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module examples::modfun::Checker

rascal-0.34.0
typepal-0.8.10

Usage​

import examples::modfun::Checker;

Source code​

http://github.com/usethesource/typepal/src/examples/modfun/Checker.rsc

Dependencies​

import examples::modfun::Syntax;
extend examples::fun::Checker;

data AType​

data AType  
     = moduleType(str name)
     ;

function prettyAType​

str prettyAType(moduleType(str name)) = "module(<name>)";

data IdRole​

data IdRole  
     = moduleId()
     ;

data PathRole​

data PathRole  
     = importPath()
     ;

function collect​

void collect(current: (ModuleDecl) `module <ModId mid> { <Decl* decls> }`, Collector c) {
     c.define("<mid>", moduleId(), mid, defType(moduleType("<mid>")));
     //c.enterScope(current);
        collect(decls, c);
     //c.leaveScope(current);
}

void collect(current: (ImportDecl) `import <ModId mid> ;`, Collector c){
     c.addPathToDef(mid, {moduleId()}, importPath());
}

void collect(current: (VarDecl) `def <Id id> : <Type tp> = <Expression expression> ;`, Collector c)     {
     c.define("<id>", variableId(), id, defType(tp));
     c.requireEqual(tp, expression, error(current, "Expected initializing expression of type %t, found %t", expression, tp));
     collect(tp, expression, c);
}