Files F4001094

modules.ATG
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Created
Thu, Jul 9, 5:52 AM

modules.ATG
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#include "modules.h"
COMPILER Modules
ModuleRecord module;
int nextToken()
{
scanner->ResetPeek();
return scanner->Peek()->kind;
}
bool checkParametersList()
{
return la->kind == _ident && nextToken() == _lparen;
}
CHARACTERS
letter = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".
digit = "0123456789".
any = ANY - '"'.
cr = '\r'.
lf = '\n'.
tab = '\t'.
TOKENS
string = '"' { any } '"'.
ident = (letter | '_') {letter | digit | '_'}.
lparen = '('.
COMMENTS FROM "/*" TO "*/" NESTED
COMMENTS FROM "//" TO lf
IGNORE cr + lf + tab
PRODUCTIONS
Block =
'{'
{ string
| Block
| ANY
}
'}'.
Modules =
{
ModulesInterface
| SkipXreateOperators
}.
ModulesInterface = "module" '{'
{ModulesStatement}
'}'.
ModulesStatement = (. std::wstring path; Expression query; .)
( "require" '(' MetaSimpExpr<query> ')' '.' (. module.addModuleQuery(query); .)
| "include" "controller" '(' string (. module.addControllerPath(Atom<String_t>(t->val).get()); .)
')' '.'
| "discover" '(' string (. module.addDiscoveryPath(Atom<String_t>(t->val).get()); .)
')' '.'
| MetaSimpExpr<query> '.' (. module.addProperty(query); .)
).
MetaSimpExpr<Expression& e>= (. Expression e2; .)
( '-' MetaSimpExpr<e2> (. e = Expression(Operator::NEG, {e2}); .)
| IF(checkParametersList()) ident (. e = Expression(Operator::CALL, {Expression(Atom<Identifier_t>(t->val))}); .)
'(' [ MetaCalleeParams<e> ] ')'
| ident (. e = Expression(Atom<Identifier_t>(t->val)); .)
).
MetaCalleeParams<Expression& e> = (. Expression e2; .)
MetaSimpExpr<e2> (. e.addArg(Expression(e2)); .)
{',' MetaSimpExpr<e2> (. e.addArg(Expression(e2)); .)
}.
SkipXreateOperators =
{ "rule" {ANY} Block
| "interface" {ANY} Block
| "import" {ANY} '.'
| "case" "context" {ANY} Block
| {ANY} '='
(
"function" {ANY} Block
| "type" {ANY} '.'
)
}.
END Modules.

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