
emitUnittestComment(sc, p, sc->lastoffset2);
}
/** Recursively expand template mixin member docs into the scope. */
static void expandTemplateMixinComments(TemplateMixin *tm, Scope *sc)
{
if (!tm->semanticRun) tm->semantic(sc);
TemplateDeclaration *td = (tm && tm->tempdecl) ?
tm->tempdecl->isTemplateDeclaration() : NULL;
if (td && td->members)
{
for (size_t i = 0; i < td->members->dim; i++)
{
Dsymbol *sm = (*td->members)[i];
TemplateMixin *tmc = sm->isTemplateMixin();
if (tmc && tmc->comment)
expandTemplateMixinComments(tmc, sc);
else
emitComment(sm, sc);
}
}
}
void emitMemberComments(ScopeDsymbol *sds, Scope *sc)
{
//printf("ScopeDsymbol::emitMemberComments() %s\n", toChars());
OutBuffer *buf = sc->docbuf;
if (sds->members)
{
const char *m = "$(DDOC_MEMBERS ";
if (sds->isModule())
m = "$(DDOC_MODULE_MEMBERS ";
else if (sds->isClassDeclaration())
m = "$(DDOC_CLASS_MEMBERS ";
else if (sds->isStructDeclaration())
m = "$(DDOC_STRUCT_MEMBERS ";
else if (sds->isEnumDeclaration())
m = "$(DDOC_ENUM_MEMBERS ";
else if (sds->isTemplateDeclaration())
m = "$(DDOC_TEMPLATE_MEMBERS ";
size_t offset1 = buf->offset; // save starting offset
buf->writestring(m);
size_t offset2 = buf->offset; // to see if we write anything
sc = sc->push(sds);
for (size_t i = 0; i < sds->members->dim; i++)
{
Dsymbol *s = (*sds->members)[i];
//printf("\ts = '%s'\n", s->toChars());
// only expand if parent is a non-template (semantic won't work)
if (s->comment && s->isTemplateMixin() && s->parent && !s->parent->isTemplateDeclaration())
expandTemplateMixinComments((TemplateMixin *)s, sc);
emitComment(s, sc);
}
sc->pop();
if (buf->offset == offset2)
{
/* Didn't write out any members, so back out last write
*/
buf->offset = offset1;
}
else
buf->writestring(")\n");
}
}
void emitProtection(OutBuffer *buf, PROT prot)
{
const char *p = (prot == PROTpublic) ? NULL : protectionToChars(prot);
if (p)
buf->printf("%s ", p);
}
void emitComment(Dsymbol *s, Scope *sc)
{
class EmitComment : public Visitor
{
public:
Scope *sc;
EmitComment(Scope *sc)
: sc(sc)
{
}
void visit(Dsymbol *) {}
void visit(InvariantDeclaration *) {}
void visit(UnitTestDeclaration *) {}
void visit(PostBlitDeclaration *) {}
void visit(DtorDeclaration *) {}
void visit(StaticCtorDeclaration *) {}
void visit(StaticDtorDeclaration *) {}
void visit(ClassInfoDeclaration *) {}
void visit(TypeInfoDeclaration *) {}
void visit(Declaration *d)
{
//printf("Declaration::emitComment(%p '%s'), comment = '%s'\n", d, d->toChars(), d->comment);
//printf("type = %p\n", d->type);
if (d->protection == PROTprivate || sc->protection == PROTprivate ||
!d->ident || (!d->type && !d->isCtorDeclaration() && !d->isAliasDeclaration()))
return;
if (!d->comment)
return;
OutBuffer *buf = sc->docbuf;
DocComment *dc = DocComment::parse(sc, d, d->comment);
if (!dc)
{
emitDitto(d, sc);
return;
}
dc->pmacrotable = &sc->module->macrotable;
buf->writestring(ddoc_decl_s);
size_t o = buf->offset;
toDocBuffer(d, buf, sc);
highlightCode(sc, d, buf, o);
sc->lastoffset = buf->offset;
buf->writestring(ddoc_decl_e);
buf->writestring(ddoc_decl_dd_s);
dc->writeSections(sc, d, buf);
buf->writestring(ddoc_decl_dd_e);
}
void visit(AggregateDeclaration *ad)
{
//printf("AggregateDeclaration::emitComment() '%s'\n", ad->toChars());
if (ad->prot() == PROTprivate || sc->protection == PROTprivate)
return;
if (!ad->comment)
return;
OutBuffer *buf = sc->docbuf;
DocComment *dc = DocComment::parse(sc, ad, ad->comment);
if (!dc)
{
emitDitto(ad, sc);
return;
}
dc->pmacrotable = &sc->module->macrotable;
buf->writestring(ddoc_decl_s);
size_t o = buf->offset;
toDocBuffer(ad, buf, sc);
highlightCode(sc, ad, buf, o);
sc->lastoffset = buf->offset;
buf->writestring(ddoc_decl_e);
buf->writestring(ddoc_decl_dd_s);
dc->writeSections(sc, ad, buf);
emitMemberComments(ad, sc);
buf->writestring(ddoc_decl_dd_e);
}
void visit(TemplateDeclaration *td)
{
//printf("TemplateDeclaration::emitComment() '%s', kind = %s\n", td->toChars(), td->kind());
if (td->prot() == PROTprivate || sc->protection == PROTprivate)
return;
const utf8_t *com = td->comment;
bool hasmembers = true;
Dsymbol *ss = td;
if (td->onemember)
{
ss = td->onemember->isAggregateDeclaration();
if (!ss)
{
ss = td->onemember->isFuncDeclaration();
if (ss)
{
hasmembers = false;
if (com != ss->comment)
com = Lexer::combineComments(com, ss->comment);
}
else
ss = td;
}
}
if (!com)
return;
OutBuffer *buf = sc->docbuf;
DocComment *dc = DocComment::parse(sc, td, com);
size_t o;
if (!dc)
{
emitDitto(ss, sc);
return;
}
dc->pmacrotable = &sc->module->macrotable;
buf->writestring(ddoc_decl_s);
o = buf->offset;
toDocBuffer(ss, buf, sc);
if (ss == td)
highlightCode(sc, td, buf, o);
sc->lastoffset = buf->offset;
buf->writestring(ddoc_decl_e);
buf->writestring(ddoc_decl_dd_s);
dc->writeSections(sc, td, buf);
if (hasmembers)
emitMemberComments((ScopeDsymbol *)ss, sc);
buf->writestring(ddoc_decl_dd_e);
}
void visit(EnumDeclaration *ed)
{
if (ed->prot() == PROTprivate || sc->protection == PROTprivate)
return;
if (ed->isAnonymous() && ed->members)
{
for (size_t i = 0; i < ed->members->dim; i++)
{
Dsymbol *s = (*ed->members)[i];
emitComment(s, sc);
}
return;
}
if (!ed->comment)
return;
if (ed->isAnonymous())
return;
OutBuffer *buf = sc->docbuf;
DocComment *dc = DocComment::parse(sc, ed, ed->comment);
if (!dc)
{
emitDitto(ed, sc);
return;
}
dc->pmacrotable = &sc->module->macrotable;
buf->writestring(ddoc_decl_s);
size_t o = buf->offset;
toDocBuffer(ed, buf, sc);
highlightCode(sc, ed, buf, o);
sc->lastoffset = buf->offset;
buf->writestring(ddoc_decl_e);
buf->writestring(ddoc_decl_dd_s);
dc->writeSections(sc, ed, buf);
emitMemberComments(ed, sc);
buf->writestring(ddoc_decl_dd_e);
}
void visit(EnumMember *em)
{
//printf("EnumMember::emitComment(%p '%s'), comment = '%s'\n", em, em->toChars(), em->comment);
if (em->prot() == PROTprivate || sc->protection == PROTprivate)
return;
if (!em->comment)
return;
OutBuffer *buf = sc->docbuf;
DocComment *dc = DocComment::parse(sc, em, em->comment);
if (!dc)
{
emitDitto(em, sc);
return;
}
dc->pmacrotable = &sc->module->macrotable;
buf->writestring(ddoc_decl_s);
size_t o = buf->offset;
toDocBuffer(em, buf, sc);
highlightCode(sc, em, buf, o);
sc->lastoffset = buf->offset;
buf->writestring(ddoc_decl_e);
buf->writestring(ddoc_decl_dd_s);
dc->writeSections(sc, em, buf);
buf->writestring(ddoc_decl_dd_e);
}
void visit(AttribDeclaration *ad)
{
//printf("AttribDeclaration::emitComment(sc = %p)\n", sc);
/* A general problem with this, illustrated by BUGZILLA 2516,
* is that attributes are not transmitted through to the underlying
* member declarations for template bodies, because semantic analysis
* is not done for template declaration bodies
* (only template instantiations).
* Hence, Ddoc omits attributes from template members.
*/
Dsymbols *d = ad->include(NULL, NULL);
if (d)
{
for (size_t i = 0; i < d->dim; i++)
{
Dsymbol *s = (*d)[i];
//printf("AttribDeclaration::emitComment %s\n", s->toChars());
emitComment(s, sc);
}
}
}
void visit(ProtDeclaration *pd)
{
if (pd->decl)
{
sc = sc->push();
sc->protection = pd->protection;
visit((AttribDeclaration *)pd);
sc = sc->pop();
}
}
void visit(ConditionalDeclaration *cd)
{
//printf("ConditionalDeclaration::emitComment(sc = %p)\n", sc);
if (cd->condition->inc)
{
visit((AttribDeclaration *)cd);
}
else if (sc->docbuf)
{
/* If generating doc comment, be careful because if we're inside
* a template, then include(NULL, NULL) will fail.
*/
Dsymbols *d = cd->decl ? cd->decl : cd->elsedecl;
for (size_t i = 0; i < d->dim; i++)
{
Dsymbol *s = (*d)[i];
emitComment(s, sc);
}
}
}
};
EmitComment v(sc);
s->accept(&v);
}
/******************************* toDocBuffer **********************************/