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// @flow
import defineFunction from "../defineFunction";
import ParseError from "../ParseError";
// Switching from text mode back to math mode
defineFunction({
type: "styling",
names: ["\\(", "$"],
props: {
numArgs: 0,
allowedInText: true,
allowedInMath: false,
},
handler({funcName, parser}, args) {
const outerMode = parser.mode;
parser.switchMode("math");
const close = (funcName === "\\(" ? "\\)" : "$");
const body = parser.parseExpression(false, close);
parser.expect(close);
parser.switchMode(outerMode);
return {
type: "styling",
mode: parser.mode,
style: "text",
body,
};
},
});
// Check for extra closing math delimiters
defineFunction({
type: "text", // Doesn't matter what this is.
names: ["\\)", "\\]"],
props: {
numArgs: 0,
allowedInText: true,
allowedInMath: false,
},
handler(context, args) {
throw new ParseError(`Mismatched ${context.funcName}`);
},
});
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