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%{
#include "aidl_language.h"
#include "aidl_language_y.hpp"
#include "parse_helpers.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int yylex(yy::parser::semantic_type *, yy::parser::location_type *, void *);
#define lex_scanner ps->Scanner()
using android::aidl::cpp_strdup;
%}
%parse-param { Parser* ps }
%lex-param { void *lex_scanner }
%pure-parser
%skeleton "glr.cc"
%union {
buffer_type buffer;
std::string *str;
AidlType* type;
AidlArgument* arg;
AidlArgument::Direction direction;
std::vector<std::unique_ptr<AidlArgument>>* arg_list;
AidlMethod* method;
std::vector<std::unique_ptr<AidlMethod>>* methods;
std::vector<std::string>* strvec;
AidlInterface* interface_obj;
AidlParcelable* user_data;
AidlDocumentItem* document_item;
}
%token<buffer> IDENTIFIER IDVALUE GENERIC INTERFACE ONEWAY
%token '(' ')' ',' '=' '[' ']' '<' '>' '.' '{' '}' ';'
%token IN OUT INOUT PACKAGE IMPORT PARCELABLE
%type<document_item> document_items declaration
%type<user_data> parcelable_decl
%type<methods> methods
%type<interface_obj> interface_decl
%type<method> method_decl
%type<type> type
%type<arg_list> arg_list
%type<arg> arg
%type<direction> direction
%type<str> generic_list
%type<strvec> package_name
%type<buffer> error
%%
document
: package imports document_items
{ ps->SetDocument($3); };
package
: {}
| PACKAGE package_name ';'
{ ps->SetPackage($2); };
imports
: {}
| import imports {};
import
: IMPORT package_name ';'
{ ps->AddImport($2, @1.begin.line); };
package_name
: IDENTIFIER {
$$ = new std::vector<std::string>();
$$->push_back($1.data);
}
| package_name '.' IDENTIFIER
{ $$->push_back($3.data); };
document_items
: { $$ = NULL; }
| document_items declaration {
$$ = $1;
AidlDocumentItem **pos = &$$;
while (*pos)
pos = &(*pos)->next;
if ($2)
*pos = $2;
}
| document_items error {
fprintf(stderr, "%s:%d: syntax error don't know what to do with \"%s\"\n",
ps->FileName().c_str(),
@2.begin.line, $2.data);
$$ = $1;
};
declaration
: parcelable_decl
{ $$ = $1; }
| interface_decl
{ $$ = $1; };
parcelable_decl
: PARCELABLE IDENTIFIER ';' {
$$ = new AidlParcelable($2.data, @2.begin.line, ps->Package());
}
| PARCELABLE ';' {
fprintf(stderr, "%s:%d syntax error in parcelable declaration. Expected type name.\n",
ps->FileName().c_str(), @1.begin.line);
$$ = NULL;
}
| PARCELABLE error ';' {
fprintf(stderr, "%s:%d syntax error in parcelable declaration. Expected type name, saw \"%s\".\n",
ps->FileName().c_str(), @2.begin.line, $2.data);
$$ = NULL;
};
interface_decl
: INTERFACE IDENTIFIER '{' methods '}' {
$$ = new AidlInterface($2.Literal(), @2.begin.line,
android::aidl::gather_comments($1.extra), false, $4, ps->Package());
}
| ONEWAY INTERFACE IDENTIFIER '{' methods '}' {
$$ = new AidlInterface($3.Literal(), @3.begin.line,
android::aidl::gather_comments($1.extra), true, $5, ps->Package());
}
| INTERFACE error '{' methods '}' {
fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n",
ps->FileName().c_str(), @2.begin.line, $2.data);
$$ = NULL;
}
| INTERFACE error '}' {
fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n",
ps->FileName().c_str(), @2.begin.line, $2.data);
$$ = NULL;
};
methods
:
{ $$ = new std::vector<std::unique_ptr<AidlMethod>>(); }
| methods method_decl
{ $1->push_back(std::unique_ptr<AidlMethod>($2)); }
| methods error ';' {
fprintf(stderr, "%s:%d: syntax error before ';' "
"(expected method declaration)\n",
ps->FileName().c_str(), @3.begin.line);
$$ = $1;
};
method_decl
: type IDENTIFIER '(' arg_list ')' ';' {
$$ = new AidlMethod(false, $1, $2.Literal(), $4, @2.begin.line,
$1->GetComments());
}
| ONEWAY type IDENTIFIER '(' arg_list ')' ';' {
$$ = new AidlMethod(true, $2, $3.Literal(), $5, @3.begin.line,
android::aidl::gather_comments($1.extra));
}
| type IDENTIFIER '(' arg_list ')' '=' IDVALUE ';' {
$$ = new AidlMethod(false, $1, $2.Literal(), $4, @2.begin.line,
$1->GetComments(), std::stoi($7.data));
}
| ONEWAY type IDENTIFIER '(' arg_list ')' '=' IDVALUE ';' {
$$ = new AidlMethod(true, $2, $3.Literal(), $5, @3.begin.line,
android::aidl::gather_comments($1.extra),
std::stoi($8.data));
};
arg_list
:
{ $$ = new std::vector<std::unique_ptr<AidlArgument>>(); }
| arg {
$$ = new std::vector<std::unique_ptr<AidlArgument>>();
$$->push_back(std::unique_ptr<AidlArgument>($1));
}
| arg_list ',' arg {
$$ = $1;
$$->push_back(std::unique_ptr<AidlArgument>($3));
}
| error {
fprintf(stderr, "%s:%d: syntax error in parameter list\n",
ps->FileName().c_str(), @1.begin.line);
$$ = new std::vector<std::unique_ptr<AidlArgument>>();
};
arg
: direction type IDENTIFIER
{ $$ = new AidlArgument($1, $2, $3.data, @3.begin.line); };
| type IDENTIFIER
{ $$ = new AidlArgument($1, $2.data, @2.begin.line); };
type
: IDENTIFIER {
$$ = new AidlType($1.data, @1.begin.line,
android::aidl::gather_comments($1.extra), false);
}
| IDENTIFIER '[' ']' {
$$ = new AidlType($1.data,
@1.begin.line, android::aidl::gather_comments($1.extra),
true);
}
| IDENTIFIER '<' generic_list '>' {
$$ = new AidlType(std::string($1.data) + "<" + *$3 + ">", @1.begin.line,
android::aidl::gather_comments($1.extra), false);
delete $3;
};
generic_list
: IDENTIFIER
{ $$ = new std::string($1.data); }
| generic_list ',' IDENTIFIER {
$$ = new std::string(*$1 + "," + std::string($3.data));
delete $1;
};
direction
: IN
{ $$ = AidlArgument::IN_DIR; }
| OUT
{ $$ = AidlArgument::OUT_DIR; }
| INOUT
{ $$ = AidlArgument::INOUT_DIR; };
%%
#include <ctype.h>
#include <stdio.h>
void yy::parser::error(const yy::parser::location_type& l, const std::string& errstr)
{
ps->ReportError(errstr);
}
|
