blob: ab3e47998ea1bc64cca5f86e5e138aa58e03129c [file] [log] [blame]
/*
* Copyright (C) 2016, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
%{
#include "aidl_language.h"
#include "parser.h"
#include "aidl_language_y.h"
#include "logging.h"
#include <android-base/parseint.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int yylex(yy::parser::semantic_type *, yy::parser::location_type *, void *);
AidlLocation loc(const yy::parser::location_type& begin, const yy::parser::location_type& end) {
AIDL_FATAL_IF(begin.begin.filename != begin.end.filename, AIDL_LOCATION_HERE);
AIDL_FATAL_IF(begin.end.filename != end.begin.filename, AIDL_LOCATION_HERE);
AIDL_FATAL_IF(end.begin.filename != end.end.filename, AIDL_LOCATION_HERE);
AidlLocation::Point begin_point {
.line = begin.begin.line,
.column = begin.begin.column,
};
AidlLocation::Point end_point {
.line = end.end.line,
.column = end.end.column,
};
return AidlLocation(*begin.begin.filename, begin_point, end_point, AidlLocation::Source::EXTERNAL);
}
AidlLocation loc(const yy::parser::location_type& l) {
return loc(l, l);
}
#define lex_scanner ps->Scanner()
%}
%initial-action {
@$.begin.filename = @$.end.filename =
const_cast<std::string *>(&ps->FileName());
}
%parse-param { Parser* ps }
%lex-param { void *lex_scanner }
%glr-parser
%skeleton "glr.cc"
%expect-rr 0
%define parse.error verbose
%locations
%union {
AidlToken* token;
char character;
std::string *str;
AidlAnnotation* annotation;
AidlAnnotationParameter* param;
std::map<std::string, std::shared_ptr<AidlConstantValue>>* param_list;
std::vector<AidlAnnotation>* annotation_list;
AidlTypeSpecifier* type;
AidlArgument* arg;
AidlArgument::Direction direction;
AidlConstantValue* const_expr;
AidlEnumerator* enumerator;
std::vector<std::unique_ptr<AidlEnumerator>>* enumerators;
std::vector<std::unique_ptr<AidlConstantValue>>* constant_value_list;
std::vector<std::unique_ptr<AidlArgument>>* arg_list;
AidlVariableDeclaration* variable;
AidlMethod* method;
AidlMember* constant;
std::vector<std::unique_ptr<AidlMember>>* members;
AidlDefinedType* declaration;
std::vector<std::unique_ptr<AidlTypeSpecifier>>* type_args;
std::vector<std::string>* type_params;
std::vector<std::unique_ptr<AidlImport>>* imports;
AidlImport* import;
AidlPackage* package;
std::vector<std::unique_ptr<AidlDefinedType>>* declarations;
}
%destructor { } <character>
%destructor { } <direction>
%destructor { delete ($$); } <*>
%token<token> PACKAGE "package"
%token<token> IMPORT "import"
%token<token> ANNOTATION "annotation"
%token<token> C_STR "string literal"
%token<token> IDENTIFIER "identifier"
%token<token> INTERFACE "interface"
%token<token> PARCELABLE "parcelable"
%token<token> ONEWAY "oneway"
%token<token> ENUM "enum"
%token<token> UNION "union"
%token<token> CONST "const"
%token<character> CHARVALUE "char literal"
%token<token> FLOATVALUE "float literal"
%token<token> HEXVALUE "hex literal"
%token<token> INTVALUE "int literal"
%token '(' ')' ',' '=' '[' ']' '.' '{' '}' ';'
%token UNKNOWN "unrecognized character"
%token<token> CPP_HEADER "cpp_header (which can also be used as an identifier)"
%token IN "in"
%token INOUT "inout"
%token OUT "out"
%token TRUE_LITERAL "true"
%token FALSE_LITERAL "false"
/* Operator precedence and associativity, as per
* http://en.cppreference.com/w/cpp/language/operator_precedence */
/* Precedence level 13 - 14, LTR, logical operators*/
%left LOGICAL_OR
%left LOGICAL_AND
/* Precedence level 10 - 12, LTR, bitwise operators*/
%left '|'
%left '^'
%left '&'
/* Precedence level 9, LTR */
%left EQUALITY NEQ
/* Precedence level 8, LTR */
%left '<' '>' LEQ GEQ
/* Precedence level 7, LTR */
%left LSHIFT RSHIFT
/* Precedence level 6, LTR */
%left '+' '-'
/* Precedence level 5, LTR */
%left '*' '/' '%'
/* Precedence level 3, RTL; but we have to use %left here */
%right UNARY_PLUS UNARY_MINUS '!' '~'
%type<declaration> decl
%type<declaration> unannotated_decl
%type<declaration> interface_decl
%type<declaration> parcelable_decl
%type<declaration> enum_decl
%type<declaration> union_decl
%type<members> parcelable_members interface_members
%type<variable> variable_decl
%type<type_params> optional_type_params
%type<method> method_decl
%type<constant> constant_decl
%type<enumerator> enumerator
%type<enumerators> enumerators enum_decl_body
%type<param> parameter
%type<param_list> parameter_list
%type<param_list> parameter_non_empty_list
%type<annotation> annotation
%type<annotation_list>annotation_list
%type<type> type
%type<type> non_array_type
%type<arg_list> arg_list arg_non_empty_list
%type<arg> arg
%type<direction> direction
%type<type_args> type_args
%type<type_params> type_params
%type<const_expr> const_expr
%type<constant_value_list> constant_value_list
%type<constant_value_list> constant_value_non_empty_list
%type<imports> imports
%type<import> import
%type<package> package
%type<declarations> decls
%type<token> identifier error qualified_name
%%
document
: package imports decls {
Comments comments;
if ($1) {
comments = $1->GetComments();
} else if (!$2->empty()) {
comments = $2->front()->GetComments();
}
ps->SetDocument(std::make_unique<AidlDocument>(loc(@1), comments, std::move(*$2), std::move(*$3)));
delete $1;
delete $2;
delete $3;
}
;
/* A couple of tokens that are keywords elsewhere are identifiers when
* occurring in the identifier position. Therefore identifier is a
* non-terminal, which is either an IDENTIFIER token, or one of the
* aforementioned keyword tokens.
*/
identifier
: IDENTIFIER
| CPP_HEADER
;
package
: {
$$ = nullptr;
}
| PACKAGE qualified_name ';' {
$$ = new AidlPackage(loc(@1, @3), $1->GetComments());
ps->SetPackage($2->GetText());
delete $1;
delete $2;
}
;
imports
: { $$ = new std::vector<std::unique_ptr<AidlImport>>(); }
| imports import
{
$$ = $1;
auto it = std::find_if($$->begin(), $$->end(), [&](const auto& i) {
return $2->GetNeededClass() == i->GetNeededClass();
});
if (it == $$->end()) {
$$->emplace_back($2);
} else {
delete $2;
}
}
import
: IMPORT qualified_name ';' {
$$ = new AidlImport(loc(@2), $2->GetText(), $1->GetComments());
delete $1;
delete $2;
};
qualified_name
: identifier {
$$ = $1;
}
| qualified_name '.' identifier
{ $$ = $1;
$$->Append('.');
$$->Append($3->GetText());
delete $3;
};
decls
: decl
{ $$ = new std::vector<std::unique_ptr<AidlDefinedType>>();
if ($1 != nullptr) {
$$->emplace_back($1);
}
}
| decls decl
{ $$ = $1;
if ($2 != nullptr) {
$$->emplace_back($2);
}
}
decl
: annotation_list unannotated_decl
{
$$ = $2;
if ($1->size() > 0 && $$ != nullptr) {
// copy comments from annotation to decl
$$->SetComments($1->begin()->GetComments());
$$->Annotate(std::move(*$1));
}
delete $1;
}
;
unannotated_decl
: parcelable_decl
| interface_decl
| enum_decl
| union_decl
;
type_params
: identifier {
$$ = new std::vector<std::string>();
$$->emplace_back($1->GetText());
delete $1;
}
| type_params ',' identifier {
$1->emplace_back($3->GetText());
$$ = $1;
delete $3;
};
optional_type_params
: /* none */ { $$ = nullptr; }
| '<' type_params '>' {
$$ = $2;
};
parcelable_decl
: PARCELABLE qualified_name optional_type_params ';' {
$$ = new AidlParcelable(loc(@2), $2->GetText(), ps->Package(), $1->GetComments(), "", $3);
delete $1;
delete $2;
}
| PARCELABLE qualified_name optional_type_params '{' parcelable_members '}' {
$$ = new AidlStructuredParcelable(loc(@2), $2->GetText(), ps->Package(), $1->GetComments(), $3, $5);
delete $1;
delete $2;
}
| PARCELABLE qualified_name CPP_HEADER C_STR ';' {
$$ = new AidlParcelable(loc(@2), $2->GetText(), ps->Package(), $1->GetComments(), $4->GetText());
delete $1;
delete $2;
delete $3;
delete $4;
}
| PARCELABLE error ';' {
ps->AddError();
$$ = nullptr;
delete $1;
};
parcelable_members
: /* empty */ {
$$ = new std::vector<std::unique_ptr<AidlMember>>();
}
| parcelable_members variable_decl {
$1->emplace_back($2);
$$ = $1;
}
| parcelable_members constant_decl {
$1->emplace_back($2);
$$ = $1;
}
| parcelable_members error ';' {
ps->AddError();
$$ = $1;
};
variable_decl
: type identifier ';' {
$$ = new AidlVariableDeclaration(loc(@2), $1, $2->GetText());
delete $2;
}
| type identifier '=' const_expr ';' {
// TODO(b/123321528): Support enum type default assignments (TestEnum foo = TestEnum.FOO).
$$ = new AidlVariableDeclaration(loc(@2), $1, $2->GetText(), $4);
delete $2;
}
;
interface_decl
: INTERFACE identifier '{' interface_members '}' {
$$ = new AidlInterface(loc(@1), $2->GetText(), $1->GetComments(), false, ps->Package(), $4);
delete $1;
delete $2;
}
| ONEWAY INTERFACE identifier '{' interface_members '}' {
$$ = new AidlInterface(loc(@2), $3->GetText(), $1->GetComments(), true, ps->Package(), $5);
delete $1;
delete $2;
delete $3;
}
| INTERFACE error '{' interface_members '}' {
ps->AddError();
$$ = nullptr;
delete $1;
delete $4;
};
interface_members
:
{ $$ = new std::vector<std::unique_ptr<AidlMember>>(); }
| interface_members method_decl
{ $1->push_back(std::unique_ptr<AidlMember>($2)); $$ = $1; }
| interface_members constant_decl
{ $1->push_back(std::unique_ptr<AidlMember>($2)); $$ = $1; }
| interface_members error ';' {
ps->AddError();
$$ = $1;
};
const_expr
: TRUE_LITERAL { $$ = AidlConstantValue::Boolean(loc(@1), true); }
| FALSE_LITERAL { $$ = AidlConstantValue::Boolean(loc(@1), false); }
| CHARVALUE { $$ = AidlConstantValue::Character(loc(@1), $1); }
| INTVALUE {
$$ = AidlConstantValue::Integral(loc(@1), $1->GetText());
if ($$ == nullptr) {
AIDL_ERROR(loc(@1)) << "Could not parse integer: "
<< $1->GetText();
ps->AddError();
$$ = AidlConstantValue::Integral(loc(@1), "0");
}
delete $1;
}
| FLOATVALUE {
$$ = AidlConstantValue::Floating(loc(@1), $1->GetText());
delete $1;
}
| HEXVALUE {
$$ = AidlConstantValue::Integral(loc(@1), $1->GetText());
if ($$ == nullptr) {
AIDL_ERROR(loc(@1)) << "Could not parse hexvalue: "
<< $1->GetText();
ps->AddError();
$$ = AidlConstantValue::Integral(loc(@1), "0");
}
delete $1;
}
| C_STR {
$$ = AidlConstantValue::String(loc(@1), $1->GetText());
delete $1;
}
| qualified_name {
$$ = new AidlConstantReference(loc(@1), $1->GetText());
delete $1;
}
| '{' constant_value_list '}' {
$$ = AidlConstantValue::Array(loc(@1), std::unique_ptr<vector<unique_ptr<AidlConstantValue>>>($2));
}
| const_expr LOGICAL_OR const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "||", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr LOGICAL_AND const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "&&", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '|' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "|" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '^' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "^" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '&' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "&" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr EQUALITY const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "==", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr NEQ const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "!=", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '<' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "<" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '>' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), ">" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr LEQ const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "<=", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr GEQ const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), ">=", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr LSHIFT const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "<<", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr RSHIFT const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), ">>", std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '+' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "+" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '-' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "-" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '*' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "*" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '/' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "/" , std::unique_ptr<AidlConstantValue>($3));
}
| const_expr '%' const_expr {
$$ = new AidlBinaryConstExpression(loc(@1), std::unique_ptr<AidlConstantValue>($1), "%" , std::unique_ptr<AidlConstantValue>($3));
}
| '+' const_expr %prec UNARY_PLUS {
$$ = new AidlUnaryConstExpression(loc(@1), "+", std::unique_ptr<AidlConstantValue>($2));
}
| '-' const_expr %prec UNARY_MINUS {
$$ = new AidlUnaryConstExpression(loc(@1), "-", std::unique_ptr<AidlConstantValue>($2));
}
| '!' const_expr {
$$ = new AidlUnaryConstExpression(loc(@1), "!", std::unique_ptr<AidlConstantValue>($2));
}
| '~' const_expr {
$$ = new AidlUnaryConstExpression(loc(@1), "~", std::unique_ptr<AidlConstantValue>($2));
}
| '(' const_expr ')'
{
$$ = $2;
}
| '(' error ')'
{
AIDL_ERROR(loc(@1)) << "invalid const expression within parenthesis";
ps->AddError();
// to avoid segfaults
$$ = AidlConstantValue::Integral(loc(@1), "0");
}
;
constant_value_list
: /* empty */ {
$$ = new std::vector<std::unique_ptr<AidlConstantValue>>;
}
| constant_value_non_empty_list {
$$ = $1;
}
| constant_value_non_empty_list ',' {
$$ = $1;
}
;
constant_value_non_empty_list
: const_expr {
$$ = new std::vector<std::unique_ptr<AidlConstantValue>>;
$$->push_back(std::unique_ptr<AidlConstantValue>($1));
}
| constant_value_non_empty_list ',' const_expr {
$$ = $1;
$$->push_back(std::unique_ptr<AidlConstantValue>($3));
}
;
constant_decl
: annotation_list CONST type identifier '=' const_expr ';' {
if ($1->size() > 0) {
$3->SetComments($1->begin()->GetComments());
} else {
$3->SetComments($2->GetComments());
}
// TODO(b/151102494) do not merge annotations.
$3->Annotate(std::move(*$1));
$$ = new AidlConstantDeclaration(loc(@4), $3, $4->GetText(), $6);
delete $1;
delete $2;
delete $4;
}
;
enumerator
: identifier '=' const_expr {
$$ = new AidlEnumerator(loc(@1), $1->GetText(), $3, $1->GetComments());
delete $1;
}
| identifier {
$$ = new AidlEnumerator(loc(@1), $1->GetText(), nullptr, $1->GetComments());
delete $1;
}
;
enumerators
: enumerator {
$$ = new std::vector<std::unique_ptr<AidlEnumerator>>();
$$->push_back(std::unique_ptr<AidlEnumerator>($1));
}
| enumerators ',' enumerator {
$1->push_back(std::unique_ptr<AidlEnumerator>($3));
$$ = $1;
}
;
enum_decl_body
: '{' enumerators '}' { $$ = $2; }
| '{' enumerators ',' '}' { $$ = $2; }
;
enum_decl
: ENUM identifier enum_decl_body {
$$ = new AidlEnumDeclaration(loc(@2), $2->GetText(), $3, ps->Package(), $1->GetComments());
delete $1;
delete $2;
delete $3;
}
;
union_decl
: UNION qualified_name optional_type_params '{' parcelable_members '}' {
$$ = new AidlUnionDecl(loc(@2), $2->GetText(), ps->Package(), $1->GetComments(), $3, $5);
delete $1;
delete $2;
}
;
method_decl
: type identifier '(' arg_list ')' ';' {
$$ = new AidlMethod(loc(@2), false, $1, $2->GetText(), $4, $1->GetComments());
delete $2;
}
| annotation_list ONEWAY type identifier '(' arg_list ')' ';' {
const auto& comments = ($1->size() > 0) ? $1->begin()->GetComments() : $2->GetComments();
$$ = new AidlMethod(loc(@4), true, $3, $4->GetText(), $6, comments);
$3->Annotate(std::move(*$1));
delete $1;
delete $2;
delete $4;
}
| type identifier '(' arg_list ')' '=' INTVALUE ';' {
int32_t serial = 0;
if (!android::base::ParseInt($7->GetText(), &serial)) {
AIDL_ERROR(loc(@7)) << "Could not parse int value: " << $7->GetText();
ps->AddError();
}
$$ = new AidlMethod(loc(@2), false, $1, $2->GetText(), $4, $1->GetComments(), serial);
delete $2;
delete $7;
}
| annotation_list ONEWAY type identifier '(' arg_list ')' '=' INTVALUE ';' {
const auto& comments = ($1->size() > 0) ? $1->begin()->GetComments() : $2->GetComments();
int32_t serial = 0;
if (!android::base::ParseInt($9->GetText(), &serial)) {
AIDL_ERROR(loc(@9)) << "Could not parse int value: " << $9->GetText();
ps->AddError();
}
$$ = new AidlMethod(loc(@4), true, $3, $4->GetText(), $6, comments, serial);
$3->Annotate(std::move(*$1));
delete $1;
delete $2;
delete $4;
delete $9;
};
arg_non_empty_list
: arg {
$$ = new std::vector<std::unique_ptr<AidlArgument>>();
$$->push_back(std::unique_ptr<AidlArgument>($1));
}
| arg_non_empty_list ',' arg {
$$ = $1;
$$->push_back(std::unique_ptr<AidlArgument>($3));
};
arg_list
: /*empty*/
{ $$ = new std::vector<std::unique_ptr<AidlArgument>>(); }
| arg_non_empty_list { $$ = $1; }
;
arg
: direction type identifier {
$$ = new AidlArgument(loc(@3), $1, $2, $3->GetText());
delete $3;
}
| type identifier {
$$ = new AidlArgument(loc(@2), $1, $2->GetText());
delete $2;
};
non_array_type
: annotation_list qualified_name {
$$ = new AidlTypeSpecifier(loc(@2), $2->GetText(), false, nullptr, $2->GetComments());
ps->DeferResolution($$);
if (!$1->empty()) {
$$->SetComments($1->begin()->GetComments());
$$->Annotate(std::move(*$1));
}
delete $1;
delete $2;
}
| non_array_type '<' type_args '>' {
ps->SetTypeParameters($1, $3);
$$ = $1;
}
| non_array_type '<' non_array_type '<' type_args RSHIFT {
ps->SetTypeParameters($3, $5);
auto params = new std::vector<std::unique_ptr<AidlTypeSpecifier>>();
params->emplace_back($3);
ps->SetTypeParameters($1, params);
$$ = $1;
}
| non_array_type '<' type_args ',' non_array_type '<' type_args RSHIFT {
ps->SetTypeParameters($5, $7);
$3->emplace_back($5);
ps->SetTypeParameters($1, $3);
$$ = $1;
};
type
: non_array_type
| type annotation_list '[' ']' {
if (!$2->empty()) {
AIDL_ERROR(loc(@2)) << "Annotations for arrays are not supported.";
ps->AddError();
}
if (!$1->SetArray()) {
AIDL_ERROR(loc(@1)) << "Can only have one dimensional arrays.";
ps->AddError();
}
$$ = $1;
delete $2;
}
;
type_args
: type {
if (!$1->GetAnnotations().empty()) {
AIDL_ERROR(loc(@1)) << "Annotations for type arguments are not supported.";
ps->AddError();
}
$$ = new std::vector<std::unique_ptr<AidlTypeSpecifier>>();
$$->emplace_back($1);
}
| type_args ',' type {
$1->emplace_back($3);
$$ = $1;
};
annotation_list
:
{ $$ = new std::vector<AidlAnnotation>(); }
| annotation_list annotation
{
if ($2 != nullptr) {
$1->emplace_back(std::move(*$2));
delete $2;
}
$$ = $1;
};
parameter
: identifier '=' const_expr {
$$ = new AidlAnnotationParameter{$1->GetText(), std::unique_ptr<AidlConstantValue>($3)};
delete $1;
};
parameter_list
: /*empty*/{
$$ = new std::map<std::string, std::shared_ptr<AidlConstantValue>>();
}
| parameter_non_empty_list {
$$ = $1;
};
parameter_non_empty_list
: parameter {
$$ = new std::map<std::string, std::shared_ptr<AidlConstantValue>>();
$$->emplace(std::move($1->name), $1->value.release());
delete $1;
}
| parameter_non_empty_list ',' parameter {
$$ = $1;
if ($$->find($3->name) != $$->end()) {
AIDL_ERROR(loc(@3)) << "Trying to redefine parameter " << $3->name << ".";
ps->AddError();
}
$$->emplace(std::move($3->name), std::move($3->value));
delete $3;
};
annotation
: ANNOTATION {
$$ = AidlAnnotation::Parse(loc(@1), $1->GetText(), nullptr, $1->GetComments());
if (!$$) {
ps->AddError();
}
delete $1;
}
| ANNOTATION '(' parameter_list ')' {
$$ = AidlAnnotation::Parse(loc(@1, @4), $1->GetText(), $3, $1->GetComments());
if (!$$) {
ps->AddError();
}
delete $1;
delete $3;
}
;
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) {
AIDL_ERROR(loc(l)) << errstr;
// parser will return error value
}