Function parse_stmt

MathBox/mathbox-core.js:33079–33125

()

  }

  function parse_stmt() {
    if(state[0].brace) {
      if(token.data !== '}') {
        return unexpected('expected `}`, got '+token.data)
      }
      state[0].brace = false
      return tokens.shift(), state.shift()
    }
    switch(token.type) {
      case 'eof': return state.shift()
      case 'keyword': 
        switch(token.data) {
          case 'for': return state.unshift(forstmt());
          case 'if': return state.unshift(ifstmt());
          case 'while': return state.unshift(whilestmt());
          case 'do': return state.unshift(dowhilestmt());
          case 'break': return state.fake(mknode(BREAK, token)), tokens.shift()
          case 'continue': return state.fake(mknode(CONTINUE, token)), tokens.shift()
          case 'discard': return state.fake(mknode(DISCARD, token)), tokens.shift()
          case 'return': return state.unshift(returnstmt());
          case 'precision': return state.unshift(precision());
        }
        return state.unshift(decl(DECL_STATEMENT))
      case 'ident':
        var lookup
        if(lookup = state.scope.find(token.data)) {
          if(lookup.parent.type === 'struct') {
            // this is strictly untrue, you could have an
            // expr that starts with a struct constructor.
            //      ... sigh
            return state.unshift(decl(DECL_STATEMENT))
          }
          return state.unshift(expr(';'))
        }
      case 'operator':
        if(token.data === '{') {
          state[0].brace = true
          var n = stmtlist()
          n.expecting = '}'
          return tokens.shift(), state.unshift(n)
        }
        if(token.data === ';') {
          return tokens.shift(), state.shift()
        }
      default: return state.unshift(expr(';'))
    }
  }

  function parse_decl() {
    var stmt = state[0]