ByoungSooPark/modeling-app
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allow variable declaration to use callExpressions

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This commit is contained in:
Kurt Hutten IrevDev
2022-11-20 08:18:45 +11:00
parent c7be6e592c
commit 0d92dd4a3c
2 changed files with 37 additions and 1 deletions
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31
src/lang/executor.ts
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@ -24,6 +24,35 @@ export const executor = (ast: Program, rootOverride: {[key: string]: any} = {}):
const left = getVal(declaration.init.left);
const right = getVal(declaration.init.right);
programMemory.root[variableName] = left + right;
} else if (declaration.init.type === "FunctionExpression") {
const fnInit = declaration.init;
programMemory.root[declaration.id.name] = (...args: any[]) => {
const fnMemory: { [key: string]: any } = {
root: {
...programMemory.root,
},
};
if(args.length > fnInit.params.length) {
throw new Error(`Too many arguments passed to function ${declaration.id.name}`)
} else if (args.length < fnInit.params.length) {
throw new Error(`Too few arguments passed to function ${declaration.id.name}`)
}
fnInit.params.forEach((param, index) => {
fnMemory.root[param.name] = args[index];
});
return executor(fnInit.body, fnMemory.root);
}
} else if(declaration.init.type === "CallExpression") {
const fnName = declaration.init.callee.name;
const fnArgs = declaration.init.arguments.map((arg) => {
if(arg.type === "Literal") {
return arg.value;
} else if(arg.type === "Identifier") {
return programMemory.root[arg.name];
}
})
programMemory.root[variableName] = programMemory.root[fnName](...fnArgs);
}
});
} else if (statement.type === "ExpressionStatement") {
@ -39,6 +68,8 @@ export const executor = (ast: Program, rootOverride: {[key: string]: any} = {}):
});
programMemory.root[functionName](...args);
}
} else if(statement.type === "ReturnStatement") {
console.log("statement",statement)
}
});
return programMemory;